Researchers blast Chicago teacher evaluation reform - The Answer Sheet - The Washington Post: "Scores of professors and researchers from 16 universities throughout the Chicago metropolitan area have signed an open letter to the city’s mayor, Rahm Emanuel, and Chicago school officials warning against implementing a teacher evaluation system that is based on standardized test scores.
This is the latest protest against “value-added” teacher evaluation models that purport to measure how much “value” a teacher adds to a student’s academic progress by using a complicated formula involving a standardized test score.
Researchers have repeatedly warned against using these methods, but school reformers have been doing it in state after state anyway. A petition in New York State by principals and others against a test-based evaluation system there has been gaining ground."
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