自动语音识别在ESL/EFL发音中的有效性:一项元分析

IF 4.6 1区 文学 Q1 EDUCATION & EDUCATIONAL RESEARCH Recall Pub Date : 2023-04-13 DOI:10.1017/s0958344023000113
Thuy Thi-Nhu Ngo, Howard Hao-Jan Chen, Kuo-Wei Lai Kyle
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引用次数: 0

摘要

本荟萃分析研究探讨了自动语音识别(ASR)对ESL/EFL学生发音表现的整体效果。从2008年到2021年,我们对15项研究的38个效应量的数据进行了荟萃分析。荟萃分析的结果表明,ASR具有中等总体效应大小(g = 0.69)。调节分析结果表明:(1)显性纠正反馈的ASR效果显著,而间接反馈(如听写)的ASR效果中等;(2) ASR对音段发音的影响较大,对超音段发音的影响较小;(3)中长ASR治疗时间与非ASR治疗时间相比,学习效果较高,但短ASR治疗时间与非ASR治疗时间无差异;(4)与同伴在ASR条件下练习发音效果大,单独练习效果小;(5) ASR对成人(即18岁及以上)和中级英语学习者非常有效。总的来说,ASR是一个有益的应用,推荐用于帮助二语学生的发音发展。
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The effectiveness of automatic speech recognition in ESL/EFL pronunciation: A meta-analysis
This meta-analytic study explores the overall effectiveness of automatic speech recognition (ASR) on ESL/EFL student pronunciation performance. Data with 15 studies representing 38 effect sizes found from 2008 to 2021 were meta-analyzed. The findings of the meta-analysis indicated that ASR has a medium overall effect size (g = 0.69). Results from moderator analyses suggest that (1) ASR with explicit corrective feedback is largely effective, while ASR with indirect feedback (e.g. ASR dictation) is moderately effective; (2) ASR has a large effect on segmental pronunciation but a small effect on suprasegmental pronunciation; (3) medium to long treatment duration of ASR results in higher learning outcomes, but short duration offers no differential effect compared to a non-ASR condition; (4) practicing pronunciation with peers in an ASR condition produces a large effect, but the effect is small when practicing alone; (5) ASR is largely effective for adult (i.e. 18 years old and above) and intermediate English learners. Overall, ASR is a beneficial application and is recommended for assisting L2 student pronunciation development.
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Recall
Recall Multiple-
CiteScore
8.50
自引率
4.40%
发文量
17
期刊最新文献
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