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You can't fix the problems I mentioned with more samples or geographical spread. If you want to separate IQ from health, or how genes and environment interact y
by nabla9 4y ago
You can't fix the problems I mentioned with more samples or geographical spread. If you want to separate IQ from health, or how genes and environment interact you need to select better controls and more specific variables.
Large studies over large areas show is that intelligence differences are dominated by parasite load and nutrition.
- rbanffy 4y agoYou still need a very large sample to control for those. You may find some correlation with genetics when you analyse subsamples with identical parasite load and nutrition.