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81.
One popular framework for analysing web pages has been to think of them as identity performances on the part of the author. This framework opens up possibilities for analysis of the ways in which identity performances are composed. The personal web pages to which this perspective is most immediately applicable, are, however, now only a small proportion of the overall amount of information available on the World Wide Web. It would be possible, by extension, to analyse institutional web pages as performances of the institutional identity. It is the contention of this paper that to do so is to miss out on some important aspects of web page design: namely that the production of a web page involves understandings not only of the audience for the page but also of the capacities of the technology. In addition, web page production has to become a socially meaningful act for the individual web page developer and the institution concerned. It is, therefore, argued that the analysis of web pages can usefully learn from media studies and the sociology of technology in this respect. An interview-based study of the developers of web pages for the service departments of a UK university is described. The ideas of audience which the authors use are far from homogeneous: they include an institutional offline audience for the page, a pre-existing imagined audience, developers themselves as audience, and the technology of the browser as a stand-in audience. The audience and the capacities of the technology are developed in context through the practices of designers.  相似文献   
82.
83.
This paper explores the ways in which social workers can be helped to acquire the wider understanding of relevant legal frameworks which is currently necessary for child-centred practice, given the influence of an ecological perspective on such practice. It arises from the development of a module on child care social work and the community for the Post Qualifying Child Care Award by members of the Law and Social Work Departments at Brunel University. The authors believe that to reach beyond a tokenistic acknowledgement of the ecological perspective requires an understanding and experience of the complex layers which make up the widening and complex social worlds of the child. The paper explains how social workers were encouraged to appreciate both the ever-widening circles of potentially relevant law and the different roles through which law operates. It concludes that a deeper engagement with the legal implications of an ecological dimension to practice would make such practice more effective and would also help combat social exclusion and discrimination.  相似文献   
84.
This study explored the role of market-oriented public relations. The study involved two surveys; one explored the perspectives of business managers and another of the perspectives of public relations practitioners, and compared their views concerning market-oriented and non-market-oriented relations. While business managers and public relations practitioners of non-market-oriented relations valued the contribution of market-oriented public relations to organizational effectiveness in terms of revenue generation and cost reduction, practitioners of market-oriented public relations ascribed their contribution to organizational effectiveness in terms of media publicity and exposure. This paper concludes with a discussion of practical applications and theoretical implications.  相似文献   
85.
Why are the important gender inequality issues different in various countries around the world? This question is answered using a comparative perspective on extant research about gender inequalities in the regions of the world. Just as there is diversity among individual women, based on their intersecting axes of age, race, ethnicity, class, marital status, sexual orientation, religion, or other characteristics, I argue that there is diversity across countries in their gender inequalities based on intersecting axes of transnational, regional, cross‐cutting, and unique national issues that structure gendered or feminist concerns within any country. Global and regional dynamics are the interrelated foundations on which broad gender inequalities are built. Major transnational dynamics include neoliberal economics, migration, and violence, while regional patterns include nation building and gendered inequalities in education and property ownership. On the other hand, unique national trajectories and cross‐cutting themes, found in a few nations in each region, add much greater variation to those basic inequalities. Some of those cross‐cutting themes are problems generated by health status and health services, the relationship of religion to the state, and war or militarism.  相似文献   
86.
One of the most important factors affecting inequitable health opportunities is the work activity. The respective supervisor exerts influence on the subordinates’ health and well-being. This study investigates health-promoting leadership behavior among low-skilled, culturally diverse workforces through interviews with employees and managers of the lowest hierarchical level (N?=?53). Information and approachability as well as appreciative feedback and showing interest of the supervisor are identified as relevant target group specific leadership behavior. Health-promoting effects of work design, learning opportunities as well as strain the supervisors themselves suffer from were also examined.  相似文献   
87.
The six recommendations made by the Guidelines for Assessment and Instruction in Statistics Education (GAISE) committee were first communicated in 2005 and more formally in 2010. In this article, 25 introductory statistics textbooks are examined to assess how well these textbooks have incorporated the three GAISE recommendations most relevant to implementation in textbooks (statistical literacy and thinking; use of real data; stress concepts over procedures). The implementation of another recommendation (using technology) is described but not assessed. In general, most textbooks appear to be adopting the GAISE recommendations reasonably well in both exposition and exercises. The textbooks are particularly adept at using real data, using real data well, and promoting statistical literacy. Textbooks are less adept—but still rated reasonably well, in general—at explaining concepts over procedures and promoting statistical thinking. In contrast, few textbooks have easy-usable glossaries of statistical terms to assist with understanding of statistical language and literacy development. Supplementary materials for this article are available online.  相似文献   
88.
ABSTRACT

We consider the case of production units arranged into a number of groups. All units within a group choose output–input combinations from the same production possibilities set that is represented by a stochastic frontier model. The metafrontier is the envelope of the group-specific frontiers. We are interested in the metafrontier distance, which is the amount by which the group-specific frontier lies below the metafrontier.

Previous work has measured the metafrontier distance using the deterministic portion of the frontier. In a stochastic frontier model, this is not appropriate. We show how to evaluate the metafrontier distance, and we demonstrate the empirical relevance of this issue.  相似文献   
89.
This paper deals with the classical problem of density estimation on the real line. Most of the existing papers devoted to minimax properties assume that the support of the underlying density is bounded and known. But this assumption may be very difficult to handle in practice. In this work, we show that, exactly as a curse of dimensionality exists when the data lie in Rd, there exists a curse of support as well when the support of the density is infinite. As for the dimensionality problem where the rates of convergence deteriorate when the dimension grows, the minimax rates of convergence may deteriorate as well when the support becomes infinite. This problem is not purely theoretical since the simulations show that the support-dependent methods are really affected in practice by the size of the density support, or by the weight of the density tail. We propose a method based on a biorthogonal wavelet thresholding rule that is adaptive with respect to the nature of the support and the regularity of the signal, but that is also robust in practice to this curse of support. The threshold, that is proposed here, is very accurately calibrated so that the gap between optimal theoretical and practical tuning parameters is almost filled.  相似文献   
90.
Abstract

In December 2012, Eric Hanson interviewed Christopher Cronin, director of technical services at the University of Chicago, about their participation as an RDA test partner and issues surrounding RDA training and implementation.  相似文献   
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