Institutional Repository UIN Sunan Kalijaga YogyakartaPHONOLOGICAL INTERFERENCE OF BAHASA INDONESIA IN THE PRONUNCIATION OF ENGLISH PHONEME /v/, /θ/, /ð/, /-t/, and /-d/ IN RETNO MARSUDI SPEECHES REGARDING PALESTINENIM.: 21101050011Jihan NurhanifahauthorThis research aims to identify the realization of English consonant phoneme /v/, /θ/, /ð/, /-t/, and /-d/, analyzing the type of phonological interference that occur and to explore the factors influencing the interference in the Indonesian Foreign Minister's speeches regarding Palestine at UN council. The study employed a qualitative inquiry design. The researcher collected data on the five English consonants /v/, /θ/, /ð/, /-t/, and /-d/ through observation by listening and note-taking, which were then analyzed using several theories such as theory of language transfer by Odlin, theory of phonological interference by Weinreich, and completing the analysis using Wolfram & Johnson theory about phonological process of deletion. The findings revealed there are negative transfer which including into two types of phonological interference present in the Indonesian Foreign Minister's speech. The first type is under-differentiation of phoneme, as in the pronunciation of the /v/ phoneme as /f/, the phoneme /θ/ was replaced with /t/ or /d/, and the phoneme /ð/ was replaced with /d/ or /t/. The second type is actual phone substitution as in phoneme /-d/ that substitute into /-t/. Deletion also occurs as in the phoneme /-t/ and /-d/ in final position and phoneme /θ/ in medial and final position. In addition to the negative transfer of phonological interference, the Indonesian Foreign Minister also demonstrated positive transfer in certain pronunciations, such as in the /v/, /-t/, and /-d/ phoneme in certain words and environment. This indicates that phonological interference does not occur consistently. The structural factors influencing this phonological interference include the absence of equivalent distinctions in the speaker's native language, differences in the phonemic systems of Bahasa Indonesia and English, and differences in phoneme pronunciation.421 Writing System/Sistem Tulisan dalam Bahasa Inggris, Penulisan dalam Bahasa Inggris2025-02-28UIN SUNAN KALIJAGA YOGYAKARTA;FAKULTAS ADAB DAN ILMU BUDAYAThesis

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