Generalizability in Factorable Domains: "Domain Validity and Generalizability".

McDonald, Roderick P.

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Peer reviewed

ERIC Number: EJ184205

Record Type: Journal

Publication Date: 1978

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Generalizability in Factorable Domains: "Domain Validity and Generalizability"

McDonald, Roderick P.

Educational and Psychological Measurement, 38, 1, 75-9, Spr 78

It is shown that if a behavior domain can be described by the common factor model with a finite number of factors, the squared correlation between the sum of a selection of items and the domain total score is actually greater than coefficient alpha. (Author/JKS)

Descriptors: Factor Analysis, Item Analysis, Mathematical Models, Measurement, Test Reliability

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