Table 1.

Benefits Attributed to Three Early Interventions (Present Value 2008 Dollars)

	Perry Preschool Program	Child-Parent Center Program	Prenatal/Early Infancy Project
Average age at follow up	27	21	15
Measured crime benefit	$75,262	$25,172	$2,684
Forecasted crime benefit	$32,744	$18,976	$10,890
Total crime benefit	$108,006	$44,148	$13,574
Total benefit	$165,739	$89,721	$42,218
Total crime benefit/Total benefit	0.65	0.49	0.32
Forecasted crime benefit/Total crime benefit	0.30	0.43	0.80

Source: Estimates for the Perry Preschool Program, the Chicago Child-Parent Center preschool program, and the Elmira Prenatal/Early Infancy Project are from Barnett (1996), Reynolds et al. (2002), and Karoly et al. (1998), respectively. Estimates are converted to 2008 dollars using the Bureau of Labor Statistics’ Consumer Price Index for All Urban Consumers (CPI-U).