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Journal : Chemistry Education Practice

Pengembangan E-LKPD Berbasis Model Problem Based Learning Terintegrasi Etnokimia pada Materi Asam Basa Ika, Risqa Putri; Erna, Maria; Hayati, Sri
Chemistry Education Practice Vol. 8 No. 1 (2025): Edisi Mei
Publisher : FKIP University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/cep.v8i1.9091

Abstract

This study aims to develop E-LKPD based on the Problem Based Learning (PBL) model integrated with ethnochemistry that is valid based on aspects of content feasibility, characteristics of ethnochemistry integrated problem based learning, linguistic aspects, presentation and graphics, and to determine user responses to E-LKPD when used in the learning process. The research method used is Research and Development (R&D) with the 4D development model (Define, Design, Develop, and Disseminate). The trial subjects involved teachers and students of class XI of SMAN 2 Rimba Melintang and SMAN 15 Pekanbaru. Data were obtained through expert validation and user response questionnaires. The results of the study showed that the developed E-LKPD was declared valid and feasible to be used as one of the teaching materials, and the responses of teachers and students to E-LKPD in limited trials showed that E-LKPD was included in the very good category when used in the learning process.
Penerapan Model Pembelajaran Problem Based Learning (PBL) untuk Meningkatkan Kemampuan Pemecahan Masalah Peserta Didik Pada Materi Asam Basa Pratiwi, Dini Eka; Erna, Maria; Anwar, Lenny
Chemistry Education Practice Vol. 8 No. 2 (2025): Edisi November
Publisher : FKIP University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/cep.v8i2.9392

Abstract

This study aims to determine the improvement of students’ problem-solving abilities in acid-base material through the application of the Problem Based Learning (PBL) learning model in class XI of SMAN 7 Pekanbaru. This study uses a quantitative method with a one-group pretest-posttest pre-experimental design. The population in this study were All students of class XI of SMAN 7 Pekanbaru. The research sample was 36 students selected through a simple random sampling technique. The instrument used was a problem-solving ability test validated by 3 validators. Data analysis through normality tests, paired sample t-tests and N-Gain tests. The results showed that there was a significant increase in students’ problem-solving abilities after the application of the PBL model, indicated by the calculated t value > t table (25.983 > 2.03011) and an average N-Gain value of 0.71 with a high category. These results indicate that the PBL model is effective in improving students’ abilities in understanding, planning, and implementing problem solving in acid-base material.
Pengembangan Media Pembelajaran Interaktif Berbasis Website Pada Materi Struktur Atom Dan Sistem Periodik Unsur Kelas X SMA/MA Sederajat Riska, Riska; Erna, Maria; Linda, Roza
Chemistry Education Practice Vol. 8 No. 2 (2025): Edisi November
Publisher : FKIP University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/cep.v8i2.9455

Abstract

This study aims to develop and evaluate the feasibility of website-based interactive learning media on the topic of atomic structure and the periodic table of elements for grade X students of senior high school (SMA/MA) or equivalent. The development was carried out using the ADDIE model which includes five stages: analysis, design, development, implementation, and evaluation. Data collection included validation of media and materials by experts, teacher and student response questionnaires, and limited trials. The validation results showed that the learning media met the “valid” criteria in all aspects assessed, including content feasibility (92.5%), language (93.75%), presentation (93.75%), graphics (97.91%), and concept structure (95.31%), with an overall average of 94.64% for material experts. Media experts assessed the visual design and software utilization aspects at 92.5% and 100%, respectively, with an average of 96.25%. In this study, the research sample was 10 grade X students of SMAN 7 Pekanbaru and 10 grade X students of SMAN 9 Pekanbaru as well as 2 chemistry teachers in each school. In the implementation stage, a user response trial will be conducted by the research sample. The user response trial by teachers and students also showed very good results, with an overall average score of 91.80% and 91.76%, which is categorized as "very good". These findings indicate that the developed website-based interactive learning media is effective, practical, and appropriate to support independent and meaningful learning, especially in mastering abstract chemical concepts such as atomic structure and the periodic table.
Co-Authors ', Abdullah ', Erviyenni ', Lenni ', Nur Aini ', Rasmiwetti ', Rini ', Ristiana Abdullah Abdullah Adelia, Dini Admin Alif Aisah, Attika Nur Aisyah Aisyah Andi Dahliaty Anty Ummiyati Aprillia Dyah Suhestry Ardi, Dinda Melissa AS, suharyono Asha Aunaya La Assqiya Assqiya, Asha Aunaya La Azwendra, Yosi Baehaqi Bagus Wahyu Kuncoro Betty Holiwarni Cahyani, Atika Dwi Dedi Futra Dewi Agustina Iryani, Dewi Agustina DEWI SARTIKA DEWI SARTIKA Dewi, Pitri Rahma Dyah Koesoemawardani Dyah Koesoemawardani Dyah Putri Larassati Elva Yasmi Elva Yasmi Amran, Elva Yasmi Emriadi - Erdi Suroso Erviyenni Erviyenni Erviyenni, Erviyenni Ety Testiaty Fauzi, Fajrina Firanti, Feyges Frilla Fitriah, Nafiatul Fitriani, Wahyu Fitriatul Hasanah, Fitriatul Hadi Prayitno Hadi Prayitno, Hadi Hardiani, Vira Hasanah, Asqiatul Hasnah Hasnah Helmy Hidayat, Helmy Herdiana, Novita Herdini , Herdini Hestivik, Chelsi Ida Ayu Putu Sri Widnyani Ika, Risqa Putri Indraningtyas, Lathifa Irnov, Masithah Jimmi Copriady Johni Azmi Kuncoro, Bagus Wahyu Lenny Anwar Lisa Lestari Maharani, Ketut Oka marcella, Selly Marlisa, Lani Melatiningsih, Atri Mohd Jain Noordin Murhadi Murhadi Mursidin . Nadira, Syarifa Nazhifah, Siti Ningtias, Arpi Ayu Noer, Asmadi M. Novizal, Roni Nurbaiti Nuzuriah, Nuzuriah Oskar M. Manik Otik Nawansih Paramastuti, Lujeng Pratiwi, Dini Eka Putri Adita Wulandari Putri, Bella Listriani R. Usman Rery Rahmah, Amelia Kurnia Rahmatya, Okma Ramadani, Ramadani Rasmiwetti Rasmiwetti, Rasmiwetti RIBUT SUGIHARTO Rini Astuti RINI RINI Riska Riska Roza Linda Sahara, Nur Aini Samsu Udayana Nurdin Samsul Rizal Saputri, Agustina Eka Sri Erlinda Sri Haryati Sri Hayati, Sri Sri Hidayati Sri Hidayati Sri Setyani, Sri Sri Waluyo suharyono AS Suharyono Suharyono Suhestry, Aprillia Dyah Sukrisno, Sukrisno Susilawati Susilawati, Susilawati Sussi Astuti Syahrina Irya, Syahrina Syamsiana, Annisa Syarifah Syarifah, Syarifah Syukri Arief Tanto Pratondo Utomo Teguh Endaryanto Thaliarinanta, Angela Saraz Ummiyati, Anty Wildan Nur, Aditya Winanti, Diki Danar Tri Wisnu Satyajaya Yeni Yulia Sari, Yeni Yulia Yum Eryanti Yunelda, Ressi Yusup, Maulid Wahid