Item Response Theory Demo Collection R package irtDemo version 0.1.5 CRAN Task View: Psychometrics (https://CRAN.R-project.org/view=Psychometrics) Includes a collection of shiny applications to demonstrate or to explore fundamental item response theory (IRT) concepts such as estimation, scoring, and multidimensional IRT models. Software Depends: R (>= 3.2.4) Imports: shiny (>= 0.13.2), fGarch (>= 3010.82) Metin Bulus <bulusmetin@gmail.com> Comprehensive R Archive Network (CRAN) Metin Bulus [aut, cre], Wes Bonifay [aut, ctb] GPL (>= 2) 2025-04-22 application/tgz https://CRAN.R-project.org/package=irtDemo doi:10.32614/CRAN.package.irtDemo