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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
91

Sex differences in anxiety during adolescence : evidence from rodents and humans

Lynn, Debra A. January 2012 (has links)
Anxiety disorders commonly emerge during adolescence, and girls are diagnosed with these disorders more frequently than boys. Understanding why anxiety disorders emerge and why non-clinical anxiety symptoms increase during adolescence is important for understanding this sex difference and how to treat adolescent sufferers. Potential mechanisms, such as puberty or cognitive biases, can be investigated both in humans and in rodent models of anxiety. This thesis aimed to characterise sex differences and changes in anxiety-like behaviour across adolescence and into adulthood in the rat, and to examine anxiety and interpretive bias in adolescent humans. In rats, we examined performance on common tests of anxiety-like behaviour: the emergence test, open field and elevated plus-maze. Exploration on these tests increased from mid-adolescence into adulthood, and greater exploration by females was apparent from late adolescence. While the behaviours themselves remain interesting, caution on interpreting these behaviours as anxiety-related warranted and is discussed throughout the thesis. Potential effects of the ovarian cycle and testing order on EPM performance were also examined. In humans, 12-14 year old adolescents complete visual and written interpretive bias tasks, this bias being considered to be a cognitive vulnerability for anxiety. The results showed that, when imagining themselves in ambiguous scenarios, girls were more negative in their interpretations than boys. Additionally, both sexes also interpreted social scenarios more negatively than non-social scenarios. As puberty is thought to be important to the emergence of disorder during adolescence, interpretive bias could potentially mediate the puberty-anxiety relationship. While more interpretive bias work is needed in both species, the recent development of interpretive bias tasks for rodents provides an opportunity to move away from difficult to interpret tests of anxiety-like behaviour in rodents, and should allow for greater convergence of the human and rodent anxiety research.
92

Influential Factors in Innovation Initiatives at a Telecom Equipment Supplier : A Study of Lead Generation and Add-on Sales’ Hindrances and Enablers

Souza, Alina, El Ghazouani, Anas January 2016 (has links)
Abstract In this research, we aim to look at the inner workings of Lead Generation and Add-on Sales through the eye of the people working directly with it. We do that with the objective of understanding what contributes positively to its success and what can cause problems or hinders it throughout all its stages from generating innovative ideas to implementing and selling them. We have chosen a qualitative method to conduct this study using an interpretive paradigm in performing our analysis of the findings. The data was collected by organizing interviews with participants that we selected in collaboration with Telco’s researchers. The interviews were recorded, transcribed and coded to form our primary data. In addition to that, we have used vast secondary data that was deemed to be relevant to the subject we were researching. After analyzing the results and findings, we look to answer the research questions, which concern the difficulties accompanying the innovative process between initiating an idea and implementing it as well as identifying the enablers and hindrances that arise during the operations of these innovative initiatives called Lead Generation and Add-on Sales. Once factors were identified, further analysis is performed to discuss if these factors are hindrances or enablers to the innovative initiatives at Telco. The frontline employees’ new business ideas (leads) or add-on sales are added as inputs to the ICT systems of this initiative and follow to subsequent phases until reach the commercialization phase in case they succeed, all the phases and processes occur through the ICT systems. In the context of this research, technology plays a key role and not only make the Lead Generation and Add-on sales processes viable but is also a factor that can either facilitate or impede potential leads or add-on sales to succeed. We put forward a model to better illustrate our findings and clarify the reasoning behind them. Despite the delimitations in terms of scope of this research, we believe that our findings and analysis can play a role in contributing to the understanding of factors that can be a barrier in the pursuit for innovation.
93

The Meaning of Being an Oncology Nurse: Investing to Make a Difference

Davis, Lindsey Ann 13 September 2012 (has links)
The landscape of cancer care is evolving and as a result nursing care continues to develop and respond to the changing needs of oncology patients and their families. There is a paucity of qualitative research examining the experience of being an oncology nurse on an inpatient unit. Therefore, a qualitative study using an interpretive phenomenological approach has been undertaken to discover the lived experience of being an oncology nurse. In-depth tape recorded interviews has been conducted with six oncology nurses who worked on two adult inpatient oncology units. Van Manen’s (1990) interpretive phenomenological approach has been used to analyze the data by subjecting the transcripts to an analysis both line by line and as a whole. The overarching theme of the interviews is: Investing to Make a Difference. The themes that reflect this overarching theme are: Caring for the Whole Person, Being an Advocate, Walking a Fine Line, and Feeling Like You are Part of Something Good. Oncology nurses provide care for their patients through a holistic lens that further enhances how they come to know their patients. Over time, relationships with patients and families develop and these nurses share that balancing the emotional aspects of their work is key in being able to continue to invest in their work and in these relationships. Their investment is further evident as oncology nurses continuously update their knowledge, for example, of treatment regimes, medication protocols, and as they champion their patients wishes and needs. As nurses develop their own identities as oncology nurses, they in turn enhance the team with their emerging skill and knowledge. These research findings serve to acknowledge the meaning of oncology nurses’ work and inform the profession’s understanding of what it means to be an oncology nurse.
94

An exploration of owner-manager problem solving practices in small firms : the Central Vancouver Island experience

Giroux, Isabelle January 2008 (has links)
A significant amount of research in the field of small business management has correlated small firm performance with the sophistication of overall management skills (see, for example, Gasse, 1997; Gadenne, 1998; Zinger, leBrasseur and Zannibi, 2001; Balderson, 2003) and more particularly problem solving skills. Yet, even though problem solving skills are at the core of the small business management process (Jennings and Beaver, 1997), there has been little research to date that has focused on understanding the actual approach small business owner-managers take to solve the problems they encounter as the present study has done, through the utilization of an interpretive research design applied to a sample of small firms. The primary purpose of this exploratory study is to investigate the nature of problem solving practices adopted by 11 small business owner-managers on Central Vancouver Island, Canada, by identifying the types of problems encountered in the years following their establishment, the actions taken to solve these problems and the outcomes of these actions for the firm. It examines the characteristics of the problemm solving approaches utilized by owner-managers as they encountered problems, and identifies how they perceived the impact of the approach taken on the continued survival of their firm. The methodological approach taken in this study is positioned within an emergent body of research in the field of small business and entrepreneurship that applies an interpretive paradigm to uncover the complex facets of how individuals develop their capabilities and management practices (Chell and Allman, 2003) with a particular emphasis on the small business owner-manager. The interpretive assumptions guiding the research process have allowed new understandings to emerge about problem solving in small firms within the wider context of managerial capability as a critical contributor to small business survival. More specifically, the critical incident technique method (Flanagan, 1954; Chell, 1998), along with an approach to data analysis and coding that draws from grounded theory (Glaser, 1992; Glaser and Strauss, 1999; Strauss and Corbin, 1998), are combined and applied as a qualitative research strategy. This strategy has not previously been used in relation to the study of problem solving in small firms. This interpretive paradigm allows the exploration of how small business owner-managers attach meaning to their subjective experiences and the implications of these perceptions for the business outcomes of the firm, specifically as they relate to solving critical business problems. As a result, the interpretive methods applied in the course of this study make a novel contribution to the field, since they have yielded new interpretations on the nature of problem solving processes in the sample of small firms studied. The findings presented here reveal the intuitive, improvised and non-linear nature of how problems are actually solved in these small firms, in contrast to a number of well-known theoretical research frameworks that propose well-defined and delineated steps in the problem solving process. The results of this study make a valuable contribution to building new theory in this area of inquiry by demonstrating how more dynamic processes occur in practice. An alternative way to conceptualize problem solving in small firms is presented in Chapter 6, A Holistic Framework for Problem Solving in Small Firms.
95

Principles and practices for the application of systems engineering to heterogeneous research partnerships

Robitaille, Samantha F. January 2011 (has links)
A heterogeneous research partnership (HRP) is one in which industry, academia and government collaborate to conduct research, typically of national importance. Whilst most HRPs complete their planned duration and deliver their agreed tasks, it is not uncommon for participants to be left feeling somewhat dissatisfied, suggesting that the requirements which are being met are incomplete. There is an opportunity to improve the success of HRPs by establishing principles and practices for the application of systems engineering in their development. The thesis reviews literature drawn from a broad body of work covering three main areas: the context of HRPs themselves, systems engineering and related disciplines, and research methodology. The research adopts an interpretive approach, initially applying Soft Systems Methodology in a pilot case study and subsequently conducting a qualitative analysis of sixteen HRP case studies in order to develop and refine generic models which are relevant to HRPs. Drawing from the commentary of interviewees, published sources and other evidence, major themes across the case studies are integrated in order to develop ten principles and ten practices for the application of systems engineering to HRPs. The importance of consistency between the research context, systems approach and research methodology is emphasised, and the thesis highlights a significant philosophical challenge facing system of systems research as the discipline seeks to use a range of hard and soft systems approaches which are fundamentally rooted in different paradigms.
96

Pupils' and teachers' perceptions of visual art education : a case study based on one of Greece's new secondary arts schools

Tsimboukidou, Irene January 2010 (has links)
This study sets out to interpret pupils’ and teachers’ perceptions about learning in visual arts in the context of the third year visual art class of one of the three specialist arts schools in Greece. The rationale for the research was to understand how pupils and teachers in this type of specialist arts school perceived the learning process, which could have some transfer value to other contexts of learning in the visual art subject. The research may contribute to the body of knowledge and the practice of art education in Greece, and possibly inform future curriculum development in the subject. In Greece, since 1985, the development of art education and pupils’ aesthetic understanding has been one of the five fundamental aims for secondary and primary education. To improve art education at the primary and secondary level, the Greek Ministry of National Education and Religious Affairs has undertaken several initiatives. One such initiative has been the development of specialist arts schools. These alternative specialist schools exist in several European countries. In 2003 the Greek Ministry of Education announced the establishment of the first arts school of the country. The year the research was conducted 2008-2009, three arts schools were operated in Greece. The research endeavoured to understand issues related to the learning process in one of the new specialist arts schools, as perceived by third year pupils (aged fourteen and fifteen years old) and their visual art teachers. The research used the interpretive research paradigm, as it is the most suitable method to explore the socio-cultural reality in which the pupils and teachers are situated. Qualitative data were collected using semi-structured interviews, observations, and focus groups. The analysis of findings revealed a learning experience very closely related with the philosophy and the content of the Greece’s national curriculum of visual art. However, according to the findings of this study further attention needs to be given to the issue of developing imaginative thinking, within the framework of the art curriculum. The study proposes an alternative version of the art curriculum, with a view to facilitating imaginative thinking, in the art curriculum of specialist arts schools in Greece as well as the teaching of art in normal secondary schools. It is hoped that the results of the study will offer ground for discussions and oppositions in the area of art education in Greece, in which area not much research has been undertaken. The study’s proposal for the revisions to the existing art curriculum for the specialist arts schools, as they are resulted from evidences embedded in pupils and teachers views, stress on the significance and the originality of the findings and for this reason it is hoped to concern the writing aspect of Greece’s future curriculum writers. This will add to the development of art education in Greece and further will foster relationships between the members of the particular school where the research was carried out.
97

The Emergence of Organization Through Communication

Hope, Michael 08 1900 (has links)
Taylor, Cooren, Giroux, and Robichaud (1996) theorize that an organization is created entirely through the interpretations of its members and it evolves as those conversations change. Demonstrating the Taylor et al. theory, the current study focuses on the outcomes of management vision and strategic planning sessions in a division of a large Southwestern University. It explores the ways organization emerges through the discourse of the managers, how text is amplified to support the organization as a whole, the ways organization continues to emerge in communication, and in what ways the emergent view of organization exists throughout the division. The results of the study support the Taylor et al. theory. Management participants created an expanded view of the organization through discourse and then linked it to the university as a whole. Evidence was found supporting continued reformulation but it was limited to the management participants and did not include hourly employees.
98

Meaning and Action in Sustainability Science : Interpretive approaches for social-ecological systems research

West, Simon January 2016 (has links)
Social-ecological systems research is interventionist by nature. As a subset of sustainability science, social-ecological systems research aims to generate knowledge and introduce concepts that will bring about transformation. Yet scientific concepts diverge in innumerable ways when they are put to work in the world. Why are concepts used in quite different ways to the intended purpose? Why do some appear to fail and others succeed? What do the answers to these questions tell us about the nature of science-society engagement, and what implications do they have for social-ecological systems research and sustainability science? This thesis addresses these questions from an interpretive perspective, focusing on the meanings that shape human actions. In particular, the thesis examines how meaning, interpretation and experience shape the enactment of four action-oriented sustainability concepts: adaptive management, biosphere reserves, biodiversity corridors and planetary boundaries/reconnecting to the biosphere. In so doing, the thesis provides in-depth empirical applications of three interpretive traditions – hermeneutic, discursive and dialogical – that together articulate a broadly interpretive approach to studying social-ecological complexity. In the hermeneutic tradition, Paper I presents a ‘rich narrative’ case study of a single practitioner tasked with enacting adaptive management in an Australian land management agency, and Paper II provides a qualitative multi-case study of learning among 177 participants in 11 UNESCO biosphere reserves. In the discursive tradition, Paper III uses Q-method to explore interpretations of ‘successful’ biodiversity corridors among 20 practitioners, scientists and community representatives in the Cape Floristic Region, South Africa. In the dialogical tradition, Paper IV reworks conventional understandings of knowledge-action relationships by using three concepts from contemporary practice theory – ‘actionable understanding,’ ‘ongoing business’ and the ‘eternally unfolding present’ – to explore the enactment of adaptive management in an Australian national park. Paper V explores ideas of human-environment connection in the concepts planetary boundaries and reconnecting to the biosphere, and develops an ‘embodied connection’ where human-environment relations emerge through interactivity between mind, body and environment over time. Overall, the thesis extends the frontiers of social-ecological systems research by highlighting the meanings that shape social-ecological complexity; by contributing theories and methods that treat social-ecological change as a relational and holistic process; and by providing entry points to address knowledge, politics and power. The thesis contributes to sustainability science more broadly by introducing novel understandings of knowledge-action relationships; by providing advice on how to make sustainability interventions more useful and effective; by introducing tools that can improve co-production and outcome assessment in the global research platform Future Earth; and by helping to generate robust forms of justification for transdisciplinary knowledge production. The interventionist, actionable nature of social-ecological systems research means that interpretive approaches are an essential complement to existing structural, institutional and behavioural perspectives. Interpretive research can help build a scientifically robust, normatively committed and critically reflexive sustainability science. / <p>At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 2: Manuscript. Paper 4: Manuscript.</p>
99

Why are 'Looked After Children' fixed term excluded from school? : using Interpretive Phenomenological Analysis to understand the process

Coles, Thomas January 2012 (has links)
Study One: Study one aimed to understand the perceptions and attributions of LAC fixed term excluded (FTE) from school on multiple occasions. This was carried out with reference to resilience, and an understanding of the possible protective and risk factors were also sought. Concepts of resilience (Prince-Embury, 2008; Gilligan, 2009) and attribution theory (Heider, 1958) provided a broad theoretical framework for the research. Methods: The study followed a mixed method design (carried out simultaneously). One aspect involved semi-structured interviews being undertaken using interpretive phenomenological analysis (IPA) (Smith & Osborn, 2007; 2008) in attempting to generate understanding of the thoughts and feelings of LAC going through the process of being FTE. The second aspect involved the resilience of the LAC being psychometrically measured using the Resilience Scales for Children and Adolescents (RSCA) as a way of validating and contextualising data deriving from the interviews. Results: Teachers acting as confidants and providing emotional containment appeared to significantly enhance resilience. Opportunities for dialogue and a focus on aspects to be developed in a supportive and positive manner was also important. The majority of the LAC had an external locus of control, appearing to serve them adaptively, allowing them to alleviate negative emotions relating to their behaviour. FTEs generally were causally attributed as stable and global, appearing to derive from entrenched thoughts, feelings and behaviours. The process of FTE appeared to compromise aspects of resilience as well as little positive effect being found in terms of learning and development. Study Two: Study two aimed to understand how teachers perceived the LAC participating in study one, and providing comparison with perceptions of the LAC of aspects such as FTEs. The study also sought to provide an understanding as to the causal attributions made by teachers related to LAC. Specifically, how these attributions affected their thoughts, feelings (Weiner, 1985) and practice relating to LAC. Methods: The study followed a mixed method design (carried out sequentially). A survey (SDQ) was used to provide the sample of teachers. Semi-structured interviews were carried out with eight teachers, using IPA as the method of analysis. The Modified Attribution Questionnaire with integrated vignettes was also undertaken by teachers to elicit more stable attributions relating to LAC. Results: Data deriving from interviews found support for Weiner’s (1985) cognitive-emotional-action model. Attributions of high controllability and locus increased teachers’ feelings of anger and frustration relating to the causes of the LAC’s behaviour. Empathy towards the LAC was affected by; collaboration with colleagues and professionals, understanding the needs of the child, ethos of the school, a child centred approach and the LAC’s behaviour deriving from their care background. Further key findings are discussed from a theoretical perspective with implications for practice proposed.
100

A phenomenological investigation of client perceptions of their relationships to co-leaders in process groups

Wood, Benjamin 14 May 2010 (has links)
This dissertation examines the question how do group therapy members perceive the therapeutic relationship in process group therapy? The study fits within the interpretivist paradigm and employs a phenomenological qualitative research approach (Moustakas, 1994). The theoretical framework used to orient the study drew on process group theory according to Rutan, Stone, and Shay’s (2007) psychodynamic group psychotherapy approach and Yalom and Leszcz’s (2005) interpersonal process model of group psychotherapy. Participants were 10 university counseling center clients who were members of process therapy groups at a large urban university. Data collection consisted of in-depth interviews and demographic questionnaires. Phenomenological data analysis procedures followed recommendations by Creswell (2007) and Moustakas (1994). To enhance the rigor and trustworthiness of the study, the researcher engaged in member checking, use of an external auditor, reflexive and methodological journaling, and negative case analysis. Results of the study are presented as descriptions of how participants perceived the therapeutic relationship and the relationship’s influence on the experience of group therapy. Eight categories emerged from the interviews: (a) presence of group leaders; (b) safety; (c) caring; (d) sharing; (e) running the group; (f) levels of leadership; (g) developing understanding; and (h) intimacy with boundaries. Categories consisted of one or more related themes. There is a consideration of how the researcher’s experiences and beliefs played a role in the study. The results are discussed in relation to relevant group therapy theory and research. Strengths, weaknesses, and considerations of the study findings are offered. Implications of the study findings for group therapy practice and research are noted.

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