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Discrimination Indices Commonly Used in Military Training Environments: Effects of Departures from Normal Distributions.
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Sarvela, Paul D. – 1986
Four discrimination indices were compared, using score distributions which were normal, bimodal, and negatively skewed. The score distributions were systematically varied to represent the common circumstances of a military training situation using criterion-referenced mastery tests. Three 20-item tests were administered to 110 simulated subjects.…
Descriptors: Comparative Analysis, Criterion Referenced Tests, Item Analysis, Mastery Tests