Betas and residualized variables / does non-g ability predict GPA?

https://twitter.com/KirkegaardEmil/status/641272758257717248 https://twitter.com/pnin1957/status/641284556818096128 Let's test that. Since we don't have the original data, we can't use that. We can however use open datasets. I like to use Wicherts' dataset. So let's…

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Meisenberg’s new book chapter on intelligence, economics and other stuff

G.M. IQ & Economic growth I noted down some comments while reading it. --- In Table 1, Dominican birth cohort is reversed.   “0.70 and 0.80 in world-wide country samples.…

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Causal effect of education on IQ scores using the discordant twin design?

Recently, the twin-control design has been used to test causal models (e.g. exercise→happiness, exercise→¬depression/anxiety symptoms, casual sex→depression/suicidal thoughts). The theory is simple. Suppose we do a standard cross-sectional design study…

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Review: G Is for Genes: The Impact of Genetics on Education and Achievement (Kathryn Asbury, Robert Plomin)

https://www.goodreads.com/book/show/17015094-g-is-for-genes http://gen.lib.rus.ec/book/index.php?md5=97ac0ec914522d3c888679e9c02291c6 So i kept finding references to this book in papers, so i decided to read it. It is a quick read introducing behavior genetics and the results from…

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Comment on CPGGrey’s new video on the future of automatization

https://www.youtube.com/watch?v=7Pq-S557XQU Posted on reddit.   This is your best film yet, and that says something. For automatization for clinical decisions, it has been known for decades that simple algorithms are…

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