A Comparative Study of Establishing the Basic Concepts in Junior–high School Electromagnetism by Subject-Based Learning and Problem-Based Learning
The traditional method of learning is usually adopted during teaching process of Natural Science in Junior-high school, which is called Subject-based learning also. The teacher will draft syllabus and teaching plan based on adopted text book and professional knowledge, teaches to students with relevant concepts and different subjects by only single direction sequentially. Due to lack of communication between teachers and students, and the chance of group study, the teacher does not know whether students could establish the concept and learn the solution of problem or not actually. The teaching way by single direction would not be easily to achieve the educational goal, especially to educate students have abilities of solving problems effectively. Except the subject-based learning, this study is to find out whether the problem-based learning，which is usually employed in the medicine teaching，could be adopted on learning the basic concept about electromagnetism by Junior-high students and might be found the different performance compared with the traditional learning approach. The research target is the second grade of Junior-high school students who do not learn the relevant concept about electromagnetism. They will divide into two groups, experiment group and control group taught by problem-based learning and subject-based learning separately. Students are diagnosed by improvement two-tier through web-internet before teaching. The researcher could obtain the difference between before and after teaching, and the strength and weakness of 2 teaching methods. The survey would be executed based on physics learning attitude, it would be examined whether affect the execution of two kind of teaching way. The experiment group would discuss the survey by problem-based learning and understand the discussing situation of experiment group. The result of this study indicated that two kinds of teaching methods could improve the learning of students. The performance of problem-based learning is obviously better than that of subject-based learning. The discovery-type-experiment used by the experimental group causes the motivation of learning and improve the interest of students in learning science. The student with positive learning attitude for physics is helpful to learn the relevant concept about electromagnetism through problem-based learning. The obviously difference of performance would be found between problem-based learning with subject-based learning when students recognize and understand the concept of electromagnetism. Problem-based learning could improve the ability of students in collecting, posing question, clarifying the concept, finding and solving problems.
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