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Download full textLivingston, Samuel A. – 1984
An empirical item characteristic curve shows the probability of a correct response as a function of the student's total test score. These curves can be estimated from large-scale pretest data. They enable test developers to select items that discriminate well in the score region where decisions are made. A similar set of curves can be used to…
Descriptors: Cutting Scores, Equated Scores, Higher Education, Item Analysis
