Standards of academic performance place a high demand on students' English language. To help Spanish-speaking preschoolers who are developing English as a second language meet these demands, researchers recommend strengthening their first language to facilitate development of their second language. Head Start teachers and research assistants…

This dissertation investigates whether and how learners' heritage language (HL) background and explicitness of feedback influence second language (L2) pragmatic development of Korean referent honorifics through conversational interaction. Specifically, this study focuses on HL learners versus non-heritage language (NHL) learners and recasts versus…