Social innovations (SIs) frequently bring previously unrelated actors, ideas, and practices together in new configurations with the goal of addressing social needs. However, the dizzying variety of definitions of SI and their dynamic, exploratory character raise dilemmas for evaluators tasked with their evaluations. This article is based on a…

This article presents the findings of a large scale study that tested a comprehensive model of predictors of three manifestations of sustainability: continuation, institutionalization, and duration. Based on the literature the predictors were arrayed in four groups: variables pertaining to the project, the auspice organization, the community, and…

The article reports on the findings of a comparative case study of six projects that operated in Israel between 1980 and 2000. The study findings identify characteristics of the programs, the host organizations, and the social and political environment, which differentiated programs that are sustained from those that are not. The findings reaffirm…