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Download full textLiu, Jinghua; Zu, Jiyun; Curley, Edward; Carey, Jill – ETS Research Report Series, 2014
The purpose of this study is to investigate the impact of discrete anchor items versus passage-based anchor items on observed score equating using empirical data.This study compares an "SAT"® critical reading anchor that contains more discrete items proportionally, compared to the total tests to be equated, to another anchor that…
Descriptors: Equated Scores, Test Items, College Entrance Examinations, Comparative Analysis
Liu, Jinghua; Low, Albert C. – ETS Research Report Series, 2007
This study applied kernel equating (KE) in two scenarios: equating to a very similar population and equating to a very different population, referred to as a distant population, using SAT® data. The KE results were compared to the results obtained from analogous classical equating methods in both scenarios. The results indicate that KE results are…
Descriptors: College Entrance Examinations, Equated Scores, Comparative Analysis, Evaluation Methods
