Opposite-Sex Twins and Adolescent Same-Sex Attraction  

Oleh:

Bearman, Peter S. ; Bruckner, Hannah

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: AJS: American Journal of Sociology vol. 107 no. 05 (Mar. 2002), page 1179-1205.
Topik: social influence; sex twins
Fulltext: A13 vol. 107 no. 05 (Mar. 2002) p1179.PDF (122.96KB)

Ketersediaan

Perpustakaan PKPM Nomor Panggil: A13 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The etiology of human same-sex romantic attraction is generally framed in terms of (1) social influences, (2) genetic influences, or (3) hormonal influences. In this article, we show that adolescent males who are opposite-sex twins are twice as likely as expected to report same-sex attraction; and that the pattern of concordance (similarity across pairs) of same-sex preference for sibling pairs does not suggest genetic influence independent of social context. Our data falsify the hormone transfer hypothesis by isolating a single condition that eliminates the opposite-sex twin effect we observe-the presence of an older same-sex sibling. We also consider and reject a speculative evolutionary theory that rests on observing birth-order effects on same-sex orientation. In contrast, our results support the hypothesis that less gendered socialization in early childhood and preadolescence shapes subsequent same-sex romantic preferences.

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