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All Journal Teknologi dan Kejuruan: Jurnal teknologi, Kejuruan dan Pengajarannya JPTK: Jurnal Pendidikan Teknologi dan Kejuruan Jurnal Sains dan Teknologi INVOTEC Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan Edu Komputika Journal Jurnal Taman Vokasi Jurnal Penelitian Pendidikan IPA (JPPIPA) Home Economics Journal Jurnal Ilmiah Sekolah Dasar Jurnal Teknologi Informasi dan Pendidikan KOLOKIUM: Jurnal Pendidikan Luar Sekolah Jurnal Teknik Mesin dan Pembelajaran Jurnal Pendidikan Teknik Mesin Undiksha Jurnal Pengabdian, Pendidikan dan Teknologi Edu Cendikia: Jurnal Ilmiah Kependidikan Journal of Mechanical and Electrical Technology
Dwi Agus Sudjimat
Universitas Negeri Malang
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Other

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Sokasi Commodity Production: The Utilization of Bamboo Stem Fiber Composite to Create Balinese Local Products Wigraha, Nyoman Arya; Djoko Kustono; Tuwoso; Dwi Agus Sudjimat
JST (Jurnal Sains dan Teknologi) Vol. 13 No. 1 (2024): April
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jstundiksha.v13i1.76654

Abstract

This research aims to determine the optimal combination of a mixture containing bamboo fibre and polyester resin, with the addition of coconut fibre as a reinforcing material. The main objective of this research is to test tensile tests to determine the most suitable strength factor. In addition, this research aims to evaluate how changes in specific parameters affect the tensile characteristics of composite materials. The parameters observed include the proportion of the matrix to the volume of coconut fibre, the percentage of alkali concentration, and the length of the coconut fibre. The composite fabrication stage involves using the hand lay-up and Taguchi methods. The reason for choosing the L4(23) orthogonal experimental design is that there are three process parameters, each with two levels. The trial was duplicated five times. Important factors studied include the ratio of matrix and volume of coconut fibre, alkali concentration, and length of coconut fibre. Based on the results obtained from this research, it has been proven that the most effective combination to achieve the highest tensile strength is a matrix that accounts for 60% of the composition, coconut fibre occupies 20% of the volume, and an alkali concentration of 5.%, and coconut fibre strands measuring 30 mm long. The tensile strength test result of this particular composition was 54.34 MPa. Apart from that, the length of coconut fibre is the most significant factor in increasing tensile strength, with a contribution of 42.560%.
Pengaruh Hybrid Learning Berbasis Tutor Sebaya terhadap Hasil Praktik Pengelasan pada Siswa SMK : The Effect of Peer Tutor-Based Hybrid Learning on Welding Practice Outcomes in Vocational High School Students Denhas Wicaksono; Dwi Agus Sudjimat; Yayi Febdia Pradani
Edu Cendikia: Jurnal Ilmiah Kependidikan Vol. 6 No. 01 (2026): Call for Papers April 2026
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/educendikia.v6i01.8211

Abstract

This study aims to examine the effect of a peer-tutor-based Hybrid Learning model on SMAW welding performance in the 3G position among 11th-grade Welding Engineering students at SMKN 10 Malang. This study involved 2 groups of students: those who studied using peer-tutor-based hybrid learning and those who studied without peer-tutor assistance. The research method used was a quasi-experimental posttest-only control-group design. The research subjects comprised two classes: a control and an experimental class, each with 30 students. The research instrument was an SMAW welding practice test in the 3G position, assessed using a welding results assessment rubric. Data were analyzed using descriptive statistics, the Kolmogorov–Smirnov normality test, Levene's homogeneity test, and an independent-samples t-test. The results showed a significant difference in students' welding practice between the control and experimental classes, with a significance value of sig. <0.05. Thus, it can be concluded that the peer-tutor-based hybrid learning model has a significant effect on SMAW welding performance in the 3G position for vocational high school students. The application of a peer-tutor-based hybrid learning model has a significant effect on SMAW welding performance in the 3G position for students at SMKN 10 Malang, compared to the control class without peer-tutor assistance.
PENGARUH STRATEGI PEMBELAJARAN INKUIRI TERBIMBING BERBANTUAN LABORATORIUM VIRTUAL PADA PEMBELAJARAN TEMATIK TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA SEKOLAH DASAR Iis Lestari; Dedi Kuswandi; Dwi Agus Sudjimat
Jurnal Penelitian Pendidikan IPA Vol 9 No SpecialIssue (2023): UNRAM journals and research based on science education, science applic
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9iSpecialIssue.6262

Abstract

Technological developments in the world of education are very rapid, requiring education to continue to have innovation and renewal in learning approaches to be able to produce generations or highly competitive human resources who are able to have critical thinking skills. The purpose of this research is to determine the differences in critical thinking abilities between students who are taught using a guided inquiry learning strategy assisted by a virtual laboratory and those who are taught using a guided inquiry strategy without the assistance of a virtual laboratory in thematic learning in class V elementary school. This type of research is quasi-experimental, while the research design used is nonequivalent control group design. The sampling technique uses nonprobability sampling with a saturated sampling technique. Meanwhile, the instrument in this research is a test. The results of the research through hypothesis testing using the t test with a significance level of 5%, show that the >  (3,283 > 2,712) and the significant value shows sig < 0.05 (0.002 < 0.05), then  is rejected and  is accepted, so it can be concluded that there is differences in critical thinking abilities between students who were taught using guided inquiry learning strategies assisted by virtual laboratories and those taught using guided inquiry strategies without virtual laboratory assistance in thematic learning in class V of elementary schools
Bahasa Inggris Luthfansyah; Dwi Agus Sudjimat; Yayi Febdia Pradani
Jurnal Teknologi Informasi dan Pendidikan Vol. 19 No. 2 (2026): Jurnal Teknologi Informasi dan Pendidikan
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtip.v19i2.1116

Abstract

This research is motivated by the low learning outcomes of students in the Technical Drawing subject at Vocational Schools due to the dominance of conventional methods that are less able to visualize objects comprehensively. The purpose of this study is to analyze the effect of using digital flipbook learning media on the learning outcomes of class X students of Welding Engineering Expertise Concentration at SMK Negeri 10 Malang. The research method used is quantitative with a One Group Pretest-Posttest design on 70 students selected through a total sampling technique. The research instrument is a validated multiple-choice objective test, and the data are analyzed using the Paired Sample T-Test and N-Gain tests. The results of the study showed a significant increase in the average value from 79.91 to 90.89 with a significance value of 0.000 (p < 0.05). The effectiveness of media use is in the "Medium" category with an average N-Gain of 0.5611. The conclusion of this study states that digital flipbook media has a real influence in improving students' conceptual understanding and cognitive achievement in technical drawing competencies. This media is recommended as a strategic tool to support innovative digital learning transformation in the Independent Curriculum era.
Co-Authors Achmad Fauzi Bahauddin Agus Hery Supadmi Irianti Ahmad Sonhadji K.H., Ahmad Sonhadji Alfin Ageng Nandra Kurniawan Amri, Muhammad Shafiul Ayu Septiana Pratiwi Bella Cornelia Tjiptady Cahyaningrum, Nur Candra Utama Dedi Kuswandi Denhas Wicaksono Dian Prayogi Dianna Ratnawati Didik Nurhadi Djoko Kustono Egithia Alfi Rosydiana Faisol Khoufi Asshidiqi Hakkun Elmunsyah Iis Lestari Imam Sudjono Laili Hidayati Luchyto Chandra Permadi Luchyto Chandra Permadi Permadi Luthfansyah Machmud Sugandi Maftuchin Romlie Makbul Muksar Mariana, Vivi Eka Marji . Marsono Marsono Naana, Tesya Mahdaniya Ode Nidhom, Ahmad Mursyidun Nyoman Arya Wigraha Olga Putriana Wati Purnomo Purnomo R. Mahmud Sugandi Rina Rifqie Mariana Rohman, Mojibur Subandi, Mahfudi Sahly Suwarno Suwarno Thomas Aditya Santoso Toto Nusantara Tri Kuncoro Tuwoso Worowirastri E., Dyah Yayi Febdia Pradani Zain, Mochammad Masyfuk