Maximum Likelihood Estimation of the Joint Covariance Matrix for Sections of Tests Given to Distinct Samples with Application to Test Equating.

Thayer, Dorothy T.

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Peer reviewed

ERIC Number: EJ290775

Record Type: Journal

Publication Date: 1983

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Maximum Likelihood Estimation of the Joint Covariance Matrix for Sections of Tests Given to Distinct Samples with Application to Test Equating.

Thayer, Dorothy T.

Psychometrika, v48 n2 p293-97 Jun 1983

Estimation techniques for generating the covariance matrix for two new tests and an existing test without the necessity of any examinee having to take two complete tests is presented. An application of these techniques to linear, observed-score, test equating is presented. (Author/JKS)

Descriptors: Correlation, Equated Scores, Estimation (Mathematics), Matrices, Maximum Likelihood Statistics, Scaling, Test Construction, Test Theory, Testing Problems

Publication Type: Reports - Research; Journal Articles

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Language: English

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