Athitaya Lahdae. Phonological features affecting intelligibility of Thai learners as evaluated by native and non-native listeners. Master's Degree(English for Careers). Thammasat University. Thammasat University Library. : Thammasat University, 2015.
Phonological features affecting intelligibility of Thai learners as evaluated by native and non-native listeners
Abstract:
This paper aims to examine the phonemes difficult for Thai EFL/ESL learners to pronounce accurately. It determines segmental errors that inhibit intelligibility of high proficiency learners. The study focuses on intelligibility at phonemic level as it is the foundation of intelligible pronunciation. This study is an experimental study to evaluate segmental errors, phoneme accuracy, and word intelligibility. The Modified Rhyme Test, 50 groups of monosyllabic words with similar rhymes, has been used for assessment. 30 speakers at high proficiency level pronounced 50 words recorded into audio files which were listened to and answered by two evaluators: native and non-native listeners. The mismatches of spoken words and selected answers have been analyzed in the form of descriptive statistics. It is found that English phonemes that create trouble to Thai speakers include /v, θ, ð, and r/ at the initial syllable position and /g, ð, b, d, θ, v, s, f, and z/ at the final syllable position. Also, all of these phonemes are frequently substituted by other similar Thai phonemes. Moreover, the results reveal that the final position of words makes more trouble than at the initial position, and sounds which do not occur in the Thai phonology tend to hinder intelligibility more than sounds that occur in the Thai sound system. In addition, this study also integrates the results from preceding studies to demonstrate the problematic phonological features for Thai learners in various proficiencies
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