Monthly Archives: August 2011

What Works Clearinghouse

The WWC holds out a clear promise: Find research that scientifically evaluates the effectiveness of various interventions in education and base decisions on what works. In practice, it has proven much more difficult. I included a summary of the WWC … Continue reading

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Value-added models

Like it or not, value added models seem to be coming, including for teacher evaluations. I have added a discussion of them here.

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