대한언어학회 전자저널

Kang, Seokhan. (2024). Comparative study of L2 suprasegmental development by the effects of immersion and L2 groups. The Linguistic Association of Korea Journal, 32(3), 23-44. This study investigated the cross-directional development of L2 fluency in the production of suprasegmental features by the effect of immersion and the L2 learners group. L2 learners of native English and Korean, with two different lengths of immersion, were compared and analyzed cross-linguistically. It was hypothesized that the longer-immersed groups of L2 learners would show suprasegmental features more similar to those of native speakers than the shorter- immersed learners. Both groupsEnglish learners of Korean and Korean learners of Englishwith different immersion levels were examined to test the hypothesis. The results proved that the longer-immersed L2 groups produced acoustic signals similar to those of L1 native speakers, along with higher fluency scores than those of the short-immersed counterparts. However, some distinctive features can be found in that the longer-immersed groups have difficulty adjusting spectral cues. As a result, both groups exhibited acoustic characteristics with universal as well as individual acquisition patterns following the effects. The similar features are realized in the temporal cues such as speech rate and pause duration, while the particular features are found in the spectral cues. The results suggest that L2 development is influenced by both universal L2 development factors and distinctive groups of L2 learners.

# second language acquisition # immersion # prosody # phonetic cues # English # Korean # L2 experience

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