Tag Archives: water and sanitation

When will researchers ever learn?

| April 7, 2014

I was recently sent a link to this 1985 World Health Organization (WHO) paper which examines the case for using experimental and quasi-experimental designs to evaluate water supply and sanitation (WSS) interventions in developing countries. This paper came out nearly 30 years ago. But the problems it lists in impact evaluation study designs are still
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How much evidence is enough for action?

and | March 4, 2014

One of the most useful ways in which evidence from rigorous evaluations can be used is to help policymakers take decisions on going to scale. Notable recent examples of scaled-up interventions based on high-quality synthesised evidence are conditional cash transfers programmes and early child development (pre-school) programmes. Both types of programmes have been piloted and
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