Proposes a general approach to measuring test measurement error, including day-to-day variation in student performance that reliability estimates miss.
Analyzes attrition among New York City elementary and middle school teachers and whether those who transfer or leave are more or less effective than those who stay.
Asks whether teachers who are effective with one group of students are equally effective with others, testing the consistency of value-added measures across subgroups.
Examines recent changes in the academic competitiveness of the teacher workforce amid No Child Left Behind, alternative pathways, and labor market shifts.
Argues value-added measures offer little guidance for individual teacher improvement but can inform decisions about programs, staffing, and incentives.
Provides empirical evidence on how China's shift in college admission mechanisms and exam score information affected the academic match between colleges and students.
Recent education reform efforts commonly aim at improving teacher effectiveness. One study of three large districts finds that they spent approximately $18,000 for professional development for each teacher each year.