Gisele Magarotto Machado, Nelson Hauck-Filho, Gabriel Vitor Aioly Gomes, Letícia Marin Hofstatter, Lucas de Francisco Carvalho
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Moderately Eccentric: Evidence for Dimensionality in the Latent Structure of Schizotypal Personality Features.
The authors investigated the latent structure of schizotypal personality features using taxometric analysis in a large sample of individuals from clinical and nonclinical populations. A total of 7,072 community adults and 270 psychiatric patients participated in the study by responding to the eccentricity, distrust, and isolation scales from the Dimensional Clinical Personality Inventory (IDCP). Data were analyzed using three different taxometric techniques, MAMBAC, MAXEIG, and L-Mode. The indicators proved valid for the taxometric analysis (d ≥ 1.25). The comparison curve fit index (CCFI) coefficients from the three methods used were close to zero, and the average CCFI was lower than .40, clearly indicating a dimensional structure for schizotypal personality features. These findings suggest that schizotypal personality traits occur in levels, with no evidence of any natural boundary between clinical and nonclinical manifestations. Results from other studies that were consistent with a categorical structure may be due to methodological weaknesses.
期刊介绍:
The Journal of Personality Disorders has long been the only forum devoted exclusively to the diagnosis and treatment of clinically significant personality disorders. The journal fosters dialogue among researchers and practitioners working from a variety of orientations and approaches. Its international impact is well established, with subscribers in over 30 countries. This multidisciplinary journal regularly features: - Research on normal and pathological personality and development - New methodologies for assessing personality - Etiologies and clinical classifications for personality disorders - Epidemiological studies and outcomes research on diagnostic criteria - Treatment techniques and innovations