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Gierl, Mark J.; Lai, Hollis; Li, Johnson – Educational Research and Evaluation, 2013
The purpose of this study is to evaluate the performance of CATSIB (Computer Adaptive Testing-Simultaneous Item Bias Test) for detecting differential item functioning (DIF) when items in the matching and studied subtest are administered adaptively in the context of a realistic multi-stage adaptive test (MST). MST was simulated using a 4-item…
Descriptors: Adaptive Testing, Test Bias, Computer Assisted Testing, Test Items
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Kline, Rex B. – Educational Research and Evaluation, 2013
Test fairness and test bias are not synonymous concepts. Test bias refers to statistical evidence that the psychometrics or interpretation of test scores depend on group membership, such as gender or race, when such differences are not expected. A test that is grossly biased may be judged to be unfair, but test fairness concerns the broader, more…
Descriptors: Factor Analysis, Social Justice, Psychometrics, Test Bias