Captain Obvious Science
In many ways, my science -- and my colleagues' science -- generally involves collecting evidence for obvious hypotheses that are mainly denied by leftist-leaning people (more precisely, egalitarian). Here's a…
A sex difference that won’t go away and measurement invariance
Whitley, E., Deary, I. J., Ritchie, S. J., Batty, G. D., Kumari, M., & Benzeval, M. (2016). Variations in cognitive abilities across the life course: Cross-sectional evidence from Understanding Society:…
Preparation for: Municipality level social inequality in Brazil
I was reviewing a paper on social inequality in Brazil at the state level (I published one myself in 2015), and it struck me that one should be able to…
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…
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…
Talks from ISIR 2016 Saint Petersburg
Some of the talks from ISIR 2016 in Saint Petersburg are now online. In particular, I enjoyed Detterman's talk, but of course I think he is too pessimistic about reproductive…
Cognitive ability and political preferences in Denmark: knitr edition
http://rpubs.com/EmilOWK/208757 Analysis of the data collected so far, presented side by side with R code. It will be expanded into a proper paper and submitted to OQSPS soonish. Soonish here…
Review: Intelligence: all that matters (Stuart Ritchie)
I was recently asked to suggest introductory reviewing materials for bright laymen (see also my previous post). I ended up giving the following recommendations: - Intelligence: A very short introduction…
Administration time and reliability in measurement
For some research designs, one pays the participants by the amount of time they spend on the task (like regular work). For other designs where one does not, usually participants…
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