Outsiders Should Evaluate Teachers as Well as Students
"... Researchers have long noted the power that teachers have over student test scores.
In an influential paper published in 2005, economists Steven Rivkin, Eric Hanushek and John Kain examined administrative data in Texas and found that 15 percent of the differences in students’ math scores were explained by variations in teacher quality. The difference in test-score gains between a teacher who is rated average and one who is better than 85 percent of educators generates the same improvement as dropping class size by 10.
My Harvard colleagues Raj Chetty and John Friedman, together with Jonah Rockoff, link school data with evidence on adult earnings and find that replacing a teacher “in the bottom 5% with an average teacher would increase the present value of students’ lifetime income by more than $250,000.”
Leia mais
Nenhum comentário:
Postar um comentário