Operant preferences for male and female voices by profoundly retarded males.
D000161:Acoustic Stimulation; D000293:Adolescent; D000328:Adult; D001307:Auditory Perception; D002755:Choice Behavior; D003216:Conditioning, Operant; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D012723:Sex; D014831:Voice