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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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PENGARUH VARIASI PRODUK, KUALITAS PELAYANAN, METODE PENGIRIMAN TERHADAP KEPUTUSAN PEMBELIAN DI E-COMMERCE APOTEK PT W DENGAN VARIABEL MODERASI PROMOSI: Pengaruh Variasi Produk, Kualitas Pelayanan, Metode Pengiriman terhadap Keputusan Pembelian di e-Commerce Apotek PT W dengan Variabel Moderasi Promosi Kurniasih, Dian; Kosasih; Ahmar, Nurmala
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.298-302

Abstract

The rapid growth of e-commerce in the pharmaceutical sector requires companies to understand key factors influencing consumer purchasing decisions. This study analyzes the effects of product variety, service quality, and delivery methods on purchasing decisions on PT W Pharmacy’s e-commerce platform, with promotion as a moderating variable. A quantitative approach using SEM-PLS was applied to data from 301 respondents. The results show that product variety has a positive and significant effect (coefficient = 0.207; t = 3.623; p = 0.000), as does service quality (coefficient = 0.157; t = 2.150; p = 0.032). Delivery methods show the strongest positive and significant effect (coefficient = 0.227; t = 4.223; p = 0.000). Promotion also directly has a positive and significant effect on purchasing decisions (coefficient = 0.362; t = 4.853; p = 0.000). As a moderating variable, promotion significantly strengthens the effect of service quality (coefficient = 0.196; t = 2.135; p = 0.033), does not significantly moderate product variety (coefficient = -0.090; t = 1.373; p = 0.170), and has a significant negative moderating effect on delivery methods (coefficient = -0.120; t = 2.019; p = 0.044). These findings emphasize the strategic role of delivery, service quality, and targeted promotion in enhancing online purchasing decisions
Analisis Persepsi Guru Terhadap Efektivitas Pembelajaran Biologi Berbasis Technological Knowledge di SMA Kecamatan Samarinda Ulu Pradana, Nirza; Masitah; Nasution, Ruqoyyah; Serena, Nelda Anasthasia
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.303-309

Abstract

The development of technology in the education sector today is not accompanied by wise use by students. One way to increase the productivity of technology use by students is through schools, where teachers act as facilitators. This certainly poses a challenge for teachers to maximize the role of technology in schools despite differences and limitations so that learning becomes effective. Teachers' perceptions of technology are important to analyze in efforts to improve the quality of technology-based learning. This study aims to determine teachers' perceptions of the effectiveness of biology learning based on technological knowledge at Samarinda Ulu District High School and the factors influencing it. The methods used are qualitative and quantitative, with measurement tools in the form of questionnaires and interview sheets. Data were analyzed using descriptive statistical analysis. Based on the questionnaire responses from 7 biology teachers at SMA Kecamatan Samarinda Ulu, the analysis of teachers' perceptions of the effectiveness of technology-based biology learning revealed a score of 71.42%, indicating that the majority of teachers have a very positive perception of the effectiveness of technology-based learning. Factors influencing this include teachers' and students' ability to use technology, the availability of infrastructure, the suitability of technology to the material presented, the diversity of applications used in learning, and discipline and motivation in learning.
Analisis Pengendalian Kualitas Produksi dengan Menggunakan Pendekatan Logika Fuzzy Failure Mode and Effect Analysis (FMEA) Muzani, M. Aldi; Luthfianto, Saufik
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.423-432

Abstract

The rapid growth of the manufacturing industry demands that companies continuously enhance product quality to meet consumer needs and maintain competitiveness in the global market. In this context, quality control becomes a strategic element that not only ensures product consistency but also influences corporate reputation and operational efficiency. This study was conducted at PT Industri Komkar Indonesia, a manufacturing company specializing in rubber components, particularly rubber bust boots. The research aims to identify the factors contributing to product defects and uncover the root causes that may reduce customer satisfaction. The method employed is Fuzzy Failure Mode and Effects Analysis (Fuzzy FMEA), an approach capable of addressing uncertainty in risk assessment through the application of fuzzy logic. Calculations are carried out by evaluating the Fuzzy Risk Priority Number (FRPN) for each potential failure mode. The analysis reveals that machine breakdowns or suboptimal machine conditions are the primary causes of product defects. Therefore, corrective actions are essential, including routine machine maintenance, enhanced operator training, and stricter monitoring of the production process. These measures are expected to reduce product failure rates, improve customer satisfaction, and lower production costs resulting from defective products.
Hubungan Kekerabatan Lima Spesies Dari Family Poaceae Berdasarkan Karakter Morfologi Zaniati, Putri Mona; Alami, Zulfa Wasiatul; Nalirsa, Salwa; Rizqullah, Argya Rifqy; Sinaga, Rio Ferdinand; Febrianti, Arikah
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.318-323

Abstract

Indonesia is known as one of the countries with the highest biodiversity in the world, including in the Poaceae family or grasses that have important ecological and economic values. This study aimed to determine the kinship of five species from the Poaceae family based on morphological characters. The species observed include Cenchrus longispinus, Paspalum plicatum, Imperata cylindrica, Setaria parviflora, and Eleusine indica. The study was conducted quantitatively with a descriptive approach, through direct observation of morphological characters such as roots, stems, leaves, flowers, fruits, and seeds. Data were analyzed using a similarity index and visualized in the form of a dendogram. The results show that the five species have many morphological similarities, especially in root type, stem shape, growth direction, and flower type. The species with the closest kinship are Eleusine indica with Paspalum plicatum, and Cenchrus longispinus with Setaria parviflora. Meanwhile, the most distant relationship was found between Imperata cylindrica with Cenchrus longispinus and Setaria parviflora. PCA analysis was also used to identify the most influential morphological characters in distinguishing species. The results of this study provide an initial overview of the taxonomic relationships in the Poaceae family and the importance of morphological characters in plant systematics studies.
Ardi, Budhi Pembuatan Produk Bioplastik sebagai Proyek dalam Pembelajaran STEM-PjBL untuk Meningkatkan Kemampuan Berpikir Kritis Siswa : pembelajaran proyek bioplastik Ardi, Diana Melidyah; Budhi, Henry Setya
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.324-330

Abstract

This research project aimed to obtain data on learning outcomes using the Project-Based Learning (PjBL) method related to STEM activities in honing students' critical thinking skills in bioplastic manufacturing projects. This research used quantitative method with one group pretest-posttest design. The research targets were VII A students of SMP Negeri 1 Nalumsari as many as 22 students. The research instruments were pretest and posttest tests with analysis of homogeneity test, normality test, and N-Gain test. The test results showed that all data were normally distributed and homogeneous, so it was feasible to analyze further. The overall N-Gain average was 0.6029 (medium category), indicating an increase in critical thinking by 60.29% after learning. The indicators with the highest improvement were problem identification and analysis, while problem solving and drawing conclusions experienced low improvement. Although there are differences in each indicator, all stages of PjBL from problem determination to experience evaluation are proven to contribute to the development of students' critical thinking. This research shows that STEM-PjBL through bioplastic projects can be an alternative to contextualized science learning and 21st century skill oriented.
Pengembangan E-Booklet Berbasis Kemandirian Belajar Siswa Pada Materi Suhu, Kalor, dan Pemuaian Kelas VII Ramadhan, Amara Dhiva Shifani; Sjaifuddin, Sjaifuddin; Biru, Lulu Tunjung
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.339-348

Abstract

Penelitian ini bertujuan untuk mengembangkan E-Booklet berbasis pembelajaran mandiri pada topik Suhu, Kalor, dan Pemuaian, sebagai upaya untuk mendukung peningkatan pemahaman konsep dan pengembangan sikap belajar mandiri yang selaras dengan Kurikulum Merdeka. Inisiatif ini dilatarbelakangi oleh temuan lapangan yang menunjukkan rendahnya tingkat kemandirian dan prestasi belajar siswa, serta terbatasnya fasilitas laboratorium yang menghambat pemahaman konsep secara mendalam. Proses penelitian mengikuti model pengembangan ADDIE (Analysis, Design, Development, Implementation, Evaluation) yang termasuk jenis Penelitian dan Pengembangan. Pada tahap pengembangan, e-booklet divalidasi oleh ahli media, ahli konten, dan praktisi, dengan hasil sebesar 81,08%, 93,06%, dan 86,11% masuk dalam kategori “Sangat Valid”. Sementara itu, respon siswa pada tahap implementasi mencapai 86,81% masuk dalam kategori “Sangat Baik”. Temuan ini menunjukkan bahwa E-Booklet yang dikembangkan tidak hanya layak digunakan sebagai bahan ajar alternatif, tetapi juga efektif dalam meningkatkan pembelajaran mandiri di kalangan siswa SMP kelas VII, khususnya dalam menguasai konsep Suhu, Kalor, dan Pemuaian.
KARAKTERISTIK MORFOLOGI POLEN (Calamus acehensis) Asra, Revis; Wahyuni, Silvia; Adriadi, Ade; Febrianti, Arikah
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.349-354

Abstract

Calamus acehensis (Rustiami), known as Aceh jernang rattan, is an endemic plant with high economic value in Aceh Province. This jernang produces red resin from its fruit which is used as a natural dye for rattan handicrafts as well as in traditional medicine, such as wound medicine, headaches, and post-natal pilis. The advantage of C. acehensis over other jernang species lies in its rapid growth and high resin production at a young age. At the age of two years, the plant has reached a height of two meters and started to bear fruit. Distinctive morphological features include stem internodes up to 50 cm, leaves up to 2 meters long, petioles 35 cm long, and black leaf sheaths with long and dense spines. This study aims to assess pollen morphology to determine its pollination system and taxonomic status. Pollen samples were taken from C. acehensis growing in Rieseh Tengoh Village, Aceh and from cultivation in Jambi. Analysis was conducted using a Scanning Electron Microscope (SEM) at the UGM Integrated Research and Testing Laboratory. Results showed that both samples had small pollen size, 1.212 µm (Aceh) and 1.116 µm (Jambi), with a single monocolpate aperture shape and flat exine ornamentation. These characteristics indicate the potential for wind-assisted cross-pollination (xenogamy) (anemogamy), providing important insights for the conservation and cultivation of Acehnese jernang.
Proses Penanganan Rel Aus Pada Lengkung NO.16A KM 4+8/0 Jalur Hilir Lintas Manggarai – Tanah Abang Pamursari, Nurmagita; Fadhilah, Muhamad Farras; Sari, Nurwanda
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.364-371

Abstract

Railways is a unified system consisting of infrastructure, facilities, and human resources, as well as norms, criteria, requirements and procedures for the implementation of railway transportation. Railroad infrastructure is a railway line, train stations and train operating facilities. Railway maintenance activities are preventive measures (preventive) and / or replacement in accordance with the technical age. In this study there are several types of maintenance in handling rail replacement on the Manggarai - Tanah Abang crossing. From this study the total wear that occurred from KM 4+800 to 5+00 reached 232.2 meters of track. Wear occurs in curve number 16A. Then there are several treatments carried out such as checking rail material data, replacing rail roads, maintaining forces and electricity, normalizing arrows, and thermite welding. In this rail replacement, maintenance is carried out by inspecting the railroad, maintaining the lighting force whose height must be adjusted to the radius of the curve, and returning the arrows which require prior calculation in carrying out maintenance. Calculation of arrows and elevation must be in accordance with applicable regulations or standards.
Pengembangan E-LKPD Berbasis Inkuiri Terbimbing Materi Struktur Bumi dan Perkembangannya Untuk Memfasilitasi Kemampuan Berpikir Kreatif Siswa Pada Kurikulum Merdeka Malahayati, Ghina Aghniah; Nulhakim, Lukman; El Islami, R. Ahmad Zaky
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.355-363

Abstract

Teaching materials are one of the important learning supports. Therefore, the teaching materials used by teachers must be interactive and creative. The purpose of this study was to produce valid E-LKPD teaching materials and to describe the results of student responses to teaching materials in the form of E-LKPD based on guided inquiry on the material of earth structure and its development to facilitate students' creative thinking skills in the independent curriculum. The research method used in this study, namely the Research and Development (R&D) method according to Thiagarajan (1974) which has been adjusted to the needs of researchers, namely only up to the dissemination stage, up to the limited trial stage only. The research instruments used in this study, namely the Science Education expert validation sheet which had previously been validated by instrument experts and student response questionnaire sheets. Data analysis in this study was carried out descriptively quantitatively and qualitatively. The research data obtained the results of the validity level of the development of E-LKPD teaching materials based on guided inquiry on the material of the earth's structure and its development with an assessment by a validator of science education experts obtained a percentage of 88.36% and was included in the category of "Very Valid". For the results of student responses to E-LKPD, the percentage was 88% with the category of "Very Good". So that the use of E-LKPD teaching materials based on guided inquiry on the material of the earth's structure and its development can facilitate students' creative thinking skills and can be used for science learning.
Pengembangan LKPD Berbasis Model SSCS (Search, Solve, Create, And Share) Materi Pemisahan Campuran Untuk Menumbuhkan Keterampilan Berpikir Kritis Siswa Kelas VIII SMP Anggraeni, Titi Dewi; El Islami, R. Ahmad Zaky; Nestiadi, Adi
PendIPA Journal of Science Education Vol 9 No 2 (2025): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.9.2.372-380

Abstract

Penelitian ini mempunyai tujuan untuk mencari tahu tingkat validitas dan respon siswa terhadap bahan ajar LKPD berbasis model SSCS untuk menumbuhkan keterampilan berpikir kritis siswa. Digunakan model pengembangan 4-D dengan tahapan define, design, develop, disseminate. Metode yang peneliti pakai ialah metode Research and Development (R&D) dengan instrumen berupa angket wawancara, angket respon siswa, dan angket validasi. Data dianalisis secara deskriptif kuantitatif dan kualitatif. Hasil persentase validasi bahan ajar LKPD yang diperoleh dari validator ahli materi 90,20% (sangat valid), validator ahli bahan ajar 87,70% (sangat valid), validator ahli praktisi 90,97% (sangat valid). Hasil dari tingkat respon siswa menunjukkan nilai persentase dengan rata-rata 86,07% (sangat valid). Melalui temuan tersebut dapat ditarik simpulan bahwa LKPD berbasis model SSCS materi pemisahan campuran dapat siswa gunakan pada kegiatan pembelajaran IPA.

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