Article (Scientific journals)
The structure of schizotypal personality traits: a cross-national study
Fonseca-Pedrero, E.; Debbané, Martin; Ortuño-Sierra, J. et al.
2018In Psychological Medicine, 48, p. 451-462
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Keywords :
Factorial validity; Psychosis risk; SPQ
Abstract :
[en] Background: Schizotypal traits are considered a phenotypic-indicator of schizotypy, a latent personality organization reflecting a putative liability for psychosis. To date, no previous study has examined the comparability of factorial structures across samples originating from different countries and cultures. The main goal was to evaluate the factorial structure and reliability of the Schizotypal Personality Questionnaire (SPQ) scores by amalgamating data from studies conducted in 12 countries and across 21 sites. Method: The overall sample consisted of 27 001 participants (37.5% males, n = 4251 drawn from the general population). The mean age was 22.12 years (s.d. = 6.28, range 16–55 years). The SPQ was used. Confirmatory factor analysis (CFA) and Multilevel CFA (ML-CFA) were used to evaluate the factor structure underlying the SPQ scores. Results: At the SPQ item level, the nine factor and second-order factor models showed adequate goodness-of-fit. At the SPQ subscale level, three- and four-factor models displayed better goodness-of-fit indices than other CFA models. ML-CFA showed that the intraclass correlation coefficients values were lower than 0.106. The three-factor model showed adequate goodness of fit indices in multilevel analysis. The ordinal α coefficients were high, ranging from 0.73 to 0.94 across individual samples, and from 0.84 to 0.91 for the combined sample. Conclusions: The results are consistent with the conceptual notion that schizotypal personality is a multifaceted construct and support the validity and utility of SPQ in cross-cultural research. We discuss theoretical and clinical implications of our results for diagnostic systems, psychosis models and cross-national mental health strategies. Copyright © Cambridge University Press 2017
Disciplines :
Theoretical & cognitive psychology
Author, co-author :
Fonseca-Pedrero, E.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Center for Biomedical Research in the Mental Health Network (CIBERSAM), Oviedo, Spain
Debbané, Martin;  Faculty of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland, Department of Clinical, Educational and Health Psychology, University College London, London, UK
Ortuño-Sierra, J.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain
Chan, R. C. K.;  Neuropsychology and Applied Cognitive Neuroscience Laboratory, CAS key Laboratory of Mental Health, Beijing, China
Cicero, D. C.;  Department of Psychology, University of Hawaii at Manoa, Honolulu, HI, USA
Zhang, Lihong ;  Université de Liège - ULiège > Département ArGEnCo > Adéquat. struct. aux exig. de fonct.& perfor. techn.-écon.
Brenner, C.;  Department of Psychology, University of British Columbia, Vancouver, BC, Canada
Barkus, E.;  School of Psychology, University of Wollongong, Wollongong, Australia
Linscott, R. J.;  Department of Psychology, University of Otago, Dunedin, New Zealand
Kwapil, T.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Department of Psychology, University of North Carolina at Greensboro, Greensboro, NC, USA
Barrantes-Vidal, N.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Department of Clinical and Health Psychology, Universitat Autònoma de Barcelona, Barcelona, Spain
Cohen, A.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Department of Psychology, Louisiana State University, Louisiana, LA, USA
Raine, A.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Departments of Criminology, Psychiatry and Psychology, University of Pennsylvania, Philadelphia, PA, USA
Compton, M. T.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Department of Psychiatry, Lenox Hill Hospital, New York, NY, USA
Tone, E. B.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Department of Psychology, Georgia State University, Atlanta, GA, USA
Suhr, J.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Department of Psychology, Ohio University, Athens, OH, USA
Muñiz, J.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Center for Biomedical Research in the Mental Health Network (CIBERSAM), Oviedo, Spain, Department of Psychology, University of Oviedo, Oviedo, Spain
Fumero, A.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Department of Psychology, University of La Laguna, Santa Cruz de Tenerife, Spain
Giakoumaki, S.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Department of Psychology, University of Crete, Rethymno, Greece
Tsaousis, I.;  Department of Educational Sciences, University of La Rioja, Logroño, Spain, Department of Psychology, University of Crete, Rethymno, Greece
Preti, A.;  Center for Biomedical Research in the Mental Health Network (CIBERSAM), Oviedo, Spain, Genneruxi Medical Center, Cagliari, Italy
Chmielewski, M.;  Center for Biomedical Research in the Mental Health Network (CIBERSAM), Oviedo, Spain, Department of Psychology, Southern Methodist University, Dallas, TX, USA
Laloyaux, Julien ;  Université de Liège - ULiège > Département de Psychologie > Psychopathologie cognitive
Mechri, A.;  Center for Biomedical Research in the Mental Health Network (CIBERSAM), Oviedo, Spain, Psychiatry Department, University Hospital of Monastir, Monastir, Tunisia
Lahmar, M. A.;  Center for Biomedical Research in the Mental Health Network (CIBERSAM), Oviedo, Spain, Psychiatry Department, University Hospital of Monastir, Monastir, Tunisia
Wuthrich, V.;  Center for Biomedical Research in the Mental Health Network (CIBERSAM), Oviedo, Spain, Centre for Emotional Health, Department of Psychology, Macquarie University, Sydney, Australia
Laroi, Frank  ;  Université de Liège - ULiège > Département de Psychologie > Département de Psychologie
Badcock, J. C.;  Center for Biomedical Research in the Mental Health Network (CIBERSAM), Oviedo, Spain, Centre for Clinical Research in Neuropsychiatry, Division of Psychiatry, Faculty of Health and Medical Sciences, University of Western Australia, Perth, Australia
Jablensky, A.;  Center for Biomedical Research in the Mental Health Network (CIBERSAM), Oviedo, Spain, Centre for Clinical Research in Neuropsychiatry, School of Psychiatry and Clinical Neurosciences, University of Western Australia, Perth, Australia
More authors (19 more) Less
Language :
English
Title :
The structure of schizotypal personality traits: a cross-national study
Publication date :
2018
Journal title :
Psychological Medicine
ISSN :
0033-2917
eISSN :
1469-8978
Publisher :
Cambridge University Press
Volume :
48
Pages :
451-462
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 13 June 2018

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