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Jurnal Penelitian Pendidikan IPA (JPPIPA)
Published by Universitas Mataram
ISSN : 24602582     EISSN : 2407795X     DOI : -
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics
Science Educational Research Journal is international open access, published by Science Master Program of Science Education Graduate Program University of Mataram, contains scientific articles both in the form of research results and literature review that includes science, technology and teaching in the field of science. The Science Educational Research Journal is published twice in a year in January and July editions. The editors receive writing in Indonesian or English, either from the university or from outside the university.
Arjuna Subject : -
Articles 6,421 Documents
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Cowpea–Plantain Composite Flour: An Educational Approach to Dietary Intervention for Blood Pressure Management Zulfiana Dewi; Sajiman Sajiman
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13380

Abstract

Hypertension is a major risk factor for cardiovascular diseases and remains highly prevalent in Indonesia, particularly in South Kalimantan. This study aims to formulate a cowpea–plantain composite flour as a functional food with synergistic potential for blood pressure regulation. Composite flours were produced by processing raw materials through drying, milling, and sieving into formulations ranging from 10:90 to 90:10. Sensory attributes, including color, aroma, texture, and taste, were evaluated by 30 panelists, and the best formulation was determined using the De Garmo effectiveness index. Proximate composition, mineral content (potassium and sodium), and amino acid profiles were analyzed in an accredited laboratory. Sensory evaluation revealed that higher proportions of cowpea decreased taste acceptability, whereas plantain improved organoleptic characteristics. The optimal formulation was identified as KTPR8020 (80% cowpea : 20% plantain), which achieved a balanced profile of texture, aroma, and taste. Nutritional analysis indicated that cowpea increased protein (17.50%) and fat (1.56%) contents, while plantain contributed mainly to carbohydrates. The KTPR8020 formulation contained 5.98 mg/100 g potassium with a K/Na ratio of 7.1, supporting potassium-induced natriuresis. Amino acid profiling showed dominance of lysine, leucine, isoleucine, valine, and arginine, which are known precursors of bioactive peptides with ACE-inhibitory activity
Enhancing Nutritional Education Through the Development of Toddler Biscuits: A Focus on Mung Bean Flour and Patin Fish Paste as Effective Nutritional Interventions Against Malnutrition Sajiman Sajiman; Zulfiana Dewi
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13381

Abstract

This study aims to formulate toddler biscuits from mung bean flour and patin fish paste and to analyze their sensory quality, proximate content, amino acid profile, and fatty acid profile. Biscuits were prepared with varying ratios of mung bean flour and patin fish paste (10:90 to 90:10). Sensory quality tests were conducted using a hedonic scale scoring method with 30 trained panelists. The best formulation was selected using the De-Garmo test. Proximate analysis, amino acid profile, and fatty acid profile were performed on the best formulation and compared with standard toddler PMT biscuits. The KHIP5050 formulation (50% mung bean flour: 50% patin fish paste) was determined to be the best treatment based on the highest total De-Garmo score (3.33). Nutritionally, KHIP5050 biscuits had higher energy (479.45 kcal), protein (16.81%), and fat (27.77%) compared to standard PMT biscuits. The fatty acid profile was superior, with higher levels of MUFA and PUFA, and the presence of EPA, DHA, and AA, which were not detected in the standard biscuits. Toddler biscuits based on mung bean flour and patin fish paste, especially the KHIP5050 formulation, have significant potential as a nutrient-dense food product to address malnutrition in toddlers.
Development of E-Modules Based on Problem Based Learning (PBL) on the Circulatory System Material for Grade XI Senior High School to Improve Critical and Collaborative Thinking Skills Megawati; Fitri Arsih; Lufri; Elsa Yunuarti
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13422

Abstract

21st century education demands students to have critical thinking and collaboration skills. However, observations in class XI of SMAN 2 Sungai Penuh revealed low levels of these skills due to the lack of relevant learning media. Therefore, PBL-based E-modules are needed. This study aims to produce a valid, practical, and effective PBL-based E-module on the circulatory system material. This research employed Research and Development (R&D) using the ADDIE model, combined with a Quasi-Experimental Design (Pretest-Posttest Control Group Design) for effectiveness testing. The research subjects were 72 eleventh-grade students of SMAN 2 Sungai Penuh, divided into an experimental class (n = 36) and a control class (n = 36), selected through cluster random sampling. Instruments included validation sheets, practicality questionnaires, critical thinking tests, and collaboration observation sheets. Data analysis used descriptive statistics for validity and practicality, while effectiveness was analyzed using N-Gain scores and Independent Sample T-Test with SPSS 26 at α=0.05. Results showed validity of 95.49% (very valid), teacher practicality of 100% and student practicality of 92.89% (very practical). Effectiveness analysis revealed significant differences between groups (t= 4.523, p < 0.001) with experimental class N-Gain of 0.72 (high) compared to control class N-Gain of 0.45 (medium). Thus, the PBL-based E-module is valid, practical, and effective in improving students' critical thinking and collaboration skills.
Developing Interactive Multimedia for Informatics Learning to Support Quality Education (SDG 4) Vera Irma Delianti; Winda Agustiarmi; Ganefri; Asmar Yulastri; Elfizon
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13807

Abstract

The rapid development of digital technology requires learning approaches that integrate interactive media to enhance student engagement and conceptual understanding. However, Informatics learning in many senior high schools is still dominated by teacher-centered instruction, which limits students’ opportunities to explore concepts actively. Therefore, innovative digital learning media are needed to support more interactive and student-centered learning environments. This study aims to develop and evaluate interactive multimedia for learning basic computer operations and software functions in Grade 10 Informatics. The research employed a Research and Development (R&D) approach using the Instructional Development Institute (IDI) model, which applies a systematic instructional design through three stages: define, develop, and evaluate. The study involved 30 tenth-grade students and two Informatics teachers at SMA Negeri 2 Bukittinggi, Indonesia. Data were collected through expert validation sheets, teacher and student response questionnaires, and learning outcome tests using a one-group pretest–posttest design. The results show that the multimedia achieved very high validity (4.62) and excellent practicality (90.6%). The effectiveness test produced an N-gain score of 0.60, indicating a moderate level of effectiveness. These findings suggest that the multimedia is valid, practical, and moderately effective for supporting digital learning aligned with Sustainable Development Goal 4 (Quality Education).
Understanding Sustainability Through Socio-Ecological Trade-Offs: Field Evidence of Traditional Oil Mining and Groundwater Quality Toward the SDGs Ifan Deffinika; Alfi Sahrina; Dicky Arinta; Inanditya Widayana Putri; Adelisa Rizki Zaharani; Novi Silvia
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13828

Abstract

This study explores human-nature relationships through a socio-ecological perspective, focusing on traditional oil mining in Wonocolo, Indonesia, widely known as “Little Texas”. The analysis was conducted through field observations, in-depth interviews with 40 local stakeholders, and laboratory analysis of 40 groundwater samples collected from community dug wells. Results show residents rely on dug wells, piped-water, and artesian springs, with significant seasonal scarcity. Water quality assessment indicates that most physical parameters remain within acceptable limits (pH 6.40–8.00; electrical conductivity 0.43–2.26 mS/cm; temperature 22.00–31.00 °C). However, localized elevations in electrical conductivity at several sampling points suggest potential hydrochemical alterations in the shallow aquifer that may be associated with traditional oil extraction activities, particularly in a karst-dominated landscape. Although direct measurements of TPH and Oil & Grease were not available for a comprehensive ecotoxicological assessment, these findings highlight a critical socio-ecological trade-off in which short-term economic benefits from oil production may increasingly pressure long-term groundwater security. The study concludes that managing these interdependencies requires participatory governance and waste-stream regulation tailored to the karst landscape. Integrated policies are essential to ensure that economic benefits do not undermine the community's fundamental access to clean water, aligning with SDG 6 and SDG 12.
Application of a Levenberg–Marquardt-Based Backpropagation Neural Network for Rainfall Prediction Using a Single Weather Station Wahyu Sukmananda; Irwandi; Edwar Iswardy; Kadarsah; Yopi Ilhamsyah; Yuwaldi Away; Chakrit Chotamongsak; Dedy Ardana
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13845

Abstract

This study aims to develop an accurate monthly rainfall prediction model for Sabang City, Indonesia, to support agriculture, disaster mitigation, and water resource management in coastal regions with complex climatic conditions. An Artificial Neural Network (ANN) trained using the Levenberg–Marquardt (LM) algorithm was employed, combining the Gradient Descent and the Gauss–Newton methods to enhance convergence speed and training stability. Meteorological data from 2015–2024, including temperature, humidity, air pressure, sunshine duration, wind direction, wind speed, and rainfall, were obtained from the Maimun Saleh Meteorological Station. Model performance was assessed using Mean Squared Error (MSE), Root Mean Squared Error (RMSE), Mean Absolute Error (MAE), Mean Absolute Percentage Error (MAPE), and the coefficient of determination (R²). The optimal architecture consisted of a single hidden layer with 25 neurons, producing an MSE of 955.84 mm², an RMSE of 30.91 mm, an MAE of 23.06 mm, a MAPE of 34.8%, and an R² of 0.93. These results indicate that the ANN-LM model effectively captures nonlinear climatic relationships and seasonal rainfall variability. The MAPE value falls within the acceptable range reported in forecasting literature, demonstrating practical reliability. Overall, the ANN-LM approach outperformed conventional backpropagation in accuracy and training efficiency, indicating its suitability for rainfall prediction in coastal areas.
Development of a Basic Logic Gate Practicum Module to Support Quality Engineering Education in Digital Electronics Sartika Anori; Syerlie Annisa; Ryan Fikri; Ganefri; Asmar Yulastri; Efrizon
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13849

Abstract

Meaningful learning in digital electronics requires hands-on practicum activities to support students’ understanding of abstract logic concepts. However, limited access to appropriate practicum media often hinders effective learning experiences. This study aims to develop and validate a physical Basic Logic Gate practicum module designed to support hands-on learning in digital electronics courses. The study employed a Research and Development approach using the 4D model, completing the Define, Design, and Develop stages up to expert validation and student practicality testing. The developed module consists of a hardware-based logic gate kit that enables students to assemble and test basic logic gate circuits directly during practicum sessions. Content and media validation were conducted by a material expert and a media expert using a Likert-scale instrument, while practicality testing involved 28 undergraduate students. The validation results indicated high validity, with scores of 96.19% from the material expert and 97.14% from the media expert. Practicality testing yielded an average score of 98.57%, indicating that the module is highly practical in terms of usability, functionality, and suitability for practicum implementation. These findings demonstrate that the developed Basic Logic Gate practicum module meets quality standards for instructional media and is feasible for use in digital electronics practicum learning.
STEM Learning for Enhancing Self-Efficacy and Control of Variables in Prospective Elementary Teachers: A Systematic Review for Quality Science Education Ni Putu Murniasih S; Supriyatman; Afadil; Citra Dewi; Sarintan Kaharu; Nunuk Haryanti
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13879

Abstract

The objective of this study is to investigate how STEM (Science, Technology, Engineering, and Mathematics) education contributes to enhancing self-efficacy and control-of-variables strategy (CVS) skills among prospective elementary school teachers, using a Systematic Literature Review (SLR) methodology. This research examined 15 well-regarded international articles that were published between 2020 and 2025 and are indexed by Scopus. To guarantee a systematic, transparent, and responsible review process, the identification, selection, and inclusion of literature were carried out in accordance with PRISMA guidelines. The findings concerning STEM learning models, instructional strategies, and their effects on the psychological and cognitive aspects of prospective teachers were synthesized using thematic analysis. Studies show that STEM approaches based on inquiry, project-based learning, and engineering design consistently improve prospective teachers' self-efficacy in science teaching and strengthen their ability to regularly control variables in experiments. Furthermore, the implementation of the Flipped Classroom model and the integration of digital technology contributes to meaningful learning experiences (mastery experiences), enhanced collaboration, and the development of analytical thinking and problem-solving skills. However, several challenges remain, such as the gap between theory and practice, differences in program duration, and limitations in the development of computational literacy. Overall, STEM learning contributes to preparing prospective elementary school teachers who are confident, reflective, and competent in designing inquiry and technology based science lessons to support the creation of quality science education.
Pengembangan Produk Asam Durian Berbasis Proyek Etnosains dalam Pendidikan Kimia: Menganalisis Kreativitas Calon Guru Kimia Maria Erna; Siti Nazhifah; Sri Haryati; Putri Adita Wulandari; Muhammad Imam Rahmatullah
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13884

Abstract

This study aims to examine how an ethnoscience-based durian acid product-development project functions as a PCK-driven creative learning environment for prospective chemistry teachers and to analyze creativity across elaboration, originality, problem solving, and synthesis. A Classroom Action Research (CAR) design with an embedded mixed-methods approach was employed involving 68 fifth-semester pre-service chemistry teachers at the University of Riau. The intervention integrated Project-Based Learning (PjBL) stages—orientation, planning, implementation, and evaluation—within Plan–Act–Observe–Reflect cycles. Data were collected using creativity questionnaires, classroom observations, and interviews, and triangulated to validate findings. Results showed high agreement (74–93%) across creativity dimensions during orientation–implementation, supported by observed evidence of detailed planning, novel product ideas, and iterative troubleshooting. However, more neutral responses emerged during evaluation, indicating difficulties in evidence-based reflection and conceptual integration. The core chemistry concepts addressed included fermentation chemistry, pH interpretation, solution dilution, and acid strength comparisons. Triangulation was generally convergent, with partial divergence in originality during evaluation due to discrepancies between self-perceived novelty and observed pedagogical innovation. These findings suggest that ethnoscience-enriched PjBL effectively promotes creative PCK development, but requires structured scaffolding to strengthen data-driven justification and synthesis during reflective evaluation.
Developing E-Modules Based of SSI the Theme of Biodiversity to Enhance Students’ Critical Thinking Skills Abilities Nuryunita Dewantari; Zuida Ratih Hendrastuti; Laura Ardiyani Rohmah Cahyani; Nurul Rahmawati
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13962

Abstract

Critical thinking skills are one of the important skills to be applied in science learning. Critical thinking skills refer to students abilities to analyze complex issues, investigate questions that lack clear answers, evaluate various perspectives from information sources, and draw accurate conclusions. Several previous studies have shown that students' critical thinking skills in Indonesia are still relatively low and need to be improved. One approach is to use e-modules based SSI (socio scientific issues on the topic of biodiversity. E-modules are electronic teaching materials containing learning materials that students can use independently. Socio-scientific issues are social problems related to science. Biodiversity is one of the topics taught in junior high school science. E-modules based SSI on the theme biodiversity is an electronic module that presents social science issues related to the theme of biodiversity which is able to train students' critical thinking skills. This study aims are (1) to determine eligibility of e-modules based SSI on the topic biodiversity for improving the students critical thinking skills and to determine; (2) to determine the level of practicality of the e-modules based SSI on the topic biodiversity for improving the students critical thinking skills; and (3) to determine the effectiveness of e-modules based SSI on the topic biodiversity for improving the students critical thinking skills. The research employed a development method using the ADDIE development model are Analysis, Design, Development, Implementation, and Evaluation. The developed e-modules has been validated by experts and field testing in junior high school students in Magelang city. Based on the validator's assessment, the total score from four validator was 15.71 with an average score of 3.92, indicating that the developed e-module based SSI is good and suitable for use in science learning. Then, from the results of the student response questionnaire, the overall average score for the material, language, presentation, and graphics aspects was 4.133 with a good category, so that e-module based SSI is suitable for use in science learning. Based on the result of the paired sample t-test with a Sig. 0.000 < 0.05 and an N-gain value of 0.34, categorized as currently, so that the e-module is effective in improving critical thinking skills. The conclusion of this study is that the developing e-module is suitable, deemed practical, effective for use science learning in junior high school.

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