Tine Hindkjaer Madsen This blog post is based on the Evidence & Policy article, ‘Reconciling science and democracy: evidence-based policy as seen from the perspective of a role-based democratic theory’. For policy to be effective, it must be informed by reliable evidence, proponents of evidence-based policy argue. While this may be true, the evidence-based policy ideal nevertheless also conflicts with the requirements of democracy. This is because political equality is an essential element of democracy and evidence-based policy confers superior political influence on those who supply the evidence relative to ordinary citizens. In my paper recently published in Evidence & Policy, I reflect on whether the evidence-based policy ideal is reconcilable with democratic equality after all. I first argue that evidence-based policy in fact also advances the value of political equality, because political equality requires that citizens be the choosers of political aims and utilising appropriate, high-quality evidence is the most reliable method of identifying how to achieve citizens’ aims. That is of course not to say that utilising appropriate, high-quality evidence will always lead to true beliefs about how to achieve a political aim, but it …