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…

Examined the pattern of deletion of final "/t/" and "/d/" in word final consonant clusters in 3- and 4-year-old children (n=16) and their degree of mastery of phonological and grammatical constraints. Results indicate that children as young as three had mastered the phonological constraints on (-t, d) deletion and that the…

Assessed language quality of 15 four-year olds with three conversational partners: a center-care teacher, an older child, and a younger child. Data coded included number of turns, utterances, gaps, statements versus questions, contingent responses, and amount of self-talk. Found that children take more turns with an adult but produce fewer…