irtDemo: Item Response Theory Demo Collection

In irtDemo: 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 refering to a demo. See details for demos available in the package.

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

Note

irtDemo calls runGist function in shiny package, which requires internet connection.

Author(s)

Metin Bulus [email protected] and Wes Bonifay [email protected]

Examples

## Not run: 

    irtDemo("eapMap")
    irtDemo("mirt")
    
## End(Not run)

irtDemo documentation built on May 29, 2017, 12:16 p.m.