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McCaffrey, Daniel F. – Carnegie Foundation for the Advancement of Teaching, 2013
Value-added evaluations use student test scores to assess teacher effectiveness. How student achievement is judged can depend on which test is used to measure it. Thus it is reasonable to ask whether a teacher's value-added score depends on which test is used to calculate it. Would it change if a different test was used? Specifically, might a…
Descriptors: Scores, Accountability, Achievement Gains, Teacher Effectiveness
Harris, Douglas N.; Anderson, Andrew – Carnegie Foundation for the Advancement of Teaching, 2013
There is a growing body of research on the validity and reliability of value-added measures, but most of this research has focused on elementary grades. Driven by several federal initiatives such as Race to the Top, Teacher Incentive Fund, and ESEA waivers, however, many states have incorporated value-added measures into the evaluations not only…
Descriptors: Teacher Effectiveness, Teacher Evaluation, Evaluation Methods, Evaluation Research