Marginal Maximum Likelihood Estimation for the Ordered Partition Model.

Wilson, Mark; Adams, Raymond J.

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Peer reviewed

ERIC Number: EJ469868

Record Type: Journal

Publication Date: 1993

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ISSN: ISSN-0362-9791

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Marginal Maximum Likelihood Estimation for the Ordered Partition Model.

Wilson, Mark; Adams, Raymond J.

Journal of Educational Statistics, v18 n1 p69-90 Spr 1993

A marginal maximum likelihood estimation algorithm is presented for the ordered partition model of M. Wilson that does not require the set of available responses to be fully ordered. The model and its estimation algorithm are illustrated in a comparison of alternative scoring schemes for open-ended science items. (SLD)

Descriptors: Algorithms, Comparative Analysis, Elementary Secondary Education, Equations (Mathematics), Estimation (Mathematics), Mathematical Models, Science Education, Science Tests, Scoring

Publication Type: Reports - Evaluative; Journal Articles

Education Level: N/A

Audience: N/A

Language: English

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