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Cahaya: Journal of Research on Science Education
Published by Alpatih Harapan Semesta
ISSN : -     EISSN : 29881374     DOI : https://doi.org/10.70115
Core Subject : Science, Education, Social,
Chemistry Education Physics Social Sciences Other
CAHAYA: Jurnal Ilmu Pendidikan dan Pembelajaran Sains (e-ISSN 2988-1374) is an Open Access Journal that discusses related science and science education that occurs in the context of society at the primary, secondary and higher education levels related to research in the fields of science education, physics education, chemistry education, biology education, Learning Innovation. The CAHAYA journal publishes research articles that are comprehensive by inviting reviews from leading experts in their fields. Incoming papers will be peer-reviewed and selected based on high scientific study and ability to make important contributions in the field.
Arjuna Subject : Umum - Umum
Articles 5 Documents
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Search results for , issue "Vol. 3 No. 2 (2025)" : 5 Documents clear
Effectiveness of PhET Interactive Simulation-Based Learning on Grade XI Students' Conceptual Understanding of Projectile Motion Suherman, Wawan; Kariadinata, Rahayu; Chusni, Muhammad Minan
CAHAYA: Journal of Research on Science Education Vol. 3 No. 2 (2025)
Publisher : Alpatih Harapan Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70115/cahaya.v3i2.331

Abstract

This study addresses the fundamental question: How effective is PhET Interactive Simulation in enhancing high school students' conceptual understanding of projectile motion, a topic prone to misconceptions due to its two-dimensional vector analysis? Positioned within improving physics education quality through digital visualization tools, the researcher employed a quantitative pre-experimental one-group pretest-posttest design on n = 35 Grade XI students. Data collection used conceptual understanding tests analyzed via normality tests (Kolmogorov-Smirnov/ Shapiro-Wilk), paired sample t-test, and Normalized Gain (N-Gain). Results showed pretest mean = 43.76 (SD=12.15) increased to posttest mean =74.14 (SD = 11.72), a 69.42% gain with t = -13.581 (df = 34, Sig. = 0.000 < 0.05) rejecting H₀. N-Gain ⟨g⟩ = 0.54 (medium) distributed as 60% medium, 25.71% high (≥0.7), 14.29% low (<0.3). PhET’s real-time manipulation of launch angle (θ) and initial velocity (v₀) visualized independent horizontal-vertical motion, correcting 65-75% misconceptions via multimodal representations (trajectory, v-t graphs, constant vertical g-vectors). Conclusion: PhET Interactive Simulation proves effective for projectile motion conceptual understanding, bridging abstract formulas (R = v₀²sin2θ/g) with dynamic phenomena. Limitations: short 4-day intervention, no control group. Recommendations: teacher training, guided inquiry worksheets targeting N-Gain > 0.7.  
Implementasi Metode Eksperimen Membuat Es Krim Untuk Meningkatkan Hasil Belajar IPA Peserta Didik Kelas VII Ariani, Veggy; Kariadinata, Rahayu; Minan Chusni, Muhammad
CAHAYA: Journal of Research on Science Education Vol. 3 No. 2 (2025)
Publisher : Alpatih Harapan Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70115/cahaya.v3i2.332

Abstract

The purpose of this study is to find out the effectiveness of the experimental method of making ice cream on the material of changing the form of substances on improving the learning outcomes of science students in grade VII at SMP Negeri 1 Sukaluyu. This study uses a quantitative approach with a One Group Pretest Posttest design. The subjects of this study are class VII students with a total of 35 people. The instruments used are tests of student learning outcomes in the form of pretest and posttest. This data was analyzed with the Shapiro Wilk  Test to test the normality of data distribution. The test differs by using a paired simples-test to test whether there is an average difference between two paired samples. The results of the analysis showed that the average score of the posttest was higher than the average score of the pretest. Pretest and posttest data are normal with significance in the pretest of 0.646 and posttest of 0.270. The statistical test showed a Sig. (2-tailed) value < 0.05, which means that there was a significant difference between the learning outcomes before and after the application of the experimental method. The N-gain obtained is 63,30 with a medium category so that it can be said to be quite effective.
Efektivitas Model Pembelajaran CRH-LCC Terhadap Peningkatan Hasil Belajar pada Materi Energi Kelas X ULP SMKN 3 Bandung Marlina, Rina; Chusni, Muhammad Minan; Karyadinata, Rahayu
CAHAYA: Journal of Research on Science Education Vol. 3 No. 2 (2025)
Publisher : Alpatih Harapan Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70115/cahaya.v3i2.335

Abstract

This study aims to determine the effectiveness of the Course Review Horay (CRH) learning model in improving students' learning outcomes on the topic of Energy and its Changes. The background of this study is the low average formative test scores for this topic, despite the fact that the basic material has been taught at the elementary and middle school levels. As a result, the CRH learning model, coupled with the learning experience through the Quiz Competition (LCC), was tested to strengthen and review the material in an interactive and engaging way. The research method used is descriptive qualitative with a one-group pretest-posttest design, analyzed using SPSS version 27. The sample consists of 34 students from class 10 ULP 2 out of a total population of 120 students. Data were obtained from pretest and posttest results. Normality testing using the Shapiro-Wilk test resulted in significance values of 0.011 and 0.047 for pretest and posttest, respectively, indicating that the data were not normally distributed. Hypothesis testing was carried out using the nonparametric Wilcoxon test, with a significance value of 0.01, which is less than 0.05, leading to the rejection of the null hypothesis (Ho) and the acceptance of the alternative hypothesis (H1). The results indicate that the CRH learning model has a significant effect on improving students' learning outcomes. The effectiveness of the learning model is categorized as fairly effective, with an N-Gain value of 58.52%.
Efektivitas Pembelajaran STEM Pada IOT Smart Proyek Hemat Energi Untuk Meningkatkan Hasil Belajar Siswa Kelas Supriati, Supriati; Karyadinata, Rahayu; Muhammad Minan Chusni, Muhammad Minan Chusni
CAHAYA: Journal of Research on Science Education Vol. 3 No. 2 (2025)
Publisher : Alpatih Harapan Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70115/cahaya.v3i2.341

Abstract

This study aims to analyze the effectiveness of implementing STEM (Science, Technology, Engineering, and Mathematics) learning through an energy-saving Internet of Things (IoT) project in improving students’ learning outcomes in Grade IX at MTsN 7 Cirebon. The research employed a pre-experimental design with a one group pretest–posttest design, involving 30 students as research participants. A multiple-choice test instrument was used to measure students’ conceptual understanding before and after the learning intervention. Data were analyzed descriptively and through N-gain analysis to determine the learning effectiveness. The results showed that the students’ average pretest score of 64.00 increased to 72.07 after the intervention. The mean N-gain score reached 20.24%, with a standard deviation of 17.21 and a score range from -25.00 to 46.43. According to Hake’s gain criteria, this result falls into the low category, and based on the learning effectiveness criteria, it is categorized as “ineffective.” A total of 40% of students were in the medium category, 46.7% in the low category, and 13.3% experienced decreased learning outcomes. Although the overall effectiveness is classified as low, the findings indicate that project-based STEM learning with IoT has the potential to enhance students’ conceptual understanding and learning motivation. Further improvements in instructional strategies, more intensive guidance, and technology integration adapted to students’ needs are recommended to achieve more optimal learning outcomes.
Pengaruh Model Pembelajaran Problem Based Learning (PBL) Berbantuan Aplikasi Powtoon Terhadap Hasil Belajar Siswa Kelas Fadlila Al Hasanah; Kartika Manalu; Sayed Akhyar
CAHAYA: Journal of Research on Science Education Vol. 3 No. 2 (2025)
Publisher : Alpatih Harapan Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70115/cahaya.v3i2.358

Abstract

This research aims to determine the effect of learning using the Problem Based Learning model assisted by the Powtoon application on the learning outcomes of Class XI Madrasah Aliyah at the Islamic Education Park (TPI) Sawit Seberang. This research is a type of quantitative research with a Quasy Experimental Design. The research population was 36 students in class XI MIA A and 36 students in class XI MIA B, 36 students in class XI MIA C and 36 students in class, and X MIA C totaling 36 people as the control class. The instrument in this research is in the form of a test in the form of 30 multiple choice questions. Data analysis of student learning outcomes using the t-test formula, also with the help of SPSS version 25 data processing. Data analysis of student learning outcomes with the results of calculating the average learning outcomes shows that the experimental class which uses the Problem Based Learning models is higher than the control class. The prerequisite test is proven that the data is normally distributed and homogeneous. The results of the test calculation were obtained under count worth 9.709 and table worth 1.668 so that it shows tcount > table so Ha2 is accepted. The conclusions in this research explain that there are influences and differences before and after the implementation of the Problem Based Learning model on student learning outcomes in class XI Madrasah Aliyah at the Islamic Education Park (TPI) Sawit Seberang.

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