xxIRT (2.0.3)

Practical Item Response Theory and Computer-Based Testing in R.


An implementation of item response theory and computer-based testing based on the 3-parameter-logistic (3PL) model, with functions to perform (i) parameter estimation, (2) automated test assembly, (3) computerized adaptive testing (CAT) simulation, and (4) multistage assembly and simulation. More documentation at .

Maintainer: Xiao Luo
Author(s): Xiao Luo [aut, cre]

License: GPL (>= 3)

Uses: dplyr, ggplot2, lpSolveAPI, magrittr, reshape2, testthat

Released over 2 years ago.