Rigorous Evidence Isn’t
written by Lant Pritchett Currently, there are many statements floating around in development about the use of “rigorous evidence” in formulating policies and programs. Nearly all of these claims are […]
External validity
What’s in a counterfactual?
written by Salimah Samji I am amazed by people’s obsession with the counterfactual, and how evidence cannot exist without it. Why are people so enamored by the idea of ‘the solution’ even […]