Both groups of countries achieved great advances in education, health, poverty reduction, and other human development indicators. None of them used randomized control experiments to design their social or economic programs.
在教育，卫生，缓解贫困和其他人类发展指标方面，两组国家都取得了巨大进展。他们都没有使用随机控制实验来设计他们的社会或经济项目。