“…Often, community coalitions, such as PROSPER, address both strategies: They create the system to bring programs to community settings, and they provide external experts to support and assist the community-driven effort. In theory, providing this TA is akin to an external consultancy, supporting capacity building to sustain new skills (Ermeling, Tatsui, & Young, 2015). In this way, TA promotes high-quality implementation and sustainability of the community prevention system, as well as high quality and sustainability of program implementation (Chinman et al, 2005; Keener, 2007).…”