On Equivalence between a Partial Credit Item and a Set of Independent Rasch Items.

Huynh, Huynh

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Peer reviewed

ERIC Number: EJ482634

Record Type: Journal

Publication Date: 1994

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ISSN: ISSN-0033-3123

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On Equivalence between a Partial Credit Item and a Set of Independent Rasch Items.

Huynh, Huynh

Psychometrika, v59 n1 p111-19 Mar 1994

Given a Masters partial credit item with n known step difficulties, conditions are stated for the existence of a set of (locally) independent Rasch binary items such that their raw score and the partial credit raw score have identical probability density functions. (Author/SLD)

Descriptors: Equations (Mathematics), Item Response Theory, Performance Based Assessment, Probability, Scores, Scoring, Statistical Studies, Test Items

Publication Type: Reports - Evaluative; Journal Articles

Education Level: N/A

Audience: N/A

Language: English

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