xxIRT (2.0.0)

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


An implementation of item response theory (IRT) and computer-based testing in R. It is designed for bridging the gap between theoretical advancements in psychometric research and their applications in practice. Currently, it consists of five modules: (1) common IRT functions, (2) estimation procedures, (3) automated test assembly framework, (4) computerized adaptive testing framework, (5) multistage testing framework. See detailed documentation at .

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

License: GPL (>= 2)

Uses: ggplot2, lpSolveAPI, reshape2, shiny

Released about 3 years ago.