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).


itemanalysis_1.0 (2018-08-17)

  • initial release on CRAN

Reference manual

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1.0 by Cengiz Zopluoglu, 3 years ago

Browse source code at

Authors: Cengiz Zopluoglu

Documentation:   PDF Manual  

GPL (>= 2) license

Depends on ggplot2, polycor, car

See at CRAN