flexMIRT

Author: L. Cai
Contact: https://vpgcentral.com/software/
Description: Vector Psychometric Group, LLC is pleased to offer their IRT software flexMIRT, a multilevel, multidimensional, and multiple group item response theory (IRT) software package for item analysis and test scoring. flexMIRT fits a variety of unidimensional and multidimensional item response theory models (also known as item factor analysis models) to single-level and multilevel data in any number of groups.
Analyses: Item & Test Analysis; Person Fit/Cheating; Rater Effects; Scaling
System Requirements: Windows
Measurement Model: IRT/Rasch
License Type: Commercial
Documentation: trial version; free to students w academic license