Brief assessment of schizotypy: Developing short forms of the Wisconsin Schizotypy Scales

Beate P. Winterstein; Paul J. Silvia; Thomas R. Kwapil; James C. Kaufman; Roni Reiter-Palmon; Benjamin Wigert

doi:10.1016/j.paid.2011.07.027

Brief assessment of schizotypy: Developing short forms of the Wisconsin Schizotypy Scales

Beate P. Winterstein, Paul J. Silvia, Thomas R. Kwapil, James C. Kaufman, Roni Reiter-Palmon, Benjamin Wigert

Psychology

Research output: Contribution to journal › Article › peer-review

102 Scopus citations

Abstract

The Wisconsin Schizotypy Scales-the Perceptual Aberration, Magical Ideation, Physical Anhedonia, and Revised Social Anhedonia Scales-have been used extensively since their development in the 1970s and 1980s. Based on psychometric analyses using item response theory, the present work presents 15-item short forms of each scale. In addition to being briefer, the short forms omit items with high differential item functioning. Based on data from a sample of young adults (n= 1144), the short forms have strong internal consistency, and they mirror effects found for the longer scales. They thus appear to be a good option for researchers interested in the brief assessment of schizotypic traits. The items are listed in an Appendix A.

Original language	English (US)
Pages (from-to)	920-924
Number of pages	5
Journal	Personality and Individual Differences
Volume	51
Issue number	8
DOIs	https://doi.org/10.1016/j.paid.2011.07.027
State	Published - Dec 2011

Keywords

Assessment
Item response theory
Schizotypy
Wisconsin Schizotypy Scales

ASJC Scopus subject areas

General Psychology

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10.1016/j.paid.2011.07.027

Cite this

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title = "Brief assessment of schizotypy: Developing short forms of the Wisconsin Schizotypy Scales",

abstract = "The Wisconsin Schizotypy Scales-the Perceptual Aberration, Magical Ideation, Physical Anhedonia, and Revised Social Anhedonia Scales-have been used extensively since their development in the 1970s and 1980s. Based on psychometric analyses using item response theory, the present work presents 15-item short forms of each scale. In addition to being briefer, the short forms omit items with high differential item functioning. Based on data from a sample of young adults (n= 1144), the short forms have strong internal consistency, and they mirror effects found for the longer scales. They thus appear to be a good option for researchers interested in the brief assessment of schizotypic traits. The items are listed in an Appendix A.",

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AU - Silvia, Paul J.

AU - Kwapil, Thomas R.

AU - Kaufman, James C.

AU - Reiter-Palmon, Roni

AU - Wigert, Benjamin

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Brief assessment of schizotypy: Developing short forms of the Wisconsin Schizotypy Scales

Abstract

Keywords

ASJC Scopus subject areas

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