Abstract
Our secondary analysis of Measures of Effective Teaching data contributes to growing evidence that observation ratings, used as part of comprehensive teacher evaluation systems across the nation, may measure factors outside of a teacher’s performance or control. Specifically, men and teachers in classrooms with high concentrations of Black, Hispanic, male, and low-performing students receive significantly lower observation ratings. By using various methodological approaches and a subsample of teachers randomly assigned to classrooms, we demonstrate that these differences are unlikely due to actual differences in teacher quality. These results suggest that policymakers consider the unintended consequences of using observational ratings to evaluate teachers and consider ways to adjust ratings to ensure they are fair.
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