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All Journal Cahaya: Journal of Research on Science Education
Karyadinata, Rahayu
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Chemistry Education Physics Social Sciences Other

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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.
Co-Authors Muhammad Minan Chusni Muhammad Minan Chusni, Muhammad Minan Chusni Rina Marlina Supriati, Supriati