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Measuring the Impacts of Teachers I: Evaluating Bias in Teacher Value-Added Estimates / Raj Chetty, John N. Friedman, Jonah E. Rockoff.
- Format:
- Book
- Author/Creator:
- Chetty, Raj.
- Series:
- Working Paper Series (National Bureau of Economic Research) no. w19423.
- NBER working paper series no. w19423
- Language:
- English
- Physical Description:
- 1 online resource: illustrations (black and white);
- Other Title:
- Measuring the Impacts of Teachers I
- Place of Publication:
- Cambridge, Mass. National Bureau of Economic Research 2013.
- Summary:
- Are 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.
- Notes:
- Print version record
- September 2013.
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