Effect of Project-Based Learnıng (PjBL) on Study Results and Critical Thinking Ability of Students ın Lathe Engıneerıng Lessons

Authors

Suyono , Wawan Purwanto , Hasan Maksum , Refdinal

DOI:

10.29303/jppipa.v11i4.8926

Published:

2025-04-25

Issue:

Vol. 11 No. 4 (2025): April

Keywords:

Critical thingking ability, Project-Based Learning (PjBL), Study results

Research Articles

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Suyono, Purwanto, W., Maksum, H., & Refdinal. (2025). Effect of Project-Based Learnıng (PjBL) on Study Results and Critical Thinking Ability of Students ın Lathe Engıneerıng Lessons. Jurnal Penelitian Pendidikan IPA, 11(4), 427–434. https://doi.org/10.29303/jppipa.v11i4.8926
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Abstract

This study aims to determine the effect of project-based learning (PHJBL) on learning outcomes and critical thinking skills of students in lathe machining techniques at SMK Negeri 2 Merangin. This study uses an experimental method, with the design used is a pre-experimental design in the form of a one group pretest-posttest design. The research sample used XI TP2 class students. The following variable relationship with simple linear analysis technique. The results showed that the value of learning outcomes 87.50% of students increased by 9.79%. The value of students' critical thinking skills increased by 11.51%. The percentage of students who have reached the predicate competent in the final learning outcomes of 95.80% increased by 80.50% compared to before the establishment of the project-based learning model by referring to the standard score set.

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Author Biographies

Suyono, Universitas Negeri Padang

Wawan Purwanto, Universita Negeri Padang

Hasan Maksum, Universita Negeri Padang

Refdinal, Universita Negeri Padang

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