Cold winter theory in non-human animals
Disclaimer: I did not read Rushton's seminal book on the topic. I was only first recently able to obtain a complete electronic copy (i.e. not abridged version). I did in…
Thinking about intergenerational stability of socioeconomic status
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,…
On the validity of polygenic scores, in general and in Africans
(See 2015 post) There's a very interesting new preprint out: Heterogeneity in polygenic scores for common human traits Erin B Ware, Lauren L Schmitz, Jessica D Faul, Arianna Gard, Colter…
How many associations are causal? How can we find out?
Gwern has discussed this before, but here's another take inspired by this Twitter exchange: https://twitter.com/KirkegaardEmil/status/827259356857004032 I envision the following way of finding out: Gather a large cross-sectional dataset of MZ…
Did Turkheimer et al (2003) replicate?
Lots of published psychology studies don't replicate well, in particular cute things like interactions, counter-intuitive or priming effects. In general, traditional behavioral genetics studies have replicated well. This is not…
Notes on Steve Hsu’s second interview w/ Daphne Martschenko
Back in January, Steve Hsu did an interview with Daphne Martschenko who is a phd candidate at Cambridge in education. She's basically doing science journalism on behavioral genetics as far…
SQL server for population frequencies from 1000 genomes
Note: 2018 June 26 Server down right now, investigating. Note: August 16, 2017 server IP changed to 67.207.92.10. Original post We need dplyr for this: library(dplyr) First, use the anon…
Individual genomic admixture and cognitive ability
So, I posted this: Abstract We used data from the PING study (n≈1200) to examine the relationship between cognitive ability, socioeconomic outcomes and genomic racial ancestry. We found that when…
Causal effects of head injuries revisited
Comment on: Sariaslan, A. et al. (2016). Long-Term Outcomes Associated with Traumatic Brain Injury in Childhood and Adolescence: A Nationwide Swedish Cohort Study of a Wide Range of Medical and…
Medical geneticists on PGD for non-medical purposes
Quoted from Textbook of Human Reproductive Genetics, chapter 13: PGD within the“autonomy model” According to what may be called the “autonomy model,” prospective parents are free to use PGD in…
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