Reviewing complex interventions is challenging because they include many elements that can interact dynamically in a nonlinear manner. A systems perspective offers a way of thinking to help understand complex issues, but its application in evidence synthesis is not established. The aim of this project was to understand how and why systems…

The implementation of programs and practices that reflect the best available research and evaluation is a new and very promising development in the out-of-school time field. However, successfully implementing a new, evidence-based program or practice is a major challenge for practitioners. This challenge is due, in large part, to a lack of…