Policy makers and commissioners alike want to identify best evidence. The argument goes that the application of empirical evidence should promote better policies, improved services and the more efficient use of resources, but it has often been difficult to harness the ‘right’ evidence. This is true of social work as of other policy areas, writes Dr Mary Baginsky.
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Creating a common set of standards for all evidence may be impossible but according to Sir Iain Chalmers, one of the founders of the Cochrane Collaboration, there are some basic principles of good evidence that apply in all professions.