I've been reading old writings recently, which is why I was posting about Terman's views. Some years ago, I heard about the book called The Intelligence Men: Makers of the…
I've been reading through some old papers and stumbled across an exchange between journalist Walter Lippmann and Lewis Terman in 1922 (original). Unfortunately, I wasn't fast enough to convert my…
Since discussing heritability estimates is all the rage, with Seb Jensen producing a new meta-analysis, and Scott Alexander providing a great review (which was somehow praised by both sides since…
Final chance to participate in the 2025 reader survey. I will analyze the results in a few days once the data from the last stragglers are in. While I was…
The American National Election Studies (ANES) is a series of surveys that has been administered to broadly representative samples of Americans since 1948. They asked thousands of questions, though most…
My interview with Noah Carl over at Aporia Magazine has just been released. This was 90 minute long interview where we discussed the historical background of stereotype research, the evolutionary…
We just published a new article: Jensen, S., & Kirkegaard, E. (2025). Stereotypes of the Intelligence of Nations. Comparative Sociology, 24(2), 272-295. https://doi.org/10.1163/15691330-bja10134 The authors surveyed a nationally representative sample…
Back in March I published this study: Kirkegaard, E. O. W. (2025). Does intelligence have nonlinear effects on political opinions? OpenPsych, 1(1). https://doi.org/10.26775/OP.2025.03.24 We sought to study intelligence’s relationship with…
I was browsing studies out in Lee Jussim's newish journal, The Journal of Open Inquiry in Behavioral Science (JOIBS), and saw this one: Rausch, Z. M. (2023). The value gap:…
William Costello spawned discussion at X over his polling results: The same man before and after going hard in the gym. Women preferred the before picture and men the after…