反馈是一个控制论范畴的概念。目前,传播实务界已将反馈机制用作传播控制的武器;而理论界对反馈详细而系统的研究乏善可陈。“模式的引人之处在于能够‘画’一些‘线条’来展示我们已知确实存在但无法看到的联系,并能用其他的手段来显示关系的结构、局部解破图、强度和方向。” Feedback is a concept of cybernetics. At present, the communication practitioners have used the feedback mechanism as a weapon for the dissemination of control; however, the theoretical study of the feedback in a detailed and systematic manner has been lackluster. “The attraction of the model is the ability to ’draw’ ’lines’ to show the connections that we know are actually there but can not be seen and to show the structure of the relationships, the local crack patterns, the intensity and the direction by other means ”