[Validation of the "Assessment of DSM-IV Personality Disorders (ADP-IV)" Questionnaire].

Objectives: The "Assessment of DSM-IV Personality Disorders (ADP-IV)" represents a 94-item questionnaire that allows for a categorical and dimensional assessment of the DSM-IV personality disorders.

Methods: Psychometric properties of the German ADP-IV were investigated in 400 psychotherapy outpatients and a community sample of 385 persons. The SCID-II interview and a standardised expert consensus rating were employed for the assessment of concurrent validity.

A biopsychosocial model as a guide for psychoeducation and treatment of depression.

Effective treatment of severe or chronic unipolar depression requires the combination of pharmacological and psychotherapeutic interventions, and demands a theoretical paradigm integrating biological and psychosocial aspects of depression. Supported by recent research, we propose in our article a biopsychosocial diathesis-stress model of depression. Its basic aim is psychoeducational: to provide therapists, patients, and their environment a constructive conceptual framework to understand depressive complaints, vulnerability, and stress.

The ADP-IV questionnaire: differential validity and concordance with the semi-structured interview.

The Assessment of DSM-IV Personality Disorders questionnaire (ADP-IV) is a self-report measure of the DSM-IV Axis II personality disorders (PDs). The ADP-IV assesses for each DSM-IV criterion its typicality as well as the accompanying distress and impairment. This study investigates two important aspects of the construct validity of the ADP-IV: (a) the differential validity (i.