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The impact of L2-learning experience and target dialect on predicting English vowel identification using Korean vowel categories
Journal of Phonetics ( IF 1.9 ) Pub Date : 2020-07-15 , DOI: 10.1016/j.wocn.2020.100983
Shinsook Lee , Mi-Hui Cho

Park and de Jong (2008, 2017) reported that their L1-based model predicted the identification of English consonants with Korean analogues quite successfully while error rates for those without Korean analogues were systematically greater than the model predicted, and Lee and Cho (2018) obtained similar results for English vowels. However, Park and de Jong (2008, 2017) and Lee and Cho (2018) examined only L1-Korean inexperienced EFL listeners’ identification of English consonants or vowels. English vowels such as /æ-a/ (bat), /ɝ-ɜ/ (Burt), and /ɑ-ɒ/ (stop) exhibit dialect differences between North American English (NAE) and Standard Southern British English (SSBE), but few researchers have examined Korean second language (L2) listeners’ perceptions of English vowels in regional dialects other than NAE. The current study was an investigation of the degree to which the L1-based model predicts L1-Korean experienced L2 listeners’ identification of NAE and SSBE vowels based on the predictions that experienced L2 listeners are less likely to use L1 (first language) categories in L2 vowel identification than are inexperienced L2 listeners and that even experienced L2 listeners might use L1 categories when identifying L2 vowels in a less familiar English dialect. Korean listeners with different lengths of residence (LOR) in the United States (long: 11.1 years vs. short: 4 years) and with limited experience with British English completed English vowel identification and English-Korean vowel mapping tasks. The results show that the L1-based model predicted only the short-LOR listeners’ identification of NAE and SSBE vowels rather accurately, indicating the effect of L2-learning experience. The model also more accurately predicted the short-LOR listeners’ identification of SSBE vowels relative to NAE vowels, showing that the impact of the amount of L2 learning-experience decreased with a less familiar dialect. When the listeners’ goodness ratings of the category mapping were considered, the predictive power of the model weakened. Further, the new-similar distinction for L2 English vowels vis-à-vis L1-Korean may be gradient, and the new-similar distinction is variable depending on L2-learning experiences.



中文翻译:

L2学习经验和目标方言对使用韩国元音类别预测英语元音识别的影响

Park and de Jong(2008,2017)报告说,他们基于L1的模型非常成功地预测了带有韩语类似物的英语辅音的识别,而没有韩语类似物的人的错误率系统地大于预测的模型,Lee and Cho(2018)对于英语元音也获得了类似的结果。然而,Park and de Jong(2008,2017)和Lee and Cho(2018)仅研究了L1-韩语经验不足的EFL听众对英语辅音或元音的识别。英语元音,例如/æ-a/(bat),/ɝ-ɜ/(Burt)和/ɑ-ɒ/(stop)表现出北美英语(NAE)和标准南部英式英语(SSBE)之间的方言差异,但除NAE之外,很少有研究人员研究韩国第二语言(L2)听众对英语方言中元音的理解。当前的研究是对基于L1的模型预测L1韩国有经验的L2听众对NAE和SSBE元音的识别程度的调查,该预测基于以下经验:有经验的L2听众不太可能使用L1(第一语言)类别。 L2元音识别比没有经验的L2听者识别,甚至经验丰富的L2听众在识别不太熟悉的英语方言中的L2元音时也可能使用L1类别。在美国居住时间不同(LOR)的韩国听众(长:11.1年,短:4年),并且在英国英语方面的经验有限,无法完成英语元音识别和英语-韩语元音映射任务。结果表明,基于L1的模型仅相当准确地预测了NAE和SSBE元音的短LOR收听者识别,表明了L2学习体验的效果。该模型还可以更准确地预测相对于NAE元音的SSBE元音的短LOR听众识别,表明使用较少熟悉的方言,L2学习经验量的影响会降低。当考虑听众对类别映射的好感度时,模型的预测能力会减弱。此外,L2英语元音相对于L1-韩语的新相似区别可能是渐变的,并且新相似区别取决于L2学习经验而变化。

更新日期:2020-07-15
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