A mixture item response model is proposed for investigating individual differences in the selection of response categories in multiple-choice items. The model accounts for local dependence among ...
Response Styles denote systematic tendencies in how respondents select answers on questionnaires, independent of the actual content, potentially influencing the validity of survey data. Item Response ...
An extension of the graded response model of Samejima (1969) for the measurement of variability and change is presented. In this model it is assumed that an occasion-specific latent variable is ...
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