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Algorithms2
Test Validity2
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Criterion Referenced Tests1
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Educational and Psychological…2
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Hambleton, Ronald K.1
Krus, David J.1
Ney, Robert G.1
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Convergent and Discriminant Validity in Item Analysis
Peer reviewed Peer reviewed
Krus, David J.; Ney, Robert G. – Educational and Psychological Measurement, 1978
An algorithm for item analysis in which item discrimination indices have been defined for the distractors as well as the correct answer is presented. Also, the concept of convergent and discriminant validity is applied to items instead of tests, and is discussed as an aid to item analysis. (Author/JKS)
Descriptors: Algorithms, Item Analysis, Multiple Choice Tests, Test Items
Determining Optimal Test Lengths with a Fixed Total Testing Time.
Peer reviewed Peer reviewed
Hambleton, Ronald K. – Educational and Psychological Measurement, 1987
This paper presents an algorithm for determining the number of items to measure each objective in a criterion-referenced test when testing time is fixed and when the objectives vary in their levels of importance, reliability, and validity. Results of four special applications of the algorithm are presented. (BS)
Descriptors: Algorithms, Behavioral Objectives, Criterion Referenced Tests, Test Construction