Volvivity, Femininity, Fraternity: Breaching the Sexual Orientation Fortress
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DOI: 10.1007/s10508-017-1101-7
Abstract: Blanchard’s (2017) latest meta-analysis pertaining to male sexual orientation and the fraternal birth order effect (FBOE) ends with the following observation: ‘‘the simple fact of the FBOE’s existence... seems beyond doubt at this point.’’While the… read more here.
Keywords: order; birth order; among cisgender; fraternal birth ... See more keywords
Does Fraternal Birth Order Predict Male Homosexuality, Bisexuality, and Heterosexual Orientation with Same-Sex Attraction? Evidence from a Greek-Speaking Sample from Greece
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DOI: 10.1007/s10508-019-01466-3
Abstract: Studies have established that having older brothers is associated with an increased incidence of male homosexuality. This so-called fraternal birth order effect has been found in different times and cultural settings. The current study attempted… read more here.
Keywords: greek speaking; sex; male homosexuality; birth order ... See more keywords
A method yielding comparable estimates of the fraternal birth order and female fecundity effects in male homosexuality
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DOI: 10.1098/rspb.2019.2907
Abstract: The fraternal birth order effect (FBOE) is the finding that older brothers increase the probability of homosexuality in later-born males, and the female fecundity effect (FFE) is the finding that the mothers of homosexual males… read more here.
Keywords: female fecundity; homosexuality; birth order; male homosexuality ... See more keywords