This study examined explanatory talk that occurred in families of preschool children during book readings between mother and child, and during mealtimes with the whole family. The study is part of a larger study, the Home School Study of Language and Literacy Development. Three-year-old children eligible for Head Start programs in the greater…

To examine relationships between children's exposure to and use of new or rare words during preschool years and their later performance on vocabulary-related measures, this study explored frequencies of rare word use in different conversational settings. The study also tracked the use of rare words by mothers and children and related those results…