“…Since 2004, Boys Town has provided CSP training-of-trainers to agencies in four countries and 28 states. Having accrued positive support in prior small scale, non-experimental and quasi-experimental studies (Griffith, 2010; Thompson, Ruma, Schuchmann, & Burke, 1996; Thompson, Grow, Ruma, Daly, & Burke, 1993; Thompson, Ruma, Brewster, Besetsney, & Burke, 1997), CSP is an ideal candidate for further testing in a larger experimental trial. Given the importance of implementation assessment (Durlak & DuPre, 2008), the primary goal of this article is to provide an illustration that can serve as a model for both the collection and reporting of implementation data when rigorously testing promising preventive interventions that are already in use.…”