Being a lefty woman from rich background is the best predictor of you thinking US black-white IQ gap is environmental in origin. https://www.unz.com/jthompson/who-are-the-iq-experts/ …pic.twitter.com/a6i98lHPMA
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OKCupid has a question about race and IQ actually. It doesn't ask about genetics, just phenotype, but that's probably good enough.