---------
Locking the D position
---------

//This is the auxilary file for the Nof4 tool, it maps and scrambles the
//statements and answers
//
/LET m=choose(mix1,s1a,s1b,s1c,s1d)
/LET a=choose(mix1,a1a,a1b,a1c,a1d)
/LET n=choose(mix2,s2a,s2b,s2c,s2d)
/LET b=choose(mix2,a2a,a2b,a2c,a2d)
/LET o=choose(mix3,s3a,s3b,s3c,s3d)
/LET c=choose(mix3,a3a,a3b,a3c,a3d)
/LET p=choose(mix4,s4a,s4b,s4c,s4d)
/LET d=choose(mix4,a4a,a4b,a4c,a4d)
/LET seed=random(1,300,1)
/MAP(seed;M1,M2,M3;m,n,o)
/LET M4=p
/LET it=tex("\item[] ","")
/DIS(tex("\begin{choicelist}",""))
/DIS(it) A) /DIS (M1)
/DIS(it) B) /DIS (M2)
/DIS(it) C) /DIS (M3)
/DIS(it) D) /DIS (M4)
/DIS(tex("\end{choicelist}",""))
/MAP(seed;b1,b2,b3;a,b,c)
/LET b4=d
/LET NM1=b1*(b1==1)+1
/LET NM2=b2*(b2==1)+1
/LET NM3=b3*(b3==1)+1
/LET NM4=b4*(b4==1)+1
/LET lett1=choose(NM1,"","A")
/LET lett2=choose(NM2,"","B")
/LET lett3=choose(NM3,"","C")
/LET lett4=choose(NM4,"","D")
/LET Nof4right=lett1+lett2+lett3+lett4
//*************************************************************************


---------
Locking all positions
---------
//This is the auxilary file for the Nof4 tool, it maps and scrambles the
//statements and answers
//
/LET m=choose(mix1,s1a,s1b,s1c,s1d)
/LET a=choose(mix1,a1a,a1b,a1c,a1d)
/LET n=choose(mix2,s2a,s2b,s2c,s2d)
/LET b=choose(mix2,a2a,a2b,a2c,a2d)
/LET o=choose(mix3,s3a,s3b,s3c,s3d)
/LET c=choose(mix3,a3a,a3b,a3c,a3d)
/LET p=choose(mix4,s4a,s4b,s4c,s4d)
/LET d=choose(mix4,a4a,a4b,a4c,a4d)
/LET seed=random(1,300,1)
/LET M1=m
/LET M2=n
/LET M3=o
/LET M4=p
/LET it=tex("\item[] ","")
/DIS(tex("\begin{choicelist}",""))
/DIS(it) A) /DIS (M1)
/DIS(it) B) /DIS (M2)
/DIS(it) C) /DIS (M3)
/DIS(it) D) /DIS (M4)
/DIS(tex("\end{choicelist}",""))
/LET b1=a
/LET b2=b
/LET b3=c
/LET b4=d
/LET NM1=b1*(b1==1)+1
/LET NM2=b2*(b2==1)+1
/LET NM3=b3*(b3==1)+1
/LET NM4=b4*(b4==1)+1
/LET lett1=choose(NM1,"","A")
/LET lett2=choose(NM2,"","B")
/LET lett3=choose(NM3,"","C")
/LET lett4=choose(NM4,"","D")
/LET Nof4right=lett1+lett2+lett3+lett4
//*************************************************************************