R: Classical Test Theory (CTT) Analysis

# Classical Test Theory (CTT) Analysis

## Documentation for package ‘classicaltest’ version 0.7.5

- DESCRIPTION file
- Package NEWS

## Help Pages

alphatest | Reliability measures
classicaltest | Classical test theory item and person statistics
correct | Scoring correct/incorrect answers
ctitem | Classical test theory item statistics
ctperson | Classical test theory person statistics
ctsem.alpha | Standard error of measurement (SEM)
ctsem.split | Standard error of measurement (SEM)
dichodata | Simulated multiple choice data with 1000 cases, and 20 items
dichokey | Keys for dichodata
dichotomize | Dichotomize data
discrimination | Item discrimination
distractors | Distractor statistics
itemmean | Item mean scores
partialdata | Simulated multiple choice data with 1000 cases, and 20 items and partial credits
partialkey | Keys for partialdata
pointbiserial | Point-biserial correlation
polydata | Simulated polytomous items data with 1000 cases, and 20 items
splithalf | Reliability measures
stcov | Population and sample (co)variance