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,…
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,…
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…
Richard Lynn passed away a few days ago in his sleep. His health had been in decline for some time, so his passing was expected. Still, it offers us a…
In the continuing debate about mental illness, we have roughly the following situation: Bryan Caplan representing the Thomas Szasz camp Scott Alexander representing the pragmatist "define mental illness in a…
Anon asks on Twitter: i'm just curious. what's your favorite genre of music? It seems like a good diversion from the usual serious posting on the blog. What I listen…
City Journal has just published its piece a piece on notorious online stalker Oliver D. Smith: The Cancel-Culture Troll with a Neo-Nazi Past. Readers of this blog may be familiar…
Suppose you want to measure how well a country is doing. If you're an economist you will be immediately reaching for your trusted variant of the GDP per capita metric.…
Let's apply some cool headed thinking to the issue. In societies without well-functioning legal systems, residents will strive to achieve their own justice. Usually, this works by appointing someone to…
About a month ago this very interesting paper was published: Wolfram, T. (2023). (Not just) Intelligence stratifies the occupational hierarchy: Ranking 360 professions by IQ and non-cognitive traits. Intelligence, 98,…
Yesterday I ran a survey on Twitter asking people to rate 49 human biodiversity books for importance. Human biodiversity here used in the broad sense of any study of biological…