144 resultados para new media in technical education


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Existing research shows a slow transition to online education by many university teaching staff. A mixed methods approach is used to survey teacher educators in three jurisdictions in the UK who have made the transition to online teaching, followed by focus group and individual interviews to triangulate the data. The eight tenets of connectivism are used as a lens for analysis. Findings reveal sound pedagogical reasons for the limited choice of online tools and tutors highlight two elements, namely, self-fulfilment and their desire to continually develop as an educator, as the rationale for adopting informal professional development in the 21st century.

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Congenital or familial erythrocytosis/polycythemia can have many causes, and an emerging cause is genetic disruption of the oxygen-sensing pathway that regulates the Erythropoietin (EPO) gene. More specifically, recent studies have identified erythrocytosis-associated mutations in the HIF2A gene, which encodes for Hypoxia Inducible Factor-2a (HIF-2a), as well as in two genes that encode for proteins that regulate it, Prolyl Hydroxylase Domain protein 2 (PHD2) and the von Hippel Lindau tumor suppressor protein (VHL). We report here the identification of two new heterozygous HIF2A missense mutations, M535T, and F540L, both associated with erythrocytosis. Met-535 has previously been identified as a residue mutated in other patients with erythrocytosis; although, the mutation of this particular residue to Thr has not been reported. In contrast, Phe-540 has not been reported as a residue mutated in erythrocytosis, and we present evidence here that this mutation impairs interaction of HIF-2a with both VHL and PHD2. © 2012 Wiley Periodicals, Inc.

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The aim of this study is to investigate the stress experienced by full-time
maingrade lecturers as a result of changes in college organisation and factors that relate to stress. A questionnaire was constructed to identify possible sources of stress at work and the amount of stress experienced. Two psychometric measures were included—the General Health Questionnaire and the Maslach Burnout Inventory. The former looked at the physiological and psychological effects of stress and the latter, the emotive, cognitive and
behavioural effects, together referred to as 'burnout'. The study sought to investigate stress responses between lecturers employed in colleges that have undergone organisational change compared to those that have not. Two hundred questionnaires and psychometric measures were distributed, by opportunity, to 100 lecturers employed in FE colleges in the north of England and 100 employed in colleges in Northern Ireland. Colleges in the former region had undergone changes in college organisation as a result of incorporation. Colleges in the
latter had not. Incorporation referred to the process whereby colleges became independent of local government control. This led to a series of changes, some of which affected lecturers' terms and conditions. Overall, the indices of reported stress were comparable or markedly greater than earlier research findings, and the trend was for lecturers who had experienced organisational change to report higher measures of stress. GHQ measures showed a significant difference between samples, with the majority of the English sample (69.49%, compared to 40.91%) categorised as 'at risk' of developing symptoms associated with a
transient stress-related disorder, and whilst measures of 'burnout' were more pronounced in the English sample there were no significant differences between samples. In relation to a number of factors, the experience of stress and burnout was more pronounced in the Northern Ireland sample and explanations were offered, such as the influence of cultural variables and the increasing presence of stress-related features in these colleges as they move to incorporation.

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Following on from the Francis Report (2013) the need for a framework of service user involvement is required not just in the Health Service but also in Higher Education. There are wide variances globally on the levels of service user interaction and involvement in healthcare education. Health policy internationally has indicated a move towards developing partnerships with service users but to date this still remains elusive with the majority of user involvement consultative in approach. This paper aims to discuss the Health policy background and the current approaches taken in the involvement of service users in healthcare education.

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Hydrogenolysis of bark from three different species of tree using heterogeneous platinum group metal catalysts produces two major product streams. Aromatic substituted guaiacols are produced from lignin and the lignin-like regions of suberin and a range of saturated fatty acids and alcohols, including a,?-functionalised species, are produced from the polyester regions of suberin. Control experiments demonstrate clear advantages of catalytic hydrogenolysis over base hydrolysis, both in terms of conversion and product selectivity.

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There are many forms of Peer Assisted Learning (PAL). There are well-established theoretical models as to why PAL is proven to be effective across educational sectors. To maximise gains from PAL careful consideration needs to be given to the roles of peers. Evidence suggests that PAL projects with clearly defined roles for interaction result in strongest outcomes. Effect Sizes (ES) from meta-analyses of peer assisted learning indicate ES of between 0.25-0.50. Outcomes can be social and emotional as well as academic. PAL generally requires adaptation of existing resources and can be cost-effective to implement compared to other educational developments.

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