741 resultados para Social sciences--Study and teaching


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Social work is more involved in the collective life of its clientele than are other human service activities, because it is directly concerned with the bonds and conflicts between individuals, and the co-operative and competitive aspects of groups and communities. Hence it relies on being sited in organisations relevant to service users' lives, and on being able to influence these collectivities. This article argues that the 'organisational landscape' is being transformed, as commercial enterprises (more mobile and adaptable than either state or non-government organisations) take over important aspects of collective provision. The implications of this transformation for practice are analysed, by reference to examples from the United Kingdom in particular.

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The past decade has witnessed a period of intense economic globalisation. The growing significance of international trade, investment, production and financial flows appears to be curtailing the autonomy of individual nation states. In particular, globalisation appears to be encouraging, if not demanding, a decline in social spending and standards. However, many authors believe that this thesis ignores the continued impact of national political and ideological pressures and lobby groups on policy outcomes. In particular, it has been argued that national welfare consumer and provider groups remain influential defenders of the welfare state. For example, US aged care groups are considered to be particularly effective defenders of social security pensions. According to this argument, governments engaged in welfare retrenchment may experience considerable electoral backlash (Pierson 1996; Mishra 1999). Yet, it is also noted that governments can take action to reduce the impact of such groups by reducing their funding, and their access to policy-making and consultation processes. These actions are then justified on the basis of removing potential obstacles to economic competitiveness (Pierson 1994; Melville 1999).

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Malcolm Payne’s latest work proposes to survey the continuity and change in social work from its inception and origins, up until the present day. In order to do justice to the theme, its author could have concentrated on developing a narrative of a national enterprise, or restricted himself to a regional analysis (Western European Social Work) or opt instead for a more narrowly focused cultural exploration, White Anglo-Saxon Social Work (WASSW). One can only infer that limiting himself in this fashion would have struck the author as parochial, or rather, that only a truly global enterprise could satisfy his capacious mind. One is left to marvel at the invocation of Darwin’s great work and wonder what was the process of the author’s “natural” selection of this material.

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The title ‘Frontiers of Social Research’ implies a pioneering spirit, embarking upon unchartered territories. However, the most fascinating and insightful moments of this book are those which explore age-old Japanese research techniques and the potential for new methodologies to look to the old. The key theme of the work is the role of the researcher and the researcher’s relationships with research participants, the research audience and with knowledge itself.

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This article examines social network users’ legal defences against content removal under the EU and ECHR frameworks, and their implications for the effective exercise of free speech online. A review of the Terms of Use and content moderation policies of two major social network services, Facebook and Twitter, shows that end users are unlikely to have a contractual defence against content removal. Under the EU and ECHR frameworks, they may demand the observance of free speech principles in state-issued blocking orders and their implementation by intermediaries, but cannot invoke this ‘fair balance’ test against the voluntary removal decisions by the social network service. Drawing on practical examples, this article explores the threat to free speech created by this lack of accountability: Firstly, a shift from legislative regulation and formal injunctions to public-private collaborations allows state authorities to influence these ostensibly voluntary policies, thereby circumventing constitutional safeguards. Secondly, even absent state interference, the commercial incentives of social media cannot be guaranteed to coincide with democratic ideals. In light of the blurring of public and private functions in the regulation of social media expression, this article calls for the increased accountability of the social media services towards end users regarding the observance of free speech principles

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BACKGROUND Social networking sites can be beneficial for senior citizens to promote social participation and to enhance intergenerational communication. Particularly for older adults with impaired mobility, social networking sites can help them to connect with family members and other active social networking users. The aim of this systematic review is to give an overview of existing scientific literature on social networking in older users. METHODS Computerized databases were searched and 105 articles were identified and screened using exclusion criteria. After exclusion of 87 articles, 18 articles were included, reviewed, classified, and the key findings were extracted. Common findings are identified and critically discussed and possible future research directions are outlined. RESULTS The main benefit of using social networking sites for older adults is to enter in an intergenerational communication with younger family members (children and grandchildren) that is appreciated by both sides. Identified barriers are privacy concerns, technical difficulties and the fact that current Web design does not take the needs of older users into account. CONCLUSIONS Under the conditions that these problems are carefully addressed, social networking sites have the potential to support today's and tomorrow's communication between older and younger family members.

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From a biological point of view, casting refers to filling of anatomical and/or pathological spaces with extraneous material that reproduces a three-dimensional replica of the space. Casting may be accompanied by additional procedures such as corrosion, in which the soft tissue is digested out, leaving a clean cast, or the material may be mixed with radiopaque substances to allow x-ray photography or micro computed topography (µCT) scanning. Alternatively, clearing of the surrounding soft tissue increases transparency and allows visualization of the casted cavities. Combination of casting with tissue fixation allows anatomical dissection and didactic surgical procedures on the tissue. Casting materials fall into three categories namely, aqueous substances (India ink, Prussian blue ink), pliable materials (gelatins, latex, and silicone rubber), or hard materials (methyl methacrylates, polyurethanes, polyesters, and epoxy resins). Casting has proved invaluable in both teaching and research and many phenomenal biological processes have been discovered through casting. The choice of a particular material depends inter alia on the targeted use and the intended subsequent investigative procedures, such as dissection, microscopy, or µCT. The casting material needs to be pliable where anatomical and surgical manipulations are intended, and capillary-passable for ultrastructural investigations.

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In modern medico-legal literature, only a small number of publications deal with fatal injuries from black powder guns. Most of them focus on the morphological features such as intense soot soiling, blast tattooing and burn effects in close-range shots or describe the wound ballistics of spherical lead bullets. Another kind of "unusual" and potentially lethal weapons are handguns destined for firing only blank cartridges such as starter and alarm pistols. The dangerousness of these guns is restricted to very close and contact range shots and results from the gas jet produced by the deflagration of the propellant. The present paper reports on a suicide committed with a muzzle-loading percussion pistol cal. 45. An unusually large stellate entrance wound was located in the precordial region, accompanied by an imprint mark from the ramrod and a faint greenish discoloration (apparently due to the formation of sulfhemoglobin). Autopsy revealed an oversized powder cavity, multiple fractures of the anterior thoracic wall as well as ruptures of the heart, the aorta, the left hepatic lobe and the diaphragm. In total, the zone of mechanical destruction had a diameter of approx. 15 cm. As there was no exit wound and no bullet lodged in the body, the injury was caused exclusively by the inrushing combustion gases of the propellant (black powder) comparable with the gas jet of a blank cartridge gun. In contact shots to ballistic gelatine using the suicide's pistol loaded with black powder but no projectile, the formation of a nearly spherical cavity could be demonstrated by means of a high-speed camera. The extent of the temporary cavity after firing with 5 g of black powder roughly corresponded to the zone of destruction found in the suicide's body.