The aim of this study was to examine the ability of the fake good indicators on the Personality Diagnostic Questionnaire-4 (PDQ-4) for DSMIV Axis II disorders to assess fake good responding. A sample of 99 university students completed the PDQ-4 under respond honestly and fake good instructions. Participants were able to significantly alter their clinical profiles. However, although the two validity scales on the PDQ-4 differed significantly under the instructional set, the overall classification rates of these scales were too low to warrant use in a clinical setting.
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