In many low and middle income countries, dismal failures in the quality of public service delivery such as absenteeism among teachers and doctors and leakages of public funds have driven the agenda for better governance and accountability. This has raised interest in the idea that citizens can contribute to improved quality of service delivery by holding policy-makers and providers of services accountable. This proposition is particularly resonant when it comes to the human development sectors - health, education and social protection - which involve close interactions between providers and...