Sex-role identity and sibling composition.
D000328:Adult; D000704:Analysis of Variance; D001722:Birth Order; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007062:Identification, Psychological; D008297:Male; D010287:Parent-Child Relations; D012380:Role; D012649:Self Concept; D012737:Sex Factors; D012725:Sexual Behavior; D012801:Sibling Relations