PDF - http://www.rand.org/pubs/monographs/2005/RAND_MG341.pdf
"The authors consider the potential consequences of not investing additional resources in the lives of children, the range of early intervention programs, the demonstrated benefits of interventions with high-quality evaluations, the features associated with successful programs, and the returns to society associated with investing early in the lives of disadvantaged children. Their findings indicate that a body of sound research exists that can guide resource allocation decisions. This evidence base sheds light on the types of programs that have been demonstrated to be effective, the features associated with effective programs, and the potential for returns to society that exceed the resources invested in program delivery. "
Proven Benefits of Early Childhood Interventions
HTML - http://www.rand.org/pubs/research_briefs/RB9145/index1.html
PDF - http://www.rand.org/pubs/research_briefs/2005/RAND_RB9145.pdf Lynn A. Karoly, M. Rebecca Kilburn, Jill S. Cannon
This research brief describes work documented in Early Childhood Interventions: Proven Results, Future Promise
