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Pengaruh Model Problem Based Learning Berbantuan LKPD Terintegrasi STEM terhadap Kemampuan Berpikir Kritis pada Materi Larutan Elektrolit Safitri Harianti; Asrial Asrial; Wilda Syahri; Muhammad Haris Effendi Hasibuan; Kriswantoro Kriswantoro
JURNAL PENDIDIKAN MIPA Vol. 16 No. 3 (2026): JURNAL PENDIDIKAN MIPA
Publisher : Pusat Publikasi Ilmiah, STKIP Taman Siswa Bima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37630/jpm.v16i3.4374

Abstract

Penelitian ini dilatarbelakangi oleh rendahnya kemampuan berpikir kritis murid pada materi larutan elektrolit dan non-elektrolit yang disebabkan oleh proses pembelajaran yang masih berpusat pada guru serta karakteristik materi yang abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran PBL berbantuan LKPD terintegrasi STEM terhadap kemampuan berpikir kritis murid di SMA N 17 Muaro Jambi pada materi larutan elektrolit dan non-elektrolit. Jenis penelitian yang digunakan adalah eksperimen semu (quasi-experiment) dengan desain posttest-only control group design. Sampel penelitian terdiri dari 35 siswa kelas XI Fase 1 sebagai kelas eksperimen dan 34 siswa kelas XI Fase 2 sebagai kelas kontrol yang dipilih melalui teknik purposive sampling. Hasil penelitian menunjukkan bahwa rata-rata nilai posttest kelas eksperimen (85,00) lebih tinggi dibandingkan kelas kontrol (65,00) serta perolehan effect size sebesar 3,196 dalam kategori pengaruh tinggi. Kesimpulan penelitian ini adalah terdapat pengaruh yang signifikan dari penerapan model PBL berbantuan LKPD terintegrasi STEM terhadap keterampilan berpikir kritis murid. Model ini direkomendasikan sebagai solusi inovatif dalam pembelajaran kimia, dan disarankan bagi peneliti selanjutnya untuk memperluas instrumen penilaian pada materi kimia yang berbeda.
Development of an Interactive Web-Based Multimedia Platform (GlideApps) Integrating Cepak Kapung Ethnoscience to Enhance Conceptual Understanding Among Junior High School Students Mayang Dela Kesumah; Haerul Pathoni; Muhammad Haris Effendi Hasibuan
Bhinneka: Jurnal Bintang Pendidikan dan Bahasa Vol. 4 No. 2 (2026): Bhinneka
Publisher : Universitas Palan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59024/bhinneka.v4i2.1824

Abstract

This study was motivated by students’ low conceptual understanding of temperature, heat, and thermal expansion at SMP Negeri 28 Batanghari, where learning achievement remained below 50%. Instruction predominantly used PowerPoint-based media, resulting in passive learning and limited contextual engagement. This study aimed to develop web-based interactive multimedia (GlidesApps) integrated with Cepak Kapung ethnoscience that is valid, practical, and effective in improving seventh-grade students’ conceptual understanding. The study employed a Research and Development (R&D) approach using a development model consisting of five stages: analysis, design, development, implementation, and evaluation. The resulting product, named LokaSains, is a web-based learning application accessible via smartphone, laptop, or computer without installation. It presents learning content on temperature, heat, and thermal expansion integrated with the ethnoscience of Cepak Kapung, a traditional cake from Batanghari Regency. Content expert validation obtained a score of 91.07% (very valid), while media expert validation reached 87.50% (very feasible) after two revisions. Teacher practicality assessment produced 98.33% (very practical), and student responses in small-group and large-group trials reached 94% and 90.35%, respectively (very good). During implementation with 28 seventh-grade students, the mean pretest score increased from 46.07 to 76.79 in the posttest. A paired samples t-test produced t = −13.053 with Sig. (2-tailed) = 0.000 < 0.05, indicating a significant difference in conceptual understanding before and after using the multimedia. The N-Gain score of 0.57 indicated moderate effectiveness in improving learning outcomes. Accordingly, the LokaSains interactive multimedia is considered valid, highly practical, and effective for teaching temperature, heat, and thermal expansion at junior high school level.
Co-Authors -, Maison Abdul Ma&#039;arif Abrar, Mukhlas Afreni Hamidah Afrida Afrida Agustiningsih Agustiningsih Akhir, Muhammad Ali Sadikin Ali Sadikin Ali, Raden Muhammad Anggel Hardi Yanto Anisa Puspita Sari Asni Johari Asrial Asrial Aswan, Dara Mutiara Aulia Sanova Bambang Hariyadi Bambang Hariyadi Bambang Hariyadi Cahayu, Sri Anika Damris Muhammad Daniel Happy Putra Diah Riski Gusti Dian Indah Lestari Dwiki Prasetya Subakti Ebiati Ebiati Edi Yuversa Efriana Jon, Efriana Eltati Tri Aldianisa Ernawati, Dwi Wiwik Esa Witri Evita Anggereini Evita Anggereni Fajri, Rahmawati Fatria Dewi Febbry Romundza Feronica Purba Firdiawan Ekaputra Freddy Tua Musa Panggabean Fuldiaratman Haerul Pathoni, Haerul Hafidzah, Nurul Harizon Harizon Harizon Harizon Harizon Harizon Harizon Harizon Hartono, Rudi Haryanto Haryanto Helty, Helty Idkhom Kholid Ilham Falani Intan Lestari Isnaini Isramiharti Isramiharti istiqomah istiqomah Jamalum Purba Javed, Muhammad Ahmad Jefri Marzal Jodion Siburian Kamid, Kamid Kholid, Idkhom Krisbiantoro, Philip Anggo Kristiyono, Santo Kriswantoro Kriswantoro Lailatul Hairi Lativa Sari, Luluk Lestari, Neneng Luluk Lativa Sari M Rusdi M Rusdi M. Rusdi M. Yogi Riyantama Isjoni Manalu, Riris Desinta Marsaulina MARIA BINTANG Marini, Cintia Mayang Dela Kesumah Mayang Dela Kesumah Muhaimin Muhammad Akhir Muhammad Damris Muhammad Rusdi Muhammad Rusdi Muhammad Rusdi Mukhlash Abrar Mutiara Siska Naswir, Muhammd Nazurty Nazurty Neilul Isra Pratama Ngatijo Ngatijo Nizlel Huda Nofyta Arlianti, Nofyta Novti Lastri Nur Zaharah Nurtanti Yutia Nurul Hasanah Nurul Rahmiah Fitri Nurwijayanti Petri Priyatni Pinta Murni Prastika Istiqomah Priyatni, Petri Putri Roudhoh Rahadian Zainul Rahayu Rahayu Rahmah Widiastiningsih Ramadhan, Sarah Afillah Ranti Erfiana Ratu Evina Dibyantini Rayandra Asyhar Rhamadan, Fany Fachri Rifka Annisa Riska Fitriani Risma Junita Amriani Romundza, Febbry Sadikin , Ali Safitri Harianti Safitri, Rosanda Zuly Samsiaromah Samsiaromah Saprizal Hadisaputra Sri Purwaningsih Sri Purwaningsih Sriliah Suzanti Sugiarti Sugiarti Sulistiyo, Urip Susi Hindarti Sutiani, Ani Suwaji Suwaji Syafira Tiaradipa Syaiful Syaiful Syaiful Syaiful T., Friscillawulan Titin Masturoh Tri Haryati Tri Haryati Upik Yelianti Wahyu Herma Wati Wida Syahri Wilda Syahri Wilda Syahri Windy Kartika YANTO YANTO Yusnaidar Yusnaidar Yusnaidar Yusnaidar, Yusnaidar Yusnelti Yusnelti Yusnelti Yusnelti Zurweni Zurweni