The R-Package BCSMIRT (R Code and Packages) provides software for fitting a BCSM (two-parameter) IRT model for small sample sizes. The underlying...

The R-package BCMSMI is published under R Code and Packages, it supports a Bayesian covariance analysis of DIF (differential item functioning) of...

Statistical Methods in Medical Research presents a Special Issue on IRT in Medical Studies where new developments in this research area are...