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Who filters through information and determines what information is shared with media audiences? Who filters through information and determines what information will not be shared with media audiences? Ultimately, who controls the flow of information in the media? At times commentary pertaining to media content references media as an omnipotent individual entity selecting the content transmitted to the public, reminiscent of a Wizard of Oz manner of the all-powerful being behind the curtain. Overlooked in this perception is the reality that in mass media, there are various individuals in positions of power making decisions about the information accessed by audiences of various forms of media. These individuals are considered gatekeepers: wherein the media functions as a gate permitting some matters to be publicized and included into the public discourse while restricting other matters from making it to the public conscience. Media gatekeepers (i.e., journalists, editors) possess the power to control the gate by determining the content delivered to audiences, opening and closing the gate of information. Gatekeepers wield power over those on the other side of the gate, those seeking to be informed (audiences), as well as those seeking to inform (politics, activists, academics, etc.). The earliest intellectual explanation of gatekeeping is traced to Kurt Lewin, describing gatekeeping as a means to analyze real-world problems and observing the effects of cultural values and subjective attitudes on those problems like the distribution of food in Lewins’s seminal study, and later modified by David Manning White to examine the dissemination of information via media. In an ideal situation, the gatekeepers would be taking on the challenge of weighing the evidence of importance in social problems when selecting among the options of content and information to exhibit. Yet, decisions concerning content selection are not void of subjective viewpoints and encompass values, beliefs, and ideals of gatekeepers. The subjective attitudes of gatekeepers influence their perspective of what qualifies as newsworthy information. Hence, those in the position to determine the content transmitted through media exercise the power to shape social reality for media audiences. In the evolution of media gatekeeping theory three models have resulted from the scholarship: (1) examination of the one-way flow of information passing through a series of gates before reaching audiences, (2) the process of newsroom personnel interacting with people outside of the newsroom, and (3) the direct communication of private citizens and public officials. In traditional media and newer forms of social media, gatekeeping examination revolves around analysis of these media organizations’ news routines and narratives. Gatekeeping analysis observes human behavior and motives in order to make conceptualizations about the social world.

Article

Since McCombs and Shaw first introduced the theory in 1972, agenda setting has emerged as one of the most influential perspectives in the study of the effects of mass media. Broadly defined, “agenda setting” refers to the ability of mass media sources to identify the most salient topics, thereby “setting the agendas” for audiences. In telling us what to think about, then, mass media sources are perceived to play an influential role in determining priorities related to policies, values, and knowledge on a given topic or issue. Scholars have studied this phenomenon according to both object (issue) salience and attribute salience and along aggregate and individual audience responses. The audience characteristics of need for orientation, uncertainty, relevance, and involvement are advanced as moderating and predicting agenda-setting effects. When agenda-setting theory is applied to the study of messaging related to health and risk communication, scholars have reviewed and identified common themes and topics that generally include media’s role in educating and informing the public about specific health conditions as well as public health priorities and administrative policies. Agenda setting is often examined in terms of measuring mass media effects on audiences. Looking at interpersonal communication, such as that coming from medical providers, opinion leaders, or peer networks, in studies will allow research to examine the combined effects of interpersonal and mass communication. Testing possible interactions among differing sources of information along with assessment of issue and attribute salience among audiences according to an agenda-setting framework serves to document audience trends and lived experiences with regard to mass media, health, and risk communication.

Article

Popular media are a source of information, a powerful socializing agent, and generate sociopolitical and sociocultural meanings that impinge on health promotion and/or disease prevention efforts and individual lived experiences. Thus, motivated by the goal of improving individual and social health, multidisciplinary scholars attend to the implications of entertainment and news media with regard to a range of topics such as individual health threats related to prevention, health conditions and illnesses, patient–provider interactions and expectations, public health issues related to crisis management and health recommendations, and public policy. Scholarship in this line of research may approach the study of popular media guided by the social scientific tradition of media effects theory to explain and predict response or by critical theory to consider ideological implications and employ different methodologies to describe and evaluate the images of health and health-related matters to which people are being exposed or that focus on media representations or audience (both individual and societal) response.