179 resultados para Mobile communication systems in education


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A review of published studies on risk management in developing countries reveals that critical success factors for implementing risk management has remained an under-researched area of investigation. This paper is aimed at investigating the perceptions of construction professionals concerning the critical success factors (CSFs) for implementation of risk management systems (IRMS). Survey data was collected from 87 construction professionals from the Iranian construction industry as a developing country. The results indicate that four factors are regarded as highly critical: ‘support from managers’, ‘inclusion of risk management in construction education and training courses for construction practitioners’, ‘attempting to deliver projects systematically’, and ‘awareness and knowledge of the process for implementing risk management’. Assessing the associations among CSFs also highlighted the crucial role of enhancing the effectiveness of knowledge management practices in construction organisations. Study also revealed that parties involved in projects do not agree on the level of importance of CSFs for implementing risk management in developing countries. This study contributes to practice and research in several ways. For practice, it increases understanding of how closely knowledge management is associated with the implementation of risk management systems in developing countries. For research, the findings would encourage construction practitioners to support effective knowledge management as a precursor to higher levels of risk management implementation on construction projects.

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e-Activism (the use of ICT in support of environmental action) aims to develop students' knowledge, skills and attitudes to make them proficient in using ICT to achieve environmental and political goals.  This requires teachers to be able to create appropriate ICT-based learning environments.  This paper dicusses a particular pedagogical design and demonstrates its relationship to real-world political and environmental action.

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It is commonly assumed that solar hot water systems save energy and reduce greenhouse gas emissions. The net energy requirement of solar hot water systems has rarely been analysed, including their embodied energy. The extent to which solar hot water systems save energy compared to conventional systems in Melbourne, Australia, is shown through a comparative net energy analysis. It was shown that the embodied energy component of the net energy requirement of solar and conventional hot water systems was insignificant. The solar hot water systems provided a net energy saving compared to the conventional systems after 0.5–2 years, for electric- and gas-boosted systems respectively.

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This paper examines the use of the Disability Discrimination Act (Commonwealth of Australia, 1992) by parents seeking access for their deaf children to native sign language in the classroom. It reviews a number of cases in which Australian parents have claimed indirect discrimination by educational authorities over their children's lack of access to instruction through Australian Sign Language (Auslan) and discusses the outcomes of such litigation. The policies endorsed by deafness organizations are contrasted with those of state educational authorities. The author discusses the limitations of a complaints-based system to address systemic discrimination and suggests the need for legislation to protect the linguistic rights of deaf children.

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This historical sociology deconstructs the interrelationship between the theory and practice of the troublesome notions of leadership, social justice and feminism. First, it tracks marginalised groups' relationship to the field of educational administration and their claims upon the state. Mainstream approaches have been informed by theories, practices and politics that do not focus on the core educational work of teaching and learning, therefore sidelining social justice issues. Second, it maps feminist and critical theorists' alternative conceptualisations, for example, of democratic leadership, which dissolve artificial binaries between formal and informal leadership. Finally, it considers what this means for re-theorising leadership for social justice.

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It is commonly assumed that solar hot water systems save energy and reduce greenhouse gas emissions. Very rarely has the life-cycle energy requirements of solar hot water systems been analysed, including their embodied energy. The extent to which solar hot water systems save energy compared to conventional systems in Melbourne, Australia, is shown through a comparative net energy analysis. The solar systems provided a net energy saving compared to the conventional systems after 0.5 to 2 years, for electricity and gas systems respectively.

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Performance of advanced fabric energy storage systems has not been reported for Australian conditions. The influence pf slab thickness and air flow rate on the annual thermal load, and maximum heating and cooling demands for a typical office module using a ventilated hollow core concrete slab system has been investigated by simulation. Performance results for Melbourne are presented and comments made on other locations.