Grading performance pay.

• Position: STATELINE - Brief article

The National Center on Performance Incentives at Vanderbilt University finished a 3-year study of performance-based teacher pay and found no effect on student achievement. Paying teachers bonuses based on how well their students do has been controversial, but until now never scientifically researched. Does bonus pay alone improve student results? "We found that it does not," said Matthew Springer, executive...