945 resultados para Racionalidade instrumental


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The present study examined the support needs for urban and rural family caregivers of a palliative family member using a cross-sectional telephone survey in northeastern Ontario, Canada (n = 140; 70 urban, 70 rural). Support needs identified as most important by both the groups were informational. Rural caregivers reported greater unmet needs in tangible support (P =.01). No differences were observed between the groups for emotional or informational support needs (P =.25 and P =.35, respectively). Rural and urban caregivers perceived care for care recipients as accessible (mean accessibility score 1.9, standard deviation [SD] = 0.09 and 1.7, SD = 0.7, respectively, P =.20); the majority indicated that when needed, services were easily and quickly obtained. Although there are similarities in the formal care experiences, rural caregivers experience greater unmet needs in receiving support for instrumental activities. © The Author(s) 2013.

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Interweaving planar spiral conductors in doubly periodic arrays enable substantially sub-wavelength resonant response along with broadening fractional bandwidth. A self-contained analytical model is proposed to accurately predict the characteristics of the intertwined quadrifilar spiral array near the fundamental resonance. The model, based upon a multiconductor transmission line (MTL) approach, provides physical insight into the unique properties of the distributed interactions between the interleaved counter-wound spiral arms extended beyond a single unit cell and elucidates the mechanisms underlying the array performance at normal and oblique incidence of TE and TM polarised waves. The developed MTL model is instrumental in the design of the artificial surfaces with the specified response.

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Social work in the United Kingdom remains embroiled in concerns about child protection error. The serious injury or death of vulnerable children continues to evince much consternation in the public and private spheres. Governmental responses to these concerns invariably draw on technocratic solutions involving more procedures, case management systems, information technology and bureaucratic regulation. Such solutions flow from an implicit use of instrumental rationality based on a ‘means-end’ logic. While bringing an important perspective to the problem of child protection error, instrumental rationality has been overused limiting discretion and other modes of rational inquiry. This paper argues that the social work profession should apply an enlarged form of rationality comprising not only the instrumental-rational mode but also the critical-rational, affective-rational and communicative-rational forms. It is suggested that this combined, conceptual arsenal of rational inquiry leads to a gestalt which has been termed the holistic-rational perspective. It is also argued that embracing a more rounded perspective such as this might offer greater opportunities for reducing child protection error.

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We present a new, diatom-based sea-level reconstruction for Iceland spanning the last -500 years, and investigate the possible mechanisms driving the sea-level changes. A sea-level reconstruction from near the Icelandic low pressure system is important as it can improve understanding of ocean-atmosphere forcing on North Atlantic sea-level variability over multi-decadal to centennial timescales. Our reconstruction is from Viarhólmi salt marsh in Snæfellsnes in western Iceland, a site from where we previously obtained a 2000-yr record based upon less precise sea-level indicators (salt-marsh foraminifera). The 20th century part of our record is corroborated by tide-gauge data from Reykjavik. Overall, the new reconstruction shows ca0.6m rise of relative sea level during the last four centuries, of which ca0.2m occurred during the 20th century. Low-amplitude and high-frequency sea-level variability is super-imposed on the pre-industrial long-term rising trend of 0.65m per 1000 years. Most of the relative sea-level rise occurred in three distinct periods: AD 1620-1650, AD 1780-1850 and AD 1950-2000, with maximum rates of ~3±2mm/yr during the latter two of these periods. Maximum rates were achieved at the end of large shifts (from negative to positive) of the winter North Atlantic Oscillation (NAO) Index as reconstructed from proxy data. Instrumental data demonstrate that a strong and sustained positive NAO (a deep Icelandic Low) generates setup on the west coast of Iceland resulting in rising sea levels. There is no strong evidence that the periods of rapid sea-level rise were caused by ocean mass changes, glacial isostatic adjustment or regional steric change. We suggest that wind forcing plays an important role in causing regional-scale coastal sea-level variability in the North Atlantic, not only on (multi-)annual timescales, but also on multi-decadal to centennial timescales.

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Tomato is the second most widely grown vegetable crop across the globe and it is one of widely cultivated crops in Sri Lanka. However, tomato industry in Sri Lanka facing a problem of high postharvest loss (54%) during the glut coupled with heavy revenue loss to the country by importing processed products. The aim of this work is to develop shelf-stable tomato product with maximum quality characteristics using high pressure processing (HPP). Tomato juice with altered and unaltered pH was processed using HPP at 600 MPa for 1 min after blanching (90 oC/2 min). As a control tomato juice was subjected to thermal processing (TP) at 95 oC /20 min. Processed samples were stored under 20oC and 28oC for 9 month period and analysed for total viable count (TVC) and instrumental colour (L, a, b) value at 0,1,2 3, and 4 week and 2, 3, 6 and 9 months interval. The raw juice sample had initial 6.69 log10 CFU/ml and both TP and HPP caused a more than 4.69 log10 reduction in the TVC of juice and microbial numbers remained low throughout the storage period even at 3 months after storage irrespective of the storage temperature. Both TP and HPP treated samples had the redness ⤘a value’ of 14.44-17.15 just after processing and showed non-significant reduction with storage in all the treatments after 3 months. The storage study results and discussed in relation to the end goal and compared with the literature.

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We review the physics of hybrid optomechanical systems consisting of a mechanical oscillator interacting with both a radiation mode and an additional matterlike system. We concentrate on the cases embodied by either a single or a multi-atom system (a Bose-Einstein condensate, in particular) and discuss a wide range of physical effects, from passive mechanical cooling to the set-up of multipartite entanglement, from optomechanical nonlocality to the achievement of non-classical states of a single mechanical mode. The reviewed material showcases the viability of hybridised cavity optomechanical systems as basic building blocks for quantum communication networks and quantum state-engineering devices, possibly empowered by the use of quantum and optimal control techniques. The results that we discuss are instrumental to the promotion of hybrid optomechanical devices as promising experimental platforms for the study of nonclassicality at the genuine mesoscopic level.

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The aim is to explore the protection that international human rights law offers to refugees, asylum-seekers, and the forcibly displaced. The ambition of the global rights framework is to guarantee a defined range of rights to all human beings, and thus move the basis for normative entitlement from exclusive reliance on national membership to a common humanity. This comprehensive and international perspective remains formally tied to states - acting individually or collectively - in terms of creation and implementation. The norms must find an entry point into the empirical world, and there must be clarity on responsibilities for practical delivery. It should remain unsurprising that the expectations raised by the normative reach of the law are frequently dashed in the complex and difficult human world of instrumental politics, power, and conflict. The intention here is to outline the international human rights law context, and indicate the value and limitations for the protection of refugees and asylum-seekers. A question is then raised about possible reform.

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The lecture traces the beginnings of the free improvisation scene in Europe, commencing in the 1960. I present a multitude of video and audio examples of some of the most prominent improvisers of the time.
I focus specifically on the scene that developed around John Stevens and his SME (Spontaneous Music Ensemble). The work of Derek Bailey, specifically his writings in “Improvisation: its nature and practice in music” (1980), will feature.

The practical workshop invites improvisers (beginners to advanced with any instruments) to work with me on several listening and improvisation exercises.
Many of the exercises will be based on the innovative methods as developed by John Stevens in his work “Search and Reflect”. Participants will be able to experiment with a few essential ‘sound/listening’ exercises, guided by myself.
It is envisaged that a small ensemble is formed which will explore several improvisatory strategies. This part is open to all skill levels, all ages and any instrumental groupings.

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While mental health services are increasingly encouraged to engage in family-focused practice, it is a nebulous and poorly understood term. The aim of this paper was to examine and synthesize evidence on the concept and scope of family-focused practice in adult and child and youth mental health care settings. An integrative literature review method was used. Medline, Embase, CINAHL, PsycInfo and Proquest electronic databases were systematically searched forabstracts published in English between 1994-2014. Data were extracted and constant comparative analysis conducted with 40 included articles. Family-focused practice was conceptualised variously depending on who was included in the „family‟, whether the focus was family of origin or family of procreation, and the context of practice. As a finding of the review, six core and inter-related family-focused practices were identified: family care planning andgoal-setting; liaison between families and services; instrumental, emotional and social support; assessment; psychoeducation; and a coordinated system of care between families and services. While family is a troubled concept, „family‟ as defined by its members forms a basis for practice that is oriented to providing a „whole of family‟ approach to care. In order to strengthen familymembers‟ wellbeing and improve their individual and collective outcomes, key principles and practices of family-focused practice are recommended for clinicians and policy makers across mental health settings.

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Necessary and sufficient conditions for choice functions to be rational have been intensively studied in the past. However, in these attempts, a choice function is completely specified. That is, given any subset of options, called an issue, the best option over that issue is always known, whilst in real-world scenarios, it is very often that only a few choices are known instead of all. In this paper, we study partial choice functions and investigate necessary and sufficient rationality conditions for situations where only a few choices are known. We prove that our necessary and sufficient condition for partial choice functions boils down to the necessary and sufficient conditions for complete choice functions proposed in the literature. Choice functions have been instrumental in belief revision theory. That is, in most approaches to belief revision, the problem studied can simply be described as the choice of possible worlds compatible with the input information, given an agent’s prior belief state. The main effort has been to devise strategies in order to infer the agents revised belief state. Our study considers the converse problem: given a collection of input information items and their corresponding revision results (as provided by an agent), does there exist a rational revision operation used by the agent and a consistent belief state that may explain the observed results?

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Work for unaccompanied violin commissioned by Fenella Humphreys for the 'Bach to the Future' project along with works by five other leading composers. Premiered at The Maltings, Snape and subsequently recorded on CD and performed around the UK. CD selected as BBC Music Magazine 'Instrumental Disc of the Month', 10/2015

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Among the most veiled and emotionally charged of life’s experiences are those related to death. Given that poetry has long been recognized as an unparalleled means of expressing and understanding the most complex and emotional aspects of life (Sherry and Schouten, 2002), it is of little surprise that few poets regarded as the finest of all wordsmiths have not, since time immemorial, grappled with death.

Recently, within marketing and consumer research, poetry has slowly but progressively come to be recognized as a means by which to understand, express, celebrate, and/or confront that which defies scientific or other more “scholarly” explanation (Canniford, 2012; Wijland, 2011; Sherry and Schouten, 2002). This “poetic turn” has manifest itself most notably within the nascent realm of Consumer Culture Theory (CCT); mainly in poetry reading sessions held—with published chapbooks in hand—in concurrence with the annual CCT symposium. Death-related poetry penned by marketing and consumer researchers has there entered—albeit randomly—the CCT circuit (see, for example: Arnould, 2014; Steinfield, 2014; Gabel, 2013, 2010; Downey, 2011, 2010a, 2010b, 2010c).

This chapter represents the first formal, organized attempt to better understand death-related consumption experience and meaning via the creation and dissemination of original works of poetry. The chapter’s title reflects the broad, eclectic perspective of death and consumption herein pursued. We consider funerary and other—good, service, and ideological—product consumption activities and experiences transpiring in the context of death. We also embrace the notion that death often brutally consumes those dealing with it; a sort of “consumption of consumers by death.” In turn, as vividly expressed in several of the poems in this chapter, consumption acts or experiences and/or memories thereof may be instrumental in coping with “being consumed by death.”

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This paper examines the relationship between stature and later life health in 6 emerging economies, each of which are expected to experience significant increases in the mean age of their populations over the coming decades. Using data from the WHO Study on Global Ageing and Adult Health (SAGE) and pilot data from the Longitudinal Ageing Study in India (LASI), I show that various measures of health are associated with height, a commonly used proxy for childhood environment. In the pooled sample, a 10 cm increase in height is associated with between a 2 and 3 percentage point increase in the probability of being in very good or good self-reported health, a 3 percentage point increase in the probability of reporting no difficulties with activities of daily living or instrumental activities of daily living, and between a fifth and a quarter of a standard deviation increase in grip strength and lung function. Adopting a methodology previously used in the research on inequality, I also summarise the height-grip strength gradient for each country using the concentration index, and provide a decomposition analysis.

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Death of a spouse is associated with increased mortality risk for the surviving partner (the widowhood effect), although the mechanisms driving the effect are poorly understood. After acute stress and grief have dissipated, mortality risk may be increased by loss of emotional and instrumental support for daily living and so we investigated whether social support at both the household and community levels moderated the influence of spousal bereavement on mortality risk.

We assembled death records from the Northern Ireland Mortality Study spanning almost nine years for a prospective cohort of 296,125 married couples enumerated in the 2001 Census. Presence of other adults within the household and urban/rural residence were used as measures of support at the household and community levels, with informal social support perceived to be strongest in rural areas. We used Cox proportional hazards models to estimate the effects of widowhood, sex, household composition and urban/intermediate/rural residence on all-cause mortality.

Elevated mortality risk during the first six months of widowhood was found in all areas and for both sexes (range of hazard ratios 1.24, 1.57). After more than six months the effect among men was attenuated in rural but not urban areas (HRs and 95%CIs 1.09 [0.99, 1.21] and 1.35 [1.26, 1.44] respectively). Among women the effect was attenuated in both rural and urban areas (HRs 1.06 [0.96, 1.17] and 1.09 [1.01, 1.17]). Mortality risk post bereavement was not associated with presence of other adults in the household.

We found some support for the hypothesis that informal social support is beneficial for reducing the impacts of spousal loss. Rural residence had a positive effect especially among men but presence of other adults in the household had no effect. The reasons for this discrepancy require further investigation and we identify men in urban areas as being at greatest risk in the long term.