3,953 research outputs found

    Sports coach as transformative leader: Arresting school disengagement through community sport based initiatives.

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    Reducing social exclusion through interventions designed to sustain school engagement is a key aim of the education and social policy of any government. This paper is a response to the call for there to be more focused empirical sports coaching research through examining the transformative potential of community based sports coaches to support schools in arresting school disengagement. By embracing an understanding that challenges the definitional core of sports coaching as simply improving the sporting performance of an individual or team, and, drawing theoretically on the work of Carlisle et al. (2006) and Shields (2010), the role of ‘coach as transformative leader’ is articulated. Analysis of data collected by means of semi-structured interviews with a group of community based sports coaches (n=8), revealed three factors salient to our understanding of re-engaging young people with formal education through sport. These were the impact of the community sport programme, the relationship between schools and community sports groups and, the implementation of transformative leadership qualities by sport coaching practitioners. Importantly, this paper explicates the pivotal function that coaching practice which embraces transformative leadership principles can have on re-orienting young people from disadvantaged backgrounds towards more optimistic futures and educational objectives

    Development of Pelagic Larvae and Postlarva of Squilla empusa (Crustacea, Stomatopoda), with an Assessment of Larval Characters within the Squillidae

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    Larvae of the predatory crustacean Squilla empusa were collected from the plankton in Chesapeake Bay and reared in the laboratory to permit description of the pelagic stages before the postlarval stage. Characters such as rostral length and spinulation, carapace spinulation, relative size of telson, overall body size, and appearance probably are of more value for specific than for generic identification. The presence or absence of teeth on the dactylus of the second maxilliped, the presence or absence of a spine on the basis of the second maxilliped, and the number of epipods may be useful characters in determining generic alliances of larvae belonging to the Squillidae, but present data are not adequate for construction of generic keys to stomatopod larva

    Market Power in UK Food Retailing: Theory and Evidence from Seven Product Groups

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    Establishing the presence of market power in food chains has become an increasingly pertinent line of enquiry given the trend towards increasing concentration that has been observed in many parts of the world. This paper presents a theoretical model of price transmission in vertically related markets under imperfect competition. The model delivers a quasi-reduced form representation that is empirically tractable using readily available market data to test for the presence of market power. In particular, we show that the hypothesis of perfect competition can be rejected if shocks to the demand and supply function are significant and correctly signed in price transmission equations. Using a cointegrated vector autoregression, we find empirical results that are consistent with downstream market power in six out of seven food products investigated, supporting both the findings of the UK competition authority's recent investigation in to supermarkets and renewed calls for further scrutiny of supermarket behaviour by the UK's Office of Trading.imperfect competition, Cointegrated VARs, UK food industry, Marketing, D4, L81,

    First aid strategies that are helpful to young people developing a mental disorder: beliefs of health professionals compared to young people and parents

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    <p>Abstract</p> <p>Background</p> <p>Little is known about the best ways for a member of the public to respond when someone in their social network develops a mental disorder. Controlled trials are not feasible in this area, so expert consensus may be the best guide.</p> <p>Methods</p> <p>To assess expert views, postal surveys were carried out with Australian GPs, psychiatrists and psychologists listed on professional registers and with mental health nurses who were members of a professional college. These professionals were asked to rate the helpfulness of 10 potential first aid strategies for young people with one of four disorders: depression, depression with alcohol misuse, social phobia and psychosis. Data were obtained from 470 GPs, 591 psychiatrists, 736 psychologists and 522 mental health nurses, with respective response rates of 24%, 35%, 40% and 32%. Data on public views were available from an earlier telephone survey of 3746 Australian youth aged 12–25 years and 2005 of their parents, which included questions about the same strategies.</p> <p>Results</p> <p>A clear majority across the four professions believed in the helpfulness of listening to the person, suggesting professional help-seeking, making an appointment for the person to see a GP and asking about suicidal feelings. There was also a clear majority believing in the harmfulness of ignoring the person, suggesting use of alcohol to cope, and talking to them firmly. Compared to health professionals, young people and their parents were less likely to believe that asking about suicidal feelings would be helpful and more likely to believe it would be harmful. They were also less likely to believe that talking to the person firmly would be harmful.</p> <p>Conclusion</p> <p>Several first aid strategies can be recommended to the public based on agreement of clinicians about their likely helpfulness. In particular, there needs to be greater public awareness of the helpfulness of asking a young person with a mental health problem about suicidal feelings.</p

    Two-pore channels: going with the flows

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    In recent years, our understanding of the structure, mechanisms and functions of the endo-lysosomal TPC (two-pore channel) family have grown apace. Gated by the second messengers, NAADP and PI(3,5)P2, TPCs are an integral part of fundamental signal-transduction pathways, but their array and plasticity of cation conductances (Na+, Ca2+, H+) allow them to variously signal electrically, osmotically or chemically. Their relative tissue- and organelle-selective distribution, together with agonist-selective ion permeabilities provides a rich palette from which extracellular stimuli can choose. TPCs are emerging as mediators of immunity, cancer, metabolism, viral infectivity and neurodegeneration as this short review attests

    Is there a correlation between infection control performance and other hospital quality measures?

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    Quality measures are increasingly reported by hospitals to the Centers for Medicare and Medicaid Services (CMS), yet there may be tradeoffs in performance between infection control (IC) and other quality measures. Hospitals that performed best on IC measures did not perform well on most CMS non–IC quality measures

    Sex differences in misperceptions of sexual interest can be explained by sociosexual orientation and men projecting their own interest onto women

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    Sex differences in misperceptions of sexual interest have been well documented; however, it is unclear whether this cognitive bias could be explained by other factors. In the current study, 1226 participants (578 men, 630 women) participated in a speed-dating study, where participants rated their sexual interest in each other as well as the sexual interest they perceived from their partners. Consistent with previous findings, we found that men tended to overperceive sexual interest from their partners, while women tended to underperceive sexual interest. However, this sex difference becomes negligible when considering potential mediators, such as the raters’ sociosexual orientation, and raters projecting their own levels of sexual interest onto their partners. These findings challenge the popular notion that sex differences in misperceptions in sexual interest have evolved as a specialised adaptation due to different selection pressures in men and women

    Deep Space Habitat Wireless Smart Plug

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    NASA has been interested in technology development for deep space exploration, and one avenue of developing these technologies is via the eXploration Habitat (X-Hab) Academic Innovation Challenge. In 2013, NASA's Deep Space Habitat (DSH) project was in need of sensors that could monitor the power consumption of various devices in the habitat with added capability to control the power to these devices for load shedding in emergency situations. Texas A&M University's Electronic Systems Engineering Technology Program (ESET) in conjunction with their Mobile Integrated Solutions Laboratory (MISL) accepted this challenge, and over the course of 2013, several undergraduate students in a Capstone design course developed five wireless DC Smart Plugs for NASA. The wireless DC Smart Plugs developed by Texas A&M in conjunction with NASA's Deep Space Habitat team is a first step in developing wireless instrumentation for future flight hardware. This paper will further discuss the X-Hab challenge and requirements set out by NASA, the detailed design and testing performed by Texas A&M, challenges faced by the team and lessons learned, and potential future work on this design
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