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Language Learning Environments of Bilingual Children

Bilingual children's language learning environments play a crucial role in thier language development. Language learning environments involve dynamic communicative interactions between communicative partners (e.g., parent-child communication) within structured and unstructured activities at home and in school settings. In a series of studies, we examine the naturalistic language environments of bilingual preschool children and how various external factors affect their language development. 

Language Development in Typically-developing Bilingual Children

This project is in collaboration with . This project aims at documenting the language development in Cantonese-English bilingual preschool children.  We are interested in understanding the language growth trajectories of typically-developing bilingual children. 

Vocabulary Learning in Bilingual Children with Language Impairments

In this project, we investigate the word learning system of bilingual children with language impairments. We examine their cumulative vocabulary in L1 and L2 and how they learn individual words in each language.  Our goal is to examine the feasibility of using vocabulary growth curves and/or word learning growth curves to separate bilingual children with language impairment from their typically-developing peers. The project was funded by .

Individualized Vocabulary Intervention for Bilingual Children in Classroom Settings

This project is in collaboration with  (MPI) from the Department of Psychology and Neuroscience at the Â鶹ÊÓƵ. This project examines the feasibility of using machine learning methods to generate individually tailored interventions in preschool classrooms for children who learn Cantonese (L1) and English (L2).  This project is funded by . 

The Silent Period in Childhood Second Language Acquisition

This project explores the methodology for quantitatively examining the silent period of bilingual preschool children who speak a minority language (L1) at home and start to learn English (L2) in preschool settings.