Objective: Describe a process for designing, building, and evaluating a theory-driven social media intervention tool to help reduce parental concerns about vaccination. Method: We developed an interactive web-based tool using quantitative and qualitative methods (e.g., survey, focus groups, individual interviews, and usability testing). Results:…

The purpose of this article is to report the process outcomes of a coaching methodology used in a study designed to increase fruit and vegetable consumption and physical activity in families. Eighty-eight families with second graders were recruited from a rural, biethnic community in Colorado and randomized to intervention and delayed intervention…