Maximizing Power in Generalizability Studies under Budget Constraints.

Marcoulides, George A.

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Peer reviewed

ERIC Number: EJ466276

Record Type: Journal

Publication Date: 1993

Pages: N/A

Abstractor: N/A

ISBN: N/A

ISSN: ISSN-0362-9791

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Maximizing Power in Generalizability Studies under Budget Constraints.

Marcoulides, George A.

Journal of Educational Statistics, v18 n2 p197-206 Sum 1993

A methodology is presented for minimizing mean error variance in generalizability studies when resource constraints are imposed. The optimal number of observations and conditions of facets for random model, fully crossed one- and two-facet designs can be decided. Parallel closed form formulas can be determined for other designs. (SLD)

Descriptors: Budgeting, Equations (Mathematics), Error of Measurement, Generalizability Theory, Mathematical Models, Power (Statistics), Research Design, Research Methodology, Resource Allocation, Retrenchment

Publication Type: Reports - Evaluative; Journal Articles

Education Level: N/A

Audience: N/A

Language: English

Sponsor: N/A

Authoring Institution: N/A

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Author Affiliations: N/A