[hesitantly raising hand in seminar] do you think ... possibly ... there might be nepotism at work here? is that a thing we should study? or inherited strong networks and superior networking opportunities? but mostly, like, nepotism? [gunshot rings out]https://twitter.com/aaronclauset/status/1375116257473789953 …
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Replying to @macrocephalopod
Tiger parenting, generally much higher value placed on education by parents, and I am sure genetics plays a big role (twin studies). I'd expect much less nepotism in academia than in, say, investment bank:)
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Replying to @AlexanderGerko
Heritability not strong enough for genetics to play a big role -- corr between parent IQ and child IQ is 22% if they live apart (42% if they live together) which could explain parents of faculty having PhDs at a rate 1.2-1.5x more than general pop, but observed rate is 25x
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Replying to @macrocephalopod
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4270739/ … your numbers seem low
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Replying to @AlexanderGerko
80% heritability means that 80% of variance in a population is explained by *individual* genetics (this is what twin studies measure). What we care about here is the variance explained by parental genetics, which is much lower (e.g. see here - https://en.wikipedia.org/wiki/Heritability_of_IQ#Correlations_between_IQ_and_degree_of_genetic_relatedness …)
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Admittedly it would be helpful if the word "heritability" didn't mean something completely different from what it sounds like it means.
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