Establishment of praise as a reinforcer in chronic schizophrenics.
D000328:Adult; D002908:Chronic Disease; D003214:Conditioning, Classical; D003216:Conditioning, Operant; D006801:Humans; D008297:Male; D008875:Middle Aged; D011678:Punishment; D011930:Reaction Time; D012057:Reinforcement, Verbal; D012559:Schizophrenia / Q000534:rehabilitation*