1000 resultados para 309902 Education and Extension


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Contextual factors for sustainable development such as population growth, energy, and resource availability and consumption levels, food production yield, and growth in pollution, provide numerous complex and rapidly changing education and training requirements for a variety of professions including engineering. Furthermore, these requirements may not be clearly understood or expressed by designers, governments, professional bodies or the industry. Within this context, this paper focuses on one priority area for greening the economy through sustainable development—improving energy efficiency—and discusses the complexity of capacity building needs for professionals. The paper begins by acknowledging the historical evolution of sustainability considerations, and the complexity embedded in built environment solutions. The authors propose a dual-track approach to building capacity building, with a short-term focus on improvement (i.e., making peaking challenges a priority for postgraduate education), and a long-term focus on transformational innovation (i.e., making tailing challenges a priority for undergraduate education). A case study is provided, of Australian experiences over the last decade with regard to the topic area of energy efficiency. The authors conclude with reflections on implications for the approach.

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We consider the following problem: a user stores encrypted documents on an untrusted server, and wishes to retrieve all documents containing some keywords without any loss of data confidentiality. Conjunctive keyword searches on encrypted data have been studied by numerous researchers over the past few years, and all existing schemes use keyword fields as compulsory information. This however is impractical for many applications. In this paper, we propose a scheme of keyword field-free conjunctive keyword searches on encrypted data, which affirmatively answers an open problem asked by Golle et al. at ACNS 2004. Furthermore, the proposed scheme is extended to the dynamic group setting. Security analysis of our constructions is given in the paper.

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This chapter calls for rethinking about the rights base of early childhood education. The United Nations Convention on the Rights of the Child (UNCRC) (UNICEF1989) has been seen as an important foundation internationally for early childhood education practise. In this paper, I argue that whilst the UNCRC (1989) still serves its aspirational purpose, it is an inadequate vehicle for enacting early childhood education in the twenty-first century given the pressing challenges of sustainability. The UNCRC emerged from an individual rights perspective, and despite attempts to broaden the rights agenda towards greater child participation and engagement, these approaches offer an inadequate response to global sustainability concerns. In this chapter, I propose a five dimensional approach to rights that acknowledges the fundamental rights of children as espoused in the UNCRC and the call for agentic rights as advocated more recently by early childhood academics and practitioners. Additionally, however, discussion of collective rights, intergenerational rights and bio/ecocentic rights are forwarded, offering a expanded way to think about rights with implications for how early childhood education is practised and researched.

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Background: The transmission of soil-transmitted helminths (STHs) is associated with poverty, poor hygiene behaviour, lack of clean water and inadequate waste disposal and sanitation. Periodic administration of benzimidazole drugs is the mainstay for global STH control but it does not prevent re-infection, and is unlikely to interrupt transmission as a stand-alone intervention. Findings: We reported recently on the development and successful testing in Hunan province, PR China, of a health education package to prevent STH infections in Han Chinese primary school students. We have recently commenced a new trial of the package in the ethnically diverse Xishuangbanna autonomous prefecture in Yunnan province and the approach is also being tested in West Africa, with further expansion into the Philippines in 2015. Conclusions: The work in China illustrates well the direct impact that health education can have in improving knowledge and awareness, and in changing hygiene behaviour. Further, it can provide insight into the public health outcomes of a multi-component integrated control program, where health education prevents re-infection and periodic drug treatment reduces prevalence and morbidity.

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Investment in early childhood education and care (ECEC) programs is a cornerstone policy of the Australian Government directed toward increasing the educational opportunities and life chances made available to Australian Aboriginal and Torres Strait Islander (Indigenous) children. Yet, ECEC programs are not always effective in supporting sustained attendance of Indigenous families. A site-case analysis of Mount Isa, Queensland was conducted to identify program features that engage and support attendance of Indigenous families. This first study, reports the perspectives of early childhood professionals from across the entire range of group-based licensed (kindergarten and long day care) and non-licensed (playgroups, parent-child education) programs (n=19). Early childhood professionals reported that Indigenous families preferred non-licensed over licensed programs. Reasons suggested for this choice were that non-licensed services provided integration with family supports, were responsive to family circumstance and had a stronger focus on relationship building. Implications for policy and service provision are discussed.

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Conceptions of learning, as well as other associated aspects of prior knowledge, are theoretically important factors in influencing the manner in which the content and context of learning are engaged. The present study reports on: (a) the operationalisation of some of these factors aimed at isolating sources of explanatory variation that can be used for modelling purposes; and (b) a conservative exploration of the discriminatory power of, and exhibited patterns of association between, such sources of variation as have been isolated. Based on a conservative analytical approach, the results of the present study do not support a single clearly defined empirical model of conceptions of learning and associated constructs. Instead, there is consistent evidence that underlying empirical structures appear to be sensitive to the response context and other factors.

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This thesis asked whether more temperamentally reactive or difficult children are more sensitive to Early Childhood and Care (ECEC) environments than less reactive children. The aim was to assess what forms of ECEC provision best support more reactive children. The study analysed data from the national Effective Early Educational Experiences (E4Kids). Children with reactive temperament had less behavioural difficulties in classrooms with higher quality instruction but more when instructional quality was low. The findings underscore the importance of higher quality ECEC environments for temperamentally vulnerable children and the possibility that temperamentally reactive children are "barometers" of ECEC quality more generally.

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This study describes a field experiment assessing the effectiveness of education and technological innovation in reducing air pollution generated by domestic wood heaters. Two-hundred and twenty four households from a small regional center in Australia were randomly assigned to one of four experimental conditions: (1) Education only – households received a wood smoke reduction education pack containing information about the negative health impacts of wood smoke pollution, and advice about wood heater operation and firewood management; (2) SmartBurn only – households received a SmartBurn canister designed to improve combustion and help wood fires burn more efficiently, (3) Education and SmartBurn, and (4) neither Education nor SmartBurn (control). Analysis of covariance, controlling for pre-intervention household wood smoke emissions, wood moisture content, and wood heater age, revealed that education and SmartBurn were both associated with significant reduction in wood smoke emissions during the post-intervention period. Follow-up mediation analyses indicated that education reduced emissions by improving wood heater operation practices, but not by increasing health risk perceptions. As predicted, SmartBurn exerted a direct effect on emission levels, unmediated by wood heater operation practices or health risk perceptions.

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This article presents an ongoing study within early childhood education for sustainability at the Department for Early Childhood Education in Stavanger, in collaboration with the School of Early Childhood, Queensland University of Technology, in Brisbane, Australia. The study commenced in 2014, and will compare the responses to interviews of young children (4-5 years) in Brisbane with those of children in Stavanger, in order to find out ways to enhance learning about sustainability topics, to identify which kind of environmental/sustainability activities are memorable for young children, and to obtain mutual inspiration about early childhood education for sustainability from the different countries.

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A compelling body of studies identifies the importance of sleep for children’s learning, behavioral regulation, and health. These studies have primarily focused on nighttime sleep or on total sleep duration. The independent contribution of daytime sleep, or napping, in childhood is an emerging research focus. Daytime sleep is particularly pertinent to the context of early childhood education and care (ECEC) where, internationally, allocation of time for naps is commonplace through to the time of school entry. The biological value of napping varies with neurological maturity and with individual circumstance. Beyond the age of 3 years, when monophasic sleep patterns become typical, there is an increasing disjuncture between children’s normative sleep requirements and ECEC practice. At this time, research evidence consistently identifies an association between napping and decreased quality and duration of night sleep. We assess the implications of this evidence for educational practice and health policy. We identify the need to distinguish the functions of napping from those of rest, and assert the need for evidence-based guidelines on sleep–rest practices in ECEC settings to accommodate individual variation in sleep needs. Given both the evidence on the impact of children’s nighttime sleep on long-term trajectories of health and well-being and the high rates of child attendance in ECEC programs, we conclude that policy and practice regarding naptime have significant implications for child welfare and ongoing public health.

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In Australia while "appropriate provision for sleep and rest" in early education and care settings is legislated there is no research base to define appropriate practice. This study provided the first, comprehensive documentation of sleep practices in early education and care and assessed their impacts on child health and well-being. The evidence supports development of practice guidelines to manage the complex individual and organisational factors associated with provisions for sleep and rest. The thesis contributes to significant international debate in sleep science regarding the benefits of promoting day-sleep during a period characterized by decline in biological propensity to nap.

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This chapter takes as a working premise that digital culture is embedded in the every-day life experiences of most children living in post-industrial societies, both in home and, increasingly, in educational contexts. We outline how our research project investigated strategies for developing learning in the arts for young children by using the iPad as a creative device, rather than one on which they consume content in the form of games, on demand television and streaming video. We ask critical questions around creative ecologies and creative production; these grow from our observations on how young children and their families engaged with iPads through activities such as combining painting with digital photography. Analysis of work samples produced by children during the project enables interrogation of the ways in which young children can participate in arts practices and learning when digital media production is available. The chapter is structured around three themes of practice for iPad-based arts and creative education in preschool settings.