Re-examining the effect of phonological similarity between the native- and second-language intonational systems in second-language speech segmentation

초록

This study investigates how phonological and phonetic aspects of the native-language (L1) intonation modulate the use of tonal cues in second-language (L2) speech segmentation. Previous research suggested that prosodic learning is more difficult if the L1 and L2 intonations are phonologically similar but phonetically different (French-Korean) than if they are phonologically different (English-French/Korean) (Prosodic-Learning Interference Hypothesis; Tremblay, Broersma, Coughlin & Choi, 2016). This study provides another test of this hypothesis. Korean listeners and French-speaking and English-speaking L2 learners of Korean in Korea completed an eye-tracking experiment investigating the effects of phrase tones in Korean. All groups patterned similarly with the phrase-final tone, but, unlike Korean and French listeners, English listeners showed early benefits from the phrase-initial tone (signaling word-initial boundaries in English). Importantly, French listeners patterned like Korean listeners with both tones. The Prosodic-Learning Interference Hypothesis is refined to suggest that prosodic learning difficulties may not be persistent for immersed L2 learners.

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