Showing 1 - 2 of 2 Research Library Publications

Differential Item Functioning Analysis of United States Medical Licensing Examination Step 1 Items

Posted: | Jonathan D. Rubright, Michael Jodoin, Stephanie Woodward, Michael A. Barone

Academic Medicine: Volume 97 - Issue 5 - Pages 718-722

 

The purpose of this 2019–2020 study was to statistically identify and qualitatively review USMLE Step 1 exam questions (items) using differential item functioning (DIF) methodology.

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

Impact of Both Local Item Dependencies and Cut-Point Locations on Examinee Classifications

Posted: | J. D. Rubright

Educational Measurement: Issues and Practice, 37: 40-45

 

This simulation study demonstrates that the strength of item dependencies and the location of an examination systems’ cut‐points both influence the accuracy (i.e., the sensitivity and specificity) of examinee classifications. Practical implications of these results are discussed in terms of false positive and false negative classifications of test takers.

Category:Assessment-Oriented Research, General Measurement, Scoring