complain that the lack of English language proficiency among many foreign-born Teaching Assistants affects adversely their … understanding of the material. This paper addresses the question that is at the heart of these complaints: Do foreign-born teaching … university. The data suggest that foreign-born Teaching Assistants have an adverse impact on the class performance of …

their classmates do worse. The theory presented below reconciles all of these facts by recognizing that classroom teaching …

intervention, respectively: 1) teaching, and 2) providing financial incentives to learners. In theory, teaching and learner … predicted that the two would be substitutes, we instead find they are complements. The combination of teaching and incentive …

problem-based pedagogy (IPP) on students' mathematics and science test scores. IPP creates active problem … seven months IPP increased mathematics and science scores by 0.18 and 0.14 standard deviations, respectively, and by 0 …