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State of The Art Review: Building Computational Thinking on Science Education 科学教育的计算思维构建
IF 0.6 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-06-09 DOI: 10.15294/jpfi.v19i1.41745
Y. Tanjung, M. Azhar, A. Razak, Y. Yohandri, F. Arsih, T. Wulandari, B. Nasution, R. H. Lubis
Industrial Revolution 4.0 requires individuals to have the ability in the field of technology and use it to solve existing problems. Computational Thinking (CT) is one of the skills needed in dealing with technological developments through a problem-solving process. Many research developments in the field of CT have been carried out, but the theoretical studies presented are still limited to the ability in solving problems using a computer. Whereas in its development, CT theory must be adapted to the scope and purpose of building it. Based on that, new research is needed which aims to test and analyze the truth of these findings and examine the stages of building appropriate CT for science students with state-of-the-art review method. By taking a specific scope that has not been studied by many researchers, namely science education, it is found that CT is the ability in dividing a problem into sub-steps, carry out deeper investigations, analyze and criticize and test the truth of something so that the right solution is obtained. This definition is more specific than the definition of CT in theory because it is adapted to the characteristics of science. Whereas from a state-of-the-art review of the stages of building CT, it was found that the stages of task decomposition, abstraction, generalization, data structures and algorithms were considered to optimalize the CT construction for science students. It is because students could identify tasks or problems and divide the problem into small parts at the task decomposition stage. Therefore, they can be completed one by one.
工业革命4.0要求个人具备技术领域的能力,并利用技术解决现有问题。计算思维(CT)是通过解决问题的过程来处理技术发展所需的技能之一。CT领域已经取得了许多研究进展,但目前的理论研究仍然局限于使用计算机解决问题的能力。然而,在CT理论的发展过程中,它必须适应构建CT的范围和目的。在此基础上,需要进行新的研究,旨在测试和分析这些发现的真实性,并用最先进的复习方法为理科学生构建合适的CT的阶段。通过将许多研究人员尚未研究的特定范围,即科学教育,我们发现CT是将问题划分为子步骤,进行更深入的调查,分析、批评和测试事物真相,从而获得正确解决方案的能力。这个定义在理论上比CT的定义更具体,因为它适应了科学的特点。然而,从构建CT的最新阶段来看,发现任务分解、抽象、概括、数据结构和算法的阶段被认为是优化理科学生CT构建的最佳阶段。这是因为学生可以识别任务或问题,并在任务分解阶段将问题分解为几个小部分。因此,它们可以一个接一个地完成。
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引用次数: 0
An Analysis of Students’ Higher Order Thinking Skills Through the Project-Based Learning Model on Science Subject 科学学科项目式学习模式对学生高阶思维能力的影响
IF 0.6 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-06-09 DOI: 10.15294/jpfi.v19i1.34259
K. Khaeruddin, S. Indarwati, S. Sukmawati, H. Hasriana, F. Afifah
The learning and assessment process that is oriented towards Higher Order Thinking Skills (HOTS) is a very urgent task for teachers in schools today. But in practice, the teacher cannot suddenly give an assessment with the HOTS system if the teacher has never been familiar with the HOTS-oriented learning model in the daily learning process. Teachers must carefully design HOTS-based learning and assessment, starting from the preparation, implementation, and evaluation stages based on the revised 2013 Curriculum. The project-based learning model is a learning model that is able to facilitate students in solving problems and higher-order thinking processes. Therefore, the focus of this research is to describe students' higher order thinking skills through a project-based learning model in science subjects at SMPN 33 Makassar. This study used a pre-experimental study with a One-Group Pretest-Posttest design. The sample in this study were 114 students at the junior high school level. The results showed that there was an increase in students' HOTS test scores from the pretest, posttest stage one and posttest stage two. This shows that the project-based learning model contributes to increasing the HOTS of SMPN 33 Makassar students in science subjects. Especially in the aspect of Physics.
面向高阶思维技能(HOTS)的学习和评估过程是当今学校教师的一项非常紧迫的任务。但在实践中,如果教师在日常学习过程中从未熟悉过以HOTS为导向的学习模式,就不可能突然使用HOTS系统进行评估。教师必须根据修订后的2013年课程,从准备、实施和评估阶段开始,精心设计基于hots的学习和评估。基于项目的学习模式是一种能够促进学生解决问题和高阶思维过程的学习模式。因此,本研究的重点是通过一个基于项目的学习模式来描述SMPN 33 Makassar理科科目学生的高阶思维技能。本研究采用一组前测后测设计的实验前研究。本研究的样本为114名初中生。结果表明,学生的HOTS测试成绩在测试前、测试后第一阶段和测试后第二阶段均有提高。这表明,项目学习模式有助于提高SMPN 33望加锡理科学生的HOTS。特别是在物理方面。
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引用次数: 1
Interactive Multimedia Design Based on Cognitive Conflict on Dynamic Fluid Using Adobe Animate CC 2019 基于认知冲突的动态流体交互式多媒体设计
IF 0.6 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-06-09 DOI: 10.15294/jpfi.v19i1.34777
A. Afifah, F. Mufit, H. Hamdi, W. S. Dewi
In the 21st century Science and Technology (IPTEK) is experiencing very rapid development which requires students to have skills in that century. In addition, one of the objectives of learning physics in the 2013 curriculum is to have a good understanding of concepts and principles. However, in reality there are still obstacles in students' understanding of concepts that are still low, including dynamic fluid material. The solution given is to develop interactive multimedia based on cognitive conflict. This study aims to determine the characteristics of interactive multimedia design and determine its validity. This type of research is development research using the Plomp development model which is special to the preliminary research and prototyping stages to the expert review. Preliminary research data obtained from needs analysis through filling out a questionnaire by 3 physics teachers and the validity of the data obtained from 3 physics lecturers. The instruments in this study were teacher questionnaires, self-evaluation sheets and expert validity sheets. Data were analyzed descriptively. This research produces interactive multimedia with characteristics set according to 4 syntaxes of cognitive conflict-based learning models using the adobe animate cc 2019 application. Multimedia is designed to improve students' conceptual understanding of dynamic fluid materials and justify 4C skills. the results of self-evaluation show that multimedia is in the very good category.
在21世纪,科学技术(IPTEK)正经历着非常快速的发展,这就要求学生具备21世纪的技能。此外,2013年课程中学习物理的目标之一是对概念和原理有很好的理解。然而,在现实中,学生对概念的理解仍然存在障碍,包括动态流体材料。给出的解决方案是开发基于认知冲突的交互式多媒体。本研究旨在确定互动多媒体设计的特点并确定其有效性。这种类型的研究是使用Plomp开发模型的开发研究,该模型专门用于初步研究和原型设计阶段,以供专家评审。通过3名物理教师填写问卷进行需求分析获得的初步研究数据,以及3名物理讲师获得的数据的有效性。本研究的工具是教师问卷、自我评价表和专家有效性表。对数据进行描述性分析。本研究使用adobe animate cc 2019应用程序,制作了具有根据基于认知冲突的学习模型的4种语法设置的特征的交互式多媒体。多媒体旨在提高学生对动态流体材料的概念理解,并证明4C技能的合理性。自我评价的结果表明,多媒体属于非常好的一类。
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引用次数: 0
Identifying Middle School Students’ Perceptions of STEAM Careers 中学生对STEAM职业的认知
IF 0.6 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-06-09 DOI: 10.15294/jpfi.v19i1.35912
G. Ozkan, U. Topsakal
The aim of this study was to identify the students' perceptions of STEAM careers. The effect of the STEAM intervention on students’ perceptions was evaluated using one group pretest - posttest experimental design with career questionnaire. The sampling of the study consists of 37 seventh grade middle school students. In the study, STEAM activities were used in the teaching of the Force and Energy unit. First of all, the students were asked about their career choices and their responses were evaluated quantitatively. There was statistically significant difference between the distributions of changes in the number of students choosing STEAM careers. Content analysis also was performed on the findings obtained from the questionnaire. As a result of the study, it was determined that the students increased the percentage of choosing careers in the STEAM career fields such as scientists and engineering. Looking at the interest of students in STEAM fields, one of the biggest changes was in the field of science. One of the important findings of the research was that after the implementation, the majority of the students thought that gender was not important in the success of STEAM career fields. The results of the research revealed that the STEAM education approach can be used a lot to evaluate and improve the academic career choices of middle school students.                                                                            
本研究的目的是确定学生对STEAM职业的看法。STEAM干预对学生认知的影响采用一组前测-后测实验设计和职业问卷进行评估。这项研究的样本包括37名七年级的中学生。在本研究中,STEAM活动被用于力量与能量单元的教学。首先,学生们被问及他们的职业选择,并对他们的回答进行了定量评估。选择STEAM职业的学生人数的变化分布在统计学上存在显著差异。还对问卷调查结果进行了内容分析。研究结果表明,学生在STEAM职业领域(如科学家和工程)选择职业的比例有所提高。从学生对STEAM领域的兴趣来看,最大的变化之一是科学领域。研究的一个重要发现是,实施后,大多数学生认为性别对STEAM职业领域的成功并不重要。研究结果表明,STEAM教育方法可用于评估和改善中学生的学业职业选择。
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引用次数: 0
The Effect of Psycho Cognition Homogeneity Strategies on Students' Understanding of Physics Concepts in Static Fluid Topics 心理认知同质策略对学生对静态流体主题物理概念理解的影响
IF 0.6 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-06-09 DOI: 10.15294/jpfi.v19i1.40325
J. R. Batlolona, J. Jamaludin, M. Diantoro
Students' difficulties related to the concepts underlying the static fluid phenomenon are still lacking serious attention from physics education researchers. This study aims to increase students' understanding of physical concepts in solving conceptual problems related to static fluid phenomena using the Homogeneity Psycho Cognition (HPC) strategy. The analysis was carried out based on student answers to brief description questions and the level of student confidence in the accuracy of the answers. The results of the study show that the HPC strategy can improve students' understanding of concepts. At the initial meeting the students did not understand well and even indicated they had misconceptions. However, after carrying out the learning process, the results of students' understanding of concepts at each meeting are increasing. The increase in students' understanding of physics concepts with the HPC strategy is higher than the increase in students with teacher-centered or conventional learning. Thus, HPC can be recommended to improve students' understanding of physics.
物理教育研究人员对学生在静态流体现象背后的概念方面的困难仍然缺乏重视。本研究旨在使用同质心理认知(HPC)策略解决与静态流体现象相关的概念问题,提高学生对物理概念的理解。分析是根据学生对简要描述问题的回答以及学生对答案准确性的信心水平进行的。研究结果表明,HPC策略可以提高学生对概念的理解。在最初的会议上,学生们没有很好地理解,甚至表示他们有误解。然而,在进行了学习过程之后,学生在每次会议上对概念的理解结果都在增加。采用HPC策略的学生对物理概念的理解增加高于采用以教师为中心或传统学习的学生。因此,可以推荐HPC来提高学生对物理的理解。
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引用次数: 0
E-Module Implementation by Using Feature-Lesson-Based of Moodle in Physics Learning Multimedia Practices for Students of Prospective Physics Teacher 基于Moodle特征课的电子模块在准物理教师学生物理学习多媒体实践中的实现
IF 0.6 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-06-09 DOI: 10.15294/jpfi.v19i1.37176
B. Kurniawan, I. Rahmawati, S. Fawaiz
The rapid development of Information and Communication Technology (ICT) allows tertiary institutions to hold lectures offline, blended, and online. Nonetheless, findings in the field show that online lectures cannot guarantee whether students follow lecture material properly or not. Therefore, this study aimed to implement an e-module of the feature-lesson-based developed by Moodle for physics learning multimedia practice course. This e-module was developed using the ADDIE model which includes analysis, design, development, implementation, and evaluation stages. The developed e-module in this study used the feature-lesson to ensure students follow the material properly and coherently. Students can access the next material if they have mastered the material that has been presented. The data in this study were collected through the responses of prospective physics teacher students who had used the e-module for one semester. Student responses included the use of the feature-lesson to support coherent mastery of the material, the application of the feature-lesson in presenting the learning process through e-modules, the use of quizzes on the feature-lesson to ensure achievement of learning outcomes, and the interest of prospective teacher students in developing online learning using the feature-lesson on Moodle. The results of student responses showed that the e-module implementation of the feature-lesson-based of Moodle in physics learning multimedia practice were in very good criteria. Students liked the feature-lesson because they should follow the order in which the material was given so that it helped them understand the material properly and coherently. In addition, students can understand the material better because when they choosed the wrong answer in a quiz, students would be directed to review material that they have not understood. Students can continue to the next material if they have been able to complete the quiz correctly
信息和通信技术(ICT)的快速发展使高等院校能够在线下、混合和在线举办讲座。尽管如此,该领域的研究结果表明,在线讲座并不能保证学生是否正确阅读讲座材料。因此,本研究旨在实现Moodle开发的基于特征课的物理学习多媒体实践课程电子模块。该电子模块是使用ADDIE模型开发的,该模型包括分析、设计、开发、实施和评估阶段。本研究中开发的电子模块使用特色课来确保学生正确、连贯地阅读材料。如果学生已经掌握了所提供的材料,他们可以访问下一个材料。本研究中的数据是通过使用电子模块一个学期的准物理教师学生的回答收集的。学生的反应包括使用特色课来支持对材料的连贯掌握,通过电子模块展示学习过程中应用特色课,使用特色课上的测验来确保取得学习成果,以及未来的教师学生对使用Moodle上的特色课开展在线学习的兴趣。学生的回答结果表明,Moodle特色课在物理学习多媒体实践中的电子模块实现符合很好的标准。学生们喜欢专题课,因为他们应该遵循材料的顺序,这样可以帮助他们正确、连贯地理解材料。此外,学生可以更好地理解材料,因为当他们在测验中选择了错误的答案时,学生会被引导复习他们不理解的材料。如果学生能够正确完成测验,他们可以继续学习下一个材料
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引用次数: 0
Guided Inquiry Learning Model Using Scientific Argumentation Activities to Improve Concept Understanding on Optical and Light 利用科学论证活动引导探究学习模式提高光学和光概念理解
IF 0.6 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-06-09 DOI: 10.15294/jpfi.v19i1.36626
R. Rahayu, S. Siswanto, C. A. Ramadhanti, B. Subali
Problem-solving ability, as one of the most important skills in the 21st century, must be improved to face the various challenges that exist. This is because solving problems requires mastery of the concepts underlying them. One learning model that can improve conceptual understanding is guided inquiry using scientific argumentation activities. This study aims to analyze the effectiveness of the guided inquiry learning model using scientific argumentation activities to improve junior high school students' conceptual understanding. This quasi-experimental study used a non-equivalent control group design. The results of data analysis using the Wilcoxon test showed that there were significant differences in the pretest and posttest of each class before and after treatment. The results of the Mann-Whitney test at the pretest showed that there was no significant difference, while the posttest showed that there were significant differences between the control class and the experimental class. The results of the N-Gain test in the experimental class in the high category indicate that the use of guided inquiry with scientific argumentation activities could increase students' conceptual understanding more than in the control class in the medium category. The result of the effect size test showed that the use of guided inquiry with scientific argumentation activities has a moderate effect on students' understanding of concepts.
解决问题的能力作为21世纪最重要的技能之一,必须得到提高,以面对存在的各种挑战。这是因为解决问题需要掌握问题背后的概念。一种可以提高概念理解的学习模式是使用科学论证活动的引导探究。本研究旨在分析利用科学论证活动的指导性探究学习模式对初中生概念理解的促进作用。本准实验研究采用非等效对照组设计。采用Wilcoxon检验进行数据分析的结果显示,各班级在治疗前后的前测和后测均有显著差异。前测时的Mann-Whitney检验结果显示无显著性差异,后测时的Mann-Whitney检验结果显示控制班与实验班之间有显著性差异。高类别实验班的N-Gain测试结果表明,在科学论证活动中使用指导性探究比中等类别对照班更能提高学生的概念理解。效应量检验结果显示,在科学论证活动中使用指导性探究对学生概念的理解有适度的影响。
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引用次数: 0
The Feasibility of Guided Inquiry-Based Digital Flipbook Learning Media: Physics Module in Sensing Systems 基于引导探究的数字动画书学习媒体的可行性:传感系统中的物理模块
IF 0.6 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-06-09 DOI: 10.15294/jpfi.v19i1.37133
N. Khaerunnisa, J. Jumadi, H. Yusri, H. K. Indahsari, A. Febrian
Various technology-based learning media have now been widely developed but sometimes in their use some of them are still not maximized properly. The current modernization of education refers to the digitalization of current learning making digital media not only used as a media of communication but also as a medium of learning so that students can carry out learning activities online or blended learning. Online learning or blended learning requires students to be skilled at using digital devices. Besides that, now we are also in the digital era which demands that all aspects of life, including learning activities, participate in training students to use digital systems, one of which is as a learning media. The way to train students' skills in using digital devices is to introduce and familiarize students with using digital media when the learning process starts from the simplest, such as flipbook e-modules. This study aims to determine the feasibility of the digital physics flipbook module in guided inquiry-based sensing. The research method used is research and development research with the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The methods used to collect data are observation, interviews, and questionnaires. The instrument used to collect data is a questionnaire. The feasibility test was carried out by distributing validation sheets to junior high school science teachers, high school physics teachers, and science education students. The research results obtained are the digital physics flipbook module in the sensing system has been feasible to use with a percentage of 80% and is in the very good category. Thus the guided inquiry-based e-module flipbook on physics material in this sensing system has been worthy of being used as teaching materials and learning media for students.
现在已经广泛开发了各种基于技术的学习媒体,但有时在使用中,其中一些媒体仍然没有得到适当的最大化。当前的教育现代化是指当前学习的数字化,使数字媒体不仅作为交流媒介,而且作为学习媒介,使学生能够在网上或混合学习中进行学习活动。在线学习或混合学习要求学生熟练使用数字设备。除此之外,我们现在也处于数字时代,要求生活的各个方面,包括学习活动,都参与培训学生使用数字系统,其中之一就是作为学习媒体。培训学生使用数字设备技能的方法是,当学习过程从最简单的开始时,向学生介绍并熟悉使用数字媒体,例如活页簿电子模块。本研究旨在确定数字物理挂图模块在基于引导探究的传感中的可行性。所使用的研究方法是ADDIE模型的研究和开发研究(分析、设计、开发、实施、评估)。用于收集数据的方法有观察、访谈和问卷调查。用于收集数据的工具是一份调查表。可行性测试是通过向初中科学教师、高中物理教师和科学教育学生分发验证表来进行的。所获得的研究结果是,数字物理动画书模块在传感系统中的使用率已达到80%,属于非常好的类别。因此,在该传感系统中,基于引导式探究的物理材料电子模块动画书值得作为学生的教材和学习媒介。
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引用次数: 0
Analyzing Position, Velocity and Acceleration Graphs using Arduino 利用Arduino分析位置,速度和加速度图形
IF 0.6 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-06-09 DOI: 10.15294/jpfi.v19i1.32246
A. Çoban, R. Salar
Motion graphics and their relationships within the scope of the kinematics unit are difficult topics for students to learn. In this study, an Arduino-based in-class physics activity was developed, in which students can analyze position-time, velocity-time and acceleration-time graphs practically. Within the scope of the study, Arduino UNO and HC-SR04 distance sensors, which are very low cost and easily obtainable, were used in the material development process. Data analyzes were also carried out using the Excel program. The position values and time values of a simple car moving with constant acceleration were collected with the help of Arduino and then these data were transferred to the Excel program. Instant velocity and acceleration values were determined on the Excel platform. Then, graph types and relationships between graphs were analyzed by drawing time-dependent graphs of position, velocity and acceleration with the help of Excel program. The motion acceleration was determined as 2.388 m/s2 both by taking the second derivative of the position-time equation with respect to time and by using the slope of the time-dependent graph of the instantaneous velocity values found. Furthermore, the displacement was calculated as 0.363 m using first and last position values that were directly read from the distance sensor and 0.348 m using the area under the velocity-time graph. The two values are very close to each other, with a difference of +4.1. The change in velocity was calculated as 0.845 m/s by taking the difference of the initial and final velocity and calculating the area under the acceleration-time graph. In addition to providing students with important educational gains in graphic subjects, it is expected that such a study carried out with students in the classroom will also be effective in the development of technological literacy and data analysis skills.
运动学单元范围内的运动图形及其关系是学生学习的难点。本研究开发了一个基于Arduino的课堂物理活动,学生可以在该活动中实际分析位置-时间、速度-时间和加速度-时间图。在研究范围内,Arduino UNO和HC-SR04距离传感器被用于材料开发过程,它们成本非常低,易于获得。数据分析也使用Excel程序进行。在Arduino的帮助下,收集了一辆以恒定加速度行驶的简单汽车的位置值和时间值,然后将这些数据传输到Excel程序中。在Excel平台上确定瞬时速度和加速度值。然后,利用Excel程序绘制位置、速度和加速度随时间变化的图,分析了图的类型和图之间的关系。通过采用位置-时间方程相对于时间的二阶导数和通过使用所发现的瞬时速度值的时间相关图的斜率,运动加速度被确定为2.388 m/s2。此外,使用直接从距离传感器读取的第一个和最后一个位置值计算位移为0.363m,使用速度-时间图下的面积计算位移为0.348m。这两个值非常接近,相差+4.1。通过取初始速度和最终速度之差并计算加速度-时间图下的面积,速度变化计算为0.845m/s。除了为学生提供图形科目的重要教育成果外,预计在课堂上与学生一起进行的这项研究也将有效地发展技术素养和数据分析技能。
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引用次数: 1
The Development of Creative Thinking Test Instruments with Torrance Indicators on Direct Current Electricity Materials 直流电材料托兰斯指标创造性思维测试仪器的研制
IF 0.6 Q4 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-01-01 DOI: 10.15294/jpfi.v18i2.32117
Y. Tanjung, I. R. Nasution
Direct current electricity matter is one of the many physics subjects containing concepts, principles and applied electricity where many problems can be solved with multiple solutions. Efforts to solve problems with multiple solutions and ideas can build students’ creative thinking. So this study aims to develop test instrument for creative thinking on Direct Current Electricity that meets the criteria for a good test instrument including validity, reliability, level of difficulty, discriminating power, and student responses. This type of research is Research and Development (RD) with a modified Borg Gall model consisted of research and information collecting, planning, develop preliminary form of product, preliminary field testing, main product revision, main field testing and operational product revision. Based on data analysis from the aspect of content validation of the test instrument by experts, seven valid items were obtained from the eight questions developed. Based on field testing, it was obtained that the reliability was in high category. In the aspect of difficulty level, the five questions are in easy category and two questions are in medium category. The distinguishing power of this test instrument is in the range of bad category, sufficient category, and good category. The results of the response test showed that respondents agreed that this test instrument was categorized as good to use. Overall, the results of the study indicate that the test instrument has met the requirements of a good test including validity, item analysis and response testing. Thus, the test instrument is feasible to train and measure students’ creative thinking. 
直流电物质是包含概念、原理和应用电学的众多物理学科之一,其中许多问题可以用多种解决方案来解决。努力用多种解决方案和想法解决问题可以培养学生的创造性思维。因此,本研究旨在开发一种用于直流电创造性思维的测试仪器,该仪器符合良好测试仪器的标准,包括有效性、可靠性、难度、辨别能力和学生反应。这类研究是研究与开发(RD),采用改良的Borg-Gall模型,包括研究和信息收集、规划、开发产品的初步形式、初步现场测试、主要产品修订、主要现场测试和操作产品修订。根据专家对测试仪器内容验证方面的数据分析,从开发的8个问题中获得了7个有效项目。现场测试表明,该系统的可靠性属于高可靠性。在难度等级方面,五道题属于容易类,两道题属于中等类。该测试仪器的识别能力在坏类别、充分类别和好类别的范围内。响应测试的结果表明,受访者同意该测试仪器被归类为良好使用。总体而言,研究结果表明,该测试仪器满足了良好测试的要求,包括有效性、项目分析和反应测试。因此,该测试工具对培养和测量学生的创造性思维是可行的。
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引用次数: 2
期刊
Jurnal Pendidikan Fisika Indonesia-Indonesian Journal of Physics Education
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