Name: GGUM2004
Price range: $$

Author: Roberts, James
Contact: http://prdlab.gatech.edu/unfolding/freesoftware/
Description: GGUM2004 is a Windows-based program that estimates parameters in the generalized graded unfolding model (GGUM; Roberts, Donoghue, & Laughlin, 2000).
Analyses: Factor/Latent Structure; Item & Test Analysis; Latent Class Models; Multidimensional Models; Multilevel Data; Simulation/Resampling
System Requirements: Windows
Measurement Model: IRT/Rasch
License Type: Freeware
Documentation: PDF manual; worked examples

Software License

Freeware

Measurement Model

Item Response Theory; Rasch

Analysis

Factor/Latent Structure; Item & Test Analysis; Latent Class Models; Multidimensional Models; Multilevel Data; Simulation/Resampling