But in our analysis, the difference between the number of maternal older half-brothers ( M = 0.07, SD = 0.29) and paternal older half-brothers ( M = 0.05, SD = 0.25) in the sample of gay men did not reach statistical significance ( p = 0.134).
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Examining the Fraternal Birth Order Effect and Sexual Orientation: Insights from an East European Population.
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0.1340
0.1340