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This Video Shows Up Bunk VAM

Researchers at Arizona State University produced a 14-minute video to demonstrate how value-added-assessment actually works and how inaccurate it is.

It is easy to watch and presents a clear explanation of this flawed measurement system that reduces teachers and students to data.

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Diane Ravitch

Diane Ravitch is an education historian, education policy activist, and former research professor of education at New York University. She is the Co-Founder and P...