On Paul Bloom’s Psych (2023)
Psychology is a popular field, so there's quite a big market for introductory textbooks. I occasionally read these just to see how authors are introducing and treating various topics. In…
Polygenic score validity and group differences
Probably the most common objection to studies of polygenic scores for education/intelligence for race differences is that the polygenic scores are less valid for non-European populations. For instance, here's a…
Might makes right, well, sort of
In moral philosophy, there is a theory of morality which is nearly universally used as a wrong-headed theory. It's the might makes right theory. In other words, whoever is in…
Of course it matters whether group differences are genetic in origin
It is sometimes said that as long as we accept the various group differences in society, it doesn't matter what the etiology really is. For instance, here's Richard Hanania: https://twitter.com/RichardHanania/status/1688213682998931456…
Can the X chromosome explain greater male variability? Seems not
Men vary more than women in most phenotypes we can measure, including intelligence. Inquisitive Bird has a summary of the intelligence findings here. Thöni & Volk 2021 provide a nice…
Embryo selection can become the norm
In discussion of my recent book review of The Past is a Future Country: The Coming Conservative Demographic Revolution, J.O.A. Rayner-Hilles questioned whether embryo selection could really become powerful enough…
Hostile sexism is live and well, but mostly in favor of women
The feminist movement can be seen as a reaction of egalitarians against then prevailing views about women vs. men, that viewed men in a too favorable light for their tastes.…
Is the past the future?
Edward Dutton (AKA. Jolly Heretic) and J.O.A. Rayner-Hilles has a new book out: The Past is a Future Country: The Coming Conservative Demographic Revolution (2022). The summary is: Since the…
Fall of the Roman Empire, polygenic score edition
We have a new study out: Piffer, D., Dutton, E., & Kirkegaard, E. O. W. (2023). Intelligence Trends in Ancient Rome: The Rise and Fall of Roman Polygenic Scores. OpenPsych,…
New paper out: Honesty, Intelligence, and Race
Together with Sebastian Jensen, I have a new paper out: Jensen, S., & Kirkegaard, E. O. W. (2023). Honesty, Intelligence, and Race. OpenPsych, 1(1). https://doi.org/10.26775/OP.2023.07.17 Research shows that honesty correlates…
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