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marginalia_nu
on May 11, 2023
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Estimated IQ distribution of children given IQ of ...
One-on-one tutoring by an expert is well known to be almost embarrassingly effective compared to classroom education[1]. It's also extremely expensive.
https://en.wikipedia.org/wiki/Bloom%27s_2_sigma_problem
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Search:
https://en.wikipedia.org/wiki/Bloom%27s_2_sigma_problem