<![CDATA[This study aims to investigate the impact of STEM-integrated PBL learning tools based on local wisdom (Gendang Melayu) on students' critical thinking skills and compare the improvement in critical thinking abilities between classes that implemented these tools and those that did not. The study employed a quasi-experimental design with a Non-Equivalent Pretest-Posttest Control Group Design among 11th-grade students at SMA Adhyaksa I Jambi. The results of the study showed that there was an increase in students' critical thinking skills through the implementation of integrated STEM PBL learning devices based on local wisdom (Gendang Melayu) on sound wave material at SMA Adhyaksa I Jambi in the experimental class with a sig value (2 tailed) of 0.000 on critical thinking skills questions. Furthermore, there was a significant difference in the increase in students' critical thinking skills between classes that received the implementation of integrated STEM PBL learning devices based on local wisdom (Gendang Melayu) and classes that did not, with a Sig value. (2-tailed) of 0.001 on critical thinking skills questions.This research offers a unique contribution by merging PBL and STEM with the cultural heritage of Gendang Melayu Jambi in physics learning, strengthening the link between scientific knowledge and local culture.]]>
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