The Teen Pregnancy Prevention (TPP) Replication Study was an experimental study examining the implementation and impacts of three replications of three different evidence-based program models, for a total of nine sites. Initiated in 2010, the study examined whether program models that were commonly chosen by TPP grantees and widely used in the field could achieve impacts with different populations and settings. The evidence-based program models included in the evaluation were: Reducing the Risk, ¡Cuídate!, and Safer Sex. The study was conducted by Abt Associates and managed by the Office of the Assistant Secretary for Planning and Evaluation (ASPE) in partnership with the Office of Population Affairs (OPA).