Three Lenses of Evidence‐Based Policy

This article discusses recent trends to incorporate the results of systematic research (or ‘evidence’) into policy development, program evaluation and program improvement. This process is consistent with the New Public Management (NPM) emphasis on efficiency and effectiveness. Analysis of evidence helps to answer the questions ‘what works? and ‘what happens if we change these settings?’ Secondly, some of the well known challenges and limitations for ‘evidence‐based’ policy are outlined. Policy decisions emerge from politics, judgement and debate, rather than being deduced from empirical analysis. Policy debate and analysis involves an interplay between facts, norms and desired actions, in which ‘evidence’ is…