Details for Realist review--a new method of systematic review designed for complex policy interventions.

Pawson R, Greenhalgh T, Harvey G, Walshe K.

This paper offers a model of research synthesis which is designed to work with complex social interventions or programmes, and which is based on the emerging 'realist' approach to evaluation. It provides an explanatory analysis aimed at discerning what works for whom, in what circumstances, in what respects and how.