We investigate the social network and the acoustic vowel space of a Mandarin Chinese speaker of English. Our goal is to test Krashen’s Input Hypothesis, and determine whether or not the quality and quantity of input that our participant receives within his social network can help him to improve his pronunciation of English vowels. First, we did an audit of his vowels to find out which ones of the 11 monophthong vowels of English he can produce intelligibly and which ones he cannot. The informant was recorded producing these 11 phonemic vowels. The F1 and F2 correlates of these vowels are compared to those of General American English (GAE), as described by Peterson and Barney (1952). The acoustic thresholds used in Speech Intelligibility research are used to assess the informant’s vowels that may interfere with intelligibility. The findings are used to suggest the appropriate course of action that the participant can follow to improve his pronunciation.
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Dr. Ettien Koffi
Abat, Martina and Koffi, Ettien
"Social Network Analysis and L2 English Acoustic Vowel Space: A Case Study,"
Linguistic Portfolios: Vol. 5, Article 4.
Available at: https://repository.stcloudstate.edu/stcloud_ling/vol5/iss1/4