@sarahdoingthing @AnarchoPapist Semi-OT, this is one reason I'm surprised that modest (non-environmental) birth order effects fail scrutiny
@AnarchoPapist consider how harmful it is to conceive with old sperm (paternal age effect on IQ, e.g.)
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@NineBandedBooks@AnarchoPapist I *think* the good ones are controlling for paternal age but I'm not sure - was just reading this stuff - 6 more replies
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@sarahdoingthing@AnarchoPapist One large study out of Sweden found no paternal age effects on IQ. -
@sarahdoingthing@AnarchoPapist Though there was a bit of obfuscation there so I'll have to get back to you. - 1 more reply
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