There have been multiple studies of programs focused on positive youth outcomes in general and on reproductive health behaviors in particular. Many programs show promising results, although there have been few rigorous experimental replication studies. See the “what works” table at the end of the chapter for details on specific programs. Addressing early educational experiences appears to be associated with reduced pregnancy and childbearing years later, as is evidenced by two preschool / child care programs that focused on strengthening educational outcomes among disadvantaged children (Horacek et al., 1987; Schweinhart, Barnes & Weikart, 1993). .