We study the returns to experience in teaching, estimated using supervisor ratings from classroom observations. We describe the assumptions required to interpret changes in observation ratings over time as the causal effect of experience on performance. We compare two difference-in-differences strategies: the two-way fixed effects estimator common…

The aim of teaching observations and post observation feedback in higher education is to support teachers to reflect on and improve their teaching. Yet, our understanding of tutors' (observers') and teachers' (observees') capacities for capitalising on these feedback opportunities is limited and there is little empirically derived advice for…