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      Measurement invariance of the Spanish Launay–Slade Hallucinations Scale‐Extended version between putatively healthy controls and people diagnosed with a mental disorder

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          Abstract

          Objectives

          The current study aimed at evaluating the reliability, convergent and divergent validity, and factor structure of the Spanish Launay–Slade Hallucinations Scale‐Extended version (LSHS‐E) in people with mental disorders and healthy controls.

          Methods

          Four hundred and twenty‐two individuals completed the Spanish LSHS‐E and the Spanish Community Assessment of Psychic Experiences. The convergent and divergent validity of the LSHS‐E was assessed with the three dimensions of the Community Assessment of Psychic Experiences (positive, negative, and depressive dimensions) in healthy controls and people with a mental disorder. Factor structure of the LSHS‐E was assessed using confirmatory factor analysis and measurement invariance.

          Results

          The LSHS‐E had a good reliability in healthy controls and people with a mental disorder (Cronbach's = 0.83 and 0.91, respectively). The LSHS‐E was more strongly associated with positive psychotic‐like experiences than with depressive and negative symptoms. Four factors were found: (a) “intrusive thoughts”; (b) “vivid daydreams”; (c) “multisensory hallucination‐like experiences”; and (d) “auditory–visual hallucination‐like experiences” that were invariant between the group of healthy controls and people with a mental disorder.

          Conclusion

          The Spanish version of the LSHS‐E possesses adequate psychometric properties, and the confirmatory factor analysis findings provide further support for the multidimensionality of proneness to hallucination in clinical and nonclinical samples.

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          Author and article information

          Contributors
          sara.siddi@pssjd.org
          Journal
          Int J Methods Psychiatr Res
          Int J Methods Psychiatr Res
          10.1002/(ISSN)1557-0657
          MPR
          International Journal of Methods in Psychiatric Research
          John Wiley and Sons Inc. (Hoboken )
          1049-8931
          1557-0657
          20 September 2018
          December 2018
          : 27
          : 4 ( doiID: 10.1002/mpr.v27.4 )
          : e1741
          Affiliations
          [ 1 ] Parc Sanitari Sant Joan de Déu, Fundació Sant Joan de Déu, Institut de Recerca Sant Joan de Déu, Sant Boi de Llobregat Universitat de Barcelona Barcelona Spain
          [ 2 ] Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM) Instituto de Salud Carlos III Madrid Spain
          [ 3 ] Department of Education, Psychology, Philosophy University of Cagliari Cagliari Italy
          [ 4 ] East London NHS Foundation Trust Unit for Social and Community Psychiatry, WHO Collaborating Centre for Mental Health Services Development London UK
          [ 5 ] Department of Biological and Medical Psychology University of Bergen Bergen Norway
          [ 6 ] NORMENT–Norwegian Center of Excellence for Mental Disorders, Research University of Oslo Oslo Norway
          [ 7 ] Psychology and Neuroscience of Cognition Research Unit University of Liège Liège Belgium
          [ 8 ] Servei de Psiquiatria Hospital Universitari Germans Trias i Pujol Badalona Spain
          [ 9 ] Center of Liaison Psychiatry and Psychosomatics University Hospital, University of Cagliari Cagliari Italy
          Author notes
          [*] [* ] Correspondence

          Sara Siddi, Parc Sanitari Sant Joan de Déu Dr. Antoni Pujadas, 42 08830 Sant Boi de Llobregat, Barcelona, Spain.

          Email: sara.siddi@ 123456pssjd.org

          Author information
          http://orcid.org/0000-0002-1494-9028
          http://orcid.org/0000-0002-3984-277X
          Article
          PMC6877181 PMC6877181 6877181 MPR1741 IJMPR-Mar-2018-0025.R1
          10.1002/mpr.1741
          6877181
          30238666
          439d789c-ee30-43b2-beab-56c6890c0082
          © 2018 John Wiley & Sons, Ltd.
          History
          : 19 March 2018
          : 19 June 2018
          : 30 July 2018
          Page count
          Figures: 1, Tables: 6, Pages: 14, Words: 6352
          Funding
          Funded by: Parc Sanitari Sant Joan de Déu
          Award ID: AR201404
          Funded by: Master and Back program
          Award ID: PRRMAB‐A2011‐19251
          Categories
          Original Article
          Original Articles
          Custom metadata
          2.0
          December 2018
          Converter:WILEY_ML3GV2_TO_JATSPMC version:5.7.2 mode:remove_FC converted:19.11.2019

          sensitivity and specificity analyses,measurement invariance,Launay‐Slade Hallucination Scale,hallucinatory proneness,factor analysis

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