Piloting the Plane on Musical Instruments & using SGPs to Evaluate Teachers «... - 1 views
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Jeff Bernstein on 25 Sep 11I've posted a few blogs recently on the topic of Student Growth Percentile Scores, or SGPs and how many state policymakers have moved to adopt these measures and integrate them into new evaluation systems for teachers. In my first post, I argued that SGPs are simply not designed to make inferences about teacher effectiveness.