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Download full textHaberman, Shelby J.; Liu, Yang; Lee, Yi-Hsuan – ETS Research Report Series, 2019
Distractor analyses are routinely conducted in educational assessments with multiple-choice items. In this research report, we focus on three item response models for distractors: (a) the traditional nominal response (NR) model, (b) a combination of a two-parameter logistic model for item scores and a NR model for selections of incorrect…
Descriptors: Multiple Choice Tests, Scores, Test Reliability, High Stakes Tests
