Contrast effect in the use of punishment.
D000374:Aggression; D000818:Animals; D001290:Attitude; D003216:Conditioning, Operant; D004597:Electroshock; D006801:Humans; D007266:Inhibition, Psychological; D007398:Interpersonal Relations; D008297:Male; D010146:Pain; D011678:Punishment; D051381:Rats