@WiringTheBrain I think you will find Jensen's thoughts about microenvironment and stochasticity are quite in line with yours (as I understand them, I haven't read your book yet).
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Contributing cause of Flynn effect: raising rates of immunization against childhood diseases? http://arthurjensen.net/wp-content/uploads/2014/06/The-Puzzle-of-Nongenetic-Variance-1996-by-Arthur-Robert-Jensen.pdf …pic.twitter.com/RC9mwDOvIC
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well duh, recall that vaccines cause autism
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Association of Childhood Infection With IQ and Adult Nonaffective Psychosis in Swedish Men A Population-Based Longitudinal Cohort and Co-relative Studyhttps://jamanetwork.com/journals/jamapsychiatry/fullarticle/2671412 …
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Flegr also has a very interesting new study out on the effects of cytomegalovirus on cognition/IQ. Alleges impact may be largehttps://www.nature.com/articles/s41598-018-23637-3 …
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I'd like to see how much increases in height correlate with increases in IQ. For example, South Korea has seen a lot of both. Are there countries, though, where one has gone up more than the other? Also, what about immigrants? Are Sikhs in US getting very tall?
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Isn’t the Flynn effect just a rise in nominal IQ scores, without a change in actual underlying intelligence? Or is that only descriptive of the Flynn effect in developed countries?
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We don't know really. Measurement invariance fails badly, and that means scores aren't compatible. This doesn't mean there isn't a change in mean ability, it just means we can't compare the scores (as they are). Some studies https://www.ncbi.nlm.nih.gov/pubmed/26610154 https://www.sciencedirect.com/science/article/pii/S016028960400056X …
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