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Item Response Theory Demo Collection

The package can be installed and loaded as:

install.packages("irtDemo")
library(irtDemo)

Example usage:

irtDemo("eapmap")
irtDemo("mirt")
irtDemo("mle")
irtDemo("est2pl")
irtDemo("est3pl")

Shiny web applications:
https://irtdemo.shinyapps.io/eapmap/
https://irtdemo.shinyapps.io/mirt/
https://irtdemo.shinyapps.io/mlest/
https://irtdemo.shinyapps.io/est2pl/
https://irtdemo.shinyapps.io/est3pl/

Bulus, M., & Bonifay, W. (2022). irtDemo R Package: Pedagogical Interactive Web Applications for Estimation, Scoring, and Multi Dimensionality in Item Response Theory. Anadolu University Journal of Education Faculty, 6(1), 92-108. https://doi.org/10.34056/aujef.913781

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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