In many developing countries (and beyond), public sector workers are not just simply implementers of policies designed by the politicians in charge of supervising them-so called agents and principals, respectively. Public sector workers can have the power to influence whether politicians are...

Four different classroom observation instruments - from the Service Delivery Indicators, the Stallings Observation System, the Classroom Assessment Scoring System, and the Teach classroom observation instrument - were implemented in about 100 schools across four regions of Tanzania. The research...