This paper makes specific recommendations to the Corporation for Enterprise Development (CFED) regarding program and research design for a Children and Youth Savings Account Policy Demonstration (CYSAPD). The first section discusses internal validity, the second discusses external validity, and the third discusses attrition, which threatens both internal and external validity.
Project: SEED National Initiative
Beverly, S. G., & Sherraden, M. (2001). Maximizing internal and external validity: Recommendations for a children and youth savings account policy demonstration (CSD Report No. CYSAPD 01-3). St. Louis, MO: Washington University, Center for Social Development.