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Citation |
Svindseth MF, Sørebø, Nøttestad JA, Roaldset JO, Wallin J, Dahl AA. Scand. J. Psychol. 2009; 50(2): 151-159. |
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Copyright |
(Copyright © 2009, Scandinavian Psychological Associations, Publisher John Wiley and Sons) |
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DOI |
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PMID |
unavailable |
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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. |