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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. Inquisitive Bird‏ @Scientific_Bird Apr 11
      • Report Tweet

      Inquisitive Bird Retweeted Saskia Selzam

      Not surprising that within-family IQ genetic prediction is low. Not because genetic influence on IQ is weak. The association studies are weak. Low sample size and very poor IQ measure (literally 2 minute test) How to do it: Get 2 million sibling pairs with a _good_ IQ test.https://twitter.com/SaskiaSelzam/status/1116072325575782401 …

      Inquisitive Bird added,

      Saskia Selzam @SaskiaSelzam
      WF DZ twin pair polygenic score difference quantile analysis showed that difference in highest vs lowest quantile was 8.7cm for height, 2.9 BMI points, and almost half a school grade (IQ difference was not significant) pic.twitter.com/P1PfWKB13F
      Show this thread
      2 replies 1 retweet 31 likes
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    3. Inquisitive Bird‏ @Scientific_Bird Apr 11
      • Report Tweet

      That's the intelligence measure they use in this particular sample (the twins). The one they're trying to predict. I'm talking about the intelligence test that has been used for genome-wide association for intelligence.

      1 reply 0 retweets 2 likes
    4. Emil O W Kirkegaard‏ @KirkegaardEmil Apr 11
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      Replying to @Scientific_Bird @adamlewisgreen

      They didn't use tests. This is the EA PGS.

      2 replies 0 retweets 2 likes
    5. Andrew Cutler‏ @AndrewCutler13 Apr 11
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      Replying to @KirkegaardEmil @Scientific_Bird @adamlewisgreen

      Which I thought has higher accuracy for predicting test scores than edu?

      1 reply 0 retweets 0 likes
      Emil O W Kirkegaard‏ @KirkegaardEmil Apr 11
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      Replying to @AndrewCutler13 @Scientific_Bird @adamlewisgreen

      No, because the tests are worse quality data, and much smaller sample size, so the PGS model for IQ is worse than PGS model for EA to predict IQ. The EA one is also contaminated with EA variance, as can be problematic, and IMO the main finding of this study.

      3:00 PM - 11 Apr 2019
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      • Inquisitive Bird
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