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1. European and American cases(All text materials are automatically generated by ai intelligence)1. European and American cases

Second, the advantage of controlling the class size to 15 peopleI. Successful experiences of Europe, America, Japan and South KoreaSecond, the advantage of controlling the class size to 15 people

Japan and South Korea also have experience in class size control. Japanese school education emphasizes refined training, and the class size is generally small. In a class of 15 students, teachers can pay close attention to students' psychological state and learning progress. Japanese educational circles believe that a small class size helps to create a good teacher-student relationship, which has a positive impact on students' physical and mental health and learning motivation. According to the survey, in small class teaching in Japan, students' participation in class has increased by nearly 30% compared with that in large class.I. Successful experiences of Europe, America, Japan and South Korea1. Challenges and countermeasures of educational resources