A common challenge that realist evaluators come across is in making a case for why a realist evaluation is the right approach to take.
Help comes in the form of this Analysis article in The BMJ (attached):
New approaches to evaluating complex health and care systems
Tara Lamont, Nicholas Barber, John de Pury, Naomi Fulop, Stephanie Garfield-Birkbeck, Richard Lilford, Liz Mear, Rosalind Raine, Ray Fitzpatrick
BMJ 2016;352:i154
They argue the case that there are different valid approaches to evaluating complex interventions, amongst these approaches - realist evaluation :-)
Geoff
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