Popular repositories Loading

1. DAACS-Math-Bayesian-DIF DAACS-Math-Bayesian-DIF Public

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

   Jupyter Notebook 1

2. cifs-head-start-sem-reproducibility cifs-head-start-sem-reproducibility Public

   Reproducible analytic materials for a published study: matched observational data, SEM, and measurement invariance testing to examine preschool academic and social outcomes; data auditing and clean…

   1

3. llm-assisted-psychometrics_reading llm-assisted-psychometrics_reading Public

   An end-to-end R pipeline for the DAACS reading assessment. Features reproducible data standardization, LLM-assisted item harmonization, and advanced IRT modeling (Rasch, 2PL, Bifactor) to evaluate …

   R 1

4. fuzzy-matching-psychometrics_math fuzzy-matching-psychometrics_math Public

   End-to-end R pipeline for DAACS math assessment data engineering and fairness testing: multi-wave data standardization, fuzzy item harmonization via string-distance matching, and multivariable logi…

   R 1

5. powered-dif-analysis_traditional-students powered-dif-analysis_traditional-students Public

   An ongoing applied psychometric study investigating Differential Item Functioning (DIF) and measurement invariance in DAACS assessments for traditional college-age students (17-18). This research h…

   R 1

6. DAACS-Math-IRT-DIF DAACS-Math-IRT-DIF Public

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