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All Journal JETL (Journal Of Education, Teaching and Learning)
Zuwirna Zuwirna
Educational Technology Study Program, Universitas Negeri Padang, Padang, Indonesia
Aerospace Engineering Education Social Sciences

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The Influence of the Problem Based Learning Model on Student Activity and Learning Outcomes in Business Economics Elements Mila Ladia Facma; Zuwirna Zuwirna; Ramalis Hakim; Rayendra Rayendra
JETL (Journal of Education, Teaching and Learning) Vol 10 (2025): Special Issue
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/jetl.v10i2.7693

Abstract

The low level of student engagement and achievement in vocational economics learning necessitates the application of innovative instructional models. This study aims to examine the effect of the Problem Based Learning (PBL) model on student learning activity and outcomes in the Economic Business subject. A quasi-experimental design with a pretest-posttest control group was employed. The participants were 61 tenth-grade students from SMK Negeri 1 Painan, selected through purposive sampling. Data were collected using validated instruments: learning outcome tests and observation sheets. Descriptive and inferential statistics, including independent samples t-tests, were used for data analysis. Results show that the experimental group, which received PBL treatment, had significantly higher posttest scores (M = 89.90) and N-Gain (0.72) compared to the control group (M = 76.68; N-Gain = 0.35). Student activity in the experimental group also increased steadily across sessions. Statistical tests confirmed that the differences in both outcomes and activity were significant (p < 0.05). These findings support the effectiveness of PBL in promoting active learning and improving student achievement in vocational education
The Influence of Project-Based Learning Models on the Activities and Learning Outcomes of Vocational Students in Informatics Subjects Triwahyudi Triwahyudi; Zuwirna Zuwirna; Nurhasan Syah; Ramalis Hakim
JETL (Journal of Education, Teaching and Learning) Vol 10 (2025): Special Issue
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/jetl.v10i2.7694

Abstract

This study investigates the effectiveness of the Project-Based Learning (PjBL) model in enhancing student engagement and learning outcomes in Informatics at a vocational high school. The research was motivated by the low initial understanding and passive learning behavior among students, which often leads to suboptimal academic achievement. The objective was to determine whether the PjBL approach could significantly improve both student activity and performance. A quasi-experimental design with a pretest-posttest control group was employed, involving 51 Grade X students from SMKN 1 Painan, divided into an experimental group (PjBL) and a control group (conventional teaching). Data were collected through tests, observations, and documentation, and analyzed using descriptive and inferential statistics. Results showed a significant increase in the experimental group’s posttest scores (mean = 78.04; N-Gain = 0.56) compared to the control group (mean = 64.56; N-Gain = 0.28). Student activity also improved across three meetings. Statistical tests confirmed the differences were significant (p < 0.05). These findings indicate that PjBL is more effective than traditional methods in promoting academic success and active learning in vocational education
Co-Authors Mila Ladia Facma Nurhasan Syah Ramalis Hakim Rayendra Rayendra Triwahyudi Triwahyudi