Graded Responses and Joining Categories: A Rejoinder to Andrich'"Models for Measurement, Precision, and Nondichotomization of Graded Responses.".

Roskam, Edward E.

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Peer reviewed

ERIC Number: EJ505846

Record Type: Journal

Publication Date: 1995

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ISSN: ISSN-0033-3123

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Graded Responses and Joining Categories: A Rejoinder to Andrich'"Models for Measurement, Precision, and Nondichotomization of Graded Responses."

Roskam, Edward E.

Psychometrika, v60 n1 p27-35 Mar 1995

The Jansen and Roskam (1986) approach to joining categories of graded responses presents valid arguments that are subject to empirical test. The multiplicative Poisson (MPM) model of D. Andrich can be seen as an approximation to the continuous response model of Muller (1987). An extension of the MPM is suggested. (SLD)

Descriptors: Measurement Techniques, Models, Social Science Research, Statistical Analysis

Publication Type: Book/Product Reviews; Reports - Evaluative; Journal Articles

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Language: English

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