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A Chatbot-Based Expert System for Supporting Conceptual Understanding in DC Circuit Analysis: Development and Evaluation in Electrical Engineering Education Benny Haposan Sianipar; Alifah Bigum Nabila; Usmeldi Usmeldi; Rahmiati Rahmiati
AL-ISHLAH: Jurnal Pendidikan Vol 18, No 3 (2026): In Progress September 2026
Publisher : STAI Hubbulwathan Duri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35445/alishlah.v18i3.9817

Abstract

This study addresses the limited development of chatbot-based expert systems that integrate rule-based reasoning and conceptual guidance for direct current (DC) circuit analysis learning in electrical engineering education. The study aimed to develop and evaluate a chatbot-based expert system designed to support students’ conceptual understanding of DC circuit analysis. A Research and Development (RD) approach employing the 4D model (Define, Design, Develop, Disseminate) was applied in this study. The effectiveness evaluation used a one-group pretest–posttest design involving 25 undergraduate students from an Electrical Engineering Education program. The developed system was validated by one electrical engineering expert and two educational media experts before implementation. The validation results showed high validity across all evaluated aspects, with Aiken’s V values categorized as very valid. The practicality test indicated that the system was highly practical, achieving a mean score of 4.32 out of 5.00 (86.3%). The effectiveness test showed improvement in students’ learning outcomes, reflected by a normalized gain (N-gain) score of 0.32 in the moderate category. In addition, the paired sample t-test demonstrated a statistically significant difference between pretest and posttest scores (p 0.001). Although the study was conducted with a limited sample and without a control group, the findings indicate that the chatbot-based expert system showed potential to support students’ conceptual understanding and procedural learning in DC circuit analysis. This study contributes to the development of AI-assisted learning media in vocational and engineering education, particularly in supporting interactive and concept-oriented learning environments.
Co-Authors ., Alexsandra A Fauzi A.A. Ketut Agung Cahyawan W Abrar, M Abrar, M. Ade Ariska Putri Ade Mayasari Ade Mayasari Afriani Putri, Fina Afriza Media Agus Suyatna Ahzari, Serli Ajeng Suci Misndari Akbar, Yaumil Aldilla, Endang Ali Djamhuri Alifah Biggum Nabila Alifah Bigum Nabila Ambiyar, Ambiyar Ananda, Prima Nora Andriyani, Dwi Rika Anggraini Anggraini Anggraini, Dwi Rita Anggraini, Miranti Dwi Anisa Fitri Apriyus, Devri Ramdhan Ari Aseh Arinda Frismelly Arisma Arisma Ariza Guswan, Farhan Arwizet Arwizet, Arwizet Asiah, Sintya Asmar Yulastri Asrizal Asrizal Asrizal Asrizal Asrizal Aulia Rahman Azis, Hasbi Azmi Nandra Baehaqi Benny Haposan Sianipar Betty Mizarwan Boby Syefrinando Bulkia Rahim Candra, Oriza Chatarina Umbul Wahyuni Citra Dewi Dalfi Dalfi Dasril Chaniago Daulay, Hermalina Dedy Irfan Deris Oktageri Desnita Deswita, Pipi Desyandri Desyandri Deva Nur Avivah Dewi, Utari Prisma Dhanil, Muhammad Dhea fatma dilla Dhea Febriya Dina Amsari Dini Maielfi Dirman, Hendra Musfa Donni, Saputra Dony Novaliendry Efrida Welni Elfizon Elfizon Endang Aldilla Fadhilah Fadhilah Fadila, Aisha Fadilla, Intan fadillah, Muhammad Aizri Fahmi Rizal Fajri Fajri Faradila, Intan Farhan Ariza Guswan Farras, Naufal Bari Fauzi Ahmad Muda Femypadillah Ismanto Festiyed Festiyed Filda Mawaddah Fina Afriani Putri Fitra Netti Fival Pratama Frima Triani Ganefri . Gifron, M. Goval Mahendra Gusnetti Gusnetti H. Hidayat Hambali Hambali Handika, Refiona Handri, Silvi Hansi Effendi Harahap, Armina Sari Harisa Rahmadani Hasbi Azis Hengraini Eka Putri Herisvan Hendra Herisvan Hendra Hidayatullah, Silmi Hilmi Rizki Anjani Hirahmah, Atifah Iing Rika Yanti Ilfani Hamzah Indah Mulia Hati Insih Wilujeng Intan Purnama Yani Irma Yulia Basri Isha Rani Al Fitrah Iskandar Zulkarnain Ismail, Irfan Ananda Ismanto, Femypadillah Jannati, Rindu Putri Jayawarsa, A.A. Ketut Jusmita Weriza Khairati, Ikmanisa Korry Nilyani Korry Nilyani Krismadinata Krismadinata, Krismadinata Laili, Ismi Lufri Lufri M Giatman Maharani, Bahagia Mardita, Enchi Marjuni, H. Marta, Satria Ami Mawardi Mayefis, Reska Meisy Sucia Dinata mesa huriatun nazmi Miftahurrahmi Miftahurrahmi Mubai, Akrimullah Muhammad Akbar Muhammad Anwar Muhammad Bayu Muhammad Dhanil Mursyida, Alfiana Muslim Muslim Mutia Risma N, Annisa Nabila, Ammilia Dara Nabila, Putri Nadia Utari Nasution, Fadhillah Riski Aisyah Noer Fajri Norin Pazlina Novidianti, Novidianti Nurhaliza, Putri Nurhamdin Putra Nurhastuti Nurhastuti Nurul Fajriati Fauzi Nurul Fauziah NURUL HIDAYAH Nurul Zakiatin Nafsih Pamela, Ananda Bintang Pelita Hikmah, Fatmi Prasafitri, Maresa Prima Nora Ananda Prima Nora Ananda Purnama, Andreadi Puspita, Sindy Putra, Febi Siska Putri, Prima Isma R. Amini R. Wulan Rahmad Fahamsyah Rahmiati Rahmiati Rama Miftahul Fauzi Ramadhan, Raihan Ramli Ramli Ramli, R Ratnawulan . Ravi Novriansyah Refdinal, Refdinal Refdinal, Refdinal Reno Fitlova Chaspi Resmi Darni Retno Dwi Suryanti Rif'il Husniyah Rima Melani Putri* Rini Amelia, Rini Rino Suwirno Risda Amini Risma, Mutia Riza Azriyanti Rizky Saputra Ruri Intannia Salamah, Ummi Saputri, Anatasa Alda Sari, Bella Fitria Sari, Kholifa Atika Shafir, Rionanda Maulana Muhammad Silvi Trisna Sinta Yolanda Siregar, Nanda Sari Sukardi Sukardi Sukardi, Sukardi Suparno Suparno Suriza Putri Ta’ali, Ta’ali Tananda, Opi Tommi Setrial Danif Trisna, S. Ulfa, Jufiani Vebriani, Nisa Vina Athiyah Rahmasari Wagino Wakhinuddin Wandika Wandika Westi Widia Wati* Yanto, Doni Tri Putra Yarisda Ningsih Yetty Morelent Yogi Dio Pratama Yohandri Yolanda, Sinta Yudha Aditya Fiandra Yul Ifda Tanjung, Yul Ifda Yulia Fitri Ananda Yulianda Yulisman, Bilhakil Putra Yulkifli Yulkifli Yullys Helsa Yunita Syafitri Yusrizal, Firman Zaki, Khilda Rahmi Ziola Natasya Zul Vandri