Due Diligence and the Evaluation of Teachers

The research on which the Los Angeles Times relied for its August 2010 teacher effectiveness reporting was demonstrably inadequate to support the published rankings. Using the same L.A. Unified School District data and the same methods as the Times, this study probes deeper and finds the earlier research to have serious weaknesses.

Research Brief
Two-page Summary
Fact Sheet One: Concerning the LA Times' Article of February 7, 2011
Fact Sheet Two: Concerning the LA Times' Posts of February 14, 2011