Showing 1 - 2 of 2 Research Library Publications

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

When Examinees Cannot Test: The Pandemic's Assault on Certification and Licensure

Posted: | M. G. Jodoin, J. D. Rubright

Educational Measurement: Issues and Practice

 

This short, invited manuscript focuses on the implications for certification and licensure assessment organizations as a result of the wide‐spread disruptions caused by the COVID-19 pandemic. 

Category:Product-Oriented Research, NBME, USMLE