The Campbell Collaboration The Campbell Collaboration is an international research network that produces systematic reviews of the effects of social interventions.
Cochrane Collaboration
The Cochrane Collaboration is an international network helping healthcare providers, policy makers, patients, their advocates and carers, make well-informed decisions about human health care by preparing, updating and promoting the accessibility of Cochrane Reviews.
Q-Center, Northwestern University
The Center for Improving Methods for Quantitative Social Policy Research (Q-Center) supports the development of new methods and fosters novel applications of existing research methods.
