996 resultados para Sacka, Ron


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The aim of this research was to ascertain changes in sun-related knowledge, attitudes and self-care practices among Australian secondary school students between 1993 and 1996. Two cross-sectional surveys of sun-related attitudes, beliefs and behavior of young people aged 12–17 years of age, were conducted in 1993 and 1996. Over 80% of adolescents at both time periods knew about the issues related to skin cancer prevention, frequency of burning and burning on cloudy days. Adolescent attitudes had shifted positively in the areas of staying inside in 1996 [relative risk (RR): 1.13; 95% confidence interval (CI): 1.09–1.17] and staying under shade in 1996 (RR: 1.16; 95% CI: 1.13–1.18). Desire for a moderate or dark tan was lower in 1996 (45%) than in 1993 (50%). Respondents reported that they were less likely to wear brief clothing to get a suntan in 1996 (RR: 0.81; 95% CI: 0.78–0.84) and were significantly more likely to stay in the shade in 1996 (RR: 1.19; 95% CI: 1.16–1.23). We conclude that there has been a shift in attitudes towards use of shade and avoidance of unnecessary exposure, and away from use of sunscreens and sunglasses. The results suggest that adolescents may be more ready to accept structural changes that move desired activities out of the sun.

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OBJECTIVE. The objective of our study was to investigate the effect of activity on tendon vascularity in 17 abnormal patellar tendons.

CONCLUSION. Tendon vascularity is significantly increased by activity (p < 0.001). From this finding, we infer that imaging abnormal tendons with color Doppler sonography to detect neovascularization may be most useful after the patient exercises. Investigations to determine how much activity is necessary to ensure maximal vascularity is detected by Doppler sonography are required.

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The aims of this research were to examine the relationships between customer satisfaction, customer complaint behaviour, service recovery and the intention to repurchase in the Australian Pay TV industry. A survey of 171 respondents suggested that overall customer satisfaction was the main driver of the likelihood of disconnection from the Pay TV service. Those respondents who reported having a problem but not complaining directly about it were significantly more likely to have the intention to disconnect in the future than those who complained directly to their Pay TV service provider. However, there was no significant difference in terms of perceptions of overall satisfaction between those who had a problem and complained and those who had a problem and chose not to complain.

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The aims of this research included demonstrating the detenninants of Pay TV subscriber satisfaction, and displaying the relationships between key aspects of relationship marketing, such as perceptions of value, satisfaction, customer complaint behavior and service recovery, and the intention to repurchase. A survey of 171 Australian respondents suggested that the perceived quality of the variety of the programs available and the perceived quality of the monthly program guide were major contributors to value, and that value was the main driver of overall satisfaction, which in tum was the main driver of the likelihood of disconnection from the Pay TV service. Those respondents who reported having a problem but not complaining directly about it were significantly more likely to have the intention to disconnect in the future, but they were not significantly different in tenns of their value perceptions or overall satisfaction.

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In this paper, a narrative is used to convey the complex connectedness that exists between class, ethnicity and masculinity. The story is of Ian, a successful academic who describes himself as Eurasian, and traces his development through parts of his childhood and into his professional career, using what Gough (1994) describes as a 'realistic fiction'. Relevant literature on masculinities and ethnicity is considered. There is some evidence to suggest that Ian has developed a fluid version of masculinity as a result of his Asian-Australian upbringing, and that he expresses different masculinities according to the social settings in which he finds himself. The paper concludes, just as Ian's story does, that masculinity interacts with class and ethnicity. This accords with Connell's (1995) caution that it is dangerous to think that there is a colored masculinity or a working class masculinity, and that the milieux of class and race need to be considered as well.

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These notes explore some of the background, the influences and pre-occupations at play in the construction of my short film Traum A Dream (Australia 6 minutes 2003) that was shown at the 2004 Double Dialogues Conference. This exercise thus places me in that terrain, that double dialogue between theory and practice. As both artist and commentator it also threatens to catch me hovering in that no-man’s land between the written word about the art and the artefact itself, judging my own folly.


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Aims. The development of acceptable, widely available and effective smoking cessation methods is central to public health strategy for tobacco control. We examined the effectiveness of a telephone callback counselling intervention, compared to the provision of self-help resources alone.

Methods. Participants were 998 smokers calling a state-wide "Quitline" service randomly allocated to either callback counselling or ordinary care. The callback condition consisted of a series of brief counselling calls at strategic times in addition to ordinary care. The number of calls varied according to caller needs, and most occurred generally just before the person's quit day and in the week or two after it. The service was delivered by trained telephone counsellors.

Results. At the 3-month follow-up, significantly more participants in the callback group (24%) reported that they were quit, compared to those in the usual care comparison group (13%). The difference in point prevalence of smoking declined to 6% by the 12-month follow-up. Using sustained abstinence there was a significant benefit of callback counselling at 12-month follow-up. Treating dropouts as smokers reduced the overall magnitude of the effects somewhat. The benefit of callbacks was to marginally increase quit attempts and to significantly reduce relapse.

Conclusion. Our findings are consistent with those of other studies demonstrating benefits of callback telephone counselling to facilitate cessation. Such counselling provides a flexible, relatively inexpensive and widely available form of cessation service. It appears to encourage a greater proportion of quit attempts and to reduce the rate of relapse among those quitting. Further research is required to determine ways to enhance effectiveness, particularly studies of how to reduce relapse.

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Aim To assess the effectiveness of a program of computer-generated tailored advice for callers to a telephone helpline, and to assess whether it enhanced a series of callback telephone counselling sessions in aiding smoking cessation.

Design Randomized controlled trial comparing: (1) untailored self-help materials; (2) computer-generated tailored advice only, and (3) computer-generated tailored advice plus callback telephone counselling. Assessment surveys were conducted at baseline, 3, 6 and 12 months.

Setting Victoria, Australia.

Participants A total of 1578 smokers who called the Quitline service and agreed to participate.

Measurements Smoking status at follow-up; duration of cessation, if quit; use of nicotine replacement therapy; and extent of participation in the callback service.

Findings At the 3-month follow-up, significantly more (χ2(2) = 16.9; P < 0.001) participants in the computer-generated tailored advice plus telephone counselling condition were not smoking (21%) than in either the computer-generated advice only (12%) or the control condition (12%). Proportions reporting not smoking at the 12-month follow-up were 26%, 23% and 22%, respectively (NS) for point prevalence, and for 9 months sustained abstinence; 8.2, 6.0, and 5.0 (NS). In the telephone counselling group, those receiving callbacks were more likely than those who did not to have sustained abstinence at 12 months (10.2 compared with 4.0, P < 0.05). Logistic regression on 3-month data showed significant independent effects on cessation of telephone counselling and use of NRT, but not of computer-generated tailored advice.

Conclusion Computer-generated tailored advice did not enhance telephone counselling, nor have any independent effect on cessation. This may be due to poor timing of the computer-generated tailored advice and poor integration of the two modes of advice.


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Purpose – This paper aims to critically examine the change in accounting treatment for goodwill pursuant to international financial reporting standards (IFRSs) by reference to the Australian reporting regime.

Design/methodology/approach – The paper discusses and compares the former Australian and the new IFRS treatments for goodwill. This comparison focuses on the advantages and potential complexities of the new method, with the aim of identifying the issues and challenges that preparers, independent auditors and those involved in corporate governance face in complying with the new requirements.

Findings – The paper highlights that the identification and valuation of cash-generating units and goodwill require numerous assumptions to be made in estimating fair value, value in use and recoverable amount. Considerable ambiguity and subjectivity are inherent in the IFRS requirements.

Research limitations/implications – Findings suggest that future research should examine how financial report preparers and corporate governance mechanisms are dealing with the complex change required by the new goodwill accounting treatment and how the many critical issues involved in auditing the resulting figures are being addressed.

Practical implications – The research has practical implications for financial report preparers in identifying the issues that must be addressed in complying with the international goodwill accounting treatment. In turn, the paper highlights conceptual issues of relevance to auditors in their role of providing assurance on the resulting accounting numbers. It also has implications for others involved in corporate governance, such as audit committee members, in emphasising the areas in which they should be providing oversight of the accounting judgments. These issues are of relevance in any reporting regime based on IFRSs.

Originality/value – While much has been written about the mechanics of the new goodwill accounting requirements, there has been a lack of critical research highlighting the many problems and ambiguities that will arise in the application of those rules.

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Individuals typically believe that they are less likely than the average person to experience negative events, a phenomenon termed “unrealistic optimism”. The direct method of assessing unrealistic optimism employs a question of the form, “Compared with the average person, what is the chance that X will occur to you?”. However, it has been proposed that responses to such a question (direct-estimates) are based essentially just on estimates that X will occur to the self (self-estimates). If this is so, any factors that affect one of these estimates should also affect the other. This prediction was tested in two experiments. In each, direct- and self-estimates for an unfamiliar health threat—homocysteine-related heart problems—were recorded. It was found that both types of estimate were affected in the same way by varying the stated probability of having unsafe levels of homocysteine (Study 1, N = 149) and varying the stated probability that unsafe levels of homocysteine will lead to heart problems (Study 2, N = 111). The results are consistent with the proposal that direct-estimates are constructed just from self-estimates.

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In studies on ‘unrealistic optimism’ (UO), when people are asked questions designed to make them compare their risk of experiencing an undesirable event with that of the average person, they tend to respond that their risk is lower. This study investigated whether comparisons of own and others’ risk also occur spontaneously, unprovoked by such questions. Gay men uninfected with HIV (n¼50) were asked to think aloud about their risk of becoming infected; their comments were audiotaped and analysed. Over half the men added comments relating to others’ risk. The phrasing of these comments and the reported basis for them are described. The men represented others’ risk as relatively high, own risk as relatively low. In the case of onethird of the men, it seemed possible to be confident that a comparison was being made. The findings suggest that comparisons of own and others’ risk do occur spontaneously and that, while the judgements made in UO studies do not capture all the characteristics of those made spontaneously, they resemble them in important ways.

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Accounting for goodwill is again controversial as Australia adopts international accounting standards from 1 January 2005. The current method of accounting for goodwill will change dramatically as detailed in the AASB's E0109 and IASB's E03. Goodwill acquired in a business combination will no longer be amortised but rather goodwill will be tested for impairment annually (E03, para 54). This paper explores the potential impact of the proposed changes to goodwill accounting for preparers, auditors and those involved with corporate governance. We compare and discuss the current goodwill treatment and the proposed treatment of goodwill, demonstrating the advantages and complexities of the proposed treatment for preparers and auditors. Auditors will be required in many instances to use their professional judgment and rely on managements' abilities and integrity as well as sound corporate governance mechanisms (such as audit committees) in auditing the 'fair' valuation of goodwill and associated transactions. This paper raises the issues and challenges that preparers, independent auditors and those involved in corporate governance will face with the introduction of the new treatment for goodwill accounting.

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This paper addresses the problem of performance modeling of large-scale heterogeneous distributed systems with emphases on enterprise grid computing systems. To this end, we present an analytical model that can be employed to explore the effectiveness of different design approaches so that one can have an intelligent choice during design and evaluation a cost-effective large-scale heterogeneous distributed computing system. The model is validated through comprehensive simulation.

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"The third edition of Corporate Accounting in Australia presents a comprehensive and contemporary explanation of Australian corporate accounting. Previous editions of the book, published in 1998 and 2001, established the book's reputation for excellence, with its user-friendly approach, keenly appreciated by both students and lecturers. This edition retains the accessible writing style and logical chapter format and sequence of its forerunners, and has been revised to reflect current developments, particularly with regards to the international harmonisation of accounting standards."

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Retains the accessible writing style and logical chapter format and sequence of its forerunners,, and has been extensively revised to reflect current developments, particularly with the adoption in Australia of international accounting standards.