Name: psychometric
Price range: $$

Author: Thomas D. Fletcher
Contact: https://cran.r-project.org/web/packages/psychometric/index.html
Description: Contains functions useful for correlation theory, meta-analysis (validity-generalization), reliability, item analysis, inter-rater reliability, and classical utility
Analyses: DIF; Simulation/Resampling
System Requirements: Windows, Mac, Linux
Measurement Model: Classical
License Type: Open-Source (R)
Documentation: http://cran.wustl.edu/web/packages/psychometric/psychometric.pdf

Software License

Open-Source (R)

Measurement Model

Classical Test Theory

Analysis

Differential Item Functioning; Simulation/Resampling