Publication: Cross-language perception of Japanese vowel length contrasts: Comparison of listeners from different first language backgrounds
Issued Date
2014-01-01
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10924388
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2-s2.0-84902837910
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Speech, Language, and Hearing Research. Vol.57, No.3 (2014), 805-814
Suggested Citation
Kimiko Tsukada, Yukari Hirata, Rungpat Roengpitya Cross-language perception of Japanese vowel length contrasts: Comparison of listeners from different first language backgrounds. Journal of Speech, Language, and Hearing Research. Vol.57, No.3 (2014), 805-814. doi:10.1044/2014_JSLHR-S-12-0416 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/33192
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Title
Cross-language perception of Japanese vowel length contrasts: Comparison of listeners from different first language backgrounds
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Abstract
Purpose: The purpose of this research was to compare the perception of Japanese vowel length contrasts by 4 groups of listeners who differed in their familiarity with length contrasts in their first language (L1; i.e., American English, Italian, Japanese, and Thai). Of the 3 nonnative groups, native Thai listeners were expected to outperform American English and Italian listeners, because vowel length is contrastive in their L1. Native Italian listeners were expected to demonstrate a higher level of accuracy for length contrasts than American English listeners, because the former are familiar with consonant (but not vowel) length contrasts (i.e., singleton vs. geminate) in their L1. Method: A 2-alternative forced-choice AXB discrimination test that included 125 trials was administered to all the participants, and the listeners' discrimination accuracy (d′) was reported. Results: As expected, Japanese listeners were more accurate than all 3 nonnative groups in their discrimination of Japanese vowel length contrasts. The 3 nonnative groups did not differ from one another in their discrimination accuracy despite varying experience with length contrasts in their L1. Only Thai listeners were more accurate in their length discrimination when the target vowel was long than when it was short. Conclusion: Being familiar with vowel length contrasts in L1 may affect the listeners' cross-language perception, but it does not guarantee that their L1 experience automatically results in efficient processing of length contrasts in unfamiliar languages. The extent of success may be related to how length contrasts are phonetically implemented in listeners' L1. © American Speech-Language-Hearing Association.