Experimental bias resulting from using volunteers in alcoholism research.
D000328:Adult; D000368:Aged; D000437:Alcoholism / Q000523:psychology* / Q000628:therapy; D006801:Humans; D007360:Intelligence; D007389:Internal-External Control; D008297:Male; D008875:Middle Aged; D010551:Personality; D012107:Research Design / Q000592:standards*