Developing Grade 11 Students’ Critical Thinking Ability and Problem Solving Ability using Problem-Based Learning (PBL) with Graphic Organizer

Abstract

          This research Its purpose is to develop the ability to think critically. Of students using problem-based learning management (PBL) with graphic diagrams Provide students with an average score of 70% or more and the number of students who meet the criteria 70% or more, to develop problem-solving ability. Of students using problem-based learning management (PBL) with graphic diagrams Provide students with an average score of 70% or more and the number of students who meet the criteria 70% or more and to develop academic achievement. Of students using problem-based learning management (PBL) with graphic diagrams Provide students with an average score of 70% or more and the number of students who meet the criteria 70% or more. The target group used in the research was Grade 11 Students at Sri Nong Kao Wittaya School. Under the Secondary Educational Service Area Office, Area 25, who are studying in the second semester of the academic year 2020, totaling 28 people. As a base (PBL) together with a graphic diagram of 5 plans, 14 hours (2), a test to measure the ability of critical thinking Multiple-choice type, 4 choices, 30 questions (3) Problem Solving Ability Test. Multiple-choice, 4-choice, 30 questions (4) A multiple-choice, 4-choice, answer-type test for Grade 11 Students, 30 questions.
          The research results were as follows
          1. The ability to think critically of students using problem-based learning management (PBL) with graphic diagrams The results of the target audience assessment showed that the students had 86.96 percent of the full score of critical thinking ability and 92.86 percent of the students passed the assessment criteria.
          2. Problem solving ability of students using problem-based learning management (PBL) with graphic diagrams the results of the target group assessment showed that the students were able to solve 87.32% of the full score and that the students had passed the assessment criteria 92.86%.
          3. Academic achievement of students using problem-based learning management (PBL) with graphic diagrams the target group assessment results showed that the students had an achievement score of 84.05% of the full score and had students who met the assessment criteria 89.29%, which was higher than the specified criteria.