Abstract: Background. Self-report instruments assessing the DSM personality disorders are characterized by overdiagnosis due to their emphasis on the measurement of personality traits rather than the impairment and distress associated with the criteria.Methods. The ADP-IV, a Dutch questionnaire, introduces an alternative assessment method: each test item assesses ‘Trait’ as well as ‘Distress/impairment’ characteristics of a DSM-IV criterion. This item format allows dimensional as well as categorical diagnostic evaluations. The present study explo...
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Topics: 
Clinical psychology
Psychiatry