Abstract: | The validity of an alternative 5-factor measure of personality, the Zuckerman-Kuhlman Personality Questionnaire (ZKPQ), was assessed in 450 cocaine abusers seeking outpatient treatment. As predicted, the ZKPQ Impulsive Sensation Seeking (ImpSS), Neuroticism-Anxiety (N-Anx), and Aggression-Hostility (Agg-Hos) scales were associated with greater drug abuse and psychiatric severity and symptoms and worse outcome (p? |