Can I get some explanation, how to read the graph? What does it mean correlation? What are the two correlated variables? What correlation formula has been used?
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If there is a positive correlation in the figure, it means that there are genetic variants that influence both the trait on the y-axis and intelligence , and this group of variants in aggregate influence them in the same direction.
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No, it means the same genetic variants that were correlated for IQ correlate with other traits. They have not proven the variants influence anything... not even for height.
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Reverse causation is not possible in genetics. Of course the variants could influence the traits indirectly, though.
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You have no hard evidence that these SNPs are influencing anything. You have no hard evidence they are even functional. These GWAS don't even know for sure what SNP they are correlating... nor to what gene. Saying these SNPs influence anything is outright misrepresentation.
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My thoughts exactly. Many of these, like longevity or obesity or even smoking, are also correlated with income levels. Low-income populations typically have worse schools and therefore would score lower on tests. The correlation could be income, not genetics.
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Low income, certainly, but improving all schools has resulted in only minor changes in test results, and not all of them were positive changes.
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Well its getting to the point where it doesn't matter how accurate your statement is. Either they prove genetic cause or they don't, all the correlations in the world won't help if the genes actually don't work or cause said trait or %of trait as stated.
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What's the doi for that, please?
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can you give me the title of the paper please?
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"GWAS meta-analysis (N=279,930) identifies new genes and functional links to intelligence"https://doi.org/10.1101/184853
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Thanks very much. Am I right that more papers have come out on this topic in the last two months than in the past 10 years? Seems like that.
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IQ is the third rail of sociology
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Great chart. Former smoker and ever smoker. Former means quit and ever includes current?
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These aren't "genetic" correlations. They're correlations.
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That's a new meaning of genetic for me!
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