publication . Other literature type . Article . Research . 2018

Response Styles in the Partial Credit Model

Tutz, Gerhard; Schauberger, Gunther; Berger, Moritz;
English
  • Published: 12 Jan 2018
  • Publisher: Universitätsbibliothek der Ludwig-Maximilians-Universität München
  • Country: Germany
Abstract
In the modelling of ordinal responses in psychological measurement and survey- based research, response styles that represent specific answering patterns of respondents are typically ignored. One consequence is that estimates of item parameters can be poor and considerably biased. The focus here is on the modelling of a tendency to extreme or middle categories. An extension of the Partial Credit Model is proposed that explicitly accounts for this specific response style. In contrast to existing approaches, which are based on finite mixtures, explicit person-specific response style parameters are introduced. The resulting model can be estimated within the framewo...
Subjects
free text keywords: Technische Reports, Statistik, Seminar für angewandte Stochastik, Partial credit model; Likert-type scales; Rating scales; Response styles; Ordinal data; Generalized linear models, 510, Articles, Psychology (miscellaneous), Social Sciences (miscellaneous), Rating scale, Polytomous Rasch model, Ordinal data, Generalized linear model, Ordinal number, Software tool, Linear model, Econometrics, Mathematics, ddc:510
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