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All Journal Journal of Education and Instruction (JOEAI)
Suwarno Suwarno
Universitas Muhammadiyah Bengkulu
Humanities Languange, Linguistic, Communication & Media Social Sciences

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PBL dan Discovery Learning Berbantuan Virtual Laboratorium terhadap Keterampilan Pemecahan Masalah dan Efikasi Diri Siswa Suwarno Suwarno; Kashardi Kashardi; Merri Sri Hartati
Journal of Education and Instruction (JOEAI) Vol. 9 No. 2 (2026): Journal of Education and Instruction (JOEAI)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/zc6nh111

Abstract

The purpose of this study was to test the effectiveness of the Problem-Based Learning (PBL) model, Virtual Lab-assisted Discovery Learning (DL), and the conventional model on improving problem-solving skills and self-efficacy. The research method used was a quasi-experimental design with a non-equivalent pre-test and post-test control group. The results showed a significant difference in improvement in problem-solving skills between the three groups (p < 0.001). The Virtual Lab-assisted Discovery Learning model provided the highest improvement (an average increase from 26.77 to 57.43), followed by the Virtual Lab-assisted PBL model (an average increase from 26.39 to 55.64) and the conventional model (an average increase from 27.48 to 34.45). Meanwhile, for the self-efficacy variable, although all classes experienced significant internal improvement (p < 0.05), no statistically significant difference was found between the groups (p = 0.741). In conclusion, the use of virtual laboratories in active learning models is effective for visualizing abstract concepts and for training students' systematic, logical thinking. However, self-efficacy growth tends to be evenly distributed across approaches that provide successful experiences.   Keywords: Discovery Learning, Self-Efficacy, Problem-Solving Skills, Problem-Based Learning, Virtual Laboratory
Co-Authors Kashardi, Kashardi Merri Sri Hartati