Determining Optimal Test Lengths with a Fixed Total Testing Time.

Hambleton, Ronald K.

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Peer reviewed

ERIC Number: EJ357540

Record Type: CIJE

Publication Date: 1987

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Determining Optimal Test Lengths with a Fixed Total Testing Time.

Hambleton, Ronald K.

Educational and Psychological Measurement, v47 n2 p339-47 Sum 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, Test Length, Test Validity, Timed Tests, Weighted Scores

Publication Type: Journal Articles; Reports - Research

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Language: English

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