The research on the relationship between the teaching model of seminar and the learning gain of students has been a hot topic for a long time. As the Classroom Response System (CRS) is widely used in interactive teaching environments to attract students by asking questions. This paper takes electromagnetism of introductory physics as an example to study the teaching mode of review seminar based on CRS. Focusing on the necessity of review seminar based on CRS, the teaching efficiency as well as the stability of students' learning effect under this teaching mode, this paper qualitatively discuss...
