Validating Psychometric Assumptions Within and Between Several Populations.

Werts, C. E.; And Others

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Peer reviewed

ERIC Number: EJ180471

Record Type: Journal

Publication Date: 1977

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Validating Psychometric Assumptions Within and Between Several Populations

Werts, C. E.; And Others

Educational and Psychological Measurement, 37, 4, 863-72, W 77

The psychometric application of Joreskog's procedure for simultaneous factor analysis in several populations is illustrated. Using Scholastic Aptitude Test data from two samples, procedures are shown for checking test construction assumptions about units of measurement and error variance, within and between samples. (Author)

Descriptors: Career Development, Factor Analysis, Goodness of Fit, High School Students, Secondary Education, Test Construction, Test Reliability, Test Theory, Test Validity

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Identifiers - Assessments and Surveys: SAT (College Admission Test)

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