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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
Download full textPhelan, Julia; Choi, Kilchan; Vendlinski, Terry; Baker, Eva L.; Herman, Joan L. – National Center for Research on Evaluation, Standards, and Student Testing (CRESST), 2009
This report describes results from field-testing of POWERSOURCE[C] formative assessment alongside professional development and instructional resources. The researchers at the National Center for Research, on Evaluation, Standards, & Student Testing (CRESST) employed a randomized, controlled design to address the following question: Does the…
Descriptors: Mathematical Concepts, Middle School Students, Grade 6, Educational Strategies
