| Type: | Package |
| Title: | Item Response Theory Demo Collection |
| Version: | 0.1.5 |
| Date: | 2025-04-21 |
| Maintainer: | Metin Bulus <bulusmetin@gmail.com> |
| Description: | 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. |
| Depends: | R (≥ 3.2.4) |
| Imports: | shiny (≥ 0.13.2), fGarch (≥ 3010.82) |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| NeedsCompilation: | no |
| Packaged: | 2025-04-22 04:01:39 UTC; LENOVO |
| Author: | Metin Bulus [aut, cre], Wes Bonifay [aut, ctb] |
| Repository: | CRAN |
| Date/Publication: | 2025-04-22 04:20:02 UTC |
Item Response Theory Demo Collection
Description
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.
Usage
irtDemo(text)
Arguments
text |
argument in quotes referring to the name of shiny application. See details for the list of applications. |
Details
text argument can be one of the followings:
“
mle” for Maximum Likelihood Estimation“
est2pl” for Estimation in 2PL Model“
est3pl” for Estimation in 3PL Model“
eapmap” for Expected a Posteriori (EAP) and Maximum a Posteriori (MAP) Estimation“
dich” for Dichotomous IRT Models“
gpcm” for Generalized Partial Credit and Partial Credit Models“
grm” for Graded Response Model“
grsm” for Generalized Rating Scale and Rating Scale Models“
nrm” for Nominal Response Model“
mirt” for Multidimensional Item Response Theory Model
Author(s)
Metin Bulus bulusmetin@gmail.com and Wes Bonifay bonifayw@missouri.edu
References
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. doi: 10.34056/aujef.913781
Examples
## Not run:
irtDemo("eapmap")
irtDemo("mirt")
## End(Not run)