| Project/Area Number |
24520594
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Japanese language education
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| Research Institution | Kwansei Gakuin University |
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Principal Investigator |
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| Project Period (FY) |
2012-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Keywords | バイリンガリズム / 受容バイリンガル / 英語-日本語バイリンガル / 言語使用 / 言語発達 / 劣勢言語 / 優勢言語 / 相互作用 / 英語-日本語 / 受容能力 / 日本語 / 英語 / ハワイ / バイリンガル / 非優勢言語 / 言語獲得／発達 / 同時バイリンガル / 第1言語としてのバイリンガリズム / 英語ｰ日本語 / 異言語間家族 |
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| Outline of Final Research Achievements |
This study notes chronological changes in the language use of one bilingual child: From a quantitative point of view, her use of English increased and her use of Japanese decreased, and from a qualitative point of view, her comprehension of Japanese grammar (case particles) did not advance. While these results were not surprising, an unexpected phenomenon was observed in the mother’s language use: despite her strenuous attempt to use only Japanese in mother-child conversation sessions, her use of English increased along with the child’s and, complementarily, her sole use of Japanese decreased, both at a statistically significant level.
What this suggests is that the stagnation/retreat of the child’s subordinate language is the circular result of parent-child interactive dynamics, with the stagnation/retreat of the child’s subordinate language causing the decrease of the parental use of that language, which in turn exacerbates the retreat of the child’s subordinate language.
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