Researchers at my alma mater have developed a method of measuring the effectiveness of advocacy—a critical resource for funders and non-profit leaders alike: http://www.ncrp.org/publications/responsive-pubs/rp-archive/responsive-philanthropy-fall-2014/metrics-for-movement-building?utm_content=bufferad8bc&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer