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Journal : International Journal of Science, Technology and Applications

The Effectiveness of Inquiry-Based Learning with a Deep Learning Approach on Critical Thinking Skills of 8th Grade Junior High School Students Salam, Habibi; Kariadinata, Rahayu; Chusni, Muhammad Minan
International Journal of Science, Technology and Applications Vol 3 No 2 (2025): Volume 3 Number 2 Tahun 2025
Publisher : Alpatih Harapan Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70115/ijsta.v3i2.378

Abstract

This research endeavors to evaluate the efficacy of implementing the Inquiry-Based Learning (IBL) model, augmented by a Deep Learning methodology, for the enhancement of critical thinking abilities and academic achievements in eighth-grade students at SMP Plus Al-Ittihad Cianjur, specifically concerning the human circulatory system. A quasi-experimental methodology, utilizing a one-group pretest-posttest framework, was adopted for this investigation. A cohort of 30 students was chosen via purposive sampling to constitute the study's sample. Data acquisition was performed utilizing pretest and posttest instruments, followed by analysis through descriptive statistical methods, the Shapiro–Wilk normality test, the Wilcoxon Signed Rank Test, and N-Gain analysis. The findings revealed a significant difference between pretest and posttest scores (Sig. 0.000 < 0.05). However, the average N-Gain score was 0.1311 or 13.11%, categorized as low and less effective. This indicates that although the IBL model with a Deep Learning approach has the potential to enhance critical thinking skills, its implementation has not yet been optimal. Contributing factors include students’ low readiness for active learning and teachers’ limited ability to facilitate reflective processes. Therefore, further teacher training and student engagement strategies are needed to maximize the effectiveness of this integrated approach in improving science learning quality in secondary education.
Pengaruh Model Pembelajaran Problem Based Learning Terhadap Hasil Belajar Siswa Pada Materi Ekosistem Sa’diah, Salsa Assiri Sa’diah; Chusni, Muhammad Minan; Kariadinata, Rahayu
International Journal of Science, Technology and Applications Vol 3 No 2 (2025): Volume 3 Number 2 Tahun 2025
Publisher : Alpatih Harapan Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70115/0vn2b142

Abstract

This study aims to determine the effect of applying the Problem Based Learning (PBL) model on students’ learning outcomes in ecosystem material. The background of this research is based on the low learning outcomes of students due to teacher-centered and memorization-oriented learning methods. The PBL model was chosen because it emphasizes active student involvement in solving real-world problems, thereby enhancing conceptual understanding and critical thinking skills. This research employed a quantitative approach with a pre-experimental design using a one-group pretest-posttest design. The research subjects consisted of 33 eleventh-grade students who participated in biology learning using the PBL model. The research instrument was a learning achievement test administered before (pretest) and after (posttest) the implementation of the PBL model. Data analysis was conducted using the Paired Sample t-Test with the aid of SPSS version 25. The results showed that the average student learning score increased from 60.42 before the implementation of PBL to 82.61 after it. The t-test results indicated a significance value of 0.000 < 0.05, meaning there was a significant difference between learning outcomes before and after the treatment. The average N-Gain score of 56.36% indicated a moderate category, showing that the PBL model was effective in improving student learning outcomes.Thus, it can be concluded that the Problem Based Learning model has a positive and significant effect on improving students’ learning outcomes in ecosystem material. This model is effective as an alternative innovative learning strategy that encourages student activeness and conceptual understanding.