The representation of children's knowledge.
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D003210:Concept Formation; D005260:Female; D006801:Humans; D008297:Male; D008962:Models, Theoretical; D011340:Problem Solving; D011588:Psychology, Educational; D012107:Research Design; D012718:Set, Psychology; D013663:Teaching / Q000379:methods