I tweeted about this already, but I’m dumping some notes here for future reference. The Wordsum is a 10 word vocabulary test that’s been used for decades as a brief measure of intelligence. It’s most prominently used in the General Social Survey (GSS), a recurrent US survey of various social matters that’s been going on […]

See previous post about quotes from the medical genetics and physical anthropology literature on admixture analysis and the causal interpretation. There’s quite a few older admixture studies that examined relationships between racial ancestry and intelligence. Most of these used quite crude methods such as interviewer judgement. Some used a better method, namely objectively measured skin […]

There’s a certain type of person that doesn’t produce any empirical contribution to “Reducing the heredity-environment uncertainty”. Instead, they contribute various theoretical arguments which they take to undermine the empirical data others give. Usually, these people have a background in philosophy or some other theoretical field. A recent example of this pattern is seen on […]

Humans love interactions, they tell interesting stories (however, no study has investigated this bias, AFAIK). However, statistics and nature hate interactions. Interactions in general have low prior, and because people fail to realize this properly, reports of interactions generally fail to replicate. This is also true for gene-environment interactions (GxE), the love-child of any would […]

Modgil & C. Modgil (eds.). (1984). Arthur Jensen: consensus and controversy. Lewes, Sussex, Falmer Press In a book that’s not widely-read but should be, Thomas Bouchard notes in his chapter (The Hereditarian Research Program: Triumphs and Tribulations): A principal feature of the many critiques of hereditarian research is an excessive concern for purity, both in […]

Spier, R. (2002). Peer review and innovation. Science and Engineering Ethics, 8(1), 99-108. This little read paper from 2002 is worth quoting at length. It underlines the inability of peer review to identify important studies, and its role in guarding the status quo in the field. Based on such thinking, some people have come to […]