<P> Models of communication are conceptual models used to explain the human communication process . The first major model for communication was developed in 1948 by Claude Elwood Shannon and published with an introduction by Warren Weaver for Bell Laboratories . Following the basic concept, communication is the process of sending and receiving messages or transferring information from one part (sender) to another (receiver). </P> <P> In 1960, David Berlo expanded the linear transmission model with the Sender - Message - Channel - Receiver (SMCR) Model of Communication . Later, Wilbur Schramm introduced a model that identified multiple variables in communication which includes the transmitter, encoding, media, decoding, and receiver . </P>

The first model of communication is said to have developed by