Using a large sample of longitudinal assessment data from children in publicly funded infant/toddler care, preschool, and kindergarten (analytic N = 453,468), this study modeled language and literacy trajectories from early infancy through kindergarten for dual language learners (DLLs) from homes representing many different languages and their…

Effective peer interaction is fundamental to social development, cognitive development, and academic success. Young children's early exposure to and development of social competence begins in the home and is further developed upon entry into early childhood programmes. In the United States, where early childhood programmes serve increasingly…