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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. Emil O W Kirkegaard‏ @KirkegaardEmil 14 Mar 2017
      • Report Tweet

      Is pupil size (at baseline) related to intelligence? Yes, but not very much. r ≈ .05.pic.twitter.com/xXqmoHPoKq

      2 replies 4 retweets 9 likes
    2. Michael J. Kane‏ @Kane_WMC_Lab 14 Mar 2017
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      Replying to @KirkegaardEmil

      Interesting. Data source? Engle's group finds a stronger association with more fluid intelligence measures: http://englelab.gatech.edu/2016/Tsukahara,%20Harrison,%20and%20Engle_2016.pdf …

      1 reply 0 retweets 1 like
    3. Emil O W Kirkegaard‏ @KirkegaardEmil 14 Mar 2017
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      Replying to @Kane_WMC_Lab

      Work in progress. Data is VES, n≈4400. https://www.cdc.gov/nceh/veterans/default1c.htm … We will be releasing this as an open dataset for all. :) @Kane_WMC_Lab

      1 reply 0 retweets 2 likes
    4. Emil O W Kirkegaard‏ @KirkegaardEmil 14 Mar 2017
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      Replying to @KirkegaardEmil

      I was lazy and only used AFQT for this, but will use g factor from ~20 tests later. http://rpubs.com/EmilOWK/VES_dataset_paper … @Kane_WMC_Lab

      1 reply 0 retweets 1 like
    5. Timofey Pnin‏ @pnin1957 14 Mar 2017
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      Replying to @KirkegaardEmil @Kane_WMC_Lab

      Maybe unreliable pupil var? What's your regression of pupil size on IQ? 1 SD in IQ -> .45 mm in earlier study.

      1 reply 0 retweets 0 likes
    6. Emil O W Kirkegaard‏ @KirkegaardEmil 14 Mar 2017
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      Replying to @pnin1957

      Read the link and you will see that left eye x right eye is r = .97. @pnin1957 @Kane_WMC_Lab

      1 reply 0 retweets 0 likes
    7. Timofey Pnin‏ @pnin1957 14 Mar 2017
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      Replying to @KirkegaardEmil @Kane_WMC_Lab

      That seems like a strong indication of unreliability, given how common anisocoria is: https://en.wikipedia.org/wiki/Anisocoria 

      1 reply 0 retweets 0 likes
    8. Timofey Pnin‏ @pnin1957 14 Mar 2017
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      Replying to @pnin1957 @KirkegaardEmil @Kane_WMC_Lab

      The unstandardized regression slope would be interesting as measurement error in DV doesn't bias it.

      1 reply 0 retweets 0 likes
    9. Emil O W Kirkegaard‏ @KirkegaardEmil 14 Mar 2017
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      Replying to @pnin1957

      I guess you can examine that when the data comes out. :) It is only intended to showcase the dataset. @pnin1957 @Kane_WMC_Lab

      1 reply 0 retweets 0 likes
    10. Timofey Pnin‏ @pnin1957 14 Mar 2017
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      Replying to @KirkegaardEmil @Kane_WMC_Lab

      Okay :) My prediction is that much of the discrepancy b/w your and earlier results may be due to unreliability

      1 reply 0 retweets 0 likes
      Emil O W Kirkegaard‏ @KirkegaardEmil 14 Mar 2017
      • Report Tweet
      Replying to @pnin1957

      Your suggestion fails the reversal test. http://andrewgelman.com/2016/01/26/more-power-posing/ … @pnin1957 @Kane_WMC_Lab

      6:31 PM - 14 Mar 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        1. Timofey Pnin‏ @pnin1957 15 Mar 2017
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          Replying to @KirkegaardEmil @Kane_WMC_Lab

          Not really. Tsukahara's precision seems to be .1 mm, you seem to have 1 mm. Should cause some diffs in corrs.

          1 reply 0 retweets 0 likes
        2. Emil O W Kirkegaard‏ @KirkegaardEmil 15 Mar 2017
          • Report Tweet
          Replying to @pnin1957

          Very slight. Why don't you just simulate data and see? Don't be so lazy. @pnin1957 @Kane_WMC_Lab

          1 reply 0 retweets 0 likes
        3. Timofey Pnin‏ @pnin1957 15 Mar 2017
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          Replying to @KirkegaardEmil @Kane_WMC_Lab

          Nah, that sounds like work. Tsukahara had 95% CI .25-.45, so I'd be surprised if there are no moderators.

          0 replies 0 retweets 0 likes
          4. End of conversation

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