Measuring the Impacts of Teachers I: Evaluating Bias in Teacher Value-Added Estimates
AbstractAre teachersʼ impacts on studentsʼ test scores (“value-added”) a good measure of their quality? One reason this question has sparked debate is disagreement about whether value-added (VA) measures provide unbiased estimates of teachersʼ causal impacts on student achievement. We test for bias in VA using previously unobserved parent characteristics and a quasi-experimental design based on changes in teaching staff. Using school district and tax records for more than one million children, we find that VA models which control for a studentʼs prior test scores exhibit little bias in forecasting teachersʼ impacts on student achievement.
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Bibliographic InfoPaper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 19423.
Date of creation: Sep 2013
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Find related papers by JEL classification:
- H0 - Public Economics - - General
- H52 - Public Economics - - National Government Expenditures and Related Policies - - - Government Expenditures and Education
- H75 - Public Economics - - State and Local Government; Intergovernmental Relations - - - State and Local Government: Health, Education, and Welfare
This paper has been announced in the following NEP Reports:
- NEP-ALL-2013-09-26 (All new papers)
- NEP-EDU-2013-09-26 (Education)
- NEP-URE-2013-09-26 (Urban & Real Estate Economics)
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- Raj Chetty & John N. Friedman & Jonah E. Rockoff, 2011. "The Long-Term Impacts of Teachers: Teacher Value-Added and Student Outcomes in Adulthood," NBER Working Papers 17699, National Bureau of Economic Research, Inc.
- Daniel Aaronson & Lisa Barrow & William Sander, 2002.
"Teachers and student achievement in the Chicago public high schools,"
Working Paper Series
WP-02-28, Federal Reserve Bank of Chicago.
- Daniel Aaronson & Lisa Barrow & William Sander, 2007. "Teachers and Student Achievement in the Chicago Public High Schools," Journal of Labor Economics, University of Chicago Press, vol. 25, pages 95-135.
- David J. Deming, 2014. "Using School Choice Lotteries to Test Measures of School Effectiveness," NBER Working Papers 19803, National Bureau of Economic Research, Inc.
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