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DEPENDENCY THEORY

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MEDIA DEPENDS ON THE SOCIAL CONTEXT (or: Media System Dependency Theory) History and Orientation Dependency theory was originally proposed by Sandra Ball-Rokeach and Melvin DeFleur (1976). This theory merged out of the communication discipline. Dependency theory integrates several perspectives: first, it combines perspectives from psychology with ingredients from social categories theory. Second, it integrates systems perspectives with elements from more causal approaches. Third, it combines elements of uses and gratifications research with those of media effects traditions, although its primary focus is less on effects per se than on rationales for why media effects typically are limited. Finally, a contextualist philosophy is incorporated into the theory, which also features traditional concerns with the content of media messages and their effects on audiences. Research generated by this model had tends to be more descriptive than explanatory or predictive. Core Assumptio...
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ALTERCASTING THEORY

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ALTERCASTING A tactic for persuading people by forcing them in a social role, so that they will be inclined to behave according to that role. History and orientation Although the term altercasting is used quite frequently, it is not a very well-known or elaborated theory of persuasion. Core assumptions When a person accepts a certain social role, a number of social pressures are brought to bear to insure that the role is enacted. The social environment expects the person to behave in a manner that is consistent with the role; the role also provides the person with selective exposure to information consistent with the role. Altercasting means that we ‘force’ an audience to accept a particular role that make them behave in the way we want them to behave. There are two basic forms of altercasting: Manded altercasting  means that we ‘tell’ people who they are (or are supposed to be) by making an existing role salient (‘You as a Christian should....’), by placing other...
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GATEKEEPING

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EGULATE THE FLOW OF INFORMATION History and Orientation Kurt Lewin was apparently the first one to use the term "gatekeeping," which he used to describe a wife or mother as the person who decides which foods end up on the family's dinner table. (Lewin, 1947). The gatekeeper is the person who decides what shall pass through each gate section, of which, in any process, there are several. Although he applied it originally to the food chain, he then added that the gating process can include a news item winding through communication channels in a group. This is the point from which most gatekeeper studies in communication are launched. White (1961) was the person who seized upon Lewin's comments and turned it solidly toward journalism in 1950. In the 1970s McCombs and Shaw took a different direction when they looked at the effects of gatekeepers' decisions. They found the audience learns how much importance to attach to a news item from the emphasis the media pla...
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