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catIrt  

Simulate IRT-Based Computerized Adaptive Tests
View on CRAN: Click here


Download and install catIrt package within the R console
Install from CRAN:
install.packages("catIrt")

Install from Github:
library("remotes")
install_github("cran/catIrt")

Install by package version:
library("remotes")
install_version("catIrt", "0.5.1")



Attach the package and use:
library("catIrt")
Maintained by
Steven Nydick
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2012-08-01
Latest Update: 2022-05-25
Description:
Functions designed to simulate data that conform to basic unidimensional IRT models (for now 3-parameter binary response models and graded response models) along with Post-Hoc CAT simulations of those models given various item selection methods, ability estimation methods, and termination criteria. See Wainer (2000) , van der Linden & Pashley (2010) , and Eggen (1999) for more details.
How to cite:
Steven Nydick (2012). catIrt: Simulate IRT-Based Computerized Adaptive Tests. R package version 0.5.1, https://cran.r-project.org/web/packages/catIrt. Accessed 18 Sep. 2026.
Previous versions and publish date:
(2026-07-09 07:24), 0.2-1 (2012-08-01 14:26), 0.3-0 (2012-09-15 07:11), 0.4-0 (2013-04-25 22:45), 0.4-1 (2013-05-31 20:28), 0.4-2 (2014-06-21 17:35), 0.5-0 (2014-10-05 07:43)
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Complete documentation for catIrt
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