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Misconception Analysis of Prospective Physics Teachers on Friction Force Materials with Three-Tier Test and Clinical Interviews 用三层测试和临床访谈分析准物理教师对摩擦力材料的误解
Pub Date : 2023-02-01 DOI: 10.20414/konstan.v7i02.109
A. Busyairi, M. Zuhdi
A good and correct understanding of concepts is a fundamental thing that prospective physics teacher students must have before they graduate from college. Therefore, it is necessary to identify conceptions to ensure that no student experiences misconceptions. This study aims to identify misconceptions shared by prospective physics teachers at the final level, especially in friction force material. This type of research is descriptive research. A three-level multiple-choice 30-question instrument with open reasoning for the study. Data collection techniques using tests and interviews. The collected data is then analyzed using descriptive statistics. Based on the results of data analysis, it was found that 46.29% of students experienced misconceptions with details; As many as 50.00% of students experienced misunderstandings in determining the type of friction force, 43.75% experienced delusions in deciding the direction of friction force, and 47.22% experienced misconceptions in assessing the magnitude of friction force.
对概念的正确理解是未来的物理教师学生在大学毕业前必须具备的基本素质。因此,有必要确定概念,以确保没有学生经历误解。本研究旨在找出未来物理教师在最后阶段所共有的误解,特别是在摩擦力材料方面。这种类型的研究是描述性研究。一个三级选择题30题的工具,为研究开放推理。使用测试和访谈的数据收集技术。然后使用描述性统计分析收集到的数据。根据数据分析结果,46.29%的学生对细节有误解;50.00%的学生在确定摩擦力类型时存在误解,43.75%的学生在确定摩擦力方向时存在错觉,47.22%的学生在评估摩擦力大小时存在误解。
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引用次数: 0
The Effectiveness of the Complete Sentence Learning Method with Giving Questions and Getting Answers on Students Physics Learning Outcomes of SMPN 1 Sampaga 完整句提问答题法对学生物理学习成果的影响
Pub Date : 2023-01-23 DOI: 10.20414/konstan.v7i02.225
Fitriani Kadir, Muh. Subhan, I. Permana, I. G. P. Edi Saputra, Syamsuriana Basri
This study will examine the efficacy of employing a mix of Complete Sentence learning approaches by Giving Questions and Getting Answers. The research population of grade VIII students of SMPN 1 Sampaga, for the 2019-2020 school year, and the data collection method using simple random sampling. Using inferential statistical analysis methods, the study tool employed was a test instrument for student observation and learning outcomes. Before adopting the combination of Complete Sentence learning methods with Giving Questions and Getting Answers, student learning outcomes averaged 40.18. According to the Ministry of Education and Culture's requirements, students' cognitive results fell into the low category, with a high percentage of 60.71%. Still, after receiving treatment, it increased to an average value of 75.54. Students with a rate of 50.00% as high. According to the t-test results of hypothesis testing, H0 is rejected, and Ha is accepted. This study's findings support the notion that this teaching strategy enhances students' learning results in energy and effort. The research implies that using the Complete Sentence learning method in conjunction with Giving Questions and Getting Answers should be considered a physics learning approach to enhance learning outcomes.
本研究将考察通过提出问题和获得答案的混合完整句子学习方法的效果。研究对象为Sampaga SMPN 1学校2019-2020学年的八年级学生,数据收集方法为简单随机抽样。采用推理统计分析方法,研究工具是学生观察和学习成果的测试工具。在采用完整句学习方法与提问和回答相结合之前,学生的平均学习成绩为40.18。根据教育和文化部的要求,学生的认知成绩属于低类别,比例较高,为60.71%。然而,在接受治疗后,它增加到平均值75.54。学生的通过率高达50.00%。根据假设检验的t检验结果,H0被拒绝,Ha被接受。本研究的结果支持了这种教学策略在精力和努力方面提高学生学习效果的观点。该研究表明,将完整句子学习方法与提出问题和获得答案相结合,应该被视为一种提高学习效果的物理学习方法。
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引用次数: 0
Meta-Analysis of the Influence of Cooperative Learning Models on Aspects of Learners' Physical Knowledge 合作学习模式对学习者物理知识各方面影响的元分析
Pub Date : 2023-01-06 DOI: 10.20414/konstan.v7i02.108
Rif'il Husniyah, A. Asrizal*, F. Mufit
21st-century learning integrates knowledge, attitudes, and skills with mastery of technology. One solution for the learning demands of the 21st century is to apply a cooperative learning model, especially in physics subjects. Researchers used the methodization method in this study with 20 national article sources. The analysis results are reviewed based on the types of cooperative models, grade levels and physics materials contained in the article. Based on the average effect size, the influence of collaborative learning on aspects of students' physical knowledge was obtained in terms of the three groupings in the high category. It states that cooperative learning models have a very effective influence on physics lessons.
21世纪的学习将知识、态度和技能与对技术的掌握相结合。21世纪学习需求的解决方案之一是采用合作学习模式,特别是在物理学科中。本研究采用方法学方法,选取了20篇国家级文献来源。根据合作模式的类型、年级水平和文章中包含的物理材料对分析结果进行了回顾。从平均效应量来看,协作学习对高类别三组学生物理知识各方面的影响。指出合作学习模式对物理课教学有非常有效的影响。
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引用次数: 0
Analysis of Bullet and Ball Collision using Theoretical Approach 弹球碰撞的理论分析
Pub Date : 2023-01-05 DOI: 10.20414/konstan.v7i02.187
G. Jaya, Samsul Bahri
Collisions between two objects can be analyzed using the concept of the law of momentum conservation. In the case of a collision between two objects, namely a bullet and a ball, it is necessary to analyze using a theoretical approach. This research aims to analyze the velocity and height after a collision. Newton's law of conservation of momentum and Newton's second law in friction conditions are used as the basis of Calculation analysis using analytical and numerical methods. There are air friction coefficients with variations of 0.1, 0.2, 0.3, 0.4, and 0.5 N.s/m. This type of bullet used a 9 mm calibre with a velocity of 380 m/s. The mass of the bullet and ball is 0.008 kg and 0.3 kg, respectively. The results showed that increasing the air fraction coefficient resulted in lower velocity and height achieved by bullet and ball. The increasing discretization value makes the results of numerical calculations consistent with analytical calculations.
两个物体之间的碰撞可以用动量守恒定律的概念来分析。在两个物体碰撞的情况下,即子弹和球,有必要用理论方法进行分析。本研究旨在分析碰撞后的速度和高度。以牛顿动量守恒定律和牛顿第二摩擦定律为基础,采用解析法和数值法进行计算分析。空气摩擦系数的变化范围为0.1、0.2、0.3、0.4和0.5 N.s/m。这种类型的子弹使用9毫米口径,速度为380米/秒。子弹和球的质量分别为0.008千克和0.3千克。结果表明,空气分数系数的增大会降低子弹和球的速度和高度。离散化值的增大使数值计算结果与解析计算结果一致。
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引用次数: 0
Analysis of Teacher Assessment on the Effectiveness Of Problem-Based Learning in Improving Student Learning Outcomes at MA Putri Al-Ishlahuddin Kediri Lombok Barat 基于问题的学习在提高学生学习成果方面的有效性的教师评价分析
Pub Date : 2023-01-05 DOI: 10.20414/konstan.v7i02.156
Lalu Pradipta Jaya Bahari, Akhmad Asyari, N. Nurjannah
Physics is a subject that has a relatively small number of enthusiasts—caused by the factors that influence student achievement in learning physics, which are considered less attractive or do not significantly impact learning outcomes. This study aimed to determine the effectiveness of the Problem-Based Learning (PBL) learning model on student performance in improving psychomotor aspects and student learning outcomes in physics lessons. The method used in this research is descriptive quantitative with the sampling technique using simple random sampling. The data collection technique uses a questionnaire filled out by the teacher during teaching and learning activities in class. The results showed that based on the theory put forward by Arikunto, the resulting percentage value was 90.4% with a good predicate based on its effectiveness in improving student performance in learning. The conclusion from this research is the high level of student performance in the learning process. Because students are required to always be active in working together to solve and make solutions to problems set by the teacher, this research is considered suitable and recommended to be applied to further studies that have constraints on students' performance and learning outcomes.
物理是一门爱好者相对较少的学科,这是由于影响学生学习物理成绩的因素造成的,这些因素被认为不那么有吸引力或对学习结果没有显著影响。本研究旨在探讨基于问题的学习模式在物理课程中对学生精神运动方面的改善和学习效果的影响。本研究采用的方法是描述性定量,采用简单随机抽样的抽样技术。数据收集技术采用教师在课堂教学活动中填写的问卷。结果表明,基于Arikunto提出的理论,得出的百分比值为90.4%,基于其对提高学生学习成绩的有效性,谓语良好。本研究的结论是学生在学习过程中的表现水平较高。由于教师要求学生始终积极合作解决教师布置的问题,因此本研究被认为是合适的,建议应用于对学生的表现和学习成果有约束的进一步研究。
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引用次数: 0
Simulating the Dynamics of Stock Price via PSO-Assisted Quantum Anharmonic Oscillator Model: Case of Jakarta Composite Index 用pso辅助量子非谐振子模型模拟股票价格动态:以雅加达综合指数为例
Pub Date : 2023-01-05 DOI: 10.20414/konstan.v7i02.203
T. Sumaryada, Anisah Rahajeng Kartika Sari, A. Kartono
The Jakarta Composite Index (JCI) stock price dynamics have been modeled by a quantum anharmonic oscillator and the PSO (Particle Swarm Optimization) Algorithm. Some of the constants that affect the probability density of return are the ability of the market makers to control the market (γ), the behaviour of contrarians and the trend followers to the price return (c), and the investor behaviour towards perceived volatility (k). The simulation results have produced the slightest error of the JCI at 8.36% for the opportunity density and 3.6% for the stock price returns. Forward prediction for the next three months using the exponential smoothing method resulted in a 17.77% error in the opportunity density of the stock price return and a 10.6% error in the stock price return. Based on those results, it can be concluded that the stock price dynamics can be modelled using an anharmonic quantum oscillator where the value of liquidity and volatility in the previous period affects the investor and the stock's price return in the next period.
采用量子非谐振子和粒子群优化算法对雅加达综合指数(JCI)股票价格动态进行了建模。影响收益概率密度的一些常数是做市商控制市场的能力(γ),逆向投资者和趋势追随者对价格回报的行为(c),以及投资者对感知波动的行为(k)。模拟结果产生的JCI在机会密度和股票价格回报方面的误差最小,分别为8.36%和3.6%。采用指数平滑法对未来3个月进行前向预测,股价收益的机会密度误差为17.77%,股价收益误差为10.6%。基于这些结果,可以得出结论,股票价格动态可以使用非调和量子振荡器建模,其中前一时期的流动性和波动性值影响投资者和下一时期的股票价格回报。
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引用次数: 0
Pengembangan Work and Energy Physics Mobile App (WEPMA) Berbasis Android 彭邦安工作与能源物理移动应用(WEPMA)基于Android
Pub Date : 2022-12-31 DOI: 10.20414/konstan.v7i02.159
Nugroho Prasetya Adi, M. Zaini
Tujuan dari penelitian ini adalah menghasilkan WEPMA pada materi usaha dan energi yang  layak dari segi materi, media, serta respon pendidik. Metode penelitian yang digunakan adalah penelitian dan pengembangan (R&D), dengan menggunakan model 4D (Define, Design, Develop, dan Disseminate). Produk yang dikembangkan adalah media pembelajaran fisika berbasis mobile phone pada materi usaha dan energi yang terdiri dari 6 komponen utama yaitu beranda, kompetensi, materi, simulasi, quiz, dan profil. Hasil penelitian menunjukkan bahwa WEPMA dapat digunakan sebagai media ajar pada mata pelajaran fisika materi usaha dan energi berdasarkan penilaian ahli dengan kategori sangat baik untuk media, materi, dan respon pendidik.
本研究的目的是在材料、媒体和教育工作者的反应方面,为WEPMA提供可行的商业和能源材料。使用的研究方法是研发(R&D),使用的是4D模型(定义、设计、Develop和disdistion)。开发的产品是一种基于移动电话和能源的物理学习媒介,它由门廊、能力、材料、模拟、测验和轮廓组成。研究结果表明,WEPMA可以根据专家对媒体、材料和教育反应的高度分类,用作研究物质努力和能源的媒介。
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引用次数: 0
Deviation Analysis of Temperature Distribution in Copper Bar Heat Conduction Process Experiments Against Numerical Calculations 铜棒导热过程实验温度分布与数值计算的偏差分析
Pub Date : 2022-12-31 DOI: 10.20414/konstan.v7i02.190
R. F. Muldiani, K. Hadiningrum, D. Pratama
In the process of heat transfer by conduction, besides the quantities in the form of surface area, length or thickness of the rod, and the temperature difference between the ends of the rod and the value of the thermal conductivity, other factors also affect the rate of heat transfer to the rod, one of which is environmental factors. As long as heat flows from the high to the low temperature, the temperature decrease is not uniform at any time interval. This is a sign of the influence of the ambient temperature for each part of the material. Temperature observations were carried out experimentally in an open environment in the laboratory and then compared with the results of numerical calculations as the ideal condition for the heat conduction process. The Boltzmann transport equation for the induction process on metal rods is solved using finite differences with an explicit method to obtain the temperature distribution. The results showed differences in the temperature distribution pattern of copper rods with numerical calculations and experiments. This difference is caused by the amount of heat released into the environment. The higher the temperature at the observation point, the greater the heat released into the atmosphere.
在传导传热过程中,除了以棒材的表面积、长度或厚度、棒材两端的温差和导热系数等形式表现出来的量外,其他因素也会影响到棒材的传热速率,其中之一就是环境因素。只要热量从高温流向低温,温度降低在任何时间间隔都不是均匀的。这是环境温度对材料各部分影响的标志。在实验室开放环境下进行了温度观测实验,并与数值计算结果进行了比较,作为热传导过程的理想条件。用有限差分法求解了金属棒上感应过程的玻尔兹曼输运方程,得到了温度分布。数值计算和实验结果表明,铜棒的温度分布规律存在差异。这种差异是由释放到环境中的热量造成的。观测点的温度越高,释放到大气中的热量就越多。
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引用次数: 0
Development of Ethnoscience-Based Physics E-Module Using Kvisoft Flipbook Maker to Improve Students' Science Literacy Skills 利用Kvisoft Flipbook Maker开发基于民族科学的物理电子模块,提高学生的科学素养
Pub Date : 2022-12-31 DOI: 10.20414/konstan.v7i02.191
Endang Yulyanti, Arif Maftukhin, R. W. Akhdinirwanto
Research on the development of an ethnoscience-based physics e-module using the kvisoft flipbook maker was carried out on business and energy materials which aims to determine the feasibility of the e-module in terms of validity, effectiveness, and practicality to improve students' scientific literacy skills. The 4D research model used in this research is (1) define or define, (2) design or design, (3) develop or develop, and (4) disseminate or disseminate. This research was conducted at SMA Negeri 1 Majenang with students of class X MIPA 4 who were used as research subjects in a limited trial totaling six students and a broad trial totaling 30 students. The instruments used in this study were validation sheets, lesson plans implementation sheets, student activity sheets, scientific literacy test sheets, student response questionnaires, and note sheets for learning activities constraints. Data analysis techniques are quantitative, n-gain, and t-test. The results of the study were (1) the validity of the ethnoscience-based physics e-module using the kvisoft flipbook maker was declared valid, (2) the practicality of the ethnoscience-based physics e-module using the kvisoft flipbook maker, which can be seen from the implementation of the lesson plan obtained an average score of 3.77 with categories convenient and the reliability test is 95.3% which is included in the very reliable category, (3) The effectiveness of the ethnoscience-based physics e-module using the kvisoft flipbook maker can be seen from the results of the increase in scientific literacy ability learning outcomes that get an N-gain value of 0.65 which is included in the moderate category, student response questionnaires in the outstanding category, and student activities in the outstanding category. The results of the ethnoscience-based physics module research using the kvisoft flipbook maker were declared feasible to improve students' scientific literacy skills.
利用kvisoft flipbook maker对基于民族科学的物理电子模块的开发进行了基于商业和能源材料的研究,旨在确定电子模块在有效性,有效性和实用性方面的可行性,以提高学生的科学素养技能。本研究使用的四维研究模型为(1)定义或定义,(2)设计或设计,(3)开发或开发,(4)传播或传播。本研究是在SMA Negeri 1 Majenang进行的,研究对象是mipa4 X班的学生,他们被用作研究对象,在一个有限的试验中有6名学生,在一个广泛的试验中有30名学生。本研究使用的工具包括验证表、课程计划实施表、学生活动表、科学素养测试表、学生回答问卷和学习活动约束备注表。数据分析技术有定量、n增益和t检验。研究结果表明:(1)kvisoft flipbook maker民族科学物理电子模块的效度为有效,(2)kvisoft flipbook maker民族科学物理电子模块的实用性,从教案的实施情况可以看出,该教案的平均得分为3.77分,类别方便,信度测试为95.3%,属于非常可靠的类别。(3)使用kvisoft flipbook maker开发的基于民族科学的物理电子模块的有效性可以从科学素养能力学习成果的提高结果中看出,其中科学素养能力学习成果的n增益值为0.65,被纳入中等类别,学生回答问卷被纳入优秀类别,学生活动被纳入优秀类别。使用kvisoft flipbook maker进行基于民族科学的物理模块研究,结果表明该模块对提高学生的科学素养技能是可行的。
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引用次数: 0
Constructivism-Based Science Practicum In Philosophy Perspective 哲学视野下基于建构主义的科学实践
Pub Date : 2022-12-30 DOI: 10.20414/konstan.v7i02.196
Bakhtiar Ardiansyah, M. Sarjan, A. Muliadi, Asrul Azizi, Hamidi Hamidi, Iswari Fauzi, M. Yamin, Muh Zaini Hasanul Muttaqin, Mulia Rasyidi, Rindu Rahmatiah, S. Sudirman, Y. Khery
This article aims to describe philosophically related to Constructivism-Based Science Practicum. This article uses a qualitative descriptive approach. Information was obtained based on observations, experience, and a literature review from several journal literature. Philosophical studies can strengthen ontology related to the nature of constructivism-based science practicum, a science practicum that leads to constructing students' thinking so that knowledge, skills, and attitudes are increasing. Epistemologically (usefulness), constructivism-based science practicum can improve students' concepts and skills in understanding science concepts. Axiologically (Universal values) constructivism-based science practicum can be obtained from science practicum activities that shape scientific attitudes and behaviour in general.
本文旨在从哲学的角度描述建构主义基础上的科学实践。本文采用定性描述方法。这些信息是基于观察、经验和从一些期刊文献中获得的文献综述。哲学研究可以加强与建构主义科学实践性质相关的本体论,这种科学实践引导学生构建思维,从而增加知识、技能和态度。在认识论(有用性)上,建构主义科学实践可以提高学生的概念和理解科学概念的技能。基于价值论(普世价值)建构主义的科学实践可以从塑造科学态度和行为的科学实践活动中获得。
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引用次数: 0
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KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA
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