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…

Ticuna (ISO: tca) is a language isolate spoken in the northwestern Amazon Basin (Brazil, Colombia, Peru). Ticuna has more speakers than almost all other Indigenous Amazonian languages and -- unlike most languages of the area -- is still learned by children. Yet academic linguists have given it relatively little research attention. Therefore, to…

This study tested a theory of null subject pronoun variation, based on a model of discourse connectedness, on the oral and written Spanish narratives of northern California Mexican-descent pre-adolescents. Results indicate the children with greatest depth of ties to the United States are less likely to use overt pronouns than children born in…