The lz(p)* Person-Fit Statistic in an Unfolding Model Context

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Abstract

Although person-fit analysis has a long-standing tradition within item response theory, it has been applied in combination with dominance response models almost exclusively. In this article, a popular log likelihood-based parametric person-fit statistic under the framework of the generalized graded unfolding model is used. Results from a simulation study indicate that the person-fit statistic performed relatively well in detecting midpoint response style patterns and not so well in detecting extreme response style patterns.
Original languageEnglish
Pages (from-to)44-59
Number of pages16
JournalApplied Psychological Measurement
Volume41
Issue number1
DOIs
Publication statusPublished - 1-Jan-2017

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