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Blooms 2 Sigma problem [1] suggests that while it is cheaper to get access to the material, you’ll do better if taught by an expert tutor. [1] https://en.m.wik
by filmfact 7y ago
Blooms 2 Sigma problem [1] suggests that while it is cheaper to get access to the material, you’ll do better if taught by an expert tutor.
[1] https://en.m.wikipedia.org/wiki/Bloom%27s_2_sigma_problem https://en.m.wikipedia.org/wiki/Bloom%27s_2_sigma_problem
- ovi256 7y agoWow, that effect size. I'm amazed that the implications haven't been pursued vigorously, as it's so rare to get such an effect size in a clean, non-controversial (compromised methodology) experiment. As far as I can see, there's not much controversy around this result.