The Personality Diagnostic Questionnaire–4 (PDQ-4) is a self-report screening tool designed to assess the (Paranoid, Schizoid, Schizotypal, Antisocial, Borderline, Histrionic, Narcissistic, Avoidant, Dependent, Obsessive-Compulsive). It is often used in clinical and research settings to quickly identify possible personality pathology.
rather than a definitive diagnostic instrument. If a patient scores highly, a follow-up structured interview—such as the Structured Interview for DSM-IV Personality (SIDP-IV) —is often recommended to confirm the findings. Psicothema Where to Find Scoring Resources pdq-4 scoring sheet
However, there are also some limitations: there are also some limitations: