This study examined the effects of receiving multiple intervention services on the language, literacy, and general development of preschool children from low-income families. By employing a hierarchical linear model on a sample of 1436 children, developmental outcomes of four-year-old children receiving varying numbers of intervention services…

Four experiments tested the conventional wisdom in experimental psychology that participants who complete laboratory tasks systematically differ in their cognitive abilities, motivational levels, and personality characteristics as a function of the time at which they participate during an academic term. Across 4 experiments with over 2,900…

There are currently 2 principal models of publicly funded prekindergarten programs (pre-K): targeted pre-K, which is means-tested, and universal pre-K. These programs often differ in terms of the economic characteristics of the preschoolers enrolled. Studies have documented links between individual achievement in school-age children and the…

An innovative DVD of classic nursery rhymes and stories empowered at-risk kindergarten children to control in the home when and how much they listen, promoting better listening, reading, and overall literacy comprehension skills. Coupled with modest teacher training, and limited use in the classroom, the DVD generated dramatic vocabulary growth in…