Acknowledgements Foreword by Jennifer Rubin 1. What works now? An introduction - Annette Boaz, Huw Davis, Alec Fraser and Sandra Nutley Section One: Policy and practice as arenas for evidence 2. Evidence and policy making - Paul Cairney 3. Evidence and service delivery - Graham P. Martin and Oli Williams Section Two: Fields of policy and practice intervention 4. Using evidence in health and healthcare - Paul Wilson and Trevor A. Sheldon 5. Using evidence in social care - Deborah Ghate and Rick Hood 6. Using evidence in criminal justice - Nocholas R. Fyfe and Gloria Laycock 7. Using evidence in education - Julie Nelson and Carol Campbell 8. Using evidence in evironmental and sustainbility issues - Mark Reed and Laura Meagher 9. Using evidence in international development - Ruth Stewart Section Three: Knowing and doing: some cross-cutting themes 10. Systematic approaches to generating evidence - Alec Fraser and Huw Davies 11. Assessing and labelling evidence - Sandra Nutley, Huw Davies and Judith Hughes 12. Using evidence - Annette Boaz and Sandra Nutley Section Four: International comparison and commentary 13. Using evidence in the UK - Jonathan Breckon and David Gough 14. Using evidence in Australia and New Zealand - Brian Head and Michael Di Francesco 15. Using evidence in Scandinavia - Anne Mette Moller, Karl Tove Elvbakken and Hanne Foss Hansen 16. Using evidence in Canada - Bev Holmes and Sharon Straus 17. Using evidence in the US - Vivian Tseng and Cynthia Coburn 18. Conclusions: lessons from the past, prospects for the future - Huw Davies, Annette Boaz, Sandra Nutley and Alec Fraser Index