Follow up on Fire First, Ask Questions Later
Many of us have had extensive ongoing conversation about the Big Study (CFR) that caught media attention last week. That conversation has included much thoughtful feedback from the authors of the study. That’s how it should be. A good, ongoing discussion delving into technical details and considering alternative policy implications. I received the following kind note from one of the study authors, John Friedman, in which he addresses three major points in my critique:
Dear Bruce,
Thank you very much for your thorough and well-reasoned comment on our paper. You raise three major concerns with the study in your post which we’d like to address. First, you write that “just because teacher VA scores in a massive data set show variance does not mean that we can
