This paper contrasts measures of teacher effectiveness with the students' evaluations for the same teachers using … in follow-on coursework of students who are randomly assigned to teachers in each of their compulsory courses. We find … material, teachers still matter substantially. The average difference in subsequent performance between students who were …

. This study also presents empirical evidence from a laboratory experiment in which students at a selective college were …

. This study also presents empirical evidence from a laboratory experiment in which students at a selective college were …