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Träfflista för sökning "WFRF:(Porter John) srt2:(2010-2014)"

Sökning: WFRF:(Porter John) > (2010-2014)

  • Resultat 1-9 av 9
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1.
  • Field, Christopher B., et al. (författare)
  • Summary for Policymakers
  • 2014
  • Ingår i: Climate Change 2014: Impacts, Adaptation, and Vulnerability. Part A: Global and SectoralAspects.. - 9781107415379 ; , s. 1-32
  • Bokkapitel (refereegranskat)
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  • Harrold, Mary Jean, et al. (författare)
  • Introducing Continuous Selective Testing of Evolving Software Version 0.2
  • 2010
  • Konferensbidrag (refereegranskat)abstract
    • In today's evolutionary development of software, continuous testing is needed to ensure that the software is still functioning after changes. Test automation helps partly managing the large number of executions needed, but there is also a limit for how much automated tests may be executed. Then systematic approaches for test selection are needed also for automated tests. This manuscript defines this situation and outlines a general method and tool framework for its solution. Experiences from different companies are collected to illustrate how it may be set into practice.
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  • McCambridge, Jim, et al. (författare)
  • The Use of Deception in Public Health Behavioral Intervention Trials: A Case Study of Three Online Alcohol Trials
  • 2013
  • Ingår i: American Journal of Bioethics. - : ROUTLEDGE JOURNALS, TAYLOR and FRANCIS LTD, 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXFORDSHIRE, ENGLAND. - 1526-5161 .- 1536-0075. ; 13:11, s. 39-47
  • Tidskriftsartikel (refereegranskat)abstract
    • Some public health behavioral intervention research studies involve deception. A methodological imperative to minimize bias can be in conflict with the ethical principle of informed consent. As a case study, we examine the specific forms of deception used in three online randomized controlled trials evaluating brief alcohol interventions. We elaborate our own decision making about the use of deception in these trials, and present our ongoing findings and uncertainties. We discuss the value of the approach of pragmatism for examining these kinds of ethical issues that can arise in research on public health interventions.
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  • Njozing, Barnabas N, 1974- (författare)
  • Bridging the Gap : implementing tuberculosis and HIV/AIDS collaborative activities in the Northwest Region of Cameroon
  • 2011
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • Introduction The human immunodeficiency virus (HIV) epidemic has led to the upsurge of tuberculosis (TB) infection globally, but most especially in areas with high HIV prevalence. In the past, there was lack of a coordinated global and national response between TB and HIV programmes to curb the devastating impacts of both infections. However, the ProTEST Initiative piloted in sub-Saharan Africa in 1997 demonstrated that TB and HIV programmes could collaborate successfully in delivering joint services. This prompted the development of the WHO interim policy on collaborative TB/HIV activities in 2004, aimed at reducing the burden of TB and HIV in populations affected by both infections. This thesis explores how collaborative activities between TB and HIV programmes have been established in Cameroon and implemented in the Northwest Region. It also highlights the achievements and constraints in delivering joint services to TB patients co-infected with HIV. Methods The study was conducted in the Northwest Region, one of the 10 regions of Cameroon with the highest HIV prevalence. The study uses health system research combining qualitative and quantitative methods to explore the research objectives. Qualitative methods were used to capture the perspectives of: i) the service providers; key informants from the central, regional and district levels concerned with the collaboration process and in delivering HIV services to TB patients, and ii) TB patients regarding HIV testing as an entry point to HIV services. Quantitative methods were used to ascertain TB patients’ access to HIV services provided for by the collaboration. Results The study demonstrated that although there were varying levels of collaboration between TB and HIV programmes from the central to operational level in the health system, delivering joint services was feasible. Furthermore, despite the challenges TB patients faced in testing for HIV, overall implementing TB/HIV collaborative activities increased TB patients’ acceptability and accessibility to HIV services. These were facilitated by the improved collaboration at the operational level, and enhanced service provider-patient alliance which was instrumental in building patients’ trust in the health system. Collaboration also led to cross-training and teamwork between staffs from both programmes, and improved networking between service providers and other actors involved in TB and HIV care. Nevertheless, there were health system constraints including inadequate leadership and management, shortage of human and infrastructural resources, frequent interruptions in the supply of essential drugs and laboratory materials Conclusion TB/HIV collaborative activities have improved service delivery and TB patients’ access to HIV services. Nonetheless, appropriate stewardship which guarantees joint planning, monitoring and evaluation of essential activities, and accountability at all levels in the health system is invaluable. Besides, the identified health system constraints which could adversely influence effective joint service delivery and a sustainable collaboration deserve due appraisal.    
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  • Porter, John R., et al. (författare)
  • Feeding capitals : Urban food security and self-provisioning in Canberra, Copenhagen and Tokyo
  • 2014
  • Ingår i: Global Food Security. - : Elsevier BV. - 2211-9124. ; 3:1, s. 1-7
  • Tidskriftsartikel (refereegranskat)abstract
    • Most people live in cities, but most food system studies and food security issues focus on the rural poor. Urban populations differ from rural populations in their food consumption by being generally wealthier, requiring food trade for their food security, defined as the extent to which people have adequate diets. Cities rarely have the self-provisioning capacity to satisfy their own food supply, understood as the extent to which the food consumed by the city's population is produced from the city's local agro-ecosystems. Almost inevitably, a city's food security is augmented by production from remote landscapes, both internal and external in terms of a state's jurisdiction. We reveal the internal and external food flows necessary for the food security of three wealthy capital cities (Canberra, Australia; Copenhagen, Denmark; Tokyo, Japan). These cities cover two orders of magnitude in population size and three orders of magnitude in population density. From traded volumes of food and their sources into the cities, we calculate the productivity of the city's regional and non-regional ecosystems that provide food for these cities and estimate the overall utilised land area. The three cities exhibit differing degrees of food self provisioning capacity and exhibit large differences in the areas on which they depend to provide their food. We show that, since 1965, global land area effectively imported to produce food for these cities has increased with their expanding populations, with large reductions in the percentage of demand met by local agro-ecosystems. The physical trading of food commodities embodies ecosystem services, such as water, soil fertility and pollination that are required for land-based food production. This means that the trade in these embodied ecosystem services has become as important for food security as traditional economic mechanisms such as market access and trade. A future policy question, raised by our study, is the degree to which governments will remain committed to open food trade policies in the face of national political unrest caused by food shortages. Our study demonstrates the need to determine the food security and self-provisioning capacity of a wide range of rich and poor cities, taking into account the global location of the ecosystems that are provisioning them.
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  • Porter, John R., et al. (författare)
  • How will growing cities eat?
  • 2011
  • Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 469:7328, s. 34-34
  • Tidskriftsartikel (refereegranskat)
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