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

The Cogent3 Study: Examining Gender’s Impact on Education and Cognition Trends in Three American Generations

Posted: | Shana Stites, Hannah Cao, Jeanine Gill, Kristin Harkins, Jonathan Rubright, Jason Flatt

Innovation in Aging, Volume 4, Issue Supplement_1, 2020, Pages 696-697

 

This presentation describes the framework informing our approach and present results from analyses of gender effects in The Health and Retirement Study that examine gender differences in the associations observed between education and cognitive measures in older adults.

Category:Health Professions