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


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.


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.

Author: Larry Ferlazzo

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

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