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We investigated the effects of teacher human and social capital on growth in student performance in a sample of 1,013 teachers organized into 239 grade teams. We found that teacher human capital that is specific to a setting and task, and some indicators of teacher social capital, predicted student performance improvement. At the team level, average educational attainment and horizontal tie strength were significant predictors of student improvement. We provide some evidence that team horizontal tie strength and density moderate the relationship between teacher ability and student performance. Implications of our multilevel analysis for theory, research, and policy are discussed.
Pil et al. (Tue,) studied this question.