24 resultados para expanded ensembles

em Deakin Research Online - Australia


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While research has focussed on the current and potential role of the practice nurse (PN) in Australia, the acceptability of this role by consumers has not been investigated. In 2002, two independent studies were carried out into consumer perceptions of PNs. A discussion between the two groups of researchers at the inaugural National Practice Nurse Conference in 2003, identified significant similarities in the findings of these studies. This article reports the combined findings as they relate to consumers' desire for access to the health practitioner of their choice, and their concern that PNs may assume a gatekeeping role. These perceptions may have significant impact on the acceptance of PNs across Australia.

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Although much research has been done on the existence and formation of risk and issue based health policies, there is only little insight in health policy development processes in a broader context. This hampers intervention in these policy processes to adequately develop integrated and effective health policies.

Legislation in the Netherlands requires municipalities to develop and implement local health policies. These policies are supposed to aim at the promotion of health across sectors and with a strong community involvement. Health policy development processes have been studied in four Dutch municipalities. For each case, we identified a range of stakeholders and monitored the change or stability of their characteristics over 3 years. In addition, for each case, three overlaying maps of networks were made addressing communication and collaboration actions within the defined set of stakeholders. We point out a number of barriers which impede integrated policy development at the local level: the importance given to local health policy, the medical approach to health development, the organizational self-interest rather than public health concern, the absence of policy entrepreneurial activity.

Furthermore, this article advocates the use of complementary theoretical frameworks and the expansion of the methodological toolbox for health promotion. The value of stakeholder and network analysis in the health promotion domain, at this stage, is two-fold. First, mapping relevant actors, their positions and connections in networks provides us with insight into their capacity to participate and contribute to health policy development. Second, these new tools contribute to a further understanding of policy entrepreneurial roles to be taken up by health promotion professionals and health authorities in favour of the socio-environmental approach to health.

Notwithstanding the value of this first step, more research is required into both the practical application as well as in the theoretical connections with, for example, Multiple Streams theory.


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3-screen film performance constituted from hand drawn direct-on-film imagery and scratched soundtracks that are further manipulated through the performance to comment and respond on the position accorded such marginal work, namely its complete erasure and marginalization within critical debate in Australia, and to further lay bare the processes of image manipulation.

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Summary: This article discusses research that explored an alternative to proceduralized child protection practice informed by the risk paradigm, by expanding the repertoire available to practitioners through combining features of the risk paradigm with social constructionism. This approach incorporates three dimensions: theories of knowledge and power, related professional roles, and practice skills. In this article, we discuss and critically evaluate only the first dimension: theories of knowledge and power. Through dialogue facilitated by semi-structured questions, we explored practitioners' perspectives about the relevance and appropriateness of the alternative approach for practice.

Findings: The practitioners' participation and feedback offer insights into complex connections between `theory' and `practice' with the practitioner as a positioned subject and mediator of practical meanings of formal concepts.

Applications:
1) Recognition of each practitioner's interpretation of formal concepts and how they are applied in actual practice, even within shared organizational contexts. 2) The importance of dialogue to expand the range of possibilities that maintain openness to ongoing learning. 3) The value of theoretical pluralism that may offer greater opportunities for professional discretion, rather than single self-contained approaches that may constrain effective and ethical practice.

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Computer simulations of Stockmayer fluids were performed to generate dipole time correlation functions (TCF) at three temperatures and three dipole moments in both the microcanonical and canonical ensembles. The effect of Nosé constant-temperature dynamics on time-dependent quantities is discussed, and empirical results are given to show that the choice of thermal inertia parameter influences the speed with which a system moves through its phase space. The time correlation functions from the simulations were analyzed in terms of current theories for dipolar systems. A functional form is proposed to cover both the longtime and short-time behavior of the time correlation functions of dipoles. The relationship between this functional form and the dielectric function of the Stockmayer system is also discussed.

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Introduction: This article explores how community engagement by paramedics in an expanded scope role contributes to both primary health care and to an overall improved emergency response capacity in rural communities. Understanding how expanded scope paramedics (ESP) can strengthen community healthcare collaborations is an important need in rural areas where low workforce numbers necessitate innovation.

Methods: Four examples of Australian rural ESP roles were studied in Tasmania, New South Wales, South Australia and Victoria to gather information on consistent elements that could inform a paramedic expanded scope model. Qualitative data were collected from semi-structured interviews with key stakeholders and organisational documents. Thematic analysis within and across cases found community engagement was a key element in the varied roles. This article relies heavily on data from the Victorian and Tasmanian case studies because community engagement was a particularly strong aspect of these cases.

Results: The ESP in the case studies increased interactions between ambulance services and rural communities with an overall benefit to health care through: increasing community response capacity; linking communities more closely to ambulance services; and increasing health promotion and illness prevention work at the community level. Leadership, management and communication skills are important for paramedics to successfully undertake expanded scope roles.

Conclusion: ESP in rural locations can improve health care beyond direct clinical skill by active community engagement that expands the capacity of other community members and strengthens links between services and communities. As health services look to gain maximum efficiency from the health workforce, understanding the intensification of effort that can be gained from practitioner and community coalitions provides important future directions.

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Charney's target article continues a critique of genetic blueprint models of development that suggests reconsideration of concepts of adaptation, inheritance, and environment, which can be well illustrated in current research on infant attachment. The concepts of development and adaptation are so heavily based on the model of genetics and inheritance forged in the modern synthesis that they will require reconsideration to accommodate epigenetic inheritance.

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Purpose: This article explores the concept of professional identity of Danish nurses working in an expanded practice. The case study explores the experiences of a small group of Danish nurses with a new professional category that reaches into a domain that customarily belonged to physicians. The aim of this case study was to explore the impact of “nurse consultations,” representing an expanded nursing role, of 5 nurses focusing on their perception of autonomy, self-esteem, and confidence.


Methods: The case study used semistructured interviews with 5 participants triangulated and validated with participant observations, a focus group interview, and theoretically derived insights.


Findings: This study indicates that nurses working within a new expanded professional practice see themselves as still engaged in nursing and not as substitute physicians. The study also suggests that the involved nurses gained a higher sense of autonomy, self-esteem, and confidence in their practice. These elements have a positive impact on their professional identity.


Conclusion: The research demonstrates that for the nurses involved in expanded professional practice, the boundaries of professional practice have shifted significantly. The research indicates that an expanded practice generates a new domain within the professional identity of nurses.

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A shift has been observed in the activities of by Western-based, pentecostal mission organisations in mainland South East Asia. Where once these mission organisations avoided formal community development programs as a distraction to their understanding of mission, the funding for and implementation of such programs has increased dramatically in recent times. This shift in focus is best understood by considering motivations and changing pentecostal perceptions of mission. The research is based on new primary data collected through interviews with long-term and senior pentecostal mission practitioners engaging in development projects in mainland South East Asia. It explores their motivations for engaging in community development, and in particular the extent to which community development programs are seen as a strategy for proselytisation as compared the extent to which they are conducted out of other humanitarian motivations. Analysis of this data challenges preconceived notions of proselytisation being the primary motive of pentecostal mission agencies, and demonstrates a more holistic idea of mission.

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This article is devoted to an empirical investigation of per- formance of several new large multi-tier ensembles for the detection of cardiac autonomic neuropathy (CAN) in diabetes patients using subsets of the Ewing features. We used new data collected by the diabetes screening research initiative (DiScRi) project, which is more than ten times larger than the data set originally used by Ewing in the investigation of CAN. The results show that new multi-tier ensembles achieved better performance compared with the outcomes published in the literature previously. The best accuracy 97.74% of the detection of CAN has been achieved by the novel multi-tier combination of AdaBoost and Bagging, where AdaBoost is used at the top tier and Bagging is used at the middle tier, for the set consisting of the following four Ewing features: the deep breathing heart rate change, the Valsalva manoeuvre heart rate change, the hand grip blood pressure change and the lying to standing blood pressure change.

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Neural network (NN) is a popular artificial intelligence technique for solving complicated problems due to their inherent capabilities. However generalization in NN can be harmed by a number of factors including parameter's initialization, inappropriate network topology and setting parameters of the training process itself. Forecast combinations of NN models have the potential for improved generalization and lower training time. A weighted averaging based on Variance-Covariance method that assigns greater weight to the forecasts producing lower error, instead of equal weights is practiced in this paper. While implementing the method, combination of forecasts is done with all candidate models in one experiment and with the best selected models in another experiment. It is observed during the empirical analysis that forecasting accuracy is improved by combining the best individual NN models. Another finding of this study is that reducing the number of NN models increases the diversity and, hence, accuracy.