Journal article

EXAMINATION OF THE RELIABILITY AND VALIDITY OF THE PERSONALITY-ASSESSMENT INVENTORY

GJ BOYLE, TJ LENNON

JOURNAL OF PSYCHOPATHOLOGY AND BEHAVIORAL ASSESSMENT | PLENUM PUBL CORP | Published : 1994

Abstract

The reliability, discriminant validity, and construct validity of the Personality Assessment Inventory (PAI) - a multidimensional self-report measure of abnormal personality traits - were examined within the Australian context. Subjects included 151 normals, 30 alcoholics, and 30 schizophrenic patients. A subsample of 70 nonpsychiatric adults responded to the PAI items twice over a test-retest interval of 28 days. The resulting median retest coefficient was 0.7, indicating less than optimal stability. The median alpha (KR21) coefficient was 0.8, suggesting somewhat narrow measurement scales. A significant multivariate main effect was obtained across groups after the effects of age and gender..

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