Conducted an experimental evaluation of Teen Outreach, a national volunteer service program. Found that rates of pregnancy, school failure, and academic suspension, at exit nine months later, were substantially lower in the Teen Outreach group, even after accounting for group differences at entry. Results suggest potential value of interventions…

Evaluated effects of Chicago Child-Parent Center and Expansion Program on 559 low-income, inner-city African American children. Found that program participation for two or three years after preschool and kindergarten was associated with higher reading achievement up to seventh grade and lower cumulative grade retention and special education…