The Conventional Wisdom about Group Mean Scores.

Brennan, Robert L.

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Peer reviewed

ERIC Number: EJ522397

Record Type: Journal

Publication Date: 1995

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ISSN: ISSN-0022-0655

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The Conventional Wisdom about Group Mean Scores.

Brennan, Robert L.

Journal of Educational Measurement, v32 n4 p385-96 Win 1995

Generalizability theory is used to show that the assumption that reliability for groups is greater than that for persons (and that error variance for groups is less than that for persons) is not necessarily true. Examples are provided from course evaluation and performance test literature. (SLD)

Descriptors: Course Evaluation, Decision Making, Equations (Mathematics), Generalizability Theory, Performance Based Assessment, Scores, Test Reliability

Publication Type: Reports - Evaluative; Journal Articles

Education Level: N/A

Audience: N/A

Language: English

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