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All Journal Prosiding Seminar Nasional Universitas Ma Chung Journal of English Language Teaching and English Linguistics
Arjuna Satria Dewa Bagaskara
Universitas Brawijaya
Computer Science & IT Education Engineering Languange, Linguistic, Communication & Media Public Health Other

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Interdental Fricative Substitution in Spontaneous Indonesian-Accented English: Acoustic Evidence from Podcast Speech Arjuna Satria Dewa Bagaskara; Bintang Dja'far Maulana; Abdus Salim
Journal of English Language Teaching and English Linguistics Vol. 11 No. 2 (2026): Journal of English Language Teaching and English Linguistics
Publisher : Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/eltics.v11i2.10200

Abstract

Indonesian speakers of English consistently face difficulty producing the interdental fricatives /θ/ and /ð/, two sounds absent from the Indonesian consonant inventory, yet existing research has relied almost exclusively on controlled elicitation tasks that may not reflect how these sounds are realized in natural communicative settings. This study examined the phonetic realization of /θ/ and /ð/ in the spontaneous English speech of an Indonesian public figure, with the primary objective of determining whether acoustic evidence from unscripted digital media speech is consistent with the L1 phonological interference patterns previously reported in task-based studies. A descriptive qualitative design was adopted, with data drawn from a single podcast episode in which the subject produced English speech without scripting and without awareness of phonetic observation. All English utterances containing /θ/ or /ð/ were identified, timestamped, and submitted to acoustic analysis using Praat spectrographic software, with reference pronunciations from the Cambridge English Pronouncing Dictionary serving as the baseline. Twenty-four tokens were analyzed. Every instance of /θ/ was realized as the voiceless alveolar stop [t] and every instance of /ð/ as the voiced alveolar stop [d], yielding a one-hundred-percent substitution rate with no token approximating the interdental target. Spectrographic comparison confirmed the complete absence of fricative energy across all tokens. These findings demonstrate that L1 phonological interference at the interdental fricative site remains categorical and acoustically robust in spontaneous speech, independent of the speaker’s level of public communicative experience, extending prior evidence beyond the controlled task paradigm into naturalistic digital media discourse.
The Kompetensi Pragmatik Chatbot AI Bahasa Indonesia: Analisis Tincak Tutur, Kesantunan, dan Implikatur Percakapan pada ChatGPT, Gemini, dan Grok Arjuna Satria Dewa Bagaskara; Asyura Al Manna; Tengku Aufa Naufal Syamil
Prosiding Seminar Nasional Universitas Ma Chung (Informatika & Sistem Informasi Bahasa dan Seni
Publisher : Ma Chung Press

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Abstract

Adopsi chatbot berbasis kecerdasan buatan (Artificial Intelligence/AI)di Indonesia telah menciptakan ekosistem komunikasi manusia-mesin yang menuntut kompetensi pragmatik tinggi, namun kajian mengenai kapasitas sistem AI generatif dalam lanskap sosiolinguistik lokal masih sangat terbatas. Penelitian ini bertujuan mengevaluasi kompetensi pragmatik komparatif dari ChatGPT, Gemini, dan Grok melalui analisis tindak tutur, strategi kesantunan, dan implikatur percakapan berbahasa Indonesia. Menggunakan metode Pragmatik Eksperimental, studi kualitatif ini menganalisis 69 unit respons yang diperoleh dari 23 prompt terstruktur. Stimulus tersebut mencakup kluster tindak tutur (asertif, direktif, komisif, ekspresif), pengelolaan ancaman muka (face-threatening acts), serta inferensi implikatur ironis. Data dianalisis secara terintegrasi menggunakan sintesis teori tindak tutur, kesantunan, dan maksim kooperatif, dengan uji reliabilitas antarpenilai berbasis koefisien Cohen's kappa. Hasil penelitian menunjukkan bahwa meskipun ketiga platform menampilkan kompetensi fungsional pada tingkat permukaan, ketiganya memiliki orientasi komunikatif yang kontras: ChatGPT unggul dalam efisiensi berbasis tugas (task-oriented), Gemini unggul dalam pengenalan implikatur namun mengalami deviasi sistematis berupa over-informativeness (exploratory-oriented), sedangkan Grok paling responsif terhadap penanda sosio-pragmatik lokal melalui akomodasi register informal (interpersonal-oriented). Temuan ini membuktikan bahwa kompetensi pragmatik AI bersifat multidimensional dan menyingkap adanya celah representasi budaya pada sistem global. Implikasi praktis dari studi ini mendesak integrasi eksplisit penanda sosio-pragmatik khas bahasa Indonesia dalam tahap fine-tuning model untuk menciptakan teknologi asisten virtual yang berterima secara kultural.
Co-Authors Abdus Salim Asyura Al Manna Bintang Dja'far Maulana Tengku Aufa Naufal Syamil