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macrocephalopod's profile
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@macrocephalopod

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macrocephalopod

@macrocephalopod

Paul Allen, Vice President M&A, Pierce & Pierce (Sie/Hir) | Vegan | Silence is Violence | Women’s Rights Are Human Rights | ACAB (Assigned Cephalopod At Birth)

Joined December 2020

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    1. macrocephalopod‏ @macrocephalopod 26 Mar 2021

      macrocephalopod Retweeted Aaron Clauset

      [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 …

      macrocephalopod added,

      Aaron Clauset @aaronclauset
      9/ To close: Faculty tend to come from highly educated families. But, for murky reasons: how does a parent’s PhD help a child become faculty, at an elite job? Perhaps identifying with academic ideals? Early opportunities academia values? Role models? 🤷🏼 We’d love to know.
      Show this thread
      8 replies 0 retweets 50 likes
    2. Alex Gerko‏ @AlexanderGerko 26 Mar 2021
      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:)

      1 reply 0 retweets 6 likes
    3. macrocephalopod‏ @macrocephalopod 26 Mar 2021
      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

      4 replies 0 retweets 8 likes
    4. Alex Gerko‏ @AlexanderGerko 26 Mar 2021
      Replying to @macrocephalopod

      https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4270739/ … your numbers seem low

      1 reply 0 retweets 1 like
      macrocephalopod‏ @macrocephalopod 26 Mar 2021
      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 …)

      3:25 AM - 26 Mar 2021
      • 1 Like
      • Veronica Humble
      2 replies 0 retweets 1 like
        1. macrocephalopod‏ @macrocephalopod 26 Mar 2021
          Replying to @macrocephalopod @AlexanderGerko

          Admittedly it would be helpful if the word "heritability" didn't mean something completely different from what it sounds like it means.

          0 replies 0 retweets 1 like
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        1. Veronica Humble‏ @veronica_humble 26 Mar 2021
          Replying to @macrocephalopod @AlexanderGerko

          Also all these studies look at school performances, probability of finishing high school, IQ etc. Academia is by all accounts not general population, but the right tail. Generalise correlation onto it is problematic and much more difficult to disentangle from social effects

          0 replies 0 retweets 3 likes
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