Resource link
This presentation by Dr. John Gargani for the Evaluation Center's Evaluation Cafe, provides an overview of SROI.
The key question of whether SROI should be used to demonstrate program effectiveness is explored throughout the webinar. The webinar is part of the Evaluation Cafe series from the Evaluation Center.
Sources
Dr. John Gargani (2013), Social Return on Investment, Evaluation Center. Retrieved from: http://vimeo.com/channels/64629/page:2