Development and preliminary psychometric evaluation of the Dimensional Clinical Personality Inventory – Schizoid Personality Disorder Scale
Keywords:
Personality Disorders, Diagnosis, Personality Assessment, Cluster A, Psychometrics.Abstract
A new dimensional-based framework was proposed, the Hierarchical Taxonomy of Psychopathology (HiTOP). We aimed to develop a specific version of the Dimensional Clinical Personality Inventory 2 (IDCP-2), focused on the assessment of the schizoid personality disorder (SCZPD) according to the HiTOP. In stage 1 we developed a new factor to cover all SCZPD traits as presented in HiTOP. Six factors (one new and five from IDCP-2) composed the IDCP-SCZ. In stage 2, 434 adults from the community, aged from 18 to 67 years (M = 31.6, SD = 9.7), completed factors from three self-report measures: IDCP-SCZ, PID-5, and FFaVA. IDCP-SCZ factors and total score showed high reliability. Correlations and bootstrap two-sample t test comparison corroborated the expectations. Although favorable evidences were observed for the use of the IDCP-SCZ to SCZPD traits measurement, future studies should verify the replicability of the present findings in samples composed by SCZPD patients.
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