The Implementation of Case-Based Learning (CBL) Model to Improve Students’ Problem-Solving Skills at SMPN 30 Padang

Authors

  • Cheryna Zya Zya Gusya Universitas Negeri Padang
  • Rani Oktavia Universitas Negeri Padang
  • Febri Yanto Universitas Negeri Padang
  • Fatma Wati

DOI:

https://doi.org/10.24036/semesta/vol8-iss2/639

Keywords:

Case-based learning, Students problem-solving skills, Science learning

Abstract

This study aims to examine the effect of implementing the Case-Based Learning (CBL) model on the problem-solving skills of eighth-grade students at SMP Negeri 30 Padang. The research population consisted of all eighth-grade students at the school. A quasi-experimental design with a non-equivalent control group was employed. The sample was selected using a purposive sampling technique, resulting in classes VIII B and VIII D being chosen as the experimental and control groups, respectively. The experimental class was taught using the CBL model, while the control class received instruction through a conventional learning model. Data were collected through pretest and posttest in the form of essay-type questions administered to both groups. The data were analyzed using the tʹ-test. The results indicated a significant difference in the mean scores between students taught using the CBL model and those taught using the conventional model. The tʹ-test results showed that tcount > ttable (8.544 > 2.009), leading to the acceptance of the alternative hypothesis and rejection of the null hypothesis. It can be concluded that the CBL model had a significant positive effect on the problem-solving skills of eighth-grade students at SMP Negeri 30 Padang.

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Published

2025-10-14

How to Cite

Zya Zya Gusya, C., Oktavia, R., Yanto, F., & Wati, F. (2025). The Implementation of Case-Based Learning (CBL) Model to Improve Students’ Problem-Solving Skills at SMPN 30 Padang. SEMESTA: Journal of Science Education and Teaching, 8(2), 129–138. https://doi.org/10.24036/semesta/vol8-iss2/639

Issue

Vol. 8 No. 2 (2025): Semesta: Journal of Science Education and Teaching

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Articles

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Copyright (c) 2025 Cheryna Zya Zya Gusya, Rani Oktavia, Febri Yanto, Fatma Wati

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This work is licensed under a Creative Commons Attribution 4.0 International License.

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