Environmentalists like admixture analysis too (until they don’t)

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…

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It works in practice, but does it work in (my) theory?

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…

Continue ReadingIt works in practice, but does it work in (my) theory?

Terman’s belief in high heritability of intelligence: unwarranted confidence?

Warne, R. T. (2018). An Evaluation (and Vindication?) of Lewis Terman: What the Father of Gifted Education Can Teach the 21st Century. Gifted Child Quarterly, 0016986218799433. Russell Warne has a…

Continue ReadingTerman’s belief in high heritability of intelligence: unwarranted confidence?

Intelligence research — persecuted by both Nazis and Communists

Rindermann (Cognitive Capitalism, 2018) writes: Contradicting common beliefs, National Socialists were opposed to intelligence research (Becker, 1938; Jaensch, 1938): in their view, intelligence research would represent a ‘supremacy of Bourgeoisie…

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Animal cross-fostering, race and IQ, and the deductivist’s fallacy

I wish to coin a fallacy I've seen a number of times, exemplified in this paper: Kempthorne, O. (1978). A BIOMETRICS INVITED PAPER: Logical, epistemological and statistical aspects of nature-nurture…

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