No, this isn’t something we’ve focused on. The best piece I’m aware of in this area though is this: http://csi.gsb.stanford.edu/elusive-craft-evaluating-advocacy
You could also look at “process tracing” as a methodology: http://betterevaluation.org/evaluation-options/processtracing That’s what Oxfam tried using to evaluate their advocacy efforts.
No, this isn’t something we’ve focused on. The best piece I’m aware of in this area though is this: http://csi.gsb.stanford.edu/elusive-craft-evaluating-advocacy
You could also look at “process tracing” as a methodology: http://betterevaluation.org/evaluation-options/processtracing That’s what Oxfam tried using to evaluate their advocacy efforts.