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The Effect of Auditory Musical Rhythm as a Cue on L2 Pronunciation Learning and Its Relationship to Individual Differences

원문정보

Kaori Sugiura, Tomoko Hori

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초록

영어

This study investigated whether short-term training in musical rhythm enhances second language (L2) pronunciation skills, including rhythm, speaking rate, pitch range, and vowel length contrast (/ɪ/ and /i/). We also examined how pronunciation features interact in rhythmic training outcomes and how individual differences—language proficiency, phonological short-term memory (pSTM), and rhythmic ability—affect improvement. Twenty university students, all native Japanese speakers, participated in a pre-test, practice session, and post-test. They performed under two conditions in the practice session: a with-rhythm condition, in which they first repeated a musical rhythm that matched the rhythmic pattern of an auditorily presented sentence and then repeated the sentence, and a without-rhythm condition, in which sentences were repeated without rhythmic musical cues. Acoustic analyses showed that rhythmic priming significantly enhanced pronunciation, particularly in rhythm and vowel length contrast. Rhythm improvement correlated positively with vowel contrast but negatively with pitch range, suggesting cognitive load effects on speech processing. Moreover, individual differences influenced learning outcomes; pSTM predicted greater rhythm improvement in the with-rhythm condition, whereas English proficiency was a stronger predictor in the without-rhythm condition. These findings highlight the role of the pronunciation method using rhythmic priming in L2 phonetic instruction, particularly for duration-related pronunciation features, and emphasize the importance of tailoring this method to learners’ cognitive profiles to optimize pronunciation learning.

일본어

本研究は、音楽的リズムの短時間トレーニングが第二言語(L2)発音能力(リズム、発話速 度、ピッチ幅、母音長の対比(/ɪ/ と /i/))の向上に寄与するか、またこれらの発音能力 とトレーニングの関係、さらに個人差要因(言語熟達度、音韻的短期記憶(pSTM)、リズム 能力)が及ぼす影響について検証することを目的としている。日本語を母語とする日本人大 学生20名を対象に、事前テスト、練習、事後テストを実施した。参加者は、リズムあり(リ ズムビートを用いたプライミングの後、同じ韻律構造を持つ音声提示文を復唱)とリズムな し(リズム的な手がかりなしに音声提示文を復唱)の条件で実験した。音響分析の結果、リ ズムプライミングは発音能力を顕著に向上させ、特にリズムと母音長の対比において有意な 向上が見られた。また、リズムの向上は母音長の対比と正の相関を示した一方で、ピッチの 幅とは負の関連を示し、音声処理における認知的負荷の影響が示唆された。さらに、学習成 果には個人差の影響が認められ、リズムあり条件で pSTMがリズムの向上を有意に予測する 一方で、リズムなし条件では英語熟達度がより強力な予測因子として機能した。本研究の結果は、リズムプライミングを用いた発音指導法が、特に長さに関わる発音特性の向上に有効 であることを示すとともに、学習者の認知的特性に応じた指導法の調整が発音学習の最適化 につながる可能性を示唆するものである。

목차

Abstract
초록
Introduction
The Effects of Rhythm on L1 Perception and Production: A Theoretical Background
The Effects of Rhythm on L2 Pronunciation
The Effect of Cognitive Abilities on L2 Pronunciation
The Problematic English Pronunciation Features for Japanese Learners
Present Study
Method
Participants
Materials
Results
Correlation Between Variables
Discussion
Research Question 1: How effectively can adult learners acquire L2 pronunciation skills (rhythm, speaking rate, pitch range, vowel length contrast) through musical rhythm that match the prosody of the following sentence?
Research Question 2: Are there connections between different pronunciation features and the outcome in the with-rhythm condition? If so, what kind?
Research Question 3: Are there connections between learners’ IDs (language ability, pSTM capacity, rhythmic ability) and the outcome in the with-rhythm condition (regarding rhythm)? If so, what kind?
Conclusion and Implications
Acknowledgements
The Authors
References

저자정보

  • Kaori Sugiura Ritsumeikan University
  • Tomoko Hori Juntendo University

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