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Psychiatry Res. 2014 Aug 30;218(3):272-6. doi: 10.1016/j.psychres.2014.04.023. Epub 2014 Apr 16.

Using implicit association tests for the assessment of implicit personality self-concepts of extraversion and neuroticism in schizophrenia.

Author information

1
Department of Psychiatry, University of Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany; Department of Psychosomatic Medicine, University of Leipzig, Semmelweisstr. 10, 04103 Leipzig, Germany. Electronic address: thomas.suslow@medizin.uni-leipzig.de.
2
Department of Psychosomatic Medicine, University of Leipzig, Semmelweisstr. 10, 04103 Leipzig, Germany.
3
Department of Clinical Radiology, University of Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany.
4
Department of Psychology, Johannes Gutenberg University of Mainz, Binger Str. 14-16, 55122 Mainz, Germany.
5
Department of Psychology, University of Leipzig, Seeburgstr. 14-20, 04103 Leipzig, Germany.

Abstract

There is evidence from research based on self-report personality measures that schizophrenia patients tend to be lower in extraversion and higher in neuroticism than healthy individuals. Self-report personality measures assess aspects of the explicit self-concept. The Implicit Association Test (IAT) has been developed to assess aspects of implicit cognition such as implicit attitudes and implicit personality traits. The present study was conducted to investigate the applicability and reliability of the IAT in schizophrenia patients and test whether they differ from healthy individuals on implicitly measured extraversion and neuroticism. The IAT and the NEO-FFI were administered as implicit and explicit measures of extraversion and neuroticism to 34 schizophrenia patients and 45 healthy subjects. For all IAT scores satisfactory to good reliabilities were observed in the patient sample. In both study groups, IAT scores were not related to NEO-FFI scores. Schizophrenia patients were lower in implicit and explicit extraversion and higher in implicit and explicit neuroticism than healthy individuals. Our data show that the IAT can be reliably applied to schizophrenia patients and suggest that they differ from healthy individuals not only in their conscious representation but also in their implicit representation of the self with regard to neuroticism and extraversion-related characteristics.

KEYWORDS:

Associative representation; Conscious representation; Direct test; Explicit self-concept; Implicit self-concept; Indirect test

PMID:
24816120
DOI:
10.1016/j.psychres.2014.04.023
[Indexed for MEDLINE]
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