Purpose: This experiment investigated the effects of a book-sharing intervention implemented in coparenting homes on the conversations of preschoolers with their parents. Method: A multiple baseline design across behaviors was used to evaluate the effects of embedding decontextualized language utterances during book-sharing delivered by four…

Purpose: This article describes the iterative development of a home review program designed to augment vocabulary instruction for young children (ages 4 and 5 years) occurring at school through the use of a home review component. Method: A pilot study followed by two experiments used adapted alternating treatment designs to compare the learning of…

Preschool experience plays a role in children's development. However, for programs with language and early literacy goals, the question remains whether preschool instructional experiences are sufficiently effective to achieve these goals for all children. In a multisite study, the authors conducted a process-product description of preschool…