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…
Money and crime: the relationship that wasn’t
There must be 10,000s of studies and news articles reporting findings that wealth or income is negatively related to crime. In other words, poverty causes crime. The popular theory being…
If cities are bad, why do people move there?
This is a natural follow-up to my prior post about fertility, and how cities (or population density in some sense) cause fertility to decline. In fact, cities seem to be…
Supreme Court, Supreme Issues
I have long been annoyed by how the US Supreme Court (SCOTUS) seemed to work, so I decided to look more into this by reading a short textbook on the…
Measurement error and group differences explained
I have often talked about how measurement error impacts correlations between two variables. Here we are talking about classical measurement error, which is theoretically understood as adding a normally distributed…
Why woke? What to do about it?
I am a little late to the party, but I too want to post my reviews of 2 recently high grade books on the woke phenomenon and what to do…
Fertility questions: the role of population density?
There is a worldwide decline in fertility: The COVID-19 years seem to have been particularly bad on some countries. The poster child for future problems is South Korea: Even Reuters…
My conversion story, or a brief autobiography
I sometimes get asked how it is that I got into this unusual field. Of course, as with all autobiographies, there will be some distortions and poor memory along the…
The role of censorship in science
A new many-author paper makes the case that censorship is rampant in science: Clark, C. J., Jussim, L., Frey, K., Stevens, S. T., Al-Gharbi, M., Aquino, K., ... & von…
Taking the human extended phenotypes seriously
Back in 1982 Richard Dawkins wrote a book called The Extended Phenotype, which argued that the "phenotype should not be limited to biological processes such as protein biosynthesis or tissue…
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