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Download full textClotfelter, Charles T.; Ladd, Helen F.; Vigdor, Jacob L. – National Center for Analysis of Longitudinal Data in Education Research, 2007
Education researchers and policymakers agree that teachers differ in terms of quality and that quality matters for student achievement. Despite prodigious amounts of research, however, debate still persists about the causal relationship between specific teacher credentials and student achievement. In this paper, we use a rich administrative data…
Descriptors: Credentials, Class Size, Teacher Characteristics, Academic Achievement
