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ORIGINAL ARTICLE
Korean J Pediatr 2010 September;53(9) :834-839.
doi:https://doi.org/10.3345/kjp.2010.53.9.834
Korean speech sound development in children from bilingual Japanese-Korean environments
Jeoung Suk Kim (Kim JS)2, Jun Ho Lee (Lee JH)2, Yoon Mi Choi (Choi YM)3, Hyun Gi Kim (Kim HG)4, Sung Hwan Kim (Kim SH)5, Min Kyung Lee (Lee MK)6, Sun Jun Kim (Kim SJ)1
1Department of Pediatrics, Department of Clinical Speech Pathology/Research Institute of Speech, Chonbuk National University Medial School, Jeonju, Korea
2Department of Pediatrics, Chonbuk National University Medial School, Jeonju, Korea
3Department of Pediatrics, Department of Clinical Speech Pathology/Research Institute of Speech, Chonbuk National University Medial School, Jeonju, Korea
4Department of Clinical Speech Pathology/Research Institute of Speech, Chonbuk National University Medial School, Jeonju, Korea
5Department of Pediatrics, Ajou University School of Medicine, Suwon, Korea
6Department of Early Childhood Education, Kijeon College, Jeongju, Korea
Corresponding Author: Sun Jun Kim ,Email: sunjun@jbnu.ac.kr
Copyright © 2010 by The Korean Pediatric Society
ABSTRACT
Purpose : This study investigates Korean speech sound development, including articulatory error patterns, among the Japanese-Korean children whose mothers are Japanese immigrants to Korea. Methods : The subjects were 28 Japanese-Korean children with normal development born to Japanese women immigrants who lived in Jeonbuk province, Korea. They were assessed through Computerized Speech Lab 4500. The control group consisted of 15 Korean children who lived in the same area. Results : The values of the voice onset time of consonants /ph/, /t/, /th/, and /k*/ among the children were prolonged. The children replaced the lenis sounds with aspirated or fortis sounds rather than replacing the fortis sounds with lenis or aspirated sounds, which are typical among Japanese immigrants. The children showed numerous articulatory errors for /c/ and /l/ sounds (similar to Koreans) rather than errors on /p/ sounds, which are more frequent among Japanese immigrants. The vowel formants of the children showed a significantly prolonged vowel /o/ as compared to that of Korean children (P<0.05). The Japanese immigrants and their children showed a similar substitution /n/ for /ɧ/ [Japanese immigrants (62.5%) vs Japanese-Korean children (14.3%)], which is rarely seen among Koreans. Conclusion : The findings suggest that Korean speech sound development among Japanese-Korean children is influenced not only by the Korean language environment but also by their maternal language. Therefore, appropriate language education programs may be warranted not only or immigrant women but also for their children.
Keywords: Speech development | Phonetics | Bilingualism | Korean | Japanese
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