Eccentricity dimension of the Dimensional Clinical Personality Inventory: Review and psychometric properties

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Lucas de Francisco Carvalho ; Giselle Pianowski ; Fernando José Silveira ; Jonatha Tiago Bacciotti ; Philipe Gomes Vieira
  • Publisher: Universidade Federal do Rio Grande do Norte
  • Journal: Estudos de Psicologia (Natal) (issn: 1678-4669)
  • Related identifiers: doi: 10.5935/1678-4669.20160035
  • Subject: personality traits | psychological testing | personality disorders | Philosophy. Psychology. Religion | B | Psychology | BF1-990

Abstract We aimed to review of the Eccentricity dimension of the Dimensional Clinical Personality Inventory (IDCP), through two steps. The first one focused on developing new items and the second on testing the psychometric properties in a sample of 225 subjects (70.1% females), aging between 18 and 66 years, mostly undergraduate students (58.9%). The subjects answered the IDCP, and the Brazilian versions of the NEO-PI-R, PID-5 and MIS. The first step resulted in 42 items, which 22 were new. The second step resulted in a composite of 18 items, pooled in six interpretable factors, as Interpersonal detachment, Eccentric style, Paranormality, Persecutory style, Depersonalization and Emotional inexpressiveness, with internal consistency coefficients of .85 for the total score, and between .60 and .82 for the factors. The correlations between instruments revealed consistent and expected relations. The data suggested adequacy of the new Eccentricity dimension of IDCP.
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