The goal of Adoption elements are to design a robust intervention that will be attractive and feasible for others to put into practice. Because different settings (e.g., worksites, medical offices, schools, communities; governing agencies) and agents (e.g., teachers, physicians, health educators) can vary based on the number of resources, level of expertise, and commitment to intervention programs, understanding how adoption of interventions varies among settings and intervention agents (or modalities) is critical to the current and potential impact of an intervention.