Effects of Practice Variability on Second-Language Speech Production Training.
Effects of Practice Variability on Second-Language Speech Production Training.
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DOI：
10.1159/000510621
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发表时间：
2021
期刊：
影响因子：
--
通讯作者：
McAllister T
中科院分区：
文献类型：
--
作者：
Bu L;Nagano M;Harel D;McAllister T
掌握第二语言（L2）的语音涉及言语运动技能的组成部分，有人建议，旨在实现更像母语发音的L2学习者可以受益于根据运动学习原则构建的练习。本研究探讨了这样一个原则的影响，高与低的变化，在实践中，对韩国成年人寻求获得英语rhotics的本地生产的语音运动学习。Practice结合了市售的口内放置装置（“R Buddy”，Speech Buddies，Inc.）。在一个单一的主题跨行为的设计，8名参与者被伪随机分配到实践中的低变异性（单个单词）或高变异性（多个单词）的练习条件下的rhotic目标。在短期时间范围内观察到高变异性相对于低变异性实践的假设优势。然而，长期学习在这两种情况下都是有限的。这些结果表明，未来的研究应该结合高变异性的做法，同时确定额外的操作，以最大限度地提高长期泛化学习的幅度。
Mastering the phonetics of a second language (L2) involves a component of speech-motor skill, and it has been suggested that L2 learners aiming to achieve more native-like pronunciation could benefit from practice structured in accordance with principles of motor learning. This study investigated the influence one such principle, high versus low variability in practice, on speech-motor learning for Korean adults seeking to acquire native-like production of English rhotics. Practice incorporated a commercially available intraoral placement device (“R Buddy,” Speech Buddies, Inc.). In a single-subject across-behaviors design, eight participants were pseudo-randomly assigned to practice rhotic targets in a low-variability (single word) or high-variability (multiple words) practice condition. The hypothesized advantage for high-variability over low-variability practice was observed in the short-term time frame. However, long-term learning was limited in nature for both conditions. These results suggest that future research should incorporate high-variability practice while identifying additional manipulations to maximize the magnitude of long-term generalization learning.
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