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A conceptual model for evaluating community‐based program sustainability is presented, along with a 53‐item Program Sustainability Index (PSI). Structural equation modeling (SEM) and principal axis factor analysis indicate strong support for each of the seven elements of the PSI. When considered as an overall model, six of the seven framework elements were retained. Internal consistency for each subscale was acceptable, and acceptable performance validity was demonstrated when the subscales were contrasted with middle‐range program results. These findings are discussed with regard to next steps in the conceptualization and measurement of program sustainability, as well as implications for planning and implementing community‐based programs for families .
Mancini et al. (Mon,) studied this question.