The reverse time reversal heuristic?
Gelman proposed the time reversal heuristic when evaluating discussions about failed replications. One helpful (I think) way to think about this episode is to turn things around. Suppose the Ranehill…
Cognitive ability of Westerners and non-Westerners: data from the Danish military draft
Rnotebook: http://rpubs.com/EmilOWK/immigrant_IQ_Danish_draft Because I was discussing this dataset with a friend, I decided to reexamine it. Examining this dataset was my first reviewed paper (Kirkegaard 2013). It was manually done…
Systematic approaches to learning work better than haphazard ones, probably
May be another case of a zombie idea: one that keeps being refuted only to come back under another term, and then await refutation for 10-20 years. It is also…
Nisbett’s 2009 book on Intelligence: reviews
Nisbett's 2009 book on intelligence, Intelligence and how to get it, is a goldmine of stupid claims that one can quote-mine for introduction and discussion sections of papers. For instance,…
How to do a meta-analysis of Black-White IQ gap
https://twitter.com/HoustonEuler/status/837894199814955008 There's been some talk about whether the SIRE (self-identified race/ethnicity) gaps are closing and if so how much and when they did that. The matter is complicated for many…
Teaching kids philosophy to boost their abilities in other areas?
Disclaimer: I only took a brief look. Doing the reading and writing this post took maybe 30 minutes. I may have missed something, but unlikely it would have a major…
Some genomics papers I read recently
Doing some background reading on genomics topics such as: Cross-population predictive validity of genomic scores (polygenic scores). LD-decay. Causal variant tagging / distribution of causal variants / genetic architecture. Admixture…
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…
Exercise for depression? Evaluating publication bias in Schuch et al 2016
Wrote a new re-analysis for another meta-analysis of exercise for depression. Found good evidence of publication bias again. Unclear what the effect size really is, but my posterior 95% range…
Trivers-Willard in humans?
In evolutionary biology, there is a hypothesis about sex ratios: Trivers-Williard hypothesis. It has been noted that males have higher dispersion in their fertility than females have, a finding that…
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