Man pages for CTT
Classical Test Theory Functions

CTTdataExample Multiple-Choice Data
cttICCFunction for producing theoretical and empirical item...
CTTkeyExample Multiple-Choice Key
CTT-packageClassical Test Theory Functions
disattenuated.corFunction for disattentuated correlation
distractor.analysisFunction for item distractor analysis
distractorAnalysisFunction for item distractor analysis
itemAnalysisFunction for item reliability analysis
polyserialFunction for calculating polyserial correlations
reliabilityFunction for item reliability analysis
scoreFunction to score the response files
score.transformFunction for transforming scores onto different scales
spearman.brownFunctions for Spearman-Brown "Prophecy" Formula
subscalesFunction to create subscales based on a design matrix
CTT documentation built on May 2, 2019, 1:08 p.m.