Journal
INTERNATIONAL JOURNAL OF METHODS IN PSYCHIATRIC RESEARCH
Volume 27, Issue 4, Pages -Publisher
WILEY
DOI: 10.1002/mpr.1741
Keywords
factor analysis; hallucinatory proneness; Launay-Slade Hallucination Scale; measurement invariance; sensitivity and specificity analyses
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Funding
- Parc Sanitari Sant Joan de Deu [AR201404]
- Master and Back program [PRRMAB-A2011-19251]
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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 Results 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. 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 APPENDIX 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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