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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 7 Documents
 1 
Search results for , issue "Vol. 5 No. 2 (2023)" : 7 Documents clear
Utilization of IP LM393 Sensor Module as an Automation System for a Portable Gallon Pump Hardianto, Firman; Shofani, Maya; Kusuma, Hamdan Hadi
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.2023.5.2.11099

Abstract

Research has been conducted on developing an automatic gallon pump based on the IP LM393 sensor. This research aims to provide alternative solutions to avoid direct contact as the cause of COVID-19 transmission. The research method used includes the stages of designing, manufacturing, and testing the automatic gallon pump based on the IP LM393 sensor. The results showed that installing IP LM393 in a portable gallon pump can help people avoid direct contact when pouring water. This research proves that some materials can be sensor barriers at specific distances with an effective light intensity range of 19-23 lux.
Gender Influence of PhET Simulation on Students’ Score Level Alabi, Abdul-Hafiz Abolade; Mohammed, Ridwan Enuwa; Yusuf, Aishat A
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.2023.5.2.14141

Abstract

Students' performances are often compared and evaluated based on their score levels. Poor performance across each score level can be linked to the general perception of physics as a complex subject due to its abstract and calculative nature. Hence, to help improve students’ performance across each score level, this study investigated the influence of innovative simulations on students’ performance and retention based on their score levels and gender. This study adopted a quasi-experimental non-randomized 2×2×3×2 factorial design. A purposive sampling technique was used to choose two schools with 55 students in Ilorin, Kwara state. The research instruments include a Physics Education Technology (PhET) simulation developed by the University of Colorado Boulder, a Physics Performance Test (PPT), and a Physics Retention Test (PRT). The reliability of the performance and retention test was determined using KR-21 with indices values of 0.855 and 0.769 correspondingly. The findings revealed that the use of computer simulation had a positive effect on the performance and retention in terms of the score levels and had a significant impact on the student's performance and retention with a t-value (-3.13);p<0.005 and t-value (-3.69); p-value< 0.005 respectively. Also, it established that the female students performed better than the male students across different score levels. It was concluded that computer simulation affected the students' performance and retention based on score levels and gender. Therefore, it is recommended that computer simulation be used in the teaching and learning process for better conceptual understanding of the students at different score levels.
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.
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.
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 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.
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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