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KirkegaardEmil's profile
Emil O W Kirkegaard
Emil O W Kirkegaard
Emil O W Kirkegaard
@KirkegaardEmil

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Emil O W Kirkegaard

@KirkegaardEmil

#psychology #genomics #hbd #rstats #statistics #genomics #transhumanism #dataviz #openscience #psychometrics @OpenPsychJour

Denmark
emilkirkegaard.dk
Joined January 2012

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    1. Gregory Cochran‏ @gcochran99 19 May 2018
      • Report Tweet
      Replying to @bechhof @Biorealism and

      I didn't ascribe it entirely to genetics: I assumed a narrow-sense heritability of 0,5, which is a reasoanble estimate by the way. I assumed that the environments are similar to the mainland. nothing more.

      1 reply 0 retweets 8 likes
    2. Nathaniel Bechhofer  🌐‏ @bechhof 19 May 2018
      • Report Tweet
      Replying to @gcochran99 @Biorealism and

      Nathaniel Bechhofer  🌐 Retweeted Gregory Cochran

      https://twitter.com/gcochran99/status/997759680721006592?s=21 …

      Nathaniel Bechhofer  🌐 added,

      Gregory Cochran @gcochran99
      Replying to @bechhof @Biorealism and 4 others
      If I took a set of people from the top half of the IQ distribution and dropped them on an island, there would then be a group with a higher average IQ, entirely due to genetic differences.
      1 reply 0 retweets 1 like
    3. Gregory Cochran‏ @gcochran99 19 May 2018
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      Replying to @bechhof @Biorealism and

      Their descendants, natch. First generation has both good genes and better than average luck. Genes persist in later generations, luck does not.

      2 replies 1 retweet 6 likes
    4. Nathaniel Bechhofer  🌐‏ @bechhof 19 May 2018
      • Report Tweet
      Replying to @gcochran99 @Biorealism and

      Luck does not is a very very strong claim that seems highly unlikely to me.

      1 reply 0 retweets 0 likes
    5. Gregory Cochran‏ @gcochran99 19 May 2018
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      Replying to @bechhof @Biorealism and

      "Luck", in terms of the factors that influence IQ, does not seem to include much shared family environment, at least not in typical western societies. Probably hitting the kid on the head with a hammer actually _would_ make a difference, but few people do that.

      1 reply 3 retweets 12 likes
    6. Nathaniel Bechhofer  🌐‏ @bechhof 19 May 2018
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      Replying to @gcochran99 @Biorealism and

      Yeah but it almost certainly includes how wealthy the society is

      3 replies 0 retweets 0 likes
    7. James Thompson‏Verified account @JamesPsychol 19 May 2018
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      Replying to @bechhof @gcochran99 and

      Very probably not.

      2 replies 0 retweets 1 like
    8. Saloni  🏳️‍🌈‏ @salonium 19 May 2018
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      Replying to @JamesPsychol @bechhof and

      Even if the main effects of wealth or poverty were small, they interact with shared environment in IQ so what @bechhof says seems plausible to mehttp://journals.plos.org/plosone/article?id=10.1371/journal.pone.0030320 …

      5 replies 0 retweets 9 likes
    9. Emil O W Kirkegaard‏ @KirkegaardEmil 19 May 2018
      • Report Tweet
      Replying to @salonium @JamesPsychol and

      Seems not. http://infoproc.blogspot.com/2017/12/low-ses-does-not-decrease-heritability.html …

      1 reply 0 retweets 2 likes
    10. Saloni  🏳️‍🌈‏ @salonium 19 May 2018
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      Replying to @KirkegaardEmil @JamesPsychol and

      That's GxE, not CxE.

      1 reply 0 retweets 0 likes
      Emil O W Kirkegaard‏ @KirkegaardEmil 19 May 2018
      • Report Tweet
      Replying to @salonium @JamesPsychol and

      Same same in this context (because standardized heritability etc. are ratios of all variance, increase in E variance means lower relative G variance).

      2:15 PM - 19 May 2018
      1 reply 0 retweets 0 likes
        1. Saloni  🏳️‍🌈‏ @salonium 19 May 2018
          • Report Tweet
          Replying to @KirkegaardEmil @JamesPsychol and

          Changes in h2 aren't necessarily indicative of interactions, whereas the paper I linked looks at it directly.

          0 replies 0 retweets 0 likes
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