Showing 1 - 2 of 2 Research Library Publications

An Experimental Comparison of Multiple-Choice and Short-Answer Questions on a High-Stakes Test for Medical Students

Posted: | Janet Mee, Ravi Pandian, Justin Wolczynski, Amy Morales, Miguel Paniagua, Polina Harik, Peter Baldwin, Brian E. Clauser

Advances in Health Sciences Education

 

Recent advancements enable replacing MCQs with SAQs in high-stakes assessments, but prior research often used small samples under low stakes and lacked time data. This study assesses difficulty, discrimination, and time in a large-scale high-stakes context

Category:Assessment-Oriented Research, Links to Outcomes, General Measurement

Outlier Detection Using t-test in Rasch IRT Equating under NEAT Design

Posted: | Chunyan Liu, Dan Jurich

Applied Psychological Measurement: Volume 47, issue 1, page(s) 34-47

 

This study used simulation to investigate the performance of the t-test method in detecting outliers and compared its performance with other outlier detection methods, including the logit difference method with 0.5 and 0.3 as the cutoff values and the robust z statistic with 2.7 as the cutoff value.

Category:Assessment-Oriented Research, Scoring