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Information theory

Suzanne Grant, Bruce Guthrie
Patient safety is an increasing concern for health systems internationally. The majority of administrative work in UK general practice takes place in the context of organisational routines such as repeat prescribing and test results handling, where high workloads and increased clinician dependency on administrative staff have been identified as an emerging safety issue. Despite this trend, most research to date has focused on the redistribution of the clinical workload between doctors, nurses and allied health professionals within individual care settings...
March 2, 2018: Social Science & Medicine
Christine Prouty, Shima Mohebbi, Qiong Zhang
Given the increasing vulnerability of communities to the negative impacts of untreated wastewater, resource recovery (RR) systems provide a paradigm shift away from a traditional approach of waste separation and treatment towards a productive recovery of water, energy and nutrients. The aim of this research is to understand the relationships between factors that influence the adoption and sustainability of wastewater-based RR systems to inform technology implementation strategies. The study presents a theory-informed, community-influenced system dynamics (SD) model to provide decision-makers with an adaptable tool that simulates system-level responses to the strategies that are developed for the coastal town of Placencia, Belize...
March 7, 2018: Water Research
Catherine Delves-Yates, Andrea Stockl, Jenny Moore
BACKGROUND: Concept analysis is frequently the first step novice nurse researchers take when beginning their work. However, the value of concept analysis in generating theory is debated, and although there are many models researchers can use, few provide guidance for applying them or overviews of their philosophical underpinnings. AIM: To share learning about challenges encountered when undertaking concept analysis and to present an adaptation of Rodgers ( 1989 ) model created to overcome these...
March 16, 2018: Nurse Researcher
Gemma Ryan
BACKGROUND: There are three commonly known philosophical research paradigms used to guide research methods and analysis: positivism, interpretivism and critical theory. Being able to justify the decision to adopt or reject a philosophy should be part of the basis of research. It is therefore important to understand these paradigms, their origins and principles, and to decide which is appropriate for a study and inform its design, methodology and analysis. AIM: To help those new to research philosophy by explaining positivism, interpretivism and critical theory...
March 16, 2018: Nurse Researcher
Naiding Yang, Jintao Lu, Jinfu Ye
BACKGROUND: It has been suggested that individual job characteristics have a significant impact on job burnout, and the process is subject to the regulation of demographic variables. However, the influence path of job characteristics on job burnout is still a "black box". SUBJECTS AND METHODS: On the basis of a systematic literature review by employing Pub Med, Science Direct, Web of Science, Google Scholar, CNKI and Scopus for required information with the several keywords "Job burnout", "Emotion regulation", "Personality traits", and "Psychological stress", in this study, an improved mine rescue workers-oriented job demands-resources (JD-R) model was put forward...
March 2018: Psychiatria Danubina
Ann M Steffen, Dolores Gallagher-Thompson, Katherine M Arenella, Alma Au, Sheung-Tak Cheng, María Crespo, Victoria Cristancho-Lacroix, Javier López, Andrés Losada-Baltar, María Márquez-González, Celia Nogales-González, Rosa Romero-Moreno
Background and Objectives: This article reviews an instrument used in cross-national research with dementia family caregivers-the Revised Scale for Caregiving Self-Efficacy (RSCSE). Although the RSCSE has been translated into multiple languages, few studies have examined scale performance across samples. We examine congruence of psychometric, reliability, and validity data to inform research and practice. Methods: We conducted citation searches using Scopus, Google Scholar, Web of Science, and PsycINFO...
March 12, 2018: Gerontologist
Janya McCalman, Roxanne Bainbridge, Catherine Brown, Komla Tsey, Adele Clarke
Introduction: Spreading proven or promising Aboriginal health programs and implementing them in new settings can make cost-effective contributions to a range of Aboriginal Australian development, health and wellbeing, and educational outcomes. Studies have theorized the implementation of Aboriginal health programs but have not focused explicitly on the conditions that influenced their spread. This study examined the broader political, institutional, social and economic conditions that influenced negotiations to transfer, implement, adapt, and sustain one Aboriginal empowerment program-the Family Wellbeing (FWB) program-to at least 60 geographical sites across Australia over 24 years...
2018: Frontiers in Public Health
Guoqi Li, Lei Deng, Gaoxi Xiao, Pei Tang, Changyun Wen, Wuhua Hu, Jing Pei, Luping Shi, H Eugene Stanley
Complex networks characterize the nature of internal/external interactions in real-world systems including social, economic, biological, ecological, and technological networks. Two issues keep as obstacles to fulfilling control of large-scale networks: structural controllability which describes the ability to guide a dynamical system from any initial state to any desired final state in finite time, with a suitable choice of inputs; and optimal control, which is a typical control approach to minimize the cost for driving the network to a predefined state with a given number of control inputs...
March 15, 2018: Scientific Reports
Ketan Shankardass, Carles Muntaner, Lauri Kokkinen, Faraz Vahid Shahidi, Alix Freiler, Goldameir Oneka, Ahmed M Bayoumi, Patricia O'Campo
BACKGROUND: There has been a renewed interest in broadening the research agenda in health promotion to include action on the structural determinants of health, including a focus on the implementation of Health in All Policies (HiAP). Governments that use HiAP face the challenge of instituting governance structures and processes to facilitate policy coordination in an evidence-informed manner. Due to the complexity of government institutions and the policy process, systems theory has been proposed as a tool for evaluating the implementation of HiAP...
March 15, 2018: Health Research Policy and Systems
C E Willis, S Reid, C Elliott, M Rosenberg, A Nyquist, R Jahnsen, S Girdler
BACKGROUND: The need to identify strategies that facilitate involvement in physical activity for children and youth with disabilities is recognised as an urgent priority. This study aimed to describe the association between context, mechanisms and outcome(s) of a participation-focused physical activity intervention to understand what works, in what conditions, and how. METHODS: This study was designed as a realist evaluation. Participant recruitment occurred through purposive and theoretical sampling of children and parents participating in the Local Environment Model intervention at Beitostolen Healthsports Centre in Norway...
March 15, 2018: BMC Pediatrics
Joseph E Lawrence, David E Manolopoulos
The Wolynes theory of electronically nonadiabatic reaction rates [P. G. Wolynes, J. Chem. Phys. 87, 6559 (1987)] is based on a saddle point approximation to the time integral of a reactive flux autocorrelation function in the nonadiabatic (golden rule) limit. The dominant saddle point is on the imaginary time axis at tsp =iλsp ℏ, and provided λsp lies in the range -β/2≤λsp ≤β/2, it is straightforward to evaluate the rate constant using information obtained from an imaginary time path integral calculation...
March 14, 2018: Journal of Chemical Physics
Ryan B Scott, Jason Samaha, Ron Chrisley, Zoltan Dienes
While theories of consciousness differ substantially, the 'conscious access hypothesis', which aligns consciousness with the global accessibility of information across cortical regions, is present in many of the prevailing frameworks. This account holds that consciousness is necessary to integrate information arising from independent functions such as the specialist processing required by different senses. We directly tested this account by evaluating the potential for associative learning between novel pairs of subliminal stimuli presented in different sensory modalities...
March 12, 2018: Cognition
Lisa Blom, Lucie Laflamme, Helle Mölsted Alvesson
BACKGROUND: Image-based teleconsultation between medical experts and healthcare staff at remote emergency centres can improve the diagnosis of conditions which are challenging to assess. One such condition is burns. Knowledge is scarce regarding how medical experts perceive the influence of such teleconsultation on their roles and relations to colleagues at point of care. METHODS: In this qualitative study, semi-structured interviews were conducted with 15 medical experts to explore their expectations of a newly developed App for burns diagnostics and care prior to its implementation...
2018: PloS One
K E Polovnikov, M Gherardi, M Cosentino-Lagomarsino, M V Tamm
Chromosomes are key players of cell physiology, their dynamics provides valuable information about its physical organization. In both prokaryotes and eukaryotes, the short-time motion of chromosomal loci has been described with a Rouse model in a simple or viscoelastic medium. However, little emphasis has been put on the influence of the folded organization of chromosomes on the local dynamics. Clearly, stress propagation, and thus dynamics, must be affected by such organization, but a theory allowing us to extract such information from data, e...
February 23, 2018: Physical Review Letters
Qi Zhao, Yunchao Liu, Xiao Yuan, Eric Chitambar, Xiongfeng Ma
Manipulation and quantification of quantum resources are fundamental problems in quantum physics. In the asymptotic limit, coherence distillation and dilution have been proposed by manipulating infinite identical copies of states. In the nonasymptotic setting, finite data-size effects emerge, and the practically relevant problem of coherence manipulation using finite resources has been left open. This Letter establishes the one-shot theory of coherence dilution, which involves converting maximally coherent states into an arbitrary quantum state using maximally incoherent operations, dephasing-covariant incoherent operations, incoherent operations, or strictly incoherent operations...
February 16, 2018: Physical Review Letters
Veronica T Rowe, Marsha Neville
Task-oriented training is a contemporary intervention based on behavioral neuroscience and recent models of motor learning. It can logically be guided by the theory of occupational adaptation. This report presents the perceptions of four participants who underwent task-oriented training at home (TOTE Home) for upper extremity hemiparesis following a stroke. Guided by principles of motor learning and the theory of occupational adaptation, a directed content analysis was used with field notes recorded during the TOTE Home...
March 1, 2018: OTJR: Occupation, Participation and Health
Julian Cespedes-Guevara, Tuomas Eerola
Basic Emotion theory has had a tremendous influence on the affective sciences, including music psychology, where most researchers have assumed that music expressivity is constrained to a limited set of basic emotions. Several scholars suggested that these constrains to musical expressivity are explained by the existence of a shared acoustic code to the expression of emotions in music and speech prosody. In this article we advocate for a shift from this focus on basic emotions to a constructionist account. This approach proposes that the phenomenon of perception of emotions in music arises from the interaction of music's ability to express core affects and the influence of top-down and contextual information in the listener's mind...
2018: Frontiers in Psychology
Louise Stjerne Knudsen, Thomas Skovgaard, Thomas Bredahl
INTRODUCTION: The benefits of physical activity for children's health, both mental and physical, and its positive effects on academic achievement are well established. Research also emphasises that schools could provide a natural setting for regular physical activity. There is, however, a limited amount of knowledge about teachers' views when it comes to integrating physical activity as part of teaching. The aim of this study is to understand teachers' motivation for integrating physical activity as part of teaching and to assess their need for guidance and support...
March 14, 2018: BMJ Open
Shane Sinclair, Thomas F Hack, Shelley Raffin-Bouchal, Susan McClement, Kelli Stajduhar, Pavneet Singh, Neil A Hagen, Aynharan Sinnarajah, Harvey Max Chochinov
BACKGROUND: Healthcare providers are considered the primary conduit of compassion in healthcare. Although most healthcare providers desire to provide compassion, and patients and families expect to receive it, an evidence-based understanding of the construct and its associated dimensions from the perspective of healthcare providers is needed. OBJECTIVES: The aim of this study was to investigate healthcare providers' perspectives and experiences of compassion in order to generate an empirically derived, clinically informed model...
March 14, 2018: BMJ Open
Fanny Alexandra Jakobsen, Kjersti Vik
AIM: To describe health professionals' perspectives of next of kin in the context of reablement. METHODS: A total of 49 health professionals from different organizational levels participated. Their ages, genders, experiences, and professions varied. A total of 10 focus group discussions were held in two municipalities. The data analysis was conducted using a constructivist grounded theory approach. RESULTS: The core category was identified as negotiating between themselves...
March 15, 2018: Disability and Rehabilitation
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