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Development of Students Worksheet Based on Project Based Learning to Train Critical Thinking Skills at Vocational High School

Dia Ayu Permatasari, Harun Nasrudin

Abstract


Critical thinking is a cognitive skill that helps identify problems and generate solutions, leading to logical decisions or considerations for solving those problems. Students' critical thinking skills can be trained through learning activities to further improve students' critical thinking skills with learning tools. Therefore, this research intends to produce a student worksheet based on project-based learning to train students' critical thinking skills on the colligative properties of solutions. The development research uses the 4D development model from Thiagarajan, limited to the development stage. A limited trial was conducted with 30 students of industrial chemical engineering expertise at Vocational High School 1 Cerme. The findings indicated that the developed student worksheet was declared effective in training students' critical thinking skills. The results of the paired sample t-test obtained a significance value of 0.000 (<0.05), which shows that it indicates an increase in students' critical thinking skills.

Keywords


Colligative Properties of Solutions; Critical Thinking Skills; Project Based Learning; Students’ Worksheet

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References


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DOI: http://dx.doi.org/10.17977/jps.v13i32025p144