The ethnic meritocracy in the United Kingdom
Some of my colleagues have a new paper out: Te Nijenhuis, J., Pesta, B. J., & Fuerst, J. G. R. (n.d.). General mental ability testing and adverse impact in the…
Reaction time based intelligence measurements and race differences
There's a wide variety of different ways to measure (general) intelligence, or what researchers call g. One can estimate vocabulary size, query about verbal analogies, general knowledge, ask people to…
The taboo hierarchy
What is a taboo? Well, the dictionaries tell us (according to GPT4): Merriam-Webster's Collegiate Dictionary, 11th Edition (2003): "A prohibition imposed by social custom or as a protective measure." Oxford…
Heritability for individuals too, and the application to group differences
It is commonly said that heritability is a population level statistic that doesn't apply to individuals. For instance, here's Robert Plomin et al's textbook Behavioral Genetics (2017, 7th edition), the…
New study out: Systemic Racism Does Not Explain Variation in Race Gaps on Cognitive Tests
The new issue of Mankind Quarterly just came out. It appears I have no less than 6 pieces in this, so let's get started. Kirkegaard, E. O. W. (2023). Systemic…
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…
In Sweden, talking about race and intelligence will get you a fine
I have somehow not heard of this case, but there's an ongoing case in Sweden where a 80-ish year old man, Bertil Malmberg, talked about the intelligence of nations, specifically…