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1. DAACS-Math-IRT-DIF DAACS-Math-IRT-DIF Public

   R code for psychometric modeling of the DAACS Math diagnostic: 2PL IRT and DIF

2. documentation documentation Public

   Forked from DAACS/documentation

   Documentation for DAACS.

   HTML

3. DAACS-Math-Bayesian-DIF DAACS-Math-Bayesian-DIF Public

   Python/Pyro scripts for Bayesian logistic DIF detection on DAACS Math assessment

   Jupyter Notebook

4. DAACS-Reading-Bifactor-DIF DAACS-Reading-Bifactor-DIF Public

   R scripts for bifactor 2PL IRT modeling, DIF detection, and validity evaluation of the DAACS Reading test

5. cat-mst-qa-pipeline cat-mst-qa-pipeline Public

   Config-driven QA workflow for CAT/MST item-response datasets in R. Produces item counts/ranges and response-count plots to support calibration, equating, and drift analyses.

   R

6. daacs-math-data-pipeline daacs-math-data-pipeline Public

   R scripts for preparing, QA-checking, combining, and summarizing DAACS mathematics assessment data across institutions and waves.

   R