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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.
221

An investigation of indoor positioning systems and their applications

Ma, Zixiang January 2018 (has links)
Activities of Daily Living (ADL) are important indicators of both cognitive and physical well-being in healthy and ill humans. There is a range of methods to recognise ADLs, each with its own limitations. The focus of this research was on sensing location-driven activities, in which ADLs are derived from location sensed using Radio Frequency (RF, e.g., WiFi or BLE), Magnetic Field (MF) and light (e.g., Lidar) measurements in three different environments. This research discovered that different environments can have different constraints and requirements. It investigated how to improve the positioning accuracy and hence how to improve the ADL recognition accuracy. There are several challenges that need to be addressed in order to do this. First, RF location fingerprinting is affected by the heterogeneity smartphones and their orientation with respect to transmitters, increasing the location determination error. To solve this, a novel Received Signal Strength Indication (RSSI) ranking based location fingerprinting methods that use Kendall Tau Correlation Coefficient (KTCC) and Convolutional Neural Networks (CNN) are proposed to correlate a signal position to pre-defined Reference Points (RPs) or fingerprints, more accurately, The accuracy has increased by up to 25.8% when compared to using Euclidean Distance (ED) based Weighted K-Nearest Neighbours Algorithm (WKNN). Second, the use of MF measurements as fingerprints can overcome some additional RF fingerprinting challenges, as MF measurements are far more invariant to static and dynamic physical objects that affect RF transmissions. Hence, a novel fast path matching data algorithm for an MF sensor combined with an Inertial Measurement Unit (IMU) to determine direction was researched and developed. It can achieve an average of 1.72 m positioning accuracy when the user walks far fewer (5) steps. Third, a device-free or off-body novel location-driven ADL method based upon 2D Lidar was investigated. An innovative method for recognising daily activities using a Seq2Seq model to analyse location data from a low-cost rotating 2D Lidar is proposed. It provides an accuracy of 88% when recognising 17 targeted ADLs. These proposed methods in this thesis have been validated in real environments.
222

Exploring the psychological health and wellbeing experiences of female veterans transitioning from military to civilian environments

Jones, Gemma January 2018 (has links)
Background: The inclusion of women in the armed Forces is becoming increasingly commonplace, with figures currently standing at 10.2% of the regular Forces in the United Kingdom (UK). This is set to rise with the introduction of the new Ground Close Combat (GCC) ruling which came in earlier this year (2017), allowing women to serve on the frontline with their male colleagues. However, alongside these changes, women already face stressors and exposure to combat in the Forces that potentially contribute to difficult transitions back into everyday life when leaving the military environment. The aim of this study was therefore to engage with and explore the experiences of female veterans psychological health and wellbeing as they transition from the Forces into civilian life, understanding the different processes they encounter as they transition. Methodology: Six female veterans who fit the inclusion criteria were recruited for the study. In this qualitative study, semi-structured, one-to-one, in-depth interviews were conducted and analysed in accordance with Charmaz's (2006) Constructivist Grounded Theory (CGT) guidelines. This iterative and inductive analytical process was utilised to construct an understanding of the participant's experiences and understandings of their transition. Findings: Concurrent with the CGT approach, nine theoretical categories developed from the analysis of the interviews, including role reversal, sexism and loss. These contributed to the development of a transition model, representing an interaction between the military environment, no mans land and the civilian environment. Findings indicate that experiences of transitioning faced by female veterans are complex, and involve gender-related issues. The findings also suggest that problems with mental health such as Post-Traumatic Stress Disorder are common, and are heightened by additional stressors specific to women's experience in the military and civilian environments. Discussion and Conclusion: These findings suggest that female veterans health and psychological wellbeing experiences in the military are parallel to those they experience in civilian life. Consistent with previous literature, the female veterans interviewed appear to have experienced their transitions differently to male counterparts, with additional stressors present throughout their transitions. These stressors contribute to the uncertainty of identity, stigma and a loss of military ways when transitioning back into a civilian society. Consequently, more services that are tailored to female military veterans, are proposed, in order to support the increasing number of female veterans that will present in the future. This has implications for therapeutic practice in counselling psychology, whereby a deeper understanding of the difficulties and challenges experienced by female veterans during transition into civilian life can inform therapeutic interventions and signposting to specific services tailored their needs.
223

Mental health and spirituality of female prisoners in a women's prison in Chile

Aboaja, Anne Marie January 2018 (has links)
Background: The mental health of prisoners is of growing global health importance as prison populations increase exponentially. Though additional risks of mental disorder and poor mental wellbeing of prisoners are now better understood, women, especially those in low and middle income countries, and in regions outside North America and Europe are underrepresented in prison mental health studies. There is strong evidence of associations between religion and spirituality (RS) and mental health in the general population in North America and Europe. This thesis aims to measure and explain any associations between RS and depression and mental wellbeing among female prisoners in Chile. Methods: An explanatory sequential mixed methods approach comprised an initial quantitative study linked to a subsequent qualitative study. In the quantitative phase, 94 randomly sampled female prisoners in Chile participated in a pooled two-stage cross-sectional survey which collected data on background, mental health and RS variables. Mental wellbeing was measured using the Warwick-Edinburgh Mental Wellbeing Scale (WEMWBS). Self-report depression data were collected and 40 prisoners were also administered the Mini International Neuropsychiatric Interview (MINI). RS variables included: affiliation, personal importance, involvement (frequency of attending services), benefits and beliefs. The design of the qualitative phase was informed by quantitative study findings. Six prisoners who had participated in the cross-sectional survey attended one of two focus groups. Individual in-depth interviews were conducted with 3 prison chaplains and 2 health professionals from the prison health centre. Topic guides for focus groups and interviews were used to facilitate discussions on the mental health and RS of female prisoners and to elicit views on selected findings from the quantitative study. Logistical regression techniques were used to statistically test the hypothesis of no association between RS and depression and mental wellbeing. Audio-recorded qualitative data were transcribed in Spanish and analysed thematically in English. Results: Of the 94 women, 11 (11.7%) reported a current professional diagnosis of depression, while major depression was confirmed in 13 (32.5%) of the 40 women assessed using the MINI. The women had a median WEMWBS score of 55 (IQR 43-61) out of 70. Religiosity was high among the sample with 86 (91.5%) women affiliated to mainstream Christianity and 69 (73.4%) who considered RS to be personally very important. In a sample of 40 women, frequency of attendance at RS services was significantly higher in prison than during the year prior to incarceration (Wilcoxon Sign Ranks Test Z=3.1; p < 0.002). No significant associations were found between depression and mental wellbeing, and the key RS variables. However, 61 (89.7%) women believed there was a connection between their mental health and spirituality. The qualitative data revealed differences within and between participant groups in understandings of mental health and RS terminology and concepts. Themes emerged around the prison determinants of mental health and the mental health effects of the female gender. Prisoners identified RS variables that influenced mental health which had not been measured in the survey. Explanations were found for the divergent survey results of the association between RS and mental health. The data showed how RS shapes prisoners' help-seeking behaviour and attitudes to mental health care. Conclusion: The association between RS and mental health among prisoners in Chile remains unclear but may differ from established patterns reported in non-prisoner populations. This a challenging area of study with an additional layer of complexity present in prison populations where there are high levels of religiosity and spirituality. Larger studies are needed to confirm the quantitative findings, while qualitative findings should lead to raised awareness of RS in the development of prison mental health strategies in accordance with the needs of a given population.
224

The splendour of the insignificant : an investigation of sacred and mundane landscapes and the alchemy of light

White, Rachel January 2017 (has links)
This study aims to contextualise my own photographic practice in relation to the interaction between mundane and sacred landscapes and the role that the transformative alchemy of light has on our perception of the ordinary. Reference will be made to the development of the genre of landscape photography, with particular reference to the selective aesthetic of pristine Wilderness, as embodied in the work of Ansel Adams, through the ‘man-altered’ landscapes of the New Topographics and Mark Klett’s rephotographic project, to discuss an aesthetic of the everyday. Reference will also be made to the benefits to health and wellbeing that can be achieved as a result of engaging in a state of mindfulness (Crane), also known as optimal experience or flow (Csikszentmihalyi) through photographic practice. Rather than narrowing the focus of the study by excluding relevant information to make the research less complex, the thesis comprises information from a diverse range of disciplines encompassing both the more obviously creative subjects of photography, aesthetics and poetry and areas such as health care. Given the parameters of the PhD process in relation to the breadth of the research undertaken, the specific study of each diverse element is, of necessity, not as detailed as it may have been had a single, more specifically defined, area of research been the entire focus of the research. The inclusive nature of the research presented in this thesis offers unique insights by providing direct comparisons and establishing new relationships between the theoretical and methodological approaches of a range of differing disciplines. While a written thesis forms part of the dissemination of the research findings the images that have emerged as a result of engagement with the study will be exhibited as an integral element of the outcome. The images that have been created as a result of the research process will take their place as objects within the world, offering viewers potential new ways of perceiving and experiencing what Rancière refers to as the ‘splendour of the insignificant’ within the landscape of their own everyday lives.
225

Art as a Spiritual Expression for Indigenous Well-being

January 2018 (has links)
abstract: Art is a form of spiritual expression that is thriving in many Indigenous cultures. It can take many forms, meanings and have a multitude of emotional, mental, physical and spiritual effects on its creator as well as its audience. Amongst American Indians, art has been a method for maintaining holistic well-being intended to heal and cope with traumatic experiences. In this thesis, I examine the western societal and cultural influences that have led to the loss of cultural identity and examine approaches and practices that aim to re-establish a resilient connection to identity and well-being using art as a spiritual catalyst. Literary research and articles were reviewed related to the issue of art as a form of spiritual expression in Indigenous cultures. An autoethnography was conducted with the intent to record and reflect on the well-being of the researcher in relation to her artistic expression. Journaling and vlogging were used as research methods and painting, sketching, and beading was used as artistic methods. Over the course of six months, over 50 videos with 30 hours of raw footage were recorded; averaging 2 hours per day. The results are reflected in the researchers free-flowing and emotionally driven reflection of experiences that have driven her artwork. This thesis supports the establishment of art as a form of spiritual expression for transforming the current western focused health care paradigm to one that recognizes, values and employs Indigenous insight, methodologies, worldviews, culture and spirituality. / Dissertation/Thesis / Masters Thesis American Indian Studies 2018
226

EXAMINING GAY BLACK MEN’S EXPERIENCES OF RACISM FROM THE LESBIAN, GAY, BISEXUAL, AND TRANSGENDER COMMUNITY

Mendez, Christopher 01 December 2019 (has links)
To my knowledge, few studies have investigated the effects of ingroup prejudice. Study 1 assessed the relationship between experienced ingroup prejudice and wellbeing. Results indicated that experiencing racism from the LGBT community was related to poor wellbeing amongst Black men (N=99). Partial correlations indicated that while controlling for other sources of prejudice, racism from the ingroup (i.e., LGBT community) continued to relate to the wellbeing of gay Black men (GBM); however, the relationship between racism from the outgroup (i.e., Whites) and wellbeing was lost. Thus, ingroup and outgroup racism may affect GBM’s wellbeing differently. For Study 2, (N=264) I once again, evaluated the relationship between ingroup prejudice and wellbeing amongst gay Black men. Findings demonstrated that effects of prejudice on wellbeing of GBM were not dependent upon ingroup and outgroup prejudice. However, racism from the LGBT community was more impactful than any other condition. GBM reported lower self-esteem when racism stemmed from the LGBT community versus sexuality prejudice from the Black community. This may be due to GBM finding bias from the LGBT community as more unexpected compared to all other sources of bias. When bias stemmed from the LGBT community compared to all groups, GBM reported lower self-esteem and lower perceived control. Mediation analyses demonstrated that bias expectations mediated the relationship between the difference of racism from the LGBT community from all other groups and wellbeing. Moreover, GBM identified less with their ingroups when they read about ingroup prejudice.
227

Impact of Area Social Predictors of Health on Black-White Disparities in Stroke Mortality

Dark, Tyra 06 April 2007 (has links)
This dissertation investigated the area social predictors of health (ASPoH) and Black-White disparities in stroke mortality relationship. Utilizing stroke mortality data obtained from the Florida Department of Health for years 1998-2002, and social and economic data obtained from the year 2000 Census of Population, this study examined the effect of resource availability at the census tract level on Black-White disparities in stroke mortality. The influence of social class on Black-White disparities in stroke mortality and effect modification by social class of the association between Black-White disparities and ASPoH variables was also investigated. Principal component analysis produced four ASPoH scores from economic and social measures. Multiple regression analysis assessed the predictive ability of these ASPoH variables on Black-White disparities. Increases in the female Black-White ratio were significantly associated with increases in the magnitude of the ASPoH-1 and ASPoH-2 variables. When regression analyses were restricted (in terms of population count minimums) to a subset of census tracts, increases in the ASPoH-1 and ASPoH-2 variables were significantly associated with increases in all Black-White disparity measures for both males and females. Assessment of the influence of social class on Black-White disparities in stroke mortality was only feasible at the state level due to a lack of data at the census tract level. With the exception of the 65+ years age-group, Black males and females experienced higher age-group specific stroke mortality rates across each of the social class groups. Inconsistent with previous research findings, Black residents who attained a high school degree had the highest stroke death rates compared to all other educational attainment groups. In the assessment of social class as a potential effect modifier, the study hypothesis stated that the ASPoH measures would have the greatest impact on those residents in the lowest social class category. This predicted effect was only supported when the Male Black-White ratio disparity score was examined. Study findings support the conjecture that unknown and unmeasured processes influence the association between area social predictors and stroke mortality for Black Floridians. Identification of modifiable societal characteristics may be the key to unlocking the foundation of disparities in health outcomes.
228

Dancing with the Shadows of Wellbeing: An Exploration of Participatory Action Research Processes as a Catalyst for Transformation of Staff Wellbeing

Bentley, Rosemary Diane January 2007 (has links)
My abiding concern with human and planetary wellbeing and an emerging interest in the potential of Participatory Action Research as a method of engaging with restorative, life-enhancing ways of being are central to the research reported here. Chomsky (2003), Kelsey (2002), Roddick (2001), and Stiglitz (2003) are amongst many authors who argue that the way in which we shape and are shaped by our relationships with one another has contributed to an intolerable, inhumane and unsustainable compromise of human and planetary wellbeing. Through a Participatory Action Research (PAR) project with staff from Te Ra, a community based on the holistic ideals of Rudolf Steiner, and thus an organisation explicitly committed to holistic wellbeing of people and planet, we sought to explore the challenges to such wellbeing. While our mutual attention was focused on enhancing staff wellbeing at their place of employment, my wider attention was also given to an investigation of the value of a critical analysis to the wider political and economic context in which this organisation works to meet the aspirations of this community. My deep attention has also focused on the potential for PAR to make a contribution to the transformational aspirations of critical theorists who are concerned to uncover and transform aspects of society that inhibit justice and wellbeing of people and planet. My metaphor of choice, to allow me the engagement in all three spheres simultaneously, is the metaphor of Dance. In my work with the staff of Te Ra, our intent was to 'dance with the Shadows', alluding to Jungian references to hidden aspects of ourselves and this community, to discover if un-wellness and disconnection from self and others could be transformed into flourishing relationships and wellbeing in the organisation. McNiff (2000) proposes that PAR has the potential to generate living theories that redefine the main purpose of organisation theory in terms of human wellbeing. Throughout this research project, principles of PAR are woven in with work of critical organisational theorists, psychologists and anthropologists. The already established ideas of reflection, observation, reflexivity, and action are choreographed with the less often considered ideas of those aspects of the research relationship that may inhibit mutuality. While this organisation is explicitly and deeply committed to underpinning all that is aspired to with a relational ethic, the impact that instrumental practices associated with an intensifying neo-liberal economic external environment have not left this organisation untouched. It took commitment, courage and resources to identify and engage with the Shadows masked by intrinsic and extrinsic pressures and processes that these research participants were experiencing. Engaging in PAR processes allowed us dance 'up close and personal' with their aspirations to begin transforming what was not well, while recognising and reinforcing the organisation's existing strong philosophical and spiritual foundations that emphasized individual freedom and collective responsibility for wellbeing of all. Based on the significant transformations achieved during this project we posit that PAR provides a collaborative opportunity for academics and practitioners to 'dance with the Shadows' of individuals and communities to make a significant contribution to the development of sustainable relationships in workplaces where human and planetary wellbeing is the priority.
229

New directions in the psychology of coaching: The integration of mindfulness training into evidence-based coaching practice

Spence, Gordon B January 2007 (has links)
Doctor of Philosophy (PhD) / Although the field of coaching psychology has witnessed some theoretical and empirical advances in recent years, this has yet to translate into a commonly accepted theoretical and empirical foundation for coaching practice. Rather, coaching practice has run well ahead of related theory and research, and resulted in the establishment of an industry that lacks firm foundations. This doctoral dissertation reports on a series of reviews and empirical studies designed to further the development of evidence-based coaching practice (EBCP). A review of the relevant literature revealed that the development of solid evidence-based foundations is critical if coaching is to realise its promise and potential. As events surrounding the decline of the human potential movement (HPM) in the 1960s and 1970s indicate, the absence of theoretically-based rationales and solid research support may be a reliable predictor of decline for particular treatment modalities. Whilst the development of EBCP has important implications for the formal preparation of coaches, pedagogical recommendations to industry educators are difficult whilst the characteristics of the coaching industry remain hidden. In order to develop the profile of the Australian coaching industry, a survey was conducted of 148 practicing coaches. The results of this study revealed the presence of a diverse local industry. Despite the existence of a small core of highly experienced practitioners, the majority of coaches appeared to have little coaching experience and greatly varied skills and experience. Interestingly, only 20% of respondents reported any formal training in psychology or the other helping professions. Given recent data that suggests mental health issues may sometimes be encountered in coaching (Green, Oades, & Grant, 2006; Spence & Grant, in press), it is concluded that the majority of coaches lack the skills and knowledge to identify and deal effectively with such eventualities. As the development of an informed strategy for dealing with mental health issues would move the practice of coaching onto a more professional footing, it is recommended that coaches receive basic training in the identification and appropriate referral of such issues. Much of the work presented in this dissertation is based on the presupposition that client outcomes can be optimised through the use of EBCP. However, as this assumption has yet to be empirically tested, a total of 63 participants took part in a 10-week life coaching program. The results showed that when life coaching was conducted by coaches trained in cognitive-behavioural solution-focused (CB-SF) coaching methods (i.e. professional coaching), as opposed to untrained peers (i.e. peer coaching), participants were more engaged in coaching and reported significantly greater goal attainment, goal commitment and environmental mastery. Effective goal-directed self-regulation requires that individuals remain focused on their goals overtime, whilst managing a steady stream of disturbances that can destabilise goal directed effort. In this regard, the construct of mindfulness has much conceptual relevance. Mindfulness reflects the unique human capacity for directing conscious awareness via the controlled deployment of attention. After an extensive review of the scholarly literature, three alternative conceptualisations are presented (i.e. Eastern religious, socio-cognitive and cognitive-attentional perspectives), accompanied by a description of the mindfulness skills training practices associated with each. A total of 72 participants then took part in a study to assess the impact of three mindfulness training (MT) programs on mindfulness, goal-directed self-regulation, mental health and wellbeing. The results revealed that all the MT programs were effective in significantly increasing mindfulness and a variety of mental health and wellbeing indicators. Importantly, MT was also found to significantly increase goal attainment; suggesting that MT may be a valuable addition to EBCP. Goal attainment is a key dependent variable in coaching research. However, the measurement of goal attainment has yet to receive much attention in the coaching literature. As most empirical coaching studies have reported findings based on measures that rely exclusively on subjective measures of performance (measures that are susceptible to several forms of distortion and bias), some key issues relating to the measurement of goal attainment are reviewed and explored in detail. From this review, goal attainment scaling (GAS) is identified as a potentially useful methodology with which both researchers and practitioners can document and evaluate coaching outcomes. The final study pulls together the threads from work presented to that point, and integrates them into a practice framework for coaching. A total of 42 participants took part in this study, which investigated the efficacy of using MT and CB-SF coaching to facilitate the attainment of health goals. The results showed that the delivery of MT prior to (rather than after) CB-SF coaching was more effective in facilitating these outcomes. This suggests MT may be important in coaching for helping people prepare for change.
230

Art as an intervention with emotionally distressed children to improve health and wellbeing

Milton, Rosemary E., n/a January 1993 (has links)
When children arc emotionally distressed, their capacity for learning is diminished and their self esteem is lowered. Not only is their behaviour often disruptive, reflecting their inner feelings and frustrations, but their health and wellbeing, physical, psychological, and spiritual is affected. Art is a natural medium of expression for children and provides an emotionally distressed child with a means of self expression, enabling an emotional release, an opportunity for self-exploration, and a means of communication which may not be possible through the normal channel of language. An art intervention program was implemented with a small group of emotionally distressed or withdrawn children at an A.C.T. primary school which holds a humanistic/holistic attitude to health and education. The study was undertaken between May and November 1992 in a first grade integrated classroom, where mainstream children are together with special needs children. The object of the study was to examine if art activities in small groups can provide a combination of personal and group experiences that result in a therapeutic change to the emotional health and wellbeing of the participating children.

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