Which communication model treats communication like a one-way street when communication is actually more fluid and complex )?

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It should be clear by now that public speaking happens all around us in many segments of our lives. However, to truly understand what is happening within these presentations, we need to take a step back and look at some of the key components of the communication process. The first theoretical model of communication was proposed in 1949 by Shannon and Weaver for Bell Laboratories. This three-part model was intended to capture the radio and television transmission process. However it was later adapted to human communication and is now known as the linear model of communication. The first part of the model is the sender, and this is the person who is speaking. The second part of the model is the channel, which is the apparatus for carrying the message (i.e., the phone or TV). The third part of the model is the receiver, and this is the person who picks up the message. In this model, communication is seen as a one-way process of transmitting a message from one person to another person. This model can be found in Figure 1.1. If you think about situations when you communicate with another person face-to-face or when you give a speech, you probably realize that this model is inadequate—communication is much more complicated than firing off a message to others.

"Figure 1.1" by Public Speaking Project. CC-BY-NC-ND.

Models of communication have evolved significantly since Shannon and Weaver first proposed their well- known conceptual model over sixty years ago. One of the most useful models for understanding public speaking is Barnlund's transactional model of communication. In the transactional model, communication is seen as an ongoing, circular process. We are constantly affecting and are affected by those we communicate with. The transactional model has a number of interdependent processes and components, including the encoding and decoding processes, the communicator, the message, the channel and noise. Although not directly addressed in Barnlund's (2008) original transactional model, participants' worldviews and the context also play an important role in the communication process. See Figure 1.2 for an illustration.

"Figure 1.2" by Public Speaking Project. CC-BY-NC-ND.

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying. ~ Friedrich Nietzsche

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