Reblog Diane Ravitch – How Idiotic is VAM? Very.

Great review of Value Added Assessment – The Ridiculous We Call Home: Florida

Diane Ravitch's blog

One of my favorite bloggers is Anthony Cody. Anthony is an experienced teacher of science in California. I always learn by reading his blog “Living in Dialogue.” He recently offered his column to a teacher in Florida to explain how his or her evaluation was affected by “value-added modeling” or VAM.

The idea behind VAM is that teachers should be evaluated based on the rise or fall of their students’ test scores. Arne Duncan made VAM a requirement of the Race to the Top program, despite the lack of any studies or research validating this practice and despite ample warnings that it was invalid and would mislabel teachers as effective or ineffective. Nonetheless, many states pushed through legislation requiring that teachers be evaluated in part by their students’ changing scores. If the scores went up, they were a good teacher; if they did not, they were an ineffective teacher.


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