Agonistic behavior in preschool children: A comparison of same-sex versus opposite-sex interactions
نویسندگان
چکیده
منابع مشابه
Families: A Comparison With Children of Opposite-Sex Parents Civic Competence of Dutch Children in Female Same-Sex Parent
This study examined whether Dutch children reared in families headed by female same-sex parents differ in civic competence from Dutch children reared by opposite-sex parents. The participants, drawn from a national sample, included 32 children (11-13 years old) parented by female same-sex couples who were matched on demographic characteristics with 32 sameaged children parented by opposite-sex ...
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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...
متن کاملRisk of Sex-Specific Cancers in Opposite-Sex and Same-Sex Twins in Denmark and Sweden.
BACKGROUND Increasing evidence shows that some cancers originate in utero. It is hypothesized that elevated exposure to some steroid hormones might increase cancer risk and that hormone transfer between twin fetuses could result in different prenatal exposure to testosterone. METHODS This large-scale prospective twin study compared opposite-sex (OS) and same-sex (SS) twins to test the impact ...
متن کاملAcademic performance of opposite-sex and same-sex twins in adolescence: A Danish national cohort study.
Testosterone is an important hormone in the sexual differentiation of the brain, contributing to differences in cognitive abilities between males and females. For instance, studies in clinical populations such as females with congenital adrenal hyperplasia (CAH) who are exposed to high levels of androgens in utero support arguments for prenatal testosterone effects on characteristics such as vi...
متن کاملA Comparison of Anthropometric, Metabolic, and Reproductive Characteristics of Young Adult Women from Opposite-Sex and Same-Sex Twin Pairs
BACKGROUND Prenatal exposure to androgens has been linked to masculinization of several traits. We aimed to determine whether putative female intra-uterine exposure to androgens influences anthropometric, metabolic, and reproductive parameters using a twin design. METHODS Two cohorts of Finnish twins born in 1975-1979 and 1983-1987 formed the basis for the longitudinal FinnTwin16 (FT16) and F...
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ژورنال
عنوان ژورنال: Bulletin of the Psychonomic Society
سال: 1986
ISSN: 0090-5054
DOI: 10.3758/bf03330499