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Direct linkYan Zhang; Chunlin Yao – SAGE Open, 2025
In this study, we conduct a longitudinal experiment to explore the effects of adaptive phonetic training on the identification of the English vowels /i/ and /I/ by learners in China. The vowel /i/ in English has a low F1 value, a high F2 value, and a long duration. In contrast, the vowel /i/ has a high F1 value, a low F2 value, and a short…
Descriptors: Vowels, Phonetics, English (Second Language), Second Language Learning
