Eighty-three preschoolers participated in toy play and mealtimes with their mothers. Different types of extended discourse were identified: fantasy world in toy play, and narrative and explanatory in mealtimes. Rare words (that preschoolers are not likely to know) were identified within extended discourse and within entire transcripts. The ratio…

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…

A study examined the role that children, mothers, and fathers played in the construction of explanations in a corpus of mealtime conversations. Data for the study were drawn from conversations collected as part of the Home-School Study of Language and Literacy Development. Subjects, 32 preschool children eligible for the Head Start program and…

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…

A longitudinal study called The Home-School Study of Language and Literacy Development examined the relationships between the kinds of talk that children experience at home and school at ages 3 and 4 and measures of literate abilities at age 5. Subjects, 87 children in 2 cohorts of 42 and 45 children from low-income families living in the Boston,…