Signal/Noise Ratios for Domain-Referenced Tests.

Brennan, Robert L.; Kane, Michael T.

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Peer reviewed

ERIC Number: EJ180450

Record Type: Journal

Publication Date: 1977

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Signal/Noise Ratios for Domain-Referenced Tests

Brennan, Robert L.; Kane, Michael T.

Psychometrika, 42, 4, 609-25, Dec 77

Using the assumption of randomly parallel tests and concepts from generalizability theory, three signal/noise ratios for domain-referenced tests are developed, discussed, and compared. The three ratios have the same noise but different signals depending upon the kind of decision to be made as a result of measurement. (Author/JKS)

Descriptors: Comparative Analysis, Criterion Referenced Tests, Error of Measurement, Mathematical Models, Measurement, Norm Referenced Tests, Test Interpretation, Test Reliability

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