Conclusion
Exploring ‘success’ rather than ‘failure’ has enabled a rather different light to be shed on the issue of how to foster evaluation in the non-health sector. The authors suggest that for
public health practitioners interested in developing the evidence base for areas such as housing, the question is not one of ‘challenges to be overcome’, but opportunities available to collaborate or network. Specifically, there may now be diminishing returns on focussing efforts on education about the need for controlled designs for evaluation