They're in SF, which still has an easy-to-find gay population. I wonder if the Mythbusters could handle this. It lends itself to the really fun sort of test you can do in a bar and, without realizing it, change the outcome because of what you already know about the person and subtle changes in how you hold their hand. What I'm saying is this: it's an unreliable measurement technique unless you have standardized tools and lab equipment. That is, until I let my shoulder relax, the angles changed, and I suddenly realized Angenlina Jolie has many attractive characteristics. Then I cocked my wrist and suddenly wanted. Then I pulled my fingers more tightly together, and I was straight again. I, falling firmly toward the hetero male end of the spectrum, slapped my hand on the counter and was forced to realize that I am gay. But too lazy to research the rebuttal and edit the page.Ģd:4d length sounds like bunk to me, mostly because it is so easy to measure (it can be done by anyone) and so easy to mismeasure. * determine the sex of drawers of Palaeolithic hand stencils found in European and Indonesian cavesĢd:4d effects has also supposedly been demonstrated in gorillas, chimpanzees, mice, rats, and zebra finches. * handedness, autism, other immune diseases * Fraternal birth order effect on digit ratio. * Difference in digit ratio between identical female twins discordant for sexual orientation Some studies correlate male homosexuality and 2D:4D positively, others negatively. * Gay vs straight men, but most studies find no differences in digit ratio between gay and straight men. * Bem sex role score in women erotic role preferences in gay men. * Exam scores: a higher ratio is correlated with higher exam scores among male students * Perceived 'dominance' and masculinity of man's face The ratio of two digits in particular the palmar 2nd ( index finger) and 4th ( ring finger) is supposedly affected by fetal exposure to hormones, in particular to testosterone, and other androgens this 2D:4D ratio could therefore be considered a crude measure for prenatal androgen exposure, with lower 2D:4D ratios pointing to higher prenata. * Risk for eating disorders in females and males A single ratio of finger length, can apparently determine all of the following in humans: * Sperm counts The Wikipedia entry is crazy stupid on this topic. I have to admit this is a new one on me, but it's obvious to me that it's complete BS.
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