The Millon Clinical Multiaxial Inventory-III (MCMI-III) and the Personality Disorder Questionnaire-4+(PDQ-4+) in a Mixed Italian Psychiatric Sample

Self-report questionnaires play a crucial role in the assessment of Personality Disorders (PDs); in such a context, the Millon Clinical Multiaxial Inventory-III (MCMI-III) and the Personality Disorder Questionnaire-4+ (PDQ-4+) are frequently adopted. The aim of this preliminary study was to examine the association between the MCMI-III and the PDQ-4+ in a mixed Italian psychiatric sample. All the correlations between the MCMI-III personality scales and the correspondent PDQ-4+ scales were positive and generally good. The only exceptions were represented by the Histrionic and Narcissistic PDs. Strong associations between several MCMI-III clinical scales and PDQ-4+ personality scales also emerged. The present data support the good correspondence between the Italian versions of MCMI-III and PDQ-4+. Nevertheless, further research on the Histrionic and Narcissistic scales is necessary. Recent literature, however, seems to support our findings