An Examination of the Bilevel Dimensionality of Lower and Higher Mental Processes in Probability Achievement.

Weber, Margaret B.

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Peer reviewed

ERIC Number: EJ180484

Record Type: Journal

Publication Date: 1977

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An Examination of the Bilevel Dimensionality of Lower and Higher Mental Processes in Probability Achievement

Weber, Margaret B.

Educational and Psychological Measurement, 37, 4, 987-90, W 77

Bilevel dimensionality of probability was examined via factor analysis, Rasch latent trait analysis, and classical item analysis. Results suggest that when nonstandardized measures are the criteria for achievement, relying solely on estimates of content validity may lead to erroneous interpretation of test score data. (JKS)

Descriptors: Achievement, Achievement Tests, Factor Analysis, Item Analysis, Probability, Test Interpretation, Test Items, Test Reliability, Test Validity

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