Showing 1 - 2 of 2 Research Library Publications

Application of Sampling Variance of Item Response Theory Parameter Estimates in Detecting Outliers in Common Item Equating

Posted: | Chunyan Liu, Daniel Jurich

Applied Psychological Measurement: Volume 46, issue 6, page(s) 529-547

 

The current simulation study demonstrated that the sampling variance associated with the item response theory (IRT) item parameter estimates can help detect outliers in the common items under the 2-PL and 3-PL IRT models. The results showed the proposed sampling variance statistic (SV) outperformed the traditional displacement method with cutoff values of 0.3 and 0.5 along a variety of evaluation criteria.

Category:Assessment-Oriented Research, General Measurement

An Examination of the Associations Among USMLE Step 3 Scores and Likelihood of Disciplinary Action in Practice

Posted: | Monica M. Cuddy, Chunyan Liu, Wenli Ouyang, Michael A. Barone, Aaron Young, David A. Johnson

Academic Medicine: June 2022

 

This study examines the associations between Step 3 scores and subsequent receipt of disciplinary action taken by state medical boards for problematic behavior in practice. It analyzes Step 3 total, Step 3 computer-based case simulation (CCS), and Step 3multiple-choice question (MCQ) scores.

Category:Product-Oriented Research, USMLE, Assessment-Oriented Research, Reliability/Validity, Links to Outcomes