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Physics Education Research Journal
Published by Universitas Islam Negeri Walisongo Semarang
ISSN : 26856190     EISSN : 27147746     DOI : 10.21580/perj
Core Subject : Science, Education,
Education Physics
Physics Education Research Journal (PERJ) publishes original manuscripts by researchers, lecturers, teachers, practitioners, and academicians related to physics and physics education. Articles that are integrated Unity of Sciences (local wisdom and enriched with the principal of religion and culture) will be prioritized. This journal is a peer-reviewed and open acces journal, which is biannually published by Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 130 Documents
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Predicting Physics Students’ Achievement Using In-Class Assessment Data: A Comparison of Two Machine Learning Models Santoso, Purwoko Haryadi; Santosa, Hayang Sugeng; Istiyono, Edi; Haryanto, Haryanto; Retnawati, Heri
Physics Education Research Journal Vol 5, No 2 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.2.14217

Abstract

Data is the primary source to scaffold physics teaching and learning for teachers and students, mainly reported through in-class assessment. Machine learning (ML) is an axis of artificial intelligence (AI) study that immensely attracts the development of physics education research (PER). ML is built to predict students’ learning that can support students’ success in an effective physics achievement. In this paper, two ML algorithms, logistic regression and random forest, were trained and compared to predict students’ achievement in high school physics (N = 197). Data on students’ achievement was harvested from in-class assessments administered by a physics teacher regarding knowledge (cognitive) and psychomotor during the 2020/2021 academic year. Three assessment points of knowledge and psychomotor were employed to predict students’ achievement on a dichotomous scale on the final term examination. Combining in-class assessment of knowledge and psychomotor, we could discover the plausible performance of students’ achievement prediction using the two algorithms. Knowledge assessment was a determinant in predicting high school physics students’ achievement. Findings reported by this paper recommended open room for the implementation of ML for educational practice and its potential contribution to supporting physics teaching and learning.
Detecting Gravity-Related Misconceptions of First Year Medical Students Using the Newtonian Gravity Concept Inventory Bani-Salameh, Hisham
Physics Education Research Journal Vol 5, No 2 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.2.16168

Abstract

Misconceptions create their problems and must be clarified. One of the misconceptions that often arises is the concept of Newtonian gravity. In this report, we discuss first-year medical students’ understanding of the concept of gravity examined using the Newtonian Gravity Concept Inventory (NGCI). Four domains of the concept of gravity are covered by the NGCI utilizing 26 multiple-choice questions: Directionality, Gravity as a force, Independence from other forces, and threshold. One of the goals of this study is to evaluate the effectiveness of our teaching materials and methods. Therefore, the test was given to students twice as a pre and post-test relative to in-class gravity-related instructions. In this article, we’re reporting on gravity-related misconceptions found with our students in the pre-test only. 511 students participated in the test with a recorded average score of 39.9%. We documented a complete list of misconceptions with eleven dominant ones found in the pre-test: Gravity is affected by magnetism, Gravity is affected by objects’ density, misconceptions related to the dependence of the force of gravity on the distance, and more.
Analysis of the Use of Dynamic Fluid Learning Media Dhanil, Muhammad; Afriani Putri, Fina; Desnita, Desnita; Usmeldi, Usmeldi
Physics Education Research Journal Vol 6, No 1 (2024)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2024.6.1.16364

Abstract

Advances in ICT technology support by presenting various forms of innovative media. This study aimed to obtain a profile of schools' most widely used learning media. This research method was quantitative, using surveys to collect data. The respondents of this study were 1095 students from six schools. Questionnaire instruments were used to collect data for students with the help of Google Forms. The results showed that the learning media widely used by smartphones was 14%, PhET was 23%, PowerPoint Was 18%, computers were 17%, and others consisted of flip PDF and video were 28%. Media use in dominance is carried out directly in the classroom in the learning process. This study's findings indicate that using smartphones as a learning medium still needs to be improved. Therefore, these results allow researchers to develop learning media that utilize smartphones, especially in fluid learning materials.
Development and Usability of the Specific Heat Capacity Application Kit Among Form 4 Students Mat Nawi, Mohd Norzaidi
Physics Education Research Journal Vol 5, No 2 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.2.14888

Abstract

This study aims to develop an application kit for the specific heat capacity subtopic of the topic of heat and assess the degree of usefulness of the application kit for specific heat capacity among form four students in Malaysia. This development design study based on constructivism theory uses the ADDIE model. A total of 36 Form 4 students were chosen as research participants using a simple random sample procedure to assess the usability level of the application kit. The study tool utilized is a 4-point Likert scale expert validity assessment form and a research question form on the usability of the Specific Heat Capacity Application Kit. The expert approval percentage approach is used to assess expert validity. The Cronbach Alpha reliability coefficient was calculated using the Statistical Package for the Social Sciences (SPSS) software, and the data for the usability study questions were analyzed using descriptive statistical analysis to determine the mean value and standard deviation. The study's findings revealed that the expert approval value for the application kit and instrument was high, with 95.5% and 97.5%, respectively. It received a high dependability rating of 0.82 for the research instrument. The findings also revealed that the application kit is entirely usable (M = 3.84, SP = 0.36). As a result, this application kit is appropriate for use as teaching and learning material for the Form 4 subtopic of specific heat capacity. This application kit will aid in the development of a more active and two-way learning environment between the learner and the instructor, as well as improve the learner's comprehension of the Specific Heat Capacity subtopic.
Effect of Physics Inquiry Learning with Low-cost Experiment Tool on Students’ Problem-solving Skills and Self-efficacy Rizki, Iqbal Ainur; Khoir, Ermia Fadilata; Nikmah, Fatihatun; Prahani, Binar Kurnia; Hariyono, Eko
Physics Education Research Journal Vol. 6 No. 1 (2024)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2024.6.1.19001

Abstract

The low problem-solving skills and self-efficacy of students in physics learning significantly impact their overall learning processes and outcomes. In order to address this issue, an inquiry learning model was implemented, along with the low-cost experiment tool. This learning model is designed to be valid and effective in enhancing students' problem-solving skills and self-efficacy. The research followed a non-equivalent control group design and involved 66 students to ensure the development of a high-quality learning model that meets the required standards and criteria. By utilising learning instruments, such as students' response questionnaires, problem-solving pre- and post-tests, and self-efficacy questionnaires, the focus of the physics topic in this research was the simple mathematic pendulum. The validity test results show that the learning instrument has high validity and reliability criteria, making it feasible to use in physics learning. Furthermore, the statistical effectiveness test results show that this learning model is effective in improving students' problem-solving skills and self-efficacy. As students engage in hands-on investigations and collaborate on meaningful projects, they are prompted to apply critical thinking and decision-making skills, directly contributing to the development of effective problem-solving strategies. The intrinsic motivation derived from successfully navigating the challenges of inquiry learning, coupled with the personal relevance of the content, nurtures students' confidence in their abilities, ultimately strengthening their self-efficacy as independent and capable learners. Research implies the development of innovative learning models, effectively enhancing students' PSS and SE.
Designing a Simple Microscope as an Alternative Learning Media with SolidWorks Software Adiyatma, Jovan; Armanda, Rizal Endrya; Setiaji, Bayu
Physics Education Research Journal Vol 6, No 1 (2024)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2024.6.1.16438

Abstract

Microscopes are essential as media or teaching aids for prospective educators to achieve learning goals. However, there are still obstacles in their application in the form of quite expensive costs. Often, educational aids have a sizeable nominal value for a school. Teaching aids are costly and prone to damage or loss if students use them frequently, and it is difficult and expensive to find replacements if they are damaged, so teachers are afraid to use them. To overcome this problem, this study provides another alternative design, namely the design of teaching aids that are still useful and function well for learning through the design of microscope teaching aids. The research method used is a model research design using Solidworks software. The development of learning tools compiled in this study refers to the type of 4-D development (Four-D model), which consists of 4 stages: the define stage, the design stage, the development stage, and the dissemination. The research carried out three stages, namely the definition stage (Define), the design stage (Design), and the development stage (Develop). In the results of the design draft, questions were asked of the informants; it was concluded that a proper microscope was a microscope that worked according to its specifications, namely being able to see tiny or micro-objects. The clarity of the lens and the maximum magnification are also factors in the feasibility of the microscope. This research can be concluded as a simple microscope design using the Solidworks application, which is suitable for use as an alternative learning media. If the design of this tool is to be made, then the selection of materials and mechanisms needs further research and trials.
Analysis of Speed and Acceleration of Two Mobiles in the Study of One-dimensional Movement Silva, Jizreel Pereira da
Physics Education Research Journal Vol 5, No 2 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.2.16355

Abstract

The work discusses the analysis of the speed and acceleration of two mobiles in the study of one-dimensional movement as part of the study of kinematics, addressing in the classroom the experimental part, being projected on the board by the data show projector, where students individually, configure the system in order to observe the behavior of the blue and red furniture, comparing with the theoretical discussion also developed in the classroom. We address in an introductory way how the thinkers, philosophers, and scientists of the time of Mesopotamia and the Middle East dealt with the question of the movement of bodies and the mixture of what they believed about religion and mythology. The proposal of the operations in the simulator makes the students seek their questions and raise questions to colleagues and the teacher because, in addition to enriching the teaching-learning process, it motivates students for future proposals and consequently eases understanding of the functioning of physical theories. At the end of the simulation, we discuss the results, understanding what can change in the behavior of a mobile in front of the acceleration activation about the constant uniform movement.
Moderation of Gender and School Location on the Prediction of Test Anxiety on Physics Students’ Academic Achievement in Waves Motion Ocheni, Christopher Adah; Okeke, Agnes Obianuju; Agah, John Joseph; Oguguo, Basil C. E.; Ene, Catherine Uzo; Ezugwu, Ifesinachi Jude; Asongo, Stanley T
Physics Education Research Journal Vol 6, No 1 (2024)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2024.6.1.20668

Abstract

The continuous decline in students’ achievement in physics, especially in wave motion, has become a significant concern among education stakeholders. This study, which examines the moderation of gender and school location in predicting test anxiety on students` achievement in wave motion in physics, offers actionable recommendations for improvement. A correlational research design was adopted. Three research questions and three hypotheses informed the study. A sample of 337 students drawn through a multistage sampling procedure was used for the study. Waves Test Anxiety Inventory (WTAI) and Waves Achievement Test (WAT) instruments were used for data collection. Reliability indices of 0.73 and 0.76 using Cronbach alpha and KR-20 were estimated for WTAI and WAT, respectively. The research questions were answered using regression analysis, while ANOVA and t-test results obtained using Hayes` Process Macro were used to test the hypotheses at a 0.05 significance level. Results showed that test anxiety significantly predicts students` achievement in wave motion. The results showed that the moderation of gender in test anxiety prediction was insignificant. However, the location significantly influenced the prediction of test anxiety on students` achievement in wave motion. It was recommended, among others, that physics teachers ensure that lesson contents are duly covered and that a conducive learning environment, clear instructions, and adequate preparations are made available to students before testing them, thereby potentially improving students' academic performance.
Alpha Wave Activity on Think Hard and Dhikr Condition Using Electroencephalographic (EEG) Huwaidah, Indah Rifdah; Kholidah, Kholidah; Sumarti, Heni
Physics Education Research Journal Vol 6, No 1 (2024)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2024.6.1.15200

Abstract

Emotions are very important in thinking, making decisions, and a person's personality. This research was conducted to know the activity of alpha waves using an electroencephalographic (EEG) instrument, using an experimental method given the treatment of thinking hard and dhikr of istighfar. The brain waves analyzed in this study are alpha waves with a frequency between 8-12 Hz. The analysis shows that the alpha wave mean result is 11.89 Hz when thinking hard, and the mean result is 10.89 Hz during dhikr. The statistical test results show a significance of p = 0.000323 (p 0.05), showing that dhikr can volunteer from a state of hard thinking to a relaxed state. The istighfar dhikr (astaghfirullah hal adzim) by the volunteer is a response to ask for forgiveness and reassure the heart.
Tracking the Acceleration Due to Gravity and Damping of a Pendulum: A Video Analysis Pacala, Frank Angelo; Pili, Unofre
Physics Education Research Journal Vol 5, No 2 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.2.16614

Abstract

This study focused on using video analysis to track the acceleration due to gravity and damping of a pendulum. The video tracker analysis software was proven effective in collecting data from several physics experiments. This study offered new insights on using a tracker and combining it with MS Excel to generate a damping graph. A pendulum was set in motion and recorded with a high-speed camera from the iPhone 13. The footage was then analyzed using tracker video analysis, modeling software, and Microsoft Excel to determine the amplitude and frequency of the pendulum's motion. At the same time, the other variables were measured using traditional tools (e.g., the length of the yarn using a meter ruler). The measured values were then used to calculate the acceleration due to gravity and the damping constant of the system. The results showed that the acceleration due to gravity was consistent with the average accepted value, while the damping constant accurately represented what was seen from the generated graph. Overall, this study demonstrated the effectiveness of video analysis in tracking the behavior of physical systems and its potential applications in various fields.

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