Volume 25, Issue 124 (5-2015)
J Mazandaran Univ Med Sci 2015, 25(124): 84-93 |
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Ghoreyshi Rad F. Validation and Factor Analysis of Persian Version of the Narcissistic Personality Inventory in Non-clinical Population. J Mazandaran Univ Med Sci 2015; 25 (124) :84-93
URL: http://jmums.mazums.ac.ir/article-1-5638-en.html
URL: http://jmums.mazums.ac.ir/article-1-5638-en.html
Abstract: (6552 Views)
Background and purpose: The Narcissistic Personality Inventory-40 (NPI-40) is a self-report questionnaire for assessing narcissistic characteristics in non-clinical samples. The aim of this research was to assess the validity of the 40- items version of the Narcissistic Personality Inventory (NPI).
Materials and methods: In a survey study, 500 people from Shahin Shahr, Isfahan, were randomly selected using stratified sampling. They were assessed by Narcissistic Personality Inventory-40 (NPI-40), NEO personality scale and Millon Clinical Multiaxial Inventory-II. Concurrent validity of the NPI was studied through correlational analysis with the Millon Clinical Multiaxial Inventory-II (MCMI-II). To study discriminate validity, the persons who obtained high low scores in NEO's extraversion and agreeableness factors were compared with their scores in narcissism scores.
Results: In exploratory factor analysis (Promax rotation) three components were extracted including ................. .Significant correlation was found between the MCMI-II and NPI-40. Also, Test- Retest reliability coefficient and internal consistence of the scales were estimated to be 0.81 and 0.82, respectively.
Conclusion: The results revealed that NPI-40, as a multidimensional scale has agreeable degree of reliability and Psychometric properties which could be considered as an appropriate instrument to screen narcissistic personality traits in non- clinical population.
Type of Study: Research(Original) |
Subject:
psychiatry
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