sábado, 15 de setembro de 2012

Great Teaching : Education Next

Great Teaching : Education Next

In February 2012, the New York Times took the unusual step of publishing performance ratings for nearly 18,000 New York City teachers based on their students’ test-score gains, commonly called value-added (VA) measures. This action, which followed a similar release of ratings in Los Angeles last year, drew new attention to the growing use of VA analysis as a tool for teacher evaluation. After decades of relying on often-perfunctory classroom observations to assess teacher performance, districts from Washington, D.C., to Los Angeles now evaluate many of their teachers based in part on VA measures and, in some cases, use these measures as a basis for differences in compensation.

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