This report describes and illustrates an approach to using evidence to improve the effectiveness of youth programs, both in terms of how they are designed and how they are implemented. The approach capitalizes on the fact that across the many program environments that offer youth programs.
https://aspe.hhs.gov/sites/default/files/documents/11fc5cc5d98575c65b85b92c8abeda84/social-competence-tech-report.pdf