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- only says cultural-loading has higher heritability. Not that b/w has no positive correlation with g-loading, or heritability. In fact it says all 3 are still correlated, especially in the doctoral dissertation. Basically the same Spearman's Hypothesis but with culturally loaded questions (as judged by these judges) rather than abstract ones. Jensen used the same analysis to different results.
- Posits a GxE explanation, doesnt mean improved environment makes the difference since it just reflects the behavior of the differently endowed
- https://blogs.scientificamerican.com/beautiful-minds/the-heritability-of-intelligence-not-what-you-think/
- Doctoral dissertation even affirms the relationship is "perfect"
- https://humanvarieties.org/2013/09/20/a-few-new-analyses/
- "The correlations between cultural-loadings and the BW gaps and between cultural-loadings and heritability estimates were both fully mediated by g-loadings. This implies that g is a mediating factor in both instances. What one needs to explain, then, is why more culturally-loaded tests are better measures of g. Unlike Kan et al. (2011), I don’t find this association to be puzzling from a “biological g” perspective. As Jensen (1998) noted, IQ test are indirect measures of cognitive ability. He offered the analogy of measuring individual height by measuring the height of shadows cast on a wall. In the case of IQ, latent ability is measured in terms of information learned. When individuals have a relatively equal opportunity to acquire information, the amount of information learned indexes both the ability to process information and the ability to integrate it. More cultural loaded tests tend to measure a broader range of information relative to less cultural loaded tests and so can better index the ability to integrate information."
- http://www.sciencedirect.com/science/article/pii/S0160289615000495
- http://psycnet.apa.org/record/2017-42708-001
- https://books.google.com/books?id=rPNFXBnwuNoC&pg=PA108&lpg=PA108&dq=On+the+Nature+and+Nurture+of+Intelligence+and+Specific+Cognitive+Abilities:+The+More+Heritable,+the+More&source=bl&ots=7NKegRr6E3&sig=UCTgC2kfmJGQq92Tf1iE0-GlYwQ&hl=en&sa=X&ved=0ahUKEwi81pbcxODXAhVMGt8KHQ-9Axw4ChDoAQgqMAE#v=onepage&q=On%20the%20Nature%20and%20Nurture%20of%20Intelligence%20and%20Specific%20Cognitive%20Abilities%3A%20The%20More%20Heritable%2C%20the%20More&f=false
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