Resumo

CARVALHO, Lucas de Francisco; PRIMI, Ricardo  e  STONE, Gregory E. Psychometric Properties of the Inventário Dimensional Clínico da Personalidade (IDCP) using the Rating Scale Model. Av. Psicol. Latinoam. [online]. 2014, vol.32, n.3, pp.433-446. ISSN 1794-4724.  https://doi.org/dx.doi.org/10.12804/apl32.03.2014.09.

The aim of this study was to evaluate the performance of the Dimensional Clinical Personality Inventory (DCPI) using Rasch-based person and item analysis. 1281 participants were recruited, between 18 and 90 years of age (M=26.64; SD=8.94), 431 men (33.6 %). Of the total sample, 127 (9.9 %) were patients diagnosed with axis I disorders and/or axis II according to DSM-IV-TR. Results indicated the IDCP scales performed reasonably well, and the usefulness of the analyses presented, demonstrates the Rasch model's applicability for clinical applications. Among the important tools offered by the Rasch model, we explore the use of the person-item map, which visually presents the intuitively understandable psychological construct along the dimensional scale of the instrument.

Palavras-chave : Item response theory; psychometric properties; personality disorders.

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