CTT: Classical Test Theory Functions
Version 2.3

A collection of common test and item analyses from a classical test theory (CTT) framework. Analyses can be applied to both dichotomous and polytomous data. Functions provide reliability analyses (alpha), item statistics, disctractor analyses, disattenuated correlations, scoring routines, and empirical ICCs.

Package details

AuthorJohn T. Willse
Date of publication2017-11-03 23:42:45 UTC
MaintainerJohn T. Willse <[email protected]>
LicenseGPL (>= 2)
Version2.3
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("CTT")

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CTT documentation built on Nov. 17, 2017, 8:09 a.m.