the single most overhyped finding in Ed research
not a great blogpost but a good start to understanding why the two sigma problem is massively overhyped https://www.ofthat.com/2013/01/blooms-two-sigma-problem-revisited.html?m=1 …
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Massive district I was at made a huge push for mastery learning. Teachers supposed to re-teach if 80% didn't get 80% or higher. I noticed no improvement, really thought it was garbage. Basically just waiting around for the apathetic and stupid.
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