180 resultados para Quality Of Service


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Parenting behaviour is determined by a range of factors including personality, psychopathology, values, social support, child characteristics and socio-cultural influences. It has also been suggested that an individual's style of child-rearing is influenced by the style of parenting that they experienced as children. The relationships between children who fail-to-thrive and their parents are often characterized by interactional difficulties. Previous research using retrospective accounts suggested that mothers of children who fail-to-thrive for non-organic reasons themselves showed high levels of abuse, neglect, and deprivation during their childhoods. However, to date no one has investigated prospectively what kinds of parents failure-to-thrive individuals become. This paper examines the parenting experiences of individuals who had received psychosocial intervention for their non-organic failure-to-thrive as children over 20 years ago. Results suggest that where initial intervention failed to bring about long-term changes in family interactional patterns, there was a greater incidence of failure-to-thrive in the next generation. These families were characterized by dissatisfaction with the child, high levels of stress associated with the parenting role, and low levels of social support. However, where the family environment in the original study had changed substantially, the former clients' outcomes were more positive with their own children. These parents tended to find interaction with their children more rewarding, had good support networks and low levels of stress. The characteristics of particular cases are discussed in detail to illustrate differences between these two groups of individuals.

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Can learning quality be maintained in the face of increasing class size by the use of Computer Supported Co-operative Learning (CSCL) technologies? In particular, can Computer-Mediated Communication promote critical thinking in addition to surface information transfer? We compared face-to-face seminars with asynchronous computer conferencing in the same Information Management class. From Garrison's theory of critical thinking and Henri's critical reasoning skills, we developed two ways of evaluating critical thinking: a student questionnaire and a content analysis technique. We found evidence for critical thinking in both situations, with some subtle differences in learning style. This paper provides an overview of this work.

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The evaluation of outcome of management of angina patients is now inextricably linked with an assessment of quality of life. Angina, as a manifestation of coronary heart disease, is a major cause of morbidity and mortality in many countries. Optimal management of patients with angina is of undeniable national and global significance.

This paper attempts to indicate the importance of a team approach and the implications for patients’ quality of life of involving professionals with a variety of different skills. It outlines current guidelines for the management of angina, including aspects of diagnosis, treatment and rehabilitation. Factors of relevance to the management of patients as individuals are discussed. The association of improved quality of life and reduced severity of symptoms with benefit for both the individual and society is considered.

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Aims: To determine whether or not self reported visual functioning and quality of life in patients with choroidal neovascularisation caused by age related macular degeneration (AMD) is better in those treated with 12 Gy external beam radiotherapy in comparison with untreated subjects. Methods: A multicentre single masked randomised controlled trial of 12 Gy of external beam radiation therapy (EBRT) delivered as 6x2 Gy fractions to the macula of an affected eye versus observation. Patients with AMD, aged 60 years or over, in three UK hospital units, who had subfoveal CNV and a visual acuity equal to or better than 6/60 (logMAR 1.0). Methods: Data from 199 eligible participants who were randomly assigned to 12 Gy teletherapy or observation were available for analysis. Visual function assessment, ophthalmic examination, and fundus fluorescein angiography were undertaken at baseline and at 3, 6, 12, and 24 months after study entry. To assess patient centred outcomes, subjects were asked to complete the Daily Living Tasks Dependent on Vision (DLTV) and the SF-36 questionnaires at baseline, 6, 12, and 24 months after enrolment to the study. Cross sectional and longitudinal analyses were conducted using arm of study as grouping variable. Regression analysis was employed to adjust for the effect of baseline co-variates on outcome at 12 months and 24 months. Results: Both control and treated subjects had significant losses in visual functioning as seen by a progressive decline in mean scores in the four dimensions of the DLTV. There were no statistically significant differences between treatment and control subjects in any of dimensions of the DLTV at 12 months or 24 months after study entry. Regression analysis confirmed that treatment status had no effect on the change in DLTV dimensional scores. Conclusions: The small benefits noted in clinical measures of vision in treated eyes did not translate into better self reported visual functioning in patients who received treatment when compared with the control arm. These findings have implications for the design of future clinical trials and studies.

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Wireless enabled portable devices must operate with the highest possible energy efficiency while still maintaining a minimum level and quality of service to meet the user's expectations. The authors analyse the performance of a new pointer-based medium access control protocol that was designed to significantly improve the energy efficiency of user terminals in wireless local area networks. The new protocol, pointer controlled slot allocation and resynchronisation protocol (PCSAR), is based on the existing IEEE 802.11 point coordination function (PCF) standard. PCSAR reduces energy consumption by removing the need for power saving stations to remain awake and listen to the channel. Using OPNET, simulations were performed under symmetric channel loading conditions to compare the performance of PCSAR with the infrastructure power saving mode of IEEE 802.11, PCF-PS. The simulation results demonstrate a significant improvement in energy efficiency without significant reduction in performance when using PCSAR. For a wireless network consisting of an access point and 8 stations in power saving mode, the energy saving was up to 31% while using PCSAR instead of PCF-PS, depending upon frame error rate and load. The results also show that PCSAR offers significantly reduced uplink access delay over PCF-PS while modestly improving uplink throughput.

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This paper explores the complex interrelationship between service user and professional social work discourses and provides a critical commentary on their respective contributions to the recent review of mental health policy and legislation in Northern Ireland. The analysis indicates that dominant trends in mental health care, as mediated through service structures and institutional identities, have tended to prioritize the more coercive aspects of the social work role and reinforce existing power inequalities with service users. It is argued that such developments underline the need for a ‘refocusing’ debate in mental health social work to consider how a more appropriate balance can be achieved between its participatory/empowering and regulatory/coercive functions. Whilst highlighting both congruence and dissonance between respective discourses, the paper concludes that opportunities exist within the current change process for service users and social workers to build closer alliances in working together to reconstruct practice, safeguard human rights and develop innovative alternatives to a traditional bio-medical model of treatment.