We typically study social mobility to track inequality of opportunity. When children end up with very similar levels of education as their parents, we should be concerned. Right? 2/10pic.twitter.com/E1pHgn2Xfz
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Skeptics have always been able to dismiss this view: isn’t it all about genetically transmitted ability anyway? We haven’t always had great answers; identifying the mechanisms is hard! 3/10pic.twitter.com/hdYDGIakom
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Behavior genetics tackles this question by studying twins, who share half or all their genes. The more similarly identical twins fare compared to fraternal ones, the more genes matter. 4/10pic.twitter.com/XV62k0Epyz
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These studies are often used to argue that nurture is overrated. But it’s easy to lose track of institutional context ≈ environment that affects everyone. 5/10pic.twitter.com/FQgtL0oXAM
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We wanted to know: does the balance of nature v. nurture differ if you grew up in a place conducive to social mobility? We looked at some 10 countries and several cohorts. 6/10pic.twitter.com/wLtrEM8HS7
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In places with low intergenerational mobility, family environment does more explanatory work. Where institutions promote mobility, social inheritance fades and leaves genetic influences. 7/10pic.twitter.com/g6gfNZsQ8A
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This means that while genes and environment both influence education, *variation* in mobility is linked to social inheritance, not genes. Context matters! 8/10pic.twitter.com/XMWvk0YVfj
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So, while genes will arguably always influence outcomes, where there is less mobility this is because better-off parents can help their children by other means. 9/10pic.twitter.com/mQKZjsT0wp
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Thank you to
@worldbankdata and Branigan, McCallum, &@jeremyfreese for the data we use in this study. Supplementary materials at the link. 10/10https://osf.io/c549j/Prikaži ovu nit
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Very nice. Seems consistent with the science paper from the 80s analyzing Norwegian twins.
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Very much so, Heath et al were a huge inspiration. I hear
@torkildl is busy at work with an update...
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Čini se da učitavanje traje već neko vrijeme.
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