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Re:New research suggests new ways to nurture gifted children by andrewprock on Saturday March 24, 2018 @04:32PM (#16668764)
You appear to be quite confused on what heritability is, how it is estimated, and the assumptions that underpin those estimates.

This article is a reasonable summary of the issues with heritability:

https://academic.oup.com/ije/article-pdf/35/3/525/2195546/dy...

The tl;dr is that the people who trot out additive models of heritability as evidence of anything in particular are by and large those invested in the notion of genetic determinism.

Re:New research suggests new ways to nurture gifted children by gwern on Saturday April 07, 2018 @03:53PM (#16782520)
Rose's ancient paper is balderdash and wrong and even Turkheimer wouldn't agree with his claims now. Heritability has been repeatedly vindicated empirically as a guideline to selective breeding, GWAS power and results, genetic correlations, evolutionary development of traits and split between additive & epistasis variance based on selective pressures, and so on. Even human sperm donor donations affect height of offspring exactly as predicted by the breeder's equation - which rests entirely on the concept of heritability! The results of projects like UK Biobank and SSGAC have been a vindication of the entire behavioral genetics research programme, not any kind of refutation.