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The Influence of Multirepresentation Based Science Student Worksheets Integrated with Virtual Laboratory on the Critical Thinking Skills of Junior High School Students Taqiyya, Bela Zain; Mahardika, I ketut
International Journal of Education, Information Technology, and Others Vol 9 No 1 (2026): International Journal of Education, information technology   and others
Publisher : Peneliti.net

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Abstract

This study aims to examine the effect and increase in the use of multirepresentation-based science worksheets integrated with virtual laboratories on the critical thinking skills of junior high school students. The research method used is a quasi-experiment with a non-equivalent control group design. The research subjects consisted of 54 seventh-grade students at SMP Negeri 14 Jember in the odd semester of the 2025/2026 academic year, who were divided into an experimental class and a control class. Data collection techniques were carried out through pretest and posttest administration, while data analysis included normality tests, independent samples t-tests, and n-gain tests to determine the improvement in students' critical thinking skills. The results showed that the use of multirepresentation-based science worksheets integrated with virtual laboratories had a significant effect on improving students' critical thinking skills.