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The necessities and luxuries of mate preferences: testing the tradeoffs.
Three studies supported the hypothesis that women and men first ensure sufficient levels of necessities in potential mates before considering many other characteristics rated as more important in prior surveys. Expand
Childhood sex-typed behavior and sexual orientation: A conceptual analysis and quantitative review.
This article reviewed research examining the association between childhood sex-typed behavior and sexual orientation. Prospective studies suggest that childhood cross-sex-typed behavior is stronglyExpand
Effects of gender and sexual orientation on evolutionarily relevant aspects of human mating psychology.
This research examined tests of several sex differences in mating psychology predicted from sexual selection theory, broad developmental hypotheses about sex differencesIn mating psychology--through the relationship of mating psychology to sexual orientation, and the structure of within-sex differences in mate psychology. Expand
A Sex Difference in the Specificity of Sexual Arousal
The results for females are unlikely to be explained by ascertainment biases, and suggest that sexual arousal patterns play fundamentally different roles in male and female sexuality. Expand
Sexual Orientation, Controversy, and Science
Ongoing political controversies around the world exemplify a long-standing and widespread preoccupation with the acceptability of homosexuality, and the most contentious scientific issues have concerned the causes of sexual orientation. Expand
Genetic and environmental influences on sexual orientation and its correlates in an Australian twin sample.
Assessment of sexual orientation and 2 related traits: childhood gender nonconformity and continuous gender identity suggested that the causal architecture differed between men and women, and provided significant evidence for the importance of genetic factors to the traits' covariation. Expand
Genetic influences on handedness: Data from 25,732 Australian and Dutch twin families
Analysis from a large international collaborative study of handedness in Australian and Dutch twins and their siblings revealed no evidence of hormonal transfer, mirror imaging or twin specific effects and additive genetic effects accounted for about a quarter of the variance. Expand
A sex difference in features that elicit genital response
The results of this study suggest that stimulus features necessary to evoke genital arousal are much less specific in women than in men. Expand
Butch, femme, or straight acting? Partner preferences of gay men and lesbians.
On average, gay men are somewhat feminine and lesbians somewhat masculine, but there is variation within each group. The authors examined the consequences of this variation for gay men's andExpand
A genetic study of male sexual orientation.
Homosexual male probands with monozygotic cotwins, dizygotic cotwins, or adoptive brothers were recruited using homophile publications. Sexual orientation of relatives was assessed either by askingExpand