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Living in the San Francisco Bay Area provides many benefits: good food, great activities, incredible landscape. For me, however, the Bay Area is SOO special, because it caters to a fabulously diverse array of residents. For example, each year San Franciscans can take to the streets to herald in spring during the Cherry Blossom Festival in Japantown, celebrate the beauty of leather during Folsom Street Fair, or stomp their feet and slap their thighs to the music at the completely free – Hardly, Strictly, Bluegrass. The variety of interests, cultures, traditions, and values in the Bay Area is a beautiful thing.
One interesting result of this diversity is that single, female San Franciscans are not often surprised when a man they’ve been eyeing all night, leaves the bar, with his boyfriend, not his girlfriend. San Francisco is, after all, home to The Castro - one of America’s first and arguably the best known, gay neighborhoods. Perhaps over the years women in San Franscisco have become especially adept at judging who is straight from who is gay (or who falls somewhere along the continuum). Interestingly, however, recent research has shown that women’s accuracy in judging male sexual orientation does fluctuate. Not by city (though someone should do that study) but instead by fertility (ability to conceive) across the menstrual cycle. Here’s the study…
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Dr. Rule found that participants were overall better than chance in judging whether a target was gay or straight regardless if the target was a man or a women. Participants nearer to peak fertility (ovulation), however, were more accurate in judging the sexual orientation of male targets than participants further from ovulation. The accuracy of their judgments of female targets, however, did not vary with fertility.
According to evolutionary psychology theory, women’s reproductive success relates to their ability to find a viable partner when their interest in mating is high. The time of high fertility near ovulation (when sex can actually translate into pregnancy and thus the passing along of one’s genetic material) is a time of increased mating interest (even if it’s at a biological level, not a conscious level). According to the authors, women are therefore more attuned to cues of sexual orientation (in men) during periods of high fertility - when they “want” to find a mate AND need to locate a viable mate – one who is indeed interested in women. As attending to sexual orientation cues in other women does not boost their chances of reproductive success, there is no corresponding increase in the accuracy of these judgments near to ovulation.
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Together, these results suggest that the ability to decipher male sexual orientation fluctuates as a function of mating interest, which can vary with fertility status, or by cues in the environment. They also raise some interesting questions. For example, if the study was replicated with a sample of gay women would we see the same results or would they be more accurate in judging the sexual orientation of female targets nearer to ovulation? Prior research suggests it might be the latter. For example, in one study heterosexual women were found to categorize male faces faster than female faces at high fertility, but this finding was reversed in gay women – they categorized female faces faster at high fertility (Brinsmead-Stockham, Johnston, Miles, & Macrae, 2008). Given that a male’s current relationship status is another important determinant of mate viability, it would be interesting to assess if women are better able to pick up relationship status cues when mate interest is high. Finally, what about men? Does their ability to detect female sexual orientation vary with changes in mating interest? What do you think?
The article:
Rule NO, Rosen KS, Slepian ML, & Ambady N (2011). Mating interest improves women's accuracy in judging male sexual orientation. Psychological science, 22 (7), 881-6 PMID: 21670428
How does one determine whether a person is gay based on physical characteristics and/or behavior? I learned in my human sexuality class that we can't really determine one's sexual orientation by just looking or observing them. Of course there are some obvious once. Can you feature the nature of "gaydar" on your blog ?
ReplyDeleteYour question is a good one. The authors don't address what cues the participants used to determine whether the target was straight or gay. What exactly are they tuning into during high fertility that they miss outside that window? The answers are unclear. Remember, these were just photos, and again, the gay and straight targets were no different in terms of emotional expression, attractiveness, or use of make-up. None of them were wearing adornments like facial hair or jewelry.
ReplyDeleteWhat we do know is that the authors encouraged participants to use their intuition in making the judgments, and even outside of peak fertility they were better than chance at guessing the targets' sexuality.
Thanks for your comment!
Law professor Eugene Volokh explores this topic in a post at the Volokh Conspiracy.
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