Research Findings: The present study investigates both the proximal processes and contextual influences on children's oral language development in preschool. We examine whether teacher language practices vary across activity settings and program type, which teacher language practices predict children's oral language skills, and potential…

SciMath-DLL is a preschool professional development (PD) model including STEM instructional offerings that aims to improve the quality of instruction for all children, including dual language learners (DLLs). The purpose of the PD model is to create practical and authentic STEM and DLL supports for early childhood educators, who are generally not…