Efficacy, the Golden Ratio, and the OER Impact Factor
Back in December Michael Feldstein wrote a terrific post about Pearson’s new initiative around “efficacy.” There has been a great thread of comments attached to his (as always) excellent piece of writing. I’ve been wanting to add my thoughts on the topic for a while. I’m finally getting around to it. The Conversation Can’t Be About Efficacy (Only) Many of you know I am hugely inspired by Bloom’s work on the “2 sigma problem.” In many ways, Bloom’s work is the last word in instructional efficacy - for three decades now there has been no mystery whatsoever about the most effective way to teach. Bloom and his group showed conclusively that the average student who: ...