1.4. Problem Formulation
Based on the problem identification above, so the problem formulations in this research are:
1. Does the implementation of PBL models using animation in the learning process has an effect to improve critical thinking of students about the
Heat and Temperature? 2. How is the critical thinking of the students during the learning process
using the learning model of problem based learning with animation?
1.5. Research Objective
Based on problem formulations above, so the objectives of this research are:
1. To analyze critical thinking of student during the lesson with problem based learning model using animation and conventional learning.
2. To compare between student’s critical thinking that is taught with problem based learning and conventional learning.
1.6. Research Benefit
The benefits of this research are: 1. For any educational units and teachers especially for high school level, as
additional suggestion in choosing the proper learning model to increase the actual and active learning especially in teaching and learning physics.
2. For SMA N 1 Tebing Tinggi, as additional information what kind of learning suitable for students in there to create meaningful learning
process. 3. For State University of Medan, as additional literature about this Problem
Based Learning Model using Animation. 4. For researcher, to increase knowledge and experience how to make a good
research, how to prepare being a good and professional teacher, and especially to increase knowledge about problem based learning using
animation.
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CHAPTER V CONCLUSION SUGGESTION
5.1.
Conclusion
Based on the research result, data analysis, and discussion, the conclusions of this research are as followings as below:
1. Implementing of Problem Based Learning PBL model in learning process has a significant effect toward critical thinking skill of student
about heat and temperature, and the implementation of PBL model is effective to improve critical thinking skill of students with the mean
improvement N-gain is 0.39, this means that the improvement of students’ critical thinking skill is 39. Meanwhile in control class
increase 24 2. Implementing of PBL model can improve critical thinking of students,it is
shown by N-gain from experiment class that is 0.39 that is categoried as a medium gain.While in control class the gain only 24 and categoried as
low gain.The difference is 15 that atleast give much impact to students critical thinking.
5.2. Suggestions
Based on the research result, data analysis, discussion, and weakness had been faced, researcher suggest these things; 1 before implementing PBL, observe
condition and quality of knowledge of student, school facilities, and time; 2 and try to use this PBL model in learning process by team teaching, because of it is hard to
control all activity of student by using this model lonely.
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