Program theory. Initial investigation indicates that a change theory is likely most appropriate for this evaluation. Change theory focuses on the strategies and messages supporting the desired change and cognitive behavior. “Change theory helps program planners to be explicit about their assumptions for why a program will work” (Glanz, K., Rimer, B.K., Su, S.M, 2005, p. 16). Specifically, the Stages of Change Theory supports the efforts of the individual learner within the repeat photography program as well as the expected knowledge gain throughout the experiential learning process, and the learning environment. While the Stages of Change Theory is most relevant to a health behavior change environment, the inherent qualities of the theory
