Experiences affecting the development of number conservation in children.
D002648:Child; D002675:Child, Preschool; D003071:Cognition; D004192:Discrimination, Psychological; D005260:Female; D006801:Humans; D008297:Male; D010465:Perception; D012054:Reinforcement, Psychology; D013312:Stress, Physiological; D014706:Verbal Learning