Big hammer for a small, stupid nail, but what you should link to anyone buying the "intelligence is inherited from mother" headlineshttps://twitter.com/KirkegaardEmil/status/923709236898545664 …
Perhaps, but someone needed to write the reference post, so we can all just cite that and move on.
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yep, yep, I thank you for it! Just that it's a shame bad science journalism spreads so fast
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See if you can find some newer studies that report these sex-disaggregating family links. I wasn't able to find any. Odd.
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only one I can recall is http://sci-hub.cc/10.1007/s10519-015-9730-x … which uses adoption data to claim prenatal environment is important for IQ
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(not sure if you disagree with it or didn't know about this one, I know you don't believe there is much evidence for in utero effects)
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The original claim is about sex-linked genetics, adoption studies are irrelevant.
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yeah, I'm just saying the most recent one I know does find higher mother-offspring correlation, but interprets it as non-genetic
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Loehlin probably sees IQ as polygenic enough to dismiss the X chromosome mechanism, aside from a few diseases like you say.
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His study is way too imprecise for this kind of thing. His paper is a how-to paper for people with larger samples.
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