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Transforming English Correspondence Learning Through Flipped Classroom-Based Materials Kartikowati, Rr Sri; Nurmalasari, Dewi; Utari, Eka Dewi; Nida, Ria Rahma; Atmadja, Ferry Setyadi; Suhendry, Bayu; Riyantie, Mayang
Indonesian Journal of Education and Social Studies Vol 5, No 1 (2026)
Publisher : Nurul Jadid University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33650/ijess.v5i1.13101

Abstract

This study aimed to develop flipped classroom-based teaching materials for the English Correspondence course to improve students’ comprehension of professional written communication. The research was motivated by the limitations of conventional lecture-centered instruction, which often restricts student engagement and provides insufficient opportunities for independent and practice-oriented learning. A research and Development (R&D) approach employing the 4D model (Define, Design, Develop, Disseminate) was applied to systematically design, validate, and evaluate the instructional product. Data were collected through needs analysis, expert validation, student response questionnaires, and effectiveness testing using a pretest–posttest design. Expert validation results indicated a validity level of 86%, categorized as very valid, while practicality testing showed an 84% score, demonstrating that the materials were accessible and supportive of independent learning. Effectiveness testing revealed a significant improvement in students’ performance, with mean scores increasing from 58.51 (pretest) to 80.54 (posttest) and an N-gain value of 0.54, indicating moderate learning improvement. These findings suggest that flipped classroom-based teaching materials effectively enhance students’ conceptual understanding and practical competence in English business correspondence. The study implies that integrating validated digital instructional materials with student-centered learning models can strengthen technology-supported pedagogy and provide a scalable framework for improving professional communication learning in higher education.
Co-Authors Achmad Hidir Ahmad Reski Mulia Ainayya, Alika Aljarrah, Ayman Almasdi Syahza Andini, Fatma Ari Arfiyanti Agustina Arini Zannah BR. Sinaga Asri Seni Vinal Aulia, Mimim Auzar Auzar Azhar Azhar Azhar Azhar Azhar Azhar Azhar Azhar AZMI AZMI Bayu Suhendry Burnalis Burnalis Clara Natasya Ketaren Daviq Chairilsyah Desnawati Desnawati Desnita Desnita Desnita Despra Melly Despra Melly Dewi Nurmalasari, Dewi Dwi Handarini, Dwi Efrida Yanti Nasution Eria Melati Putri Chaniago Erika Dosista Ervina Maulida Fadly Azhar Faizal Faizal Ferry Setyadi Atmadja Fidhyallah, Nadya Fadilah Fidyallah, Nadya Fadillah Filma Alia Sari Fima Alia Sari Firman Edi Fitri, Rugaiyah Frida Jasni Wibawanti Gani Haryana Gimin Gimin Gimin Gimin Gimin Hadi Suryanto Hardisem Syabrus Hardisem Syabrus Hardisem Syabrus Hardisem Syahbrus Harliza Harliza Harliza Hasnah Faizah AR Hendripides Hendripides Hendripides Hendripides Hendripides Hesti Nursuci Rahmadani Hidayat, Nurdin Ikhwandaru, Ezra Ina Merdekawati Inda Yasmita Irfandi Hernaldi Irfandi Hernaldi Lestari, Diah Indah Lianda Syafira Lilik Hardianti LINATUL MULAIKAH Luh Ayu Laksmi Dewi Lusi Susanti M. Dede Rosza Eriawan Mahdum Makhdalena Makhdalena Makhdalena Makhdalena Makhdalena, Makhdalena Maryatul Asyro Marzuki Marzuki Mayang Riyantie, Mayang Mifta Rizka Muhammad Abda Kadavi Muhammad Nasir Mulia, Ahmad Reski Mulita, Yanti Murni Baheram Nadhila, Nadhila Nasution, Hafifah Nelvita Nelvita Nida, Ria Rahma Nurpit Junus Nurpit Junus Nurul Annisa Deshanty Nurul Annisa Deshanty Pradana, Bintang Aditya Putri, Falya Utami R M Riadi RM. Riadi R. Sapto Hendri Boedi Soesatyo Rahmadina, Nadiya Rahmadita, Yuriza Reni Reni riswani, riswani riswani RM. Riadi, RM. Riadi Rysa Maulina Sakdanur Sakdanur Sakdanur, Sakdanur Sally Fatma Sarah Warring Sari, Diah Kumala Serli Wahyuni Shinta Stephani Silvi, Sinta Ramadhan Sinta Ramadhan Silvi Siska Mulyana Sri Pudjiastuti Sri Wahyuni Suarman Suarman Suarman Suci Aulia Fitri Suci Hendristiana SUDIRMAN AS SUDIRMAN AS Suhendri Suhendri Sulasmi Sulasmi Sumarno Sumarno Sumarno Sumarno Suraini Suraini Susanti Dewi Astuti Syakdanur Nas, Syakdanur Syamsul Anwar Utari, Eka Dewi Wawan Gunawan Widdy Rorimpandey Wirologo, Haryo Kuncoro Yeyen Suhana Zaidatul Akmal Zetra Hainul Putra Zihamussholihin Zihamussholihin