Tattoos and piercings, what do they tell you about someone?
Richard Hanania and I recently wrote on Twitter/X: Naturally, my reply and his general level of trolling on the platform attracted a lot of angry, dumb replies from people with…
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…
Mental illness and intelligence: the relationship is negative
This one keeps coming up whenever I post things about mental illness and X, like politics. So it's worth having a go-to summary for a popular audience. Mental illness is…
New paper and video out: The Negative Religiousness-IQ Nexus is a Jensen Effect on Individual-Level Data: A Refutation of Dutton et al.’s ‘The Myth of the Stupid Believer’
Dutton, E., & Kirkegaard, E. O. W. (2021). The Negative Religiousness-IQ Nexus is a Jensen Effect on Individual-Level Data: A Refutation of Dutton et al.’s ‘The Myth of the Stupid…