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Download full textMoses, Tim; Liu, Jinghua; Tan, Adele; Deng, Weiling; Dorans, Neil J. – ETS Research Report Series, 2013
In this study, differential item functioning (DIF) methods utilizing 14 different matching variables were applied to assess DIF in the constructed-response (CR) items from 6 forms of 3 mixed-format tests. Results suggested that the methods might produce distinct patterns of DIF results for different tests and testing programs, in that the DIF…
Descriptors: Test Construction, Multiple Choice Tests, Test Items, Item Analysis
Dorans, Neil J.; Zeller, Karin – ETS Research Report Series, 2004
In an article published in the spring 2003 issue of "Harvard Educational Review", Roy Freedle stated that the SAT® is both culturally and statistically biased. Freedle proposed a solution to this bias, which involved using a half-test made up of the most difficult items culled from complete SAT examination. His claims, which garnered…
Descriptors: Scores, Scoring, Equated Scores, College Entrance Examinations
Dorans, Neil J. – College Entrance Examination Board, 2000
Distinctions were made between three classes of statistical linkage: equivalence, concordance, and prediction. These distinctions were based on rational content considerations and empirical statistical relationships. A large database involving SAT I and ACT scores was used to determine which type of linkage was best suited for different scores and…
Descriptors: Statistical Analysis, Prediction, Scores, Standardized Tests
