691 research outputs found

    Research and education in management of large- scale technical programs Semiannual progress report

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    Research and education in management of large scale technical programs - education and integration of interdisciplinary tea

    Research and education in management of large-scale technical programs

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    A research effort is reported which was conducted by NASA in conjunction with Drexel University, and which was aimed at an improved understanding of large scale systems technology and management

    Child Well-being in the Pacific Rim

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    This study extends previous efforts to compare the well-being of children using multi-dimensional indicators derived from sample survey and administrative series to thirteen countries in the Pacific Rim. The framework for the analysis of child well-being is to organise 46 indicators into 21 components and organise the components into 6 domains: material situation, health, education, subjective well-being, living environment, as well as risk and safety. Overall, Japan, Singapore and Taiwan have the highest child well-being and Thailand, Indonesia and the Philippines the lowest. However, there are substantial variations between the domains. Japan and Korea perform best on the material well-being of children and also do well on health and education but they have the lowest subjective well-being among their children by some margin. There is a relationship between child well-being and GDP per capita but children in China have higher well-being than you would expect given their GDP and children in Australia have lower well-being. The analysis is constrained by missing data particularly that the Health Behaviour of School-Aged Children Survey is not undertaken in any of these countries

    Chronic Stress, Sense of Belonging, and Depression Among Survivors of Traumatic Brain Injury

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    To test whether chronic stress, interpersonal relatedness, and cognitive burden could explain depression after traumatic brain injury (TBI). Design : A nonprobability sample of 75 mild-to-moderately injured TBI survivors and their significant others, were recruited from five TBI day-rehabilitation programs. All participants were within 2 years of the date of injury and were living in the community. Methods : During face-to-face interviews, demographic information, and estimates of brain injury severity were obtained and participants completed a cognitive battery of tests of directed attention and short-term memory, responses to the Perceived Stress Scale, Interpersonal Relatedness Inventory, Sense of Belonging Instrument, Neurobehavioral Functioning Inventory, and Center for Epidemiological Studies Depression Scale;. Findings : Chronic stress was significantly and positively related to post-TBI depression. Depression and postinjury sense of belonging were negatively related. Social support and results from the cognitive battery did not explain depression. Conclusions : Postinjury chronic stress and sense of belonging were strong predictors of post-injury depression and are variables amenable to interventions by nurses in community health, neurological centers, or rehabilitation clinics. Future studies are needed to examine how these variables change over time during the recovery process.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/72593/1/j.1547-5069.2002.00221.x.pd

    Ground beetle (Coleoptera: Carabidae) assemblages in the Conservation Reserve Program crop rotation systems in interior Alaska

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    To improve knowledge of ground beetle communities and the influence of habitat succession on these communities in Alaska, adult ground beetle (Coleoptera: Carabidae) activity and diversity was documented on Conservation Research Program (CRP) agricultural lands in Delta Junction, Alaska (64ºN, 145ºW). Twenty species, based on a total sample of 6,116 specimens, were collected during 2006 and 2007 from plots that were in the CRP for 9 years (young-field plots) and 19 years (old-field plots). Two species, Cymindis cribricollis Dejean and Amara obesa Say, are reported for the first time for Alaska. Species richness of carabids for our study plots was estimated using the Chao 1 and Chao 2 estimators to be 22 and 28 species, respectively.  Ninety-four percent of the specimens belonged to five species Pterostichus adstrictus Eschscholtz (42.9%), Agonum cupreum Dejean (17.9%), Calathus ingratus Dejean (15%), Amara obesa (11.1%), and Dicheirotrichus cognatus (Gyllenhal) (7.1%). Only Ag. cupreum showed significant effects based on plot age. The majority of carabid activity occurred late in the season, from mid September to early October. A comparison of our findings is made with historical data (1943-1956) from the collection of the Matanuska Experiment Station now incorporated into the University of Alaska Museum Insect Collection

    Rising happiness in nations,1946-2004. A reply to Easterlin

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    ABSTRACT The ‘Easterlin paradox’ holds that economic growth does not add to the quality-of-life and that this appears in the fact that average happiness in nations has not risen in the last few decades. The latest trend data show otherwise. Average happiness has increased slightly in rich nations and considerably in the few poor nations for which data are available. Since longevity has also increased, the average number of happy life years has increased at an unprecedented rate since the 1950s

    Selecting and Certifying a Landing Site for Moonrise in South Pole-Aitken Basin

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    MoonRise is a New Frontiers mission concept to land in the South Pole-Aitken (SPA) basin, collect samples, and return the samples to Earth for detailed mineral, chemical, petrologic, geochronologic, and physical properties analyses to address science questions relevant to the early evolution of the Solar System and the Moon. Science associated with this mission concept is described elsewhere; here we discuss selection of sites within SPA to address science objectives using recent scientific studies (orbital spectroscopy, gravity, topography), and the use of new data (LRO) to certify safe landing sites for a robotic sample return mission such as MoonRise

    The challenges of communicating research evidence in practice: perspectives from UK health visitors and practice nurses

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    <p>Background: Health practitioners play a pivotal role in providing patients with up-to-date evidence and health information. Evidence-based practice and patient-centred care are transforming the delivery of healthcare in the UK. Health practitioners are increasingly balancing the need to provide evidence-based information against that of facilitating patient choice, which may not always concur with the evidence base. There is limited research exploring how health practitioners working in the UK, and particularly those more autonomous practitioners such as health visitors and practice nurses working in community practice settings, negotiate this challenge. This research provides a descriptive account of how health visitors and practice nurses negotiate the challenges of communicating health information and research evidence in practice.</p> <p>Methods: A total of eighteen in-depth telephone interviews were conducted in the UK between September 2008 and May 2009. The participants comprised nine health visitors and nine practice nurses, recruited via adverts on a nursing website, posters at a practitioner conference and through recommendation. Thematic analysis, with a focus on constant comparative method, was used to analyse the data.</p> <p>Results: The data were grouped into three main themes: communicating evidence to the critically-minded patient; confidence in communicating evidence; and maintaining the integrity of the patient-practitioner relationship. These findings highlight some of the daily challenges that health visitors and practice nurses face with regard to the complex and dynamic nature of evidence and the changing attitudes and expectations of patients. The findings also highlight the tensions that exist between differing philosophies of evidence-based practice and patient-centred care, which can make communicating about evidence a daunting task.</p> <p>Conclusions: If health practitioners are to be effective at communicating research evidence, we suggest that more research and resources need to be focused on contextual factors, such as how research evidence is negotiated, appraised and communicated within the dynamic patient-practitioner relationship.</p&gt
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