- fraternal birth-order effect
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The proposition that a man with older brothers is more likely to be homosexual than a man without older brothers.
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fraternal birth-order effect
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Fraternal birth order and sexual orientation — A correlation between fraternal birth order and sexual orientation has been suggested by recent research. Ray Blanchard identified the association and referred to it as the fraternal birth order effect. The observation is that the more older… … Wikipedia
Fraternal birth order and male sexual orientation — A correlation between fraternal birth order and male sexual orientation has been suggested by research. Ray Blanchard identified the association and referred to it as the fraternal birth order effect. The observation is that the more older… … Wikipedia
Birth order — can affect human psychology, though many supposedly formative effects of birth order are instead related to other factors. Birth order is defined as a person s rank by age among his or her siblings. Birth order is often believed to have a… … Wikipedia
Order of the Arrow — Owner … Wikipedia
Homosexual orientation — is a sexual orientation. The term is used to refer to an enduring pattern of or disposition to experience sexual, affectional, or romantic attractions primarily to people of the same sex; it also refers to an individual’s sense of personal and… … Wikipedia
Homosexuality — Sexual orientation Orientations Asexual · Bisexual · Heterosexual · Homosexual … Wikipedia
Ray Blanchard — birth place = Hammonton, New Jersey, USA death date = death place = residence = Canada citizenship = United States, Canada ethnicity = fields = Psychology, Sexology workplaces = Centre for Addiction and Mental Health, Toronto alma mater =… … Wikipedia
Environment and sexual orientation — Sexual orientation Orientations Asexual · Bisexual · Heterosexual · Homosexual Gender based alternative concepts Androphilia and gynephilia · Human female sexuality … Wikipedia
Neuroscience and sexual orientation — Sexual orientation Orientations Asexual · Bisexual · Heterosexual · Homosexual Gender based alternative concepts Androphilia and gynephilia · Human female sexuality … Wikipedia
Multiple birth — Quadruplet , quintuplet , etc. redirect here. For the musical use of the terms, see tuplet. Triplet brothers at graduation. Identical triplets are extremely rare, something that occurs only once in every 500,000 births. A multiple birth occurs… … Wikipedia
