One Iota Fills the Quota: A Paradox in Multifacet Reliability Coefficients.

Conger, Anthony J.

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Peer reviewed

ERIC Number: EJ292477

Record Type: CIJE

Publication Date: 1983

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One Iota Fills the Quota: A Paradox in Multifacet Reliability Coefficients.

Conger, Anthony J.

Educational and Psychological Measurement, v43 n3 p797-802 Aut 1983

A paradoxical phenomenon of decreases in reliability as the number of elements averaged over increases is shown to be possible in multifacet reliability procedures (intraclass correlations or generalizability coefficients). Conditions governing this phenomenon are presented along with implications and cautions. (Author)

Descriptors: Generalizability Theory, Test Construction, Test Items, Test Length, Test Reliability, Testing Problems

Publication Type: Reports - Research; Journal Articles

Education Level: N/A

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Language: English

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