Emil O. W. Kirkegaard blog
A new preprint is out on a massive many teams study. In this design, a single dataset (or database) is given to a bunch of researchers, and they are asked to answer some questions (research hypotheses). They are left to their own choices in how to deal with the data, transformations, outliers, models, and so…
Continue ReadingI do not maintain any strong position on the claim at all. The only thing I say is that I think the claim (of substantial difference in mean) is currently not based on strong evidence. Further, to solve the question, I argue the best bet is to get better within-family evidence. — Inquisitive Bird (@Scientific_Bird)…
Continue ReadingThe companion video for the paper, published back in December
Continue ReadingJared asked me if I wanted to summarize recent work in the field, based on a new review article by Ian Deary, Simon R. Cox & W. David Hill. Well, I did: American Renaissance: Genes, Brains, and Intelligence: What’s New?
Continue ReadingPrior posts touching on Gregory Clark: What does money buy? Selected readings from lottery studies, Thinking about intergenerational stability of socioeconomic status Updated 2020-02-23: Actually, cancellation comes for Gregory Clark too, Steve Sailer has the story write-up: Economic Historian Gregory Clark’s Lecture on “For Whom the Bell Curve Tolls” Is Postponed for Crimethink Most people…
Continue ReadingSometimes I take the time to read a ‘normal’ book. This was one of them, prompted by some friends who wanted my opinion. The best thing I can say about this book is that it is short. It’s rather boring. It consists mostly of vague predictions, mostly hedged in the extreme, about the future. It’s…
Continue ReadingThis figure is flowing around Twitter recently: The usual commentary is simply to notice the Y axis. Chicago men having a homicide rate of 900, and those in England and Wales of 30. That’s 30x. Asking around, no one could provide me with the direct source, neither for The Economist, nor the scientific source —…
Continue ReadingIt appears this comment was deleted and I’ve checked the archive sites, and none of them appear to have just the right time in between him posting it and it being deleted. I assume it’s because Scott saw the tweets, decided this comment was in the category “Things I will regret posting” and then preemptively…
Continue ReadingA friend asked me to give him some pointers to the recent evidence on dysgenics, or the selection against valued traits. Challenge was accepted. This is not an exhaustive review. It’s a summary of stuff I found interesting. If you want a longer and more pessimistic review, read the recent book by Sarraf et al…
Continue ReadingI have written on the children produced by mixed-race couples before, and since it went so well, it’s time to try again. Only this time, another angle: the parents themselves. Someone reminded me of research showing that mixed-race marriages are less stable. So I had a look at the literature, tweeting my findings while skimming…
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