PRACTICE NOTES
UK evidence-based policy: institutions, methodologies and practice—What Works Centres, RCTs, HM Treasury guidance, and application across policy design, delivery and evaluation
ARCHIVED: This Practice Note is archived and not being updated. Evidence-based policy is a method and mindset that supports people to take well-judged decisions on policies, programmes and projects by making sure policy design and delivery are guided by the strongest available evidence. As one Whitehall policymaker puts it in practical terms, there are two strands: evidence that action is required, and evidence that a chosen response is the right remedy. See What Works? Evidence-based Policy and Practice in Public Services, Nutley and Smith, 2000.
The rise of evidence-based policy
We should create policies that truly address problems, look ahead, are shaped by evidence rather than short-term pressures, and deal with root causes rather than symptoms, as set out in the White Paper Modernising Government, March 1999. The UK has been, and continues to be, among the world leaders in evidence-based and evidence-informed policy within the UK. In 1997, the New Labour administration explicitly sought to end ideology- and opinion-driven policymaking that leaned on untested assumptions or cherry-picked evidence. Since then, successive UK governments have invested substantially in funding, developing, and strengthening...
Public Law