Rebuttal arrives in 3, 2, ...https://www.motherjones.com/kevin-drum/2019/06/heres-why-the-black-white-iq-gap-is-almost-certainly-environmental/ …
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Thanks for the link and graph. If there's a 10-point gap that's based upon (1) data from actual IQ tests (not proxies like NAEP and SAT) (2) conducted on adults (18 years and above), I'd sure like to know about it. I could be wrong, but I don't think it exists.
Recent studies show gaps of the typical size. These are representative samples. WAIS-4 (adults): 17 IQ https://www.sciencedirect.com/science/article/pii/S0160289615000549 … PING battery (mean age 12): 16 IQ https://www.mdpi.com/2624-8611/1/1/1/htm … PIAAC (adults): 17 IQ http://humanvarieties.org/2017/09/16/racial-and-ethnic-differences-in-cognitive-skills-in-working-age-native-born-americans/ … PNC/TCP (mean age 14): 16 IQ (in review)
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