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“Small Typo” In D.C. Teacher Evaluation Illustrate Bigger Problem With VAM

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As you might have already heard, the Washington, D.C. schools announced yesterday that errors with their Valued Added Measurement formula resulted in teachers paying a price.

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You can read more about it in these articles:

Errors found in D.C. teacher evaluations (2nd update) is by Valerie Strauss at The Washington Post.

‘Small typo’ casts big doubt on teacher evaluations is at Politico.

VAM Expert: D.C. Score Errors Are NOT a “Minor Glitch” is at Diane Ravitch’s blog.

You can learn about the problems with VAM at The Best Resources For Learning About The “Value-Added” Approach Towards Teacher Evaluation.

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Author: Larry Ferlazzo

I'm a high school teacher in Sacramento, CA.

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