Planet Money
Originally published on Wed September 19, 2012 6:16 am
By Jacob Goldstein
NPR's Shankar Vedantam has a story today about a study conducted by a bunch of economists. He writes that they:
divided 150 teachers into three groups. One group got no incentive; they just went about their school year as usual. A second group was promised a bonus if their students did well at math.
Read more