Theories about tv
Agenda-setting is the dynamic process "in which changes in media coverage lead to or cause subsequent changes in problem awareness of issues" (Brosius & Kepplinger, 1990, p. 190; Lang & Lang, 1981). That is to say that Agenda setting theory is the theory that mass-news media have a large influence on audiences by their choice of what stories to consider newsworthy and how much prominence and space to give them and that is the job of gatekeepers. The main postulate of this theory is salience transfer which is the ability of the mass media to transfer issues of importance from their agendas to public and audience’s agendas. A prove for that is the one that people attribute importance to a specific news according to how much this news is exposed.
An example for this theory is the fact that there was a perceptible difference between the coverage on the tsunami that hit South-East Asia in December 2004 and the earthquake that hit Pakistan in October 2005. The tsunami received far