DEVELOPMENT OF PROBLEM BASED LEARNING MODEL TO IMPROVE STUDENT'S CRITICAL THINKING SKILLS IN FLAT BUILDING MATERIALS IN CLASS IV DUMINANGA STATE SCHOOL
Keywords:
Learning Model, Problem Based Learning, critical thinkingAbstract
This study aims to see the improvement of students' critical thinking skills in the fourth grade flat building material at Duminanga State Elementary School through the Problem-Based Learning development model. This learning model development research refers to the stages of the Borg and Gall development model which was modified from 7 steps into four stages, namely (1) problem identification and needs analysis, (2) planning, (3) expert trial and revision, (4) trial field and revision. The instruments in this study consisted of; (1) model and device validation sheets, (2) teacher and student activity implementation sheets and student response questionnaire sheets; (3) Learning Outcomes Test Sheets for learning using a problem based learning model. Based on the results, the learning model and supporting devices are suitable for use with very valid categories. The results of the trial show the level of practicality of the assessment of teacher activities in the limited trial with an average value of 94.3% and the wide-scale test reaching 97.65%. The results of the assessment of students in the limited trial with an average value of 92.3%. The results of the assessment of students on a largescale trial with an average value of 98% and based on student response questionnaires on a limited scale with an average of 85.7% and on a wide-scale trial with an average of 87.9%. This shows that the problem based learning model has met the practical criteria and received a positive response. The effectiveness of the classical learning model on a limited scale was achieved at 83.3% and then normalized to N-Gain with a value of 0.42 in the medium category. In the widescale test, 85% was achieved and then the N-Gain was normalized with a value of 0.5 in the medium category. This shows that the test of learning outcomes obtained through teacher and student activities using Problem Based Learning in achieving learning objectives has been achieved and student skills have increased
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