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 […]

notpoliticallycorrect.me/ 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 […]

Skoyles, J. R. (1999). Human evolution expanded brains to increase expertise capacity, not IQ. Psycoloquy, 10(002). Chicago Skoyles is arguing a rather implausible claim: Why do modern humans have larger brains than earlier people such as Homo erectus? As large brains cause problems in childbirth, infancy and locomotion, the advantage they offer must be substantial. […]

In reply to: nautil.us/issue/48/chaos/what-both-the-left-and-right-get-wrong-about-race www.geneticshumanagency.org/gha/origin-of-race-differences-in-intelligence-is-not-a-scientific-question/ There’s a new kind of ‘environmentalist’ (rather, anti-hereditarian) defense in town, or at least, one that’s not commonly seen. It goes like this: This is the first of a series of blog posts about race and intelligence. My opinions on this topic are, I think, the least popular arguments I […]

I don’t have time to provide extensive citations for this post, so some things are cited from memory. You should be able to locate the relevant literature, but otherwise just ask. Haier, R. J. (2016). The Neuroscience of Intelligence (1 edition). New York, NY: Cambridge University Press. Because I’m writing a neuroscience-related paper or two, […]

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, Nisbett tries to argue that brain size is not causal for intelligence! He writes: The correlation between cranial capacity and IQ is probably about .30-.40 […]

@bechhof Might as well ask a couple of knowledgable people: @rcafdm @KirkegaardEmil is there evidence the BW IQ gap has closed since 90s? — Elan (@HoustonEuler) March 4, 2017 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 […]

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 brief review. Stereotypes about major demographic groups are quite accurate Jussim of course already showed this, but since it’s still frequently denied, seems that we […]