The impact of language-learning environments on Korean learners’ English vowel production
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The current study investigated whether Korean learners’ English-learning environments, especially target English accent (General American English (GAE) vs. Southern British English (SBE)) and English-language experience affected their production of English vowels. Thirty six EFL learners, 27 ESL-US learners, and 33 ESL-UK learners produced 8 English vowels with a bVt frame (beat, bit, bet, bat, bought, bot, boat, boot). The learners’ productions were acoustically analyzed in terms of F1 and F2 frequencies. The overall results revealed that the learners’ target accent had an effect on their production of some English vowels. The EFL and ESL-US learners’ (especially, female learners’) production of bought, bot, boat, and boot, which show characteristic differences between the GAE and SBE accents, was closer to that of the native American English (AE) speakers than the native British English (BE) speakers. In contrast, the ESL-UK learners’ production of bought and bot demonstrated the opposite pattern. Thus, the impact of target accent was not demonstrated across the board. The effect of the learners’ different English-language experience was also rather limited. This was because the EFL learners’ production was not much different from the ESL-US learners’ production, in spite of the ESL-US learners’ residence in the US for more than 9 years. Furthermore, the Korean learners, irrespective of their different English-language experience, tended to produce bit and bat with lower F1 than the native AE and BE speakers, thus resulting in bit and bat to be produced similarly to beat and bet, respectively. This demonstrates the learners’ persistent L1 effects on their English vowel production despite the learners’ residence in the English speaking countries or their high English proficiency.
Abstract
The current study investigated whether Korean learners’ English-learning environments, especially target English accent (General American English (GAE) vs. Southern British English (SBE)) and English-language experience affected their production of English vowels. Thirty six EFL learners, 27 ESL-US learners, and 33 ESL-UK learners produced 8 English vowels with a bVt frame (beat, bit, bet, bat, bought, bot, boat, boot). The learners’ productions were acoustically analyzed in terms of F1 and F2 frequencies. The overall results revealed that the learners’ target accent had an effect on their production of some English vowels. The EFL and ESL-US learners’ (especially, female learners’) production of bought, bot, boat, and boot, which show characteristic differences between the GAE and SBE accents, was closer to that of the native American English (AE) speakers than the native British English (BE) speakers. In contrast, the ESL-UK learners’ production of bought and bot demonstrated the opposite pattern. Thus, the impact of target accent was not demonstrated across the board. The effect of the learners’ different English-language experience was also rather limited. This was because the EFL learners’ production was not much different from the ESL-US learners’ production, in spite of the ESL-US learners’ residence in the US for more than 9 years. Furthermore, the Korean learners, irrespective of their different English-language experience, tended to produce bit and bat with lower F1 than the native AE and BE speakers, thus resulting in bit and bat to be produced similarly to beat and bet, respectively. This demonstrates the learners’ persistent L1 effects on their English vowel production despite the learners’ residence in the English speaking countries or their high English proficiency.
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