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Record identifier : 568263
Personal Name - Primary Intelectual Responsibility : Byravan, Anupama
Title and statement of responsibility : Structure of personality disorders from a five-factor model perspective, and the relative superiority of the MMPI-2 PSY-5, NEO-PI-R, and the 16 PF fifth edition scales for predicting personality disorders [Thesis]
Publication, Distribution,Etc. : Southern Illinois University at Carbondale, 1996
Language of the Item : eng
Dissertation of thesis details and type of degree : Ph.D.
Body granting the degree : , Southern Illinois University at Carbondale
Summary or Abstract : The present study empirically investigated the following hypotheses: (i) Generality and comprehensiveness of the five factor model for understanding the structure of personality disorders as measured by the PACL, (ii) Investigation of the similarities and differences between the NEO-PI-R domain scales, the MMPI-2 PSY 5 scales and the 16 PF Fifth Edition global scales, (iii) Evaluation of the incremental validity of the MMPI-2 PSY 5 scales for predicting personality disorders over and above the NEO-PI-R domain scales, and (iv) Evaluation of the incremental validity of the 16 PF primary scales as compared to the MMPI-2 PSY 5 scales, the NEO-PI-R domain scales, and the 16 PF global scales, for predicting personality disorders. Two hundred and fifty-eight Psychology undergraduates (113 males and 145 females) completed the PACL, the NEO-PI-R, the MMPI-2 PSY 5 and the 16 PF Fifth Edition for partial course credit. Principal axis factor analysis of the PACL personality Disorder scales, the NEO-PI-R domain scales, the 16 PF global scales, and the MMPI-2 PSY 5 scales provided strong support for the comprehensiveness of the five-factor model but support for the generality of only four of the five factors, namely, Neuroticism, Extraversion, Agreeableness, and Conscientiousness. Openness to experience did not emerge as a separate factor. Factor analysis of the NEO-PI-R domain scales, the 16 PF global scales, and the MMPI-2 PSY 5 scales indicated that the Extraversion and Neuroticism factors across the three instruments were similar. Across all the three instruments used in the study, the Extraversion and Neuroticism factors were similar. Both the 16 PF Toughminded and Self-Control scales were similar to the "big-five" Conscientiousness factor, while the 16 PF Independence scale measured the dimension of "extraverted disagreeableness". Hierarchical multiple regression analyses were performed to test the incremental validity of the MMPI-2 PSY 5 scales over and above the NEO-PI-R domain scales, and the incremental validity of the 16 PF primary scales over the (i) MMPI-2 PSY 5 scales, (ii) the NEO-PI-R domain scales, and (iii) the 16 PF global scales. The results of the hierarchical multiple regression analyses indicated that the MMPI-2 PSY 5 scales did not have substantial incremental predictive power over the NEO-PI-R domain scales for predicting the PACL personality disorders. The 16 PF primary scales had greater predictive power as compared to the MMPI-2 PSY 5 scales, but not as compared to either the NEO-PI-R domain scales, or the 16 PF global scales for predicting personality disorders. The implications of these results along with future directions are discussed in detail. (Abstract shortened by UMI.).
Topical Name Used as Subject : Personality, Psychological tests, Psychotherapy
Information of biblio record : TL
 
 
 
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