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Download full textOshima, T. C.; And Others – 1993
The purpose of this study was to introduce a procedure to detect differential item functioning (DIF) particularly suitable for criterion-referenced tests and to demonstrate how this approach would affect the identification of DIF items using real data sets. The procedure based on item response theory (IRT) assesses DIF at a limited closed interval…
Descriptors: Ability, Criterion Referenced Tests, Cutting Scores, Data Analysis
Peer reviewedGriffith, Priscilla L.; And Others – Journal of Research in Education, 1992
Describes the use of Rasch item statistics for curricular analysis and instructional decision making. Uses a case study of application of the Rasch model in the pilot testing of items selected for criterion-referenced tests developed for grades one through eight in Charleston (South Carolina) schools. (SLD)
Descriptors: Ability, Case Studies, Criterion Referenced Tests, Curriculum Development
