Impact Design Report

The Teen Pregnancy Prevention (TPP) Replication Study is evaluating three replications of three evidence-based program models, for a total of nine sites funded through the Office of Adolescent Health (OAH) Teen Pregnancy Prevention (TPP) program. The study is managed by ASPE in partnership with OAH. The Impact Study Design report describes the experimental study design and methods for the impact study of the TPP Replication study. The Impact Study Design report is a companion piece to the Implementation Study Design report.