title: The discrimination learning of normal and retarded children as a function of penalty conditions and etiology of the retarded.
mesh_terms: D000293:Adolescent; D001238:Asphyxia Neonatorum / Q000150:complications; D001720:Birth Injuries / Q000150:complications; D002648:Child; D004193:Discrimination Learning; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008607:Intellectual Disability / Q000209:etiology / Q000235:genetics; D007360:Intelligence; D008297:Male; D011678:Punishment; D012106:Research; D012201:Reward; D012858:Size Perception