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Direct linkRaj Chetty; John N. Friedman; Jonah E. Rockoff – National Bureau of Economic Research, 2011
Are teachers' impacts on students' test scores ("value-added") a good measure of their quality? This question has sparked debate largely because of disagreement about (1) whether value-added (VA) provides unbiased estimates of teachers' impacts on student achievement and (2) whether high-VA teachers improve students' long-term outcomes.…
Descriptors: Academic Achievement, Scores, Teacher Effectiveness, Outcomes of Education
