title: Birth order and leadership in the elementary school: a cross-cultural study.
mesh_terms: D000293:Adolescent; D001722:Birth Order; D002648:Child; D003431:Cross-Cultural Comparison; D005260:Female; D005860:Germany, West; D006801:Humans; D007857:Leadership; D008297:Male; D008396:Maryland; D012574:Schools; D012923:Social Class