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Direct linkMeyers, Jason L.; Miller, G. Edward; Way, Walter D. – Applied Measurement in Education, 2009
In operational testing programs using item response theory (IRT), item parameter invariance is threatened when an item appears in a different location on the live test than it did when it was field tested. This study utilizes data from a large state's assessments to model change in Rasch item difficulty (RID) as a function of item position change,…
Descriptors: Test Items, Test Content, Testing Programs, Simulation
Peer reviewedHarker, Jill K.; Feldt, Leonard – Applied Measurement in Education, 1993
Average performance on subtests of the Iowa Tests of Educational Development was compared for 177 high school students taking the test under silent reading (standardized) conditions and time limits and students listening to audiotapes of test material as they read the test. Poor readers were helped by the tapes. (SLD)
Descriptors: Achievement Tests, Audiotape Recordings, Comparative Analysis, High School Students
