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| Research article summary (published 30 Mar 2009): |
Psychometric examination and normative data for the narcissistic personality inventory 29 item version.
Full Abstract
The Narcissistic Personality Inventory (NPI) is commonly used in empirical studies of narcissism. Few population-based studies have been published. Our aim was to do a confirmatory factor analysis (CFA) of the NPI 29 item version with a four-factor structure, in two population-based samples and in a patient sample, and present normative population-based data. The NPI-29 was filled in by 324 respondents from the Norwegian population, 231 from the Swedish population and 167 Norwegian psychiatric patients. The four-factor structure of the NPI-29 with Leadership/Power, Exhibitionism/Self-admiration, Superiority/Arrogance and Uniqueness/Entitlement was reproduced in these samples. The CFA models showed good fit indices in all samples. Mean scores on the NPI-29 and four subscales hardly differed between the samples. For the NPI-29 total score and factors, few significant differences were observed. CFA of the samples supported the factor structure of the NPI-29 formerly identified by principal component analysis of the Swedish population sample.
Author information
Author/s: Svindseth, Marit F (MF); Sørebø, Oystein (O); Nøttestad, Jim Aage (JA); Roaldset, John Olav (JO); Wallin, Juliska (J); Dahl, Alv A (AA);
Affiliation: Department of Psychiatry, Sunnmore Hospital, 6026 Aalesund, Norway. marit.svindseth(-atsign-)mac.com
Journal and publication information
Publication Type: Evaluation Studies; Journal Article
Journal: Scandinavian journal of psychology (Scand J Psychol), published in England. (Language: eng)
Reference: 2009-Apr; vol 50 (issue 2) : pp 151-9
Dates: Created 2009/05/11; Completed 2009/06/24;
PMID: 18826419, status: MEDLINE (last retrieval date: 6/24/2009, IMS Date: 24 Jun 2009 00:00:00)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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