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Journal : Jurnal Math-UMB.EDU

DEVELOPMENT OF PROBLEM-BASED LEARNING INSTRUCTIONAL VIDEOS ON UNIFORM AND UNIFORMLY ACCELERATED LINEAR MOTION FOR JUNIOR HIGH SCHOOL STUDENTS: Pontianak, Indonesia Nur Oktivianti Dewi; Eny Enawaty; Ari Widiyantoro; Dede Suratman; Haratua Tiur Maria S
Jurnal Math-UMB.EDU Vol. 13 No. 2 (2026): MARCH
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/math-umb.edu.v13i2.9854

Abstract

Physics learning at the junior secondary school level on the topics of Uniform Linear Motion and Uniformly Accelerated Linear Motion often shows low conceptual understanding due to limited use of contextual and visual instructional media. This study aims to develop and examine the effectiveness of Problem-Based Learning (PBL) instructional videos in improving students’ conceptual understanding. The research employed a Research and Development approach using the ADDIE model and adopted a pre-experimental design with a one-group pretest–posttest involving 36 students as trial subjects. The instruments included expert validation sheets, conceptual understanding tests, and student response questionnaires. Data were analyzed using descriptive statistics, normality tests, paired-sample t-tests, and N-Gain analysis. The results showed that the instructional video product was categorized as highly feasible based on expert validation and student responses (89.7%). The students’ mean scores increased from 57.97 to 69.44, with a reduction in variance and standard deviation, indicating a more even distribution of conceptual understanding. The normality test confirmed that the data were normally distributed, and the paired-sample t-test revealed a significant difference between pretest and posttest scores (p < 0.001). The N-Gain value of 0.27 was in the low–moderate category, indicating initial effectiveness. Therefore, the developed PBL instructional videos indicate initial effectiveness in enhancing students’ conceptual understanding and can be considered a feasible instructional innovation for junior secondary school physics learning. Keyword: learning video, Problem-Based Learning, conceptual understanding, junior high school physics, instructional innovation
Co-Authors Ade Mariadi Agus Malik Ibrahim Ahmad Yani Nelly Wahyuni Lia Destiarti Ajuk Sapar Andi Hairil Alimuddin Anis Shofiyani Anis Shofiyani Annisa Dyah Astari Putri Annisa Firdaus, Navisa Arif Sulaiman Aritonang, Anthoni B. Banu Prasetya Boima Ramses Situmeang Danang Mustofa Dede Suratman Diana Natalia Diana Natalia Dila, Gata Diva Feraldy Elvi Rusmiyanto Pancaning Wardoyo, Suci Lestari, Mukarlina, Endah Sayekti Eny Enawaty Gusrizal Gusrizal Haratua Tiur Maria Silitonga Haris, Muhammad Faisal Harlia Harlia Harlia Harlia Harlia Harlia Harlia Harlia Harlia Harlia Herlinda Djohan Ihsan, Bagus Muhammad Ikhwan, Darul Imelda Hotmarisi Silalahi Indrawati, Ratih Indri Kusharyanti Jayuska, Afghani Julinton Sianturi Kahtan, Muhammad Ibnu Kamarullah Kristina Damiyanti Kustiati Kustiati M. Irfani Hendri Mahanani, Annisah Mardhia, Mardhia Maryati Maryati Maulidiyah Salim Millenia, Millenia Mistika Zakiah Mohamad Adam Mustapa Muhammad Akib Yuswar Muhammad Akib Yuswar Muhammad Faisal Haris Muhammad Ibnu Kahtan Muhammad Ibnu Kahtan Nafsiatun Nelly Wahyuni Nur Oktivianti Dewi Nurhayati Bialangi Nurlina, Nurlina Nurul Asikin Puji Ardiningsih Putri, Annisa Dyah Astari Putri, Rinka Carolina Rachmadi, Octavian Rahayu, Warsi Kurnia Ratna Wardani Ratnawaty, Gervacia Jenny Ratu Safitri Risa Nofiani Rr. Erni Kusuma Putri Rudiyansyah Rudiyansyah Rudiyansyah Rudiyansyah Sadenta, Deby Pascalia Sari Damayanti Sari, Emilda Septian Triadi Syahputra Sharon Angelia Shofiyani, Anis Siti Khotimah Sulistyo, Luthfi Imam suryani, puput eka Susanto, Dhessy Thamrin Usman Thamrin Usman Titin Anita Titin Anita Zahara, Titin Anita Unang Supratman Uray Ristian Wahyuningsih, Aprilia Tri Warsidah, Warsidah Weny Musa Wibowo, M. Agus Wibowo, Muhamad Agus Winda Rahmalia Yuswar, Muhammad Akib Yuszda K Salimi Zaharah, Titin Anita