Evidenced-Based Medicine and Evidenced-Based Policy: The World's Most Perfectly Developed Method and the £79 Weakling.

Dr. Ray Pawson

University of Leeds

Emeritus Professor of Social Research Methodology at the University of Leeds UK. Publications include: Realistic Evaluation (1997, with Nick Tilley), Evidence-Based Policy: A Realist Perspective (2006) and The Science of Evaluation: A Realist Manifesto (2013).