title: Instrumental learning in preschool children as a function of type of task, type of reward, and some organismic variables.
mesh_terms: D000367:Age Factors; D002675:Child, Preschool; D003216:Conditioning, Operant; D004193:Discrimination Learning; D005108:Extinction, Psychological; D005120:Extraversion, Psychological; D005260:Female; D006801:Humans; D007100:Imitative Behavior; D007360:Intelligence; D008297:Male; D009042:Motivation; D010379:Peer Group; D012056:Reinforcement, Social; D012201:Reward