This dissertation draws on both qualitative and quantitative approaches to investigate the linguistic practices of teachers and children who are learning Mandarin Chinese as a Heritage Language (CHL) in two dual immersion preschools in California. CHL children have been interpreted as novice members in local speech communities who actively explore…

This study investigates whether a curriculum supplement organized as a sequence of teacher-led literacy activities using digital content from public educational television programs can improve early literacy outcomes of low-income preschoolers. The study sample was 436 children in 80 preschool classrooms in California and New York. Preschool…

The study examined whether preschoolers who were exposed to a media-rich literacy curriculum had better early reading skills than preschoolers who were exposed to a media-rich science curriculum. The study randomly assigned 80 preschool classes to incorporate either a media-rich literacy curriculum or a media-rich science curriculum. The final…

"Earobics"[R] is interactive software that provides students in pre-K through third grade with individual, systematic instruction in early literacy skills as students interact with animated characters. "Earobics[R] Foundations" is a version for pre-Kindergarten, Kindergarten, and first graders. "Earobics[R]…