Sex role, status, and perceived competence among first-graders.
D002648:Child; D002657:Child Development; D005260:Female; D006126:Group Processes; D006801:Humans; D008297:Male; D011606:Psychosexual Development; D012380:Role; D012723:Sex; D012919:Social Behavior; D012930:Social Dominance; D012951:Socialization; D012963:Sociometric Techniques; D013647:Task Performance and Analysis