745 research outputs found
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The physical mandate for belief-goal psychology
This article describes a heuristic argument for understanding certain physical systems in terms of properties that resemble the beliefs and goals of folk psychology. The argument rests on very simple assumptions. The core of the argument is that predictions about certain events can legitimately be based on assumptions about later events, resembling Aristotelian ‘final causation’; however, more nuanced causal entities (resembling fallible beliefs) must be introduced into these types of explanation in order for them to remain consistent with a causally local Universe
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A baseline appraisal of water-dependant ecosystem services, the roles they play within desakota livelihood systems and their potential sensitivity to climate change
This report forms part of a larger research programme on 'Reinterpreting the Urban-Rural Continuum', which conceptualises and investigates current knowledge and research gaps concerning 'the role that ecosystems services play in the livelihoods of the poor in regions undergoing rapid change'. The report aims to conduct a baseline appraisal of water-dependant ecosystem services, the roles they play within desakota livelihood systems and their potential sensitivity to climate change. The appraisal is conducted at three spatial scales: global, regional (four consortia areas), and meso scale (case studies within the four regions). At all three scales of analysis water resources form the interweaving theme because water provides a vital provisioning service for people, supports all other ecosystem processes and because water resources are forecast to be severely affected under climate change scenarios. This report, combined with an Endnote library of over 1100 scientific papers, provides an annotated bibliography of water-dependant ecosystem services, the roles they play within desakota livelihood systems and their potential sensitivity to climate change.
After an introductory, section, Section 2 of the report defines water-related ecosystem services and how these are affected by human activities. Current knowledge and research gaps are then explored in relation to global scale climate and related hydrological changes (e.g. floods, droughts, flow regimes) (section 3). The report then discusses the impacts of climate changes on the ESPA regions, emphasising potential responses of biomes to the combined effects of climate change and human activities (particularly land use and management), and how these effects coupled with water store and flow regime manipulation by humans may affect the functioning of catchments and their ecosystem services (section 4). Finally, at the meso-scale, case studies are presented from within the ESPA regions to illustrate the close coupling of human activities and catchment performance in the context of environmental change (section 5). At the end of each section, research needs are identified and justified. These research needs are then amalgamated in section 6
Exercise rehabilitation programmes for pulmonary hypertension – a systematic review of intervention components and reporting quality
Objectives: To identify the components, and assess the reporting quality, of exercise training interventions for people living with pulmonary hypertension.
Design: Systematic review with analysis of intervention reporting quality using the Consensus on Exercise Reporting Template (CERT).
Data sources: Eligible studies in the Cochrane Systematic Review of exercise-based rehabilitation for pulmonary hypertension, updated with a new search of relevant databases from 1st August 2016 to 15th January 2018.
Eligibility criteria: Peer reviewed journal articles of randomised and non-randomised controlled trials, and non-controlled prospective observational studies, investigating dynamic exercise training interventions in adult humans with diagnosed pulmonary hypertension, reporting on at least one physiological and/or psychosocial outcome.
Results: Interventions typically involved cycle ergometry and walking. They were delivered as three-week in-patient, or out-patient and/or home-based programmes, lasting for four to 15 weeks. Components relating specifically to exercise prescription were described satisfactorily and in more detail than motivational/behavioural change strategies, adherence and fidelity. Mean Consensus on Exercise Reporting Template (CERT) score was 13.1 (range 8 to 17) out of a possible maximum score of 19. No studies fully reported every aspect of an exercise intervention to the standard recommended by CERT.
Summary/conclusion: Considerable variability was evident in the components and reporting quality of interventions for exercise rehabilitation studies in pulmonary hypertension. Interventional studies using exercise training should pay greater attention to describing motivational/ behavioural change strategies, adherence and fidelity. Detailed description of these parameters is essential for the safe and effective replication of exercise rehabilitation interventions for pulmonary hypertension in clinical practice.
Trial registration number: This systematic review is registered with PROSPERO 2018 CRD4201808555
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Exploiting Smalltalk Modules In A Customizable Programming Environment
This paper describes how we have extended a module structure of the Smalltalk LearningWorks to provide a programming environment deigned for very large scale technology transfer. The ‘module’ is what we have termed the LearningBook, a set of classes and persistent objects, including an HTML browser, programming and visualization tools, and microworlds. The context for this development is a distance learning university course in object technology which has enrolled over 5,100 mature students in its first year – making it the largest such course in the world. While promoting a systems building approach, we have successfully added support for programming in the small and the needs of the isolated novice. Two principles have applied: (i) the programming environment and its modules fit into a consistent framework for personal management of study and (ii) details of complex facilities, such as the class library, are progressively disclosed as knowledge and sophistication grow. The paper shows how these principles have guided the exploitation of LearningBook modules. To provide context, relevant academic background is given. Early informal feedback is reported and a project currently underway to observe in detail how thousands of learners use the Smalltalk programming environment is sketched
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Projected impacts on heat-related mortality from changes in the mean and variability of temperature with climate change
The aim of this paper is to demonstrate the importance of changing temperature variability
with climate change in assessments of future heat-related mortality. Previous studies have only considered
changes in the mean temperature. Here we present estimates of heat-related mortality resulting from climate
change for six cities: Boston, Budapest, Dallas, Lisbon, London and Sydney. They are based on climate
change scenarios for the 2080s (2070-2099) and the temperature-mortality (t-m) models constructed and
validated in Gosling et al. (2007). We propose a novel methodology for assessing the impacts of climate
change on heat-related mortality that considers both changes in the mean and variability of the temperature
distribution
Employing Object Technology to Expose Fundamental Object Concepts
We explore technical issues in the design of programming tools, development environments, simulations, code examples, user interface frameworks and pedagogies for a university-level course on object-oriented software development. The course, M206 Computing: An Object-Oriented Approach has been specifically developed for distance learning, and is enrolling over 5,000 students per year (average age 37) in the UK, Europe and Singapore. The course introduces computing via an object-oriented approach. M206 is substantial in extent representing one sixth of a degree. It embodies a practical, industry oriented view of computing and includes programming, analysis, design and group working. Considerable effort has been invested in making the simplicity, consistency and power of object technology accessible to and capable of being applied by beginners. A diverse set of educational media, such as CD-ROMs, TV and the Web, have been deployed as learning resources. We describe the agenda for the course; its object-oriented pedagogy and our strategy for delivery. We explain measures taken to avoid misconceptions about objects, our analysis and design method, and the Smalltalk programming environment we have developed specifically for learners and which is crucial to our approach. We outline how our adherence to the separation of view and domain model leads to technical innovations. Concluding remarks reflect on the benefits a reflexive strategy, both in education and training
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