117 resultados para isometry groups

em Deakin Research Online - Australia


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The phenomenon of women reading books collaboratively is largely invisible, and certainly under-researched. This study, based on extensive circulation figures and on a small sample of members of four Council of Adult Education reading groups in metropolitan Melbourne, argues that such groups have a reading repertoire which is seriously middlebrow, far removed from the “wish-fulfillment” or “lazy reader” stereotypes purveyed by some who would scorn such groups. The study finds that such groups are sensitively served by the institution which hosts them. While such groups do not question the aesthetic assumptions that underlie their practice, they are combative with some manifestations of the literary establishment. Their powerful preferences for contemporary Australian women's fiction and their participation in global debates via identity politics suggests they warrant closer examination, both within Australian culture, and to find out if such groups have counterparts in other cultures.

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Although numerous studies have examined the learning approaches of Chinese students, very few comparative studies have been carried out with Chinese students from different nations. The present research was designed to identify differences in study approach between Chinese university students drawn from Malaysia, Singapore, and Hong Kong.

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Research in common property, participatory resource management, and community development points to the central importance of organizational arrangements in conservation and development interventions. The dilemma facing contemporary conservation practitioners is how best to assist and facilitate such arrangements in support of participatory resource management and sustainable livelihoods, given the range of organizations, societal processes, and structures in which interventions might engage. This article presents some key findings from a study of stakeholder groups at 4 project sites, with information from a further 16 sites, in the Biodiversity Conservation Network: (1) Longstanding organizations had an established community niche, but could become bogged down in bureaucratic procedures; (2) poor communication between organizations was common and could undermine resource management; and (3) charismatic individuals and local elite interests could dominate groups, diminishing their representativeness. Based on these findings, the article argues that conservation professionals need to build their capacity as facilitators and negotiators, paying greater attention to how stakeholder groups form and function, their links to wider arenas, and the aims and positions of groups and individuals.

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First-time parent groups are offered to all new parents in Victoria, Australia through the Maternal and Child Health Service, which is funded by state and local governments. Parents who join a group attend a series of eight sessions that emphasize parenting skills, relationship development and social support in order to increase confidence and skills in parenting. The present paper highlights the importance of first-time parent groups, claiming that these groups serve an important social support and health function amid a climate of early discharge policies and changing family structures. Although there are a number of challenges to the successful running of groups, it is argued that first-time parents benefit from participating in these groups in a number of ways: by developing social networks, gaining self confidence, and through access to relevant information on child health and parenting. Research indicates that first-time parent groups provide lasting benefits not only for families, but also for society as a whole. Maternal and child health nurses play a key role in facilitating groups for first-time parents.

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Structural data (X-ray and solution and solid-state 119Sn NMR) show that skew-trapezoidal-bipyramidal diorganotin compounds of 2-quinaldate are invariably monomeric, owing to the steric bulk of the carboxylate ligand. In contrast, most of the analogous compounds of 2-picolinate (2-pic) can increase their coordination number by polymerization or the incorporation of solvent in their coordination sphere in the solid state. The exceptional compound is tBu2Sn(2-pic)2 (3), for which no increase in coordination number is apparent, a result that is correlated with the bulky tert-butyl groups. Thus, judicious choice of tin or ligand substituents can be exploited to dictate coordination number and/or the degree of supramolecular aggregation in the investigated systems.

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Peer groups matter more than we think. In this paper we assert that peer group commitments and affiliations are often the primary social reference in determining the way young people think about and practice risk. It is, we argue, inappropriate to impose adult constructions of risk-taking and anti-social behaviour when trying to assert influence over the decisions and practices young people make in the context of their peers. Prominent in our discussion is a concern that mainstream educational theory and practice focuses disproportionately on the individual and their capacity to make rational and independent choices. We believe that within this individualizing framework, teachers have only a very limited capacity to influence the practices and decisions young people make in the presence of their peers, their friends. To ground this discussion we juxtapose the actions and interactions of two young male peer groups, to highlight their respective constructions of group identity.

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In contrast to the plethora of literature that suggests that the increasing gulf between teachers and young people is due to the shifting interests and expectations of young people, the focus of this paper is on the roles teachers play in this relationship. Provoking interest is a concern that some of the assumptions that underpin 'mainstream' pedagogic theory and practice might actually contribute, albeit unwittingly, to hardening rather than softening the communication divide. Drawing on an incident that took place between a group of 7–8 year old males in a primary school setting, the authors reveal the limits of a teaching paradigm that encourages teachers to adopt authoritative positions from which to separate and individualise student behaviour. In theoretical terms, they argue that the application of this paradigm asserts an exaggerated notion of agency to individuals in the construction of identity. In practical terms it promotes processes that individualise behaviour as a way of dealing with miscreance. Together these manifest themselves as a 'pedagogy of separation'. The process of building more productive pedagogic relationships, it is concluded, needs to begin with teachers better recognising and engaging with the collective investments of young people.

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Detrimental effects of diversity in workgroups has frequently been observed but research identifying the factors that lead to negative or positive effects in heterogeneous groups is lacking. The perceived dissimilarity openness moderator model provides one explanation of the process by which diversity influences group affective, behavioral, and cognitive outcomes. Specifically the model identifies individual, group, and organizational openness as moderating the effects of diversity in workgroups. In this paper evidence is provided from a field study that increased openness to perceived dissimilarity leads to better outcomes in newly formed groups. This study also constitutes a significant building block toward the development of theory concerning the moderating variables of the relationship between diversity and group processes, and outcomes of organizations.

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The use of reclaimed wastewater for irrigation of horticultural crops is commonplace in many parts of the world and is likely to increase. Concerns about risks to human health arising from such practice, especially with respect to infection with microbial pathogens, are common. Several factors need to be considered when attempting to quantify the risk posed to a population, such as the concentration of pathogens in the source water, water treatment efficiency, the volume of water coming into contact with the crop, and the die-off rate of pathogens in the environment. Another factor, which has received relatively less attention, is the amount of food consumed. Plainly, higher consumption rates place one at greater risk of becoming infected. The amount of vegetables consumed is known to vary among ethic groups. We use Quantitative Microbial Risk Assessment Modelling (QMRA) to see if certain ethnic groups are exposed to higher risks by virtue of their consumption behaviour. The results suggest that despite the disparities in consumption rates by different ethnic groups they generally all faced comparable levels of risks. We conclude by suggesting that QMRA should be used to assess the relative levels of risk faced by groups based on divisions other than ethnicity, such as those with compromised immune systems.

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Managers and researchers alike have sought new ways to address the challenges of sharing dispersed knowledge in modern business environments. Careful consideration by sharers of receivers’ knowledge needs and behaviours may improve the effectiveness of knowledge sharing. This research examines how sharers react to their perceptions of receivers’ knowledge needs and behaviours when making choices relating to sharing knowledge. The focus of this article is to propose and empirically explore a theoretical framework for a study of the role of the receiver in knowledge sharing — receiver-based theory. Data collected from two case studies highlight a key role played by perceived receiver knowledge needs and behaviours in shaping sharer choices when explicit knowledge is shared. A set of receiver influences on knowledge sharing is provided that highlights key receiver and sharer issues. The paper concludes that companies should develop better ways to connect potential sharers with receivers’ real knowledge needs. Further, the findings suggest that sharing on a need-to-know basis hinders change in organisational power structures, and prevents the integration of isolated pockets of knowledge that may yield new value.

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This study explored the health, well-being, and social capital benefits gained by community members who are involved in the management of land for conservation in six rural communities across Victoria. A total of 102 people participated in the study (64 males; 38 females) comprising 51 members of a community-based land management group and 51 controls matched by age and gender. Mixed methods were employed, including the use of an adapted version of Buckner’s (1988) Community Cohesion Scale. The results indicate that involvement in the management of land for conservation may contribute to both the health and well-being of members, and to the social capital of the local community. The members of the land management groups rated their general health higher, reported visiting the doctor less often, felt safer in the local community, and utilized the skills that they have acquired in their lifetime more frequently than the control participants. Male members reported the highest level of general health, and the greatest satisfaction with daily activities. Members also reported a greater sense of belonging to the local community and a greater willingness to work toward improving their community than their control counterparts. Of equal importance is evidence that involvement in voluntary conservation work constitutes a means of building social capital in rural communities which may help reduce some of the negative aspects of rural life.