对带有非母语口音的单词和句子的歧视。
Nonnative Accent Discrimination with Words and Sentences.
作者信息
Atagi Eriko, Bent Tessa
机构信息
Department of Speech and Hearing Sciences, Indiana University, Bloomington, IN, USA.
出版信息
Phonetica. 2017;74(3):173-191. doi: 10.1159/000452956. Epub 2017 Mar 7.
BACKGROUND
Accent detection studies have shown native listeners to be highly sensitive to the presence of nonnative accents. This study examined the robustness of this sensitivity.
METHODS
We evaluated listeners' accent discrimination performance when presented with a stimulus set consisting of multiple nonnative accents, as well as words and sentences that were unique in each trial. Listeners heard pairs of talkers reading the same word or sentence and indicated whether the talkers' native languages were the same or different. Talkers included two native talkers and six nonnative talkers from three native language backgrounds.
RESULTS
Listeners were highly sensitive to the difference between native and nonnative accents, confirming earlier findings, but were much less sensitive to the difference between two nonnative accents. Furthermore, while stimulus length affected listeners' sensitivity to the difference between native and nonnative accents, this factor had a minimal effect on their sensitivity to the difference between two nonnative accents.
CONCLUSION
The findings suggest that task and stimulus characteristics have a significant effect on the degree of sensitivity to nonnative accents.
背景
口音检测研究表明，以英语为母语的听众对非母语口音的存在高度敏感。本研究考察了这种敏感性的稳健性。
方法
我们评估了听众在面对由多种非母语口音以及每次试验中独特的单词和句子组成的刺激集时的口音辨别表现。听众听取成对说话者朗读相同的单词或句子，并指出说话者的母语是否相同。说话者包括两名以英语为母语的人和六名来自三种母语背景的非母语人士。
结果
听众对母语和非母语口音之间的差异高度敏感，证实了早期的研究结果，但对两种非母语口音之间的差异敏感度要低得多。此外，虽然刺激长度影响了听众对母语和非母语口音之间差异的敏感度，但该因素对他们对两种非母语口音之间差异的敏感度影响最小。
结论
研究结果表明，任务和刺激特征对非母语口音的敏感程度有显著影响。
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