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111.
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The purpose of this study was to quantify the global match demands of international rugby sevens and to compare the match demands of forwards and backs, and between tournament rounds. To assess the match demands, global positioning system (GPS) and video analysis were collected from 27 international rugby sevens players from the same team across an entire International Rugby Board Sevens World Series season. Differences in running demands and match activities between forwards and backs were mostly trivial and small (ES = 0.05–0.84) while differences in running demands and match activities between Pool and Cup rounds were trivial (ES = 0.001–0.12). Cup round matches showed an increase in long-duration ball-in-play sequences (proportion ratio 0.46). These findings suggest international rugby sevens forwards and backs experience similar match demands while overall match demands remain consistent across tournament rounds. 相似文献
113.
Mirit Hen Maria Ronen Alex Deitch Efrat Barbiro-Michaely Ziv Oren Chaim N. Sukenik Doron Gerber 《Biomicrofluidics》2015,9(5)
Microfluidic-based protein arrays are promising tools for life sciences, with increased sensitivity and specificity. One of the drawbacks of this technology is the need to create fresh surface chemistry for protein immobilization at the beginning of each experiment. In this work, we attempted to include the process of surface functionalization as part of the fabrication of the device, which would substitute the time consuming step of surface functionalization at the beginning of each protein array experiment. To this end, we employed a novel surface modification using self-assembled monolayers (SAMs) to immobilize biomolecules within the channels of a polydimethylsiloxane (PDMS) integrated microfluidic device. As a model, we present a general method for depositing siloxane-anchored SAMs, with 1-undecyl-thioacetate-trichlorosilane (C11TA) on the silica surfaces. The process involved developing PDMS-compatible conditions for both SAM deposition and functional group activation. We successfully demonstrated the ability to produce, within an integrated microfluidic channel, a C11TA monolayer with a covalently conjugated antibody. The antibody could then bind its antigen with a high signal to background ratio. We further demonstrated that the antibody was still active after storage of the device for a week. Integration of the surface chemistry into the device as part of its fabrication process has potential to significantly simplify and shorten many experimental procedures involving microfluidic–based protein arrays. In turn, this will allow for broader dissemination of this important technology. 相似文献
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Iria Giuffrida Alex Hall 《British journal of educational technology : journal of the Council for Educational Technology》2023,54(6):1587-1603
Technology integration in higher education (HE) has brought immense innovation. While research is investigating the benefits of leveraging, through learning analytics, the data created by the greater presence of technology in HE, it is also analysing the privacy implications of vast universes of data now at the fingertips of HE administrators. This paper argues that student privacy challenges linked to technology integration occur not only within but also beyond learning environments, namely at the enterprise level. By analysing the UK and US legal frameworks surrounding how HE institutions respond to parents demanding disclosure of their adult children's personal data in the event of mental health crises, this paper offers an example of real and complex privacy issues, often overlooked by interdisciplinary inquiry, that exist in the ‘interstitial space’ between HE technology and privacy law. The purpose of conducting a comparative analysis was to demonstrate that countries with different privacy regimes are similarly ill-equipped to address certain student privacy issues at the HE enterprise level, leaving HEIs exposed to potential litigation/regulatory risks. The contribution of this work is to invite greater interdisciplinary awareness of, and inquiry into, student privacy beyond learning environments. 相似文献
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Peter Neil Alex McEwen Karen Carlisle & Damian Knipe 《British Journal of Special Education》2001,28(4):174-181
School self-evaluation allows staff to review the quality of their work in relation to local contexts. In this article, Peter Neil, senior lecturer in education, Alex McEwen, professor of education, and Karen Carlisle and Damian Knipe, both research assistants in the Graduate School of Education at Queen's University, Belfast, discuss a research project focusing on the process of self-evaluation carried out by staff at a special school in Northern Ireland. The project involved the participants in the completion of a research journal over a four-week period. The authors describe the ways in which the outcomes of the project were fed back to staff and the impact the project had on a range of issues, including teaching and learning and the school's professional development agenda. 相似文献
118.
Alex Elwick 《牛津教育评论》2017,43(6):677-694
In 2002 Michael Bloomberg took office as Mayor of New York City and, over the next 12 years of his administration, oversaw a series of sweeping reforms in order to ‘fix’ the broken education system which he believed he had inherited. This paper details the key policy reforms in New York City’s public school system during this period, assessing the extent to which the reforms were successful and what can be learnt from a policy perspective for other urban education systems. It outlines the radical programme of school closure, structural reform, and the introduction of new measures of accountability and autonomy, concluding that reform in New York City can be grouped into four categories: leadership; structure and schools; accountability; and teachers. While a lack of targeted evaluation means that it is not possible to prove causation, it nonetheless shows that there is a correlation between this set of reforms and the fact that by 2013 New York City’s performance on national tests placed it amongst the best urban school districts in America when compared with other cities serving similar populations. 相似文献
119.
Alex P. Leith Rabindra A. Ratan Donghee Yvette Wohn 《Journal of Science Education and Technology》2016,25(4):655-664
Given the diversity and complexity of education game mechanisms and topics, this article contributes to a theoretical understanding of how game mechanisms “map” to educational topics through inquiry-based learning. Namely, the article examines the presence of evolution through natural selection (ENS) in digital games. ENS is a fundamentally important and widely misunderstood theory. This analysis of ENS portrayal in digital games provides insight into the use of games in teaching ENS. Systematic database search results were coded for the three principles of ENS: phenotypic variation, differential fitness, and fitness heritability. Though thousands of games use the term evolution, few presented elements of evolution, and even fewer contained all principles of ENS. Games developed to specifically teach evolution were difficult to find through Web searches. These overall deficiencies in ENS games reflect the inherent incompatibility between game control elements and the automatic process of ENS. 相似文献
120.
School responses to the Prevent agenda have tended to focus primarily on ‘safeguarding’ approaches, which essentially perceive some young people as being ‘at risk’ and potentially as presenting a risk to others. In this article, we consider evidence from secondary school students who experienced a curriculum project on terrorism, extremism and radicalisation. We argue that a curriculum response which addresses the acquisition of knowledge can build students’ critical capacity for engagement with radicalisation through enhanced political literacy and media literacy. We further argue this represents a genuinely educational response to Prevent, as opposed to a more restrictive securitised approach. 相似文献