..Since there are big gaps in the average score by race in this sample, it seems like the gains from test prep could just be falling out of the fact that asians here are falling within that intelligence 'sweet spot' for gains. Unless Im misinterpreting their regression.
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If my hypothesis were true, the real finding of that paper is roughly 'test prep is most advantageous for +1.5-2.5SD IQ population.' For whatever racial group in that range is under-represented in test prep, there is low-hanging fruit that could shuffle college admissions mix.
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Yes. And doesn't that jive w/ your experience on campus? Bayes rule: you must choose lab or groupwork partner based on nothing but visual cues, what's your choice?
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