but it extrapolates that to the level of the whole society, implying that reduced fertility among talented social climbers has a societal net of "shredding IQ". I don't think that claim is justified because it discounts influx of new talented people.
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Replying to @danlistensto @notsonyaforwork and
Say we had a rule: you must be "this tall" to go to the city. City would get tall, country short, no? Now: city has one kid and country has three. We've only been doing it for three generations. Breeders equation can tell you the rest.
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Replying to @djinnius @danlistensto and
There are free parameters. The direction of the constraints couldn't be clearer from the data.
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Replying to @djinnius @notsonyaforwork and
I don't think it's as simple as "city would get tall, country would get short". Yes, city would get tall. No, country wouldn't necessarily get short. It's not nearly as closed a system as the city, and it's supply of tallness is not so finite.
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Replying to @danlistensto @notsonyaforwork and
oh you get paid more in the city, are awarded higher social standing, and have more sex partners. tall people tend to choose the city. even if they have short parents. maybe especially if.
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Replying to @djinnius @notsonyaforwork and
granted. I find the argument that city gets influx of tall immigrants, and net increase in local tallness over time, to be coherent. It's the other half I'm questioning. Country does not necessarily get "drained".
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Replying to @danlistensto @notsonyaforwork and
genes is as genes does you can't have one without the other
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Replying to @djinnius @danlistensto and
ascribin' a lot more heritability to tallness/IQ than warranted, i think; recessives and sporting happen after all
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Replying to @palecur @danlistensto and
I'm ascribing it a fairly standard "nearly two thirds and the last third is mostly damage with little buffing"
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is this actually true? do we have data? (very far from my experience)
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fairly skeptical, expect ample sample bias who's most likely to write books about their experience with their parents, you know?
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