Proceedings of the 5th International Conference on Innovation in Education, Science, and Culture, ICIESC 2023, 24 October 2023, Medan, Indonesia

Research Article

The Effect of Project Based Learning Model on Critical Thinking Skills oh High School Students

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  • @INPROCEEDINGS{10.4108/eai.24-10-2023.2342475,
        author={Dita Trisna Panjaitan and Mariati P.  Simanjuntak and Juniastel  Rajagukguk},
        title={The Effect of Project Based Learning Model on Critical Thinking Skills oh High School Students},
        proceedings={Proceedings of the 5th International Conference on Innovation in Education, Science, and Culture, ICIESC 2023, 24 October 2023, Medan, Indonesia},
        publisher={EAI},
        proceedings_a={ICIESC},
        year={2024},
        month={1},
        keywords={project based learning critical thinking skill optic tools},
        doi={10.4108/eai.24-10-2023.2342475}
    }
    
  • Dita Trisna Panjaitan
    Mariati P. Simanjuntak
    Juniastel Rajagukguk
    Year: 2024
    The Effect of Project Based Learning Model on Critical Thinking Skills oh High School Students
    ICIESC
    EAI
    DOI: 10.4108/eai.24-10-2023.2342475
Dita Trisna Panjaitan1,*, Mariati P. Simanjuntak2, Juniastel Rajagukguk2
  • 1: Major Master of Physics Education, State University of Medan
  • 2: Department Physics Education, State University of Medan
*Contact email: ditapanjaitan02@gmail.com

Abstract

The purpose of this research is to determine how the project based learning (PjBL) model affected the critical thinking skills of students enrolled in the optic tools course during the 2022–2023 school year at SMA N 1 Kisaran. A quasi-experimental approach with a pretest-posttest layout was used for this study. Every single student at XI MIA SMA N1 Kisaran makes up the study's population. Cluster random selection was used to choose a sample for this study from two classes: the experimental class(XI MIA 7 and the control class XI MIA 5, which consists of 25 students. The instrument that used is problem based essay test, which are 10 questions had valid. The result of data analysis got from the average pretest class value from experiment class is 50,84 and control class is 51,72, besides that the average of posttest class value is 85,44 and control class is 67,28. The increasing percentage of critical thinking skill based on N-Gain got from experiment class (high category) is 70% and 32% from control class (medium category). The highest N-gain percentages based on indicators of critical thinking skill are strategy and tactic at experiment class (high category) is 80% and 39% at control class (medium category. Conventional learning leads to significantly different results in terms of students' critical thinking abilities; hence, the PjBL model is superior than conventional learning when it comes to improving students' critical thinking abilities.