The present study examined the extent to which preschool classroom supports--relational support (RS) and instructional support (IS)--are associated with children's language development and whether these associations vary as a function of children's language ability. The language skills of 360 children within 95 classrooms were assessed using an…

Researchers investigated whether the Classroom Assessment Scoring System[TM] reliably characterized prekindergarten classrooms having varying ethnic and language compositions across the instrument's three domains (Emotional Support, Classroom Organization, and Instructional Support). They also examined whether the instrument predicted children's…

With the rising number of Latino and dual language learner (DLL) children attending pre-k and the importance of assessing the quality of their experiences in those settings, this study examined the extent to which a commonly used assessment of teacher-child interactions, the Classroom Assessment Scoring System (CLASS), demonstrated similar…

This study examined associations between peers' expressive language abilities and children's development of receptive and expressive language among 1,812 four-year olds enrolled in 453 classrooms in 11 states that provide large-scale public pre-kindergarten (pre-k) programs. Higher peer expressive language abilities were positively associated with…

There is widespread acknowledgement that the production of effective teaching and teachers is perhaps the critical component of education reform and innovation for improvement of student learning. This aim requires a serious investment of time, rigor, and evaluation to produce professional-development programs that actually work. This report…