How to norm a score
Suppose you have created a new scale of something ("Science Blog Rating Scale"). It can be psychology or some other soft science, but it doesn't have to be. Suppose you…
The genetics of beliefs
Nathan Cofnas wrote a great piece the other day, Beating Woke with Facts and Logic, which included this part: Beliefs Aren’t Genetically Determined Should we execute murderers? Raise taxes on…
Indian IQ in 1944
Some of you may have seen this table posted on X: Upon seeing the table, some have mistakenly concluded that the first row has British world scale IQs, but as…
New paper: Psychometric Analysis of the Multifactor General Knowledge Test
A while ago, Seb Jensen and I did this new study, and it was only released now due to technical issues: Kirkegaard, E. O. W., & Jensen, S. (2025). Psychometric…
Book review: DNA, Race, and Reproduction (Emily Klancher Merchant (Editor), Meaghan O’Keefe (editor))
So I occasionally go out of my way to read left-wing historians, bioethicists and the like. In general, bioethicists are one of those occupations where they do the exact opposite…
Sibling admixture regression in Mexico
A week ago, a landmark study dropped: Wang, S., Berumen, J., Vergara-Lope, A., Baca, P., Barrera, E., Rivas, F., ... & Visscher, P. M. (2025). Direct effect of genetic ancestry…
Why do lesbians divorce more often?
Yes I know you are waiting for the exposition on the new admixture results (I too am excited), but first something else. I, Hypocrite has this viral post on X:…
Who has how much dysgenics? The worldwide picture
In 2024, Seb Jensen published a report over at Hanania's CSPI (Are We Getting Dumber?) summarizing his findings concerning the speed of global dysgenics. Due to various reasons, the formal…
Indian IQ in the USA: GSS data
Aaron has a new short piece on Indian IQ in the USA using the GSS. I decided to replicate this analysis with better methods. The GSS is somewhat of a…
Is it impossible to build general artificial intelligence?
Before we start this book review, consider these quotes about the possibility of nuclear power: Albert Einstein, 1922 Translation by Henry L. Brose (Einstein the Searcher: His Work Explained from…