On the contemporary history of experimental evaluations and its relevance for policy making / Frans L. Leeuw -- Institutionalization of second-order evidence-producing organizations / Hanne Foss Hansen and Olaf Rieper -- What counts as "sufficient evidence" and a "compelling argument" in evaluation? / Tom Ling -- Evaluative evidence in multi-level interventions : the case of the global environment facility / Jos Vaessen and Rob van den Berg -- "User-dependent" knowledge as evidence in health care / Laila Launsø and Olaf Rieper -- Results management : can results evidence gain a foothold in the public sector? / John Mayne -- Evidence and politicians : can the two co-exist? / Richard Boyle -- Conclusion and perspectives : risks and promises of the evidence movement / Tom Ling, Frans Leeuw, and Olaf Rieper
