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Donoghue, John R.; Allen, Nancy L. – 1991
This Monte Carlo study examined strategies for forming the matching variable for the Mantel-Haenszel (MH) differential item functioning (DIF) procedure. Data were generated using a three-parameter logistic item response theory model, with common guessing parameters. The number of subjects and test length were manipulated, as were the difficulty,…
Descriptors: Comparative Analysis, Difficulty Level, Equations (Mathematics), Item Bias
Download full textPark, Chung; Allen, Nancy L. – 1994
This study is part of continuing research into the meaning of future National Assessment of Educational Progress (NAEP) science scales. In this study, the test framework, as examined by NAEP's consensus process, and attributes of the items, identified by science experts, cognitive scientists, and measurement specialists, are examined. Preliminary…
Descriptors: Communication (Thought Transfer), Comparative Analysis, Construct Validity, Content Validity
