Name: equateIRT
Price range: $$

Author: Michela Battauz
Contact: https://cran.r-project.org/web/packages/equateIRT
Description: This package computes direct, chain and average (bisector) equating coefficients with standard errors using IRT methods for dichotomous items. The IRT models included are the three-parameter logistic model, the two-parameter logistic model, the one-parameter logistic model and the Rasch model.
Analyses: DIF; Dimensionality; Factor/Latent Structure; Reliability; Scaling; Scoring; Simulation/Resampling; MCMC
System Requirements: Windows, Mac OS, & Linux
Measurement Model: IRT/Rasch
License Type: Open-Source (R)
Documentation: User manual in pdf

Software License

Open-Source (R)

Measurement Model

Item Response Theory; Rasch

Analysis

Differential Item Functioning; Dimensionality; Factor/Latent Structure; Reliability; Scaling; Scoring; Simulation/Resampling;