It all started with a post of mine that argued that Diane Ravitch is wrong to say that Massachusetts’s situation proves teachers unions to be a non-factor in education reform. After Ravitch responded with a rebuttal post, Jay Greene added a follow-up that challenged her to “point to a rigorous piece of social science research that supports her argument.” Sol Stern then joined the discussion to add his take on what Greene said.
And it continues. Great food for hungry intellects on the topic.
