Evaluations

Re searchers used a randomized evaluation to measure the impact of providing mobile calling credits to low-income adults on well-being outcomes in Ghana. Overall, the mobile credit intervention increased the ability for individuals to meet unexpected communication needs, particularly when delivered...

Researchers evaluated two approaches to improving the quality of Colombian preschools. Providing additional resources to preschools for materials and new staff did not benefit children’s development and, unintentionally, led teachers to reduce their involvement in classroom activities. However, the...

Researchers partnered with Chile’s national pension authority to evaluate the effect of personalized versus generic information, delivered via self-service kiosks at government offices, on long-term savings. People who received personalized information increased their voluntary contributions in the...