Pathological gamblers, heroin addicts and controls compared on the E.P.Q. 'Addiction Scale'.
D000293:Adolescent; D000328:Adult; D005106:Exploratory Behavior; D005260:Female; D005715:Gambling / Q000523:psychology*; D006556:Heroin Dependence / Q000175:diagnosis*; D006801:Humans; D008297:Male; D010555:Personality Inventory; D012309:Risk-Taking