
Research evidence can and should have an important role in shaping public policy. Just as much of the medical community has embraced the concept of "evidence-based medicine," increasing numbers of social scientists and government agencies are calling for an evidence-based...

Research evidence can and should have an important role in shaping public policy. Just as much of the medical community has embraced the concept of "evidence-based medicine," increasing numbers of social scientists and government agencies are calling for an evidence-based...