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Journal : SEJ (Science Education Journal)

The Potential Bryophyta Diversity On Riverside Susup As Science Teaching Materials For SMP Ronggo Waskito, Jefri; Karyadi, Bhakti; Sutarno; Parlindungan, Deni; Ekaputri, Rendi Zulni; Sakti, Indra; Uliyandari, Mellyta
SEJ (Science Education Journal) Vol 7 No 2 (2023): November
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/sej.v7i2.1642

Abstract

The purpose of this study was to determine the diversity of bryophyta on the riverside Susup as learning material in the form of Learning Unit Books (BUP). The research method used is Research and Development which is limited to needs analysis and BUP design. Moss plant diversity samples were obtained using a purposive sampling technique. Found 10 families, 13 types of species and 80 total bryophyta colonies on the banks of the river. The diversity index (H') ranges from 1.474 - 1.911 which includes the medium category, the evenness index (E) ranges from 0.822 - 0.940 which includes the high category and the dominance index (C) ranges from 0.1550 - 0.3056 which includes the low category. These findings are then used as teaching materials for designing BUP for SMP.
Development of Android-Based Learning Media on Smoked Fish Integrated Additive Material in Bengkulu City: Pengembangan Media Pembelajaran Berbasis Android Pada Materi Zat Aditif Terintegrasi Ikan Asap Di Kota Bengkulu Pancarani, Dwi Ayu; Uliyandari, Mellyta; Parlindungan, Deni; Nirwana, Nirwana; Risdianto, Eko
SEJ (Science Education Journal) Vol. 8 No. 2 (2024): November
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/sej.v8i2.1671

Abstract

This research was conducted because of the difficulties experienced by students in learning, especially in the use of learning resources which still use printed books and worksheets in less interesting classroom learning. The gap that occurs between expectations and reality is that students expect learning to be more interactive, interesting and practical. This research aims to produce Android-based learning media products using integrated additives as smoked fish in the city of Bengkulu. The method applied is research and development (RND). This research uses a 4D development model (Define, Design, Development, and Disseminate). Development carried out is limited to the Development stage. The subjects of this research were 31 students in class VIII 2 of SMPN 3 Bengkulu City. Research instruments include observation, teacher interview sheets, student readability test sheets and expert validation sheets. The results of the research show that Android-based learning media on integrated smoked fish additive material is very suitable for use based on validation results from two validators, namely two material experts, two media experts, and practitioners. The learning media validation score by material experts was 88 in the "very feasible" category, the validation result by media experts was 87 in the "very feasible" category. And the practitioner validation results were 91 which were in the "very feasible" category. And the results of student responses to the media were 92 in the "very good" category. It can be concluded that Android-based learning media is very feasible and very good for use in junior high school science learning on additive material. For further training, it is possible to carry out secondary school education learning activities aimed at by the next training.
Analyzing Student Reactions to Interactive Learning Materials and Critical Thinking Capabilities Using the Rasch Model Candrawati, Emilia; Uliyandari, Mellyta; Prahani, Binar Kurnia
SEJ (Science Education Journal) Vol. 9 No. 1 (2025): May
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/sej.v9i1.1675

Abstract

By creating interactive learning materials for the biochemistry course, this project seeks to improve the critical thinking abilities of students enrolled in the Science Education Program at one of the Bengkulu universities. Employing a research and development (R&D) approach considering the DDD-E (Decide, Design, Develop, Evaluate) model, the media was designed for Android devices and focuses on carbohydrate metabolism content. The main features include Program and Course Learning Outcomes, instructional materials, usage guidelines, and a profile section. Validation results from content and media experts confirmed the media’s appropriateness for instructional use. Student responses, analyzed using the Rasch Model, indicated strong agreement regarding the media's usefulness. Moreover, the application of this interactive media significantly improved students' critical thinking skills, with an N-gain score of 53.67%. These findings suggest that the media is effective for use in biochemistry courses, although further research is needed to explore its application in other subject areas.