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PENDIPA Journal of Science Education
Published by Universitas Bengkulu
ISSN : 20869363     EISSN : 26229307     DOI : -
Core Subject : Science, Education,
Chemistry Education Mathematics
PENDIPA Journal of Science Education is a peer-reviewed, open-access journal covered all aspect of science and science education. PENDIPA journal welcomes the submission of scientific articles related to mathematics, physics, chemistry, biology, and its educational implementation in a school, higher education and other educational institution. We encourage scientist, lecturer, teacher and student to submit their original paper to the journal. PENDIPA journal is published by Graduate School of Science Education - University of Bengkulu, three times a year on February, June and October
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Articles 566 Documents
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Kualitas Pelayanan, Ketersediaan PENGARUH KUALITAS PELAYANAN, KETERSEDIAAN OBAT, DAN FASILITAS TERHADAP KEPUASAN YANG BERDAMPAK PADA LOYALITAS PASIEN DI INSTALASI FARMASI RAWAT JALAN RUMAH SAKIT X KOTA BEKASI : PENGARUH KUALITAS PELAYANAN, KETERSEDIAAN OBAT, DAN FASILITAS TERHADAP KEPUASAN YANG BERDAMPAK PADA LOYALITAS PASIEN DI INSTALASI FARMASI RAWAT JALAN RUMAH SAKIT X KOTA BEKASI Herawati, Ratna Hidayah; Yantih, Novi; Amyulianthy, Rafrini
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.682-687

Abstract

This study aimed to analyze the influence of service quality, drug availability, and facilities on patient satisfaction and its impact on patient loyalty at the Outpatient Pharmacy Installation of Hospital X in Bekasi City. As a healthcare provider, Hospital X faces intense competition with other hospitals, which requires continuous improvement in service quality to retain patients. The research employed a quantitative approach using a questionnaire survey to collect primary data. The data were analyzed using Structural Equation Modelling (SEM) with SmartPLS, including respondent characteristics, frequency, percentage, total score, and variable mean analysis. The results reveal that service quality significantly affects patient satisfaction (t = 5.343; p = 0.000; f² = 0.057), drug availability significantly influences patient satisfaction (t = 2.259; p = 0.046; f² = 0.250), and facilities also have a significant effect (t = 2.096; p = 0.023; f² = 0.604). Furthermore, service quality, drug availability, and facilities significantly affect patient loyalty (t > 2; p < 0.05). Mediation analysis shows that patient satisfaction significantly mediates the relationship between service quality, drug availability, and facilities with patient loyalty. Overall, the study concludes that service quality, drug availability, and facilities positively and significantly influence both patient satisfaction and patient loyalty.
Analysis of the Effect of Rail Connection Failure Using the AHP, FMECA, WRPN Methods (Case Study of the Tanjung Karang Station – Rejosari Station Crossing) Febriyadi; Bustam, Hadyan Arifin; Setyaji, Arif; Melyta, Elyabet; Pamursari, Nurmagita; Putri, Ananda Agneshia
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.701-710

Abstract

Rail joints are critical points in railway track infrastructure that affect passenger train ride comfort and safety. This study analyzes their impact along the Tanjung Karang – Rejosari line through Track Quality Index (TQI) and International Roughness Index (IRI Roadbump) measurements, passenger perception surveys using the Analytic Hierarchy Process (AHP), and failure risk evaluation using Failure Mode, Effects, and Criticality Analysis (FMECA) with Weighted Risk Priority Number (WRPN). Results indicate that joints with high TQI and IRI values produce significant impacts, reducing comfort. AHP identified impacts as the dominant factor, while FMECA found the highest RPN in thermite welded joints with the failure mode of “joint corrosion.” The study recommends replacing thermite welding with flash butt welding and converting mechanical joints to permanent welded joints to improve track geometry, reduce failure risk, and enhance comfort and safety.
Pengaruh Penggunaan Augmented Reality Berbantuan Assemblr Edu Dalam Pembelajaran Fisika Pada Materi Perubahan Iklim Terhadap Pemahaman Konsep Siswa Hidayah, Nur; Nasar , Adrianus; Umbu Kaleka, Melkyanus B.
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.688-693

Abstract

This study aims to evaluate the impact of using Augmented Reality (AR) through the Assemblr Edu application on students' understanding of physics concepts, particularly on the topic of climate change. This study employed a quasi-experimental design with a quantitative approach and a posttest-only control design. The population was all eight classes of SMP Negeri 1 Ende in the 2025/2026 academic year. The sample consisted of two classes: class VIII F, the experimental class taught using the experimental method, and class VIII D, the control class taught using the conventional method, with a total of 64 students. The data collection technique used in this study was a test, with a posttest being administered to determine the differences between the control and experimental classes. The data analysis techniques used were descriptive analysis, normality testing, and independent sample t-tests using SPSS 25. The results of the post-test data analysis revealed a significant difference between the average conceptual understanding of students in the experimental class (81.63) and the control class (52.00). The normality test results indicated that the data were normally distributed (Sig. 0.100 > 0.05), allowing for hypothesis testing. The t-test results showed a significance value of <0.001, less than 0.05. Therefore, the null hypothesis (H0) was rejected and the alternative hypothesis (H1) was accepted.
PENGEMBANGAN E-MODUL FISIKA BERBASIS LITERASI SAINTIFIK PADA MATERI USAHA DAN ENERGI UNTUK MENINGKATKAN HASIL BELAJAR PESERTA DIDIK Sunda, Arianti Andriyani; Harso, Aloisius; Kaleka, Melkyanus B. Umbu
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.711-717

Abstract

This study aimed to determine the feasibility, practicality, and effectiveness of a scientific literacy-based physics e-module on the topic of work and energy to improve students’ learning outcomes.This is a research and development (R&D) study employing the ADDIE development design. The research subjects consisted of a four validators, comprising two lecturers as media experts and two science/physics teachers as material experts, as well as two science/physics teachers and 32 students of SMP Negeri 2 Ende. Data were collected using questionnaires and pretest–posttest. The data were analyzed using the N-gain test.The results of the study show that the developed product is highly feasible for use as a learning resource, with a media expert assessment score of 88.75% and a material expert assessment score of 95.00%, both falling under the “highly feasible” category. The trial results from subject teachers and students indicate that the developed scientific literacy-based physics e-module is highly feasible for use, with an average score of 100% from subject teachers and 81.33% from students. Learning science/physics using the scientific literacy-based physics e-module can positively influence students’ learning outcomes, as evidenced by the N-gain test result of 0.81, which falls under the “high” category. The effectiveness test result reached 100%, categorized as “highly effective.” These findings indicate that the scientific literacy-based physics e-module is both highly feasible and highly effective for use.
Fortifikasi Pakan Ikan Berbasis Limbah Pertanian Untuk Meningkatkan Pertumbuhan Dan Hasil Lele Sangkuriang (Clarias gariepinus): Fortifikasi Pakan Ikan Berbasis Limbah Pertanian Untuk Meningkatkan Pertumbuhan Dan Hasil Lele Sangkuriang (Clarias gariepinus) Hamron, Novita; Kesuma, Bambang Wijaya; Oktamalia; Sari, Dia Novita; Togatorop, Eny Rolenti
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.726-734

Abstract

The development of fish feed fortification technology based on agricultural waste is one of the potential solutions to reduce feed production costs. Fish feed fortification can be derived from animal and plant sources, provided that the fortification ingredients contain protein, carbohydrates, fat, and other nutrients. Rice bran, an agricultural by-product, contains carbohydrates that can be utilized as raw material in fish feed formulation. The objective of this study was to analyze the effect of fortified fish feed made from silk worm meal and fish meal fortified with rice bran waste on the growth and yield of Sangkuriang catfish (Clarias gariepinus). The research method employed a Completely Randomized Block Design (CRBD) with four treatments, namely: A (2.25% tapioca flour + 0.75% rice bran flour), B (2% tapioca flour + 1% rice bran flour), C (1.5% tapioca flour + 1.5% rice bran flour), and D (0.75% tapioca flour + 2.25% rice bran flour). Each treatment was replicated three times, resulting in a total of 12 experimental units. The results showed that treatment D (0.75% tapioca flour + 2.25% rice bran flour) was the best artificial feed formulation for Sangkuriang catfish grow-out, as indicated by higher absolute length gain, absolute weight gain, survival rate, and feed conversion ratio. The nutritional content of treatment D feed formulation (1:3), consisting of 0.75% tapioca flour + 2.25% rice bran flour, was 1.85% carbohydrate, 12.79% fat, and 31.01% protein.
Uji Suplementasi Fitobiotik dan Karbohidrat pada Pakan Buatan Berbasis Bahan Baku Lokal Untuk Pertumbuhan Ikan Nila (Oreochromis niloticus): Phytobiotic and Carbohydrate Supplementation Test in Artificial Feed Based on Local Ingredients for the Growth of Nile Tilapia (Oreochromis niloticus) Oktamalia, Oktamalia; Hamron, Novita; Sari, Dia Novita; Togatorop, Eny Rolenti
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.735-741

Abstract

In recent years, the use of natural and local ingredients to improve the nutritional quality of feed, as well as fish health and growth, has required the addition of supplementary components such as phytobiotics and carbohydrates. The abundance of local ingredients like papaya leaves and cassava in the Bengkulu region presents great potential for their utilization as feed supplements for fish. This study aimed to evaluate the effect of combining phytobiotic and carbohydrate supplementation on the growth performance of Nile tilapia. The experimental design used was a Completely Randomized Design (CRD) with a single factor and four treatments: A (basal diet), B (basal diet + 25% papaya leaf meal + 75% cassava meal), C (basal diet + 50% papaya leaf meal + 50% cassava meal), and D (basal diet + 75% papaya leaf meal + 25% cassava meal). Each treatment was replicated three times, resulting in a total of 15 experimental units. The results showed that diet formulation D (basal diet + 75% papaya leaf meal + 25% cassava meal) was the best treatment, as it produced the highest feed intake, better daily growth rate and biomass, and a relatively greater absolute length compared to the other treatments.
Pengembangan Instrumen Literasi Sains Kontekstual Bencana Alam (Gempa Bumi dan Gunung Api) : Development of Contextual Science Literacy Instruments for Natural Disasters (Earthquakes and Volcanoes) Nuryanti, Alimah; Kaniawati, Ida; Suwarma, Irma Rahma
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.718-725

Abstract

This study aimed to develop a valid and reliable scientific literacy test instrument for seventh-grade junior high school students on earthquakes and volcanoes. The method used is Research and Development with a 4D model, which includes the stages of define, design, develop, and disseminate. The research subjects consisted of 30 junior high school students. The development data were analyzed to assess the validity, reliability, difficulty level, and discriminatory power of the instrument. The development procedure included planning, preparation of the initial draft, validation of content and construct by experts through the suitability of scientific literacy indicators with the test items, followed by field trials, revisions, and implementation of the instrument. Based on 15 test items prepared, 13 were declared valid, one was revised, and one was not used. The analysis results showed the reliability of the instrument with a KR-20 coefficient of 0.76 which is included in the high category. The level of difficulty of the questions consisted of 12 items in the medium category and 3 items in the easy category, while the discriminatory power of all questions was in the very good to good category.
Perancangan Filter Pasif Pada Gardu Traksi di Stasiun Citayam Guna Mengurangi Efek Distorsi Harmonisa Putri Jori, Rahmatika Dwi; Sari, Nurwanda; Desliana, Lulu Syahira; Maulidina, Siti; Mardhotillah, Nur Anisa; Arif, Muhammad Rizki; Aini, Nur Syahidah
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.742-751

Abstract

Electric Rail Trains (KRL) have become the most frequently used transportation mode for daily activities in the community. One of the existing problems within the operation system of Electric Rail Trains (KRL) lies in the current rectification process. During this rectification process, an effect occurs that can cause disturbances in the KRL's electrical system. This resulting effect is the harmonic effect. This study aims to address the problem of power quality degradation in the Electric Rail Train (KRL) at the Citayam Station Traction Substation, which is caused by this harmonic effect. The harmonic effect arises from the process of rectifying alternating current (AC) into direct current (DC) using a silicon rectifier, which can lead to voltage drop, speed reduction, or even the operational stoppage of the KRL.The research method used is quantitative descriptive. The study did not conduct direct measurements but instead used averaged assumption data from three related journals as primary data. The data analyzed were the values of Total Harmonic Distortion (THD) for both current and voltage, particularly focusing on the 5th, 7th, and 11th harmonic orders, which were identified as the highest contributors to the harmonic distortion. To mitigate the harmonics, this study designed a single-tuned passive filter using the ETAP (Electric Transient Analysis Program) software. The design aims to suppress the harmonic distortion, thereby improving the electrical power quality, maintaining the reliability of the traction substation, and optimizing KRL operations. The single-tuned passive filter designed in this research was capable of suppressing harmonics by up to 0.009%.
Pemanfaatan Teknologi Pesawat Udara Tanpa Awak dalam Deteksi Pengedaran Narkoba di Selat Sunda Putri, Cintya Yelena; Supriyadi, Asep Adang; Ras, Abdul Rivai
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.752-763

Abstract

Drugs trafficking via Indonesia's sea routes continues to increase, making the Sunda Strait one of the most vulnerable points for inter-island smuggling. Conventional surveillance using patrol boats is often ineffective due to limitations in range, weather, and response time. This study was conducted to evaluate the potential and effectiveness of utilizing Unmanned Aerial Vehicle (UAV) technology in detecting and preventing drug trafficking in the Sunda Strait maritime region. The study used a qualitative approach through a Systematic Literature Review (SLR) that examined previous research results, national policies, and the implementation of UAVs in maritime security. The analysis was carried out by grouping the findings into four main themes, namely the effectiveness of UAVs in maritime surveillance, technical and operational constraints, integration with national security systems, and institutional policies and regulations. The results of the study show that UAVs can double the effectiveness of surveillance through real-time visual detection capabilities, wide coverage, and integration with radar and AIS systems. However, technical challenges such as battery life, extreme weather, and operator limitations still need to be overcome. The study concludes that the integrated application of UAVs, supported by strong institutional policies, can strengthen the national maritime security system and narrow the space for drug smuggling networks in the Sunda Strait.
Pengaruh Pengaruh Model Pembelajaran OIDDE Berbasis SETS Terhadap Kemampuan Pemecahan Masalah Peserta Didik pada Materi Ekologi Silfia Hani, Ziyan; Sjaifuddin, Sjaifuddin; Taufik, Annisa Novianti
PendIPA Journal of Science Education Vol 9 No 3 (2025): October
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.3.768-774

Abstract

This study aimed to determine the effect of the SETS-based OIDDE model on students' problem-solving abilities in ecology material. This type of research is a quasi-experimental study with a non-equivalent control design group method involving class VIIC as the experimental class and class VIIK as the control class as samples taken randomly through random sampling techniques. The instruments used to support this research data consist of problem-solving ability test instruments in the form of essay questions, test instruments including validation questionnaire sheets, model implementation observation sheets and student response questionnaire sheets. The results of the study with a hypothesis test using Mann Whitney showed results of 0.000 <0.05 which indicated the acceptance of H1 and the rejection of H0. These results indicate that the SETS-based OIDDE model has an effect on students' problem-solving abilities.

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