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Jurnal Pijar MIPA
Published by Universitas Mataram
ISSN : 19071744     EISSN : 24601500     DOI : -
Core Subject : Science, Education,
Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics
Jurnal Pijar MIPA (e-ISSN: 2460-1500 & p-ISSN: 1907-1744) is an open-access scientific periodical journal published by the Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA publishes original articles on current issues and trends in mathematics-science-science education studies. In addition, this journal addresses issues concerning environmental education and environmental science. The journal scopes are: a. Physics and Physics Education b. Chemistry and Chemistry Education c. Biology and Biology Education d. Natural Science and Science Education e. Mathematics and Mathematics Education f. Environmental and Environmental Education
Arjuna Subject : Umum - Umum
Articles 1,255 Documents
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Diversity of Butterflies (Lepidoptera) in the Bonsai Park, Tapan Village, Kedungwaru District, Tulungagung Regency Nuraini, Urmila Yuniska; Maharani, Hamidha Septa
Jurnal Pijar MIPA Vol. 21 No. 2 (2026)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i2.11713

Abstract

Butterflies are insects that can inhabit various types of habitats, but differences in habitat conditions may influence their abundance and species diversity. Bonsai Park, located in Tapan Village, Kedungwaru District, Tulungagung Regency, East Java, is a tourist area with vegetation that potentially supports butterfly populations. However, scientific information on butterfly diversity in this area remains limited. The lack of such data may hinder efforts to understand local biodiversity conditions and opportunities for pollinator conservation. Therefore, this study aimed to identify butterfly species and analyze their diversity and relative abundance in Bonsai Park, Tapan Village. This research employed a quantitative descriptive approach using the transect method. Sampling was conducted along three transect lines, each approximately 100 m in length, with an observation width of about 5 m on both sides of the transect. Sampling was carried out between 08.00–11.00 WIB using an insect net with the sweeping technique. Sampling was repeated four times at weekly intervals during the research period. Data analysis included the Shannon–Wiener diversity index (H’) and relative abundance. The results showed that 7 butterfly species, totalling 21 individuals, were recorded, belonging to 4 families: Nymphalidae, Lycaenidae, Pieridae, and Papilionidae. The identified species were Euploea crameri, Junonia atlites, Acraea terpsicore, Danaus chrysippus, Tajuria cippus, Leptosia nina, and Papilio demoleus. The Shannon–Wiener diversity index (H’) value of 1.746 indicates a moderate level of diversity, with the highest abundance found in Junonia atlites. These findings suggest that Bonsai Park can still support several butterfly species as part of local biodiversity. Ecological management strategies, such as planting host plants for larvae, increasing the number of flowering plants as nectar sources, and enhancing vegetation heterogeneity, are recommended to improve habitat quality and support butterfly conservation in the area.
Development of Digital Flashcard Learning Media Assisted by Quizlet Based on Contextual Teaching and Learning (CTL) Oriented to Critical Thinking Skills on Electrolyte and Non-Electrolyte Solution Material Manalu, Riris Desinta Marsaulina; Syahri, Wilda; Hasibuan, Muhammad Haris Effendi; Haryanto, Haryanto; Zurweni, Zurweni
Jurnal Pijar MIPA Vol. 21 No. 2 (2026)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i2.11758

Abstract

Chemistry learning on electrolyte and non-electrolyte solutions is still abstract and difficult to visualize, so it requires digital learning media that can encourage active student involvement in critical thinking. This study aims to develop digital flashcard learning media assisted by Quizlet, based on Contextual Teaching and Learning (CTL), that are oriented towards critical thinking skills, to assess the feasibility of the media, teacher assessment, student responses, and to provide an overview of students' critical thinking skills after using the developed media. This research is a research and development (R&D) with the Lee & Owens model, which includes the stages of Analysis, Design, Development, Implementation, and Evaluation. The research subjects were grade XII high school students. The research instruments included validation sheets from material experts and media experts, teacher assessment questionnaires, student response questionnaires, and evaluation tests. Data were analyzed descriptively, quantitatively, and qualitatively. The results showed that material expert validation increased from 85% to 97% after revision, media expert validation increased by 90%, and teacher assessment increased by 90%, with a very feasible category. Student responses in the one-to-one trial were 86.6%, and in the small group trial were 86.25%, categorized as very good. The evaluation results, at 82.27%, indicate that students' understanding is in the very good category. Therefore, the digital flashcard learning media, supported by Quizlet and based on CTL, is highly suitable as an alternative learning medium for high school chemistry and has the potential to foster students' critical thinking skills.
The Effectiveness of Field Learning Based on Megapodius reinwardt Ecotourism in Improving the Critical Thinking Skills of Biology Education Students Yamin, M.; Jufri, A Wahab; Gunawan, Gunawan; Andriyan, Ade
Jurnal Pijar MIPA Vol. 21 No. 2 (2026)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i2.11760

Abstract

The development of critical thinking skills is a strategic agenda in biology education, particularly in preparing prospective teachers capable of integrating scientific analysis with real ecological contexts. However, learning that remains oriented towards classrooms and limited laboratories has not fully strengthened students' evaluative and argumentative abilities. Field learning based on M. reinwardt ecotourism offers a contextual approach that places students in authentic observation and analysis situations. This study aims to test the effectiveness of ecotourism-based field learning in improving the critical thinking skills (CTS) of Biology Education students. The study used a quasi-experimental pretest–posttest control-group design. The experimental group implemented the Ecotourism-Based Field learning Model (EBFL) by studying the ecology and conservation of M. reinwardt in the Gunung Tunak and Kerandangan Nature Tourism Parks, while the control group followed a conventional laboratory practicum. The research instrument was a CTS test validated by experts, and the model's effectiveness was analysed using N-Gain and the Mann–Whitney test. The results showed a significant difference in CTS improvement between the experimental and control groups, as well as a substantive influence of field learning on higher-level cognitive achievement. These findings strengthen the development of an ecotourism-based contextual science learning model as a pedagogical innovation in the education of prospective biology teachers.
Development of Song-Assisted Virtual Reality-Based BioPulse Learning Media to Improve Learning Outcomes of Human Circulatory System Materials Maulana, Fahrizal Husni; Sutikno, Putri Yanuarita
Jurnal Pijar MIPA Vol. 21 No. 2 (2026)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i2.11771

Abstract

The low understanding of students of abstract science subjects, especially the human circulatory system, is due to the fact that the learning process is still dominated by lecture methods and the use of textbooks, so that students are less actively involved. This study aims to develop and test the effectiveness of song-assisted virtual reality-based BioPulse learning media in improving the learning outcomes of grade V students on the human circulatory system material. This research uses the ADDIE development model, which includes the stages of analysis, design, development, implementation, and evaluation. The subject of this study is grade V students at SD Negeri Mulyosari, totalling 31 students. The trial was carried out in two stages, namely a small-scale test involving 9 students and a large-scale test involving 22 students. Data collection was carried out through validation by media experts and experts in learning outcome test materials, in the form of pretests and posttests, as well as questionnaires on teacher and student responses to BioPulse learning media. Data analysis was carried out using normality tests, paired-samples t-tests, and N-Gain tests. The results of the study showed that the BioPulse media developed obtained validation scores of 93.3% for media experts and 91.6% for material experts, indicating a very feasible category. The average student pretest score of 45.4 increased to 87.9 in the posttest. The results of the paired-samples t-test showed a significance value of 0.000 (< 0.05), indicating a significant difference between the values before and after media use.  The N-gain is 0.79, which is in the high category. Teachers' and students' responses to the media are in the very decent category. The song-assisted, virtual reality-based BioPulse learning media was found to be valid and effective in improving student learning outcomes in human circulatory system material in elementary schools.
Pre-Service Chemistry Teachers Practicum Experiences in Libya: Challenges, Support Needs, and Supervisors Perspectives Alrwesse, Rania; Aljarmi, Abtisam; Baroud, Najah
Jurnal Pijar MIPA Vol. 21 No. 3 (2026): in Progress
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i3.11656

Abstract

Teaching practicum is an important stage in chemistry teacher education because pre-service teachers need to apply what they have learned at the university in real classrooms while facing real constraints such as time, classroom control, safety issues, and limited school resources. This study explores practicum experiences of final-year pre-service chemistry teachers in Libya, focusing on the main challenges they face and the support they need across different school contexts. A convergent mixed-methods design was used, combining a questionnaire with semi-structured interviews to compare students’ and supervisors’ views. Questionnaire data were collected from 60 final-year female pre-service chemistry teachers from the Chemistry Department, Faculty of Education, University of Zawia, who were placed in 9 practicum schools (urban: n = 42; non-urban: n = 18). At the same time, nine practicum supervisors were interviewed to identify recurring difficulties and potential improvements in the practicum program. The survey showed high pressure related to classroom management and limited lesson time, difficulty in teaching abstract chemistry concepts and linking macroscopic, symbolic, and particle-level explanations, and frequent student misconceptions with lower confidence in assessing understanding. Students also reported limited lab access and school resources, and not enough satisfaction with university supervision feedback. The supervisors’ interviews supported these results, pointing to clear time-loss points during lessons, crowded classes that make safety harder, and a common move to demonstration or theory-based lessons when resources are limited. Overall, the findings suggest the need for a stronger support system in practicum, including clearer mentoring, regular observation and feedback, chemistry-focused teaching resources, simple diagnostic assessment tools, and low-cost, safe lab alternatives. This study provides evidence from Libya and gives practical suggestions to improve chemistry teacher preparation and school–university cooperation.
Development of Handouts on Redox Material to Improve the Students Cognitive Abilities Using the Sorogan-Bandongan Learning Model Nur Ainun; Rinaningsih Rinaningsih
Jurnal Pijar MIPA Vol. 21 No. 3 (2026): in Progress
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i3.11769

Abstract

The Sorogan-Bandongan learning model is a traditional approach to enhancing students’ cognitive abilities through a structured series of activities, including diagnostic testing, independent practice, and self-reflection. This model effectively bridges student-centered individual learning (Sorogan) with collective discussion and evaluation (Bandongan), fostering both personal responsibility and collaborative engagement. This Research and Development (R&D) study, employing Thiagrajan's 4D model (Define, Design, Develop, Disseminate) through the development stage, aims to evaluate the feasibility of a chemistry handout on redox reactions based on this model. The feasibility was assessed through three main criteria: validity, practicality, and effectiveness. Analysis of the research instruments revealed that the handout is highly qualified across all parameters. In terms of validity, both content and construct aspects received a mode score of 4, placing them in the "highly valid" category. Regarding practicality, the handout earned a 94.11% student response rate, while direct observations of student activities across three sessions yielded consistently high scores between 96.67% and 97.78%, categorizing it as "very practical." Finally, the effectiveness of the handout was demonstrated by a significant improvement in student learning outcomes. The analysis of pretest and posttest results showed an average N-Gain Score of 0.77, which falls into the "high" category, with a class mastery rate of 100%. These results confirm that integrating the Sorogan-Bandongan learning model into chemistry handouts is a highly effective and feasible strategy for improving students’ cognitive understanding of redox material.
Information Literacy and Digital Literacy as Predictors of Students Cognitive Learning Outcomes in General Biology Lianto, Lianto; Adawiyah, Marosa Robiatul; Lestari, Tri Ayu
Jurnal Pijar MIPA Vol. 21 No. 3 (2026): in Progress
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i3.11795

Abstract

The rapid digital transformation in higher education highlights the importance of literacy competencies that enable students to effectively access, evaluate, and utilize information. This study aimed to examine the relationship between information literacy (IL), digital literacy (DL), and students’ cognitive learning outcomes (CLO). A quantitative correlational design was employed involving 78 undergraduate students enrolled in a General Biology course. Data were collected using a literacy questionnaire and a cognitive test. Assumptions of normality, linearity, and multicollinearity were met prior to analysis. Multiple regression analysis revealed that IL and DL simultaneously had a significant relationship with CLO (p < 0.05; R = 0.417; R² = 0.174), while partial effects were not significant. This study demonstrates that IL and DL act as complementary rather than independent predictors of cognitive outcomes. The findings imply that integrating both literacies into instructional design is essential to enhance students’ academic performance in digital learning environments.  The study contributes to the growing literature on literacy integration in higher education and implies that instructional design should integrate information and digital literacy simultaneously to support meaningful learning and improve students’ academic performance in digital learning environments
Comparative Osmoregulation Response of Common Carp (Cyprinus carpio) and Gourami (Osphronemus gouramy) Under Seawater Exposure I Wayan Merta; Kusmiyati Kusmiyati
Jurnal Pijar MIPA Vol. 21 No. 3 (2026): in Progress
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i3.10203

Abstract

Homeostasis is an essential physiological process that functions to maintain the stability of an organism's internal conditions, primarily through osmoregulation mechanisms in aquatic animals. This study aims to: 1. Compare the physiological responses of osmoregulation between goldfish (Cyprinus carpio) and gourami fish (Osphronemus gouramy) after being given treatment in the form of exposure to seawater. 2. Increasing students' insight into animal physiology, especially osmoregulation material in fish. The method used was an experiment with two treatment groups, each group replicated 15 times. Data collection was conducted through direct observation of the fish's survival time and respiratory frequency. Data analysis was carried out using a t-test at the 5% significance level. The results showed that gourami had a higher average survival time (41.80 minutes) than goldfish (16.33 minutes). In contrast, goldfish showed a higher respiratory rate, indicating greater osmotic stress. Based on the t-test, a significant value of 0.00 <0.05 was obtained. This study concludes that there is a significant difference in survival between goldfish and gourami. Gourami fish have better osmoregulatory adaptation abilities than goldfish in high-salinity environments. The findings provide valuable insights into species-specific osmoregulatory adaptations to salinity stress and can serve as an effective learning resource for enhancing students' understanding of animal physiology and aquatic environmental adaptation.
Comprehensive Analysis of Comparison of Trastuzumab Reference with Biosimilars in the Treatment of HER2-Positive Breast Cancer: A Review Aulia Khaerunisa; Ahsanal Kasasiah; Meisya Dwi Ananda; Naila Yusti Fadhilah; Shofiatulfuadah Retnaningrum Herlaesa
Jurnal Pijar MIPA Vol. 21 No. 3 (2026): in Progress
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i3.11110

Abstract

HER2-positive breast cancer is an aggressive subtype of breast cancer characterized by overexpression of the Human Epidermal Growth Factor Receptor-2 (HER2), which is associated with rapid tumor progression, higher metastasis rates, and poor prognosis. Trastuzumab has become one of the main targeted therapies for HER2-positive breast cancer and has significantly improved patient survival outcomes. However, the high cost of reference trastuzumab products such as Herceptin limits patient access, especially in developing countries. Therefore, trastuzumab biosimilars have emerged as more affordable therapeutic alternatives with comparable clinical performance. This review aimed to analyze and compare the efficacy, pharmacokinetic profile, safety, and cost-effectiveness of reference trastuzumab and trastuzumab biosimilars in the treatment of HER2-positive breast cancer. The method used was a systematic literature review of the PubMed and ScienceDirect databases, using keywords related to breast cancer, trastuzumab, and biosimilars. Studies published between 2014 and 2024 were included based on predetermined inclusion and exclusion criteria. The findings demonstrated that several biosimilars, including SB3 (Ontruzant), CT-P6 (Herzuma), PF-05280014 (Trazimera), ABP 980 (Kanjinti), and trastuzumab-dkst (Ogivri), exhibited equivalent efficacy to reference trastuzumab in terms of pathological complete response (pCR), progression-free survival (PFS), overall survival (OS), and disease-free survival (DFS). In addition, biosimilars showed pharmacokinetic, immunogenicity, and cardiac safety profiles comparable to those of the originator product. Biosimilars also provided significant economic advantages by reducing treatment costs and improving patient access to HER2-targeted therapy. In conclusion, trastuzumab biosimilars are effective, safe, and cost-efficient alternatives to reference trastuzumab for HER2-positive breast cancer management and may support more sustainable healthcare systems.
Modelling the Number of Pneumonia Cases among Toddlers in East Java Province with the Generalized Additive Model Approach Verina Tita Nabila; Naufal Ramadhan Al Akhwal Siregar
Jurnal Pijar MIPA Vol. 21 No. 3 (2026): in Progress
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i3.11595

Abstract

Pneumonia is a major respiratory infection that significantly affects toddlers. Based on Riskesdas 2021, East Java recorded the highest number of pneumonia cases in Indonesia. This study aims to model the number of toddler pneumonia cases in East Java using the Generalized Additive Model (GAM) to address the issue of overdispersion, comparing the performance of Poisson and Negative Binomial distributions. This study utilized secondary data sourced from the East Java Health Profile 2024, with a total of 38 districts/cities as the unit of observation. The analysis technique employed GAM with smoothing functions to capture non-linear relationships between the response and predictor variables, which include nutritional status, breastfeeding, immunization, vitamin A, and household air quality, followed by an overdispersion test. The results indicate that the GAM with a Negative Binomial distribution is superior to the Poisson model in handling overdispersion, as evidenced by a significantly lower deviance of 507.7 versus 8932.6. In conclusion, the Negative Binomial GAM provides a more accurate model for this case. Furthermore, improving public health awareness and upgrading health facilities are crucial steps to more effectively managing toddler pneumonia cases.

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