The Bird paper, and hereditarian predictions
I keep getting asked about this, so I figure a short note is in order. Some months ago, Commie Kevin (Twitter) AKA. Kevin Bird published an anti-hereditarian study: Bird, K.…
New paper out: Genetic ancestry and social race are nearly interchangeable
I've got a new paper out of some nontrivial interest to many. Kirkegaard, E. O. W. (2021). New paper out: Genetic ancestry and social race are nearly interchangeable. OpenPsych It…
Exercise for depression: the evidence does not support this treatment
I've written about this before (in 2014, and in 2017), but due to popular demand, we cover it again. The topic is very important because depression is perhaps the most…
Heritabilities are usually underestimated
When we read popular books by leading authors, we often find statements like this: Since the 1960s scientists conducting long-term studies on special relatives like twins and adoptees have built…
Wealth gains and IQ gains since Ron Unz’ 2012 post
In 2012, Ron Unz (of Unz.com) wrote a long article with the title Race, IQ, and Wealth published in The American Conservative (follow-up also in 2012 Race/IQ: Irish IQ &…
In favor of race science
What shall we call the study of human races? I mean, in a sense, this is part of anthropology, the study of man, which would include the varieties of man…
Woke behavioral geneticists
Book review of The Genetic Lottery: Why DNA Matters for Social Equality by Kathryn Paige Harden. Most people know about the top woke biologists of the past. I am of…
State of genetic predictions: an example
While we don't take anecdotes too seriously on this blog, here I will present a small one. If you are one of those who have purchased genetic test results from…
p > .05 thus no effect thus familial confounding fallacies
Reading over some sibling control studies, BIG TOUGH GUY mentioned this quite wrong study: Meier, S. M., Mors, O., & Parner, E. (2017). Familial confounding of the association between maternal…
Thou shallt not look at the polygenic scores
With the coming of Open Science principles, many scientific institutions who were previously aggressively guarding their data decided to put them out for public consumption. Mostly this means other academics…
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