I wouldn't use real money to play poker on a bet...

Pat, welcome to you. I found this heading of an article: World Bank HIV/AIDS Interventions: Ex-ante and Ex-post Evaluation
This isn't exactly what you asked about, but I thought the terms were interesting. I'm afraid I don't have the time or the inclination to read and figure out what was meant, but if anyone does, here is the link:
http://www.worldbank.org/aids-econ/interven.htm