createItemBank |
Item bank generation |
eapEst |
EAP ability estimation under the 4PL model |
eapSem |
Standard error of EAP ability estimation under the 4PL model |
EPV |
Expected Posterior Variance (EPV) |
Ii |
Item information functions, first and second derivatives (4PL) |
MEI |
(Maximum) Expected Information (MEI) |
MWI |
Maximum likelihood weighted information (MLWI) and maximum posterior weighted information (MPWI) |
nextItem |
Selection of the next item |
OIi |
Observed information function (4PL) |
Pi |
Item response probabilities, first, second and third derivatives (4PL) |
plot.cat |
Random generation of adaptive tests |
print.cat |
Random generation of adaptive tests |
randomCAT |
Random generation of adaptive tests |
semTheta |
Standard error of ability estimation under the 4PL model |
startItems |
Selection of the first items |
tcals |
Items parameters of the TCALS 1998 data set and subgroups of items |
test.cbList |
Testing the format of the list for content balancing |
testList |
Testing the format of the input lists |
thetaEst |
Ability estimation under the 4PL model |