The Answer Sheet: error rates and value-added


Posted at 06:30 AM ET, 07/29/2010

Study: Error rates high when student test scores used to evaluate teachers

I don’t understand all of a new statistical study about error rates when student test scores are used to evaluate teachers and schools, but I do get this: The rates are so high that they should give pause to even the most ardent admirers of such evaluation systems.

By Valerie Strauss  |  06:30 AM ET, 07/29/2010 |  Permalink  |  Comments ( 0)
Categories:  Teachers, Teachers | Tags:  error rates and value-added, evaluating teachers, high-stakes decisions and teacher evaluation, mathematica study, teacher evaluation, value-added measures