xxIRT: Item Response Theory and Computer-Based Testing in R

A suite of psychometric analysis tools for research and operation, including: (1) computation of probability, information, and likelihood for the 3PL, GPCM, and GRM; (2) parameter estimation using joint or marginal likelihood estimation method; (3) simulation of computerized adaptive testing using built-in or customized algorithms; (4) assembly and simulation of multistage testing. The full documentation and tutorials are at <https://github.com/xluo11/xxIRT>.

Getting started

Package details

AuthorXiao Luo [aut, cre]
MaintainerXiao Luo <xluo1986@gmail.com>
LicenseGPL (>= 3)
URL https://github.com/xluo11/xxIRT
Package repositoryView on CRAN
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xxIRT documentation built on May 1, 2019, 7:11 p.m.