File:  [LON-CAPA] / doc / homework / analyze_structure
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Mon Aug 20 21:58:22 2007 UTC (16 years, 8 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- adding docs for the analyze target

    1: parts - array of identifiers for responses that have registered
    2:         themselves in order that they occur in the problem.
    3: 	The identifiers have the format
    4: 
    5:    $part_id.$response_id
    6:        
    7:         and they will prefix all other keys that are associated with the 
    8:         associated response
    9: 
   10: 
   11: For the rest of the keys $prefix will be a entry from the above parts array
   12: 
   13:     - $prefix.answercomputed - will be set to 1 if it's been detected
   14:                                that the correct answer is calculated (and
   15:                                then likely to vary on a per student basis)
   16:                                or statically set (and thus likely the same
   17:                                for each student)
   18: 
   19: <numerical/formularesponse>
   20: 
   21:     - $prefix.type - either 'numericalresponse or 'formularesponse'
   22: 
   23:     - $prefix.incorrect - array of the values that are in the incorrect
   24:                           attribute for a numericalresponse 
   25: 
   26: 
   27:     For each of these, the value is a hash, with keys that are the
   28:     value of the name attribute of the associated <answer>, the value
   29:     of that is an array for each component of the answer
   30: 
   31:     For example
   32: 
   33:      $analyze{"$prefix.answer"}{$name}[1]
   34: 
   35:     is the second component of the ansser $name for the response $prefix
   36: 
   37: 
   38:         - $prefix.answer   - the correct answer
   39:         - $prefix.unit     - the unit for the correct answer
   40:         - $prefix.ans_high - for ranged answers the highest allowed answer
   41:         - $prefix.ans_low  - for ranged answers the lowest allowed answer
   42:         - $prefix.format   - the format specification for displaying the
   43:                              correct answer
   44: 
   45: 
   46: <stringresponse>
   47: 
   48:     - $prefix.type - will be 'stringresponse'
   49: 
   50:     For each of these, the value is a hash, with keys that are the
   51:     value of the name attribute of the associated <answer>, the value of
   52:     that is an array for each component of the answer
   53: 
   54:     For example
   55: 
   56:       $analyze{"$prefix.answer"}{$name}[1]
   57: 
   58:     is the second component of the answser $name for the response $prefix
   59: 
   60:         - $prefix.answer   - the correct answer
   61:         - $prefix.str_type - the type of answer (either 'mc' 'cs' 'ci' 're')
   62: 
   63: 
   64: 
   65: 
   66: <image/match/option/radiobutton/rank response>
   67: 
   68:     - $prefix.foils - a list of all names seen from the <foil>s name attribute
   69:     - $prefix.shown - a list of all <foil> names that were actually shown to
   70:                      this user (in the order that they were displayed to them)
   71: 
   72:     - $prefix.concepts - (only appears if <conceptgroup> is used) 
   73:                      a list of all the concept attributes for each
   74:                      <conceptgroup>s that appears 
   75: 
   76:     For each of the possible <conceptgroup> concepts from the
   77:     $prefix.concepts array there is a
   78: 
   79:         - $prefix.concept.$concept - the array of <foil> names associated 
   80:                                      with $concept
   81: 
   82:     For each of the possible <foil> names from the $prefix.foils array
   83:     there is a
   84: 
   85:         - $prefix.foil.value.$name - the correct value for this <foil> (from
   86:                                      the <foil>'s value attribute)
   87: 
   88:         - $prefix.foil.text.$name - the text that was displayed to the student
   89:                                     as the text for this foil
   90: 
   91:     For <rank/radiobutton/option/match response> there is also
   92: 
   93:         - $prefix.foil.location.$name - the value of the location
   94:                                         attribute for the
   95:                                         value tag (expected to be
   96:                                         either 'top',
   97:                                        'bottom', or 'random' if blank,
   98:                                        assumed to be 'random' 
   99: 
  100: 
  101: 
  102: <imageresponse>
  103:     - $prefix.foil.image.$name - the url of the image that is displayed
  104:                                  to the user
  105: 
  106:     - $prefix.foil.area.$name - the area of the image that is set as correct
  107: 
  108: 
  109: <matchresponse>
  110: 
  111:     - $prefix.items - array of the names of the <item>s 
  112: 
  113: <optionresponse>
  114: 
  115:     - $prefix.options - array of all possible selectable options 
  116:                         (from the <foilgroup>)
  117: 
  118: <radiobuttonresponse>
  119: 
  120:     - $prefix.options - array of all possible selectable options 
  121:                         (which will always be 'true' and 'false')
  122: 
  123: 
  124: <rankresponse>
  125: 
  126:     - $prefix.tol - the tolerance to apply when checking if two <foil>s
  127:                     are equivalent or not
  128: 
  129: 

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