March, 2026

IRT for Small Sample Sizes

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

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R-Package BCSMMI

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

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