Financial incentives are a promising HIV prevention strategy. This paper assesses the effect on HIV incidence of a lottery program in Lesotho with low expected payments but a chance to win a high prize conditional on negative test results for sexually transmitted infections. The intervention...

Effective teachers are irreplaceable in helping students succeed. They facilitate two-way teaching and learning processes, helping students learn content through real time responses to questions, making learning fun, shaping students' attitudes, exemplifying empathy, modeling teamwork and...

Effective teachers are irreplaceable in helping students succeed. They facilitate two-way teaching and learning processes, helping students learn content through real time responses to questions, making learning fun, shaping students' attitudes, exemplifying empathy, modeling teamwork and...