Discussion on the role of teachers in PBL teaching mode

摘要

Problem Based Learning (PBL) model have also adopted the teaching model for teaching reform and made some achievements in recent years. The teaching effect is not as ideal as that of researchers. Problems, students and teachers are the three basic elements of Problem Based Learning. Teachers are the key to ensure the learning effect. Teachers participate in the preparation of the PBL problem and design learning form. In PBL process, teachers put forward the problem that can be challenging to promote students to learn important concepts and principles. Teachers need accurate evaluation of student PBL learning. Teachers' cooperation and teaching enthusiasm can influence the teaching effect of PBL. The implementation of PBL is a challenge for teachers. PBL good teaching effect need to train the teacher, change the teacher's understanding and improve the related ability.