Did high IQs protect top Nazis at Nuremberg?
The Nazis famously carried out a number of atrocities involving the populations under their dominion. Most famously, this involved the mass murders of Jews in Europe, but quite a number…
Within vs. between group correlations
Let's think about causality and group-level comparisons. Here I mean any type of group, whether nations, sub-national divisions (states, regions, provinces, communes), religious classifications, races, or any other grouping. Sometimes…
Sexual maturation and intelligence, Rushton not vindicated
A reader sent me Seb Jensen's blogpost about nerds, which includes the following: People in the Terman’s study of the gifted were more likely to be tall, broad-shouldered, have matured…
Rushton vindicated again: developmental speed vs. intelligence
A few days ago, geneticist Shai Carmi posted a new study on Twitter. And then he deleted his tweet and reposted a "I disavow" version. Well, what happened is that…
Results from reader survey 2024
A few days ago I ran the reader survey for 2024. You can take it here, but I probably won't update the results again. In this post, I will look…
On the limits of free speech
Are you in favor of free speech? Most readers and most people in general will say yes, and many even consider themselves free speech absolutists. If asked why, they might…
On genetic potential
During much of human history, it wasn't known that diseases or traits 'ran in families'. In fact, early mentions appear for instance in the 1700s: The recurrence of specific signs…
Is ability to read minds an aspect of general intelligence?
You have maybe seen this test making the rounds on Twitter: It's called the Reading the Mind in the Eyes Task (RMET). The subject is given 36 such grey-tone images…
So you want a shorter test
There are 1000s of tests, scales, and assessments that have been made in the social sciences and in life in general. Sometimes, these are far too long. Take, for instance,…
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…
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