** This is one of the simplest models of communication. In this model, there a re three parties to effect the communication process. According to Newcomb "There might be a third party between the sender and the receiver and that third party can manipulate the communication process. the model is given below."
In the figure, there are three parties X, Y and Z if any two parties want to communicate with each other, they must depend on the third party. This communication models does not present all the elements of communication process.