Early Head Start, a federal program begun in 1995 for low-income pregnant women and families with infants and toddlers, was evaluated through a randomized trial of 3,001 families in 17 programs. Interviews with primary caregivers, child assessments, and observations of parent– child...

Although reading to preschoolers has been shown to influence their later language and cognitive development, few studies have examined these relationships for children under age 3. Researchers studied over 2,500 low-income English- and Spanish-speaking families across the country who were...