There’s an interesting slide in Rindermann’s survey: Rindermann, H. (2013). 2013 survey of expert opinion on intelligence. International Society for Intelligence Research, ISIR 2013 List of surveys here James Thompson’s previous coverage I’ve edited it to be in a single image (from 3). Do we have an estimate of relative media left-wingness for these? Some […]

There’s an interesting study making the rounds on Twitter: Great new study: In 2002, 1200 Nepalese pregnant women were randomly assigned to receive micronutrient supplements or not. Experimental children had heavier birthweights. Now, at age 12, there was no difference in Intelligence. @Shine_Daizy @marcelleprost — John Protzko (@JProtzko) March 8, 2018 Dulal, S., […]

Someone sent me some questions on this study: Fagan, J. F., & Holland, C. R. (2007). Racial equality in intelligence: Predictions from a theory of intelligence as processing. Intelligence, 35(4), 319-334. African-Americans and Whites were asked to solve problems typical of those administered on standard tests of intelligence. Half of the problems were solvable on […]

There is a popular claim in White Nationalist circles that Jews have been involved in the suppression of IQ and race related research. They can list persons like: Leon Kamin, old school heritability denialist, co-author of The Science and Politics of IQ (1974) and Not in Our Genes (1984) Steven Jay Gould, author of infamous […] How far should the net be cast as regards intellectual achievements? I suggest as far and wide as possible, or it will be assumed that some results are being held back. I favour those achievements which are in a “universal language” like maths, science and chess. There will always be some doubt about whether […]

The question of whether homosexuality is related to various bad things is independent of one’s stance towards homosexuals as citizens, their rights to marriage etc. which is fine by me. Given some recent tweets about the penile response of a large, clinical sample of men to various stimuli, there was some Twitter speculation that homosexuality […] Twitter: RaceRealist88 Since I am repeatedly asked by a bunch of differently looking people to comment on that particular blog. I don’t know the guy, but he’s been quite active in recent times. The blog is kinda odd in that it prominently features race realist stuff, a bunch of prominent race realist academics — […]

Dahlke, J. A., & Sackett, P. R. (2017). The Relationship Between Cognitive-ability Saturation and Subgroup Mean Differences Across Predictors of Job Performance. Journal of Applied Psychology. Abstract The authors quantify the conventional wisdom that predictors’ correlations with cognitive ability are positively related to subgroup mean differences. Using meta-analytic and large-N data from diverse predictors, they […]