Sibling constellation, creativity, IQ, and academic achievement.
D000124:Achievement; D000367:Age Factors; D001722:Birth Order; D002648:Child; D002657:Child Development; D003405:Creativity; D005190:Family; D006801:Humans; D007360:Intelligence; D007361:Intelligence Tests; D011581:Psychological Tests; D012737:Sex Factors; D012801:Sibling Relations