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Direct linkCowan, James; Goldhaber, Dan – Journal of Research on Educational Effectiveness, 2016
We study the effectiveness of teachers certified by the National Board for Professional Teaching Standards (NBPTS) in Washington State, which has one of the largest populations of National Board-Certified Teachers (NBCTs) in the nation. Based on value-added models in math and reading, we find that NBPTS-certified teachers are about 0.01-0.05…
Descriptors: Teacher Certification, National Standards, Teacher Effectiveness, Value Added Models
