One of the oldest social science theories applied to the study of communication, the gatekeeping approach emphasizes the movement of bits of information through channels, with an emphasis on decision points (gates) and decision-makers (gatekeepers). Forces on both sides of a gate can either help or hinder the information’s passage through a channel. The gatekeeping process shapes and produces various images of reality, not only because some bits of information are selected and others rejected, but because communication agents put information together in different ways. In addition, the timing and repetition of information can affect the prominence of events or topics and can influence the probability of future information diffusion.
Gatekeeping was originally modeled as a series of linear processes within the mass media, but in the late 20th century the flow of information through the mass and social media began to interact. Information is now understood to flow among journalists, among social media users, and among agents of both types of media. All such communication agents are gatekeepers. In addition, we can study these networked interconnections as one level of analysis, with the supra-gatekeepers (such as Facebook or Twitter) adding their own gatekeeping processes over and beyond those of their own clients of the mass media.
In addition to looking at various pairwise relationships between gatekeepers, gatekeeping theory should go beyond to instead consider the entire web of gatekeepers as a whole or system. A system is composed of elements (gatekeepers), interactions (relationships among them), and a goal or function. Multiple functions have been proposed by 20th-century scholars (such as socialization, entertainment, or surveillance) for the mass media, but scholars should now consider the function(s) of the gatekeeping system (mass and social media, as well as supra-gatekeepers) as a whole. Although each type of medium can be analyzed as its own system, such analysis would not facilitate new thinking about the various ways in which these partial systems affect one another and how the whole system functions beyond the simple addition of its parts.
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Gatekeeping and Journalism
Pamela J. Shoemaker
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Media and Emotion
Robin L. Nabi
Emotion has been incorporated into media effects research in multiple ways, which can be broadly summarized as considering emotion as a predictor of media selection, an outcome of media exposure, and a mediator of other psychological and behavioral outcomes resulting from media exposure. Specifically, evidence suggests that the desire for particular feeling states influences the media that people choose to consume. Much research also considers the feeling states resulting from exposure, including fright reactions and enjoyment. Finally, there are well-established lines of inquiry into how emotional responses to media influence the processing of those messages in terms of attention, processing depth, and cognitive and behavioral outcomes. More contemporary research is extending these research programs, examining how emotional media messages are socially shared with others as well as the positive emotional effects that may emerge in response to media exposure.