Assessing differential statement functioning in multidimensional forced-choice items

Wen Chung WANG, Xue Lan QIU

Research output: Contribution to conferencePapers

Abstract

Ipsative tests with multidimensional forced-choice (MFC) items are popular inpersonality and career interests measurement in which respondents are ’forced’ to choosea statement from a pair of statements or to rank a set of statements that are designed to measure different dimensions. Recently, a new item response theory (IRT) model has been developed for such tests. In the new model,each statement within a MFC item has a utility parameter for all persons. In reality, a statement may have different utilities for different groups of persons, which is referred to as differential statement functioning (DSF). In this study, we adapted an IRT-based method to the DSF assessment. Simulation studies showed that the adapted method maintained good control of Type I error rates and yielded high power rates. An ipsative career interests test with MFC items was assessed for the DSF between genders.
Original languageEnglish
Publication statusPublished - Jul 2016

Citation

Wang, W. C., & Qiu, X. L. (2016, July). Assessing differential statement functioning in multidimensional forced-choice items. Paper presented at The 31st International Congress of Psychology (ICP2016): Diversity in harmony: Insights from psychology, Pacifico Yokohama, Yokohama, Japan.

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