DEVELOPMENT OF PROBLEM-BASED SCIENCE LEARNING ACTIVITIES TO ENHANCE THE CRITICAL THINKING ABILITY FOR GRADE 9Th STUDENTS

Abstract

This research The objectives are to 1) develop problem-based science learning management for students To be effective according to the criteria of 75/75 2) Compare students' critical thinking abilities. Before studying and after studying By organizing problem-based learning The sample group included Grade 9th students at Nong Khon Wittaya School. Under the jurisdiction of the Ubon Ratchathani Secondary Educational Service Area Office, Amnat Charoen, Semester 2, academic year 2023, 1 classroom, totaling 21 people, which was obtained by simple random sampling lottery drawing Tools used to collect data include: There are 6 learning plans, taking 12 hours, a 14-item critical thinking ability test. Statistics used in data analysis include percentages, averages, Standard deviation and t-test Dependent Samples. The research results found that1. Organizing problem-based science learning to enhance the critical thinking. for grade 9th students, the performance was 78.57/78.84, which was higher than the set criteria of 75/75. 2. Grade 9th students who received problem-based science learning have a critical thinking ability score after learning management was higher than before learning. statistically significant at the .05 level, which is in line with the set assumptions.