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Kappa Journal
Published by Universitas Hamzanwadi
ISSN : -     EISSN : 25492950     DOI : -
Core Subject : Science, Education,
Astronomy Physics Other
Kappa Journal (e-ISSN 2549-2950) mempublikasikan artikel hasil-hasil penelitian fisika, inovasi pembelajaran fisika, dan pemikiran-pemikiran kritis tentang fisika maupun pendidikan fisika. Kappa Journal diterbitkan oleh Universitas Hamzanwadi dua kali setahun yakni setiap bulan Juni dan Desember.
Arjuna Subject : -
Articles 419 Documents
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Pengaruh Model Pembelajaran Discovery Learning Berbantu Media Animasi Terhadap Hasil Belajar IPA Siswa Nurmiati, Nurmiati; Fatimah, Waddi; Kamran, Muhammad; Cayati, Cayati
Kappa Journal Vol 7 No 3 (2023): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i3.21480

Abstract

This research aimed to determine the effect of the discovery learning model by anomaly media on the learning outcomes of the fifth-grade students at SDN 010 Salutabang, Mamasa Regency. This research is quantitative research with the type of experimental research with the pre-experimental form of one group pretest-post-test design. The sampel in this study was 11 fifth-grade students consisting of 7 boys and 4 girls. The sampling technique in this study is saturated sampling. The research instruments used were observation sheets, learning achievement tests, and documentation. Data analysis used descriptive analysis and inferential statistical analysis with the help of the SPSS computer program. The results of this study indicate that the teacher’s ability in applying the discovery learning model assited by animation media gets on average value of 3.2, which means it well implemented. The learning outcomes of fifth-grade students are described from the results of the prerequisite test consisting of the normality test results pretest 0.162 ≥ 0,05 and post-test 0.620 ≥ 0,05 normally distributed, homogeneity test results 0.163 ≥ 0,05 which means homogeneous and the results from the hypothesis test 0.000 with Sig criteria (0.000) ≤ α (0,05). So, the results of this study indicate that there is an ifluence of the discovery learning model assisted by animation media on the learning outcomes of fifth-grade students at SDN 010 Salutabang, Mamasa Regency.
Analisis Kemampuan Koneksi Matematis Mahasiswa Teknik Sipil Dalam Menyelesaikan Soal Fisika Dasar Materi Vektor Hidayatulloh, Alpiana; Pratama, Indah Arry; Zaidah, Alpi; Sukandi, Sukandi
Kappa Journal Vol 7 No 3 (2023): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i3.21489

Abstract

Penelitian ini bertujuan menganalisis kemampuan koneksi matematika mahasiswa di dalam menyelesaikan soal tentang vektor.  Subjek di dalam penelitian ini adalah 37 mahasiswa. Untuk melihat kemampuan analisis mahasiswa dilakukan tes evaluasi dengan memberikan 2 soal essay . kemudian analisis tersebut dianalisis  dengan analisis deskriptif kualitatif dengan menyajikan data dalam bentuk tabel. Berdasarkan analisis data bahwa tingkat keberhasilan mahasiswa dalam mengaplikasikan pengetahuan matematika dalam menyelesaikan soal vektor pada setiap nomor adalah  persentase pada soal nomor satu adalah 48% dan soal nomor dua adalah 51% dimana persentase tersebut berada pada skor rendah hal itu terjadi karena mahasiswa  tida memahami penggunaan teori matematika dan cara menghitung yang tidak tepat. 
Uji Kesesuaian Kinerja Generator dan Tabung Sinar-X pada MSCT Philips 128 Slice di Instalasi Radiologi, Rumah Sakit Daerah Mangusada Ramadan Purnama, Muhammad Mada; Sutapa, Gusti Ngurah; Pranditayana, I Nyoman
Kappa Journal Vol 7 No 3 (2023): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i3.22548

Abstract

This research aimed to determine the Compliance test of MSCT Philips 128 Slice generator and X-ray tube performance at Mangusada Hospital in accordance with the tolerance limits based on the BAPETEN Head Regulation of the Republic Indonesia Number 2 of 2022 so that it can be stated that the generator and X-ray performance is in reliable condition. In this research, Raysafe Xi CT and Raysafe Xi R/F were used to measure the output value of radiation dose, tube voltage and HVL thickness on MSCT Philips 128 Slice by carrying out four test activities, namely radiation output reproducibility test, radiation output linearity test,  test, and X-ray beam quality test. The performance test of the generator and X-ray tube has been carried out on MSCT Philips 128 Slice with obtained Coefficient of Variation (CV) value in the radiation output reproducibility test of 0.00278, Coefficient of Linearity (CL) value in the radiation output linearity test of 0.00882,   at a tube voltage of 80 kVp is 6.30280 mGy/100mAs,  at a tube voltage of 120 kVp is 19.59800 mGy/100mAs,  at a tube voltage of 130 kVp is 24.48431 mGy/100mAs, and the HVL thickness at a tube voltage of 120 kVp is 8.79 mmAl. This result show that the performance MSCT Philips 128 Slice generator and X-ray tube in reliable condition.
Pengaruh Penggunaan Laboratorium Virtual Berbasis Web Terhadap Kemampuan Pemecahan Masalah Fisika Peserta Didik Pada Materi Gelombang Bunyi Nurhasanah, Nurhasanah; Sutrio, Sutrio; Makhrus, Muh.; Susilawati, Susilawati
Kappa Journal Vol 7 No 3 (2023): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i3.23080

Abstract

This research aims to determine the effect of using a web-based virtual laboratory on students' physics problem solving abilities on Sound Waves material. The type of research used was quasi-experimental with a Pretest-Posttest Nonequivalen Control Group Design research design. The population in this study were all class XI students at SMAN 6 Mataram. The research sample was obtained using the Purposive Sampling technique, namely XI MIPA 2 with a total of 15 students as the experimental class and class XI MIPA 3 with a total of 15 students as the control class. The sample in this study was only 15 students because the data that will be taken and used as samples are only students who took part in both activities, namely pre-test and post-test, and the population in this study is approximately 100, so the number of samples that can be taken is at least less than 50% of the population size. The test instrument used is in the form of questions describing problem solving abilities. Before the problem solving ability test instrument is given, a trial of the instrument is first carried out, namely testing validity, reliability, level of difficulty and differentiability. The results of the analysis show that the average score for the physics problem solving ability of students taught using a web-based virtual laboratory is 68.60 and the average score for students taught without using a web-based virtual laboratory is 52.67. The results of hypothesis testing using the t-test obtained a calculated  of 3.92. Because the  obtained is greater than the  value, then  is accepted and  is rejected. These results show the influence of using a web-based virtual laboratory on students' physics problem solving abilities in class XI sound wave material at SMAN 6 Mataram.
Analisis Spasial Penentuan Tipe Iklim Menurut Klasifikasi Schmidt-Ferguson Menggunakan Metode Thiessen-Polygon Di Kabupaten Bojonegoro Berdasarkan Data Curah Hujan Tahun 2016–2022 Hidayat, Alyi Savitri Astriyani; Baskoro, Winardi Tjahyo; Unsuriyah, Zumrotul; Yuliara, I Made; Widagda, I Gusti Agung; Pramarta, Ida Bagus Alit; Kurnia, Wenas Ganda
Kappa Journal Vol 7 No 3 (2023): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i3.23128

Abstract

Research on Schmidt-Ferguson climate classification and Thiessen polygon mapping in Bojonegoro Regency, East Java has been carried out based on rainfall data during the 2016–2022 period. The aim of this research is to determine climate types according to the Schmidt-Ferguson classification and the spatial distribution of climate types using the Thiessen Polygon method in Bojonegoro Regency, East Java. This process begins with collecting rainfall data, coordinates and height of rain posts. From the analysis results obtained, Bojonegoro Regency has 4 types of climate based on the Schmidt-Ferguson classification, namely: Very Wet (A), Wet (B), Slightly Wet (C) and Dry (F). While based on Thiessen Polygon mapping, type A distribution has an area of 323.02 km2, climate type B classification covering an area of 962.22 km2, Classification of climate type C covering an area of 669.95 km2 and climate type F classification covering an area of 374.07 km2.   
Analysis of the Science Literacy Competency Profile of High School Students on Limited Energy Sources Agustya, Nabila Ella; Jauhariyah, Mukhayyarotin Niswati Rodliyatul
Kappa Journal Vol 7 No 3 (2023): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i3.23212

Abstract

Learning in the 21st century requires students to have the ability to face the times. One of the essential skills that must be possessed is scientific literacy. Scientific literacy is using scientific knowledge to identify questions, acquire new knowledge, explain scientific phenomena, and draw conclusions based on scientific evidence. This research aims to describe the scientific literacy profile of high school students in the subject matter of limited energy sources. Three competency indicators refer to PISA 2018: a) Explaining phenomena scientifically, b) Evaluating and designing scientific investigations, and c) Interpreting data and evidence scientifically. This research uses a quantitative approach with a descriptive analysis method. The study was conducted in June 2023 in the Even Semester of the 2022/2023 Academic Year at a public high school in Surabaya. The population in this study was 60 students. The instrument used is a scientific literacy test developed with a valid category and a reliability value of 0.811. The results of this study were that students' scientific literacy competency profiles were obtained at 37% low, 33% sufficient, 18% high, and 12% very high. As for the results of the percentage of students' scientific literacy abilities based on scientific literacy competencies, the highest category in the first competency of 63%, namely explaining phenomena scientifically, while the second competency of 62%, namely evaluating and designing scientific investigations obtains a lower percentage than the first competence, and 56%, namely interpreting data and evidence scientifically, has the lowest result among the three scientific literacy competencies.
Eksplorasi Dimensi Efikasi Diri Guru Fisika di Kalimantan Barat Sari, Ira Nofita; Nurussaniah, Nurussaniah
Kappa Journal Vol 7 No 3 (2023): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i3.23730

Abstract

Physics teachers need to pay more attention to each student's unique way of thinking, strive to recognize and correct misunderstandings, and apply cognitive learning methods such as assimilation and accommodation. The use of cognitive dissonance can be used as a tool to change students' way of thinking. Additionally, it is important to simplify experiments and provide practical exercises that can deepen students' understanding. Teachers must also be able to relate lesson material to real life and understand the role of emotions in the teaching and learning process. Therefore, it is necessary to have teacher self-confidence through self-efficacy. This study aims to provide a comprehensive understanding of the condition of educators' self-efficacy in West Kalimantan and its impact on learning. This research is a descriptive research. The population of this research is all physics teachers in West Kalimantan. The sample was selected using probability sampling technique. The number of samples in this study were 100 physics teachers from 13 cities/districts in West Kalimantan. Data collection technique is indirect communication. Data analysis used descriptive statistics, followed by a description of the physics teacher's level of self-efficacy. Based on the research results it was concluded that the average self-efficacy level of physics teachers in West Kalimantan was quite high. The factors measured, namely the efficacy in learning strategies, classroom management, and student involvement all show a good level of self-efficacy. Physics teachers in West Kalimantan demonstrated high efficacy in developing learning strategies and managing classrooms, and had sufficient confidence in engaging students in the learning process.
Analisis Arah dan Kecepatan serta Besar Persentase Fase Angin Menggunakan WRPLOT Tahun 2015-2020 di Stasiun Klimatologi Kelas II Paniki Atas Minahasa Utara Keintjem, Regina Gabriel; Baskoro, Winardi Tjahyo; Buana, Muhammad Candra; Nurmalasari, Nurmalasari; Trisnawati, Ni Luh Putu; Ratini, Ni Nyoman
Kappa Journal Vol 7 No 3 (2023): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i3.23907

Abstract

Weather and climate deviations have resulted in extreme weather in most parts of Indonesia which has triggered a number of natural disasters, such as tornadoes and floods that have occurred in various areas. It is necessary to know this in order to prevent something undesirable from happening. This writing aims to understand wind direction and speed and determine the percent of wind phases using WRPLOT V7.0 from 2015 to 2020. WRPLOT (Wind Rose Plots for Meteorological Data) is a windrose program for meteorological data. This software provides windrose diagram displays, frequency analysis and diagrams for several meteorological data formats. The data taken is wind data with the highest direction and highest speed recorded by the Class II Paniki Atas North Minahasa Climatology Station. Wind direction and speed data from 2015 to 2020 using WRPLOT obtained wind rose and wind speed graphs, namely 7 (from the dominant direction West), 2 (from the dominant direction Southeast), 2 (from the dominant direction South), and 1 (from the dominant direction Northeast), and the percentage of winds blowing from 2015 to 2020 at speeds ≥22 knots, namely more than 60%. Where the percentage of speeds ≥22 knots is highest in September and October with a percentage of 86%, while the percentage of speeds ≥22 knots is lowest in June with a presentation of 68.3%.
Feasibility of Academic Blogs as Learning Media for Electromagnetik Induction Material Angraeni, Lia; Sari, Ira Nofita; Junghin, Noryi; Matsun, Matsun
Kappa Journal Vol 7 No 3 (2023): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i3.23918

Abstract

Based on pre-observation results, researchers found that student learning outcomes in electromagnetic induction material were still below the standards set by the school. This is due to the lack of learning media used. Therefore, it is necessary to develop innovative media that can support learning, namely blog-based learning media. This research aims to determine feasibility according to media experts, feasibility according to material experts, and test students' responses to the media being developed. This research uses Thiagarajan's R&D steps with a 4D model, namely (Define, Design, Develop, and Disseminate), but in its implementation in this research it is modified to 3D, namely Define, Design, and Develop. The results of data analysis show that from the media aspect it is categorized as very appropriate with a score of 91%, from the material aspect it is categorized as appropriate with a score of 75% and the results of student responses to the media being developed are categorized as very feasible with a score of 95%. Based on this, it can be concluded that the learning media with the Academic Blog is said to be suitable for use in learning electromagnetic induction material.
Pharmacokinetic-Pharmacodynamic Study of Metformin Using Oral Glucose Tolerance Test for the Treatment of Type 2 Diabetes Mellitus Kartono, Agus; Yuantoro, Yandra; Wahyudi, Setyanto Tri; Setiawan, Ardian Arif
Kappa Journal Vol 7 No 3 (2023): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i3.23953

Abstract

In this study, a pharmacokinetic-pharmacodynamic simulation will describe a system of glucose and insulin in the human body based on an oral glucose tolerance test with Metformin treatment. This is presented using the oral glucose tolerance test process by adding glucose absorbed function, insulin secretion in the pancreas, and metformin dose. This model can describe the rate of glucose concentration at the same time as Metformin administration. This model applies to subjects with impaired glucose tolerance (pre-diabetes) and type 2 diabetes mellitus. Experimental data are referenced from research that Møller and co-workers have carried out. This model can describe the reduction rate of glucose. This process reduces hepatic glucose production caused by the glucose absorption rate in peripheral tissues. This model also showed that adding a metformin dose could reduce the glucose concentration. The results of the present model show that the value of the deterministic coefficient (R2) has reached above 95%, which means that the results of the present model are good.

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