itemanalysis: Classical Test Theory Item Analysis

Runs classical item analysis for multiple-choice test items and polytomous items (e.g., rating scales). The statistics reported in this package can be found in any measurement textbook such as Crocker and Algina (2006, ISBN:9780495395911).

Version: 1.1
Depends: ggplot2, polycor, car
Published: 2022-06-14
DOI: 10.32614/CRAN.package.itemanalysis
Author: Cengiz Zopluoglu
Maintainer: Cengiz Zopluoglu <cen.zop at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Materials: NEWS
CRAN checks: itemanalysis results


Reference manual: itemanalysis.pdf


Package source: itemanalysis_1.1.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): itemanalysis_1.1.tgz, r-oldrel (arm64): itemanalysis_1.1.tgz, r-release (x86_64): itemanalysis_1.1.tgz, r-oldrel (x86_64): itemanalysis_1.1.tgz
Old sources: itemanalysis archive


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