A Note on Levine's Formula for Equating Unequally Reliable Tests Using Data from the Common Item Nonequivalent Groups Design.

Hanson, Bradley A.

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Peer reviewed

ERIC Number: EJ429427

Record Type: Journal

Publication Date: 1991

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ISSN: ISSN-0362-9791

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A Note on Levine's Formula for Equating Unequally Reliable Tests Using Data from the Common Item Nonequivalent Groups Design.

Hanson, Bradley A.

Journal of Educational Statistics, v16 n2 p93-100 Sum 1991

The formula developed by R. Levine (1955) for equating unequally reliable tests is described. The formula can be interpreted as a method of moments estimate of an equating function that results in first order equity of the equated test score under a classical congeneric model. (TJH)

Descriptors: Equated Scores, Equations (Mathematics), Estimation (Mathematics), Mathematical Models, Test Reliability, True Scores

Publication Type: Journal Articles; Reports - Evaluative

Education Level: N/A

Audience: N/A

Language: English

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