Predictions from play.
D000367:Age Factors; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003405:Creativity; D005106:Exploratory Behavior; D005260:Female; D006801:Humans; D008297:Male; D010553:Personality Development; D010555:Personality Inventory; D010988:Play and Playthings; D011581:Psychological Tests; D012737:Sex Factors