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KETERBATASAN DAN ARAH MASA DEPAN UNTUK PRIMING AGRESIWhile numerous studies have supported both of these models of aggression, they have their limitations. First, several studies have failed to find the predicted effects of exposure to aggression on indirect measures of aggression, such as the accessibility of aggressive concepts. Recall that the second state of the GAAM predicts that exposure to aggression-related stimuli should increase the accessibility of violence-related concepts, which in turn will influence primary appraisals. To investigate this, Roskos-Ewoldsen, Eno, Okdie, Guadano, and DeCoster (2008) had two participants play a violent video game (Halo) simultaneously. Participants engaged in a direct competition condition in which they killed each other, an indirect competition condition in which they played separately with the goal of getting farther through the game than their opponent, a cooperative play condition in which they worked together against the aliens, or a no play control condition. After playing the game (or not), participants completed a lexical decision task (i.e., “Is a string of letters a word or not?”). For those targets that were words, people should make lexical decisions regarding a concept faster when the concept has been primed by a related, compared with an unrelated, concept. Across the four conditions, the accessibility of aggression-related targets was expected to be highest for the killing condition, with decreasing accessibility for the other conditions. Contrary to the predictions of the GAAM, however, there were no differences across the conditions in RTs for primed, aggression-related target words. There was enough power to detect a difference, so this null result suggests that the accessibility of the concepts may not be the mechanism by which this type of priming occurs. Bluemke and Zumbach (2007) provide another example that contradicts: the predictions of the GAAM. Clearly, more research that tests the early stages of the GAAM is needed.A second limitation of the models and their accompanying research is that they do not address variables that may influence the types of thoughts and behaviors that result from media priming. Violent portrayals in the media can evoke many different emotional responses beyond aggression, one being fear. In fact, regular TV programming, such as the local news or crime dramas that take place in a nearby city, elicit fear responses. Likewise, extensive research on cultivation theory has demonstrated that one of the long-term consequences of exposure to extensive violence in the media is fear {Roskos-Ewoldsen, Davies, & Roskos-Ewoldsen, 2004). These findings lead to several questions, such as, What are the circumstances under which aggression on TV primes fear? How do these circumstances prime the different responses? What other responses may be primed by aggression on TV? More research is required to address these questions.A third limitation of the research in this area is the inadequate study of moderators of the priming effects of violent TV programming. Several possible moderators exist, such as genre of the TV program. For example, sitcoms that contain a lot of verbal aggression do not prime aggression (Chory-Assad & Tamborini, 2004). Other moderators of violence priming include personality variables, like trait aggressiveness (Josephson, 1987; Roskos-Ewoidsen et al., 2007). Recent research suggests that, at least for the early stages of the GAAM, people low in trait aggression may show stronger priming effects (i.e., greater increases in the accessibility of aggressive thoughts) than people higher in trait aggression (Meier, Robinson, & Wilkowski, 2007). This finding probably reflects the impoverished aggression- related cognitive networks that characterize people who are lower in trait aggression (Bushman, 1996), as impoverished networks are more susceptible to priming effects of aggression-related thoughts and actions (Bartholow, Anderson, Carnagey, & Benjamin, 2005). However, the increased accessibility of aggression-related thoughts in low trait aggression people may not translate into aggressive behavior because they may inhibit their aggressive tendencies during the secondary appraisal stage of the GAAM. Conversely, people high in trait aggression may not show substantial changes in the accessibility of aggression-related thoughts, but the increase may be enough to put them over the threshold for behaving aggressively. Another personality trait—agreeableness— also appears to moderate the priming effects of violence: People who are high in agreeableness are less likely to show priming effects than people who are low in agreeableness (Meier, Robinson, & Wilkowski, 2006). Again, more research is needed in this area. Political Coverage and Presidential EvaluationsAnother major line of research is political priming. Political priming focuses on the idea that the issues that the media are covering influence the information that people use to judge the president (lyengar & Kinder, 1987). When judging how well the president is doing his or her job, people have a lot of different pieces of information they can use to make that judgment. For example, they could use the president’s performance on the economy, civil rights, international affairs, or how well he or she dresses. The idea behind political priming is that the media doesn’t influence what you think, but rather what information you use to make your judgments. Specifically, if the media are focusing primarily on international affairs, international affairs are made salient, and people will use their impressions of how well the president is doing in international affairs to judge how well he or she is doing overall. However, if the media are focusing on domestic affairs, domestic issues are made salient and people will use their impressions of how well the president is doing on domestic issues to judge how well the president is doing overall. During President George H. W. Bush’s presidency (1988—1992), the media focused on the Gulf War and its success, and President Bush enjoyed very high approval ratings. Indeed, many political pundits did not think the Democratic Party would be able to field a candidate who could beat President Bush in 1992. However, after the Gulf War, the media turned its attention away from the Middle East and focused on domestic issues, and people started using their negative evaluations of President Bush’s handling of domestic affairs to judge his overall performance. Consequently, President Bush’s job performance ratings plummeted, despite the fact that people still thought he did a good job of handling international affairs (Iyengar & Simon, 1993).MODELS OF POLITICAL PRIMINGEarly theorizing on political priming used the availability heuristic to explain the effects of media coverage on political priming (Iyengar & Simon, 1993). According to this explanation, media coverage of an issue influences which exemplars are accessed from memory when people make judgments of the president. However, the availability explanation has not been well developed or subjected to empirical tests within the political priming domain.Only one model of political priming has been developed sufficiently to explain the political priming results (Scheufele & Tewksbury, 2007). Similar to Berkowitz’s (1984) neoassociationistic model, Price and Tewksbury’s (1997) model of political priming is based on network models of memory and the role the media play in increasing the accessibility of information from memory. As discussed earlier, network models maintain that both chronic and temporary accessibility of concepts influence their likelihood of activation. In addition, Price and Tewksbury incorporate the notion of applicability of information into their model. Applicability refers to deliberate judgments of the relevance of information to the current situation. Clearly, if primed information is not relevant, it will not be used when making political judgments. Within Price and Tewksbury’s model, concepts that are activated by the media and judged as applicable to the current situation influence how the message is perceived or interpreted. On the other hand, those concepts that are activated by the media and judged as not applicable do not influence how the message is perceived.Miller and Krosnick (2000) rigorously tested the accessibility component of political priming by manipulating media exposure to current issues (e.g., drugs and immigration). They gathered measures of participants’ beliefs about the most important problems in the nation and approval of the current president’s performance, and they found the basic priming effect. Participants who were exposed to the media coverage weighed those issues more heavily when judging the president’s performance than those not exposed to the media coverage. To test whether the accessibility of these issues mediated this relationship, accessibility toward the issues was measured via RT. Contrary to expectations, however, those participants who were quicker at the reaction time task did not weigh the accessible information more heavily than those who were slower. Thus, the researchers concluded that network models of spreading activation, which rely on the accessibility of concepts, could not be the direct cause of political priming. Rather, the researchers argued that when the concepts that are highly accessible are activated, the activation causes a second, deliberative process. However, Miller and Krosnick (2001) incorrectly interpret the role of deliberative processing as meaning that accessibility was not an important component of the political priming effect. Recent research op automaticity has demonstrated that automatic processing can lead to deliberative processing (Roskos-Ewoldsen, 1997; Roskos-Ewoldsen, Bischel, Hill, & Hoffman, 2002; Roskos-Ewoldsen, Yu, & Rhodes, 2004).
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