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…
Heritability, within and between groups
There is a new preprint that's making the rounds on Twitter: Schraiber, J. G., & Edge, M. D. (2023). Heritability within groups is uninformative about differences among groups: cases from…
What if somewhere, someone used to look at their polygenic scores?
Undark magazine has a new piece out where a journalist expresses concern about people looking at their own DNA results: From a Fledgling Genetic Science, A Murky Market for Prediction.…
Sasha Gusev won’t answer basic questions about his beliefs
Sasha Gusev is a statistical geneticist who spends a lot of time on Twitter. He has been attacking various behavioral genetics studies lately, thus earning some ire from people in…
Not just dysgenic outcomes, but dysgenic intentions too
I have a new study out with Ed Dutton: Kirkegaard, E. O. W. & Dutton, E. Intelligence and Anti-Natalist Intentions on Dating Sites: An Analysis of the OKCupid Dataset. In…
Interview with me by Hitchslap on intelligence, polygenic scores, behavioral genetics and more
Just finished a Twitter Space interview with Hitchslap. It was FAQ style format and lasted about 2.5 hours, so I was getting hoarse at the end. Hope you enjoy! https://twitter.com/i/spaces/1kvJpmMbZQdxE…
New study out: Income and Education Disparities Track Genetic Ancestry
We just published a new study in OpenPsych: Hu, M., Kirkegaard, E. O. W., & Fuerst, J. (2023). Income and Education Disparities Track Genetic Ancestry. OpenPsych, 1(1). https://doi.org/10.26775/OP.2023.09.11 Structural racism…
Ancient genomes discussion with Davide Piffer & Emil at Lake Como
As announced late August, here is the promised discussion with Davide Piffer on ancient genomics: where we are, and where we hope to go. 1 hour and 7 minutes. https://www.youtube.com/watch?v=8_XbrzSfEz4…
Ancient genomics AMA with Davide Piffer
I am in Italy together with Davide Piffer. We will be filming a conversation about ancient genomes and group differences. Please post your questions below so we can cover them…
Polygenic score validity and group differences
Probably the most common objection to studies of polygenic scores for education/intelligence for race differences is that the polygenic scores are less valid for non-European populations. For instance, here's a…
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