“反馈”是控制论首创的概念,它指操作要素在操作中的状态,作为一种信号“返回传入”,使操纵台对操作进行进一步的调整。“反馈”这个概念现已被各种专业门类、各个学科使用,泛指“信息返回”。课堂上老师的“反馈”,是指课堂教学情境中,教师对来源于学生的信息,含态度、行为、 “Feedback” is the concept of cybernetics. It refers to the state of operational elements in operation as a signal “return afferent” to enable the console to further adjust the operation. The concept of “feedback” is now used by various specialized disciplines and various disciplines to refer to “information return”. The teacher's “feedback” in the classroom refers to the situation in the classroom teaching, the teacher's information from the students, including attitude, behavior,