The influence of verbal and nonverbal reinforcement combinations in the discrimination learning of middle- and lower-class preschool children.
D002675:Child, Preschool; D003071:Cognition; D003210:Concept Formation; D004193:Discrimination Learning; D005260:Female; D006801:Humans; D008297:Male; D011678:Punishment; D012054:Reinforcement, Psychology; D012057:Reinforcement, Verbal; D012201:Reward; D012923:Social Class; D012959:Socioeconomic Factors