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Factor Invariance of Psychometric Schizotypy in Spanish and American Samples

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Abstract

The present study extended recent work examining the factor structure underlying the Wisconsin Schizotypy Scales by examining the factor invariance of this structure in Spanish and American nonclinical samples of young adults. A series of confirmatory factor analyses were conducted with 547 Spanish and 2,171 American young adults. Consistent with prior work, the best fitting model in both samples was a two-factor model with positive and negative schizotypy dimensions. Furthermore, the factor structure was invariant across the two samples. The findings support the construct validity of a multidimensional model of schizotypy and the use of psychometric inventories to assess these dimensions.

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Acknowledgments

Support for this study came partially from the Spanish Ministry of Science and Innovation (Plan Nacional I + D + I PSI2008-04178) and the Generalitat de Catalunya, Suport als Grups de Recerca (SGR2009672).

The authors thank Saed Qunbar for his assistance with data management and Jessica Kaczorowski for her comments on the manuscript.

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Authors and Affiliations

  1. Department of Psychology, University of North Carolina at Greensboro, P.O. Box 26170, Greensboro, NC, 27402-6170, USA

    Thomas R. Kwapil, Paul J. Silvia & Neus Barrantes-Vidal

  2. Universitat Autònoma de Barcelona, Bellaterra (Barcelona), Spain

    Agnès Ros-Morente & Neus Barrantes-Vidal

  3. Sant Pere Claver – Fundació Sanitària, Barcelona, Spain

    Neus Barrantes-Vidal

  4. CIBERSAM, Spanish Ministry of Health, Instituto de Salud Carlos III, Barcelona, Spain

    Neus Barrantes-Vidal

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  1. Thomas R. Kwapil
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  2. Agnès Ros-Morente
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  3. Paul J. Silvia
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  4. Neus Barrantes-Vidal
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Correspondence to Thomas R. Kwapil.

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Kwapil, T.R., Ros-Morente, A., Silvia, P.J. et al. Factor Invariance of Psychometric Schizotypy in Spanish and American Samples. J Psychopathol Behav Assess 34, 145–152 (2012). https://doi.org/10.1007/s10862-011-9258-1

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