959 resultados para EMPIRICAL-EVIDENCE


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Cultural feelings are an undertheorised area of the human experience which are recently gaining attention and which need to be understood in the context of museum visitor studies where they are largely ignored. Drawing on a long-term narrative study of global visitors to the Museum of New Zealand Te Papa Tongarewa (Te Papa), this paper unearths the conditions of meaning-making or hermeneutic foundations that facilitate the subsequent processes of meaning-making or interpretations. It argues that the engagement with a museum space starts on a sensory, emotive and embodied level. Visitors’ narrations of their visit to the museum reveal that emotions and feelings are not separate stages of the museum experience but are continuously interwoven with intellectual and interpretive processes. Importantly, the empirical evidence shows that certain meanings remain on an embodied level as an ‘internal understanding’ and resist any verbal ‘expressibility’. The conditions flow into the processes of meaning-making during cross-cultural encounters within the material museum world. Here, feelings enter into the realm of culture and thus into the experience of heritage.

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The New Keynesian Phillips Curve (NKPC) is a standard model in the analysis of inflation dynamics. For the Australian economy, this study establishes the empirical evidence that the NKPC can explain the process of inflation dynamics and the price-setting mechanism. The trade shocks, such as the real exchange rate and the terms of trade, play an important role in inflation dynamics.

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This paper provides empirical evidence on the nature and the extent of risks faced by small and medium-sized biotechnology and professional service firms (accounting and law) in Australia, as well as on the style of their adopted risk management methods and approaches. The findings of the study indicate that the top three risks faced by these firms are related to reputation, recruiting and retaining skilled staff, and cost management. The study also finds that more than half of the respondent firms manage risk in an integrated manner. The results of this study provide useful insights into the nature, extent and driving forces of risk management practices in these firms.

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It has been widely accepted now in industry and academia that Enterprise Systems (ES) can create value for adopting organizations by enabling operational efficiency. However, given the enormous investments they warrant, the potential of such systems to deliver more than improving operations is emerging as a popular area of investigation. This paper reports a research-in-progress that proposes innovation as a means of creating business value with Enterprise Systems. The primary contribution of this paper is a process model that proposes that Enterprise Systems can enable innovation - in products and processes, and supports it with empirical evidence using three case studies. The intention is to test this model further with more case studies and a survey.

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Case management is commonly regarded as the foundation of effective service provision across a wide range of human service settings. This article considers the case management that is offered to clients of community corrections, identifying the distinctive features of case management in this particular setting, and reviewing the empirical evidence relating to the effectiveness of different approaches. It is concluded that models of correctional case management that are clearly informed by the principles of risk, need, and responsivity, and which encourage case managers to form strong and meaningful relationships with their clients, are likely to be the most effective.

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This research explores the complexity of establishing mission fulfilment through the performance of non-profit arts boards (NP AB). Since the early 1990s, the non-profit literature has only sporadically focussed on the concept of how board performance contributes to mission fulfilment in the broader non-profit sector. Consequently, in both the empirical and normative literatures there is a dearth of understanding of how the nonprofit arts board performance fulfils the organisation's mission. The lack of exploration is problematic for theory development in contextualising non-profit arts board performance contribution to mission fulfilment. Although research has been undertaken in various areas-such as effective and ineffective board performance practices of non-profit organisations, board performance measurement indicators within the arts sector, and mission fulfilment as a result of non-profit organisational effectiveness-research from an extensive literature search did not reveal empirical evidence of the relationship between board performance and mission fulfilment of non-profit arts boards. Against this background, the research issue for the thesis is: How does board performance contribute to mission fulfilment by the non-profit arts organisation?

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Purpose – Following the demise of the Soviet Union in 1992, Russia undertook major institutional and market-oriented reforms to enhance the competitive advantage of domestic enterprises. Although Russia has experienced rapid growth over the last two decades, the extent to which institutions in Russia impact on firm innovation and performance remains poorly understood due to a lack of research on the subject. This paper seeks to contribute to the literature on the competitiveness of Russian firms by focussing specifically on the extent to which the state of the regulatory quality, rule of law, and corruption affect the innovation capacity and performance of firms in Russia.

Design/methodology/approach – The study uses structural equation modelling and data from a large-scale firm level survey (n=787) of firms in Russia undertaken by the World Bank in 2009. It investigates the direct and indirect perceptions of respondents of the effects the current institutional environment has on the innovation capacity and performance of their respective organisations.

Findings – The results show that regulatory quality, rule of law and corruption have strong direct and negative impacts on both the innovation capacity and performance of firms, and that innovation capacity strongly mediates the effects of institutions on firm performance. The results suggest that the current state of the regulatory quality, rule of law and corruption in Russia inhibit firm innovation and their resulting performance.

Research limitations/implications – The findings should be interpreted with caution to the extent that the study is limited to only three elements of the formal institutional environment and does not take into consideration the role of informal institutions. These two limitations present avenues for future research.

Originality/value – The study is one of the first to provide empirical evidence based on a large-scale survey of the extent to which formal institutions inhibit innovation and firm performance in Russia, and provides valuable guidance to business policy-makers in Russia on possible avenues for enhancing the overall competitiveness of Russian firms.

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1Personality is highly relevant to ecology and the evolution of fast–slow metabolic and life-history strategies. One of the most important personality traits is exploratory behaviour, usually measured on an animal introduced to a novel environment (e.g. open-field test).2Here, we use a unique comparative dataset on open-field exploratory behaviour of muroid rodents to test a key assumption of a recent evolutionary model, i.e. that exploration thoroughness is positively correlated to age at first reproduction (AFR). We then examine how AFR and exploratory behaviour are related to basal metabolic rate (BMR).3Inter-specific variation in exploratory behaviour was positively correlated with AFR. Both AFR and exploration behaviour were negatively correlated with BMR. These results remained significant when taking phylogeny into account.4We suggest that species occupying unproductive and unpredictable environments simultaneously benefit from high exploration, low BMR and delayed AFR because exploration increases the likelihood of finding scarce resources, whereas low BMR and delayed reproduction enhance survival during frequent resources shortages.5This study provides the first empirical evidence for a link between personality, life-history, phylogeny and energy metabolism at the inter-specific level. The superficial-thorough exploration continuum can be mapped along the fast–slow metabolic and life-history continua.

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Objective

To review the empirical evidence that exists to support the delivery of the range of psycho-social interventions that have been implemented to improve social and emotional wellbeing (SEWB) in Aboriginal and Torres Strait Islander individuals and communities.

Methods:
A systematic review of the available literature, with relevant evaluations classified using the Maryland Scientific Methods Scale.

Results:
Despite a substantial literature on topics relevant to SEWB being identified, only a small number of program evaluations have been published that meet the criteria for inclusion in a systematic review, making it impossible to articulate what might be considered evidence-based practice in this area. Examples of those programs with the strongest empirical support are outlined.

Conclusions:
The results are discussed in terms of the need to develop key indicators of improvement in SEWB, such that more robust evidence about program outcomes can be gathered. The diversity of the identified programs further suggests the need to develop a broader and over-arching framework from which to approach low levels of SEWB, drawing on the concepts of 'grief and loss' and 'healing' and how high levels of social disadvantage have an impact on service utilisation and outcomes. Implications: From a public health perspective, the pressing need to implement programs that have positive impacts on low levels of social and emotional well-being in Aboriginal and Torres Strait Islander communities in Australia seems clear.

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Objectives:

The aims of this study were to map obesity prevention activity being implemented by government, non-government, and community-based organizations; to determine practitioner and policy-maker perceptions of the feasibility and effectiveness of a range of evidence-based obesity prevention strategies; and to determine practitioner and policy-maker perceptions of preferred settings for obesity prevention strategies.

Design and Methods:
This study involved a cross-sectional survey of 304 public health practitioners and policy-makers from government, non-government, and community organizations across Victoria, Australia. Participants reported their organizations' current obesity prevention programs and policies, their own perceptions of the feasibility and effectiveness of strategies to prevent obesity and their preferred settings for obesity prevention.

Results:
Thirty-nine percent had an obesity prevention policy, and 92% were implementing obesity prevention programs. The most common programs focused on education, skill-building, and increasing access to healthy eating/physical activity opportunities. School curriculum-based initiatives, social support for physical activity, and family-based programs were considered the most effective strategies, whereas curriculum-based initiatives, active after-school programs, and providing access to and information about physical activity facilities were deemed the most feasible strategies. Schools were generally perceived as the most preferred setting for obesity prevention.

Conclusion:
Many organizations had obesity prevention programs, but far fewer had obesity prevention policies. Current strategies and those considered feasible and effective are often mismatched with the empirical literature. Systems to ensure better alignment between researchers, practitioners, and policy-makers, and identifying effective methods of translating empirical evidence into practice and policy are required.

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This study, reported by Gregory Stuart and colleagues, offers empirical evidence to support the hypothesis that perpetrators of domestic violence who receive a brief intervention to address alcohol use in addition to a 40-hour group batterer programme will not only consume fewer drinks (and on fewer days) than those who only receive the batterer programme, but will also be less likely to be aggressive and violent.Although these effects fade over time, these findings are significant in the context of an area in which the efficacy of many behaviour change programmes has yet to be demonstrated adequately [2], and in which there is a pressing need to develop more effective interventions.

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In some wilderness areas, wildlife encounter vehicles disrupt their behaviour and habitat use. Changing driver behaviour has been proposed where bans on vehicle use are politically unpalatable, but the efficacy of vehicle setbacks and reduced speeds remains largely untested. We characterised bird-vehicle encounters in terms of driver behaviour and the disturbance caused to birds, and tested whether spatial buffers or lower speeds reduced bird escape responses on open beaches. Focal observations showed that: i) most drivers did not create sizeable buffers between their vehicles and birds; ii) bird disturbance was frequent; and iii) predictors of probability of flushing (escape) were setback distance and vehicle type (buses flushed birds at higher rates than cars). Experiments demonstrated that substantial reductions in bird escape responses required buffers to be wide (> 25 m) and vehicle speeds to be slow (< 30 km h-1). Setback distances can reduce impacts on wildlife, provided that they are carefully designed and derived from empirical evidence. No speed or distance combination we tested, however, eliminated bird responses. Thus, while buffers reduce response rates, they are likely to be much less effective than vehicle-free zones (i.e. beach closures), and rely on changes to current driver behaviour

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A large corpus of data obtained by means of empirical study of neuromuscular adaptation is currently of limited use to athletes and their coaches. One of the reasons lies in the unclear direct practical utility of many individual trials. This paper introduces a mathematical model of adaptation to resistance training, which derives its elements from physiological fundamentals on the one side, and empirical findings on the other. The key element of the proposed model is what is here termed the athlete’s capability profile. This is a generalization of length and velocity dependent force production characteristics of individual muscles, to an exercise with arbitrary biomechanics. The capability profile, a two-dimensional function over the capability plane, plays the central role in the proposed model of the training-adaptation feedback loop. Together with a dynamic model of resistance the capability profile is used in the model’s predictive stage when exercise performance is simulated using a numerical approximation of differential equations of motion. Simulation results are used to infer the adaptational stimulus, which manifests itself through a fed back modification of the capability profile. It is shown how empirical evidence of exercise specificity can be formulated mathematically and integrated in this framework. A detailed description of the proposed model is followed by examples of its application—new insights into the effects of accommodating loading for powerlifting are demonstrated. This is followed by a discussion of the limitations of the proposed model and an overview of avenues for future work.

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The paper provides a systematic and quantitative review of the empirical evidence on the effects of development aid on democracy and governance. We find that aid has had, on average, a zero or negative effect on democracy, except that it has had a positive effect on democratization in European transitional economies. Aid had a positive effect on governance during the Cold War period but has had no effect on governance in the post-Cold War period.