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All Journal Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Jurnal Teknologi Informasi dan Ilmu Komputer JURNAL KEPERAWATAN SEHAT Indonesian Review of Physics (IRiP) EduMatika: Jurnal MIPA Jurnal Pembelajaran Fisika Journal of Novel Engineering Science and Technology Buletin Edukasi Indonesia Jurnal Penelitian Pembelajaran Fisika
PRASETYO, ERWIN
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Humanities Astronomy Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Physics Social Sciences Other

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STUDI BERAT BADAN ANAK BALITA SETELAH DILAKUKAN PIJAT TUINA  DI POSYANDU DUSUN KEDUNG KLINTER DESA CANGGU KECAMATAN JETIS KABUPATEN MOJOKERTO YUSWO YANI, LASIYATI; PRASETYO, ERWIN
JURNAL KEPERAWATAN SEHAT Vol 14, No 2 (2016): JKS : JULI-DESEMBER 2016 Volume 14No. 02
Publisher : JURNAL KEPERAWATAN SEHAT

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Childrens health needs attention, especially children who do not like to eat so as to require direction to increase appetite. Factors that cause the occurrence of malnutrition is the lack of nutrient intake, because the child is difficult to eat. Tuina massage is an alternative in increasing appetite in small. This study aims to determine the weight of children under five after done tuina massage. Type of research used is one group pre test-post test design. Population in this research is all balita at posyandu Dusun Kedung Klinter Canggu Village Jetis Subdistrict Mojokerto Regency as many as 29 children under five. The sample is some toddlers in Posyandu as many as 16 respondents This research uses purposive sampling, experiment in the form of 8 steps tuina massage and weighing tool balita. After the data collected, then performed data processing through the stages of Editing, Coding. The result of the discussion about the influence of tuina massage in children aged 3-5 years can be concluded that after doing tuina massage body weight of toddlers known that almost all respondents weighing badanya after given tuina massage in fixed category as many as 15 respondents (93,75%). Tuina massage can stimulate the nerves in the digestive system so that the absorption of optimal nutria that can increase the childs weight.Keywords: Weight Gain, Tuina Massage
The Existence of Fourier Coefficients and Periodic Multiplicity Based on Initial Values and One-Dimensional Wave Limits Requirements Jufriansah, Adi; Khusnani, Azmi; Hermanto, Arief; Toifur, Mohammad; Prasetyo, Erwin
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol 10, No 2 (2020)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v10n2.p146-157

Abstract

Physical systems in partial differential equations can be interpreted in a visual form using a wave simulation. In particular, the interpretation of the differential equations used is in the nonlinear hyperbolic model, but in its completion, there are some limitations to the stability requirements found. The aim of this study is to investigate the analytical and numerical analysis of a wave equation with a similar unit and fractal intervals using the Fourier coefficient. The method in this research is to use the analytical solution approach, the spectral method, and the finite difference method. The hyperbolic wave equation's analytical solution approach, illustrated in the Fourier analysis, uses a pulse triangle. The spectral method minimizes errors when there is the addition of the same sample grid points or the periodic domain's expansion with a trigonometric basis. Meanwhile, different ways offer a more efficient solution. Based on the research results, the information obtained is that the Fourier analysis illustrates the pulse triangle use to solve the solution. These results are also suitable for adding sample points to the same spectra. Fourier analysis requires a relatively long time to solve one pulse triangle graph to need another solution, namely the finite difference method. However, its use is still limited in terms of stability when faced with more complex problems.
Literature Study of Understanding the Physical Concepts of Straight Motion Materials Using the Gasing Method Prasetyo, Erwin; Jatmiko, Budi; Jufriansah, Adi
Indonesian Review of Physics (IRiP) Vol 3, No 2 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i2.2236

Abstract

Not all physics concepts must be understood and mastered by deriving formulas through differential or integral techniques. Mechanics, for example, can be understood with simple logic without formulas, variables, and numbers. The fun method, or known as the GASING method, is a science learning method that has been offered by Yohanes Surya since 1996. This method offers fun learning activities for students. This research is a literature review of several books and research articles related to learning physics science using top methods. It turns out that with the spinning method, the concepts of velocity and acceleration in straight motion material can be understood easily and can solve some physics problems about straight motion without complicated physics formulas. All these physics problems are solved by simple logic and expressed in words.
Development Of Stem Integrated Lkpd to Improve the Critical Thinking Ability of Class X Students Syarif, Ratih Ulfah R; Prasetyo, Erwin; Donuata, Pujianti Bejahida
EduMatika: Jurnal MIPA Vol. 3 No. 2 (2023): EduMatika: Jurnal MIPA
Publisher : Lembaga Riset Mutiara Akbar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/emju.v3i2.358

Abstract

This study aims to develop STEM-integrated LKPD in order to train students' critical thinking skills on Newton's law of gravity material so that it is feasible to use. The feasibility of LKPD is seen from the validity, practicality and data n-gain index. The research method used is a 4-D development model consisting of Define, Design, Develop, and Disseminate, but in this study it only reached the develop stage. The validity of LKPD is seen from completeness, content, presentation and language. Practicality can be seen from the responses and activities of students when learning using LKPD. This effectiveness can be seen from the increase in the test results of students' critical thinking skills which were tested limited to 28 students. Research data were analyzed in a quantitative descriptive manner. The results of the validity of LKPD are stated to be very valid with a percentage of 88.9%. LKPD is stated to be very practical with a percentage of 90%. The results of increasing critical thinking skills are expressed by an average n-gain score of 0.61 in the Medium category. From the results of the validity, practicality and n-gain index data, the LKPD developed is feasible to use.
Fun Mathematics Learning Design with an Inquiry Learning Approach to Improve Student Learning Outcomes Rajak, Faysal; Wahyuningsih, Wahyuningsih; Prasetyo, Erwin
EduMatika: Jurnal MIPA Vol. 3 No. 3 (2023): EduMatika: Jurnal MIPA
Publisher : Lembaga Riset Mutiara Akbar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/emju.v3i3.388

Abstract

This study aims to determine the design of a fun mathematics learning with an inquiry learning approach to improve student learning outcomes. This research was conducted at MTs Muhammadiyah Al-Fatah Nangahale in the second semester of the 2021-2022 academic year. The population of this study amounted to 20 students who were all studied. This research uses classroom action research method. Data collection techniques using tests and documentation. The results showed that the design of learning mathematics can please students by using an inquiry learning approach to increase student learning outcomes. In the data analysis, it shows that the first cycle of student learning outcomes with an average of 74.5 with a percentage of 80% while the second cycle of student learning outcomes with an average of 78.34 with a percentage of 85% so that from the average learning outcomes and large percentage of participants students have increased
The Effect of Attenuation on Simulation of Tsunami Wave Propagation Using FDM Ahdiany, Dian; Khusnani, Azmi; Jufriansah, Adi; Prasetyo, Erwin
Journal of Novel Engineering Science and Technology Vol. 3 No. 01 (2024): Journal of Novel Engineering Science and Technology
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/jnest.v3i01.395

Abstract

This study seeks to investigate the shape of the surface of tsunami waves using the finite difference method and the effect of the damping function on the simulation of tsunami wave propagation using Matlab-based visualisation. The effect of attenuation on the propagation of tsunami waves is measured by the variation in energy. The results of the investigation indicate that tsunami waves have a transverse wave form, with waves propagating in a perpendicular direction. In the meantime, the analysis of the damping function reveals a decrease in the value of energy; this indicates that if the damping function is provided, it will have the effect of reducing the wave energy and propagation speed of tsunami waves. This modelling clearly and realistically illustrates the results of wave movement visualisation and provides insight for disaster mitigation and coastal protection.
Pengembangan Laboratorium Virtual untuk Meningkatkan Hasil Belajar Peserta Didik Bogar, Dominika Yonavista; Jufriansah, Adi; Prasetyo, Erwin
Buletin Edukasi Indonesia Vol. 2 No. 03 (2023): Buletin Edukasi Indonesia
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/bei.v2i03.397

Abstract

Pembelajaran fisika merupakan pelajaran dalam rumpun IPA dengan memberikan pengalaman dalam meningkatkan pengetahuan, kompetensi serta sikap percaya diri siswa supaya bisa memahami serta menjelajahi lingkungan sekitar secara objektif. Keterampilan pelajaran IPA dilatih melalui kegiatan praktikum yang menjadikan teknik pelajaran bagi guru dalam membantu peserta didik menguasai mata pelajaran fisika. Ada beberapa hambatan yang dialami guru maupun peserta didik saat melaksanakan praktikum, yakni keterbatasan waktu, laboratorium yang kurang memadai, serta faktor keamanan. Untuk mengatasi masalah tersebut, dibutuhkan guru yang kreativitas dalam mewujudkan pembelajaran yang dilaksanakan pada laboratorium nyata yaitu menggunakan pembelajaran berbasis laboratorium virtual. Penelitian ini bertujuan untuk menghasilkan media pembelajaran serta dapat meningkatkan hasil belajar peserta didik yang berbasis virtual laboratory. Tipe penelitian yang digunakan adalah Research and Development (R&D) mengacu pada model 4-D. Hasil dari penelitian diperoleh  1) media pembelajaran berbasis laboratorium virtual secara keseluruhan berkualitas baik dan layak diterapkan pada proses pembelajaran, 2) media pembelajaran yang dikembangkan sudah diimplementasi melalui instrumen tes hasil belajar kognitif dari kategori tidak tuntas 6,6% dan kategori tuntas 93,3% sehingga skor persentase hasil belajar peserta didik kelas XI IPA yaitu 99,9%.
The Effectiveness of Using Smartphone-Based Phyphox in Field Practice Tilt to Improve Students' Creative Thinking Skills Rusdin, Muhammad Epi; Prasetyo, Erwin; Anwar, Zaina; Pujianti Bejahida Donuata; Nurfadilah; Farizi, Zakaria Al
Jurnal Penelitian Pembelajaran Fisika Vol. 16 No. 2 (2025): APRIL 2025
Publisher : Program Studi Pendidikan Fisika, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jp2f.v16i2.1623

Abstract

The use of technology is a solution to overcome problems in physics learning. This study aims to determine the effectiveness of using Smartphone-based Phyphox in improving students' creative thinking skills. The design used in this research is a nonequivalent pre-test and post-test control group design. This study used a purposive sampling technique to get two groups. The statistical analysis used was independent sample t-test. The results of the analysis showed that there was an effect of using Smartphone-based Phyphox in improving students' creative thinking skills, so it was effective in the learning process. In general, this research can contribute to the field of education, especially physics learning, to optimize the use of technology as a learning medium. This learning strategy allows students to participate directly in proving the concept of the material. In addition, this model can be an alternative to active learning in improving students' creative thinking.
DEVELOPMENT OF PHYSICS MAGAZINE LEARNING MEDIA BASED ON ETHNOSCIENCE TO IMPROVE SCIENCE LITERACY IN JUNIOR HIGH SCHOOL STUDENTS najila; Alfarizi, Zakaria; Prasetyo, Erwin
JURNAL PEMBELAJARAN FISIKA Vol. 14 No. 3 (2025): Jurnal Pembelajaran Fisika (JPF) Universitas Jember
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v14i3.53709

Abstract

The low scientific literacy of junior high school students is caused by the lack of interesting and contextual learning media. This study aims to develop an ethnoscience-based physics magazine as a learning media integrated with local culture. The method used is Research and Development (R&D) with the ADDIE model. Validation was carried out by media and material experts with very good and good results. The magazine was implemented in class VIII MTs At-Taqwa Beru. The results of the pretest and posttest showed a significant increase, from an average of 43.25 to 70, with a significance value of 0.000 and an effect size of 1.68. As many as 75% of students achieved the KKM. The output of this study is an ethnoscience-based physics magazine product that effectively improves students' scientific literacy through a local cultural approach.
Peningkatan Akurasi Klasifikasi Algoritma C 4.5 Menggunakan Teknik Bagging pada Diagnosis Penyakit Jantung Prasetyo, Erwin; Prasetiyo, Budi
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 7 No 5: Oktober 2020
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jtiik.2020752379

Abstract

Perkembangan teknologi yang begitu pesat menjadikan kebutuhan akan suatu informasi semakin meningkat, sehingga keakuratan suatu informasi menjadi suatu hal yang sangat penting, Terutama keakuratan informasi yang dibutuhkan dalam memprediksi penyakit dalam bidang medis. Dalam proses pengumpulan suatu informasi dibutuhkan metode tertentu, sehingga informasi yang telah diproses menjadi sebuah pengetahuan menggunakan suatu metode tertentu disebut dengan penambangan data atau istilah lainnya adalah data mining. Umumnya data mining digunakan untuk memprediksi suatu penyakit yang bersumber dari data rekam medis pasien, khususnya penyakit jantung. Data penyakit jantung diambil dari dataset UCI Machine Learning Repository. Tujuan dari penulis melakukan penelitian ini yaitu untuk mengetahui penerapan teknik bagging pada algoritma C4.5, mengetahui hasil akurasi dalam algoritma C4.5, dan membandingkan tingkat akurasi dari penerapan teknik bagging pada algoritma C4.5. Dataset yang diklasifikasikan dengan algoritma C4.5 memperoleh akurasi sebesar 72,98%. Hasil akurasi ini dapat ditingkatkan dengan menerapkan teknik bagging menghasilkan akurasi sebesar 81,84%, sehingga terjadi peningkatan akurasi sebesar 8,86%  dari penerapan teknik bagging pada Algoritma C4.5. AbstractThe quick development of technology makes the need for information increase, so that the accuracy of the information becomes a very important thing, especially the accuracy of the information needed in predicting diseases in the medical field. In the process of gathering information certain methods are needed, so information that has been processed into knowledge using a certain method is called data mining or other terms is data mining. Data mining is generally used to predict a disease originating from patient medical record data, especially heart disease. Heart disease data is taken from the UCI Machine Learning Repository dataset. The purpose of the authors conducting this research is to determine the application of bagging techniques on the C4.5 algorithm, determine the accuracy of the results in the C4.5 algorithm, and compare the level of accuracy of the application of bagging techniques on the C4.5 algorithm. The dataset classified by the C4.5 algorithm obtained an accuracy of 72.98%. The results of this accuracy can be improved by applying bagging techniques resulting in an accuracy of 81.84%, resulting in an increase in accuracy of 8.86% from the application of bagging techniques in the C4.5 Algorithm.
Co-Authors Adi Jufriansah Ahdiany, Dian Alfarizi, Zakaria Anwar, Zaina Arief Hermanto Azmi Khusnani Bogar, Dominika Yonavista Budi Jatmiko Budi Prasetiyo, Budi Donuata, Pujianti Bejahida Farizi, Zakaria Al Iftitah, Nur Lasiyati Yuswo Yani Moh. Toifur najila Nurfadilah Pujianti Bejahida Donuata Rajak, Faysal Rusdin, Muhamad Epi Rusdin, Muhammad Epi Sina, Tuti Asmiranti Syarif, Ratih Ulfah R Wahyuningsih Wahyuningsih