Andrew Hart is among many writers, theorists and researchers who identify and value the existence of the audience in relation to the media. At the most basic level, audiences are vital in communication. It is for the audience that the media are constructing and conveying information, and, if it were not for the audiences, the media would not exist. The exact relationship between the media and their audiences has been the subject of debate since the media were first seriously studied and emphasises the importance of the audience and of their relationship with the media.
The Frankfurt school, set up in 1923, were concerned about the possible effects of mass media. They proposed the "Effects" model, which considered society to be composed of isolated individuals who were susceptible to media messages. The Frankfurt school envisioned the media as a hypodermic syringe, and the contents of the media were injected into the thoughts of the audience, who accepted the attitudes, opinions and beliefs expressed by the medium without question. This model was a response to the German fascists use of film and radio for propaganda uses, and later applied to American capitalist society. The followers of the hypodermic model of Effects adopted a variant of Marxism, emphasising the dangers of the power of capitalism, which owned and controlled new forms of media. Researchers in the fifties also supported the Effects model when exploring the potential of the new medium of television. Researchers were particularly concerned over increases in the representation of violent acts on television, which correlated with increases in violent acts in society. In the nineties, there was considerable concern over what were