A 1988(!) paper on the failure of educators to use the spacing effect: http://andrewvs.blogs.com/usu/files/the_spacing_effect.pdf … Interesting because:pic.twitter.com/ByvoRfIPWw
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have you read about this before? https://en.wikipedia.org/wiki/Bloom%27s_2_Sigma_Problem …
Yes (eg https://twitter.com/michael_nielsen/status/745237128544649216 … ). It's very interesting. Much more expensive, of course!
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yes, but works till 3-1. Median teacher salary ~54k. NY state median cost per kid ~22k. Spend 70% of day in 3-1, rest on studying/projects.
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Quibble: that's the minimum teacher salary in NY, not the median, which looks to be more like $70k.
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