mirt

Multidimensional item response theory

The Model Zoo of Cognitive Diagnosis Models, including classic Item Response Ranking (IRT), Multidimensional Item Response Ranking (MIRT), Deterministic Input, Noisy "And" model(DINA), and advanced Fuzzy Cognitive Diagnosis Framework (FuzzyCDF), Neural Cognitive Diagnosis Model (NCDM) and Item Response Ranking framework (IRR).

MIRT: Michigan Image Reconstruction Toolbox (Julia version)

psymetrics provides a unified workflow to extract, compare, format, and visualize psychometric model results across R packages like lavaan, psych, and mirt.

R package for automated exploratory factor analysis: greedy AIC/BIC search over factor structures and IRT models for complex multilevel data.

Visualizing and analyzing tests using (M)IRT in R. See current stable version:

Unidimensional IRT models using mirt

Item Response Theory(irt)项目反应理论

Rasch model analysis of a 15-item dichotomous culture knowledge test using R, including reliability, dimensionality, item fit, local dependence, and person-item analysis

🧠 Explore Item Response Theory (IRT) to enhance AI-based adaptive testing with accurate measurements and improved assessment techniques.