青山学院大学図書館

A Signal Detection Theorem Analysis of Native Japanese Production of American English Vowels

Lambacher, Stephen G., Issued : 2010.12.25, 青山社会情報研究. ; 2(Page:51-62). <TF01306567>
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コレクションコード 紀要論文
コレクションコード 青山社会情報研究
コレクションコード 2
ソースレコードID AA12424269
タイトル A Signal Detection Theorem Analysis of Native Japanese Production of American English Vowels
作成者 Lambacher, Stephen G.
NCID AA12424269
ISSN(プリント) 18837638
DOI URL https://doi.org/10.34321/12261
収録物名 青山社会情報研究
巻次等 2
開始ページ 51
終了ページ 62
日付 Issued : 2010.12.25
主題 Other-en:signal detection theorem
主題 Other-en:identification training
主題 Other:L2 vowel production
内容記述 The purpouse of this paper was to investigate the effects of identification training on the ability of native Japanese to pronounce the five American English (AE) vowels /æ/,/α/,/ʌ/,/ɔ/,/ɝ/. A production task, performed both before and after a six-week vowel identification training program, included an experimental group and a control group who produced words containing each of the five target vowels within a varied consonantal context. In a separate task, a group of native speakers of English performed an identification task that included a random sampling of the pre-and post-training vowel productions of the Japanese subjects from each of the two groups. A random sampling of vowel utterances as produced by the group of experimental Japanese talkers were then rated by three native English listeners in a two-interval, forced-choice identification task. A signal detection theorem-based correction for bias served to reveal a different pattern of production results and influenced the interpretation of the data, especially with regard to the /ʌ/ vowel. The results showed that the trained Japanese group's productions were more intelligible than the control group's productions for each of the five target AE vowels.
資源タイプ departmental bulletin paper
資料種別(NIIタイプ) 紀要論文
物理的形態 PDFファイル
アクセス権 open access