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31.
Existing research on self-esteem among children and adolescents has focused on defining self-esteem, measuring self-esteem, and indicating variables that influence self-esteem. However, limited research and thought has been given to explain conceptually how self-esteem is developed and maintained. This paper suggests that the existing literature lacks a theoretical conceptualization of how self-esteem is developed and provides a three-pronged conceptualization indicating that associations, activities, and aural support develop and maintain self-esteem. The conceptualization provided has research, policy, and programmatic implications.  相似文献   
32.
Research into the climate change and migration nexus has often focussed solely on how people move in response to the impacts of variability and change in climate. This notion often ignores the nature of migration as a tried and tested livelihood choice amid a variety of socio-economic and environmental opportunities and limitations. This paper closely looks at the behavioural aspects of migration decision-making in Bangladesh in the context of changes in its economy, and, increasingly, exposure to the impacts of climate variability and change. We find that villagers in areas particularly affected by increasing climatic stresses and shocks are diversifying their traditional livelihood strategies by migrating. Environmental factors, including climatic stresses and shocks, often make such shifts even more necessary. Although the migrants’ primary motivation is better income, in effect, migration becomes an effective form of adaptation. Based on a qualitative study in three geographically distinct places of Bangladesh, we propose that migration is a socially acceptable behaviour that occurs in the context of perceived environmental change and climate variability. Migration decisions are mediated by a set of ‘behavioural factors’ that assesses the efficacy of different responses to opportunities and challenges, their socio-cultural acceptance and the ability to respond successfully. This understanding has policy relevance for climate change adaptation, in terms of both how migrants are perceived and how their movements are planned for.  相似文献   
33.
ABSTRACT

By grounding public relations praxis in Aristotelian ethos, practitioners can function as liaison officers with balanced perspectives, capable of co-creating meaning with both client organizations and their publics between whom experts are hired to facilitate mutually beneficial relationships. This approach locates persuasion at the nexus of speaker ethos in the public relations process. It allows practitioners to balance their commitment to the ethics of their profession with loyalty to clients, while empowering audiences (organizations and their publics) to function as the final arbiters of any courses of action proposed to them. Moreover, because the approach enables practitioners, based on their credible ethos, to participate in organizational decision-making, it has the potential to transfer their ethical worldview to client organizations. Ultimately, the central theoretical contribution of this essay is an alternative approach to public relations praxis founded on an analysis of Aristotle’s notion of phronesis, arête, and eunoia.  相似文献   
34.
Indigenous peoples inevitably associate globalization with imperial expansion and the colonization of their territories. One associated scholarly view is that globalization's focus on capital accumulation sets aside indigenous cultural priorities to undermine self-determining authority over lands and resources (Fenelon and Hall, 2008; Friedman, 1999; Kelsey, 2005a, 2005b; Stewart-Harawira, 2005). Alternatively, globalization is an ambiguous paradox also providing significant benefits to indigenous peoples. In two very different Pacific countries, Fiji and New Zealand, the globalization of political and jurisprudential thought on the rights of indigeneity provides a significant counter to state assertions of absolute sovereignty. Globalization creates economic opportunities to reduce indigenous dependence on the state and in its contemporary expression is less significant than domestic factors in inhibiting indigenous aspirations.

Inevitablemente, la población indígena asocia a la globalización con la expansión imperial y la colonización de sus territorios. Una visión académica asociada es que el enfoque de la globalización en la acumulación de capital, desestima las prioridades culturales indígenas para entorpecer la autoridad autodeterminante sobre la tierra y los recursos. (Fenelon and Hall, 2008; Friedman, 1999; Kelsey, 2005a; 2005b; Stewart-Harawira, 2005). Por otro lado, la globalización es una paradoja ambigua que también provee beneficios a las poblaciones indígenas. En dos países diferentes del Pacífico, Fiyi y Nueva Zelanda, la globalización del pensamiento político o jurisprudencial sobre los derechos del indigenismo, provee una lucha importante contra las afirmaciones estatales de una soberanía absoluta. La globalización crea oportunidades económicas para reducir la dependencia indígena del estado y su expresión contemporánea es menos importante que los factores domésticos que inhiben las aspiraciones indígenas.

伴随着帝国的扩张和其领土的被殖民化,土著居民无可避免地被卷入全球化中。一种相关学术观点认为,全球化对资本积累的关注不顾土著民的文化优先权,损害了土著民对土地和资源的自决权力。(Fenelon 和 Hall, 2008; Friedman, 1999; Kelsey, 2005a; 2005b; Stewart-Harawira, 2005)另一种观点认为,全球化是一种不确定的悖论, 也为土著民带来了巨大利益。在两个截然不同的太平洋国家———斐济和新西兰,关于土著民权利的政治和法律思考的全球化对国家声称的绝对主权提出了挑战。全球化为土著民减少对国家的依赖创造了经济机遇;而且在抑制土著民的权利主张方面,其当今表现作用不及国内因素显著。

????? ????? ???? ????? ??? ??? ???? ?????. ??? ??? ??? ????? ??? ?? ???? ??? ??? ??? ?? ??? ???? ??? ????? ????? ??? ?? ??? ?? ???? ??? (Fenelon and Hall, 2008; Friedman, 1999; Kelsey, 2005a; 2005b; Stewart-Harawira, 2005). ????? ???? ?????? ??? ??? ??? ?? ????? ??????. ?? ?? ? ??? ??? ??? ?????? ???? ??? ?? ???, ??? ??? ???? ??? ??? ???? ?? ?? ??? ??? ????. ???? ??? ???? ????? ???? ????? ???? ??? ??? ?? ???? ???? ???? ??? ?????? ???? ????? ? ????.  相似文献   
35.
Abstract

College-aged individuals are at risk for bicycle-related head injuries, but the risk of such injuries can be reduced by their use of bicycle helmets. The objective of this research was to measure the rate of bicycle helmet use by university bicyclists at a large public university in the southwestern United States at three different times. Bicyclists riding onto campus were observed as they rode through a main campus entrance in 1985, 1990, and 1994, and the percentage of bicyclists who were wearing a helmet was recorded. The bicyclists were unaware that their helmet use was being monitored. In 1985, 10% of bicyclists were wearing helmets; in 1990, only 4.4% wore helmets. In 1994, the proportion of helmet-wearing bicyclists had increased to 24%. Although the sample sizes were small, the 1994 increase was statistically significant. The reasons for the increase are unclear, and further study is needed to identify factors related to university bicyclists' use of bicycle helmets.  相似文献   
36.
Abstract

The Student Emergency Dental Service (SEDS), a program of Allied Health and Public Services, Southern Illinois University at Carbondale (SIUC), began treating patients in January 1978. The purpose of the program is twofold. The main emphasis of SEDS is to treat patients with dental-related disorders of an emergency nature. The other purpose of SEDS is to help raise the level of dental knowledge among the student population so as to prevent the emergency situations from occurring.

The Student Emergency Dental Service is essentially an “emergency only” service, even though prevention is highlighted. Such an emergency service cannot compete with a comprehensive service in terms of providing total patient dental care. Hence, the SEDS program has some innate limitations a comprehensive service does not. It must work from certain guidelines. It cannot treat everyone, and the mode of treatment must be altered to aid the emergency patient. This creates dilemmas that will be addressed in this paper. The organization, accomplishments, and advantages and disadvantages of the SEDS program at Southern Illinois University are also discussed.  相似文献   
37.
The statistical evidence (or marginal likelihood) is a key quantity in Bayesian statistics, allowing one to assess the probability of the data given the model under investigation. This paper focuses on refining the power posterior approach to improve estimation of the evidence. The power posterior method involves transitioning from the prior to the posterior by powering the likelihood by an inverse temperature. In common with other tempering algorithms, the power posterior involves some degree of tuning. The main contributions of this article are twofold—we present a result from the numerical analysis literature which can reduce the bias in the estimate of the evidence by addressing the error arising from numerically integrating across the inverse temperatures. We also tackle the selection of the inverse temperature ladder, applying this approach additionally to the Stepping Stone sampler estimation of evidence. A key practical point is that both of these innovations incur virtually no extra cost.  相似文献   
38.
While a wide range of literature exists on the experiences of children in foster care or adoption, much less is known about children who return home from care to their birth parents. This paper focuses on the perspectives of a small sample of birth parents of young children who returned home from care. It draws on findings from the Northern Ireland Care Pathways and Outcomes Study that has been following a population ( n  = 374) of children who were under 5 years and in care in Northern Ireland on the 31st of March 2000. As part of this study, interviews were conducted with the foster parents of 55 children, the adoptive parents of 51 children and the birth parents of nine children who had returned home from care. The paper explores the birth parents' views on how they coped while their child was in care, how they were coping after the child had returned home and how their child was faring at home. Results revealed that these parents, and their children, were experiencing multiple difficulties and struggled to cope after the children had returned home.  相似文献   
39.
40.
We present the first three exact moments of the symmetric quartic assignment statistic. Efficient computational formulas have been derived to overcome severe difficulties in third moment calculations. Two examples illustrate applications of the quartic assignment statistic: evaluation of significant “clustering” or “mixing”; and distribution-free tests for equality of several planar regression models. This article extends previous results on the cubic assignment statistic in Iyer and Vecchia (1989).  相似文献   
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