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A new understanding of evidence-based policy

philip sayerPhilip Sayer

‘Evidence-based policy’ and ‘what works’ are phrases that have become increasingly embedded in debate surrounding good policy-making over the last 20 years. This period has seen no shortage of critiques of these terms and the ways in which they have been employed, but relatively few attempts to articulate the precise foundations of knowledge on which they rest. Yet there are many interesting and important questions that might be asked. How exactly are stronger forms of evidence to be separated from weaker forms? What foundational assumptions lie behind the frequent endorsement of experimental methods? Or, most fundamentally, what precisely is the nature of the proposed link between good evidence and good policy?  Continue reading A new understanding of evidence-based policy