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        !           111: <body bgcolor=#FFFFFF link=blue vlink=purple class="Normal" lang=EN-US><div class=Section1> 
        !           112: 
        !           113: <h2>Session Two: Statistics/Chart (Behrouz)</h2>
        !           114: 
        !           115: <p><span style='layout-grid-mode:line'>In LON-CAPA, we are involved with two kinds 
        !           116: 
        !           117:   of large data sets: </span></p>
        !           118: 
        !           119: <p> <span style='layout-grid-mode:line'>1)<span
        !           120: 
        !           121: style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp; </span></span> <span
        !           122: 
        !           123: style='layout-grid-mode:line'>Educational resources such as </span>web pages, 
        !           124: 
        !           125:   demonstrations, simulations, and individualized problems designed for use on 
        !           126: 
        !           127:   homework assignments, quizzes, and examinations<span style='layout-grid-mode:
        !           128: 
        !           129: line'>; </span></p>
        !           130: 
        !           131: <p> <span style='layout-grid-mode:line'>2)<span
        !           132: 
        !           133: style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp; </span></span> <span
        !           134: 
        !           135: style='layout-grid-mode:line'>Information about users who create, modify, assess, 
        !           136: 
        !           137:   or use these resources. </span></p>
        !           138: 
        !           139: <p><span style='layout-grid-mode:line'>Usually, instructors/ course coordinators 
        !           140: 
        !           141:   wish to assess the studentsÕ educational situation or evaluate the problems 
        !           142: 
        !           143:   have bee presented in the course, after the students used the educational materials. 
        !           144: 
        !           145:   There are two main modules in LON_CAPA that provide the statistical information 
        !           146: 
        !           147:   for instructors/ course-coordinators: <i>lonchart.pm </i></span><span style='layout-grid-mode:line'>and 
        !           148: 
        !           149:   <i>lonstatistics.pm</i></span><span
        !           150: 
        !           151: style='layout-grid-mode:line'>. When an instructorÕs access is authorized, he/she 
        !           152: 
        !           153:   can find useful reports about the course, regarding maps, problems included 
        !           154: 
        !           155:   in each map, and the students who tried to solve the problems. When an instructor 
        !           156: 
        !           157:   selects a course, he/she has two buttons in remote control to obtain the statistical 
        !           158: 
        !           159:   information: Ò<i>chart</i></span><span style='layout-grid-mode:
        !           160: 
        !           161: line'>Ó or Ò<i>stat</i></span><span style='layout-grid-mode:line'>Ó button.</span></p>
        !           162: 
        !           163: <h3 style='line-height:150%'><a name="_Toc421867139"><span style='layout-grid-mode:
        !           164: 
        !           165: line'>lonchart.pm</span></a></h3>
        !           166: 
        !           167: <p><span style='font-size:11.0pt;layout-grid-mode:line'>Ò<i>chart</i></span><span
        !           168: 
        !           169: style='font-size:11.0pt;layout-grid-mode:line'>Ó button in remote control calls 
        !           170: 
        !           171:   lonchart.pm, which provides a quick review of students tries on different problems 
        !           172: 
        !           173:   of a course for an instructor.&nbsp; The instructor may monitor the number of 
        !           174: 
        !           175:   tries of every student in each map and its problems.<span style='color:red'> 
        !           176: 
        !           177:   </span>The number of solved problems in a map is shown in the end of each map 
        !           178: 
        !           179:   with a different color (green). The overall solved problems and total number 
        !           180: 
        !           181:   of problems in the map can be seen at the end of line according to every individual 
        !           182: 
        !           183:   student in a different color (blue). A sample of chart is shown in <b>Fig. 3.2.1</b></span></p>
        !           184: 
        !           185: <p><span style='font-size:9.0pt;border:solid windowtext .5pt;
        !           186: 
        !           187: padding:0in'>xxxxxxx1:msu ! 001 ! 1*11*121 <span style='color:green'>8</span> 
        !           188: 
        !           189:   1231.31423212 <span style='color:green'>12 </span>&nbsp;2111211284.131 <span style='color:green'>13</span> 
        !           190: 
        !           191:   É&nbsp; 231113112221 <span style='color:green'>12</span>&nbsp; <span style='color:navy'>162 
        !           192: 
        !           193:   / 188<br>
        !           194: 
        !           195:   </span>xxxxxxx2:msu ! 003 ! 12113162 <span style='color:green'>8</span> 1+11&nbsp; 
        !           196: 
        !           197:   1&nbsp; 21x111<span style='color:green'>10</span> 11211322246132 <span
        !           198: 
        !           199: style='color:green'>14</span> É ############<span style='color:green'>&nbsp; &nbsp;&nbsp;0&nbsp; 
        !           200: 
        !           201:   </span><span
        !           202: 
        !           203: style='color:navy'>149 / 188</span><span style='color:green'> <br>
        !           204: 
        !           205:   <br>
        !           206: 
        !           207:   </span></span></p>
        !           208: 
        !           209: <div style='border:solid windowtext .5pt;padding:1.0pt 0in 1.0pt 1.0pt'> 
        !           210: 
        !           211:   <p style='border:none;padding:0in;'>1..9: correct by student in 1..9 tries </p>
        !           212: 
        !           213:   <p style='border:none;padding:0in;'>*: correct by student in more than 9 tries 
        !           214: 
        !           215:   </p>
        !           216: 
        !           217:   <p style='border:none;padding:0in;'>+: correct by override </p>
        !           218: 
        !           219:   <p style='border:none;padding:0in;'>-: incorrect by override </p>
        !           220: 
        !           221:   <p style='border:none;padding:0in;'>.: incorrect attempted </p>
        !           222: 
        !           223:   <p style='border:none;padding:0in;'>#: ungraded attempted </p>
        !           224: 
        !           225:   <p style='border:none;padding:0in;'>Ô Ô: not attempted </p>
        !           226: 
        !           227:   <p style='border:none;padding:0in;'>x: excused</p>
        !           228: 
        !           229: </div>
        !           230: 
        !           231: <p><span style='font-size:14.0pt'><b>Fig. 3.2.1</b></span><span
        !           232: 
        !           233: style='font-size:14.0pt'> Chart of map, problems, and studentsÕ tries, and a quick 
        !           234: 
        !           235:   statistics of solved problems</span></p>
        !           236: 
        !           237: <p><span style='layout-grid-mode:line'>1. When an instructor loads the chart in 
        !           238: 
        !           239:   his/her machine once, its data is cached in his/her local machine. If he/she 
        !           240: 
        !           241:   runs the chart again, the course chart is loaded very quickly from the cache.</span></p>
        !           242: 
        !           243: <p><span style='layout-grid-mode:line'>2. An instructor can sort the chart according 
        !           244: 
        !           245:   to user name, last name, as well as, the section which student belongs to.</span></p>
        !           246: 
        !           247: <div style='border:solid windowtext .5pt;padding:1.0pt 4.0pt 1.0pt 4.0pt'> 
        !           248: 
        !           249:   <p align=center style='text-align:center;
        !           250: 
        !           251: border:none;padding:0in;'><span style='font-size:8.0pt;font-family:Arial;
        !           252: 
        !           253: display:none'>Top of Form</span></p>
        !           254: 
        !           255: </div>
        !           256: 
        !           257: <div style='border:solid windowtext .5pt;padding:1.0pt 4.0pt 0in 4.0pt'> 
        !           258: 
        !           259:   <p align=center style='
        !           260: 
        !           261: text-align:center;
        !           262: 
        !           263: border:none;padding:
        !           264: 
        !           265: 0in;'><b>Sort by: &nbsp; </b><span
        !           266: 
        !           267: style='font-weight:normal'>&nbsp;&nbsp;&nbsp; <img width=53 height=23
        !           268: 
        !           269: src="Session%20Tw2_files/image003.png" v:shapes="_x0000_i1025"> &nbsp;&nbsp;&nbsp; 
        !           270: 
        !           271:     <img width=51 height=23
        !           272: 
        !           273: src="Session%20Tw2_files/image006.png" v:shapes="_x0000_i1026"> &nbsp;&nbsp;&nbsp; 
        !           274: 
        !           275:     <img width=40 height=23
        !           276: 
        !           277: src="Session%20Tw2_files/image009.png" v:shapes="_x0000_i1027"> <br>
        !           278: 
        !           279:     <br>
        !           280: 
        !           281:     </span></p>
        !           282: 
        !           283: </div>
        !           284: 
        !           285: <p>3. The instructor is able to select the ÒexpiredÓ students (who dropped the 
        !           286: 
        !           287:   course earlier) or ÒactiveÓ students or ÒanyÓ (all the) students.</p>
        !           288: 
        !           289: <div style='border:solid windowtext .5pt;padding:1.0pt 4.0pt 1.0pt 0in'> 
        !           290: 
        !           291:   <p align=center style='
        !           292: 
        !           293: text-align:center;
        !           294: 
        !           295: border:none;padding:0in;
        !           296: 
        !           297: '><br>
        !           298: 
        !           299:     <b>Student Status: &nbsp; </b><span style='font-weight:normal'> <img width=66 height=18
        !           300: 
        !           301: src="Session%20Tw2_files/image012.png" v:shapes="_x0000_i1028"> &nbsp;&nbsp;&nbsp; 
        !           302: 
        !           303:     <img width=77 height=23
        !           304: 
        !           305: src="Session%20Tw2_files/image015.png" v:shapes="_x0000_i1029"> </span></p>
        !           306: 
        !           307: </div>
        !           308: 
        !           309: <div style='border:none;border-top:solid windowtext .75pt;padding:1.0pt 0in 0in 0in'> 
        !           310: 
        !           311:   <p align=center style='text-align:center;border:none;
        !           312: 
        !           313: padding:0in;'><span
        !           314: 
        !           315: style='font-size:8.0pt;font-family:Arial;display:none'>Bottom of Form</span></p>
        !           316: 
        !           317: </div>
        !           318: 
        !           319: <h3 style='line-height:200%'><a name="_Toc421867140"><span style='layout-grid-mode:
        !           320: 
        !           321: line'>lonstatistics.pm</span></a></h3>
        !           322: 
        !           323: <p><span style='layout-grid-mode:line'>In ÒstatÓ button of Òremote controlÓ, a 
        !           324: 
        !           325:   menu with three options is provided for instructor: </span></p>
        !           326: 
        !           327: <p> <span style='layout-grid-mode:line'>1)<span
        !           328: 
        !           329: style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp; </span></span> <span
        !           330: 
        !           331: style='layout-grid-mode:line'>Problem stats</span></p>
        !           332: 
        !           333: <p> <span style='layout-grid-mode:line'>2)<span
        !           334: 
        !           335: style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp; </span></span> <span
        !           336: 
        !           337: style='layout-grid-mode:line'>Problem Analysis</span></p>
        !           338: 
        !           339: <p> <span style='font-size:11.0pt;
        !           340: 
        !           341: layout-grid-mode:line'>3)<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp; 
        !           342: 
        !           343:   </span></span> <span style='layout-grid-mode:line'>Student Assessment</span></p>
        !           344: 
        !           345: <h4 style='line-height:150%'><span style='font-size:6.0pt;font-family:Arial;
        !           346: 
        !           347: layout-grid-mode:line;font-weight:normal'> &nbsp; </span></h4>
        !           348: 
        !           349: <h4><span style='font-size:12.0pt;font-family:Arial;layout-grid-mode:line'> &nbsp; 
        !           350: 
        !           351:   </span></h4>
        !           352: 
        !           353: <h4><span style='font-size:12.0pt;font-family:Arial;layout-grid-mode:line;
        !           354: 
        !           355: font-weight:normal'>Problem Stats</span></h4>
        !           356: 
        !           357: <p><span style='layout-grid-mode:line'>Ò<i>Problem Stats</i></span><span
        !           358: 
        !           359: style='layout-grid-mode:line'>Ó button provides a table<a href="#_ftn1" name="_ftnref1" title=""><span class=MsoFootnoteReference> 
        !           360: 
        !           361:   [1] </span></a> which includes statistical information about every problem, 
        !           362: 
        !           363:   as you see in <b>Fig. 3.2.2</b></span><span style='layout-grid-mode:line'>. 
        !           364: 
        !           365:   The function ExtractStudentData in lonstatitics Perl Module fetches all the 
        !           366: 
        !           367:   data from a particular student<a name="_Hlt9981185"></a> .db file into a big 
        !           368: 
        !           369:   hash in local machine. It uses dump function, which communicates via lonc/lond 
        !           370: 
        !           371:   to get the student data from student repository (data server) and then all versions 
        !           372: 
        !           373:   of student submissions computed according to every problem. The results are 
        !           374: 
        !           375:   stored in an array in the memory.&nbsp; Before computing the studentsÕ tries 
        !           376: 
        !           377:   in a particular problem, the different parts of problem are distinguished by 
        !           378: 
        !           379:   considering the meta-data, which is provided for every problem. </span></p>
        !           380: 
        !           381: <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/mmp\/kap1\/calckap1\.sequence\0022 \\t \0022_blank\0022"'><span
        !           382: 
        !           383: class=MsoHyperlink><span style='color:blue'>Homework Set 1</span></span></span> 
        !           384: 
        !           385: </p>
        !           386: 
        !           387: <table border=1 cellspacing=0 cellpadding=0>
        !           388: 
        !           389:   <tr> 
        !           390: 
        !           391:     <td width=21 class="Normal"> <p align=center style='text-align:center'><b>P#</b></p></td>
        !           392: 
        !           393:     <td width=72 class="Normal"> <p align=center style='text-align:center'><b> 
        !           394: 
        !           395:         <img width=94 height=23
        !           396: 
        !           397:   src="Session%20Tw2_files/image018.png" v:shapes="_x0000_i1030"> </b></p></td>
        !           398: 
        !           399:     <td width=37 class="Normal"> <p align=center style='text-align:center'><b> 
        !           400: 
        !           401:         <img width=41 height=23
        !           402: 
        !           403:   src="Session%20Tw2_files/image021.png" v:shapes="_x0000_i1031"> </b></p></td>
        !           404: 
        !           405:     <td width=29 class="Normal"> <p align=center style='text-align:center'><b> 
        !           406: 
        !           407:         <img width=31 height=23
        !           408: 
        !           409:   src="Session%20Tw2_files/image024.png" v:shapes="_x0000_i1032"> </b></p></td>
        !           410: 
        !           411:     <td width=26 class="Normal"> <p align=center style='text-align:center'><b> 
        !           412: 
        !           413:         <img width=28 height=23
        !           414: 
        !           415:   src="Session%20Tw2_files/image027.png" v:shapes="_x0000_i1033"> </b></p></td>
        !           416: 
        !           417:     <td width=30 class="Normal"> <p align=center style='text-align:center'><b> 
        !           418: 
        !           419:         <img width=32 height=23
        !           420: 
        !           421:   src="Session%20Tw2_files/image030.png" v:shapes="_x0000_i1034"> </b></p></td>
        !           422: 
        !           423:     <td width=31 class="Normal"> <p align=center style='text-align:center'><b> 
        !           424: 
        !           425:         <img width=33 height=23
        !           426: 
        !           427:   src="Session%20Tw2_files/image033.png" v:shapes="_x0000_i1035"> </b></p></td>
        !           428: 
        !           429:     <td width=29 class="Normal"> <p align=center style='text-align:center'><b> 
        !           430: 
        !           431:         <img width=31 height=23
        !           432: 
        !           433:   src="Session%20Tw2_files/image036.png" v:shapes="_x0000_i1036"> </b></p></td>
        !           434: 
        !           435:     <td width=36 class="Normal"> <p align=center style='text-align:center'><b> 
        !           436: 
        !           437:         <img width=40 height=23
        !           438: 
        !           439:   src="Session%20Tw2_files/image039.png" v:shapes="_x0000_i1037"> </b></p></td>
        !           440: 
        !           441:     <td width=32 class="Normal"> <p align=center style='text-align:center'><b> 
        !           442: 
        !           443:         <img width=35 height=23
        !           444: 
        !           445:   src="Session%20Tw2_files/image042.png" v:shapes="_x0000_i1038"> </b></p></td>
        !           446: 
        !           447:     <td width=26 class="Normal"> <p align=center style='text-align:center'><b> 
        !           448: 
        !           449:         <img width=28 height=23
        !           450: 
        !           451:   src="Session%20Tw2_files/image045.png" v:shapes="_x0000_i1039"> </b></p></td>
        !           452: 
        !           453:     <td width=33 class="Normal"> <p align=center style='text-align:center'><b> 
        !           454: 
        !           455:         <img width=36 height=23
        !           456: 
        !           457:   src="Session%20Tw2_files/image048.png" v:shapes="_x0000_i1040"> </b></p></td>
        !           458: 
        !           459:     <td width=35 class="Normal"> <p align=center style='text-align:center'><b> 
        !           460: 
        !           461:         <img width=38 height=23
        !           462: 
        !           463:   src="Session%20Tw2_files/image051.png" v:shapes="_x0000_i1041"> </b></p></td>
        !           464: 
        !           465:     <td width=37 class="Normal"> <p align=center style='text-align:center'><b> 
        !           466: 
        !           467:         <img width=41 height=23
        !           468: 
        !           469:   src="Session%20Tw2_files/image054.png" v:shapes="_x0000_i1042"> </b></p></td>
        !           470: 
        !           471:   </tr>
        !           472: 
        !           473:   <tr> 
        !           474: 
        !           475:     <td width=21 class="Normal"> <p>1</p></td>
        !           476: 
        !           477:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/01_Math_1\/msu-prob11\.problem\0022 \\t \0022_blank\0022"'><span
        !           478: 
        !           479:   class=MsoHyperlink><span style='color:blue'>Calculator Skills</span></span></span></span></p></td>
        !           480: 
        !           481:     <td width=37 bgcolor="white" class="Normal"> <p>256</p></td>
        !           482: 
        !           483:     <td width=29 bgcolor="white" class="Normal"> <p>267</p></td>
        !           484: 
        !           485:     <td width=26 bgcolor="white" class="Normal"> <p>3</p></td>
        !           486: 
        !           487:     <td width=30 bgcolor="white" class="Normal"> <p>1.04</p></td>
        !           488: 
        !           489:     <td width=31 bgcolor="white" class="Normal"> <p>256</p></td>
        !           490: 
        !           491:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           492: 
        !           493:     <td width=36 bgcolor="white" class="Normal"> <p>0.0</p></td>
        !           494: 
        !           495:     <td width=32 bgcolor="white" class="Normal"> <p>0.04</p></td>
        !           496: 
        !           497:     <td width=26 bgcolor="white" class="Normal"> <p>0.2</p></td>
        !           498: 
        !           499:     <td width=33 bgcolor="white" class="Normal"> <p>5.7</p></td>
        !           500: 
        !           501:     <td width=35 bgcolor="white" class="Normal"> <p>0.03</p></td>
        !           502: 
        !           503:     <td width=37 bgcolor="white" class="Normal"> <p>0.00</p></td>
        !           504: 
        !           505:   </tr>
        !           506: 
        !           507:   <tr> 
        !           508: 
        !           509:     <td width=21 class="Normal"> <p>2</p></td>
        !           510: 
        !           511:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/01_Math_1\/msu-prob10\.problem\0022 \\t \0022_blank\0022"'><span
        !           512: 
        !           513:   class=MsoHyperlink><span style='color:blue'>Numbers</span></span></span></span></p></td>
        !           514: 
        !           515:     <td width=37 bgcolor="white" class="Normal"> <p>256</p></td>
        !           516: 
        !           517:     <td width=29 bgcolor="white" class="Normal"> <p>414</p></td>
        !           518: 
        !           519:     <td width=26 bgcolor="white" class="Normal"> <p>17</p></td>
        !           520: 
        !           521:     <td width=30 bgcolor="white" class="Normal"> <p>1.62</p></td>
        !           522: 
        !           523:     <td width=31 bgcolor="white" class="Normal"> <p>255</p></td>
        !           524: 
        !           525:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           526: 
        !           527:     <td width=36 bgcolor="white" class="Normal"> <p>0.4</p></td>
        !           528: 
        !           529:     <td width=32 bgcolor="white" class="Normal"> <p>0.38</p></td>
        !           530: 
        !           531:     <td width=26 bgcolor="white" class="Normal"> <p>1.6</p></td>
        !           532: 
        !           533:     <td width=33 bgcolor="white" class="Normal"> <p>5.7</p></td>
        !           534: 
        !           535:     <td width=35 bgcolor="white" class="Normal"> <p>0.11</p></td>
        !           536: 
        !           537:     <td width=37 bgcolor="white" class="Normal"> <p>0.02</p></td>
        !           538: 
        !           539:   </tr>
        !           540: 
        !           541:   <tr> 
        !           542: 
        !           543:     <td width=21 class="Normal"> <p>3</p></td>
        !           544: 
        !           545:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/03_Units_Scaling\/msu-prob22\.problem\0022 \\t \0022_blank\0022"'><span
        !           546: 
        !           547:   class=MsoHyperlink><span style='color:blue'>Speed</span></span></span></span></p></td>
        !           548: 
        !           549:     <td width=37 bgcolor="white" class="Normal"> <p>256</p></td>
        !           550: 
        !           551:     <td width=29 bgcolor="white" class="Normal"> <p>698</p></td>
        !           552: 
        !           553:     <td width=26 bgcolor="white" class="Normal"> <p>13</p></td>
        !           554: 
        !           555:     <td width=30 bgcolor="white" class="Normal"> <p>2.73</p></td>
        !           556: 
        !           557:     <td width=31 bgcolor="white" class="Normal"> <p>255</p></td>
        !           558: 
        !           559:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           560: 
        !           561:     <td width=36 bgcolor="white" class="Normal"> <p>0.4</p></td>
        !           562: 
        !           563:     <td width=32 bgcolor="white" class="Normal"> <p>0.63</p></td>
        !           564: 
        !           565:     <td width=26 bgcolor="white" class="Normal"> <p>2.2</p></td>
        !           566: 
        !           567:     <td width=33 bgcolor="white" class="Normal"> <p>1.9</p></td>
        !           568: 
        !           569:     <td width=35 bgcolor="white" class="Normal"> <p>0.06</p></td>
        !           570: 
        !           571:     <td width=37 bgcolor="white" class="Normal"> <p>0.02</p></td>
        !           572: 
        !           573:   </tr>
        !           574: 
        !           575:   <tr> 
        !           576: 
        !           577:     <td width=21 class="Normal"> <p>4</p></td>
        !           578: 
        !           579:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/01_Math_1\/msu-prob13\.problem\0022 \\t \0022_blank\0022"'><span
        !           580: 
        !           581:   class=MsoHyperlink><span style='color:blue'>Perimeter</span></span></span></span></p></td>
        !           582: 
        !           583:     <td width=37 bgcolor="white" class="Normal"> <p>256</p></td>
        !           584: 
        !           585:     <td width=29 bgcolor="white" class="Normal"> <p>388</p></td>
        !           586: 
        !           587:     <td width=26 bgcolor="white" class="Normal"> <p>7</p></td>
        !           588: 
        !           589:     <td width=30 bgcolor="white" class="Normal"> <p>1.52</p></td>
        !           590: 
        !           591:     <td width=31 bgcolor="white" class="Normal"> <p>255</p></td>
        !           592: 
        !           593:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           594: 
        !           595:     <td width=36 bgcolor="white" class="Normal"> <p>0.4</p></td>
        !           596: 
        !           597:     <td width=32 bgcolor="white" class="Normal"> <p>0.34</p></td>
        !           598: 
        !           599:     <td width=26 bgcolor="white" class="Normal"> <p>0.9</p></td>
        !           600: 
        !           601:     <td width=33 bgcolor="white" class="Normal"> <p>2.4</p></td>
        !           602: 
        !           603:     <td width=35 bgcolor="white" class="Normal"> <p>-0.00</p></td>
        !           604: 
        !           605:     <td width=37 bgcolor="white" class="Normal"> <p>0.02</p></td>
        !           606: 
        !           607:   </tr>
        !           608: 
        !           609:   <tr> 
        !           610: 
        !           611:     <td width=21 class="Normal"> <p>5</p></td>
        !           612: 
        !           613:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/devolibrary\/type-math\/fraction-rlt-235\.problem\0022 \\t \0022_blank\0022"'><span
        !           614: 
        !           615:   class=MsoHyperlink><span style='color:blue'>Reduce a Fraction</span></span></span></span></p></td>
        !           616: 
        !           617:     <td width=37 bgcolor="white" class="Normal"> <p>256</p></td>
        !           618: 
        !           619:     <td width=29 bgcolor="white" class="Normal"> <p>315</p></td>
        !           620: 
        !           621:     <td width=26 bgcolor="white" class="Normal"> <p>4</p></td>
        !           622: 
        !           623:     <td width=30 bgcolor="white" class="Normal"> <p>1.23</p></td>
        !           624: 
        !           625:     <td width=31 bgcolor="white" class="Normal"> <p>256</p></td>
        !           626: 
        !           627:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           628: 
        !           629:     <td width=36 bgcolor="white" class="Normal"> <p>0.0</p></td>
        !           630: 
        !           631:     <td width=32 bgcolor="white" class="Normal"> <p>0.19</p></td>
        !           632: 
        !           633:     <td width=26 bgcolor="white" class="Normal"> <p>0.5</p></td>
        !           634: 
        !           635:     <td width=33 bgcolor="white" class="Normal"> <p>2.3</p></td>
        !           636: 
        !           637:     <td width=35 bgcolor="white" class="Normal"> <p>0.01</p></td>
        !           638: 
        !           639:     <td width=37 bgcolor="white" class="Normal"> <p>0.00</p></td>
        !           640: 
        !           641:   </tr>
        !           642: 
        !           643:   <tr> 
        !           644: 
        !           645:     <td width=21 class="Normal"> <p>6</p></td>
        !           646: 
        !           647:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/devolibrary\/type-math\/fract-add-sub-div-p11\.problem\0022 \\t \0022_blank\0022"'><span
        !           648: 
        !           649:   class=MsoHyperlink><span style='color:blue'>Calculating with Fractions</span></span></span></span></p></td>
        !           650: 
        !           651:     <td width=37 bgcolor="white" class="Normal"> <p>256</p></td>
        !           652: 
        !           653:     <td width=29 bgcolor="white" class="Normal"> <p>393</p></td>
        !           654: 
        !           655:     <td width=26 bgcolor="white" class="Normal"> <p>7</p></td>
        !           656: 
        !           657:     <td width=30 bgcolor="white" class="Normal"> <p>1.54</p></td>
        !           658: 
        !           659:     <td width=31 bgcolor="white" class="Normal"> <p>255</p></td>
        !           660: 
        !           661:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           662: 
        !           663:     <td width=36 bgcolor="white" class="Normal"> <p>0.4</p></td>
        !           664: 
        !           665:     <td width=32 bgcolor="white" class="Normal"> <p>0.35</p></td>
        !           666: 
        !           667:     <td width=26 bgcolor="white" class="Normal"> <p>0.9</p></td>
        !           668: 
        !           669:     <td width=33 bgcolor="white" class="Normal"> <p>2.0</p></td>
        !           670: 
        !           671:     <td width=35 bgcolor="white" class="Normal"> <p>0.15</p></td>
        !           672: 
        !           673:     <td width=37 bgcolor="white" class="Normal"> <p>0.02</p></td>
        !           674: 
        !           675:   </tr>
        !           676: 
        !           677:   <tr> 
        !           678: 
        !           679:     <td width=21 class="Normal"> <p>7</p></td>
        !           680: 
        !           681:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/01_Math_1\/msu-prob04\.problem\0022 \\t \0022_blank\0022"'><span
        !           682: 
        !           683:   class=MsoHyperlink><span style='color:blue'>Area of a Balloon</span></span></span></span></p></td>
        !           684: 
        !           685:     <td width=37 bgcolor="white" class="Normal"> <p>254</p></td>
        !           686: 
        !           687:     <td width=29 bgcolor="white" class="Normal"> <p>601</p></td>
        !           688: 
        !           689:     <td width=26 bgcolor="white" class="Normal"> <p>12</p></td>
        !           690: 
        !           691:     <td width=30 bgcolor="white" class="Normal"> <p>2.37</p></td>
        !           692: 
        !           693:     <td width=31 bgcolor="white" class="Normal"> <p>247</p></td>
        !           694: 
        !           695:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           696: 
        !           697:     <td width=36 bgcolor="white" class="Normal"> <p>2.8</p></td>
        !           698: 
        !           699:     <td width=32 bgcolor="white" class="Normal"> <p>0.59</p></td>
        !           700: 
        !           701:     <td width=26 bgcolor="white" class="Normal"> <p>1.8</p></td>
        !           702: 
        !           703:     <td width=33 bgcolor="white" class="Normal"> <p>1.8</p></td>
        !           704: 
        !           705:     <td width=35 bgcolor="white" class="Normal"> <p>-0.05</p></td>
        !           706: 
        !           707:     <td width=37 bgcolor="white" class="Normal"> <p>-0.02</p></td>
        !           708: 
        !           709:   </tr>
        !           710: 
        !           711:   <tr> 
        !           712: 
        !           713:     <td width=21 class="Normal"> <p>8</p></td>
        !           714: 
        !           715:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/01_Math_1\/msu-prob07\.problem\0022 \\t \0022_blank\0022"'><span
        !           716: 
        !           717:   class=MsoHyperlink><span style='color:blue'>Volume of a Balloon</span></span></span></span></p></td>
        !           718: 
        !           719:     <td width=37 bgcolor="white" class="Normal"> <p>252</p></td>
        !           720: 
        !           721:     <td width=29 bgcolor="white" class="Normal"> <p>565</p></td>
        !           722: 
        !           723:     <td width=26 bgcolor="white" class="Normal"> <p>11</p></td>
        !           724: 
        !           725:     <td width=30 bgcolor="white" class="Normal"> <p>2.24</p></td>
        !           726: 
        !           727:     <td width=31 bgcolor="white" class="Normal"> <p>243</p></td>
        !           728: 
        !           729:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           730: 
        !           731:     <td width=36 bgcolor="white" class="Normal"> <p>3.6</p></td>
        !           732: 
        !           733:     <td width=32 bgcolor="white" class="Normal"> <p>0.57</p></td>
        !           734: 
        !           735:     <td width=26 bgcolor="white" class="Normal"> <p>1.9</p></td>
        !           736: 
        !           737:     <td width=33 bgcolor="white" class="Normal"> <p>2.0</p></td>
        !           738: 
        !           739:     <td width=35 bgcolor="white" class="Normal"> <p>-0.06</p></td>
        !           740: 
        !           741:     <td width=37 bgcolor="white" class="Normal"> <p>-0.03</p></td>
        !           742: 
        !           743:   </tr>
        !           744: 
        !           745:   <tr> 
        !           746: 
        !           747:     <td width=21 class="Normal"> <p>9</p></td>
        !           748: 
        !           749:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/01_Math_1\/msu-prob12\.problem\0022 \\t \0022_blank\0022"'><span
        !           750: 
        !           751:   class=MsoHyperlink><span style='color:blue'>Numerical Value of Fraction</span></span></span></span></p></td>
        !           752: 
        !           753:     <td width=37 bgcolor="white" class="Normal"> <p>256</p></td>
        !           754: 
        !           755:     <td width=29 bgcolor="white" class="Normal"> <p>268</p></td>
        !           756: 
        !           757:     <td width=26 bgcolor="white" class="Normal"> <p>4</p></td>
        !           758: 
        !           759:     <td width=30 bgcolor="white" class="Normal"> <p>1.05</p></td>
        !           760: 
        !           761:     <td width=31 bgcolor="white" class="Normal"> <p>256</p></td>
        !           762: 
        !           763:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           764: 
        !           765:     <td width=36 bgcolor="white" class="Normal"> <p>0.0</p></td>
        !           766: 
        !           767:     <td width=32 bgcolor="white" class="Normal"> <p>0.04</p></td>
        !           768: 
        !           769:     <td width=26 bgcolor="white" class="Normal"> <p>0.2</p></td>
        !           770: 
        !           771:     <td width=33 bgcolor="white" class="Normal"> <p>3.4</p></td>
        !           772: 
        !           773:     <td width=35 bgcolor="white" class="Normal"> <p>0.01</p></td>
        !           774: 
        !           775:     <td width=37 bgcolor="white" class="Normal"> <p>0.00</p></td>
        !           776: 
        !           777:   </tr>
        !           778: 
        !           779:   <tr> 
        !           780: 
        !           781:     <td width=21 class="Normal"> <p>10</p></td>
        !           782: 
        !           783:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/03_Units_Scaling\/msu-prob17\.problem\0022 \\t \0022_blank\0022"'><span
        !           784: 
        !           785:   class=MsoHyperlink><span style='color:blue'>Units</span></span></span></span></p></td>
        !           786: 
        !           787:     <td width=37 bgcolor="white" class="Normal"> <p>256</p></td>
        !           788: 
        !           789:     <td width=29 bgcolor="white" class="Normal"> <p>1116</p></td>
        !           790: 
        !           791:     <td width=26 bgcolor="white" class="Normal"> <p>20</p></td>
        !           792: 
        !           793:     <td width=30 bgcolor="white" class="Normal"> <p>4.36</p></td>
        !           794: 
        !           795:     <td width=31 bgcolor="white" class="Normal"> <p>246</p></td>
        !           796: 
        !           797:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           798: 
        !           799:     <td width=36 bgcolor="white" class="Normal"> <p>3.9</p></td>
        !           800: 
        !           801:     <td width=32 bgcolor="white" class="Normal"> <p>0.78</p></td>
        !           802: 
        !           803:     <td width=26 bgcolor="white" class="Normal"> <p>4.2</p></td>
        !           804: 
        !           805:     <td width=33 bgcolor="white" class="Normal"> <p>1.9</p></td>
        !           806: 
        !           807:     <td width=35 bgcolor="white" class="Normal"> <p>0.18</p></td>
        !           808: 
        !           809:     <td width=37 bgcolor="white" class="Normal"> <p>0.03</p></td>
        !           810: 
        !           811:   </tr>
        !           812: 
        !           813:   <tr> 
        !           814: 
        !           815:     <td width=21 class="Normal"> <p>11</p></td>
        !           816: 
        !           817:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/06_Vectors_Scalars\/msu-prob07\.problem\0022 \\t \0022_blank\0022"'><span
        !           818: 
        !           819:   class=MsoHyperlink><span style='color:blue'>Vector versus Scalar</span></span></span></span></p></td>
        !           820: 
        !           821:     <td width=37 bgcolor="white" class="Normal"> <p>254</p></td>
        !           822: 
        !           823:     <td width=29 bgcolor="white" class="Normal"> <p>749</p></td>
        !           824: 
        !           825:     <td width=26 bgcolor="white" class="Normal"> <p>11</p></td>
        !           826: 
        !           827:     <td width=30 bgcolor="white" class="Normal"> <p>2.95</p></td>
        !           828: 
        !           829:     <td width=31 bgcolor="white" class="Normal"> <p>251</p></td>
        !           830: 
        !           831:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           832: 
        !           833:     <td width=36 bgcolor="white" class="Normal"> <p>1.2</p></td>
        !           834: 
        !           835:     <td width=32 bgcolor="white" class="Normal"> <p>0.66</p></td>
        !           836: 
        !           837:     <td width=26 bgcolor="white" class="Normal"> <p>2.2</p></td>
        !           838: 
        !           839:     <td width=33 bgcolor="white" class="Normal"> <p>1.1</p></td>
        !           840: 
        !           841:     <td width=35 bgcolor="white" class="Normal"> <p>-0.05</p></td>
        !           842: 
        !           843:     <td width=37 bgcolor="white" class="Normal"> <p>-0.05</p></td>
        !           844: 
        !           845:   </tr>
        !           846: 
        !           847:   <tr> 
        !           848: 
        !           849:     <td width=21 class="Normal"> <p>12</p></td>
        !           850: 
        !           851:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/06_Vectors_Scalars\/msu-prob10\.problem\0022 \\t \0022_blank\0022"'><span
        !           852: 
        !           853:   class=MsoHyperlink><span style='color:blue'>Adding Vectors</span></span></span></span></p></td>
        !           854: 
        !           855:     <td width=37 bgcolor="white" class="Normal"> <p>253</p></td>
        !           856: 
        !           857:     <td width=29 bgcolor="white" class="Normal"> <p>1026</p></td>
        !           858: 
        !           859:     <td width=26 bgcolor="white" class="Normal"> <p>20</p></td>
        !           860: 
        !           861:     <td width=30 bgcolor="white" class="Normal"> <p>4.06</p></td>
        !           862: 
        !           863:     <td width=31 bgcolor="white" class="Normal"> <p>250</p></td>
        !           864: 
        !           865:     <td width=29 bgcolor="white" class="Normal"> <p>0</p></td>
        !           866: 
        !           867:     <td width=36 bgcolor="white" class="Normal"> <p>1.2</p></td>
        !           868: 
        !           869:     <td width=32 bgcolor="white" class="Normal"> <p>0.76</p></td>
        !           870: 
        !           871:     <td width=26 bgcolor="white" class="Normal"> <p>3.6</p></td>
        !           872: 
        !           873:     <td width=33 bgcolor="white" class="Normal"> <p>1.8</p></td>
        !           874: 
        !           875:     <td width=35 bgcolor="white" class="Normal"> <p>0.14</p></td>
        !           876: 
        !           877:     <td width=37 bgcolor="white" class="Normal"> <p>0.00</p></td>
        !           878: 
        !           879:   </tr>
        !           880: 
        !           881:   <tr> 
        !           882: 
        !           883:     <td width=21 class="Normal"> <p>13</p></td>
        !           884: 
        !           885:     <td width=72 class="Normal"> <p><span style='font-size:9.0pt'><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/02_Math_2_Trig\/msu-prob13\.problem\0022 \\t \0022_blank\0022"'><span
        !           886: 
        !           887:   class=MsoHyperlink><span style='color:blue'>Proximity</span></span></span></span></p></td>
        !           888: 
        !           889:     <td width=37 bgcolor="white" class="Normal"> <p>249</p></td>
        !           890: 
        !           891:     <td width=29 bgcolor="white" class="Normal"> <p>663</p></td>
        !           892: 
        !           893:     <td width=26 bgcolor="white" class="Normal"> <p>19</p></td>
        !           894: 
        !           895:     <td width=30 bgcolor="white" class="Normal"> <p>2.66</p></td>
        !           896: 
        !           897:     <td width=31 bgcolor="white" class="Normal"> <p>239</p></td>
        !           898: 
        !           899:     <td width=29 bgcolor="white" class="Normal"> <p>1</p></td>
        !           900: 
        !           901:     <td width=36 bgcolor="white" class="Normal"> <p>3.6</p></td>
        !           902: 
        !           903:     <td width=32 bgcolor="white" class="Normal"> <p>0.64</p></td>
        !           904: 
        !           905:     <td width=26 bgcolor="white" class="Normal"> <p>2.3</p></td>
        !           906: 
        !           907:     <td width=33 bgcolor="white" class="Normal"> <p>2.8</p></td>
        !           908: 
        !           909:     <td width=35 bgcolor="white" class="Normal"> <p>0.11</p></td>
        !           910: 
        !           911:     <td width=37 bgcolor="white" class="Normal"> <p>-0.10</p></td>
        !           912: 
        !           913:   </tr>
        !           914: 
        !           915: </table>
        !           916: 
        !           917: <p><span style='font-size:14.0pt'><b>Fig. 3.2.2</b></span><span
        !           918: 
        !           919: style='font-size:14.0pt'>: Statistics table includes general statistics of every 
        !           920: 
        !           921:   problem of the course</span></p>
        !           922: 
        !           923: <p><span style='font-size:11.0pt;layout-grid-mode:line'>Every part of <i>multi-part</i></span><span style='font-size:11.0pt;layout-grid-mode:
        !           924: 
        !           925: line'> problems is distinguished as a separate problem. The <i>multi-instance</i></span><span
        !           926: 
        !           927: style='font-size:11.0pt;layout-grid-mode:line'> problem is also considered separately, 
        !           928: 
        !           929:   because a particular problem or one part of it might be used in different maps. 
        !           930: 
        !           931:   Finally, the array, which includes all computed information from all students, 
        !           932: 
        !           933:   sorted according to the problem order, underlying in homework sets order. Therefore, 
        !           934: 
        !           935:   in this step we can compute the following statistical information:</span></p>
        !           936: 
        !           937: <p> <span style='font-size:11.0pt;
        !           938: 
        !           939: layout-grid-mode:line'>1.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !           940: 
        !           941:   </span></span> <span style='font-size:11.0pt;layout-grid-mode:line'><b>#Stdnts</b></span><span
        !           942: 
        !           943: style='font-size:11.0pt;layout-grid-mode:line'>: &nbsp;&nbsp;&nbsp;&nbsp; Total 
        !           944: 
        !           945:   number of students who take a look at the problem.(Let #Stdnts is equal to <i>n</i></span><span style='font-size:
        !           946: 
        !           947: 11.0pt;layout-grid-mode:line'>)</span></p>
        !           948: 
        !           949: <p> <span style='font-size:11.0pt;
        !           950: 
        !           951: layout-grid-mode:line'>2.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !           952: 
        !           953:   </span></span> <span style='font-size:11.0pt;layout-grid-mode:line'><b>Tries:</b></span><span
        !           954: 
        !           955: style='font-size:11.0pt;layout-grid-mode:line'> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !           956: 
        !           957:   Total number of tries to solve the problem (</span><span style='font-size:11.0pt'> 
        !           958: 
        !           959:   <img width=28 height=34
        !           960: 
        !           961: src="Session%20Tw2_files/image057.png" v:shapes="_x0000_i1043"> where <i><sub> 
        !           962: 
        !           963:   <img width=12 height=18
        !           964: 
        !           965: src="Session%20Tw2_files/image060.png" v:shapes="_x0000_i1044"> </sub></i></span><span style='font-size:11.0pt'>denote 
        !           966: 
        !           967:   a student try<span style='layout-grid-mode:line'>).</span></span></p>
        !           968: 
        !           969: <p> <span style='font-size:11.0pt;
        !           970: 
        !           971: layout-grid-mode:line'>3.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !           972: 
        !           973:   </span></span> <span style='font-size:11.0pt;layout-grid-mode:line'><b>Mod: 
        !           974: 
        !           975:   </b></span><span style='font-size:11.0pt;layout-grid-mode:line'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !           976: 
        !           977:   Mode, </span><span style='font-size:11.0pt'>Maximum Number of Tries for solving 
        !           978: 
        !           979:   the problem.</span></p>
        !           980: 
        !           981: <p> <span style='font-size:11.0pt;
        !           982: 
        !           983: layout-grid-mode:line'>4.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !           984: 
        !           985:   </span></span> <span style='font-size:11.0pt'><b>Mean:</b></span><span
        !           986: 
        !           987: style='font-size:11.0pt'> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Average Number 
        !           988: 
        !           989:   of the Tries. </span></p>
        !           990: 
        !           991: <p><span style='font-size:11.0pt'> <img width=11 height=13
        !           992: 
        !           993: src="Session%20Tw2_files/image063.png" v:shapes="_x0000_i1045"> = <img width=38 height=34
        !           994: 
        !           995: src="Session%20Tw2_files/image066.png" v:shapes="_x0000_i1046"> </span></p>
        !           996: 
        !           997: <p> 5.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; </span> 
        !           998: 
        !           999:   <span style='font-size:11.0pt;layout-grid-mode:line'><b>#YES:</b></span><span
        !          1000: 
        !          1001: style='font-size:11.0pt'> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Number of students 
        !          1002: 
        !          1003:   solved the problem correctly.</span></p>
        !          1004: 
        !          1005: <p> <span style='font-size:11.0pt'>6.<span
        !          1006: 
        !          1007: style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; </span></span> <span
        !          1008: 
        !          1009: style='font-size:11.0pt'><b>#yes:</b></span><span style='font-size:11.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !          1010: 
        !          1011:   Number of students solved the problem by override. </span></p>
        !          1012: 
        !          1013: <p><span style='font-size:11.0pt'>Sometimes, a student gets a correct answer after 
        !          1014: 
        !          1015:   talking with the instructor. This type of correct answer is called Òcorrected 
        !          1016: 
        !          1017:   by override.</span></p>
        !          1018: 
        !          1019: <p> <span style='font-size:11.0pt'>7.<span
        !          1020: 
        !          1021: style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; </span></span> <span
        !          1022: 
        !          1023: style='font-size:11.0pt'><b>%Wrng:</b></span><span style='font-size:11.0pt'> &nbsp;&nbsp; 
        !          1024: 
        !          1025:   Percentage of students tried to solve the problem but still incorrect. </span></p>
        !          1026: 
        !          1027: <p><span style='font-size:11.0pt'> <img width=137 height=31
        !          1028: 
        !          1029: src="Session%20Tw2_files/image069.png" v:shapes="_x0000_i1047"> </span></p>
        !          1030: 
        !          1031: <p> <span style='font-size:11.0pt'>8.<span
        !          1032: 
        !          1033: style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; </span></span> <span
        !          1034: 
        !          1035: style='font-size:11.0pt'><b>S.D.:</b></span><span style='font-size:11.0pt'> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !          1036: 
        !          1037:   <i>Standard Deviation</i></span><span style='font-size:11.0pt'> of the studentsÕ 
        !          1038: 
        !          1039:   tries. </span></p>
        !          1040: 
        !          1041: <p><span style='font-size:11.0pt'> <img width=98 height=40
        !          1042: 
        !          1043: src="Session%20Tw2_files/image072.png" v:shapes="_x0000_i1048"> </span></p>
        !          1044: 
        !          1045: <p> <span style='font-size:11.0pt'>9.<span
        !          1046: 
        !          1047: style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; </span></span> <span
        !          1048: 
        !          1049: style='font-size:11.0pt'><b>Skew.:</b></span><span style='font-size:11.0pt'> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !          1050: 
        !          1051:   <i>Skewness</i></span><span
        !          1052: 
        !          1053: style='font-size:11.0pt'> of the studentsÕ tries. </span></p>
        !          1054: 
        !          1055: <p><span style='font-size:11.0pt'> <img width=194 height=76
        !          1056: 
        !          1057: src="Session%20Tw2_files/image075.png" v:shapes="_x0000_i1049"> </span></p>
        !          1058: 
        !          1059: <p> <span style='font-size:11.0pt'>10.<span
        !          1060: 
        !          1061: style='font:7.0pt "Times New Roman"'>&nbsp; </span></span> <span
        !          1062: 
        !          1063: style='font-size:11.0pt'><b>DoDiff:</b></span><span style='font-size:11.0pt'> 
        !          1064: 
        !          1065:   &nbsp;&nbsp;&nbsp;&nbsp; <i>Degree of Difficulty</i></span><span
        !          1066: 
        !          1067: style='font-size:11.0pt'> of the problem. </span></p>
        !          1068: 
        !          1069: <p><span style='font-size:11.0pt'> <img width=100 height=38
        !          1070: 
        !          1071: src="Session%20Tw2_files/image078.png" v:shapes="_x0000_i1050"> </span></p>
        !          1072: 
        !          1073: <p><span style='font-size:11.0pt'>As you see Degree of Difficulty is always between 
        !          1074: 
        !          1075:   0 and 1. This is a good factor for an instructor to determine whether a problem 
        !          1076: 
        !          1077:   is difficult, and what is the degree of this difficulty. Thus, DoDiff of each 
        !          1078: 
        !          1079:   problem is saved in its meta data.</span></p>
        !          1080: 
        !          1081: <p> <span style='font-size:11.0pt'>11.<span
        !          1082: 
        !          1083: style='font:7.0pt "Times New Roman"'>&nbsp; </span></span> <span
        !          1084: 
        !          1085: style='font-size:11.0pt'><b>Dis.F.:</b></span><span style='font-size:11.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !          1086: 
        !          1087:   <i>Discrimination Factor</i></span><a href="#_ftn2" name="_ftnref2"
        !          1088: 
        !          1089: title=""><span class=MsoFootnoteReference><span style='font-size:11.0pt'> [2] 
        !          1090: 
        !          1091:   </span></span></a><span
        !          1092: 
        !          1093: style='font-size:11.0pt'> is an standard for evaluating how much a problem discriminates 
        !          1094: 
        !          1095:   between the upper and the lower students.&nbsp; First, all of the students are 
        !          1096: 
        !          1097:   sorted according to a criterion. Then, %27 of upper students and %27 lower students 
        !          1098: 
        !          1099:   are selected from the sorted students applying the mentioned criterion. Finally 
        !          1100: 
        !          1101:   we obtain the Discrimination Factor from the following difference:</span></p>
        !          1102: 
        !          1103: <p><span style='font-size:11.0pt'><i>Applied a criterion in %27 upper students 
        !          1104: 
        !          1105:   - Applied the same Criterion in %27 lower students.</i></span></p>
        !          1106: 
        !          1107: <p class=MsoBodyTextIndent2 align=left style='text-align:left;line-height:normal'>Discrimination 
        !          1108: 
        !          1109:   Factor is a number in interval [-1,1]. If this number is close to 1, it shows 
        !          1110: 
        !          1111:   that only upper students have solved this problem. If it is close to 0 it shows 
        !          1112: 
        !          1113:   that the upper students and the lowers are approximately the same in solving 
        !          1114: 
        !          1115:   the problem. If this number is negative, it shows that the lower students have 
        !          1116: 
        !          1117:   more successes in solving the problem, and thus this problem is very poor in 
        !          1118: 
        !          1119:   discriminating the upper and lower students.</p>
        !          1120: 
        !          1121: <p><span style='font-size:11.0pt'>In lonstatistics.pm we compute the Discrimination 
        !          1122: 
        !          1123:   Factor from two criteria:</span></p>
        !          1124: 
        !          1125: <p><span style='font-size:11.0pt'><i>1st Criterion </i></span><span style='font-size:11.0pt'>for 
        !          1126: 
        !          1127:   Sorting the Students: <img width=138 height=41
        !          1128: 
        !          1129: src="Session%20Tw2_files/image081.png" v:shapes="_x0000_i1051"> </span></p>
        !          1130: 
        !          1131: <p><span style='font-size:11.0pt'><i>2nd Criterion</i></span><span style='font-size:11.0pt'> 
        !          1132: 
        !          1133:   for Sorting the Students: <img width=87 height=41
        !          1134: 
        !          1135: src="Session%20Tw2_files/image084.png" v:shapes="_x0000_i1052"> </span></p>
        !          1136: 
        !          1137: <p> <span style='font-size:11.0pt;
        !          1138: 
        !          1139: font-family:Symbol;layout-grid-mode:line'>á<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !          1140: 
        !          1141:   </span></span> <span style='font-size:11.0pt;layout-grid-mode:line'><b>Change 
        !          1142: 
        !          1143:   the stats table sorting </b></span></p>
        !          1144: 
        !          1145: <p><span style='font-size:11.0pt;layout-grid-mode:line'>As you see in Fig. 3.2. 
        !          1146: 
        !          1147:   2, all headers in the stats table are buttons that change the order of the table. 
        !          1148: 
        !          1149:   Users can change increasingly or decreasingly every column of the table. First 
        !          1150: 
        !          1151:   the user select the Ò<i>ascending</i></span><span
        !          1152: 
        !          1153: style='font-size:11.0pt;layout-grid-mode:line'>Ó or Ò<i>descending</i></span><span
        !          1154: 
        !          1155: style='font-size:11.0pt;layout-grid-mode:line'>Ó option, then he/she can change 
        !          1156: 
        !          1157:   the order of the table with clicking the header of his/her interested header. 
        !          1158: 
        !          1159:   If the user changes the order the table, all information is shown in one table, 
        !          1160: 
        !          1161:   each row corresponds to a particular problem. If the user selects the first 
        !          1162: 
        !          1163:   column, Òhomework set orderÓ, the information is shown in different tables, 
        !          1164: 
        !          1165:   each table corresponds to a particular homework set.&nbsp;&nbsp; </span></p>
        !          1166: 
        !          1167: <p> <span style='font-size:11.0pt;
        !          1168: 
        !          1169: font-family:Symbol;layout-grid-mode:line'>á<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !          1170: 
        !          1171:   </span></span> <span style='font-size:11.0pt;layout-grid-mode:line'><b>Graphical 
        !          1172: 
        !          1173:   chart </b></span></p>
        !          1174: 
        !          1175: <p><span style='font-size:11.0pt;layout-grid-mode:line'>Two important features 
        !          1176: 
        !          1177:   in this page might be seen through the graphical charts. That is, a user could 
        !          1178: 
        !          1179:   see the content of Ò%wrongÓ column and Òdegree of difficulty of problemsÓ in 
        !          1180: 
        !          1181:   the graphical chart as is shown in Fig. 3.2. 3 and 4 for homework set 1 in course 
        !          1182: 
        !          1183:   PHY183 SS02. These graphical charts are produced dynamically by calling a CGI 
        !          1184: 
        !          1185:   scripts, (graph.gif) which is located in /home/httpd/cgi-bin/</span></p>
        !          1186: 
        !          1187: <p> <img width=231 height=173
        !          1188: 
        !          1189: src="Session%20Tw2_files/image086.jpg" v:shapes="_x0000_i1053"> <span
        !          1190: 
        !          1191: style='layout-grid-mode:line'> <img width=230 height=170
        !          1192: 
        !          1193: src="Session%20Tw2_files/image088.jpg" v:shapes="_x0000_i1054"> </span></p>
        !          1194: 
        !          1195: <p><b>Fig. 3.2. 3</b><span
        !          1196: 
        !          1197: style='font-weight:normal'>: Degree of difficulty graph &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !          1198: 
        !          1199:   </span><b>Fig. 3.2. 4</b><span style='font-weight:normal'>: %Wrong graph</span></p>
        !          1200: 
        !          1201: <h4 style='line-height:150%'><span style='font-size:12.0pt;font-family:Arial;
        !          1202: 
        !          1203: layout-grid-mode:line'> &nbsp; </span></h4>
        !          1204: 
        !          1205: <h3><a name="_Toc421867141"><span style='layout-grid-mode:line'>Problem Analysis</span></a></h3>
        !          1206: 
        !          1207: <p><span style='font-size:11.0pt'>Conceptual option response problems, in which 
        !          1208: 
        !          1209:   the students are given several concepts that are randomly assigned to each student, 
        !          1210: 
        !          1211:   are more difficult than numerical simple problems.&nbsp; Instructors usually 
        !          1212: 
        !          1213:   want to see the studentsÕ tries according to every particular concept separately. 
        !          1214: 
        !          1215:   ÒProblem AnalysisÓ button provides all response option problems in one table 
        !          1216: 
        !          1217:   as follows in the <b>Fig. 3.2.5.</b></span><span style='font-size:11.0pt'> </span></p>
        !          1218: 
        !          1219: <div style='border:solid windowtext .5pt;padding:1.0pt 0in 1.0pt 4.0pt'> 
        !          1220: 
        !          1221:   <p style='border:none;padding:0in;'><span style='font-size:11.0pt'>Total number 
        !          1222: 
        !          1223:     of students: 263</span></p>
        !          1224: 
        !          1225:   <p style='border:none;padding:0in;'><b>Select number of intervals</b><span style='font-weight:normal'> 
        !          1226: 
        !          1227:     <img width=53 height=18
        !          1228: 
        !          1229: src="Session%20Tw2_files/image091.png" v:shapes="_x0000_i1055"> </span></p>
        !          1230: 
        !          1231:   <p style='border:none;padding:0in;'><b>Option Response Problems</b><span
        !          1232: 
        !          1233: style='font-weight:normal'> </span><b>in course PHY183 SS02:</b></p>
        !          1234: 
        !          1235: </div>
        !          1236: 
        !          1237: <table border=1 cellspacing=0 cellpadding=0>
        !          1238: 
        !          1239:   <tr> 
        !          1240: 
        !          1241:     <td width=15 class="Normal"> <p align=center style='text-align:center'><b># 
        !          1242: 
        !          1243:         </b></p></td>
        !          1244: 
        !          1245:     <td width=83 class="Normal"> <p align=center style='text-align:center'><b>Problem 
        !          1246: 
        !          1247:         Title </b></p></td>
        !          1248: 
        !          1249:     <td width=298 class="Normal"> <p align=center style='text-align:center'><b>Resource 
        !          1250: 
        !          1251:         </b></p></td>
        !          1252: 
        !          1253:     <td width=77 class="Normal"> <p align=center style='text-align:center'><b>Address 
        !          1254: 
        !          1255:         </b></p></td>
        !          1256: 
        !          1257:   </tr>
        !          1258: 
        !          1259:   <tr> 
        !          1260: 
        !          1261:     <td width=15 class="Normal"> <p>1 </p></td>
        !          1262: 
        !          1263:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/01_Math_1\/msu-prob10\.problem\0022 \\t \0022_blank\0022"'><span
        !          1264: 
        !          1265:   class=MsoHyperlink><span style='color:blue'>Numbers</span></span></span> </p></td>
        !          1266: 
        !          1267:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/01_Math_1/msu-prob10.problem 
        !          1268: 
        !          1269:       </p></td>
        !          1270: 
        !          1271:     <td width=77 class="Normal"> <p> <img width=72 height=23
        !          1272: 
        !          1273:   src="Session%20Tw2_files/image094.png" v:shapes="_x0000_i1056"> </p></td>
        !          1274: 
        !          1275:   </tr>
        !          1276: 
        !          1277:   <tr> 
        !          1278: 
        !          1279:     <td width=15 class="Normal"> <p>2 </p></td>
        !          1280: 
        !          1281:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/03_Units_Scaling\/msu-prob22\.problem\0022 \\t \0022_blank\0022"'><span
        !          1282: 
        !          1283:   class=MsoHyperlink><span style='color:blue'>Speed</span></span></span> </p></td>
        !          1284: 
        !          1285:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/03_Units_Scaling/msu-prob22.problem 
        !          1286: 
        !          1287:       </p></td>
        !          1288: 
        !          1289:     <td width=77 class="Normal"> <p> <img width=72 height=23
        !          1290: 
        !          1291:   src="Session%20Tw2_files/image097.png" v:shapes="_x0000_i1057"> </p></td>
        !          1292: 
        !          1293:   </tr>
        !          1294: 
        !          1295:   <tr> 
        !          1296: 
        !          1297:     <td width=15 class="Normal"> <p>3 </p></td>
        !          1298: 
        !          1299:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/03_Units_Scaling\/msu-prob17\.problem\0022 \\t \0022_blank\0022"'><span
        !          1300: 
        !          1301:   class=MsoHyperlink><span style='color:blue'>Units</span></span></span> </p></td>
        !          1302: 
        !          1303:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/03_Units_Scaling/msu-prob17.problem 
        !          1304: 
        !          1305:       </p></td>
        !          1306: 
        !          1307:     <td width=77 class="Normal"> <p> <img width=72 height=23
        !          1308: 
        !          1309:   src="Session%20Tw2_files/image100.png" v:shapes="_x0000_i1058"> </p></td>
        !          1310: 
        !          1311:   </tr>
        !          1312: 
        !          1313:   <tr> 
        !          1314: 
        !          1315:     <td width=15 class="Normal"> <p>4 </p></td>
        !          1316: 
        !          1317:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/06_Vectors_Scalars\/msu-prob07\.problem\0022 \\t \0022_blank\0022"'><span
        !          1318: 
        !          1319:   class=MsoHyperlink><span style='color:blue'>Vector versus Scalar</span></span></span> 
        !          1320: 
        !          1321:       </p></td>
        !          1322: 
        !          1323:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/06_Vectors_Scalars/msu-prob07.problem 
        !          1324: 
        !          1325:       </p></td>
        !          1326: 
        !          1327:     <td width=77 class="Normal"> <p> <img width=72 height=23
        !          1328: 
        !          1329:   src="Session%20Tw2_files/image103.png" v:shapes="_x0000_i1059"> </p></td>
        !          1330: 
        !          1331:   </tr>
        !          1332: 
        !          1333:   <tr> 
        !          1334: 
        !          1335:     <td width=15 class="Normal"> <p>5 </p></td>
        !          1336: 
        !          1337:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/06_Vectors_Scalars\/msu-prob10\.problem\0022 \\t \0022_blank\0022"'><span
        !          1338: 
        !          1339:   class=MsoHyperlink><span style='color:blue'>Adding Vectors</span></span></span> 
        !          1340: 
        !          1341:       </p></td>
        !          1342: 
        !          1343:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/06_Vectors_Scalars/msu-prob10.problem 
        !          1344: 
        !          1345:       </p></td>
        !          1346: 
        !          1347:     <td width=77 class="Normal"> <p> <img width=72 height=23
        !          1348: 
        !          1349:   src="Session%20Tw2_files/image106.png" v:shapes="_x0000_i1060"> </p></td>
        !          1350: 
        !          1351:   </tr>
        !          1352: 
        !          1353:   <tr> 
        !          1354: 
        !          1355:     <td width=15 class="Normal"> <p>6 </p></td>
        !          1356: 
        !          1357:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/05_1D_Motion\/msu-prob16\.problem\0022 \\t \0022_blank\0022"'><span
        !          1358: 
        !          1359:   class=MsoHyperlink><span style='color:blue'>Traveling Car</span></span></span> 
        !          1360: 
        !          1361:       </p></td>
        !          1362: 
        !          1363:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/05_1D_Motion/msu-prob16.problem 
        !          1364: 
        !          1365:       </p></td>
        !          1366: 
        !          1367:     <td width=77 class="Normal"> <p> <img width=59 height=23
        !          1368: 
        !          1369:   src="Session%20Tw2_files/image109.png" v:shapes="_x0000_i1061"> </p></td>
        !          1370: 
        !          1371:   </tr>
        !          1372: 
        !          1373:   <tr> 
        !          1374: 
        !          1375:     <td width=15 class="Normal"> <p>7 </p></td>
        !          1376: 
        !          1377:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/kashy\/Testing\/randomlabel\/atwood3T2M\.problem\0022 \\t \0022_blank\0022"'><span
        !          1378: 
        !          1379:   class=MsoHyperlink><span style='color:blue'>Atwood Machine</span></span></span> 
        !          1380: 
        !          1381:       </p></td>
        !          1382: 
        !          1383:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/kashy/Testing/randomlabel/atwood3T2M.problem 
        !          1384: 
        !          1385:       </p></td>
        !          1386: 
        !          1387:     <td width=77 class="Normal"> <p> <img width=63 height=23
        !          1388: 
        !          1389:   src="Session%20Tw2_files/image112.png" v:shapes="_x0000_i1062"> </p></td>
        !          1390: 
        !          1391:   </tr>
        !          1392: 
        !          1393:   <tr> 
        !          1394: 
        !          1395:     <td width=15 class="Normal"> <p>8 </p></td>
        !          1396: 
        !          1397:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/10_Motion_W_Friction\/msu-prob32\.problem\0022 \\t \0022_blank\0022"'><span
        !          1398: 
        !          1399:   class=MsoHyperlink><span style='color:blue'>Sliding mass concepts</span></span></span> 
        !          1400: 
        !          1401:       </p></td>
        !          1402: 
        !          1403:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/10_Motion_W_Friction/msu-prob32.problem 
        !          1404: 
        !          1405:       </p></td>
        !          1406: 
        !          1407:     <td width=77 class="Normal"> <p> <img width=59 height=23
        !          1408: 
        !          1409:   src="Session%20Tw2_files/image115.png" v:shapes="_x0000_i1063"> </p></td>
        !          1410: 
        !          1411:   </tr>
        !          1412: 
        !          1413:   <tr> 
        !          1414: 
        !          1415:     <td width=15 class="Normal"> <p>9 </p></td>
        !          1416: 
        !          1417:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/12_Work_Power_Energy\/msu-prob27\.problem\0022 \\t \0022_blank\0022"'><span
        !          1418: 
        !          1419:   class=MsoHyperlink><span style='color:blue'>Work, Power, Energy Concepts</span></span></span> 
        !          1420: 
        !          1421:       </p></td>
        !          1422: 
        !          1423:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/12_Work_Power_Energy/msu-prob27.problem 
        !          1424: 
        !          1425:       </p></td>
        !          1426: 
        !          1427:     <td width=77 class="Normal"> <p> <img width=68 height=23
        !          1428: 
        !          1429:   src="Session%20Tw2_files/image118.png" v:shapes="_x0000_i1064"> </p></td>
        !          1430: 
        !          1431:   </tr>
        !          1432: 
        !          1433:   <tr> 
        !          1434: 
        !          1435:     <td width=15 class="Normal"> <p>10 </p></td>
        !          1436: 
        !          1437:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/13_EnergyConservation\/msu-prob32\.problem\0022 \\t \0022_blank\0022"'><span
        !          1438: 
        !          1439:   class=MsoHyperlink><span style='color:blue'>Bead on a Wire</span></span></span> 
        !          1440: 
        !          1441:       </p></td>
        !          1442: 
        !          1443:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/13_EnergyConservation/msu-prob32.problem 
        !          1444: 
        !          1445:       </p></td>
        !          1446: 
        !          1447:     <td width=77 class="Normal"> <p> <img width=63 height=23
        !          1448: 
        !          1449:   src="Session%20Tw2_files/image121.png" v:shapes="_x0000_i1065"> </p></td>
        !          1450: 
        !          1451:   </tr>
        !          1452: 
        !          1453:   <tr> 
        !          1454: 
        !          1455:     <td width=15 class="Normal"> <p>11 </p></td>
        !          1456: 
        !          1457:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/20_Rot2_E_Trq_Accel\/msu-prob23\.problem\0022 \\t \0022_blank\0022"'><span
        !          1458: 
        !          1459:   class=MsoHyperlink><span style='color:blue'>Atwood Machine</span></span></span> 
        !          1460: 
        !          1461:       </p></td>
        !          1462: 
        !          1463:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/20_Rot2_E_Trq_Accel/msu-prob23.problem 
        !          1464: 
        !          1465:       </p></td>
        !          1466: 
        !          1467:     <td width=77 class="Normal"> <p> <img width=63 height=23
        !          1468: 
        !          1469:   src="Session%20Tw2_files/image124.png" v:shapes="_x0000_i1066"> </p></td>
        !          1470: 
        !          1471:   </tr>
        !          1472: 
        !          1473:   <tr> 
        !          1474: 
        !          1475:     <td width=15 class="Normal"> <p>12 </p></td>
        !          1476: 
        !          1477:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/21_Rot3_AngMom_Roll\/msu-prob38\.problem\0022 \\t \0022_blank\0022"'><span
        !          1478: 
        !          1479:   class=MsoHyperlink><span style='color:blue'>Flinstone Bowling</span></span></span> 
        !          1480: 
        !          1481:       </p></td>
        !          1482: 
        !          1483:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/21_Rot3_AngMom_Roll/msu-prob38.problem 
        !          1484: 
        !          1485:       </p></td>
        !          1486: 
        !          1487:     <td width=77 class="Normal"> <p> <img width=63 height=23
        !          1488: 
        !          1489:   src="Session%20Tw2_files/image127.png" v:shapes="_x0000_i1067"> </p></td>
        !          1490: 
        !          1491:   </tr>
        !          1492: 
        !          1493:   <tr> 
        !          1494: 
        !          1495:     <td width=15 class="Normal"> <p>13 </p></td>
        !          1496: 
        !          1497:     <td width=83 bgcolor="white" class="Normal"> <p><span style='"HYPERLINK \0022http\:\/\/deepthought\.lite\.msu\.edu\/res\/msu\/physicslib\/msuphysicslib\/32_Fluids1_Pascal_Arch\/msu-prob12\.problem\0022 \\t \0022_blank\0022"'><span
        !          1498: 
        !          1499:   class=MsoHyperlink><span style='color:blue'>Boat on Pond</span></span></span> 
        !          1500: 
        !          1501:       </p></td>
        !          1502: 
        !          1503:     <td width=298 bgcolor="white" class="Normal"> <p>/res/msu/physicslib/msuphysicslib/32_Fluids1_Pascal_Arch/msu-prob12.problem 
        !          1504: 
        !          1505:       </p></td>
        !          1506: 
        !          1507:     <td width=77 class="Normal"> <p> <img width=68 height=23
        !          1508: 
        !          1509:   src="Session%20Tw2_files/image130.png" v:shapes="_x0000_i1068"> </p></td>
        !          1510: 
        !          1511:   </tr>
        !          1512: 
        !          1513:   <tr> 
        !          1514: 
        !          1515:     <td width=15 class="Normal">&nbsp; </td>
        !          1516: 
        !          1517:     <td width=83 bgcolor="white" class="Normal"> <p align=center style='text-align:center'>É</p></td>
        !          1518: 
        !          1519:     <td width=298 bgcolor="white" class="Normal"> <p align=center style='text-align:center'>É</p></td>
        !          1520: 
        !          1521:     <td width=77 class="Normal"> <p align=center style='text-align:center'>É</p></td>
        !          1522: 
        !          1523:   </tr>
        !          1524: 
        !          1525: </table>
        !          1526: 
        !          1527: <p><span style='font-size:11.0pt'><b>Fig. 3.2.5</b></span><span
        !          1528: 
        !          1529: style='font-size:11.0pt'>: Option response problems in course PHY183 SS02</span></p>
        !          1530: 
        !          1531: <p><b>Fig. 3.2.5</b><span style='font-weight:normal'> includes a table, which 
        !          1532: 
        !          1533:   shows the title of every option response problem in the first column. This title 
        !          1534: 
        !          1535:   has a link to the original html page of the problem.&nbsp; In the second column 
        !          1536: 
        !          1537:   the source address of the problem is shown. Third column of this table includes 
        !          1538: 
        !          1539:   a button to analyze the studentsÕ data on this particular option response problem. 
        !          1540: 
        !          1541:   When this button is clicked, all data about this problem is <i>restored</i></span>, 
        !          1542: 
        !          1543:   for every student.&nbsp; Different versions of studentsÕ submissions are evaluated. 
        !          1544: 
        !          1545:   The results are presented in a graphical chart as well as a numerical table. 
        !          1546: 
        !          1547:   For example, if we select the analysis of&nbsp; <b>/res/msu/kashy/Testing/randomlabel/atwood3T2M.problem</b></p>
        !          1548: 
        !          1549: <p> <span style='position:
        !          1550: 
        !          1551: relative;z-index:0'><span style='position:absolute;left:-37px;top:-32px;
        !          1552: 
        !          1553: width:248px;height:174px'> <table cellpadding=0 cellspacing=0> <tr> <td width=249 height=174 align=left valign=top bgcolor=white class="Normal"
        !          1554: 
        !          1555:   style='border:.75pt solid black;vertical-align:top;background:white'><span
        !          1556: 
        !          1557:   style='position:absolute;z-index:1'> 
        !          1558: 
        !          1559:   <table cellpadding=0 cellspacing=0 width="100%">
        !          1560: 
        !          1561:     <tr> 
        !          1562: 
        !          1563:       <td class="Normal"> <div v:shape="_x0000_s1026" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
        !          1564: 
        !          1565:     class=shape> 
        !          1566: 
        !          1567:           <p class=FirstParagraph><span lang=PT-BR
        !          1568: 
        !          1569:     style='font-size:9.0pt'>A frictionless, massless pulley is attached to the 
        !          1570: 
        !          1571:             ceiling, in a gravity field g. Mass Ma is greater than mass Mb. The 
        !          1572: 
        !          1573:             tensions Tx,Ty, Tz, and the constant g are magnitudes. (For each, 
        !          1574: 
        !          1575:             select: Greater than, Less than, Equal to, True, or False) </span></p>
        !          1576: 
        !          1577:           <p class=FirstParagraph><span lang=PT-BR style='font-size:9.0pt'> <img width=96 height=114
        !          1578: 
        !          1579:     src="Session%20Tw2_files/image132.jpg" v:shapes="_x0000_i1069"> &nbsp; <img width=125 height=120
        !          1580: 
        !          1581:     src="Session%20Tw2_files/image135.png" v:shapes="_x0000_i1070"> </span></p>
        !          1582: 
        !          1583:         </div></td>
        !          1584: 
        !          1585:     </tr>
        !          1586: 
        !          1587:   </table>
        !          1588: 
        !          1589:   &nbsp; </span></td></tr> </table> &nbsp; 
        !          1590: 
        !          1591:   <p></p>
        !          1592: 
        !          1593:   <br clear=all>
        !          1594: 
        !          1595:   <p align=right style='text-align:right'> <span style='position:
        !          1596: 
        !          1597: absolute;z-index:1;left:0px;margin-left:229px;margin-top:97px;width:235px;
        !          1598: 
        !          1599: height:40px'> <table cellpadding=0 cellspacing=0> <tr> <td width=236 height=40 align=left valign=top bgcolor=white class="Normal" style='border:
        !          1600: 
        !          1601:   .75pt solid white;vertical-align:top;background:white'><span
        !          1602: 
        !          1603:   style='position:absolute;left:0pt;z-index:3'> 
        !          1604: 
        !          1605:     <table cellpadding=0 cellspacing=0 width="100%">
        !          1606: 
        !          1607:       <tr> 
        !          1608: 
        !          1609:         <td class="Normal"> <div v:shape="_x0000_s1028" style='padding:3.6pt 7.2pt 3.6pt 7.2pt'
        !          1610: 
        !          1611:     class=shape> 
        !          1612: 
        !          1613:             <p><span style='font-size:9.0pt'><b>Fig. 3.2.7</b></span><span
        !          1614: 
        !          1615:     style='font-size:9.0pt'>: Graphical chart of student tries for </span></p>
        !          1616: 
        !          1617:             <p><span style='font-size:9.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !          1618: 
        !          1619:               &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Atwood Machine Problem 
        !          1620: 
        !          1621:               according </span></p>
        !          1622: 
        !          1623:             <p><span style='font-size:9.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
        !          1624: 
        !          1625:               to every concept in 1 interval time.</span></p>
        !          1626: 
        !          1627:           </div></td>
        !          1628: 
        !          1629:       </tr>
        !          1630: 
        !          1631:     </table>
        !          1632: 
        !          1633:     &nbsp; </span></td></tr> </table> <img width=203 height=150
        !          1634: 
        !          1635: src="Session%20Tw2_files/image137.png" v:shapes="_x0000_i1071"> 
        !          1636: 
        !          1637:     <p></p>
        !          1638: 
        !          1639:     <p><span style='font-size:9.0pt'><b>Fig. 3.2.6</b></span><span
        !          1640: 
        !          1641: style='font-size:9.0pt'>: Atwood Machine option response problem in HW3<b> </b></span></p>
        !          1642: 
        !          1643:     <p><span style='font-size:11.0pt'>In addition, the data of studentsÕ tries 
        !          1644: 
        !          1645:       are shown in a table as you see in <b>Fig. 3.2.8</b></span><span
        !          1646: 
        !          1647: style='font-size:11.0pt'>. In the last row of the table you can see the time interval 
        !          1648: 
        !          1649:       of this data and the overall correct and wrong answers separately. If an 
        !          1650: 
        !          1651:       instructor wants to see the studentsÕ tries in different time intervals, 
        !          1652: 
        !          1653:       he/she could set the number of intervals from 1 to 7 time intervals, and 
        !          1654: 
        !          1655:       then recompute the analysis. </span></p>
        !          1656: 
        !          1657:     <table border=1 cellspacing=0 cellpadding=0>
        !          1658: 
        !          1659:       <tr> 
        !          1660: 
        !          1661:         <td width=10 class="Normal"> <p align=center style='text-align:center'><b># 
        !          1662: 
        !          1663:             </b></p></td>
        !          1664: 
        !          1665:         <td width=357 class="Normal"> <p align=center style='text-align:center'><b>Concept 
        !          1666: 
        !          1667:             </b></p></td>
        !          1668: 
        !          1669:         <td width=38 class="Normal"> <p align=center style='text-align:center'><b>Correct 
        !          1670: 
        !          1671:             </b></p></td>
        !          1672: 
        !          1673:         <td width=35 class="Normal"> <p align=center style='text-align:center'><b>Wrong 
        !          1674: 
        !          1675:             </b></p></td>
        !          1676: 
        !          1677:       </tr>
        !          1678: 
        !          1679:       <tr> 
        !          1680: 
        !          1681:         <td width=10 class="Normal"> <p>1</p></td>
        !          1682: 
        !          1683:         <td width=357 bgcolor="white" class="Normal"> <p>Two masses have same 
        !          1684: 
        !          1685:             acceleration if the two the string does not stretch. </p></td>
        !          1686: 
        !          1687:         <td width=38 bgcolor="white" class="Normal"> <p>1342 </p></td>
        !          1688: 
        !          1689:         <td width=35 bgcolor="white" class="Normal"> <p>433 </p></td>
        !          1690: 
        !          1691:       </tr>
        !          1692: 
        !          1693:       <tr> 
        !          1694: 
        !          1695:         <td width=10 class="Normal"> <p>2</p></td>
        !          1696: 
        !          1697:         <td width=357 bgcolor="white" class="Normal"> <p>Weight of the two masses 
        !          1698: 
        !          1699:             is greater than the tension of the string attached to the ceiling. 
        !          1700: 
        !          1701:           </p></td>
        !          1702: 
        !          1703:         <td width=38 bgcolor="white" class="Normal"> <p>585 </p></td>
        !          1704: 
        !          1705:         <td width=35 bgcolor="white" class="Normal"> <p>1190 </p></td>
        !          1706: 
        !          1707:       </tr>
        !          1708: 
        !          1709:       <tr> 
        !          1710: 
        !          1711:         <td width=10 class="Normal"> <p>3</p></td>
        !          1712: 
        !          1713:         <td width=357 bgcolor="white" class="Normal"> <p>The top tension is equals 
        !          1714: 
        !          1715:             the two bottom tensions. (massless pulley) </p></td>
        !          1716: 
        !          1717:         <td width=38 bgcolor="white" class="Normal"> <p>1263 </p></td>
        !          1718: 
        !          1719:         <td width=35 bgcolor="white" class="Normal"> <p>512 </p></td>
        !          1720: 
        !          1721:       </tr>
        !          1722: 
        !          1723:       <tr> 
        !          1724: 
        !          1725:         <td width=10 class="Normal"> <p>4</p></td>
        !          1726: 
        !          1727:         <td width=357 bgcolor="white" class="Normal"> <p>Tension holding the two 
        !          1728: 
        !          1729:             masses are equal if mass of pulley=0 </p></td>
        !          1730: 
        !          1731:         <td width=38 bgcolor="white" class="Normal"> <p>1087 </p></td>
        !          1732: 
        !          1733:         <td width=35 bgcolor="white" class="Normal"> <p>688 </p></td>
        !          1734: 
        !          1735:       </tr>
        !          1736: 
        !          1737:       <tr> 
        !          1738: 
        !          1739:         <td width=10 class="Normal"> <p>5</p></td>
        !          1740: 
        !          1741:         <td width=357 bgcolor="white" class="Normal"> <p>Sub-System accelerates 
        !          1742: 
        !          1743:             upwards or downwards accordingly </p></td>
        !          1744: 
        !          1745:         <td width=38 bgcolor="white" class="Normal"> <p>757 </p></td>
        !          1746: 
        !          1747:         <td width=35 bgcolor="white" class="Normal"> <p>1018 </p></td>
        !          1748: 
        !          1749:       </tr>
        !          1750: 
        !          1751:       <tr> 
        !          1752: 
        !          1753:         <td width=10 class="Normal"> <p>6</p></td>
        !          1754: 
        !          1755:         <td width=357 bgcolor="white" class="Normal"> <p>Center of mass accelerates 
        !          1756: 
        !          1757:             downward </p></td>
        !          1758: 
        !          1759:         <td width=38 bgcolor="white" class="Normal"> <p>1354 </p></td>
        !          1760: 
        !          1761:         <td width=35 bgcolor="white" class="Normal"> <p>421 </p></td>
        !          1762: 
        !          1763:       </tr>
        !          1764: 
        !          1765:       <tr> 
        !          1766: 
        !          1767:         <td width=10 class="Normal">&nbsp; </td>
        !          1768: 
        !          1769:         <td width=357 class="Normal"> <p><b>From:[Thu Jan 24 00:46:22 2002] To: 
        !          1770: 
        !          1771:             [Mon Feb 4 23:59:59 2002]</b></p></td>
        !          1772: 
        !          1773:         <td width=38 class="Normal"> <p>6388</p></td>
        !          1774: 
        !          1775:         <td width=35 class="Normal"> <p>4245</p></td>
        !          1776: 
        !          1777:       </tr>
        !          1778: 
        !          1779:     </table>
        !          1780: 
        !          1781:     <p><span style='font-size:11.0pt'><b>Fig. 3.2.8</b></span><span
        !          1782: 
        !          1783: style='font-size:11.0pt'>: Table of student tries for Atwood Machine Problem according 
        !          1784: 
        !          1785:       to every concept in one time interval.</span></p>
        !          1786: 
        !          1787:     <p> <span
        !          1788: 
        !          1789: style='position:relative;z-index:2'><span style='position:
        !          1790: 
        !          1791: absolute;left:-109px;top:-166px;width:341px;height:24px'> <img width=341
        !          1792: 
        !          1793: height=24 src="Session%20Tw2_files/image138.png" v:shapes="_x0000_s1027"> <img width=203 height=150
        !          1794: 
        !          1795: src="Session%20Tw2_files/image140.png" v:shapes="_x0000_i1072"> <img width=203 height=150
        !          1796: 
        !          1797: src="Session%20Tw2_files/image142.png" v:shapes="_x0000_i1073"> 
        !          1798: 
        !          1799:       <p></p>
        !          1800: 
        !          1801:       <table border=1 cellspacing=0 cellpadding=0>
        !          1802: 
        !          1803:         <tr> 
        !          1804: 
        !          1805:           <td width=10 class="Normal"> <p align=center style='text-align:center'><b># 
        !          1806: 
        !          1807:               </b></p></td>
        !          1808: 
        !          1809:           <td width=357 class="Normal"> <p align=center style='text-align:center'><b>Concept 
        !          1810: 
        !          1811:               </b></p></td>
        !          1812: 
        !          1813:           <td width=38 class="Normal"> <p align=center style='text-align:center'><b>Correct 
        !          1814: 
        !          1815:               </b></p></td>
        !          1816: 
        !          1817:           <td width=35 class="Normal"> <p align=center style='text-align:center'><b>Wrong 
        !          1818: 
        !          1819:               </b></p></td>
        !          1820: 
        !          1821:         </tr>
        !          1822: 
        !          1823:         <tr> 
        !          1824: 
        !          1825:           <td width=10 class="Normal"> <p>1</p></td>
        !          1826: 
        !          1827:           <td width=357 bgcolor="white" class="Normal"> <p>Two masses have same 
        !          1828: 
        !          1829:               acceleration if the two the string does not stretch. </p></td>
        !          1830: 
        !          1831:           <td width=38 bgcolor="white" class="Normal"> <p>124 </p></td>
        !          1832: 
        !          1833:           <td width=35 bgcolor="white" class="Normal"> <p>98 </p></td>
        !          1834: 
        !          1835:         </tr>
        !          1836: 
        !          1837:         <tr> 
        !          1838: 
        !          1839:           <td width=10 class="Normal"> <p>2</p></td>
        !          1840: 
        !          1841:           <td width=357 bgcolor="white" class="Normal"> <p>Weight of the two masses 
        !          1842: 
        !          1843:               is greater than the tension of the string attached to the ceiling. 
        !          1844: 
        !          1845:             </p></td>
        !          1846: 
        !          1847:           <td width=38 bgcolor="white" class="Normal"> <p>44 </p></td>
        !          1848: 
        !          1849:           <td width=35 bgcolor="white" class="Normal"> <p>178 </p></td>
        !          1850: 
        !          1851:         </tr>
        !          1852: 
        !          1853:         <tr> 
        !          1854: 
        !          1855:           <td width=10 class="Normal"> <p>3</p></td>
        !          1856: 
        !          1857:           <td width=357 bgcolor="white" class="Normal"> <p>The top tension is 
        !          1858: 
        !          1859:               equals the two bottom tensions. (massless pulley) </p></td>
        !          1860: 
        !          1861:           <td width=38 bgcolor="white" class="Normal"> <p>142 </p></td>
        !          1862: 
        !          1863:           <td width=35 bgcolor="white" class="Normal"> <p>80 </p></td>
        !          1864: 
        !          1865:         </tr>
        !          1866: 
        !          1867:         <tr> 
        !          1868: 
        !          1869:           <td width=10 class="Normal"> <p>4</p></td>
        !          1870: 
        !          1871:           <td width=357 bgcolor="white" class="Normal"> <p>Tension holding the 
        !          1872: 
        !          1873:               two masses are equal if mass of pulley=0 </p></td>
        !          1874: 
        !          1875:           <td width=38 bgcolor="white" class="Normal"> <p>125 </p></td>
        !          1876: 
        !          1877:           <td width=35 bgcolor="white" class="Normal"> <p>97 </p></td>
        !          1878: 
        !          1879:         </tr>
        !          1880: 
        !          1881:         <tr> 
        !          1882: 
        !          1883:           <td width=10 class="Normal"> <p>5</p></td>
        !          1884: 
        !          1885:           <td width=357 bgcolor="white" class="Normal"> <p>Sub-System accelerates 
        !          1886: 
        !          1887:               upwards or downwards accordingly </p></td>
        !          1888: 
        !          1889:           <td width=38 bgcolor="white" class="Normal"> <p>64 </p></td>
        !          1890: 
        !          1891:           <td width=35 bgcolor="white" class="Normal"> <p>158 </p></td>
        !          1892: 
        !          1893:         </tr>
        !          1894: 
        !          1895:         <tr> 
        !          1896: 
        !          1897:           <td width=10 class="Normal"> <p>6</p></td>
        !          1898: 
        !          1899:           <td width=357 bgcolor="white" class="Normal"> <p>Center of mass accelerates 
        !          1900: 
        !          1901:               downward </p></td>
        !          1902: 
        !          1903:           <td width=38 bgcolor="white" class="Normal"> <p>151 </p></td>
        !          1904: 
        !          1905:           <td width=35 bgcolor="white" class="Normal"> <p>71 </p></td>
        !          1906: 
        !          1907:         </tr>
        !          1908: 
        !          1909:         <tr> 
        !          1910: 
        !          1911:           <td width=10 class="Normal">&nbsp; </td>
        !          1912: 
        !          1913:           <td width=357 class="Normal"> <p><b>From:[Thu Jan 24 00:46:22 2002] 
        !          1914: 
        !          1915:               To: [Wed Jan 30 00:23:10 2002]</b></p></td>
        !          1916: 
        !          1917:           <td width=38 class="Normal"> <p>650</p></td>
        !          1918: 
        !          1919:           <td width=35 class="Normal"> <p>682</p></td>
        !          1920: 
        !          1921:         </tr>
        !          1922: 
        !          1923:       </table>
        !          1924: 
        !          1925:       <table border=1 cellspacing=0 cellpadding=0>
        !          1926: 
        !          1927:         <tr> 
        !          1928: 
        !          1929:           <td width=10 class="Normal"> <p align=center style='text-align:center'><b># 
        !          1930: 
        !          1931:               </b></p></td>
        !          1932: 
        !          1933:           <td width=357 class="Normal"> <p align=center style='text-align:center'><b>Concept 
        !          1934: 
        !          1935:               </b></p></td>
        !          1936: 
        !          1937:           <td width=38 class="Normal"> <p align=center style='text-align:center'><b>Correct 
        !          1938: 
        !          1939:               </b></p></td>
        !          1940: 
        !          1941:           <td width=35 class="Normal"> <p align=center style='text-align:center'><b>Wrong 
        !          1942: 
        !          1943:               </b></p></td>
        !          1944: 
        !          1945:         </tr>
        !          1946: 
        !          1947:         <tr> 
        !          1948: 
        !          1949:           <td width=10 class="Normal"> <p>1</p></td>
        !          1950: 
        !          1951:           <td width=357 bgcolor="white" class="Normal"> <p>Two masses have same 
        !          1952: 
        !          1953:               acceleration if the two the string does not stretch. </p></td>
        !          1954: 
        !          1955:           <td width=38 bgcolor="white" class="Normal"> <p>1218 </p></td>
        !          1956: 
        !          1957:           <td width=35 bgcolor="white" class="Normal"> <p>335 </p></td>
        !          1958: 
        !          1959:         </tr>
        !          1960: 
        !          1961:         <tr> 
        !          1962: 
        !          1963:           <td width=10 class="Normal"> <p>2</p></td>
        !          1964: 
        !          1965:           <td width=357 bgcolor="white" class="Normal"> <p>Weight of the two masses 
        !          1966: 
        !          1967:               is greater than the tension of the string attached to the ceiling. 
        !          1968: 
        !          1969:             </p></td>
        !          1970: 
        !          1971:           <td width=38 bgcolor="white" class="Normal"> <p>541 </p></td>
        !          1972: 
        !          1973:           <td width=35 bgcolor="white" class="Normal"> <p>1012 </p></td>
        !          1974: 
        !          1975:         </tr>
        !          1976: 
        !          1977:         <tr> 
        !          1978: 
        !          1979:           <td width=10 class="Normal"> <p>3</p></td>
        !          1980: 
        !          1981:           <td width=357 bgcolor="white" class="Normal"> <p>The top tension is 
        !          1982: 
        !          1983:               equals the two bottom tensions. (massless pulley) </p></td>
        !          1984: 
        !          1985:           <td width=38 bgcolor="white" class="Normal"> <p>1121 </p></td>
        !          1986: 
        !          1987:           <td width=35 bgcolor="white" class="Normal"> <p>432 </p></td>
        !          1988: 
        !          1989:         </tr>
        !          1990: 
        !          1991:         <tr> 
        !          1992: 
        !          1993:           <td width=10 class="Normal"> <p>4</p></td>
        !          1994: 
        !          1995:           <td width=357 bgcolor="white" class="Normal"> <p>Tension holding the 
        !          1996: 
        !          1997:               two masses are equal if mass of pulley=0 </p></td>
        !          1998: 
        !          1999:           <td width=38 bgcolor="white" class="Normal"> <p>962 </p></td>
        !          2000: 
        !          2001:           <td width=35 bgcolor="white" class="Normal"> <p>591 </p></td>
        !          2002: 
        !          2003:         </tr>
        !          2004: 
        !          2005:         <tr> 
        !          2006: 
        !          2007:           <td width=10 class="Normal"> <p>5</p></td>
        !          2008: 
        !          2009:           <td width=357 bgcolor="white" class="Normal"> <p>Sub-System accelerates 
        !          2010: 
        !          2011:               upwards or downwards accordingly </p></td>
        !          2012: 
        !          2013:           <td width=38 bgcolor="white" class="Normal"> <p>693 </p></td>
        !          2014: 
        !          2015:           <td width=35 bgcolor="white" class="Normal"> <p>860 </p></td>
        !          2016: 
        !          2017:         </tr>
        !          2018: 
        !          2019:         <tr> 
        !          2020: 
        !          2021:           <td width=10 class="Normal"> <p>6</p></td>
        !          2022: 
        !          2023:           <td width=357 bgcolor="white" class="Normal"> <p>Center of mass accelerates 
        !          2024: 
        !          2025:               downward </p></td>
        !          2026: 
        !          2027:           <td width=38 bgcolor="white" class="Normal"> <p>1203 </p></td>
        !          2028: 
        !          2029:           <td width=35 bgcolor="white" class="Normal"> <p>350 </p></td>
        !          2030: 
        !          2031:         </tr>
        !          2032: 
        !          2033:         <tr> 
        !          2034: 
        !          2035:           <td width=10 class="Normal">&nbsp; </td>
        !          2036: 
        !          2037:           <td width=357 class="Normal"> <p><b>From:[Wed Jan 30 00:23:11 2002] 
        !          2038: 
        !          2039:               To: [Mon Feb 4 23:59:59 2002]</b></p></td>
        !          2040: 
        !          2041:           <td width=38 class="Normal"> <p>5738</p></td>
        !          2042: 
        !          2043:           <td width=35 class="Normal"> <p>3563</p></td>
        !          2044: 
        !          2045:         </tr>
        !          2046: 
        !          2047:       </table>
        !          2048: 
        !          2049:       <p><span style='font-size:11.0pt'><b>Fig. 3.2.9</b></span><span
        !          2050: 
        !          2051: style='font-size:11.0pt'>: Table of student tries for Atwood Machine Problem according 
        !          2052: 
        !          2053:         to every concept in 2 times interval.</span></p>
        !          2054: 
        !          2055:       <p>In <b>Fig. 3.2.9</b><span style='font-weight:normal'>, number of studentsÕ 
        !          2056: 
        !          2057:         tries tables and the graphical chart are shown in 2 different time intervals. 
        !          2058: 
        !          2059:         An instructor would be able to check whether the students have more wrong 
        !          2060: 
        !          2061:         answers during the first days of opening the homework set, and how many 
        !          2062: 
        !          2063:         students have tried during the first or the second interval. Since the 
        !          2064: 
        !          2065:         problems are individualized he/she might be able to see how many students 
        !          2066: 
        !          2067:         have tried to solve the problem after communicating with each other and 
        !          2068: 
        !          2069:         understanding the concept.&nbsp; In Fig. 3.2. 10 the charts and tables 
        !          2070: 
        !          2071:         of studentsÕ tries are shown in 3 time intervals. So if the homework should 
        !          2072: 
        !          2073:         be done in one week, an instructor would be able to observe the distribution 
        !          2074: 
        !          2075:         of studentsÕ tries every day separately after choosing the 7 time intervals.</span></p>
        !          2076: 
        !          2077:       <p> <img width=151 height=150
        !          2078: 
        !          2079: src="Session%20Tw2_files/image144.png" v:shapes="_x0000_i1074"> <img width=151 height=150
        !          2080: 
        !          2081: src="Session%20Tw2_files/image146.png" v:shapes="_x0000_i1075"> <img width=149 height=150
        !          2082: 
        !          2083: src="Session%20Tw2_files/image148.png" v:shapes="_x0000_i1076"> </p>
        !          2084: 
        !          2085:       <table border=1 cellspacing=0 cellpadding=0>
        !          2086: 
        !          2087:         <tr> 
        !          2088: 
        !          2089:           <td width=10 class="Normal"> <p align=center style='text-align:center'><b># 
        !          2090: 
        !          2091:               </b></p></td>
        !          2092: 
        !          2093:           <td width=357 class="Normal"> <p align=center style='text-align:center'><b>Concept 
        !          2094: 
        !          2095:               </b></p></td>
        !          2096: 
        !          2097:           <td width=38 class="Normal"> <p align=center style='text-align:center'><b>Correct 
        !          2098: 
        !          2099:               </b></p></td>
        !          2100: 
        !          2101:           <td width=35 class="Normal"> <p align=center style='text-align:center'><b>Wrong 
        !          2102: 
        !          2103:               </b></p></td>
        !          2104: 
        !          2105:         </tr>
        !          2106: 
        !          2107:         <tr> 
        !          2108: 
        !          2109:           <td width=10 class="Normal"> <p>1</p></td>
        !          2110: 
        !          2111:           <td width=357 bgcolor="white" class="Normal"> <p>Two masses have same 
        !          2112: 
        !          2113:               acceleration if the two the string does not stretch. </p></td>
        !          2114: 
        !          2115:           <td width=38 bgcolor="white" class="Normal"> <p>31 </p></td>
        !          2116: 
        !          2117:           <td width=35 bgcolor="white" class="Normal"> <p>30 </p></td>
        !          2118: 
        !          2119:         </tr>
        !          2120: 
        !          2121:         <tr> 
        !          2122: 
        !          2123:           <td width=10 class="Normal"> <p>2</p></td>
        !          2124: 
        !          2125:           <td width=357 bgcolor="white" class="Normal"> <p>Weight of the two masses 
        !          2126: 
        !          2127:               is greater than the tension of the string attached to the ceiling. 
        !          2128: 
        !          2129:             </p></td>
        !          2130: 
        !          2131:           <td width=38 bgcolor="white" class="Normal"> <p>8 </p></td>
        !          2132: 
        !          2133:           <td width=35 bgcolor="white" class="Normal"> <p>53 </p></td>
        !          2134: 
        !          2135:         </tr>
        !          2136: 
        !          2137:         <tr> 
        !          2138: 
        !          2139:           <td width=10 class="Normal"> <p>3</p></td>
        !          2140: 
        !          2141:           <td width=357 bgcolor="white" class="Normal"> <p>The top tension is 
        !          2142: 
        !          2143:               equals the two bottom tensions. (massless pulley) </p></td>
        !          2144: 
        !          2145:           <td width=38 bgcolor="white" class="Normal"> <p>44 </p></td>
        !          2146: 
        !          2147:           <td width=35 bgcolor="white" class="Normal"> <p>17 </p></td>
        !          2148: 
        !          2149:         </tr>
        !          2150: 
        !          2151:         <tr> 
        !          2152: 
        !          2153:           <td width=10 class="Normal"> <p>4</p></td>
        !          2154: 
        !          2155:           <td width=357 bgcolor="white" class="Normal"> <p>Tension holding the 
        !          2156: 
        !          2157:               two masses are equal if mass of pulley=0 </p></td>
        !          2158: 
        !          2159:           <td width=38 bgcolor="white" class="Normal"> <p>32 </p></td>
        !          2160: 
        !          2161:           <td width=35 bgcolor="white" class="Normal"> <p>29 </p></td>
        !          2162: 
        !          2163:         </tr>
        !          2164: 
        !          2165:         <tr> 
        !          2166: 
        !          2167:           <td width=10 class="Normal"> <p>5</p></td>
        !          2168: 
        !          2169:           <td width=357 bgcolor="white" class="Normal"> <p>Sub-System accelerates 
        !          2170: 
        !          2171:               upwards or downwards accordingly </p></td>
        !          2172: 
        !          2173:           <td width=38 bgcolor="white" class="Normal"> <p>20 </p></td>
        !          2174: 
        !          2175:           <td width=35 bgcolor="white" class="Normal"> <p>41 </p></td>
        !          2176: 
        !          2177:         </tr>
        !          2178: 
        !          2179:         <tr> 
        !          2180: 
        !          2181:           <td width=10 class="Normal"> <p>6</p></td>
        !          2182: 
        !          2183:           <td width=357 bgcolor="white" class="Normal"> <p>Center of mass accelerates 
        !          2184: 
        !          2185:               downward </p></td>
        !          2186: 
        !          2187:           <td width=38 bgcolor="white" class="Normal"> <p>42 </p></td>
        !          2188: 
        !          2189:           <td width=35 bgcolor="white" class="Normal"> <p>19 </p></td>
        !          2190: 
        !          2191:         </tr>
        !          2192: 
        !          2193:         <tr> 
        !          2194: 
        !          2195:           <td width=10 class="Normal">&nbsp; </td>
        !          2196: 
        !          2197:           <td width=357 class="Normal"> <p><b>From:[Thu Jan 24 00:46:22 2002] 
        !          2198: 
        !          2199:               To: [Mon Jan 28 00:30:53 2002]</b></p></td>
        !          2200: 
        !          2201:           <td width=38 class="Normal"> <p>177</p></td>
        !          2202: 
        !          2203:           <td width=35 class="Normal"> <p>189</p></td>
        !          2204: 
        !          2205:         </tr>
        !          2206: 
        !          2207:       </table>
        !          2208: 
        !          2209:       <table border=1 cellspacing=0 cellpadding=0>
        !          2210: 
        !          2211:         <tr> 
        !          2212: 
        !          2213:           <td width=10 class="Normal"> <p align=center style='text-align:center'><b># 
        !          2214: 
        !          2215:               </b></p></td>
        !          2216: 
        !          2217:           <td width=357 class="Normal"> <p align=center style='text-align:center'><b>Concept 
        !          2218: 
        !          2219:               </b></p></td>
        !          2220: 
        !          2221:           <td width=38 class="Normal"> <p align=center style='text-align:center'><b>Correct 
        !          2222: 
        !          2223:               </b></p></td>
        !          2224: 
        !          2225:           <td width=35 class="Normal"> <p align=center style='text-align:center'><b>Wrong 
        !          2226: 
        !          2227:               </b></p></td>
        !          2228: 
        !          2229:         </tr>
        !          2230: 
        !          2231:         <tr> 
        !          2232: 
        !          2233:           <td width=10 class="Normal"> <p>1</p></td>
        !          2234: 
        !          2235:           <td width=357 bgcolor="white" class="Normal"> <p>Two masses have same 
        !          2236: 
        !          2237:               acceleration if the two the string does not stretch. </p></td>
        !          2238: 
        !          2239:           <td width=38 bgcolor="white" class="Normal"> <p>692 </p></td>
        !          2240: 
        !          2241:           <td width=35 bgcolor="white" class="Normal"> <p>257 </p></td>
        !          2242: 
        !          2243:         </tr>
        !          2244: 
        !          2245:         <tr> 
        !          2246: 
        !          2247:           <td width=10 class="Normal"> <p>2</p></td>
        !          2248: 
        !          2249:           <td width=357 bgcolor="white" class="Normal"> <p>Weight of the two masses 
        !          2250: 
        !          2251:               is greater than the tension of the string attached to the ceiling. 
        !          2252: 
        !          2253:             </p></td>
        !          2254: 
        !          2255:           <td width=38 bgcolor="white" class="Normal"> <p>321 </p></td>
        !          2256: 
        !          2257:           <td width=35 bgcolor="white" class="Normal"> <p>628 </p></td>
        !          2258: 
        !          2259:         </tr>
        !          2260: 
        !          2261:         <tr> 
        !          2262: 
        !          2263:           <td width=10 class="Normal"> <p>3</p></td>
        !          2264: 
        !          2265:           <td width=357 bgcolor="white" class="Normal"> <p>The top tension is 
        !          2266: 
        !          2267:               equals the two bottom tensions. (massless pulley) </p></td>
        !          2268: 
        !          2269:           <td width=38 bgcolor="white" class="Normal"> <p>690 </p></td>
        !          2270: 
        !          2271:           <td width=35 bgcolor="white" class="Normal"> <p>259 </p></td>
        !          2272: 
        !          2273:         </tr>
        !          2274: 
        !          2275:         <tr> 
        !          2276: 
        !          2277:           <td width=10 class="Normal"> <p>4</p></td>
        !          2278: 
        !          2279:           <td width=357 bgcolor="white" class="Normal"> <p>Tension holding the 
        !          2280: 
        !          2281:               two masses are equal if mass of pulley=0 </p></td>
        !          2282: 
        !          2283:           <td width=38 bgcolor="white" class="Normal"> <p>590 </p></td>
        !          2284: 
        !          2285:           <td width=35 bgcolor="white" class="Normal"> <p>359 </p></td>
        !          2286: 
        !          2287:         </tr>
        !          2288: 
        !          2289:         <tr> 
        !          2290: 
        !          2291:           <td width=10 class="Normal"> <p>5</p></td>
        !          2292: 
        !          2293:           <td width=357 bgcolor="white" class="Normal"> <p>Sub-System accelerates 
        !          2294: 
        !          2295:               upwards or downwards accordingly </p></td>
        !          2296: 
        !          2297:           <td width=38 bgcolor="white" class="Normal"> <p>399 </p></td>
        !          2298: 
        !          2299:           <td width=35 bgcolor="white" class="Normal"> <p>550 </p></td>
        !          2300: 
        !          2301:         </tr>
        !          2302: 
        !          2303:         <tr> 
        !          2304: 
        !          2305:           <td width=10 class="Normal"> <p>6</p></td>
        !          2306: 
        !          2307:           <td width=357 bgcolor="white" class="Normal"> <p>Center of mass accelerates 
        !          2308: 
        !          2309:               downward </p></td>
        !          2310: 
        !          2311:           <td width=38 bgcolor="white" class="Normal"> <p>703 </p></td>
        !          2312: 
        !          2313:           <td width=35 bgcolor="white" class="Normal"> <p>246 </p></td>
        !          2314: 
        !          2315:         </tr>
        !          2316: 
        !          2317:         <tr> 
        !          2318: 
        !          2319:           <td width=10 class="Normal">&nbsp; </td>
        !          2320: 
        !          2321:           <td width=357 class="Normal"> <p><b>From:[Mon Jan 28 00:30:54 2002] 
        !          2322: 
        !          2323:               To: [Fri Feb 1 00:15:25 2002]</b></p></td>
        !          2324: 
        !          2325:           <td width=38 class="Normal"> <p>3395</p></td>
        !          2326: 
        !          2327:           <td width=35 class="Normal"> <p>2281</p></td>
        !          2328: 
        !          2329:         </tr>
        !          2330: 
        !          2331:       </table>
        !          2332: 
        !          2333:       <table border=1 cellspacing=0 cellpadding=0>
        !          2334: 
        !          2335:         <tr> 
        !          2336: 
        !          2337:           <td width=10 class="Normal"> <p align=center style='text-align:center'><b># 
        !          2338: 
        !          2339:               </b></p></td>
        !          2340: 
        !          2341:           <td width=357 class="Normal"> <p align=center style='text-align:center'><b>Concept 
        !          2342: 
        !          2343:               </b></p></td>
        !          2344: 
        !          2345:           <td width=38 class="Normal"> <p align=center style='text-align:center'><b>Correct 
        !          2346: 
        !          2347:               </b></p></td>
        !          2348: 
        !          2349:           <td width=35 class="Normal"> <p align=center style='text-align:center'><b>Wrong 
        !          2350: 
        !          2351:               </b></p></td>
        !          2352: 
        !          2353:         </tr>
        !          2354: 
        !          2355:         <tr> 
        !          2356: 
        !          2357:           <td width=10 class="Normal"> <p>1</p></td>
        !          2358: 
        !          2359:           <td width=357 bgcolor="white" class="Normal"> <p>Two masses have same 
        !          2360: 
        !          2361:               acceleration if the two the string does not stretch. </p></td>
        !          2362: 
        !          2363:           <td width=38 bgcolor="white" class="Normal"> <p>619 </p></td>
        !          2364: 
        !          2365:           <td width=35 bgcolor="white" class="Normal"> <p>147 </p></td>
        !          2366: 
        !          2367:         </tr>
        !          2368: 
        !          2369:         <tr> 
        !          2370: 
        !          2371:           <td width=10 class="Normal"> <p>2</p></td>
        !          2372: 
        !          2373:           <td width=357 bgcolor="white" class="Normal"> <p>Weight of the two masses 
        !          2374: 
        !          2375:               is greater than the tension of the string attached to the ceiling. 
        !          2376: 
        !          2377:             </p></td>
        !          2378: 
        !          2379:           <td width=38 bgcolor="white" class="Normal"> <p>256 </p></td>
        !          2380: 
        !          2381:           <td width=35 bgcolor="white" class="Normal"> <p>510 </p></td>
        !          2382: 
        !          2383:         </tr>
        !          2384: 
        !          2385:         <tr> 
        !          2386: 
        !          2387:           <td width=10 class="Normal"> <p>3</p></td>
        !          2388: 
        !          2389:           <td width=357 bgcolor="white" class="Normal"> <p>The top tension is 
        !          2390: 
        !          2391:               equals the two bottom tensions. (massless pulley) </p></td>
        !          2392: 
        !          2393:           <td width=38 bgcolor="white" class="Normal"> <p>529 </p></td>
        !          2394: 
        !          2395:           <td width=35 bgcolor="white" class="Normal"> <p>237 </p></td>
        !          2396: 
        !          2397:         </tr>
        !          2398: 
        !          2399:         <tr> 
        !          2400: 
        !          2401:           <td width=10 class="Normal"> <p>4</p></td>
        !          2402: 
        !          2403:           <td width=357 bgcolor="white" class="Normal"> <p>Tension holding the 
        !          2404: 
        !          2405:               two masses are equal if mass of pulley=0 </p></td>
        !          2406: 
        !          2407:           <td width=38 bgcolor="white" class="Normal"> <p>465 </p></td>
        !          2408: 
        !          2409:           <td width=35 bgcolor="white" class="Normal"> <p>301 </p></td>
        !          2410: 
        !          2411:         </tr>
        !          2412: 
        !          2413:         <tr> 
        !          2414: 
        !          2415:           <td width=10 class="Normal"> <p>5</p></td>
        !          2416: 
        !          2417:           <td width=357 bgcolor="white" class="Normal"> <p>Sub-System accelerates 
        !          2418: 
        !          2419:               upwards or downwards accordingly </p></td>
        !          2420: 
        !          2421:           <td width=38 bgcolor="white" class="Normal"> <p>338 </p></td>
        !          2422: 
        !          2423:           <td width=35 bgcolor="white" class="Normal"> <p>428 </p></td>
        !          2424: 
        !          2425:         </tr>
        !          2426: 
        !          2427:         <tr> 
        !          2428: 
        !          2429:           <td width=10 class="Normal"> <p>6</p></td>
        !          2430: 
        !          2431:           <td width=357 bgcolor="white" class="Normal"> <p>Center of mass accelerates 
        !          2432: 
        !          2433:               downward </p></td>
        !          2434: 
        !          2435:           <td width=38 bgcolor="white" class="Normal"> <p>609 </p></td>
        !          2436: 
        !          2437:           <td width=35 bgcolor="white" class="Normal"> <p>157 </p></td>
        !          2438: 
        !          2439:         </tr>
        !          2440: 
        !          2441:         <tr> 
        !          2442: 
        !          2443:           <td width=10 class="Normal">&nbsp; </td>
        !          2444: 
        !          2445:           <td width=357 class="Normal"> <p><b>From:[Fri Feb 1 00:15:26 2002] To: 
        !          2446: 
        !          2447:               [Mon Feb 4 23:59:59 2002]</b></p></td>
        !          2448: 
        !          2449:           <td width=38 class="Normal"> <p>2816</p></td>
        !          2450: 
        !          2451:           <td width=35 class="Normal"> <p>1775</p></td>
        !          2452: 
        !          2453:         </tr>
        !          2454: 
        !          2455:       </table>
        !          2456: 
        !          2457:       <p><b>Fig. 3.2. 10</b><span style='font-weight:normal'>: Table of student 
        !          2458: 
        !          2459:         tries for Atwood Machine Problem according to every concept in 3 times 
        !          2460: 
        !          2461:         interval.</span></p>
        !          2462: 
        !          2463:       <h3><a name="_Toc421867142">Student Assessment</a></h3>
        !          2464: 
        !          2465:       <p class=MsoBodyText2><span style='font-size:11.0pt'>This option provides 
        !          2466: 
        !          2467:         some reports about the current educational situation of every student 
        !          2468: 
        !          2469:         as you see in <b>Fig. 3.2.11</b></span><span style='font-size:11.0pt'>.&nbsp; 
        !          2470: 
        !          2471:         A ÔYÕ show that the student has solved the problem and ÔNÕ shows his/her 
        !          2472: 
        !          2473:         failure.&nbsp; A Ô-Ô denotes a unattempted problem. The numbers in the 
        !          2474: 
        !          2475:         right column show the total number of tries of the student in solving 
        !          2476: 
        !          2477:         the corresponding problems.</span></p>
        !          2478: 
        !          2479:       <form>
        !          2480: 
        !          2481:         <div style='border:solid windowtext .5pt;padding:1.0pt 0in 1.0pt 4.0pt'> 
        !          2482: 
        !          2483:           <p style='border:none;padding:0in;'>Total number of students : 263<br>
        !          2484: 
        !          2485:             <br>
        !          2486: 
        !          2487:             <img width=68 height=23
        !          2488: 
        !          2489: src="Session%20Tw2_files/image151.png" v:shapes="_x0000_i1077"> <br>
        !          2490: 
        !          2491:             <b>Select &nbsp; Map &nbsp; &nbsp; </b><span style='font-weight:normal'> 
        !          2492: 
        !          2493:             <img width=215 height=18
        !          2494: 
        !          2495: src="Session%20Tw2_files/image154.png" v:shapes="_x0000_i1078"> &nbsp;&nbsp;&nbsp;<br>
        !          2496: 
        !          2497:             </span><b>Select Section</b><span style='font-weight:normal'> <img width=89 height=18
        !          2498: 
        !          2499: src="Session%20Tw2_files/image157.png" v:shapes="_x0000_i1079"> <br>
        !          2500: 
        !          2501:             </span><b>Select Student</b><span style='font-weight:normal'> <img width=89 height=18
        !          2502: 
        !          2503: src="Session%20Tw2_files/image160.png" v:shapes="_x0000_i1080"> <br>
        !          2504: 
        !          2505:             <br>
        !          2506: 
        !          2507:             </span></p>
        !          2508: 
        !          2509:           <p style='border:none;padding:0in;'> <img width=93 height=23
        !          2510: 
        !          2511: src="Session%20Tw2_files/image163.png" v:shapes="_x0000_i1081"> </p>
        !          2512: 
        !          2513:         </div>
        !          2514: 
        !          2515:         <table border=1 cellspacing=0 cellpadding=0>
        !          2516: 
        !          2517:           <tr> 
        !          2518: 
        !          2519:             <td width=21 class="Normal"> <p align=center style='text-align:center;line-height:150%'><b># 
        !          2520: 
        !          2521:                 </b></p></td>
        !          2522: 
        !          2523:             <td width=177 class="Normal"> <p align=center style='text-align:center;line-height:150%'><b>Set 
        !          2524: 
        !          2525:                 Title </b></p></td>
        !          2526: 
        !          2527:             <td width=122 class="Normal"> <p align=center style='text-align:center;line-height:150%'><b>Results 
        !          2528: 
        !          2529:                 </b></p></td>
        !          2530: 
        !          2531:             <td width=153 class="Normal"> <p align=center style='text-align:center;line-height:150%'><b>Tries 
        !          2532: 
        !          2533:                 </b></p></td>
        !          2534: 
        !          2535:           </tr>
        !          2536: 
        !          2537:           <tr> 
        !          2538: 
        !          2539:             <td width=21 class="Normal"> <p style='line-height:150%'>1 </p></td>
        !          2540: 
        !          2541:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/phy183.sequence 
        !          2542: 
        !          2543:               </p></td>
        !          2544: 
        !          2545:             <td width=122 class="Normal">&nbsp; </td>
        !          2546: 
        !          2547:             <td width=153 class="Normal">&nbsp; </td>
        !          2548: 
        !          2549:           </tr>
        !          2550: 
        !          2551:           <tr> 
        !          2552: 
        !          2553:             <td width=21 class="Normal"> <p style='line-height:150%'>2 </p></td>
        !          2554: 
        !          2555:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap1/calckap1.sequence 
        !          2556: 
        !          2557:               </p></td>
        !          2558: 
        !          2559:             <td width=122 class="Normal"> <p style='line-height:150%'><span style='font-size:8.0pt'>YYYYYYYYYYYYY 
        !          2560: 
        !          2561:                 </span></p></td>
        !          2562: 
        !          2563:             <td width=153 class="Normal"> <p style='line-height:150%'>1,1,1,2,1,1,1,1,1,7,9,3,2</p></td>
        !          2564: 
        !          2565:           </tr>
        !          2566: 
        !          2567:           <tr> 
        !          2568: 
        !          2569:             <td width=21 class="Normal"> <p style='line-height:150%'>3 </p></td>
        !          2570: 
        !          2571:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap2/calckap2.sequence 
        !          2572: 
        !          2573:               </p></td>
        !          2574: 
        !          2575:             <td width=122 class="Normal"> <p style='line-height:150%'><span style='font-size:8.0pt'>YYNYYYYNNYYYYYYYY 
        !          2576: 
        !          2577:                 </span></p></td>
        !          2578: 
        !          2579:             <td width=153 class="Normal"> <p style='line-height:150%'>10,1,0,1,1,2,1,4,5,1,1,1,3,2,1,1,1</p></td>
        !          2580: 
        !          2581:           </tr>
        !          2582: 
        !          2583:           <tr> 
        !          2584: 
        !          2585:             <td width=21 class="Normal"> <p style='line-height:150%'>4 </p></td>
        !          2586: 
        !          2587:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap3/calckap3.sequence 
        !          2588: 
        !          2589:               </p></td>
        !          2590: 
        !          2591:             <td width=122 class="Normal"> <p style='line-height:150%'><span style='font-size:8.0pt'>YYYYYYYYNYYYYYYYYYY 
        !          2592: 
        !          2593:                 </span></p></td>
        !          2594: 
        !          2595:             <td width=153 class="Normal"> <p style='line-height:150%'>4,3,5,1,1,8,2,3,20,1,1,1,1,1,2,3,2,2,3</p></td>
        !          2596: 
        !          2597:           </tr>
        !          2598: 
        !          2599:           <tr> 
        !          2600: 
        !          2601:             <td width=21 class="Normal"> <p style='line-height:150%'>5 </p></td>
        !          2602: 
        !          2603:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap4/calckap4.sequence 
        !          2604: 
        !          2605:               </p></td>
        !          2606: 
        !          2607:             <td width=122 class="Normal"> <p style='line-height:150%'><span style='font-size:8.0pt'>NYYYYYYYYYYYYYYY 
        !          2608: 
        !          2609:                 </span></p></td>
        !          2610: 
        !          2611:             <td width=153 class="Normal"> <p style='line-height:150%'>20,1,1,1,3,3,2,3,4,2,3,2,1,1,2,5</p></td>
        !          2612: 
        !          2613:           </tr>
        !          2614: 
        !          2615:           <tr> 
        !          2616: 
        !          2617:             <td width=21 class="Normal"> <p style='line-height:150%'>6 </p></td>
        !          2618: 
        !          2619:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap5/calckap5.sequence 
        !          2620: 
        !          2621:               </p></td>
        !          2622: 
        !          2623:             <td width=122 class="Normal"> <p style='line-height:150%'><span style='font-size:8.0pt'>YYYYYYYYYYY-YY 
        !          2624: 
        !          2625:                 </span></p></td>
        !          2626: 
        !          2627:             <td width=153 class="Normal"> <p style='line-height:150%'>5,2,1,9,12,1,3,12,1,2,1,,1,3</p></td>
        !          2628: 
        !          2629:           </tr>
        !          2630: 
        !          2631:           <tr> 
        !          2632: 
        !          2633:             <td width=21 class="Normal"> <p style='line-height:150%'>7 </p></td>
        !          2634: 
        !          2635:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap6/calckap6.sequence 
        !          2636: 
        !          2637:               </p></td>
        !          2638: 
        !          2639:             <td width=122 class="Normal"> <p style='line-height:150%'><span style='font-size:8.0pt'>YYYYYYYYYYYYYY 
        !          2640: 
        !          2641:                 </span></p></td>
        !          2642: 
        !          2643:             <td width=153 class="Normal"> <p style='line-height:150%'>3,2,4,2,1,1,2,1,1,9,2,3,2,2</p></td>
        !          2644: 
        !          2645:           </tr>
        !          2646: 
        !          2647:           <tr> 
        !          2648: 
        !          2649:             <td width=21 class="Normal"> <p style='line-height:150%'>8 </p></td>
        !          2650: 
        !          2651:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap7/calckap7.sequence 
        !          2652: 
        !          2653:               </p></td>
        !          2654: 
        !          2655:             <td width=122 class="Normal"> <p style='line-height:150%'><span style='font-size:8.0pt'>YYYYYYYYYYYYYYYYYY 
        !          2656: 
        !          2657:                 </span></p></td>
        !          2658: 
        !          2659:             <td width=153 class="Normal"> <p style='line-height:150%'>4,1,3,1,10,4,1,1,2,1,1,2,1,2,1,3,1,3</p></td>
        !          2660: 
        !          2661:           </tr>
        !          2662: 
        !          2663:           <tr> 
        !          2664: 
        !          2665:             <td width=21 class="Normal"> <p style='line-height:150%'>9 </p></td>
        !          2666: 
        !          2667:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap8/calckap8.sequence 
        !          2668: 
        !          2669:               </p></td>
        !          2670: 
        !          2671:             <td width=122 class="Normal"> <p style='line-height:150%'><span style='font-size:8.0pt'>YYYYYYYYYYYYYYY 
        !          2672: 
        !          2673:                 </span></p></td>
        !          2674: 
        !          2675:             <td width=153 class="Normal"> <p style='line-height:150%'>4,3,1,2,3,3,4,3,3,1,1,4,1,1,7</p></td>
        !          2676: 
        !          2677:           </tr>
        !          2678: 
        !          2679:           <tr> 
        !          2680: 
        !          2681:             <td width=21 class="Normal"> <p style='line-height:150%'>10 </p></td>
        !          2682: 
        !          2683:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap9/calckap9.sequence 
        !          2684: 
        !          2685:               </p></td>
        !          2686: 
        !          2687:             <td width=122 class="Normal"> <p style='line-height:150%'><span style='font-size:8.0pt'>YYYYN-NYYNY 
        !          2688: 
        !          2689:                 </span></p></td>
        !          2690: 
        !          2691:             <td width=153 class="Normal"> <p style='line-height:150%'>1,1,1,2,1,,2,2,1,6,4</p></td>
        !          2692: 
        !          2693:           </tr>
        !          2694: 
        !          2695:           <tr> 
        !          2696: 
        !          2697:             <td width=21 class="Normal"> <p style='line-height:150%'>11 </p></td>
        !          2698: 
        !          2699:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap10/calckap10.sequence 
        !          2700: 
        !          2701:               </p></td>
        !          2702: 
        !          2703:             <td width=122 class="Normal"> <p style='line-height:150%'><span style='font-size:8.0pt'>YYYYYYYYYYYY 
        !          2704: 
        !          2705:                 </span></p></td>
        !          2706: 
        !          2707:             <td width=153 class="Normal"> <p style='line-height:150%'>2,1,1,1,1,1,1,1,1,1,1,1</p></td>
        !          2708: 
        !          2709:           </tr>
        !          2710: 
        !          2711:           <tr> 
        !          2712: 
        !          2713:             <td width=21 class="Normal"> <p style='line-height:150%'>12 </p></td>
        !          2714: 
        !          2715:             <td width=177 class="Normal"> <p style='line-height:150%'>msu/mmp/kap11/calckap11.sequence 
        !          2716: 
        !          2717:               </p></td>
        !          2718: 
        !          2719:             <td width=122 class="Normal"> <p style='line-height:150%'>----------------- 
        !          2720: 
        !          2721:               </p></td>
        !          2722: 
        !          2723:             <td width=153 class="Normal"> <p style='line-height:150%'>0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0</p></td>
        !          2724: 
        !          2725:           </tr>
        !          2726: 
        !          2727:         </table>
        !          2728: 
        !          2729:         <p><span style='layout-grid-mode:line'><b>Fig. 3.2. 5</b></span><span
        !          2730: 
        !          2731: style='layout-grid-mode:line'>: A sample of a student homework results and tries</span></p>
        !          2732: 
        !          2733:         <p><span style='font-size:11.0pt;layout-grid-mode:line'>We plan to present 
        !          2734: 
        !          2735:           several other reports in this page as well. Some student classification 
        !          2736: 
        !          2737:           reports also would be depicted here.</span></p>
        !          2738: 
        !          2739:         <p><span style='font-size:11.0pt;layout-grid-mode:line'>In Òproblem statsÓ 
        !          2740: 
        !          2741:           and Òstudent assessmentÓ pages, an instructor can limit the range of 
        !          2742: 
        !          2743:           his/her information to a particular section or a particular homework 
        !          2744: 
        !          2745:           set.&nbsp; So, an instructor would be able to load the statistics table 
        !          2746: 
        !          2747:           or student tries in Òstudent assessmentÓ table to a particular map or 
        !          2748: 
        !          2749:           section. </span><span style='font-size:11.0pt'>After changing the map 
        !          2750: 
        !          2751:           or section, he/she would be able to see the results via the recalculating 
        !          2752: 
        !          2753:           the computation on that page. </span><span style='font-size:11.0pt;
        !          2754: 
        !          2755: font-family:Arial;layout-grid-mode:line'></span></p>
        !          2756: 
        !          2757:         <h3><a name="_Toc421867143"><span style='layout-grid-mode:line'>Future 
        !          2758: 
        !          2759:           work, using activity.log to classify the students</span></a></h3>
        !          2760: 
        !          2761:         <p><span style='font-size:11.0pt'>The problem is whether we can find the 
        !          2762: 
        !          2763:           good features for <i>classifying</i></span><span style='font-size:
        !          2764: 
        !          2765: 11.0pt'> students? If so, we would be able to identify a <i>predictor</i></span><span
        !          2766: 
        !          2767: style='font-size:11.0pt'> for any individual student after doing a couple of homework 
        !          2768: 
        !          2769:           sets. With this information, we would be able to <i>help</i></span><span
        !          2770: 
        !          2771: style='font-size:11.0pt'> a student use the resources better.&nbsp; <span style='layout-grid-mode:line'>As 
        !          2772: 
        !          2773:           the first step of data mining stuff w</span>e want to make an initial 
        !          2774: 
        !          2775:           effort to classify the students. </span></p>
        !          2776: 
        !          2777:         <p><span style='font-size:11.0pt'>Preprocessing and finding the useful 
        !          2778: 
        !          2779:           student data and segmenting may be a difficult task. Internally, one 
        !          2780: 
        !          2781:           part of this data is stored in a student directory:</span></p>
        !          2782: 
        !          2783:         <p><span style='font-size:11.0pt'>&nbsp;</span><span style='font-size:11.0pt;font-family:"Courier New"'>/</span><span
        !          2784: 
        !          2785: style='font-size:9.0pt;font-family:"Courier New"'>home/httpd/lonUsers/<i>domain</i></span><span
        !          2786: 
        !          2787: style='font-size:9.0pt;font-family:"Courier New"'>/<i>1st.char</i></span><span
        !          2788: 
        !          2789: style='font-size:9.0pt;font-family:"Courier New"'>/<i>2nd.char</i></span><span
        !          2790: 
        !          2791: style='font-size:9.0pt;font-family:"Courier New"'>/<i>3rd.char</i></span><span
        !          2792: 
        !          2793: style='font-size:9.0pt;font-family:"Courier New"'>/<i>username</i></span><span
        !          2794: 
        !          2795: style='font-size:9.0pt;font-family:"Courier New"'>/</span></p>
        !          2796: 
        !          2797:         <p class=MsoHeader><span style='font-size:11.0pt'>For example: /home/httpd/lonUsers/msu/m/i/n/minaeibi/</span></p>
        !          2798: 
        !          2799:         <p><span style='font-size:11.0pt;layout-grid-mode:line'>Since spring semester 
        !          2800: 
        !          2801:           2002, LON-CAPA has logged every activity of every student who has used</span><span style='font-size:11.0pt'> 
        !          2802: 
        !          2803:           online educational resources and their recorded paths through the web. 
        !          2804: 
        !          2805:           So another part of data is stored in Òactivity.logÓ which is located 
        !          2806: 
        !          2807:           in course directory.</span></p>
        !          2808: 
        !          2809:         <p><span style='font-size:11.0pt'>The student data restored from .db files 
        !          2810: 
        !          2811:           in student directory and is fetched into a hash table. The special hash 
        !          2812: 
        !          2813:           keys Ò<i>keysÓ</i></span><span style='font-size:11.0pt'>, Ò<i>versionÓ</i></span><span
        !          2814: 
        !          2815: style='font-size:11.0pt'> and Ò<i>timestampÓ</i></span><span style='font-size:
        !          2816: 
        !          2817: 11.0pt'> were evaluated from the hash. The <i>version</i></span><span
        !          2818: 
        !          2819: style='font-size:11.0pt'> will be equal to the total number of versions of the 
        !          2820: 
        !          2821:           data that have been stored. The <i>timestamp</i></span><span style='font-size:
        !          2822: 
        !          2823: 11.0pt'> attribute is the UNIX time the data was stored. <i>keys</i></span><span
        !          2824: 
        !          2825: style='font-size:11.0pt'> is available in every historical section to list which 
        !          2826: 
        !          2827:           keys were added or changed at a specific historical revision of a hash. 
        !          2828: 
        !          2829:           We extract the features from a structured homework data, which is stored 
        !          2830: 
        !          2831:           as particular URLÕs. For example the result of solving homeworkÕs problem 
        !          2832: 
        !          2833:           by students could be extracted from </span><span style='font-size:9.0pt;
        !          2834: 
        !          2835: font-family:"Courier New"'><i>resource.partid.solved</i></span><span
        !          2836: 
        !          2837: style='font-size:11.0pt;font-family:"Courier New"'>, </span><span
        !          2838: 
        !          2839: style='font-size:11.0pt'>the total number of the students for solving the problem 
        !          2840: 
        !          2841:           could be extracted from </span><span style='font-size:9.0pt;font-family:
        !          2842: 
        !          2843: "Courier New"'><i>resource.partid.tries</i></span><span style='font-size:11.0pt;
        !          2844: 
        !          2845: font-family:"Courier New"'>,</span><span style='font-size:11.0pt'> and so forth.</span></p>
        !          2846: 
        !          2847:         <p><span style='font-size:11.0pt'>All data stored in activity.log includes 
        !          2848: 
        !          2849:           <i>user name</i></span><span style='font-size:11.0pt'>, <i>time</i></span><span
        !          2850: 
        !          2851: style='font-size:11.0pt'> and <i>resource URL</i></span><span style='font-size:
        !          2852: 
        !          2853: 11.0pt'>. We can divide these data into six types of URLs, listed below, according 
        !          2854: 
        !          2855:           to their importance for data mining: </span></p>
        !          2856: 
        !          2857:         <p style='line-height:150%'><span style='font-size:11.0pt'>1. <b><u>problems:</u></b></span><span
        !          2858: 
        !          2859: style='font-size:11.0pt'> are the most useful data. i.e.<b><u> </u></b></span><span
        !          2860: 
        !          2861: style='font-size:7.0pt'><b><u>msu/mmp/kap14/kap14.sequence___33___msu/mmp/kap14/problems/cd418a.problem</u></b></span> 
        !          2862: 
        !          2863:           <br>
        !          2864: 
        !          2865:           <span style='font-size:11.0pt'>2. <b>html pages</b></span><span
        !          2866: 
        !          2867: style='font-size:11.0pt'> to those are some links in the problems. i.e. </span><span
        !          2868: 
        !          2869: style='font-size:7.0pt'><b>msu/mmp/kap14/kap14.sequence___5___msu/mmp/kap14/cd396.htm</b></span> 
        !          2870: 
        !          2871:           <br>
        !          2872: 
        !          2873:           <span style='font-size:11.0pt'>3. <i>the images</i></span><span
        !          2874: 
        !          2875: style='font-size:11.0pt'>, which are loaded in above html pages. i.e. <i>/res/msu/mmp/kap14/picts/backsoun.gif</i></span><span
        !          2876: 
        !          2877: style='font-size:11.0pt'> .</span></p>
        !          2878: 
        !          2879:         <p style='line-height:150%'><span style='font-size:11.0pt'>4. <u>loncapa 
        !          2880: 
        !          2881:           routines</u>: i.e. <u>/adm/navmaps,</u>&nbsp; or&nbsp; <u>/adm/roles,</u> 
        !          2882: 
        !          2883:           or&nbsp; <u>/adm/logout</u>.<br>
        !          2884: 
        !          2885:           5. <i><u>Posted data</u></i></span><span style='font-size:11.0pt'> by 
        !          2886: 
        !          2887:           students: i.e. <i><u>resource.0.11.submission=27.11</u></i></span><span style='font-size:
        !          2888: 
        !          2889: 11.0pt'> <br>
        !          2890: 
        !          2891:           6. remote control gif files: i.e.: /res/adm/pages/v.gif </span></p>
        !          2892: 
        !          2893:         <p>So, activity.log usually grows fast, when students have more access 
        !          2894: 
        !          2895:           to the educational resources. We have brought a sample of different 
        !          2896: 
        !          2897:           types of data which are logged in activity.log after a preprocessing 
        !          2898: 
        !          2899:           phase as follows:&nbsp; </p>
        !          2900: 
        !          2901:         <p><u>144) 1010955846: studentX --&gt; /adm/navmaps</u> <br>
        !          2902: 
        !          2903:           <i>145) 1010955205: studentX --&gt; /res/msu/mmp/kap14/picts/beta_eqn.gif</i><span
        !          2904: 
        !          2905: style='font-style:normal'> <br>
        !          2906: 
        !          2907:           <u>146) 1010955685: studentX --&gt; /adm/navmaps</u> <br>
        !          2908: 
        !          2909:           <u>147) 1010955988: studentX --&gt; /adm/navmaps</u> <br>
        !          2910: 
        !          2911:           </span><span style='font-size:8.0pt'><b>148) 1010955998: studentX --&gt; 
        !          2912: 
        !          2913:           msu/mmp/kap14/kap14.sequence___5___msu/mmp/kap14/cd396.htm</b></span> 
        !          2914: 
        !          2915:           <br>
        !          2916: 
        !          2917:           <i>149) 1010955999: studentX --&gt; /res/msu/mmp/kap14/picts/velocity_eqn3.gif</i> 
        !          2918: 
        !          2919:           <br>
        !          2920: 
        !          2921:           <i>150) 1010956000: studentX --&gt; /res/msu/mmp/kap14/picts/time_eqn.gif</i><span style='font-style:normal'> 
        !          2922: 
        !          2923:           <br>
        !          2924: 
        !          2925:           151) 1010954609: studentX --&gt; /res/adm/pages/grds.gif <br>
        !          2926: 
        !          2927:           </span><i>152) 1010954611: studentX --&gt; /res/msu/mmp/wordproc.gif</i><span
        !          2928: 
        !          2929: style='font-style:normal'> <br>
        !          2930: 
        !          2931:           153) 1010954626: studentX --&gt; /res/adm/pages/i.gif <br>
        !          2932: 
        !          2933:           </span><span style='font-size:8.0pt'><b>154) 1010955717: studentX --&gt; 
        !          2934: 
        !          2935:           msu/mmp/kap14/kap14.sequence___1___msu/mmp/kap14/cd392.htm</b></span> 
        !          2936: 
        !          2937:           <br>
        !          2938: 
        !          2939:           <i>155) 1010955717: studentX --&gt; /res/msu/mmp/kap14/picts/backsoun.gif</i> 
        !          2940: 
        !          2941:           <br>
        !          2942: 
        !          2943:           <span style='font-size:8.0pt'><b>156) 1010955920: studentX --&gt; msu/mmp/kap14/kap14.sequence___3___msu/mmp/kap14/cd394.htm</b></span> 
        !          2944: 
        !          2945:           <br>
        !          2946: 
        !          2947:           <i>157) 1010955921: studentX --&gt; /res/msu/mmp/gifs/demo.gif</i><span
        !          2948: 
        !          2949: style='font-style:normal'> <br>
        !          2950: 
        !          2951:           158) 1010956113: studentX --&gt; /res/adm/pages/v.gif <br>
        !          2952: 
        !          2953:           159) 1010954629: studentX --&gt; /res/adm/pages/eval.gif <br>
        !          2954: 
        !          2955:           160) 1010954631: studentX --&gt; /res/adm/pages/back.gif <br>
        !          2956: 
        !          2957:           161) 1010954632: studentX --&gt; /res/adm/pages/b.gif <br>
        !          2958: 
        !          2959:           162) 1010954633: studentX --&gt; /res/adm/pages/r.gif <br>
        !          2960: 
        !          2961:           </span><span style='font-size:9.0pt'><b>163) 1010955754:</b></span><b> 
        !          2962: 
        !          2963:           studentX --&gt; msu/mmp/kap14/kap14.sequence___2___msu/mmp/kap14/cd393.htm</b><span
        !          2964: 
        !          2965: style='font-weight:normal'> <br>
        !          2966: 
        !          2967:           <i>164) 1010955756: studentX --&gt; /res/msu/mmp/kap14/picts/asound.jpg</i></span> 
        !          2968: 
        !          2969:           <br>
        !          2970: 
        !          2971:           <i>165) 1010955762: studentX --&gt; /res/msu/mmp/kap14/picts/sensor.jpg</i> 
        !          2972: 
        !          2973:           <br>
        !          2974: 
        !          2975:           <i>166) 1010955999: studentX --&gt; /res/msu/mmp/gifs2/example.gif</i><span
        !          2976: 
        !          2977: style='font-style:normal'> <br>
        !          2978: 
        !          2979:           173) 1010955687: studentX --&gt; /res/adm/pages/u.gif <br>
        !          2980: 
        !          2981:           174) 1010955688: studentX --&gt; /res/adm/pages/s.gif <br>
        !          2982: 
        !          2983:           175) 1010955688: studentX --&gt; /res/adm/pages/e.gif <br>
        !          2984: 
        !          2985:           </span><span style='font-size:9.0pt'><b>176) 1010956528:</b></span><b> 
        !          2986: 
        !          2987:           studentX</b><span
        !          2988: 
        !          2989: style='font-size:9.0pt'><b> --&gt; msu/mmp/kap14/kap14.sequence___33___msu/mmp/kap14/problems/cd418a.problem</b></span> 
        !          2990: 
        !          2991:           <br>
        !          2992: 
        !          2993:           <i><u>177) Sent data</u></i> <br>
        !          2994: 
        !          2995:           <span style='font-size:9.0pt'><b><u>178) 1010956536: </u></b></span><b><u>studentX</u></b><span
        !          2996: 
        !          2997: style='font-size:9.0pt'><u><b> --&gt;</b></u></span><b><u> </u></b><span
        !          2998: 
        !          2999: style='font-size:9.0pt'><u><b>msu/mmp/kap14/kap14.sequence___33___msu/mmp/kap14/problems/cd418a.problem</b></u></span> 
        !          3000: 
        !          3001:           <br>
        !          3002: 
        !          3003:           <i><u>179) Sent data HWVAL11=27.11</u></i> <br>
        !          3004: 
        !          3005:           <span style='font-size:9.0pt'><b><u>180) 1010956536:</u></b></span><b><u> 
        !          3006: 
        !          3007:           studentX</u></b><span style='font-size:9.0pt'><u><b> --&gt;</b></u></span><b><u> 
        !          3008: 
        !          3009:           </u></b><span style='font-size:9.0pt'><u><b>msu/mmp/kap14/kap14.sequence___33___msu/mmp/kap14/problems/cd418a.problem</b></u></span> 
        !          3010: 
        !          3011:           <br>
        !          3012: 
        !          3013:           <i><u>181) Sent data resource.0.11.submission=27.11</u></i> <br>
        !          3014: 
        !          3015:           <span style='font-size:9.0pt'><b><u>182) 1010956702: studentX --&gt; 
        !          3016: 
        !          3017:           msu/mmp/kap14/kap14.sequence___33___msu/mmp/kap14/problems/cd418a.problem</u></b></span> 
        !          3018: 
        !          3019:           <br>
        !          3020: 
        !          3021:           <span style='font-size:11.0pt'><i><u>183) Sent data</u></i></span><span
        !          3022: 
        !          3023: style='font-size:11.0pt'> <br>
        !          3024: 
        !          3025:           <i>184) 1010955921: studentX --&gt; /res/msu/mmp/kap14/picts/areal.gif</i></span><span
        !          3026: 
        !          3027: style='font-size:11.0pt'> <br>
        !          3028: 
        !          3029:           185) 1010955731: studentX --&gt; /res/adm/pages/n.gif <br>
        !          3030: 
        !          3031:           <br>
        !          3032: 
        !          3033:           </span></p>
        !          3034: 
        !          3035:         <p class=H5> <span
        !          3036: 
        !          3037: style='font-size:11.0pt;font-family:Symbol;font-weight:normal'>á<span
        !          3038: 
        !          3039: style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span> 
        !          3040: 
        !          3041:           <span
        !          3042: 
        !          3043: style='font-size:11.0pt;font-family:Arial'>Feature Extraction</span></p>
        !          3044: 
        !          3045:         <p class=MsoBodyText2>From these two types of student data which are stored 
        !          3046: 
        !          3047:           by the LON-CAPA system, the features may be considered for classifying 
        !          3048: 
        !          3049:           the students, are as follows: </p>
        !          3050: 
        !          3051:         <p> 1.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !          3052: 
        !          3053:           </span> Total number of correct answers. </p>
        !          3054: 
        !          3055:         <p> 2.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !          3056: 
        !          3057:           </span> Total number of tries for doing homework. </p>
        !          3058: 
        !          3059:         <p> 3.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !          3060: 
        !          3061:           </span> Time at which the student got the problem correct. Usually better 
        !          3062: 
        !          3063:           students get the homework completed earlier.</p>
        !          3064: 
        !          3065:         <p> 4.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !          3066: 
        !          3067:           </span> Reading the material before attempting homework vs. attempting 
        !          3068: 
        !          3069:           first and then read up on it.</p>
        !          3070: 
        !          3071:         <p> 5.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !          3072: 
        !          3073:           </span> Submitting a lot of attempts in a short amount of time without 
        !          3074: 
        !          3075:           looking up material in between, vs. those giving it one try, reading 
        !          3076: 
        !          3077:           up, submitting another one, etc.</p>
        !          3078: 
        !          3079:         <p> 6.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !          3080: 
        !          3081:           </span> Getting the problem right on the first try, vs. those with high 
        !          3082: 
        !          3083:           number of tries.</p>
        !          3084: 
        !          3085:         <p> 7.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !          3086: 
        !          3087:           </span> Giving up on a problem versus students continuing trying up 
        !          3088: 
        !          3089:           to the deadline.</p>
        !          3090: 
        !          3091:         <p> 8.<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp; 
        !          3092: 
        !          3093:           </span> Participating in the communication mechanisms, vs. those working 
        !          3094: 
        !          3095:           alone.</p>
        !          3096: 
        !          3097:         <p><br>
        !          3098: 
        !          3099:           It might be interesting to group students with time of the first log 
        !          3100: 
        !          3101:           on (beginning of assignment, middle of the week, last minute) and correlate 
        !          3102: 
        !          3103:           this with the number of tries or number of solved problems. A student 
        !          3104: 
        !          3105:           who gets all correct answers will not necessarily be in the successful 
        !          3106: 
        !          3107:           group if they took an average of 5 tries per problem, but it should 
        !          3108: 
        !          3109:           be verified from this research. </p>
        !          3110: 
        !          3111:         <p>We hope to find similar patterns of use in the data gathered from LON-CAPA, 
        !          3112: 
        !          3113:           and eventually be able to make predictions as to the most-beneficial 
        !          3114: 
        !          3115:           course of studies for each learner based on a limited number of variables 
        !          3116: 
        !          3117:           for each individual student. Based on the current state of the learner 
        !          3118: 
        !          3119:           in a learning sequence, the system could then make suggestions to the 
        !          3120: 
        !          3121:           learner as to how to proceed. </p>
        !          3122: 
        !          3123:       </form>
        !          3124: 
        !          3125:       <br
        !          3126: 
        !          3127: clear=ALL style='page-break-before:always;'>
        !          3128: 
        !          3129:       <div class=Section2> </div></div>
        !          3130: 
        !          3131:       <br clear=all>
        !          3132: 
        !          3133:       <hr align=left size=1 width="33%">
        !          3134: 
        !          3135:       <div id=ftn1> 
        !          3136: 
        !          3137:         <p class=MsoFootnoteText><a href="#_ftnref1"
        !          3138: 
        !          3139: name="_ftn1" title=""><span class=MsoFootnoteReference> [1] </span></a> If instructor 
        !          3140: 
        !          3141:           is going to port the statistics table data to Excel, he/she can select 
        !          3142: 
        !          3143:           the checkbox ÒOutput CSV formatÓ at top of the statistics table.</p>
        !          3144: 
        !          3145:       </div>
        !          3146: 
        !          3147:       <div id=ftn2> 
        !          3148: 
        !          3149:         <p class=MsoFootnoteText><a href="#_ftnref2"
        !          3150: 
        !          3151: name="_ftn2" title=""><span class=MsoFootnoteReference> [2] </span></a>&nbsp; 
        !          3152: 
        !          3153:           This name has been got from administration office of Michigan State 
        !          3154: 
        !          3155:           University for evaluating the examsÕ problem. Here we expanded this 
        !          3156: 
        !          3157:           expression to homework problems as well.</p>
        !          3158: 
        !          3159:       </div></span></span></span></span></span>
        !          3160: 
        !          3161:       
        !          3162: 
        !          3163: </body>
        !          3164: 
        !          3165: </html>
        !          3166: 

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