Latent Trait Models and Dichotomization of Graded Responses.

Jansen, Paul G. W.; Roskom, Edward E.

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Peer reviewed

ERIC Number: EJ335285

Record Type: Journal

Publication Date: 1986

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Latent Trait Models and Dichotomization of Graded Responses.

Jansen, Paul G. W.; Roskom, Edward E.

Psychometrika, v51 n1 p69-91 Mar 1986

The compatibility of the polychotomous Rasch model with dichotomization of the response continuum is discussed. It is argued that in the case of graded responses, the response categories presented to the subject are essentially an arbitrary polychotomization of the response continuum. (Author/LMO)

Descriptors: Latent Trait Theory, Mathematical Models, Response Style (Tests), Responses, Statistical Studies

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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