Training in conservation of weight.
D000704:Analysis of Variance; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003210:Concept Formation; D005260:Female; D006801:Humans; D008297:Male; D011214:Practice, Psychological; D012054:Reinforcement, Psychology; D014163:Transfer, Psychology; D014892:Weight Perception