Departmental Bulletin Paper Acquisition of Rendaku by Bilingual Children: A Case Study
幼児の連濁獲得を規定する諸要因の検討 : バイリンガル児の事例から

杉本, 貴代  ,  Takayo, SUGIMOTO

(11)  , pp.83 - 91 , 2016-07 , 国立国語研究所
ISSN:2186-134x print/2186-1358 online
The present paper presents research on rendaku acquisition by bilingual children. Rendaku is a morphophonemic process in Japanese that voices the initial obstruent of the second member (N2) of a compound. Recent studies suggest that preschoolers develop their own rendaku strategy (preschooler-specific rendaku strategy) and revise it in the process of acquiring an adult grammar of rendaku. A longitudinal study of monolingual children's rendaku acquisition shows that two factors determine the acquisition patterns of children's rendaku: prosodic (pitch accent of N2) and morphological (word length of N2) factors. In order to test the plausibility of the two factors and the preschooler-specific rendaku strategy, we conducted a compound noun formation task with two bilinguals and found that they showed the preschooler-specific rendaku strategy just as monolinguals do. Longitudinal data from a simultaneous English-Japanese bilingual showed strictly rule-based rendaku acquisition, which is a unique acquisition pattern. Some implications are considered.

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