Showing items 1 - 20 of 11775

10 tips for using video analysis more effectively in physical education

- Beseler, Brad, Plumb, Mandy

Awakening and engaging in your learning

- Lyons, Judith

  • Authors: Lyons, Judith
  • Date: 2019
  • Type: Text , Book chapter
  • Relation: The road to nursing Chapter 2 p. 16-28
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  • Description: This chapter discusses what it means to be an awake student and how you can be an engaged student to take the maximum advantage of the learning environment. It will explore the interrelationship of being an awake student and an awake nurse. Nursing requires constantly observing the situation, being aware of the context of practice, the situation or event in which you are taking part, and the patient in your care in order to make professional nursing decisions. To be successful in learning and practice, you will need to develop the graduate attributes of a nurse. These including being a professional and ethical decision-maker, politically astute situational leader and citizen, socially and culturally aware agent of change, critically reflective thinker adept in clinical reasoning, creative problem-solver, skilled therapeutic communicator, capable interdisciplinary healthcare team member and competent, caring, safe and professional nurse (Federation University Australia 2015). This chapter also provides ideas for how to overcome difficulties and engage in your learning together with ways that will help you to spend effective time in your learning endearvour. It discusses how you can transition to university learning in a way that makes you an equal partner in the learning process towards becoming an independent learner.

Conclusion : What now? Where to from here?

- Paliadelis, Penny

  • Authors: Paliadelis, Penny
  • Date: 2019
  • Type: Text , Book chapter
  • Relation: The road to nursing Chapter 18 p. 295-306
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  • Description: The focus of this book has been on exploring the key concepts, knowledge and skills that are relevant to contemporary nursing practice, with a strong emphasis on 'meaning-making' - what things really mean; how this meaning is established; why particular knowledge is necessary or important; and how all this informs your road to nursing, your ongoing learning, practice and professional identity-formation and your conception of what it really means to be and act as a nurse. This final chapter weaves together some of the key focus areas that have made up this 'journey', using stories from practice that may provide you with some further insights to guide you on your path to becoming a skilled and experienced nurse. The second part of this chapter will focus your attention on the fact that once you enter the profession as a beginning-level nurse, this is not the end of your journey; it is only the first stage of your career. There are many options and learning opportunities that can further your career and assist you to develop into an expert nurse across a range of settings. The last part of this chapter will focus on how you can contribute to the further development of the nursing profession by role-modelling and promoting nursing, mentoring and supporting others, and developing and sharing your skills and knowledge with new generations of nurses.

Foundations of nursing practice

- Cramer, Rhian, Coombs, Nicole, Lyons, Judith, Kim, Jeong-ah

  • Authors: Cramer, Rhian , Coombs, Nicole , Lyons, Judith , Kim, Jeong-ah
  • Date: 2019
  • Type: Text , Book chapter
  • Relation: The road to nursing Chapter 11 p. 168-182
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  • Description: Becoming a safe and contemporary nurse is more than just being able to demonstrate clinical skills or understand disease processes. It is about critical thinking - understanding why we do what we do and how to do it in the most efficient and effective way. Achieving the best outcomes for the patients is always paramount. This chapter explores the foundational principles of contemporary nursing practice: evidence-based practice, person-centred care, and communication. It also introduces the growing role of technology in healthcare and looks at how numerous factors come together to influence health outcomes for the individual patient.

Influence of selected environmental factors on seed germination and seedling emergence of Dinebra panicea var. brachiata (Steud.)

- Weller, Sandra, Florentine, Singarayer, Chauhan, Bhagirath

  • Authors: Weller, Sandra , Florentine, Singarayer , Chauhan, Bhagirath
  • Date: 2019
  • Type: Text , Journal article
  • Relation: Crop Protection Vol. 117, no. (2019), p. 121-127
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  • Description: Dinebra panicea var. brachiata (Steud.) is related to genus Leptochloa., some species of which are significant rice crop weeds. However, little is known about how D. panicea responds to various environmental cues. This study investigates the effects of temperature, light, salt stress, moisture stress, pH, heat shock, smoke, and burial depth on seeds collected in successive years (2015 and 2016) from Queensland, Australia. Seed germination was higher overall for older seeds (2015) compared to younger (2016) at 30/20 °C and 25/15 °C, but there was less difference between light treatments (12 L/D, 24D) in both temperature ranges for older seeds compared to younger. Increasing moisture and salt stress gradually reduced germination, germination was high over the pH range from pH 4 to pH 10, short term (three minutes) heat exposure to 80 °C or less did not inhibit germination, but there was no significant difference between years for any of these environmental cues. Germination was greatly reduced at 100 °C and eliminated at 120 °C. Smoke significantly inhibited germination. Seeds from both years germinated on the soil surface and emerged from 0.2 cm, with no emergence from deeper than 0.5 cm. The data collected from this study may assist land managers to manage infestations of this weed.

Livestock grazing effects on riparian bird breeding behaviour in agricultural landscapes

- Hansen, Birgita, Fraser, Hannah, Jones, Christopher

  • Authors: Hansen, Birgita , Fraser, Hannah , Jones, Christopher
  • Date: 2019
  • Type: Text , Journal article
  • Relation: Agriculture, Ecosystems and Environment Vol. 270-271, no. (2019), p. 93-102
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  • Description: Globally, many bird species that rely on native woodland or forest environments are declining due to vegetation clearing for livestock pastures and cereal cropping. In many landscapes, woodland remnants are restricted to waterways and roadsides in narrow, sometimes degraded patches, and not all patches can necessarily provide the resources required to support bird populations. This study investigated the influence of livestock grazing and vegetation characteristics on bird breeding activity in riparian zones in northern Victoria, Australia, where much of the landscape is used for production and has experienced significant loss of woodland. Birds were broadly categorised as ‘woodland’ or ‘non-woodland’ species, based on dependency on woodlands for breeding. The majority of woodland species detected were relatively common, and where riparian zones were heavily grazed, there was significantly lower woodland bird breeding activity compared to non-woodland bird breeding activity (the latter increasing with grazing intensity). Woodland and non-woodland birds had consistently opposite responses to grazing intensity, vegetation and landscape characteristics, suggesting that the factors influencing breeding differ markedly between these two groups. Thus, where riparian zones are intensively grazed, the bird community shifts from predominantly woodland to largely non-woodland species. This has implications for the conservation of both rare and common woodland bird species in southern Australia. Simple changes in land management, for example, livestock exclusion from important breeding habitat, may confer large gains for population persistence of woodland bird species.

Nursing as a profession

- Lyons, Judith, Bliss, Suzanne

  • Authors: Lyons, Judith , Bliss, Suzanne
  • Date: 2019
  • Type: Text , Book chapter
  • Relation: The road to nursing Chapter 12 p. 183-203
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  • Description: All regulated health practitioners need to be aware of the standards imposed on them by their regulatory body in order for them to be able to practise. The standards are imposed on nurses and midwives by the Australian Health Practitioner Regulation Agency (AHPRA), which regulates the Australian workforce through the Nursing and Midwifery Board of Australia (NMBA). The NMBA regulates registered nurses, enrolled nurses and midwives. This chapter focuses on the professional aspects of nursing. It is intended to assist you to understand your obligations to obtain and retain your nursing or midwifery registration and your legal, regulatory and moral obligations both as a nursing or midwifery professional and as an individual. It also differentiates the scope of practice for the registered nurse, enrolled nurse and midwife, as we have the responsibility to provide safe, quality care to our clients. The first section discusses the general legal and regulatory requirements for nurses. Next, we turn to the Professional Practice Framework that constitutes a key part of nurses' legal and regulatory obligations. The Professional Practice Framework forms the overarching statement of nursing's values contained in the Code of Ethics and Code of Conduct, as well as the recently implemented Standards for Practice for Registered and Enrolled Nurses (NMBA 2016a, 2016c). We explain the registration standards first, then examine the new Standards for Practice. These standards replaced the old Competency Standards on 1 July 2016, and were developed to better reflect contemporary practice in nursing. The next section contains information on professional boundaries, including the recently updated Codes of Ethics and Conduct. Finally, we make some brief remarks relation to scope of practice.

Pipeline slug flow dynamic load characterization

- Reda, Ahmed, Forbes, Gareth, Sultan, Ibrahim, Howard, Ian

  • Authors: Reda, Ahmed , Forbes, Gareth , Sultan, Ibrahim , Howard, Ian
  • Date: 2019
  • Type: Text , Journal article
  • Relation: Journal of Offshore Mechanics and Arctic Engineering Vol. 141, no. 1 (2019), p. 1-8
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  • Description: Flow of gas in pipelines is subject to thermodynamic conditions which produces twophase bulks (i.e., slugs) within the axial pipeline flow. These moving slugs apply a moving load on the free spanning pipe sections, which consequently undergo variable bending stresses, and flexural deflections. Both the maximum pipeline stress and deflection due to the slug flow loads need to be understood in the design of pipeline spans. However, calculation of a moving mass on a free spanning pipeline is not trivial and the required mathematical model is burdensome for general pipeline design engineering. The work in this paper is intended to investigate the conditions under which simplified analysis would produce a safe pipeline design which can be used by practicing pipeline design engineers. The simulated finite element models presented here prove that replacing the moving mass of the slug by a moving force will produce adequately accurate results at low speeds where the mass of the slug is much smaller than the mass of the pipe section. This result is significant, as the assumption of point load simplifies the analysis to a considerable extent. Since most applications fall within the speed and mass ratio which justify employing this simplified analysis, the work presented here offers a powerful design tool to estimate fatigue stresses and lateral deflections without the need of expensive timeconsuming inputs from specialized practitioners.

Preparing for success

- Wikander, Lolita, Lyons, Judith

  • Authors: Wikander, Lolita , Lyons, Judith
  • Date: 2019
  • Type: Text , Book chapter
  • Relation: The road to nursing Chapter 4 p. 48-60
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  • Description: In this chapter, you will learn how to plan your study around your existing commitments. You will be encouraged to build on your stengths and improve in areas that may hold you back. You will learn how to find time to study and be kind to your future self. This chapter gives you an idea of the different kinds of academic support you may be able to access and provides some hints for using the online study environment to your advantage. Critical reflection in self-directed learning will assist you to develop strategies for lifelong learning. Learning in the university context is self-directed, and the skills developed and employed in your nursing education will ensure you have mastered the graduate attributes needed to continue learning while you practise a s a nurse. Self-directed learning means being active and constructive in your learning process. This entails being clear on what your learning goals are and making a choice about how you will achieve your learning goals. It also involves deciding what strategies you will adopt in your own learning, together with what the teachers require you to do for successful completion of your courses. The section on relection and self-directed learning provides you with strategies for deep learning, which is learning for understanding as opposed to surface learning like cramming to pass tests. If you employ deep learning strategies, this learning will form the basis of your knowledge and skills, and you will be able to build on and apply it in new contexts. You are a partner in the learning endeavours. You will discover that you learn not only from your lecturers, but also from your peers and networks. You will be provided with hints for making both formal and informal peer support and group work function effectively for you. Finally, you will be given suggestions for using social media to help feel connected while simmultaneously avoiding common pitfalls in your journey to become the best nurse you can.

Quantification of Achilles and patellar tendon structure on imaging does not enhance ability to predict self-reported symptoms beyond grey-scale ultrasound and previous history

- Docking, Sean, Rio, Ebonie, Cook, Jill, Carey, David, Fortington, Lauren

  • Authors: Docking, Sean , Rio, Ebonie , Cook, Jill , Carey, David , Fortington, Lauren
  • Date: 2019
  • Type: Text , Journal article
  • Relation: Journal of Science and Medicine in Sport Vol. 22, no. 2 (2019), p. 145-150
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  • Description: Background: Tendon pathology on imaging has been associated with an increased risk of developing symptoms. This evidence is based on classifying the tendon as normal or pathological. It is unclear whether the extent of tendon pathology is associated with the development or severity of symptoms. Objectives: To investigate whether the presence and extent of tendon pathology on ultrasound tissue characterisation (UTC), or a previous history of symptoms, were associated with the development of symptoms over a football season. Methods: 179 male Australian football players underwent UTC imaging of their Achilles and/or patellar tendon at the start of the pre-season. Players completed monthly OSTRC overuse questionnaires to quantify the presence and severity of Achilles and/or patellar tendon symptoms. Risk factor analysis was performed to identify associations between imaging and the development of symptoms. Results: A pathological Achilles tendon increased the risk of developing symptoms (RR = 3.2, 95%CI 1.7–5.9). Conversely, a pathological patellar tendon was not significantly associated with the development of symptoms (RR = 1.8, 95%CI 0.9–3.7). Quantification of tendon structure using UTC did not enhance the ability to identify athletes who developed symptoms. Previous history of symptoms was the strongest predictor for the development of symptoms (Achilles RR = 3.0 95%CI 1.8–4.8; patellar RR = 3.7 95%CI 2.2–6.1). Conclusion: Tendon pathology was associated with the development of self-reported symptoms; however previous history of symptoms was a stronger risk factor. The extent of disorganisation quantified by UTC should not be used as a marker for the presence or severity of current and future symptoms.

Seasonal time-loss match injury rates and burden in South African under-16 rugby teams

- Sewry, Nicola, Verhagen, Evert, Lambert, Mike, van Mechelen, Willem, Readhead, Clint, Viljoen, Wayne, Brown, James

  • Authors: Sewry, Nicola , Verhagen, Evert , Lambert, Mike , van Mechelen, Willem , Readhead, Clint , Viljoen, Wayne , Brown, James
  • Date: 2019
  • Type: Text , Journal article
  • Relation: Journal of Science and Medicine in Sport Vol. 22, no. 1 (2019), p. 54-58
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  • Description: Objectives: Youth rugby union is a popular sport with a high injury incidence density (IID) and burden. This high risk has called for further research into the factors affecting the injuries in youth rugby. The aim of the study was to analyse time-loss IID and burden in multiple schoolboy rugby teams over a season and the potential factors associated with injury. Design: Prospective cohort Methods: All time-loss injuries were recorded from three schools for the whole season. Overall IID and injury burden were calculated, as well as for injury event, type, location and the match quarter in which they occurred and Poisson regression analyses were performed to determine differences. Results: IID was 28.8 (18.9–38.6) injuries per 1000 player hours over the season, with an injury burden of 379.2 (343.6–414.9) days lost per 1000 player hours. The ball-carrier had a significantly higher IID (11.3 (5.2–17.5) per 1000 player hours) compared to other events, and the joint (non-bone)/ligament injuries were the most common (IID of 12.2 (5.8–18.6) per 1000 player hours) and severe type of injury (burden of 172.6 (148.5–196.6) days lost per 1000 player hours). Conclusions: The IID was similar to previous youth rugby studies, however the injury burden was much lower. The South African youth cohort showed similar factors associated with injury for inciting event (the tackle) and injury type (joint (non-bone)/ligament) and location (lower limb) as seen in other studies in both youth and senior players.

Surveying the landscape five years on : An examination of how teachers, and the teaching of Australia's shared-history, is constructed within Australian academic literature

- Weuffen, Sara

  • Authors: Weuffen, Sara
  • Date: 2019
  • Type: Text , Journal article
  • Relation: Teaching and Teacher Education Vol. 78, no. (2019), p. 117-124
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  • Description: The purpose of this paper is to conduct a literature review of academic debates relating to the Australian Curriculum: History (ACH), in particular subjective constructions of teachers, and the teaching of Australian History and Aboriginal peoples' and Torres Strait Islanders’ histories. The literature reviewed from a socio-political lens, examines functions of power/knowledge operating in discourses of education to illuminate how teachers, Aboriginal peoples, and Torres Strait Islanders, take up and/or resist subjectivities constructing them. Drawing from the toolbox of post-structuralism, this literature review troubles the notion of the non-Indigenous perspective as dominant, and the teacher as an active, non-critical participant in the process.

The behaviour change techniques used by Australian physiotherapists to promote non-treatment physical activity to patients with musculoskeletal conditions

- Kunstler, Breanne, Cook, Jill, Kemp, Joanne, O'Halloran, Paul, Finch, Caroline

  • Authors: Kunstler, Breanne , Cook, Jill , Kemp, Joanne , O'Halloran, Paul , Finch, Caroline
  • Date: 2019
  • Type: Text , Journal article
  • Relation: Journal of Science and Medicine in Sport Vol. 22, no. 1 (2019), p. 2-10
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  • Description: Objectives: To determine: (i) the behaviour change techniques used by a sample of Australian physiotherapists to promote non-treatment physical activity; and (ii) whether those behaviour change techniques are different to the techniques used to encourage adherence to rehabilitation exercises. Design: Cross-sectional survey. Method: An online self-report survey was advertised to private practice and outpatient physiotherapists treating patients with musculoskeletal conditions. The use of 50 behaviour change techniques were measured using five-point Likert-type scale questions. Results: Four-hundred and eighty-six physiotherapists responded to the survey, with 216 surveys fully completed. Most respondents (85.1%) promoted non-treatment physical activity often or all of the time. Respondents frequently used 29 behaviour change techniques to promote non-treatment physical activity or encourage adherence to rehabilitation exercises. A similar number of behaviour change techniques was frequently used to encourage adherence to rehabilitation exercises (n = 28) and promote non-treatment physical activity (n = 26). Half of the behaviour change techniques included in the survey were frequently used for both promoting non-treatment physical activity and encouraging adherence to rehabilitation exercises (n = 25). Graded tasks was the most, and punishment was the least, frequently reported technique used to promote non-treatment physical activity and encourage adherence to rehabilitation exercises. Conclusions: Respondents reported using similar behaviour change techniques to promote non-treatment physical activity and encourage adherence to rehabilitation exercises. The variability in behaviour change technique use suggests the behaviour the physiotherapist is promoting influences their behaviour change technique choice. Including the frequently-used behaviour change techniques in non-treatment physical activity promotion interventions might improve their efficacy. © 2018 Sports Medicine Australia

The effects of resilience and turnover intention on nurses’ burnout : Findings from a comparative cross-sectional study

- Guo, Yu-fang, Plummer, Virginia, Lam, Louisa, Wang, Yan, Cross, Wendy, Zhang, Jing-ping

  • Authors: Guo, Yu-fang , Plummer, Virginia , Lam, Louisa , Wang, Yan , Cross, Wendy , Zhang, Jing-ping
  • Date: 2019
  • Type: Text , Journal article
  • Relation: Journal of Clinical Nursing Vol. 28, no. 3-4 (2019), p. 499-508
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  • Description: Aims and objectives: To investigate burnout among nurses from Australia and China and explore the effects of resilience and turnover intention on nurse burnout between the two countries. Background: Nursing shortages and burnout have become serious problems worldwide in recent years. In both developed and developing countries, such as Australia and China, nurse burnout levels are high and therefore attract concern from nurse managers, hospital administrators, nurse educators and researchers. However, few studies have been conducted exploring the differences in burnout and its predictors between Australian and Chinese nurses, particularly investigating the differences in the effect sizes of the predictors. Design: A comparative cross-sectional design was employed. Methods: A total of 100 Australian nurses and 197 Chinese nurses participated in the study. Australian participants completed an online questionnaire, while Chinese participants completed a hardcopy questionnaire. Burnout, resilience and turnover intention were measured. Results: Burnout was worse for Australian participants than Chinese participants. Only having turnover intention significantly predicted burnout in Australian participants, while low resilience, having turnover intention and low level of regular exercise strongly predicted burnout in Chinese participants. The effect size of turnover intention on burnout in the Australian group was almost twice that of the Chinese group. Conclusion: The findings of this study show that there are differences in burnout between Australian and Chinese nurses. The effects of resilience and turnover intention on burnout between the two groups are also identified. Relevance to clinical practice: The differences in nurse burnout and the effects of resilience and turnover intention on burnout should be better understood by nurse managers from Australia and China. Moreover, developing effective strategies relevant to their own country to reduce nurse burnout is recommended.

The history and evolving image of nursing

- Cruickshank, Mary, Paliadelis, Penny, Gazula, Swapnali, McAllister, Margaret

  • Authors: Cruickshank, Mary , Paliadelis, Penny , Gazula, Swapnali , McAllister, Margaret
  • Date: 2019
  • Type: Text , Book chapter
  • Relation: The road to nursing Chapter 7 p. 99-116
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  • Description: The traditional stereotypical image of a nurse is closely linked to that of Florence Nightingale, the founder of modern nursing, who established a training system for nurses to teach them how to be completely dedicated to the taskes of care regardless of personal needs; dependent on and deferential to authorities such as medical doctors and matron supervisors; and modest and feminine. Of course, contemporary nursing is no longer a profession exclusive to females, and nor does nursing work predominantly involve dependent actions. However, these old ideas remain strong in the minds of the public and are often repeated in popular culture.

The journey begins

- Arnott, Nick, Paliadelis, Penny, Cuickshank, Mary

  • Authors: Arnott, Nick , Paliadelis, Penny , Cuickshank, Mary
  • Date: 2019
  • Type: Text , Book chapter
  • Relation: The road to nursing Chapter 1 p. 3-15
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  • Description: This opening chapter aims to set the scene for your undergraduate nursing journey. We welcome you to the wonderful, dynamic and diverse profession of nursing and encourage some initial thinking about what nursing is, why you have chosen this career and the sort of nurse you hope to be. We also outline the purpose, structure and features of this book, and introduce you to the key concepts and ideas underpinning your learning journey, many of which will be emphasised and explored further in subsequent chapters.

The road to nursing

- Arnott, Nick, Paliadelis, Penny, Cuickshank, Mary

  • Authors: Arnott, Nick , Paliadelis, Penny , Cuickshank, Mary
  • Date: 2019
  • Type: Text , Book
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  • Description: Commencing a nursing qualification can be an exciting yet daunting prospect. The Road to Nursing empowers nursing students to become effective practitioners by providing an in-depth foundational knowledge of the key concepts and skills that will underpin their entire nursing journey. Written by an expert team of academics and practising nurses, this text emphasises the importance of meaning-making, supporting students to critically engage with key knowledge that informs their ongoing learning, development and professional identity. Each chapter supports learning through pedagogical features including case studies, nursing perspectives, reflections, key terms, review questions and research topics, The additional activities accessed through the VitalSource eBook reaffirm comprehension and encourage critical thinking. The Road to Nursing is written in an accessible narrative style, providing a friendly guiding voice that will support students from the classroom into practice.

The role of interoperable data standards in precision livestock farming in extensive livestock systems : A review

- Bahlo, Christiane, Dahlhaus, Peter, Thompson, Helen, Trotter, Mark

  • Authors: Bahlo, Christiane , Dahlhaus, Peter , Thompson, Helen , Trotter, Mark
  • Date: 2019
  • Type: Text , Journal article , Review
  • Relation: Computers and Electronics in Agriculture Vol. 156, no. (2019), p. 459-466
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  • Description: Livestock industries are increasingly embracing precision farming and decision support tools. As a result, sensors, weather stations, individual animal tracking, feed monitoring and other sources create large data volumes, much of which is used only for a single purpose. There are unrealised potential benefits of making on farm data interoperable and accessible and federating it with public data sources. We reviewed recent literature on precision livestock farming (PLF) technologies in relation to the use of public data, open standards and interoperability. Livestock farms produce rising volumes of disparate private datasets, reflecting a variety of information needs and technological opportunities, but typically lacking interoperable formats and metadata. These as well as large amounts of accessible public datasets are currently underutilised in decision support tools. Tools that demonstrate the use of interoperable standards and bring together public and private data for decision support can enhance the value proposition and help lower barriers to the sharing and re-use of data. This review of interoperable standards in extensive livestock farming systems concludes that there is a need for not only a new type of decision support tool, but also a consensus on data exchange standards to prove the value of shared data at farm scale (commercial benefit) and a regional scale (public good). © 2018

Thinking like a nurse

- Porter, Joanne, Perkins, Alicia, Lyons, Judith, Sewgolam, Shireen

  • Authors: Porter, Joanne , Perkins, Alicia , Lyons, Judith , Sewgolam, Shireen
  • Date: 2019
  • Type: Text , Book chapter
  • Relation: The road to nursing Chapter 8 p. 117-136
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  • Description: Critical thinking and problem-solving, clinical reasoning, self-reflection and self-awareness are valued attributes of the contemporary nurse. These skills are essential for the provision of safe and competent person-centred care to patients with ever-increasing acuity and multiple, often complex comorbidities. This chapter focuses on critical thinking, clinical reasoning and reflective practice, and personal documentation using e-portfolios, along with strategies to assist beginning nurses in the development of these specific skills, which should be honed, practised and adapted to everyday clinical practice. The chapter also assists the professional nurse to develop methods to demonstrate their personal and professional development through the use of e-portfolios.

Time-to-event analysis for sports injury research part 1 : Time-varying exposures

- Nielsen, Rasmus, Bertelsen, Michael, Ramskov, Daniel, Møller, Merete, Hulme, Adam, Theisen, Daniel, Finch, Caroline, Fortington, Lauren, Mansournia, Mohammad, Parner, Erik

  • Authors: Nielsen, Rasmus , Bertelsen, Michael , Ramskov, Daniel , Møller, Merete , Hulme, Adam , Theisen, Daniel , Finch, Caroline , Fortington, Lauren , Mansournia, Mohammad , Parner, Erik
  • Date: 2019
  • Type: Text , Journal article , Review
  • Relation: British Journal of Sports Medicine Vol. 53, no. 1 (2019), p. 61-68
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  • Description: Background: 'How much change in training load is too much before injury is sustained, among different athletes?' is a key question in sports medicine and sports science. To address this question the investigator/practitioner must analyse exposure variables that change over time, such as change in training load. Very few studies have included time-varying exposures (eg, training load) and time-varying effect-measure modifiers (eg, previous injury, biomechanics, sleep/stress) when studying sports injury aetiology. Aim: To discuss advanced statistical methods suitable for the complex analysis of time-varying exposures such as changes in training load and injury-related outcomes. Content: Time-varying exposures and time-varying effect-measure modifiers can be used in time-to-event models to investigate sport injury aetiology. We address four key-questions (i) Does time-to-event modelling allow change in training load to be included as a time-varying exposure for sport injury development? (ii) Why is time-to-event analysis superior to other analytical concepts when analysing training-load related data that changes status over time? (iii) How can researchers include change in training load in a time-to-event analysis? and, (iv) Are researchers able to include other time-varying variables into time-to-event analyses? We emphasise that cleaning datasets, setting up the data, performing analyses with time-varying variables and interpreting the results is time-consuming, and requires dedication. It may need you to ask for assistance from methodological peers as the analytical approaches presented this paper require specialist knowledge and well-honed statistical skills. Conclusion: To increase knowledge about the association between changes in training load and injury, we encourage sports injury researchers to collaborate with statisticians and/or methodological epidemiologists to carefully consider applying time-to-event models to prospective sports injury data. This will ensure appropriate interpretation of time-to-event data. © 2019 Author(s).