Acquisition of simple motor imitative behavior in mentally retarded and nonretarded children.
The effects of social reinforcement and population on two simple motor tasks which were embedded within a contingently reinforced imitation task were explored.  A  Social Reinforcement Type x Population interaction was observed, where the nonretarded children performed at higher levels under informative social reinforcement (right-correct) and at lower levels under affective social reinforcement (good-fine); the opposite was observed for the retarded children.  In addition, one motor response was imitated to a higher degree than the other response.
D000293:Adolescent; D002648:Child; D002657:Child Development; D005260:Female; D006801:Humans; D007100:Imitative Behavior; D008607:Intellectual Disability; D008297:Male; D009043:Motor Activity; D012056:Reinforcement, Social