Background: Bilingual assessment is particularly difficult in the very first period of children's second language (L2) exposure. This exploratory, longitudinal study examined L2 learning after 1 and 2 years of L2 exposure by young immigrants and how it is affected by their age at first exposure to the L2 (AoE). Method: Participants were 18…

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 explored the patterns and predictors of code-switching (CS) in Singapore preschoolers by analyzing the data elicited from an existing early childhood corpus. Altogether 943 cases of CS produced by 111 children aged 2;6, 3;6, 4;6, 5;6, respectively, were analyzed. The results indicated that: (1) 'insertion', 'intersentential', and…

This study examined the developmental trajectories of Arabic grammatical number in Arabic-English bilingual children. The samples consisted of 80 individuals (40 monolingual children residing in Jordan and 40 bilingual children residing in the USA), aged between 5 and 9 years. Data was collected through two tasks involving picture able objects and…

In this article we examine language processing and development in Catalan or Spanish-speaking children with SLI, focusing on the study of the verb. We analyse the key initial phase of its process of acquisition and aim to define common features of the SLI group that distinguish them from children with normal language development. We intend to…

This study investigated factors facilitating acquisition of Irish in Irish-medium playgroups designed for children who are native English-speakers. Data were gathered in four visits each to two such playgroups, each containing approximately 20 children. Four aspects of conversational exchanges were examined: understanding; code mixing; formulaic…

Two related studies investigated (1) the extent to which native language input to five Japanese children was varied based on the children's age, and (2) the effectiveness of adult Japanese second language input to a three-year-old American child during a one-month period in Japan. In the first study, interactions of adult-child dyads were compared…

This paper investigates the development of negative Wh-questions in a four year old subject acquiring English as her L1. Spontaneous and elicited speech samples were collected over a period of 6 months. During the course of the study, the subject began to invert subject and auxiliary, and by the end of the study she was inverting correctly in 38%…

This is a report on a child's English and French speech before, during and after a summer vacation in France. The findings are based on recorded samples of her speech in both languages elicited at three times: (1) immediately preceding the trip at age 3 years, 8 months; (2) 2 and l/2 months later; and (3) again 2 and l/2 months after her return to…

Essays in applied linguistics include: "Meaningful Negotiation: A Study of the Pedagogical Value of Autotutor-An Interactive Video Learning Resource" (John Stephen Byrne); "Medium of Instruction in the L2 Classroom" (Wei Danhua); "The Story of Language Contact and Shift in Ireland: How Unique, How Universal?" (Markku,…