Parent-child similarity is a much studied topic. So much studied that various fields have come up with many different terms for the same thing: intergenerational elasticity, intergenerational persistence, intergenerational mobility…
There is this claim sometimes seen when discussing highly gifted people. One interested reader emailed me to ask where it was that Arthur Jensen made this claim: Anyway, what I…
It's all based on this article, which received ample media attention: Gignac, G. E., & Zajenkowski, M. (2019). People tend to overestimate their romantic partner's intelligence even more than their…
Okbay, A., Wu, Y., Wang, N., Jayashankar, H., Bennett, M., Nehzati, S. M., ... & Young, A. I. (2022). Polygenic prediction of educational attainment within and between families from genome-wide…
Most people know that married couples tend to be more similar than expected by chance for many attributes whether age, race, politics, intelligence, personality, music taste and so on. This…
Forgot to blog this one earlier. It's a video walkthrough of the usual sorts, based on my paper in Mankind Quarterly back from March: Kirkegaard, E. O. W. (2021). Are…
See prior post on self vs. other measurements of personality for a similar take. Height is the favorite trait in 'behavioral' genetics: it's easy, fast and cheap to measure, continuous…
I read the following interesting paper: Braun, S. T., & Stuhler, J. (2016). The Transmission of Inequality Across Multiple Generations: Testing Recent Theories with Evidence from Germany. The Economic Journal,…
Reading up on the huge animal breeding literature gives a useful background to one's thinking about what selection on humans will do in the future (embryo selection and direct editing…
I was talking with my girlfriend about how on some areas we don't match, and on others we match well, and then it occurred to me that there may be…