Brief assessment of schizotypal traits: A multinational study

  1. Fonseca-Pedrero, E. 410
  2. Ortuño-Sierra, J. 10
  3. Lucas-Molina, B. 9
  4. Debbane´, M. 726
  5. Chan, R.C.K. 1928
  6. Cicero, D.C. 21
  7. Zhang, L.C. 18
  8. Brenner, C. 18
  9. Barkus, E. 32
  10. Linscott, R.J. 24
  11. Kwapil, T. 23
  12. Barrantes-Vidal, N. 8
  13. Cohen, A.
  14. Raine, A.
  15. Compton, M.T.
  16. Tone, E.B.
  17. Suhr, J.
  18. Bobes, J. 412
  19. Fumero, A. 22
  20. Giakoumaki, S. 20
  21. Tsaousis, I. 20
  22. Preti, A. 27
  23. Chmielewski, M.
  24. Laloyaux, J. 62931
  25. Mechri, A. 30
  26. Lahmar, M.A. 30
  27. Wuthrich, V. 2
  28. Larøi, F. 62931
  29. Badcock, J.C. 1
  30. Jablensky, A. 1
  31. Barron, D. 3
  32. Swami, V. 313
  33. Tran, U.S. 5
  34. Voracek, M. 5
  35. Show all authors +
  1. 1 University of Western Australia
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    University of Western Australia

    Perth, Australia

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  2. 2 Macquarie University
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    Macquarie University

    Sídney, Australia

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  3. 3 Perdana University
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    Perdana University

    Kota Kinabalu, Malasia

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  4. 4 Centro de Investigacion Biomedica en Red de Salud Mental
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    Centro de Investigacion Biomedica en Red de Salud Mental

    Madrid, España

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  5. 5 University of Vienna
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    Viena, Austria

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  6. 6 University of Bergen
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    University of Bergen

    Bergen, Noruega

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  7. 7 University College London
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    University College London

    Londres, Reino Unido

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  8. 8 Universitat Autònoma de Barcelona
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    Universitat Autònoma de Barcelona

    Barcelona, España

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  9. 9 Universitat de València
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    Universitat de València

    Valencia, España

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  10. 10 Universidad de La Rioja
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    Universidad de La Rioja

    Logroño, España

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  11. 11 Lenox Hill Hospital
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    Lenox Hill Hospital

    Nueva York, Estados Unidos

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  12. 12 Universidad de Oviedo
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    Universidad de Oviedo

    Oviedo, España

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  13. 13 Anglia Ruskin University
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    Anglia Ruskin University

    Cambridge, Reino Unido

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  14. 14 Georgia State University
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    Georgia State University

    Atlanta, Estados Unidos

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  15. 15 Louisiana State University
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    Louisiana State University

    Baton Rouge, Estados Unidos

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  16. 16 Ohio University
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    Ohio University

    Athens, Estados Unidos

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  17. 17 Southern Methodist University
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    Southern Methodist University

    Dallas, Estados Unidos

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  18. 18 University of British Columbia
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    University of British Columbia

    Vancouver, Canadá

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  19. 19 University of Chinese Academy of Sciences
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    University of Chinese Academy of Sciences

    Pekín, China

    ROR https://ror.org/05qbk4x57

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  20. 20 University of Crete
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    University of Crete

    Heraklion, Grecia

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  21. 21 University of Hawaii at Manoa
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    University of Hawaii at Manoa

    Honolulu, Estados Unidos

    ROR https://ror.org/01wspgy28

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  22. 22 Universidad de La Laguna
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    Universidad de La Laguna

    San Cristobal de La Laguna, España

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  23. 23 University of North Carolina at Greensboro
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    University of North Carolina at Greensboro

    Greensboro, Estados Unidos

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  24. 24 University of Otago
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    University of Otago

    Dunedin, Nueva Zelanda

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  25. 25 University of Pennsylvania
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    University of Pennsylvania

    Filadelfia, Estados Unidos

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  26. 26 Université de Genève
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    Université de Genève

    Ginebra, Suiza

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  27. 27 Genneruxi Medical Center, Cagliari, Italy
  28. 28 Neuropsychology and Applied Cognitive Neuroscience Laboratory, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
  29. 29 University of Oslo
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    University of Oslo

    Oslo, Noruega

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  30. 30 University of Monastir
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    University of Monastir

    Monastir, Túnez

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  31. 31 University of Liège
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    University of Liège

    Lieja, Bélgica

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  32. 32 University of Wollongong
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    University of Wollongong

    Wollongong, Australia

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Journal:
Schizophrenia Research

ISSN: 0920-9964

Year of publication: 2017

Type: Article

DOI: 10.1016/J.SCHRES.2017.10.043 SCOPUS: 2-s2.0-85032839009 GOOGLE SCHOLAR HANDLE: https://hdl.handle.net/10550/91654

More publications in: Schizophrenia Research

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Abstract

The Schizotypal Personality Questionnaire-Brief (SPQ-B) was developed with the aim of examining variations in healthy trait schizotypy, as well as latent vulnerability to psychotic-spectrum disorders. No previous study has studied the cross-cultural validity of the SPQ-B in a large cross-national sample. The main goal of the present study was to analyze the reliability and the internal structure of SPQ-B scores in a multinational sample of 28,426 participants recruited from 14 countries. The mean age was 22.63. years (SD = 7.08; range 16-68. years), 37.7% (n = 10,711) were men. The omega coefficients were high, ranging from 0.86 to 0.92 for the total sample. Confirmatory factor analysis revealed that SPQ-B items were grouped either in a theoretical structure of three first-order factors (Cognitive-Perceptual, Interpersonal, and Disorganized) or in a bifactor model (three first-order factors plus a general factor of schizotypal personality). In addition, the results supported configural but not strong measurement invariance of SPQ-B scores across samples. These findings provide new information about the factor structure of schizotypal personality, and support the validity and utility of the SPQ-B, a brief and easy tool for assessing self-reported schizotypal traits, in cross-national research. Theoretical and clinical implications for diagnostic systems, psychosis models, and cross-national mental health strategies are derived from these results. © 2017 Elsevier B.V.