A Rating Formulation for Ordered Response Categories.

Andrich, David

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Peer reviewed

ERIC Number: EJ204014

Record Type: Journal

Publication Date: 1978-Dec

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A Rating Formulation for Ordered Response Categories.

Andrich, David

Psychometrika, v43 n4 p561-73 Dec 1978

A rating response mechanism for ordered categories such as in Likert scaling, which is related to the traditional threshold formulation but distinctively different from it, is formulated. The mechanism is based on the Rasch model. Two parameters in addition to the usual Rasch parameters are identified and discussed. (Author/JKS)

Descriptors: Item Analysis, Mathematical Models, Psychometrics, Rating Scales, Technical Reports, Test Interpretation

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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