Classical Test Theory Functions


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Documentation for package ‘CTT’ version 1.0

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CTT-package Classical Test Theory Functions
CTT Classical Test Theory Functions
CTTdata Example Multiple-Choice Data
CTTkey Example Multiple-Choice Key
disattenuated.cor Function for disattentuated correlation
distractor.analysis Function for item distractor analysis
reliability Function for item reliability analysis
score Function to score the response files
score.transform Function for transforming scores onto different scales
spearman.brown Functions for Spearman-Brown "Prophecy" Formula
subscales Function to create subscales based on a design matrix