Virtual training environments to improve train driver's crisis decision making

This paper reports on a current research project in which virtual reality simulators are being investigated as a means of simulating hazardous Rail work conditions in order to allow train drivers to practice decision-making under stress. When working under high stress conditions train drivers need to move beyond procedural responses into a response activated through their own problem-solving and decision-making skills. This study focuses on the use of stress inoculation training which aims to build driver’s confidence in the use of new decision-making skills by being repeatedly required to respond to hazardous driving conditions. In particular, the study makes use of a train cab driving simulator to reproduce potentially stress inducing real-world scenarios. Initial pilot research has been undertaken in which drivers have experienced the training simulation and subsequently completed surveys on the level of immersion experienced. Concurrently drivers have also participated in a velocity perception experiment designed to objectively measure the fidelity of the virtual training environment. Baseline data, against which decision-making skills post training will be measured, is being gathered via cognitive task analysis designed to identify primary decision requirements for specific rail events. While considerable efforts have been invested in improving Virtual Reality technology, little is known about how to best use this technology for training personnel to respond to workplace conditions in the Rail Industry. To enable the best use of simulators for training in the Rail context the project aims to identify those factors within virtual reality that support required learning outcomes and use this information to design training simulations that reliably and safely train staff in required workplace accident response skills.

Creating an authentic aural experience in the digital songlines game engine: Part of a contextualised cultural heritage knowledge toolkit

Digital Songlines is an Australasian CRC for Interaction Design (ACID) project that is developing protocols, methodologies and toolkits to facilitate the collection, education and sharing of indigenous cultural heritage knowledge. The project explores the areas of effective recording, content management and virtual reality delivery capabilities that are culturally sensitive and involve the indigenous custodians, leaders and communities in remote areas of the Australian ‘outback’. It investigates how players in a serious gaming sense can experience Indigenous virtual heritage in a high fidelity fashion with culturally appropriate interface tools. This paper describes a 3D ambient audio quilt designed and implemented specifically for the Digital Songlines software, which is built using the Torque Game Engine. The audio quilt developed provides dynamic ambient fauna and flora sound effects to represent the varying audio environment of the landscape. This provides an authentic contextualised interesting aural experience that can be different each time a location is entered. This paper reports on completed and ongoing research in this area.

RESPONSABILIDADE SOCIAL, PREGAÇÃO E EDUCAÇÃO: TENSÕES MISSIOLÓGICAS NO PROJETO MISSIONÁRIO DA IGREJA METODISTA EM TERRAS BRASILEIRAS

Esta pesquisa, Responsabilidade Social, Pregação e Educação: tensões missiológicas no projeto missionário da Igreja Metodista em terras brasileiras, tem como objetivo analisar as ações missionárias da Igreja Metodista do período de sua implantação até o final do período referente ao 18° Concílio Geral (2006-2011). A análise resgatou a tríade Responsabilidade Social, Pregação e Educação como uma marca identitária do movimento wesleyano e que esse princípio missionário nem sempre foi seguido pelo metodismo brasileiro. Notou-se também que a tríade serviu, em momentos decisivos, como elemento norteador do projeto missionário. Isso é percebido no período da implantação, bem como na constituição do Plano para Vida e Missão (PVM). Em que pese que as ações missionárias no metodismo brasileiro nem sempre foram providas de uma reflexão teológica sistemática, a tríade Responsabilidade Social, Pregação e Educação sempre funcionou como eixos essenciais da missão e de forma indissociável. Não foram poucos os momentos em que o projeto missionário metodista enfrentou tensões na sua execução. O ímpeto pelo crescimento numérico e expansão geográfica, muitas vezes, ofuscou a fidelidade à tríade. Nessa trajetória de pesquisa está construída em quatro capítulos, nos quais se busca a superação de uma compreensão histórica equivocada e faz-se necessário que o projeto missionário assuma os elementos essenciais da tríade como marco regulatório da missão metodista. As repetitivas opções equivocadas não colaboram com a nova compreensão de missão. O resultado da pesquisa encoraja futuras análises para que o metodismo assuma o papel de agente de Deus na missio Dei e para que o seu envolvimento missionário mantenha fidelidade à tríade Responsabilidade Social, Pregação e Educação.

A COMUNICAÇÃO DE MERCADO A SERVIÇO DA IGREJA Em busca da fidelização

Esta pesquisa evidencia o uso de instrumentos de comunicação interna e dirigida e de ações de relações públicas e marketing de relacionamento dentro das igrejas evangélicas históricas. Também enfatiza a importância da comunicação interna e das estratégias de comunicação mercadológicas utilizadas dentro das igrejas inclusive com o uso do marketing boca a boca. Para a realização desta pesquisa foi feito um recorte das quatro maiores igrejas evangélicas históricas, em número de membros, situadas na cidade de Curitiba: Batista, Luterana, Presbiteriana e Metodista. O estudo foi realizado por meio de pesquisas de observação participante, análise de materiais diversos, entrevista com os líderes e uma pesquisa de campo, quantitativa, envolvendo os membros e freqüentadores das igrejas. Com o auxilio de um questionário estruturado foram analisados: 1) o comportamento dos membros e freqüentadores diante dos instrumentos de comunicação interna e dirigida que estão sendo utilizados e percebidos; e 2) os relacionamentos dentro da igreja, tanto entre membros quanto entre estes e seus líderes. A pesquisa concluiu que estes instrumentos de comunicação interna possuem relação com a retenção, perda e crescimento numérico de membros nas igrejas pesquisadas, frente a uma nova configuração religiosa onde a fidelização está cada vez mais difícil de ser alcançada.(AU)

Source coded image data in the presence of channel errors

The growth and advances made in computer technology have led to the present interest in picture processing techniques. When considering image data compression the tendency is towards trans-form source coding of the image data. This method of source coding has reached a stage where very high reductions in the number of bits representing the data can be made while still preserving image fidelity. The point has thus been reached where channel errors need to be considered, as these will be inherent in any image comnunication system. The thesis first describes general source coding of images with the emphasis almost totally on transform coding. The transform technique adopted is the Discrete Cosine Transform (DCT) which becomes common to both transform coders. Hereafter the techniques of source coding differ substantially i.e. one tech­nique involves zonal coding, the other involves threshold coding. Having outlined the theory and methods of implementation of the two source coders, their performances are then assessed first in the absence, and then in the presence, of channel errors. These tests provide a foundation on which to base methods of protection against channel errors. Six different protection schemes are then proposed. Results obtained, from each particular, combined, source and channel error protection scheme, which are described in full are then presented. Comparisons are made between each scheme and indicate the best one to use given a particular channel error rate.

Enhancing delivery of health behaviour change interventions in primary care: a meta-synthesis of views and experiences of primary care nurses

Objective To systematically find and synthesise qualitative studies that elicited views and experiences of nurses involved in the delivery of health behaviour change (HBC) interventions in primary care, with a focus on how this can inform enhanced delivery and adherence to a structured approach for HBC interventions. Methods Systematic search of five electronic databases and additional strategies to maximise identification of studies, appraisal of studies and use of meta-synthesis to develop an inductive and interpretative form of knowledge synthesis. Results Nine studies met the inclusion criteria. Synthesis resulted in the development of four inter-linking themes; (a) actively engaging nurses in the process of delivering HBC interventions, (b) clarifying roles and responsibilities of those involved, (c) engaging practice colleagues, (d) communication of aims and potential outcomes of the intervention. Conclusion The synthesis of qualitative evidence resulted in the development of a conceptual framework that remained true to the findings of primary studies. This framework describes factors that should be actively promoted to enhance delivery of and adherence to HBC interventions by nurses working in primary care. Practice implications The findings can be used to inform strategies for researchers, policymakers and healthcare providers to enhance fidelity and support delivery of HBC interventions.

On the 'classification' of neurodegenerative disorders:discrete entities, overlap or continuum?

The traditional method of classifying neurodegenerative diseases is based on the original clinico-pathological concept supported by 'consensus' criteria and data from molecular pathological studies. This review discusses first, current problems in classification resulting from the coexistence of different classificatory schemes, the presence of disease heterogeneity and multiple pathologies, the use of 'signature' brain lesions in diagnosis, and the existence of pathological processes common to different diseases. Second, three models of neurodegenerative disease are proposed: (1) that distinct diseases exist ('discrete' model), (2) that relatively distinct diseases exist but exhibit overlapping features ('overlap' model), and (3) that distinct diseases do not exist and neurodegenerative disease is a 'continuum' in which there is continuous variation in clinical/pathological features from one case to another ('continuum' model). Third, to distinguish between models, the distribution of the most important molecular 'signature' lesions across the different diseases is reviewed. Such lesions often have poor 'fidelity', i.e., they are not unique to individual disorders but are distributed across many diseases consistent with the overlap or continuum models. Fourth, the question of whether the current classificatory system should be rejected is considered and three alternatives are proposed, viz., objective classification, classification for convenience (a 'dissection'), or analysis as a continuum.

Did you see that?

The development of appropriate lab-based evaluation techniques for mobile technologies requires continued research attention. In particular, experimental design needs to account for the environmental context in which such technologies will ultimately be used. This requires, in part, that relevant environmental distractions be incorporated into evaluations. This chapter reflects on different techniques that were used in three separate lab-based mobile evaluation experiments to present visual distractions to participants and to measure the participants’ cognizance of the distractions during the course of mobile evaluations of technology. The different techniques met the different needs of the three studies with respect to the fidelity of the data captured, the impact of acknowledging distractions on the evaluation task, and the typical context of use for the technology being evaluated. The results of the studies showed that the introduction of visual distractions did have an impact on the experimental task and indicate that future work is required in this area.

El género (para)traducido:pugna ideológica en la traducción y paratraducción de 'O curioso incidente do can á media noite'

Los discursos teóricos de la actualidad conciben la traducción como un acto ideológico de mediación intercultural. De este modo, rechazan la supuesta neutralidad y fidelidad al texto original o a la intención autorial de antaño, subvirtiendo al mismo tiempo la tradicional jerarquía entre original y traducción. Sin embargo, en el presente artículo sostengo que estos discursos teóricos por lo general desatienden otras relaciones de poder jerárquicas que afectan a la traducción situándola en una posición de inferioridad respecto a la paratraducción (Garrido Vilariño 2005), definida ésta como un acto de mediación por el cual se decide la presentación final del libro traducido en la sociedad meta. Para ilustrar las implicaciones de esta nueva jerarquía recurro al conflicto ideológico originado a partir de la traducción y paratraducción del género en dos reescrituras en gallego de la novela de Mark Haddon The Curious Incident of the Dog in the Night-Time. Current theoretical debates on Translation Studies define translation as an ideological act of intercultural mediation. In this way, notions such as neutrality or fidelity to the original text or to the author’s intent prove untenable, challenging the traditional hierarchy between the original text and its translation. However, it is my contention that these theoretical discourses tend to disregard other hierarchical power relationships that also affect translation, placing it in a position of inferiority against paratranslation (Garrido Vilariño 2005), the latter being an activity that determines crucially the final presentation of the translated book in the target society. I will illustrate the implications of this new hierarchy through an analysis of the ideological struggle that emerged from the translation and paratranslation of gender in two rewritings into Galician of the book The Curious Incident of the Dog in the Night-Time, by Mark Haddon.

Effectiveness and uptake of screening programmes for coronary heart disease and diabetes:a realist review of design components used in interventions

Objective - To evaluate behavioural components and strategies associated with increased uptake and effectiveness of screening for coronary heart disease and diabetes with an implementation science focus. Design - Realist review. Data sources - PubMed, Web of Knowledge, Cochrane Database of Systematic Reviews, Cochrane Controlled Trials Register and reference chaining. Searches limited to English language studies published since 1990. Eligibility criteria - Eligible studies evaluated interventions designed to increase the uptake of cardiovascular disease (CVD) and diabetes screening and examined behavioural and/or strategic designs. Studies were excluded if they evaluated changes in risk factors or cost-effectiveness only. Results - In 12 eligible studies, several different intervention designs and evidence-based strategies were evaluated. Salient themes were effects of feedback on behaviour change or benefits of health dialogues over simple feedback. Studies provide mixed evidence about the benefits of these intervention constituents, which are suggested to be situation and design specific, broadly supporting their use, but highlighting concerns about the fidelity of intervention delivery, raising implementation science issues. Three studies examined the effects of informed choice or loss versus gain frame invitations, finding no effect on screening uptake but highlighting opportunistic screening as being more successful for recruiting higher CVD and diabetes risk patients than an invitation letter, with no differences in outcomes once recruited. Two studies examined differences between attenders and non-attenders, finding higher risk factors among non-attenders and higher diagnosed CVD and diabetes among those who later dropped out of longitudinal studies. Conclusions - If the risk and prevalence of these diseases are to be reduced, interventions must take into account what we know about effective health behaviour change mechanisms, monitor delivery by trained professionals and examine the possibility of tailoring programmes according to contexts such as risk level to reach those most in need. Further research is needed to determine the best strategies for lifelong approaches to screening.

Did you see that?

The development of appropriate lab-based evaluation techniques for mobile technologies requires continued research attention. In particular, experimental design needs to account for the environmental context in which such technologies will ultimately be used. This requires, in part, that relevant environmental distractions be incorporated into evaluations. This chapter reflects on different techniques that were used in three separate lab-based mobile evaluation experiments to present visual distractions to participants and to measure the participants’ cognizance of the distractions during the course of mobile evaluations of technology. The different techniques met the different needs of the three studies with respect to the fidelity of the data captured, the impact of acknowledging distractions on the evaluation task, and the typical context of use for the technology being evaluated. The results of the studies showed that the introduction of visual distractions did have an impact on the experimental task and indicate that future work is required in this area.

Accommodating special needs users in the evaluation of an m-Learning application:a case study

Adult illiteracy rates are alarmingly high worldwide. The portability, affordability, and ease of use of mobile (or handheld) devices offer a realistic opportunity to provide novel, context-sensitive literacy resources to adults with limited literacy skills. To this end, we developed the concept of ALEX – a mobile Adult Literacy support application for EXperiential learning (Lumsden et al., 2005). On the basis of a medium-fidelity prototype of this application, we conducted an evaluation of ALEX using participants from our in tended user group. This evaluation had two goals: (a) to assess the usefulness of the ALEX concept and the usability of its current design; and (b) to reflect on the appropriateness of our evaluation process given the literacy-related needs of our participants. This paper outlines our approach to this evaluation as well as the results we obtained and our reflections on the process.

Be SMART:examining the experience of implementing the NHS Health Check in UK primary care

Background: The NHS Health Check was designed by UK Department of Health to address increased prevalence of cardiovascular disease by identifying risk levels and facilitating behaviour change. It constituted biomedical testing, personalised advice and lifestyle support. The objective of the study was to explore Health Care Professionals' (HCPs) and patients' experiences of delivering and receiving the NHS Health Check in an inner-city region of England. Methods: Patients and HCPs in primary care were interviewed using semi-structured schedules. Data were analysed using Thematic Analysis. Results: Four themes were identified. Firstly, Health Check as a test of 'roadworthiness' for people. The roadworthiness metaphor resonated with some patients but it signified a passive stance toward illness. Some patients described the check as useful in the theme, Health check as revelatory. HCPs found visual aids demonstrating levels of salt/fat/sugar in everyday foods and a 'traffic light' tape measure helpful in communicating such 'revelations' with patients. Being SMART and following the protocolrevealed that few HCPs used SMART goals and few patients spoke of them. HCPs require training to understand their rationale compared with traditional advice-giving. The need for further follow-up revealed disparity in follow-ups and patients were not systematically monitored over time. Conclusions: HCPs' training needs to include the use and evidence of the effectiveness of SMART goals in changing health behaviours. The significance of fidelity to protocol needs to be communicated to HCPs and commissioners to ensure consistency. Monitoring and measurement of follow-up, e.g., tracking of referrals, need to be resourced to provide evidence of the success of the NHS Health Check in terms of healthier lifestyles and reduced CVD risk.

Facilitating intuitive-guided learning in a serious game through integration with a learning content management system

Increased global uptake of entertainment gaming has the potential to lead to high expectations of engagement and interactivity from users of technology-enhanced learning environments. Blended approaches to implementing game-based learning as part of distance or technology-enhanced education have led to demonstrations of the benefits they might bring, allowing learners to interact with immersive technologies as part of a broader, structured learning experience. In this article, we explore how the integration of a serious game can be extended to a learning content management system (LCMS) to support a blended and holistic approach, described as an 'intuitive-guided' method. Through a case study within the EU-Funded Adaptive Learning via Intuitive/Interactive, Collaborative and Emotional Systems (ALICE) project, a technical integration of a gaming engine with a proprietary LCMS is demonstrated, building upon earlier work and demonstrating how this approach might be realized. In particular, how this method can support an intuitive-guided approach to learning is considered, whereby the learner is given the potential to explore a non-linear environment whilst scaffolding and blending provide guidance ensuring targeted learning objectives are met. Through an evaluation of the developed prototype with 32 students aged 14-16 across two Italian schools, a varied response from learners is observed, coupled with a positive reception from tutors. The study demonstrates that challenges remain in providing high-fidelity content in a classroom environment, particularly as an increasing gap in technology availability between leisure and school times emerges.

Age-related striatal BOLD changes without changes in behavioral loss aversion

Loss aversion (LA), the idea that negative valuations have a higher psychological impact than positive ones, is considered an important variable in consumer research. The literature on aging and behavior suggests older individuals may show more LA, although it is not clear if this is an effect of aging in general (as in the continuum from age 20 and 50 years), or of the state of older age (e.g., past age 65 years). We also have not yet identified the potential biological effects of aging on the neural processing of LA. In the current study we used a cohort of subjects with a 30 year range of ages, and performed whole brain functional MRI (fMRI) to examine the ventral striatum/nucleus accumbens (VS/NAc) response during a passive viewing of affective faces with model-based fMRI analysis incorporating behavioral data from a validated approach/avoidance task with the same stimuli. Our a priori focus on the VS/NAc was based on (1) the VS/NAc being a central region for reward/aversion processing; (2) its activation to both positive and negative stimuli; (3) its reported involvement with tracking LA. LA from approach/avoidance to affective faces showed excellent fidelity to published measures of LA. Imaging results were then compared to the behavioral measure of LA using the same affective faces. Although there was no relationship between age and LA, we observed increasing neural differential sensitivity (NDS) of the VS/NAc to avoidance responses (negative valuations) relative to approach responses (positive valuations) with increasing age. These findings suggest that a central region for reward/aversion processing changes with age, and may require more activation to produce the same LA behavior as in younger individuals, consistent with the idea of neural efficiency observed with high IQ individuals showing less brain activation to complete the same task.