Rizkariani Sulaiman
Indonesian Muslim University of Makassar

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Differentiated Instruction Based on Lesson Study to Improve Critical Thinking and Collaborative Skills in EFL Class Rizkariani Sulaiman; Umar Mansyur; Hilal Surahmatullah; Elena Tikhonova
Jurnal Onoma: Pendidikan, Bahasa, dan Sastra Vol. 12 No. 1 (2026): Penulis pada Edisi ini Terdiri dari Enam (6) Negara: Indonesia, Malaysia, Chin
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/onoma.v12i1.7699

Abstract

This classroom action research aimed to investigate how differentiated Instruction using Lesson Study enhances students’ critical thinking and teamwork skills in learning English. The study took place in class 8.2 at UPT SPF SMP Negeri 23 Makassar, Indonesia, during the 2025/2026 school year, involving 37 eighth-grade students. Two cycles of Lesson Study-based action research (Plan-Do-See and Re-Plan-Do-See) were carried out, focusing on teaching the simple past tense, recount texts, and modals expressing ability or inability. Instruction was tailored based on students’ readiness, interests, and learning styles (visual, auditory, kinesthetics). Data collection included rubrics for critical thinking and collaboration, classroom observations, and field notes. Quantitative results showed consistent growth in students’ critical thinking. The average score increased from 2.3 (Sufficient) before the intervention to 2.8 (Good) after Cycle I and to 3.3 (Very Good) after Cycle II (scale 1–4). The percentage of students meeting the mastery criterion (score ≥ 3.0) rose from 13.5% to 54.1% and then to 81.1%. Collaboration skills also improved, with the average score rising from 2.5 (Sufficient) to 3.0 (Good) and 3.4 (Very Good), with a shift from most students in the Sufficient category to most in the Good–Very Good categories. Qualitative data revealed changes from one-student-dominant group work and brief, unsupported answers to more shared participation, clearer roles, reasoned arguments, and reflective group discussions. These findings suggest that differentiated instruction within a Lesson Study cycle effectively promotes critical thinking and collaboration in junior high school EFL classes and aligns with the goals of the Kurikulum Merdeka and 21st-century skills.
IRF AI Integration in a Public Speaking Class: Classroom Discourse and AI Feedback Using a Hugging Face Space Rusdiah Rusdiah; Rizkariani Sulaiman; Husnul Mujaddidah
Jurnal Onoma: Pendidikan, Bahasa, dan Sastra Vol. 12 No. 1 (2026): Penulis pada Edisi ini Terdiri dari Enam (6) Negara: Indonesia, Malaysia, Chin
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/onoma.v12i1.7719

Abstract

This study investigates how the Initiation Response Feedback (IRF) pattern, integrated with an AI-based feedback tool, supports public speaking instruction in an English as a Foreign Language (EFL) context. It examines (1) how IRF patterns emerge in classroom interaction, (2) how IRF contributes to feedback effectiveness and students’ public speaking performance, and (3) how an AI tool, AI Feedback Presentation, a Gradio application deployed on Hugging Face Spaces is positioned within the feedback ecosystem and students’ academic literacy. The research adopts a qualitative classroom discourse analysis design. Participants were 19 third semester students enrolled in a Public Speaking course in an English Literature program at a private university in Makassar, Indonesia. Data were collected through participant observation, audio video recordings, verbatim transcripts of four key meetings, and pilot logs from the AI Feedback Presentation application. The four meetings focused on polite (dis)agreement, formal presentation structure and peer feedback, discussions on empathy, plastic use, AI and academic honesty, and modeling of expert speeches. Data were analyzed by segmenting IRF sequences, coding feedback types, and developing themes related to public speaking skills and AI use. Findings show that IRF is consistently employed to scaffold students’ spoken production from short responses to structured, polite opinions and formal presentations. The combination of IRF with recasts, metalinguistic explanations, elaborative feedback, and affective support enhances students’ awareness of politeness, speech organization, and delivery (eye contact, intonation, body language). The AI Feedback Presentation tool provides automatic transcription and simple performance metrics, which function as triggers for reflection rather than grading mechanisms. Students perceive AI as a useful assistant for grammar and idea generation, while also recognizing risks to academic honesty. The study proposes an IRF AI framework in which human and AI feedback are complementary in public speaking instruction.