142 resultados para Metáfora Conceptual


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Major parts of teams deployed in contemporary organisations to some extent possess the attributes of virtuality. In this context, at high levels of virtuality, team requirements become quite different from those of face-to-face teams. Thus, evaluating virtuality in teams is a key prerequisite for assessing its requirements and defining the applicable managerial policies. Nonetheless, the concept of virtuality in teams has remained elusive within the extant literature. To address this, this paper deploys a qualitative meta-analysis to synthesise the relevant findings drawing upon an exhaustive review of the literature. The study conceptualises the phenomenon of virtuality through proposing a conceptual framework for evaluating the level of virtuality in teams. This paper contributes to the field by offering further insight into the concept of virtuality and directs future investigations by providing the ground for validating the presented conceptual model.

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Background : High levels of child obesity are triggering growing concerns about the prevalence and effects of food advertising targeted at children. Efforts to address this advertising are confounded by the expanding repertoire of media and promotional techniques used to reach and attract children. The present study explored parents’ views on food marketing and the strategies parents employ when attempting to ameliorate its effects. As part of an online survey of Australian parents’ attitudes towards a range of food advertisements, respondents were invited to provide additional comment in an open-ended question. The question was optional and asked “Are there any other comments you would like to make?”. One in five of the survey respondents (18%; n = 235) elected to answer this question by discussing their views on food advertising and children’s diets. The responses were imported into NVivo10 for coding and analysis. A grounded approach was used to draw meaning from the data and develop a proposed conceptual classification of parents’ attributions relating to food advertising and its consequences.

Results : The majority of responses related to the negative perceived effects of unhealthy food advertising on children’s diets, with few respondents considering such advertisements to be innocuous. The responses were classified into four conceptual categories reflecting differing attitudes to advertising (negative to neutral) and varying levels of locus of control (low to high). The typical characteristics of parents allocated to the four categories exhibited variation according to weight status, television viewing habits, education level, and family size. The largest number of responses was coded to the category characterized by a negative attitude toward food advertising and a low locus of control. Parents in this category were more likely than others to be overweight/obese and heavy television viewers. Parents in the negative attitude to advertising and high locus of control category nominated a variety of parenting practices that could form the basis of parent education interventions.

Conclusions : The results suggest that many Australian parents may feel disempowered in the face of high levels of advertising for unhealthy foods. The current voluntary regulatory code appears to be inadequate in scope and coverage to address this situation.

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© 2015, IGI Global. The purpose of this chapter is to establish a conceptual model that can potentially fill research gaps in the literature about medical tourism as an innovative concept in global healthcare provision by developing emerging economies as they are providing low cost alternatives in medical treatment at internationally accredited medical facilities to treat patients from developed countries. Major databases such as Ebscohost and Emerald have been used to search relevant literature. The literature on medical tourism is reviewed so as to understand the key drivers of medical tourism as well as research gaps in the existing literature. Three major drivers of medical tourism have been identified, namely cost, waiting time, and perceived quality. Further empirical research is needed to test the conceptual model in order to better understand what drives a decision to engage in medical tourism. This chapter makes three major contributions; firstly, the identification of the medical tourism literature from the service marketing and management perspectives; secondly, to propose a conceptual model representing innovation in medical tourism for global healthcare by developing emerging economies; thirdly, the identification of research gaps in the medical tourism literature through which future research can further the knowledge of why people travel to developing countries for medical treatment.

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The right to education, and specifically higher education, is clearly set out in international law. Higher education is, however, in a state of change as a result of pressures from the increased demand for higher education, globalisation and the impact of new technology (Barber, Donnelly and Rizvi 2013, 1–2). This article asserts that before significant changes to higher education are made, we should reflect on the content of the human rights obligations contained in the international documentation. It seeks to outline the content and scope of the right to higher education in an effort to assist this consideration.

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INTRODUCTION: Although there is a documented social gradient for osteoporosis, the underlying mechanism(s) for that gradient remain unknown. We propose a conceptual model based upon the allostatic load theory, to suggest how DNA methylation (DNAm) might underpin the social gradient in osteoporosis and fracture. We hypothesise that social disadvantage is associated with priming of inflammatory pathways mediated by epigenetic modification that leads to an enhanced state of inflammatory reactivity and oxidative stress, and thus places socially disadvantaged individuals at greater risk of osteoporotic fracture. METHODS/RESULTS: Based on a review of the literature, we present a conceptual model in which social disadvantage increases stress throughout the lifespan, and engenders a proinflammatory epigenetic signature, leading to a heightened inflammatory state that increases risk for osteoporotic fracture in disadvantaged groups that are chronically stressed. CONCLUSIONS: Our model proposes that, in addition to the direct biological effects exerted on bone by factors such as physical activity and nutrition, the recognised socially patterned risk factors for osteoporosis also act via epigenetic-mediated dysregulation of inflammation. DNAm is a dynamic modulator of gene expression with considerable relevance to the field of osteoporosis. Elucidating the extent to which this epigenetic mechanism transduces the psycho-social environment to increase the risk of osteoporotic fracture may yield novel entry points for intervention that can be used to reduce individual and population-wide risks for osteoporotic fracture. Specifically, an epigenetic evidence-base may strengthen the importance of lifestyle modification and stress reduction programs, and help to reduce health inequities across social groups. MINI ABSTRACT: Our conceptual model proposes how DNA methylation might underpin the social gradient in osteoporotic fracture. We suggest that social disadvantage is associated with priming of inflammatory signalling pathways, which is mediated by epigenetic modifications, leading to a chronically heightened inflammatory state that places disadvantaged individuals at greater risk of osteoporosis.

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The stereotypical image of the profession is poor with accountants appearing in the popular media as either the object of satire or the criminally inclined expert who deceives the public for self-gain. Extant research on the portrayal of the stereotypic accountant is limited in two ways: (1) existing research assumes a unitary concept by inferring a dominant image when the accountant stereotype is multifaceted; and (2) it is unclear from existing research whether the dominant image results from perceived character traits or the duties undertaken by accountants. This paper relies on qualitative methods of data analysis to unpack the elements that underpin stereotypical images in accounting to develop a framework of external perceptions that distinguishes one image from another. The framework is constructed on two broad criteria that comprise accountants (personality traits and physical characteristics) and accounting (task functionality). The interplay of these two criteria creates four subtypes representing positive (Scorekeeper and Guardian) and negative (Beancounter and Entrepreneur) interpretations of the two basic categorizations: bookkeeper and business professional. Further analysis revealed four primary dimensions (Ethics and Sociable, Skill and Service) that underlie the construction of the subtypes. In general, the 'Scorekeeper' rates more highly than the 'Beancounter' on 'Ethics and Sociable' and the 'Guardian' rates more highly than the 'Entrepreneur' on 'Ethics'. Accounting researchers and the profession could benefit from understanding how stereotypical perceptions are constructed and managed.