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Social media content generated by learning communities within universities is serving both pedagogical and marketing purposes. There is currently a dearth of literature related to social media use at the departmental level within Higher Education Institutions (HEIs). This study explores the multi-voiced interactions of a UK Psychology department’s ‘rotation curation’ approach to using Twitter. An in-depth analysis of a corpus of 4342 tweets by 58 curators (14 staff, 41 students, and 3 guest curators) was carried out using a combination of computer-assisted and manual techniques to generate a quantitative content analysis. The interactions received (e.g. retweets and favorites) and type of content posted (e.g. original tweets, retweets and replies) varied by curator type. Student curators were more likely to gain interactions from other students in comparison to staff. This paper discusses the benefits and potential limitations of a multi-voiced ‘rotation curation’ approach to social media management.  相似文献   
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Lifelong learning is recognized as an important tool to reduce social exclusion, but out of the many investigations into the provision of lifelong learning in Europe none has yet sought to examine the specific situation of mental health care service users. This study examines the provision of lifelong learning for this disadvantaged group; it identifies current policies and explores the access to, and nature of, lifelong learning practices for mental health care service users in eight European countries. Data have been collected through a literature and policy review and through questionnaires completed by mental health practitioners in the eight countries. The study found broad compliance amongst the eight countries with the Lisbon policy goals on lifelong learning, but evidence of specific lifelong learning provision for mental health care service users is patchy and sporadic. The study identified the main benefits of, and the barriers to, the participation in lifelong learning for mental health care service users from the viewpoint of mental health professionals and practitioners. The implications for practice were described, and suggestions for actions were made for improving the lifelong learning provision for the target group.  相似文献   
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We aimed to describe the frequency of showering after physical education (PE) in English high-school pupils. We examined differences in physical activity (PA) and cardiorespiratory fitness according to showering behaviours and examined predictors of showering. We measured PA and cardiorespiratory fitness of n = 3921 pupils (11–16 years, 53.5% males) from eight high schools. Pupils self-reported showering behaviour and parental PA levels. We calculated deprivation and distance travelled to school from their home postcode. Overall, 53% of boys and 68% of girls said they never shower after PE. Pupils who did not shower after PE were less physically active and engaged in fewer team sports. Girls who did not shower also had lower cardiorespiratory fitness than those who did. Showering behaviour varied greatly by school, so we adjusted for clustering at the school level. Pupils were more likely to shower if they were active with their parents [odds ratio (OR) = 1.72; 95% CI: 1.43, 2.07] and less likely to shower if they were from deprived areas (OR = 0.68; 95% CI: 0.52, 0.88). Showering after PE is relatively rare in English schoolchildren, particularly girls. While we cannot infer causality regarding the relationships found here, the low rates of showering and the lower PA and cardiorespiratory fitness (in girls) observed in schoolchildren who do not shower suggest research is needed to determine whether showering is a barrier to being physically active during PE.  相似文献   
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Insecticidal effects of different doses of the dust and methanol extracts of Garcinia kolae on Collosobruchus maculatus and Sitophilus zeamais were tested. The dust had no significant effect on the two insects; none of them died even at 3 d after treatment. The methanol extracts, however, had rapid lethal effects on both C. maculatus and S. zeamais. The mortality of C. maculatus by the lowest concentration of methanol extracts ranged from 95%∼100% whereas in S. zeamais, the mortality ranged from 87.5%∼100% and 70%∼100% in concentrations of 1 g extract+3 ml methanol and 1 g extract+5 ml methanol, respectively, from 24 to 48 h. The least concentration of 1 g extract+15 ml methanol had no significant lethal effect on Sitophilus zeamais.   相似文献   
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INTRODUCTION The major sources of meat protein for the Nige- rian populace come mainly from livestock in the form of poultry, beef, mutton and pork. These major sources are being decreased by persistent drought, diseases, high cost of feed, primitive animal hus- bandry techniques and low productivity of local animal breeds. The increasing growth of human populations (Oyenuga, 1968) together with the rising standard of living has also placed great pressure on the existing sources of animal…  相似文献   
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This study describes the concepts used by two classes of middle school (Grade 8) children, one advanced and the other of average ability, to explain the changes that occur when water is heated to boiling point. There was little difference between the advanced and average group in terms of the personal misconceptions used to explain boiling. The study also examines the changes that take place in conceptual knowledge immediately after instruction using a specific strategy of conceptual conflict resolved through the mediation of analogy. Results show that some pupils acquire a scientific understanding of the process of boiling but for others personal misconceptions continue to be held.  相似文献   
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