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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

The impact of a subordinate first language on second language processing in adult bilinguals

Nguyen-Hoan, Minh, Psychology, Faculty of Science, UNSW January 2008 (has links)
The present body of research examined adult bilinguals who acquired a second language (L2) from an early age and who subsequently developed language dominance in that language. The question investigated is whether such "early L2-dominant bilinguals" attain a native level of proficiency in their second language. This possibility was explored by comparing bilinguals who had Cantonese L1 (logographic, morphosyllabic), Vietnamese L1 (alphabetic, morphosyllabic) or some "Other" L1 (alphabetic, non-morphosyllabic) to English monolinguals on various tasks in English (L2). The ability to process spoken stimuli was examined using phoneme deletion, spelling-to-dictation, and auditory comprehension tasks. The results showed that bilinguals from all backgrounds had greater difficulty than monolinguals on tasks that required sublexical skills, with the morphosyllabic groups performing the most poorly. The processing of print was investigated using reading aloud and reading comprehension tasks. In contrast to the auditory tasks, only Cantonese L1 bilinguals displayed any discernable difference from monolinguals on reading. Cantonese L1 bilinguals did, however, outperform monolinguals on orthographic memory tasks, such as the spelling of idiosyncratic L2 words. The findings therefore indicated that L1 linguistic structure influences L2 processing in adulthood, despite the former having become subordinate. In order to elucidate whether transfer effects arise solely from early exposure to L1, or whether L1 maintenance also plays a role, the L1 and L2 proficiency of a separate sample of Cantonese L1 bilinguals was examined. However, no meaningful relationship between L1 and L2 proficiency was found. Finally, a sample of late bilinguals were also tested in order to determine whether the L1-specific effects observed in early bilinguals are simply an attenuated version of those in late bilinguals,. The results revealed that the development of language dominance in L2 does lead to qualitatively different outcomes in L2 for early bilinguals. The findings from the present research are most consistent with the Competition Model (e.g., Hernandez, Li, & MacWhinney, 2005), which espouses the notions of L1 transfer and entrenchment to explain second language acquisition. Overall, the research indicates that native attainment in L2 is not assured for all early L2-dominant bilinguals.
2

The impact of a subordinate first language on second language processing in adult bilinguals

Nguyen-Hoan, Minh, Psychology, Faculty of Science, UNSW January 2008 (has links)
The present body of research examined adult bilinguals who acquired a second language (L2) from an early age and who subsequently developed language dominance in that language. The question investigated is whether such "early L2-dominant bilinguals" attain a native level of proficiency in their second language. This possibility was explored by comparing bilinguals who had Cantonese L1 (logographic, morphosyllabic), Vietnamese L1 (alphabetic, morphosyllabic) or some "Other" L1 (alphabetic, non-morphosyllabic) to English monolinguals on various tasks in English (L2). The ability to process spoken stimuli was examined using phoneme deletion, spelling-to-dictation, and auditory comprehension tasks. The results showed that bilinguals from all backgrounds had greater difficulty than monolinguals on tasks that required sublexical skills, with the morphosyllabic groups performing the most poorly. The processing of print was investigated using reading aloud and reading comprehension tasks. In contrast to the auditory tasks, only Cantonese L1 bilinguals displayed any discernable difference from monolinguals on reading. Cantonese L1 bilinguals did, however, outperform monolinguals on orthographic memory tasks, such as the spelling of idiosyncratic L2 words. The findings therefore indicated that L1 linguistic structure influences L2 processing in adulthood, despite the former having become subordinate. In order to elucidate whether transfer effects arise solely from early exposure to L1, or whether L1 maintenance also plays a role, the L1 and L2 proficiency of a separate sample of Cantonese L1 bilinguals was examined. However, no meaningful relationship between L1 and L2 proficiency was found. Finally, a sample of late bilinguals were also tested in order to determine whether the L1-specific effects observed in early bilinguals are simply an attenuated version of those in late bilinguals,. The results revealed that the development of language dominance in L2 does lead to qualitatively different outcomes in L2 for early bilinguals. The findings from the present research are most consistent with the Competition Model (e.g., Hernandez, Li, & MacWhinney, 2005), which espouses the notions of L1 transfer and entrenchment to explain second language acquisition. Overall, the research indicates that native attainment in L2 is not assured for all early L2-dominant bilinguals.

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