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Braun, Henry; Zhang, Jinming; Vezzu, Sailesh – Educational Evaluation and Policy Analysis, 2010
This article investigates plausible explanations for the observed heterogeneity among jurisdictions in the exclusion rates of students with disabilities and English language learners in administrations of the National Assessment of Educational Progress (NAEP). It also examines the operating characteristics of a particular class of methods, called…
Descriptors: Statistical Bias, National Competency Tests, Reports, Test Results