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Thread: Multiracial adolescents show no test score gap with whites?6 days old

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    Default Multiracial adolescents show no test score gap with whites?

    A study of Brookings in 2017 claimed that 12th-grade multiracial students score just as high as whites on the NAEP, and this was intended to be evidence against the zombified hereditarian theory. This would be strong evidence, because in the past hereditarians have often argued that the intermediate scores of multiracial students are evidence that genetics explains the racial IQ gaps, whereas the "one drop" rule expects multiracial students to score just as low as blacks. I tried hunting down the original data of the NAEP or the fuller paper of Brookings. I could not find either, but I found an honest footnote that seems to reveal the breadth of the problem.

    1. The NAEP collects and reports data on race using two distinct methods, one of which is based on school data (mostly from parents) and one based on student responses on the exam questionnaire. These sources are often in agreement, but for multiracial students, there appear to be a large number of non-matching cases. For that reason, I report the results using cases in which school administrative records match student self-reported categorizations. The main results showing little to no-gap with whites are robust using either only self-reported or only school-reported. Specifically, the average gap across domains (0.09 of a standard deviations) is equal to the average margin of error using only school-reported race, whereas there is a small gap (0.23 standard deviation units) using only student-reported race.

    It is a problem because parents are much more likely to inflate or invent the minority-race components of their college-bound children for an obvious reason. I expect that the races reported by students to the NAEP are much more honest. And, in that respect the gap with whites is a quarter of a standard deviation (3.5 IQ points), which seems roughly expected from the hereditarian hypothesis given the racial breakdowns of the multiracial students per Table 2 and their respective average IQ scores.

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