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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 36 Documents
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Search results for , issue "Vol 6 No 2 (2022): Desember" : 36 Documents clear
Pengaruh Model Guided Discovery Learning Berbantuan Media Simulasi PhET Terhadap Prestasi Belajar Fisika Peserta Didik Baiq Nabila Saufika; Syahrial Ayub; Aris Doyan
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.6678

Abstract

The research is aimed to influence of guided discovery learning model assisted by PhET simulation media on students' learning achievement in physics. The type of research used is quasi-experiment research with a nonequivalent control group design. The population used is the students of class X IPA SMAN 1 Kediri. Sampling using saturated sampling technique with all members of the population as a sample, where class X IPA 1 is the experimental class and X IPA 2 is the control class. The technique of data analysis was carried out by a polled variance t-test. The results of the t-test indicate that the value of    is greater than  at a significant level of 5% so Ha is accepted, which means that students' physics learning achievement on the subject of momentum and impulse has increased after being given treatment. The highest increase occurred in the class using a guided discovery learning model assisted by PhET simulation media. Based on the results of the study, it can be concluded that there is an effect of the guided discovery learning model assisted by PhET simulation media on students' physics learning achievement.
Analisis Perbandingan Nilai Efektivitas Koefisien Absorbsi pada Pelepah Pisang dan Eceng Gondok Feby Zulhiyah; Muhammad Sholeh; Ratna Woro Susanti; Lambang Subagiyo; Atin Nuryadin
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.5881

Abstract

Kebisingan menjadi suatu masalah yang tengah dihadapai oleh masyarakat terutama masyarakat yang tinggal didaerah perkotaan yang sangat ramai oleh berbagai macam aktivitas. Bahan pernyerap suara atau bahan akustik adalah bahan khusus yang dibuat untuk fungsi menyerap bunyi pada frekuensi tertentu. Material yang bersifat lembut, berpori dan berserat diyakini mampu menyerap energi suara yang mengenainya. Pelepah pisang dan eceng gondok adalah salah satu contoh material alami dengan karakteristik berpori. Percobaan ini menggunakan metode tabung impedansi, dengan pengukuran intensitas bunyi yang divariasikan dari level 1 hingga level 5 pada frekuensi 200 Hz, 400 Hz, 600 Hz, dan 800 Hz. Berdasarkan hasil nilai koefisien absorbsi, pelepah pisang memiliki koefisien absorbsi tertinggi pada frekuensi 800 Hz, sedangkan eceng gondok memilki koefisien absorbsi tertinggi pada frekuensi 600 Hz. Sehingga pelepah pisang lebih efektif daripada eceng gondok, sebagai bahan akustik alami.
Kemampuan Berpikir Kritis Peserta Didik Pada Pembelajaran Fisika Materi Getaran Harmonik Dengan Pendekatan Saintifik Risma Hidayati; Muh. Makhrus; Sutrio Sutrio
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.6994

Abstract

. This study aims to determine the critical thinking skills of students on the material of harmonic vibrations at SMAN 1 Praya Tengah through a scientific approach. This research is a development research with 4D model. The population in this study were all students of class X MIPA 1 SMAN 1 Praya Tengah, totaling 24 students. Data collection on critical thinking skills was carried out by conducting a pretest and posttest in the form of a description test of 10 questions. The results of data analysis determine the level of students' critical thinking skills using a scientific approach. The results showed that the scientific approach can improve critical thinking skills with an n-gain score of 0.578 in the medium category. The scientific approach has been successfully applied to improve critical thinking skills.
Implementasi Model Project Based Learning untuk Meningkatkann Keterampilan Dasar Mengajar yang Dimiliki oleh Mahasiswa Calon Guru Hikmawati Hikmawati; I Wayan Suastra
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.7001

Abstract

Basic teaching skills are the competencies of prospective teacher students that must be trained before they teach directly in the real class. The purpose of this study is to improve the basic teaching skills possessed by prospective teacher students through the implementation of the Project Based Learning (PjBL) model. The research subjects included all prospective physics teacher students who took part in the following lectures: Micro Teaching in Class VI-E, Physics Education Study Program, University of Mataram, Academic Year 2021/2022, as many as 15 students. The project assigned was in the form of making the 1st teaching simulation video and 2nd teaching simulation video. The basic teaching skills assessment instrument is an observation sheet on a teaching simulation video which includes eight components, namely: opening and closing lessons skills, classroom management skills, skills to provide reinforcement, skills to guide small group discussions, basic questioning skills, advanced questioning skills, skills to explain lessons, variety skills. The assessment score uses a scale of 5 which is then expressed in the form of a percentage. The increase in score was calculated using the N-gain test. The results showed that the initial score was 65.0, while the final score was 83.7, so the N-gain value was 53.9. Thus, the basic teaching skills possessed by prospective physics teacher students through the implementation of the PjBL model increased with the improvement criteria being in the medium category.
Pengembangan Perangkat Pembelajaran Fisika Berbasis Model Problem Based Learning Berbantuan Simulai PhET untuk Meningkatkan Pemahaman Konsep Peserta Didik Sri Ainun Wahyuni; Jannatin 'Ardhuha; I Wayan Gunada; Gunawan Gunawan
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.6509

Abstract

This development research aimed to create physics learning tools based on problem based learning model using PhET simulation that are feasible, practical and effective to improve students' conceptual understanding. This research is a Research and Development (R&D) using 4D model developed by Thiagarajan (1974) which is consisted of define, design, develop, and disseminate. The learning tools being developed were syllabus, lesson plan, material, students' worksheet, and instrument of concept comprehension. The results of product validity developed as a whole from expert validators and practitioners have a very valid and reliable category with an average percentage above 75%, so it can be said to be feasible. The results of the practicality of the product developed of a teacher and student response questionnaire have a very practical category. The results of the N-Gain test for understanding the physics concepts of students obtained a moderate improvement category and were included in the quite effective category. So it can be conluded that the resulting development product is feasible, very practical and effective enough to improve students’ understanding of physics concepts.
Performance Assessment in STEM-EDP Project for High School Students: Validity Aspect Roro Dinda Althaf Farah Zayyan Azizah; Nurul Fitriyah Sulaeman; Laili Komariyah
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.5799

Abstract

Performance assessment is an assessment with written, action, and assignments that can provide better feedback on student performance and skills. The purpose of this research is to produce a valid performance assessment to be used in the assessment of STEM-EDP activity for global warming subjects. This research is an earlier stage of development research using the ADDIE development model with three stages, that is Analysis, Design, Development, while the implementation will be conduct as follow-up research. The performance assessment that has been developed is tested by expert judgement. The results of the validity test by two Physics Education lecturers at Mulawarman University and one teacher at SMA Negeri 5 Samarinda obtain that aspects of readability, aspects of suitability, aspects of construction, and aspects of product usability, each scored obtaining 88%, 82%, 85%, and 87% respectively that indicates that the four aspects are in the very good category. Based on these results, the STEM-EDP performance assessment of global warming subjects are suitable to use in implementation stage. 
Efektivitas Pengembangan Modul Fisika Berbasis Problem Based Learning untuk Meningkatkan Penguasaan Konsep Pada Materi Getaran Harmonis Elza Ulfani; Susilawati Susilawati; I Wayan Gunada
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.6814

Abstract

The research has been carried out on the effectiveness of the development of physics modules based on problem-based learning to improve mastery of concepts in the material of harmonic vibrations. This study aims to produce a product in the form of an effective problem-based learning physics module to improve students' mastery of concepts in harmonic vibration material. This research is a type of research development or Research and Development (R&D) using the ADDIE model which consists of the Analysis, Design, Development, Implementation, and Evaluation stages. This article only discussed the implementation stage. The research instrument used is a concept mastery test instrument which is arranged according to the concept mastery indicators, namely C1 to C6 which consists of remembering (C1), understanding (C2), applying (C3), analyzing (C4), evaluating (C5) and creating (C4). C6). Data collection techniques used a pretest at the beginning of learning and a posttest at the end of learning. The effectiveness of the module was analyzed by the N-gain test. Based on the results of the analysis of the pretest and post-test scores, an average N-gain value of 0.67 was obtained in the medium category, it can be concluded that the problem-based learning-based physics module is effective for improving students' mastery of concepts in harmonic vibration material.
Deskripsi Kebutuhan Guru dan Siswa Terhadap Media Pembelajaran Fisika Vina Tri Utami; Neneng Arini; Hadma Yuliani; Nadia Azizah
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.6178

Abstract

Description of the needs of teachers and students is one of the information services to describe a state of learning in the classroom. This study aims to determine the physics learning process regarding (1) obstacles in learning, (2) understanding of the material, (3) the use of teaching materials, (4) the use of learning media, (5) a description of the need for media use. This research was conducted by interviewing physics teachers at MAN 2 Pulang Pisau and distributing offline to students in class XI MIA I and XI MIA II. Each class is 20 so that the sample used is 40 students. The method used in this research is a combination of qualitative and quantitative descriptive (Mixed Methods). The data analysis technique used is a qualitative analysis in the form of interviews and a quantitative stage in the form of a questionnaire. The results of the study: (1) obstacles in learning according to teachers and students, namely it is difficult to understand the learning material because there are too many similarities (87.5%); (2) Teachers and students said students had more difficulty understanding static fluid material compared to other materials (90%), (3) teaching materials used according to teachers and students in learning were in the form of textbooks (92.5%), (4) Teachers say they never use learning media, while students use learning media only in the form of worksheets (87.5%), (5) Teachers and students say they really need print media in the form of comic-based media this is to make it easier to understand the material and be motivated in learning ( 97.5%).
Pengaruh Model Pembelajaran Berbasis Masalah Terhadap Kemampuan Pemecahan Masalah dan Berpikir Kritis Peserta Didik Rosiatul Ismi; Ni Nyoman Sri Putu Verawati; I Wayan Gunada
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.6715

Abstract

This study aims to determine whether there is an effect of the problem-based learning model on the problem-solving and critical thinking skills of class XI students of SMAN 1 Praya Tengah. experimental and control classes, where class XI IPA 2 is the experimental class and class XI is IPA 3 is the control class. The experimental class was given treatment in the form of applying a problem-based learning model and the control class was given treatment in the form of applying a direct instruction learning model. Data on problem-solving abilities and critical thinking were measured using a comparison of the initial test with the final test in the form of 8 essay questions to measure problem solving abilities and 4 essay questions. to measure students' critical thinking skills. The research hypotheses were tested with the manova test with a significant level of 5%. Based on the results of the analysis that has been carried out, the results of the hypothesis that Ho is rejected and H is accepted. So it can be concluded that there is an effect of problem-based learning model in improving problem solving and critical thinking
Analisis Dosis Efektif pada Pemeriksaan Computer Tomography (CT) Scan Abdomen di RSU Bali Jimbaran Farah Sukmana; Gusti Ngurah Sutapa; I Gde Antha Asmawan; Rozy Irhaz
Kappa Journal Vol 6 No 2 (2022): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v6i2.6115

Abstract

Telah dilakukan analisis dosis efektif dalam pemeriksaan CT Scan abdomen di RSU Bali Jimbaran. Penelitian dilakukan dengan menggunakan data sekunder hasil pemeriksaan CT Scan abdomen seperti nilai CTDIVol, DLP, arus, tegangan dan panjang scan. Data dikelompokkan berdasarkan jenis kelamin yakni 25 orang pasien laki laki dan 25 orang pasien perempuan. Nilai dosis efektif didapatkan dari hasil kali nilai DLP dengan faktor konversi (k). Analisis dosis efektif dilakukan menggunakan nilai DRL standar peraturan Kepala Bapeten dan ICRP 102. Dari hasil perhitungan diperoleh dosis efektif pada pasien laki laki sebesar 5,8707±0,80 mSv sedangkan pada pasien perempuan sebesar 5,5261±1,08 mSv. Nilai-nilai dosis tersebut masih sesuai dengan standar yang ditetapkan oleh Bapeten dan ICRP sehingga pesawat CT Scan tersebut masih layak digunakan untuk pemeriksaan CT Scan abdomen

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