718 resultados para Understanding Social Research. Perspectives on Methodology and Practice


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The purpose of this study was to investigate the learning preferences and the post-secondary educational experiences of a group of Net-Gen adult learners, aged between 18 and 35, currently working in the knowledge economy workplace, and their assessment of how adequately they were prepared to meet the requirements of the knowledge economy workplace. This study utilized an explanatory mixed-method research design. Participants completed a questionnaire providing information on their self-reported learning style preferences, their use of digital tools for formal and informal learning, their use of digital technologies in postsecondary educational experiences, and their use of digital technologies in their workplace. Four volunteers from the questionnaire respondents were selected to participate in interviews based on the diversity of their experiences in higher education, including digital environments, and the diversity of their knowledge economy workplaces. Data collected from the questionnaire were analyzed for descriptive and demographic statistics, and categorized so that common patterns could be identified from information gathered from the online questionnaire and interviews. Findings based on this study indicated that these Net-Gen adult learners were fluent with all types of digital technologies in collaborative environments, expecting their educational experiences to provide a similar experience. Participants clearly expressed an understanding that digital/collaborative aptitudes are essential to successful employment in the knowledge economy workplace. The findings of this study indicated that the majority of participants felt that their post-secondary educational experiences did not adequately prepare them to meet the expectations of this type of working environment.

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A number of studies have found a significant link between sleep and psychosocial functioning among university students. A critical examination of this literature, however, indicates that one important gap within the literature is the need for longitudinal studies that specifically test for bidirectional associations between these two constructs. The main purpose of my dissertation was to address this gap by conducting three studies that examined bidirectional associations between sleep and psychosocial functioning among a sample of university students. Participants were 942 (71.5% female) undergraduate students enrolled at a Canadian university, who completed survey assessments annually for three consecutive years, beginning in their first year of university. In the first study, I assessed bidirectional associations between two sleep characteristics (sleep quality and sleep duration) and three psychosocial functioning variables (academics, friendship quality, and intrapersonal adjustment). Results based on cross-lagged models indicated a significant bidirectional association between sleep quality and intrapersonal adjustment, such that more sleep problems predicted more negative intrapersonal adjustment over time, and vice versa. Unidirectional associations indicated that both higher academic achievement and more positive friendship quality were significant predictors of less sleep problems over time. In the second study, in which I examined bidirectional associations between sleep and media use, results provided support only for unidirectional associations; such that more sleep problems predicted increases in both time spent watching television and time spent engaged in online social networking. In the third study of my dissertation, in which I examined social ties at university and sleep quality, results indicated a significant bidirectional association, such that more positive social ties predicted less sleep problems over time, and vice versa. Importantly, emotion regulation was a significant mediator of this association. Findings across the three studies, highlight the importance of determining the direction of effects between different sleep characteristics and various aspects of university students’ psychosocial functioning, as such findings have important implications for both methodology and practice. A better understanding of the nature of the associations between sleep and psychosocial functioning will equip students, parents and university administrators with the tools necessary to facilitate successful adjustment across the university years.

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Men struggle with body image concerns particularly related to the desire to be muscular. In women, social-evaluative body image threats have been linked to increased shame and cortisol responses, consistent with social self-preservation theory (SSPT), but no research has investigated these responses in men. Men (n = 66) were randomly assigned to either a social-evaluative threat (SET) or non-social-evaluative threat (N-SET) condition. Participants provided saliva samples and completed body shame, body dissatisfaction and social physique anxiety measures prior to and following their condition, during which anthropometric and strength measures were assessed. Results indicated men in the SET condition had higher body shame, social physique anxiety, and body dissatisfaction and had higher levels of cortisol than men in the N-SET condition post-social-evaluative threat. These findings, consistent with SSPT, suggest that social-evaluative body image threats may lead to increased body shame and social physique anxiety, greater body dissatisfaction and higher cortisol levels.

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In the aftermath of World War II, a wave of Dutch Reformed immigrants arrived in Ontario, many of whom joined the Christian Reformed Church. Following familiar cultural patterns, history, and their Reformed Christian faith, these immigrants settled in Ontario with remarkable institutional completeness (Breton, 1964). They quickly established independent, parent-operated Christian schools across Ontario. The primary purpose of the schools was to educate children through a comprehensive biblically based school program, yet this religious purpose often intersected with a Dutch immigrant ethnic culture. Van Dijk (2001) states that “the schools were the most important organization in maintaining the religious and ethnic identity of Calvinists” (p. 66). In this qualitative study I explore the intersection of Reformed faith and Dutch Canadian immigrant ethnic culture in Christian schools through the experiential and professional lens of eight retired principals. Employing a theoretical framework informed by Berger’s (1967) Sacred Canopy, I suggest that the intersection of faith and culture was experienced in the schools and was embodied by the schools themselves. Findings point to this intersection being located in the participants’ experience of (a) Dutchness, (b) the struggle for Christian education, (c) the ties that bound the school community together, and (d) the cloud of witnesses that founded and continues to support and encourage the Christian school community. The study offers insight into a Dutch Reformed immigrant group’s experience carving out a niche for themselves on the educational landscape in Ontario. This study also offers suggestions on how Christian schools can broaden their canopy and become more ethnically and denominationally diverse in the future.

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Les études sur les milieux de vie et la santé ont traditionnellement porté sur le seul quartier de résidence. Des critiques ont été émises à cet égard, soulignant le fait que la mobilité quotidienne des individus n’était pas prise en compte et que l’accent mis sur le quartier de résidence se faisait au détriment d’autres milieux de vie où les individus passent du temps, c’est-à-dire leur espace d’activité. Bien que la mobilité quotidienne fasse l’objet d’un intérêt croissant en santé publique, peu d’études se sont intéressé aux inégalités sociales de santé. Ceci, même en dépit du fait que différents groupes sociaux n’ont pas nécessairement la même capacité à accéder à des milieux favorables pour la santé. Le lien entre les inégalités en matière de mobilité et les inégalités sociales de santé mérite d’être exploré. Dans cette thèse, je développe d'abord une proposition conceptuelle qui ancre la mobilité quotidienne dans le concept de potentiel de mobilité. Le potentiel de mobilité englobe les opportunités et les lieux que les individus peuvent choisir d’accéder en convertissant leur potentiel en mobilité réalisée. Le potentiel de mobilité est façonné par des caractéristiques individuelles (ex. le revenu) et géographiques (ex. la proximité des transports en commun), ainsi que par des règles régissant l’accès à certaines ressources et à certains lieux (ex. le droit). Ces caractéristiques et règles sont inégalement distribuées entre les groupes sociaux. Des inégalités sociales en matière de mobilité réalisée peuvent donc en découler, autant en termes de l'ampleur de la mobilité spatiale que des expositions contextuelles rencontrées dans l'espace d'activité. Je discute de différents processus par lesquels les inégalités en matière de mobilité réalisée peuvent mener à des inégalités sociales de santé. Par exemple, les groupes défavorisés sont plus susceptibles de vivre et de mener des activités dans des milieux défavorisés, comparativement à leurs homologues plus riches, ce qui pourrait contribuer aux différences de santé entre ces groupes. Cette proposition conceptuelle est mise à l’épreuve dans deux études empiriques. Les données de la première vague de collecte de l’étude Interdisciplinaire sur les inégalités sociales de santé (ISIS) menée à Montréal, Canada (2011-2012) ont été analysées. Dans cette étude, 2 093 jeunes adultes (18-25 ans) ont rempli un questionnaire et fourni des informations socio-démographiques, sur leur consommation de tabac et sur leurs lieux d’activités. Leur statut socio-économique a été opérationnalisé à l’aide de leur plus haut niveau d'éducation atteint. Les lieux de résidence et d'activité ont servi à créer des zones tampons de 500 mètres à partir du réseau routier. Des mesures de défavorisation et de disponibilité des détaillants de produits du tabac ont été agrégées au sein des ces zones tampons. Dans une première étude empirique je compare l'exposition à la défavorisation dans le quartier résidentiel et celle dans l'espace d’activité non-résidentiel entre les plus et les moins éduqués. J’identifie également des variables individuelles et du quartier de résidence associées au niveau de défavorisation mesuré dans l’espace d’activité. Les résultats démontrent qu’il y a un gradient social dans l’exposition à la défavorisation résidentielle et dans l’espace d’activité : elle augmente à mesure que le niveau d’éducation diminue. Chez les moins éduqués les écarts dans l’exposition à la défavorisation sont plus marquées dans l’espace d’activité que dans le quartier de résidence, alors que chez les moyennement éduqués, elle diminuent. Un niveau inférieur d'éducation, l'âge croissant, le fait d’être ni aux études, ni à l’emploi, ainsi que la défavorisation résidentielle sont positivement corrélés à la défavorisation dans l’espace d’activité. Dans la seconde étude empirique j'étudie l'association entre le tabagisme et deux expositions contextuelles (la défavorisation et la disponibilité de détaillants de tabac) mesurées dans le quartier de résidence et dans l’espace d’activité non-résidentiel. J'évalue si les inégalités sociales dans ces expositions contribuent à expliquer les inégalités sociales dans le tabagisme. J’observe que les jeunes dont les activités quotidiennes ont lieu dans des milieux défavorisés sont plus susceptibles de fumer. La présence de détaillants de tabac dans le quartier de résidence et dans l’espace d’activité est aussi associée à la probabilité de fumer, alors que le fait de vivre dans un quartier caractérisé par une forte défavorisation protège du tabagisme. En revanche, aucune des variables contextuelles n’affectent de manière significative l’association entre le niveau d’éducation et le tabagisme. Les résultats de cette thèse soulignent l’importance de considérer non seulement le quartier de résidence, mais aussi les lieux où les gens mènent leurs activités quotidiennes, pour comprendre le lien entre le contexte et les inégalités sociales de santé. En discussion, j’élabore sur l’idée de reconnaître la mobilité quotidienne comme facteur de différenciation sociale chez les jeunes adultes. En outre, je conclus que l’identification de facteurs favorisant ou contraignant la mobilité quotidienne des individus est nécessaire afin: 1 ) d’acquérir une meilleure compréhension de la façon dont les inégalités sociales en matière de mobilité (potentielle et réalisée) surviennent et influencent la santé et 2) d’identifier des cibles d’intervention en santé publique visant à créer des environnements sains et équitables.

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In the last 50 years, we have had approximately 40 events with characteristics related to financial crisis. The most severe crisis was in 1929, when the financial markets plummet and the US gross domestic product decline in more than 30 percent. Recently some years ago, a new crisis developed in the United States, but instantly caused consequences and effects in the rest of the world. This new economic and financial crisis has increased the interest and motivation for the academic community, professors and researchers, to understand the causes and effects of the crisis, to learn from it. This is the one of the main reasons for the compilation of this book, which begins with a meeting of a group of IAFI researchers from the University of Barcelona, where researchers form Mexico and Spain, explain causes and consequences of the crisis of 2007. For that reason, we believed this set of chapters related to methodologies, applications and theories, would conveniently explained the characteristics and events of the past and future financial crisis This book consists in 3 main sections, the first one called "State of the Art and current situation", the second named "Econometric applications to estimate crisis time periods" , and the third one "Solutions to diminish the effects of the crisis". The first section explains the current point of view of many research papers related to financial crisis, it has 2 chapters. In the first one, it describe and analyzes the models that historically have been used to explain financial crisis, furthermore, it proposes to used alternative methodologies such as Fuzzy Cognitive Maps. On the other hand , Chapter 2 , explains the characteristics and details of the 2007 crisis from the US perspective and its comparison to 1929 crisis, presenting some effects in Mexico and Latin America. The second section presents two econometric applications to estimate possible crisis periods. For this matter, Chapter 3, studies 3 Latin-American countries: Argentina, Brazil and Peru in the 1994 crisis and estimates the multifractal characteristics to identify financial and economic distress. Chapter 4 explains the crisis situations in Argentina (2001), Mexico (1994) and the recent one in the United States (2007) and its effects in other countries through a financial series methodology related to the stock market. The last section shows an alternative to prevent the effects of the crisis. The first chapter explains the financial stability effects through the financial system regulation and some globalization standards. Chapter 6, study the benefits of the Investor activism and a way to protect personal and national wealth to face the financial crisis risks.

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This paper introduces a framework that supports users to implement enterprise modelling within collaborative companies. These enterprise models are the basis for a holistic interoperability measurement and management methodology which will be presented in the second part of the paper. The discipline of enterprise modelling aims at capturing all dimensions of an enterprise in a simplified model. Thus enterprise models are the appropriate basis for managing collaborative enterprise as they reduce the complexity of interoperability problems. Therefore, a first objective of this paper is to present an approach that enables companies to get the most effect out of enterprise modelling in a collaborative environment based on the maturity of their organisation relative to modelling. Within this first step, the user will get recommendations e.g. for the correct modelling language as well as the right level of detail.

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El objetivo del presente trabajo es formular, mediante una profunda revisión documental, bibliográfica y empírica, una fundamentación teórica sobre si existe o no incidencia de las prácticas de recursos humanos sobre el bienestar laboral de los empleados, y el que grado en que esta se presenta sobre aspecto como el engagement y la satisfacción laboral. Se realizó la revisión de múltiples estudios empíricos que aportaran evidencia sobre la relación que se presenta entre las principales prácticas de recursos humanos – provisión de personal, formación y desarrollo, promoción de personal, evaluación de desempeño, compensación y pago, y balance trabajo-familia – y el bienestar laboral, representado en el engagement y satisfacción en el trabajo de los empleados. Los resultados de este trabajo indican la existencia de una relación e incidencia de las prácticas de recursos humanos, el bienestar laboral, el engagement y la satisfacción laboral. De igual forma se encontró que estas relaciones son principalmente de carácter positivo, lo cual indica que las organizaciones que desarrollan este tipo de prácticas en su interior, fomentan tanto el desarrollo y la presencia de bienestar laboral en sus empleados, como su perdurabilidad.

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El presente trabajo pretende mostrar algunos avances en el término “engagement”, y como puede ser implementado en las organizaciones, teniendo en cuenta los diferentes factores que intervienen, para que los trabajadores se sientan “engaged” dentro de la organización. Además busca relacionar las diferentes habilidades y tipos de liderazgo que los altos mandos utilizan con sus empleados y como éste afecta la productividad de los trabajadores en las organizaciones. Para esto, se realizó una investigación de las clases de liderazgo y los comportamientos de los altos mandos, que pueden afectar positiva y negativamente el vínculo y sentido de pertenencia que tienen los trabajadores con la empresa en la que trabajan. Considerando importante las habilidades del liderazgo transformacional, para lograr desarrollar algún grado de engagement en los trabajadores, lo cual genera a su vez, un alza en la productividad de sus resultados dentro de la organización.

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La principal contribución de esta Tesis es la propuesta de un modelo de agente BDI graduado (g-BDI) que permita especificar una arquitetura de agente capaz de representar y razonar con actitudes mentales graduadas. Consideramos que una arquitectura BDI más exible permitirá desarrollar agentes que alcancen mejor performance en entornos inciertos y dinámicos, al servicio de otros agentes (humanos o no) que puedan tener un conjunto de motivaciones graduadas. En el modelo g-BDI, las actitudes graduadas del agente tienen una representación explícita y adecuada. Los grados en las creencias representan la medida en que el agente cree que una fórmula es verdadera, en los deseos positivos o negativos permiten al agente establecer respectivamente, diferentes niveles de preferencias o de rechazo. Las graduaciones en las intenciones también dan una medida de preferencia pero en este caso, modelan el costo/beneficio que le trae al agente alcanzar una meta. Luego, a partir de la representación e interacción de estas actitudes graduadas, pueden ser modelados agentes que muestren diferentes tipos de comportamiento. La formalización del modelo g-BDI está basada en los sistemas multi-contextos. Diferentes lógicas modales multivaluadas se han propuesto para representar y razonar sobre las creencias, deseos e intenciones, presentando en cada caso una axiomática completa y consistente. Para tratar con la semántica operacional del modelo de agente, primero se definió un calculus para la ejecución de sistemas multi-contextos, denominado Multi-context calculus. Luego, mediante este calculus se le ha dado al modelo g-BDI semántica computacional. Por otra parte, se ha presentado una metodología para la ingeniería de agentes g-BDI en un escenario multiagente. El objeto de esta propuesta es guiar el diseño de sistemas multiagentes, a partir de un problema del mundo real. Por medio del desarrollo de un sistema recomendador en turismo como caso de estudio, donde el agente recomendador tiene una arquitectura g-BDI, se ha mostrado que este modelo es valioso para diseñar e implementar agentes concretos. Finalmente, usando este caso de estudio se ha realizado una experimentación sobre la flexibilidad y performance del modelo de agente g-BDI, demostrando que es útil para desarrollar agentes que manifiesten conductas diversas. También se ha mostrado que los resultados obtenidos con estos agentes recomendadores modelizados con actitudes graduadas, son mejores que aquellos alcanzados por los agentes con actitudes no-graduadas.

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Research pertaining to children's geographies has mainly focused on children's physical experiences of space, with their 'imagined geographies' receiving far less attention. The few studies of children's imagined geographies that exist tend to focus on children's national identities and their understanding of distant places. However, children's lives are not necessarily static and they often move between places. Research has not so far considered children's images of these transitional spaces or how such images are constructed. Through an examination of over 800 thematic drawings and stories, regarding 'moving house, produced by children aged 10-17 years in urban and rural communities of Lesotho and Malawi, this paper explores southern African children's representations of migration. The research considers how ideas of migration are culturally-constructed based on notions of family, home and kinship, particularly in relation to the fluid family structure characteristic of most southern African societies. The results suggest that most children imagine migration as a household rather than an individual process.. rarely including micro -migrations between extended family households in their drawings. Further, children's images of migration are place-rooted in everyday life experiences. Their representations concentrate on the reasons for migration, both negative and positive, which are specifically related to their local social and environmental situations and whether house moves take place locally or over longer distances. The paper concludes by exploring the implications of these conceptualisations of moving house for children's contemporary migration experiences, particularly in light of changing family structures due to the effects of the HIV/AIDS pandernic. (c) 2005 Elsevier Ltd. All rights reserved

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Research pertaining to children's geographies has mainly focused on children's physical experiences of space, with their 'imagined geographies' receiving far less attention. The few studies of children's imagined geographies that exist tend to focus on children's national identities and their understanding of distant places. However, children's lives are not necessarily static and they often move between places. Research has not so far considered children's images of these transitional spaces or how such images are constructed. Through an examination of over 800 thematic drawings and stories, regarding 'moving house, produced by children aged 10-17 years in urban and rural communities of Lesotho and Malawi, this paper explores southern African children's representations of migration. The research considers how ideas of migration are culturally-constructed based on notions of family, home and kinship, particularly in relation to the fluid family structure characteristic of most southern African societies. The results suggest that most children imagine migration as a household rather than an individual process.. rarely including micro -migrations between extended family households in their drawings. Further, children's images of migration are place-rooted in everyday life experiences. Their representations concentrate on the reasons for migration, both negative and positive, which are specifically related to their local social and environmental situations and whether house moves take place locally or over longer distances. The paper concludes by exploring the implications of these conceptualisations of moving house for children's contemporary migration experiences, particularly in light of changing family structures due to the effects of the HIV/AIDS pandernic. (c) 2005 Elsevier Ltd. All rights reserved

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The UK construction industry is in the process of trying to adopt a new culture based on the large-scale take up of innovative practices. Through the Demonstration Project process many organizations are implementing changed practices and learning from the experiences of others. This is probably the largest experiment in innovation in any industry in recent times. The long-term success will be measured by the effectiveness of embedding the new practices in the organization. As yet there is no recognized approach to measuring the receptivity of the organization to the innovation process as an indication of the likelihood of long-term development. The development of an appropriate approach is described here. Existing approaches to the measurement of the take up of innovation were reviewed and where appropriate used as the base for the development of a questionnaire. The questionnaire could be applicable to multi-organizational construction project situations such that the output could determine an individual organization's innovative practices via an innovation scorecard, a project team's approach or it could be used to survey a wide cross-section of the industry.

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Many nations are experiencing rapid rises in the life expectancy of their citizens. The implications of this major demographic shift are considerable offering opportunities as well as challenges to reconsider how people should spend their later years. A key task is enhancing the quality of life of older people through enabling them to continue to live independently even though illness, accident or frailty may have severely reduced their physical and sensory abilities and, possibly, mental health. Yet the needs of older people and disabled people have been largely ignored in the design of everyday consumer products, the home, transport systems and the built environment in general. Whilst the need for designers, engineers and technologists to provide products, environments and systems which are inclusive of all members of society is widely accepted, there is little understanding of how this can be achieved. In 1998 the UK Engineering and Physical Sciences Research Council established its EQUAL Initiative. This has encouraged design, engineering and technology researchers in universities to join with their colleagues from the social, medical and health sciences to investigate a wide range of issues experienced by older and disabled people and to propose solutions. Their research, which directly involves older and disabled people and, for example, social housing providers, social services departments, charities, engineering and architectural consultants, and transport firms, has been extremely successful. In a very short time it has influenced government policy on housing, long-term care, and building standards, and findings have been taken up by architects, designers, health-care professionals and bodies which represent older and disabled people.