Preschooler and adolescent: repeating themes.
D000293:Adolescent; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D003405:Creativity; D005783:Gender Identity; D006801:Humans; D007207:Individuation; D000297:Psychology, Adolescent; D002666:Psychology, Child; D012380:Role