955 resultados para Media Impact


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Study Design. Quasi-experimental, nonrandomized, nonequivalent, parallel group-controlled study involving before and after telephone surveys of the general population and postal surveys of general practitioners was conducted, with an adjacent state used as a control group.


Objectives. To evaluate the effectiveness of a population-based intervention designed to alter beliefs about back pain, influence medical management, and reduce disability and workers’ compensation–related costs.


Summary of Background Data. A multimedia campaign begun during 1997 in Victoria, Australia, positively advised patients with back pain to stay active and exercise, not to rest for prolonged periods, and to remain at work.


Methods. The campaign’s impact on population beliefs about back pain and fear-avoidance beliefs was measured in telephone surveys, and the effect of the campaign on the potential management of low back pain by general practitioners was assessed by eliciting their likely approach to two hypothetical scenarios in mailed surveys. Demographically identical population groups in Victoria and the control state, New South Wales, were surveyed at three times: before, during, and after intervention in Victoria.


Results. The studies were completed by 4730 individuals in the general population and 2556 general practitioners. There were large statistically significant improvements in back pain beliefs over time in Victoria (mean scores on the Back Beliefs Questionnaire, 26.5, 28.4, and 29.7), but not in New South Wales (26.3, 26.2, and 26.3, respectively). Among those who reported back pain during the previous year, fear-avoidance beliefs about physical activity improved significantly in Victoria (mean scores on the Fear-Avoidance Beliefs Questionnaire for physical activity, 14, 12.5, and 11.6), but not in New South Wales (13.3, 13.6, and 12.7, respectively). General practitioners in Victoria reported significant improvements over time in beliefs about back pain management, as compared with their interstate colleagues. There were statistically significant interactions between state and time for 7 of 10 responses on management of acute low back pain, and for 6 of 10 responses on management of subacute low back pain.


Conclusion. A population-based strategy of providing positive messages about back pain improves the beliefs of the general population and general practitioners about back pain and appears to influence medical management.

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The focus of this research is to identify the perceptions that professional sports club managers have about the impact that on-field success has on the attractiveness of a sport organisation to a prospective sponsor. From a series of semi-structured in-depth interviews conducted with the sponsorship/marketing managers from seven Melbourne based Australian Football League (AFL) clubs, an analysis of the importance of on-field success as a precursor for sponsorship was determined. The interview schedule consisted of four phases and concluded with a scale to rate the relative importance of on-field performance. The results indicated that AFL Club Managers believe that the onfield performance of the team does have an impact, but it is largely associated with the media coverage that this on-field success provides. They also identified that in the sport of AFL on-field success is largely controlled by the AFL governing organisation.

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The surge of interest in the social impacts of the Internet has led information systems experts to apply methods and theories garnered from disciplines such as psychology and sociology. As researcher look across disciplines for methods and explanations of outcomes, they run the risk of researching badly. This may be because they are inexperienced in the theory or method, or because the theory or method is not entirely applicable to the context that challenges them. Thus, in the search for the novelty necessary to achieve publications, and given the lack of experience in applying information systems to issues beyond the corporate sphere, research that does not hold water is being undertaken. This is of particular interest because it is not necessarily being undertaken by the novice. The research reported here was undertaken by experienced researchers using experimental and interview methods with which they had experience in other disciplines (psychology and economics). However, the context of researching the impact of the Internet on the quality of life of first time users over the age of 65 was sufficiently different as to render the methods and possibly the theory inappropriate. This dilettantism must be recognized for what it is.

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This research investigated the impact of playing violent videogames. Aggressive or anxious responses were most likely: when the player perceived the violence in the games to be extreme, when the player experienced a heightened sense of becoming 'absorbed' into the game, and during a relatively brief exposure to the game. The portfolio explores the use of manualised interventions in psychology research and practice. Four illustrative case studies regarding the efficacy and effectiveness of adapting manualised interventions for clients with chronic health conditions are presented.

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Examines how diverse academic women educational leaders experienced and negotiated media representations of leadership in their work. The thesis argues that feminist leadership analyses assume a commonality of women's interests, ignoring the diversity, which exists between different groups of women and the material impact of diversity upon female leaders' work.

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It is only in recent times that the magnitude of Ancient Mesopotamia’s contribution to language, agriculture, modern thought and urbane society has begun to be understood. Most relevant to this study is the governance of Mesopotamia’s early city-states by a political system that Jacobsen has termed ‘Primitive Democracy’ where “…ultimate political power rested with a general assembly of all adult freemen” (Jacobsen, 1977; 128). Yet, despite this, the coverage of Iraq in the Western media since its creation at the end of the First World War and particularly since the first Gulf War, has tended towards Orientalism (Said, 1978) by trivialising this nation and thereby reinforcing the hegemony of the West over the ‘backward, barbaric’ East.

This paper examines this issue further by comparing and contrasting the representations of the Iraqi election of January 30, 2005 in four of Australia’s leading daily newspapers (The Australian, The Courier-Mail, The Age and The Sydney Morning Herald) with four Middle Eastern English language papers (The Daily Star from Lebanon, Andolu Agency and Dunya both based in Turkey, and the eponymous Kuwait Times). In essence, it finds that while the Australian media posits democracy as a Western concept and asserts a discourse of US hegemony, the Middle Eastern papers are more contemplative, focusing on the impact that this election could have throughout the region.

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Throughout the coverage of Iraq since the Iran-Iraq War of the 1980s and especially since September 11, the Western mainstream Media have eschewed key historical and contextual data about Iraq, thereby serving to reduce and homogenize the complexity of the issues surrounding the region and the conflicts therein. In so doing, the media has tended towards Orientalism (Said, 1978) by trivialising Iraq and its people and thereby reinforcing the hegemony of the West over the ‘backward, barbaric’ East. Building on earlier research (Isakhan, 2005a), this paper further examines the reductive and homogenising reporting of Iraq in the Western media by using both quantitative and qualitative assessment methods to compare and contrast the discursive practices used to construct the Iraqi election of December 15, 2005 in Australia’s leading daily newspapers with newspapers from the Middle East. In essence, it finds that while the Australian media propagates Orientalism through its one-eyed coverage, the Middle Eastern papers are more contemplative, focusing on the impact that this election could have throughout the region.

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This paper grew out of the authors’ interest in updating the journalism curriculum at AUT (Aukland University of Technology) to better reflect the impact of online media, including social media, on the work of journalists. The challenge for journalism educators is to remain relevant in rapidly changing news and education environments. Our study suggests that while the vast majority of students have some engagement with social media, particularly social networking, and are aware that it can be a powerful tool for journalists, they are still not entirely comfortable with its techniques and they are not experimenting with social media as a production platform as much as we first thought. In short, it appears that they do not have command of professional fluency with social media tools. In response to these findings we have begun to introduce some social media tools and processes directly into the units we teach, in particular: digital story-telling techniques; the use of Twitter and location-based applications; encouraging the ethical use of Facebook etc. for sourcing stories and talent for interviews; podcasting, soundslides and video for the Web, Dreamweaver, InDesign and PHP-based content management systems. We do not see the work to date as the end-point of the changes that we know are necessary, but we are acutely aware of the limitations (structural, institutional and financial) that suggest we should continue with this small-steps approach for the foreseeable future.

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This comparison between Bahrain and Australia shows how the main impact of social and mobile media has been in the form of facilitators of rapid political mobilization, as well as tools for everyday socializing and entertainment. Social media are both contributors to, and symptomatic of, a blurring of the boundaries between politics and entertainment, and public and private spheres, whether their users are in Australia or Bahrain, but they are not in themselves the makers of material sites of democracy or even agency.

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The reliability of an induced classifier can be affected by several factors including the data oriented factors and the algorithm oriented factors [3]. In some cases, the reliability could also be affected by knowledge oriented factors. In this chapter, we analyze three special cases to examine the reliability of the discovered knowledge. Our case study results show that (1) in the cases of mining from low quality data, rough classification approach is more reliable than exact approach which in general tolerate to low quality data; (2) Without sufficient large size of the data, the reliability of the discovered knowledge will be decreased accordingly; (3) The reliability of point learning approach could easily be misled by noisy data. It will in most cases generate an unreliable interval and thus affect the reliability of the discovered knowledge. It is also reveals that the inexact field is a good learning strategy that could model the potentials and to improve the discovery reliability.

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Subsequence frequency measurement is a basic and essential problem in knowledge discovery in single sequences. Frequency based knowledge discovery in single sequences tends to be unreliable since different resulting sets may be obtained from a same sequence when different frequency metrics are adopted. In this chapter, we investigate subsequence frequency measurement and its impact on the reliability of knowledge discovery in single sequences. We analyse seven previous frequency metrics, identify their inherent inaccuracies, and explore their impacts on two kinds of knowledge discovered from single sequences, frequent episodes and episode rules. We further give three suggestions for frequency metrics and introduce a new frequency metric in order to improve the reliability. Empirical evaluation reveals the inaccuracies and verifies our findings.

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The unanticipated rise of religious diversity and the re-entry of religion to the public sphere have radically increased the need and demand for education about religions – how they contribute to social and cultural capital – and about the management of religious diversity. The global movement of people and cultures has brought religious diversity to nearly every major city. With diversity has come a renewed interest in the religious identity of others and how to incorporate religious diversity in ways that produce social cohesion. Religious diversity has also raised interest in a values discourse where once atheistic secularity prevailed, made faith-based social and health service delivery both more appealing to governments and more difficult to deliver, and has challenged societies to accommodate a wider range of religious needs and lifestyles. Policies designed to promote social justice and peace have little chance of success without taking seriously the religious dimensions to the issues involved. This context makes clear the need for opportunities to learn about the religions in a society at all levels of education – opportunities that include direct experience of the ‘other’, curricula that appreciate the worlds of faith, spirituality and religion rather than demeaning them, education that provides both historical depth and local reality. Some of this education will be in school, some in remedial work required for a generation or two of leaders who have been raised in ignorance of religion, or trained to despise it.

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In this paper we describe research aimed at enabling amateur video makers to improve both the technical quality and communicative capacity of their work. Motivated by the recognition that untold hours of home video are simply abandoned after capture, we have formulated the problem as one of defining the what and how of footage capture. We have implemented a framework that answers the first problem, the what, by means of the age-old communicative powers of Story; the second problem, the how, is addressed by means of well documented aesthetic principles that constitute the film profession, which impact both technical and cinematic considerations for a given project. We provide a brief overview of the process, beginning with the narrative template, embodying a chosen story, through the principal phases of generating a storyboard, directing, and editing, resulting in the finished product. We demonstrate the interplay of narrative, purpose for the production, and aesthetic agents, and their influence on the automatically generated storyboard with examples.

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Social media corpora, including the textual output of blogs, forums, and messaging applications, provide fertile ground for linguistic analysis material diverse in topic and style, and at Web scale. We investigate manifest properties of textual messages, including latent topics, psycholinguistic features, and author mood, of a large corpus of blog posts, to analyze the impact of age, emotion, and social connectivity. These properties are found to be significantly different across the examined cohorts, which suggest discriminative features for a number of useful classification tasks. We build binary classifiers for old versus young bloggers, social versus solo bloggers, and happy versus sad posts with high performance. Analysis of discriminative features shows that age turns upon choice of topic, whereas sentiment orientation is evidenced by linguistic style. Good prediction is achieved for social connectivity using topic and linguistic features, leaving tagged mood a modest role in all classifications.

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This article explores Indigenous contributions to shaping public and policy agendas through their use of the news media. It reports on research conducted for the Australian News Media and Indigenous Policy-making 1988–2008 project that is investigating relationships between the representation of Indigenous peoples in public media and the development of Indigenous affairs policies. Interviews with Indigenous policy advocates, journalists and public servants identified the strategies that have been used by individuals and Indigenous organisations to penetrate policy debates and influence public policy. The article concludes that in the face of a neo-liberal policy agenda amplified through mainstream media, particular Indigenous voices nevertheless have had a significant impact, keeping alive debate about issues such as the importance of bilingual education programs and community involvement in the delivery of primary health care.