Дисертації з теми "Life level"
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1
Noronha, Lisete Fernandes de. "Whole life health insurance." Master's thesis, FCT - UNL, 2008. http://hdl.handle.net/10362/2362.
Повний текст джерелаАнотація:
Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa para obtenção do Grau de mestre em Matemática e AplicaçõesThe health insurance has become complementary to the National Health Care system in Portugal. In the last years, the increase of this insurance has been considerable. Despite the health concerns of Portuguese citizens, related to better life quality, medical technology and others, the ageing of Portuguese population is a reality to be well thought-out. Regarding this fact, the whole life health insurance is an important product to be developed. In this dissertation, it is presented an approach to the calculation of the level premiums for the whole life health insurance in order to fulfil the Portuguese insurer’s market requests. A private health insurance company with a historical data of ten years provided the statistics used for this calculation. The levelled insurance premiums were calculated on the basis of the risk involved and according to the principle of equivalence. This means that regarding the period insured, the total of premiums should match the total of the benefits.
2
Villaume, Erik. "Predicting customer level risk patterns in non-life insurance." Thesis, KTH, Matematisk statistik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-103590.
Повний текст джерелаАнотація:
Several models for predicting future customer profitability early into customer life-cycles in the property and casualty business are constructed and studied. The objective is to model risk at a customer level with input data available early into a private consumer’s lifespan. Two retained models, one using Generalized Linear Model another using a multilayer perceptron, a special form of Artificial Neural Network are evaluated using actual data. Numerical results show that differentiation on estimated future risk is most effective for customers with highest claim frequencies.
3
Ganesan, Sathyanarayan. "System level approach for life consumption monitoring of electronics." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/2128.
Повний текст джерелаАнотація:
Thesis (M.S.) -- University of Maryland, College Park, 2004.Thesis research directed by: Dept. of Mechanical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
4
Huston, Sandra J. "Resource-constraint factors influencing individual level global life satisfaction /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3012979.
Повний текст джерела
5
Manuel, Douglas G. "Health-adjusted life expectancy at the local level in Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ28748.pdf.
Повний текст джерела
6
Taylor, Rachel H. "The relationship between help-seeking behavior and level of impairment in work, social life, and family life." Thesis, California State University, Long Beach, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10076453.
Повний текст джерелаАнотація:
Many people are exposed to trauma and subsequently experience mental health distress, though not all seek help for it. This study aimed to explore the relationship between attitudes towards seeking help and level of impairment in work/school, family, and social domains among individuals seeking treatment for traumatic exposure. This study also analyzed the relationship between attitudes to seeking help through various referral sources and demographic characteristics, including gender, race/ethnicity, sexual orientation, and level of education. The analysis revealed no significant relationship between level of impairment and attitudes to seeking help, yet significant differences were found when comparing attitudes towards help seeking among level of education and sexual orientation. Implications of the demographic characteristics of the help seeking population and lack of significance in the relationship between help seeking attitudes and level of impairment are discussed.
7
Boehm, Julia Kate. "Getting used to the good things in life hedonic adaptation to positive life events /." Diss., UC access only, 2009. http://proquest.umi.com/pqdweb?index=74&did=1871865271&SrchMode=1&sid=1&Fmt=7&retrieveGroup=0&VType=PQD&VInst=PROD&RQT=309&VName=PQD&TS=1270230998&clientId=48051.
Повний текст джерелаАнотація:
Thesis (Ph. D.)--University of California, Riverside, 2009.Includes abstract. Includes bibliographical references (leaves 40-47). Issued in print and online. Available via ProQuest Digital Dissertations.
8
Getka, Kristen. "Amenities Provided as Predictors of Job Satisfaction Among Entry-Level, Live-on/Live-in Housing and Residence Life Professionals." Doctoral diss., University of Central Florida, 2012. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5221.
Повний текст джерелаАнотація:
Job satisfaction of entry-level student affairs professionals has been an issue of interest to researchers and practitioners alike since at least the 1980s. A high turnover of housing and residence life live-on and live-in (LO/LI) professionals has led to a curiosity for the reason. Investigation into job satisfaction of these professionals is an ideal way to determine ways to help retain LO/LI professionals and enhance their overall job satisfaction. In this study, the personal demographics, institutional demographics, and amenities provided to entry-level housing and residence life professionals holding LO/LI positions, and what impact, if any, they had on job satisfaction were examined. Job satisfaction was measured by two separate means, both based on the theoretical framework, the Job Characteristics Model. A web-based survey was distributed to approximately 9,000 members of the Association of College and University Housing Officers-International, asking for all LO/LI professionals to complete the survey. Personal demographics slightly affected job satisfaction, and institutional demographics were not related to job satisfaction. Amenities were the strongest predictors of job satisfaction among the three areas examined. Specific amenities such as meal plans, reserved parking, and flexible work hours had a more significant impact on job satisfaction than others.Ed.D.
Doctorate
Educational and Human Sciences
Education and Human Performance
Educational Leadership
9
Ghumman, Waheed Aslam. "Automation of The SLA Life Cycle in Cloud Computing." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-229535.
Повний текст джерелаАнотація:
Cloud computing has become a prominent paradigm to offer on-demand services for softwares, infrastructures and platforms. Cloud services are contracted by a service level agreement (SLA) between a cloud service provider (CSP) and a cloud service user (CSU) which contains service definitions, quality of service (QoS) parameters, guarantees and obligations. Cloud service providers mostly offer SLAs in descriptive format which is not directly consumable by a machine or a system. The SLA written in natural language may impede the utility of rapid elasticity in a cloud service. Manual management of SLAs with growing usage of cloud services can be a challenging, erroneous and tedious task especially for the CSUs acquiring multiple cloud services. The necessity of automating the complete SLA life cycle (which includes SLA description in machine readable format, negotiation, monitoring and management) becomes imminent due to complex requirements for the precise measurement of QoS parameters. Current approaches toward automating the complete SLA life cycle, lack in standardization, completeness and applicability to cloud services. Automation of different phases of the SLA life cycle (e.g. negotiation, monitoring and management) is dependent on the availability of a machine readable SLA.
In this work, a structural specification for the SLAs in cloud computing (S3LACC in short) is presented which is designed specifically for cloud services, covers complete SLA life cycle and conforms with the available standards. A time efficient SLA negotiation technique is accomplished (based on the S3LACC) for concurrently negotiating with multiple CSPs. After successful negotiation process, next leading task in the SLA life cycle is to monitor the cloud services for ensuring the quality of service according to the agreed SLA. A distributed monitoring approach for the cloud SLAs is presented, in this work, which is suitable for services being used at single or multiple locations. The proposed approach reduces the number of communications of SLA violations to a monitoring coordinator by eliminating the unnecessary communications. The presented work on the complete SLA life cycle automation is evaluated and validated with the help of use cases, experiments and simulations.
10
Navarro, Rosa Jennifer. "Framework for sustainability assessment of industrial processes with multi-scale technology at design level: microcapsules production process." Doctoral thesis, Universitat Rovira i Virgili, 2009. http://hdl.handle.net/10803/8572.
Повний текст джерелаАнотація:
In a world with limited resources and serious environmental, social and economical impacts, a more sustainable life style is everyday more important. Therefore, the general objective of this work is to develop a methodological procedure for eco-efficiency and sustainability assessment of industrial processes with multi-scale technology at design level. The methodology developed follows the ISO 14040 series for environmental LCA standard. To integrate the three pillars of sustainability the analytical hierarchical process was used. The results are represented in a triple bottom line framework. The methodology was applied to the case study "production of perfume-containing microcapsules" and different scenarios were assessed and compared. Several sustainability indicators were chosen to analyze the impacts. The results showed that this methodology can be used as a decision making tool for sustainability reporting. It can be applied to any process choosing in each case the corresponding set of inventory data and sustainability impact indicators.En un mundo con recursos limitados y graves impactos ambientales, sociales y económicos, un estilo de vida más sostenible es cada día más importante. Debido a esto, el objetivo general de este trabajo es desarrollar un procedimiento metodológico para evaluar eco-eficiencia y sostenibilidad de procesos industriales con tecnología multi-escala a nivel de diseño. La metodología desarrollada sigue la serie ISO 14040 para el medio ambiente. Se utilizó el proceso analítico jerárquico para integrar los tres pilares de sostenibilidad. Los resultados se presentan en un balance triple. La metodología se aplicó al caso de estudio "producción de micro-cápsulas que contienen perfume" y se analizaron y compararon diferentes escenarios. Se seleccionaron diversos indicadores de sostenibilidad para analizar los impactos. Los resultados demostraron que esta metodología puede ser utilizada como herramienta de toma de decisiones y que puede aplicarse a cualquier proceso seleccionando, en cada caso, los datos del inventario y los indicadores.
11
Munagala, Praveenkumar. "Fatigue life prediction of GFRP composite material at coupon and component level." Morgantown, W. Va. : [West Virginia University Libraries], 2005. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4437.
Повний текст джерелаАнотація:
Thesis (M.S.)--West Virginia University, 2005.Title from document title page. Document formatted into pages; contains xi, 101 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 84-89).
12
Rosado, Diaz Ivys J. "Leadership styles in life-threatening contexts| Exploring police officers' level of trust." Thesis, Capella University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3700853.
Повний текст джерелаАнотація:
This quantitative study was an exploration of police officers’ in Puerto Rico level of trust, perception of leadership style, and perceived leadership effectiveness in two different contexts, normal contexts and life-threatening contexts. Data were collected through a web-based system, SurveyMonkey®, where police officers from Puerto Rico completed an online survey. The survey instrument included the Leadership Style Survey by Dr. Peter Northouse, the Global Trust Scale by Dr. Jason Colquitt, and the Perception of Leadership Effectiveness Scale published in Psych Articles. The sample included 128 sworn, active duty police officers from Puerto Rico. The findings of this study revealed that demographics such as age, sex, and years on the force were not related to trust in the supervisor by the police officers. The study findings further revealed that police supervisors in Puerto Rico demonstrated an authoritarian leadership style in both normal contexts and life-threatening contexts. Multiple regression analysis showed that high levels of authoritarian leadership styles are related to high levels of trust. Although the study findings revealed that, overall, leaders’ skills were rated on the subscale as moderately bad, authoritarian leaders were also perceived as effective leaders in both normal contexts and life threatening contexts.
13
Butt, Ali Azhar. "Life Cycle Assessment of Asphalt Roads : Decision Support at the Project Level." Doctoral thesis, KTH, Väg- och banteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-156016.
Повний текст джерелаАнотація:
Transport infrastructures such as roads are assets for the society as they not only ensure mobility but also strengthen society’s economy. Considerable amount of energy and materials, that include bitumen, aggregates and asphalt, are required to build and maintain roads. Improper utilization of energy and/or use of materials may lead to more waste and higher costs. The impact on the environment cannot be neglected either. Life cycle assessment (LCA) as a method can be used to assess the environmental impacts of a road system over its entire life time. Studying the life cycle perspective of roads can help us improve the technology in order to achieve a system that has a lower impact on the environment. There are number of LCA tools available. However, implementation of such tools is still unseen in real road projects. This clearly indicates that there are gaps which are needed to be filled in order to bring these tools into practice. An open road LCA framework was developed for the asphalt roads in order to help in decision support at the late project planning stage such as that related to the green procurement. The framework takes into account the construction, maintenance and end of life phases and focuses on energy and greenhouse gas (GHG) emissions. Threshold values for the production of some additives were also determined to show how LCA tools can help material suppliers to improve the road materials production processes and the road authorities to set limits on the use of different materials based on the environmental criteria. Additive consideration and feedstock energy in road LCAs were also identified as gaps that were looked in detail. The attributes that are important to consider in an asphalt road LCA that seeks to serve as a decision support in a procurement situation are described. A brief literature review was carried out that focused on project LCAs, and specifically those considering pavements, as this level is assumed to be appropriate for questions relevant in a procurement situation. Following the different standards; road LCAs developed all over the world have generated a lot of knowledge and the studies have been different from each other such as in terms of goals and system boundaries. Hence, the patterns observed have been very different from study to study. It was also difficult to assess the decision support level for which the various LCA frameworks or tools were developed. It is important to define system boundaries based on where in the system the decision support is needed. For LCA to be useful for decision support in a procurement situation, it is important to have a clear understanding of the attributes that constitute the life cycle phases and how data of high quality for them are obtained. The level of consistency and transparency of road LCAs becomes increasingly important in pre-procurement and procurement situations. The key attributes used in a road LCA should mirror the material properties used in a pavement design and therefore be closely linked to the performance of the road in its life cycle. From the different case studies, it was found that asphalt production and transportation of materials are usually highest in the energy and GHG emissions chain. It is highly favorable to have the quarry site, the asphalt plant and the construction site not far from each other and to use the electricity that has been produced in an efficient way. Based on the laboratory test results, it is shown that the effects of chemical warm mix asphalt additives (WMAA)s must be evaluated on a case by case basis since WMAA interaction with the aggregate surface mineralogy appears to play a significant role and thus affects its long term structural behavior. Using the material properties obtained from the Superpave indirect tensile test (IDT) results, pavement thickness design was done in which Arlanda aggregate based asphalt mixtures resulted in thinner pavements as compared to Skärlunda aggregate based asphalt mixtures for the same design life period. Energy (feedstock and expended) saving and reduction in GHG emissions were also seen with addition of WMAA, for both aggregate type cases, based on the data used. Importantly, the results presented illustrate the importance of a systems based LCA approach for evaluating the sustainability for different design and construction options. In this context, having actual pavement material properties as the key attributes in the LCA enables a pavement focused assessment of environmental costs associated with different design options.QC 20141118
14
Supp, Sarah R. "Local and Regional Drivers of Biodiversity: From Life-History Traits to System-Level Properties." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/1503.
Повний текст джерелаАнотація:
Biodiversity research aims to understand and predict the occurrence, abundance, and distribution of species and the diversity of species traits, body sizes, and functional roles in a community. Ecologists lack a comprehensive understanding of the interplay between processes driving biodiversity at differing spatiotemporal scales, hindering the ability to predict response to change. A crucial challenge facing ecologists is to incorporate knowledge of the regional dynamics and temporal stability of communities in biodiversity research. This dissertation investigates the role that species traits and system-level properties play in determining biodiversity at local sites and evaluates biodiversity response to change.
Local and regional processes may regulate biodiversity via their different influences on core (common, temporally persistent) and transient (rare, temporally intermittent) species. In Chapter 2, we tested the hypothesis that core vs. transient species have fundamentally different life-history traits that are associated with survival strategies targeted at local vs. regional habitat use. Using long-term mark-recapture data from a rodent community, we found that core species generally had high ecological specialization, high survival, low dispersal rates, and low reproductive effort compared to transient species. Life-history trade-offs may correspond to differing roles in maintaining species richness and responses to environmental change.
Macroecology describes patterns of biodiversity in communities without respect to species identities or traits. Diversity patterns (i.e., species-abundance distribution-SAD, species-area relationship-SAR, species-time relationship-STR) are well-studied, but drivers of these patterns are poorly understood. In Chapter 3, we tested the hypothesis that local-scale interactions influence the form of SADs, SARs, and STRs using long-term data from annual plant communities. Our results suggest that patterns are directly influenced by system-level properties (species richness, total abundance) and respond indirectly to local-scale processes. In Chapter 4, we analyzed data from a global-span database and found the SAD and species richness generally resilient to environmental change.
This work suggests that local processes are important determinants of species composition and abundance and may set an upper limit to species richness, but that regional processes are responsible for maintaining richness and community structure. This insight may partially explain why many biodiversity metrics are often invariant under environmental change scenarios.
15
Reigle, Jennifer A. "Development of an integrated project-level pavement management model using risk analysis." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1634.
Повний текст джерелаАнотація:
Thesis (Ph. D.)--West Virginia University, 2000.Title from document title page. Document formatted into pages; contains xii, 210 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 205-209).
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King, Jeri Sue Tooker William Michael. "Analysis of intermediate level maintenance following F404-GE-400 engine component life reductions /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1993. http://handle.dtic.mil/100.2/ADA277918.
Повний текст джерелаАнотація:
Thesis (M.S. in Management) Naval Postgraduate School, December 1993.Thesis advisor(s): Kang, Keebom ; Adams, Rebecca J. "December 1993." Includes bibliographical references. Also available online.
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King, Jeri Sue, and William Michael Tooker. "Analysis of intermediate level maintenance following F404-GE-400 engine component life reductions." Thesis, Monterey, California. Naval Postgraduate School, 1993. http://hdl.handle.net/10945/39704.
Повний текст джерелаАнотація:
This thesis is an analysis of the effect that component life limit reductions of the F404-GE-400 engine have on AIMD Lemoore Power Plants Division operations. Estimations of fleet impact due to F404 component life limit reductions did not include the affe
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Tamssaouet, Ferhat. "Towards system-level prognostics : modeling, uncertainty propagation and system remaining useful life prediction." Thesis, Toulouse, INPT, 2020. http://www.theses.fr/2020INPT0079.
Повний текст джерелаАнотація:
Le pronostic est le processus de prédiction de la durée de vie résiduelle utile (RUL) des composants, sous-systèmes ou systèmes. Cependant, jusqu'à présent, le pronostic a souvent été abordé au niveau composant sans tenir compte des interactions entre les composants et l'impact de l'environnement, ce qui peut conduire à une mauvaise prédiction du temps de défaillance dans des systèmes complexes. Dans ce travail, une approche de pronostic au niveau du système est proposée. Cette approche est basée sur un nouveau cadre de modélisation : le modèle d'inopérabilité entrée-sortie (IIM), qui permet de prendre en compte les interactions entre les composants et les effets du profil de mission et peut être appliqué pour des systèmes hétérogènes. Ensuite, une nouvelle méthodologie en ligne pour l'estimation des paramètres (basée sur l'algorithme de la descente du gradient) et la prédiction du RUL au niveau système (SRUL) en utilisant les filtres particulaires (PF), a été proposée. En détail, l'état de santé des composants du système est estimé et prédit d'une manière probabiliste en utilisant les PF. En cas de divergence consécutive entre les estimations a priori et a posteriori de l'état de santé du système, la méthode d'estimation proposée est utilisée pour corriger et adapter les paramètres de l'IIM. Finalement, la méthodologie développée, a été appliquée sur un système industriel réaliste : le Tennessee Eastman Process, et a permis une prédiction du SRUL dans un temps de calcul raisonnablePrognostics is the process of predicting the remaining useful life (RUL) of components, subsystems, or systems. However, until now, the prognostics has often been approached from a component view without considering interactions between components and effects of the environment, leading to a misprediction of the complex systems failure time. In this work, a prognostics approach to system-level is proposed. This approach is based on a new modeling framework: the inoperability input-output model (IIM), which allows tackling the issue related to the interactions between components and the mission profile effects and can be applied for heterogeneous systems. Then, a new methodology for online joint system RUL (SRUL) prediction and model parameter estimation is developed based on particle filtering (PF) and gradient descent (GD). In detail, the state of health of system components is estimated and predicted in a probabilistic manner using PF. In the case of consecutive discrepancy between the prior and posterior estimates of the system health state, the proposed estimation method is used to correct and to adapt the IIM parameters. Finally, the developed methodology is verified on a realistic industrial system: The Tennessee Eastman Process. The obtained results highlighted its effectiveness in predicting the SRUL in reasonable computing time
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Leung, Kwai-ling. "Social service programme implementation case studies of the implementation of family life education at the district level /." Click to view the E-thesis via HKUTO, 1985. http://sunzi.lib.hku.hk/hkuto/record/B3197451X.
Повний текст джерела
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Liu, Yijuan. "A Comparison of Hemoglobin Zurich Erythrocytic Membrane Proteins & Identification of the Mutation at the DNA Level." TopSCHOLAR®, 1993. https://digitalcommons.wku.edu/theses/2534.
Повний текст джерелаАнотація:
Hemoglobin Zurich is a rare blood condition which causes severe rupturing of erythrocytes upon the administration of sulfonamides. Hemoglobin Zurich is caused by a specific genetic mutation in which there is a single amino acid (histidine) substituted for arginine at position 63 in the beta chain of hemoglobin molecules [β 63 Histidine --> Arginine].
In this study, the membrane proteins of Hemoglobin Zurich erythrocytes were compared to membrane proteins from normal human erythrocytes employing sodium dodecyl sulfatepolyacrylamide gel electrophoresis (SDS-PAGE) and visualized by periodic-acid Schiff (PAS) and DZANDU staining. No differences were detected employing these techniques.
DNA was isolated from leucocytes of a Hemoglobin Zurich individual, amplified and subsequently seque-Iced by the dideoxynucleotide method. The actual mutation was identified as a substitution of a G at base 188 of the coding region for an A.
21
Hanson, Gary L. "Spiritual awakenings, developing a higher level of spirituality in the congregation." Chicago, Ill : McCormick Theological Seminary, 1999. http://www.tren.com.
Повний текст джерела
22
Myers, Edwin J. "Fieldwork quality of life: addressing the Occupational Therapy Level II fieldwork student/supervisor relationship." Thesis, Boston University, 2014. https://hdl.handle.net/2144/11156.
Повний текст джерелаАнотація:
Thesis (O.T.D.)--Boston UniversityOccupational therapy Level II fieldwork (FW) students face contemporary stressors that may interfere with the learning process. Academic programs have a greater number of non-traditional students who must find a balance between academic, family and financial obligations. FW environments have become more stressful as increased productivity levels, shorter treatment durations, and budget cuts control clinic operations. These stressors may result in the FW student expressing higher degrees of anxiety and decreased confidence in performing entry-level skills at graduation. While physician and nursing professions have addressed best practices to manage clinical student stressors and training strategies for supervisors, a review of the occupational therapy (OT) literature reveals no study focusing on FW student well-being. This is surprising given the value that OT places on quality of life and establishing therapeutic relationships with our clients. This doctoral project describes a program directed to OT practitioners who have little or no experience in supervising OT Level II FW students. The program, given as a continuing education course, will provide the participants with training and tools to establish therapeutic relationships with their FW students. The program will use elements of the Intentional Relationship Model (Taylor, 2008) to educate the OT supervisor to use the therapeutic use of self (TUOS) to improve the quality of the student/supervisor relationship. The participants will also be introduced to the Fieldwork Quality of Life (FWQoL), a theoretical framework developed for this doctoral project, which will provide guidelines to assist the OT supervisor in determining if the FW student is having a positive FW experience. The program will use a small group format incorporating lecture, group discussions, video simulations, and provision of standardized questionnaires to assist the FW supervisor in monitoring the student's confidence and anxiety levels. A follow-up program, composed of volunteers from the program, will track their supervision of a FW student to determine program effectiveness.
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Cann, Sarah. "The politics of ethnic identity in everyday life at the local level in Croatia." Thesis, University of Edinburgh, 2007. http://hdl.handle.net/1842/29051.
Повний текст джерелаАнотація:
The starting point in this thesis is a reconsideration of the genre of literature on the break-up of the Socialist Federal Republic of Yugoslavia that seeks to explain the causes of conflicts. The point made is that this search for causality not only results in accounts that are ‘ethnographically thin’, but also constructing an account that focuses on only one movement in the everyday lives of persons in Croatia. Applying a concept of the everyday that allows for moments of conflict – as opposed to considering conflict as something separate – the argument this thesis makes is that there is the presence of an apparently repeated movement to the way objects of shared interest divide and come together. By employing concept of ‘scale’ [Strathern 1991] this thesis draws out ethnographically the movement surrounding objects of shared interest, through an account of the work that persons do on their family houses, as well as their work on documents, and gravestones. The point this ethnographic account makes is that these objects of shared interest gain this appearance of movement as a result of the debates that surround them. It also draws out how these objects of shared interest are not passive objects, but how they take on the role of actants [Latour 1997] by shaping the form that these debates take. It is only after having drawn out this movement that this thesis then turns to consider the concept of narodnost [ethnicity]. The argument made here is that there is a similar movement to the debates surrounding narodnost as there are to the movement of the debates that surround inherited family houses and documents. This thesis then compares the movement surrounding to the debates surrounding anthropological objects of shared interest, and the movement to the debates surrounding objects of interest for persons in Rijeka, Croatia.
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Kyle, Simon David. "Daytime functioning and quality of life in chronic insomnia : a multi-method, multi-level approach." Thesis, University of Glasgow, 2010. http://theses.gla.ac.uk/1971/.
Повний текст джерелаАнотація:
Insomnia disorder is characterised by difficulties with initiating and/or maintaining sleep. Similar to most psychiatric and mental health conditions, insomnia is defined according to subjective complaint, and achieves disorder ‘status’ when associated daytime functioning impairment is present. Yet, ironically, it is these two cornerstones of insomnia disorder, combined, that have achieved relatively minimal attention in the literature. That is, perhaps surprisingly, the subjective experience, and impact of insomnia, at least from the patient (‘expert’) perspective, has been under-researched. Night-time symptoms and sleep parameters have typically been the target of both treatment and non-treatment (clinical, epidemiological, mechanistic) research. In this thesis, a multi-method, multi-level approach is adopted to better understand the daytime experience of those with chronically disturbed sleep. First, a brief overview (chapter one) of insomnia is provided to familiarise the reader with the ‘problem of insomnia’. A narrative review (chapter two) then sets the scene in relation to the assessment and measurement of health-related quality of life (HRQoL) and daytime functioning. This work reveals several inadequacies and limitations of existing work, and outlines a prospective research agenda. Chapter three describes the first ever phenomenological study carried out in primary insomnia patients. Here, two qualitative methodologies, focus groups and audio-diaries, are combined to help better understand the proximal and distal impairments attributed to chronic sleep disturbance. Chapter four builds on this work by describing the creation of two new clinical scales, developed to quantify, in both valid and novel ways, the impact of poor sleep on aspects of daytime functioning and insomnia-related quality of life. Chapter five combines the aforementioned qualitative and questionnaire approaches to explore the experience of an effective behavioural intervention for insomnia, sleep restriction therapy (SRT). The application of these refined methods provided insight into the effects of SRT on both sleep and daytime functioning, but also permitted exploration of treatment-related issues - such as adherence, side-effects, and mechanisms of action - that have otherwise been difficult to probe using traditional quantitative methodologies. Chapter six tackles the issue of objective daytime impairment, typically assessed using computerised reaction time tasks. Through ‘mining’ an existing brain and behavioural database, and applying an algorithm to select poor and normal sleepers, it was possible to investigate cognitive functioning at two broad stages of processing – event-related potentials generated from the scalp-recorded electroencephalogram (EEG), and performance output using neuropsychological testing. The results provide some interesting hypotheses concerning possible cognition-arousal and -effort interactions. Importantly, as a by-product of this work, a methodological template for the future standardized assessment of brain and behavioural function in insomnia is considered. Finally, chapter seven synthesises the results of each preceding experimental chapter, with particular emphasis on how this work will advance research, measurement and understanding of insomnia-related functioning. Immediate clinical implications and relevance to other areas of insomnia research are also briefly considered.
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Woods-Johnson, Kelley J. "Reframing Responses to Workplace Stress: Exploring Entry-Level Residence Life Professionals' Experiences of Workplace Resilience." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/86212.
Повний текст джерелаАнотація:
The purpose of this phenomenological study was to understand entry-level, live-in residence life professionals' experiences of resilience in the workplace. Resilience is a multilevel, biopsychosocial construct that broadly refers one's ability to maintain or improve positive function in response to adversity (Cicchetti, 2010; Masten and Wright, 2010). Workplace resilience is specifically concerned with such adaptive processes and outcomes in response to job stress. Resilience research has been conducted primarily from a post-positivist, diagnostic perspective that has failed to give attention to the diverse experiences of resilience in different contexts. This study was conducted using a constructivist perspective to develop an understanding of workplace resilience in the unique context of live-in residence life work in institutions of higher education where job stress, burnout, and attrition occur at high rates. Ten participants were purposefully selected through expert referral for two 90-minute, in-depth interviews to discuss their history, experiences, and reflections regarding adversity and resilience in the workplace. Data were analyzed inductively to discover themes regarding resilience for residence life professionals. Findings illuminated participant experiences of workplace adversity and resilience, as well as participant beliefs about themselves and the nature and role of resilience in the workplace context. Discussion of findings resulted in four primary conclusions: (a) adversity and resilience coexist in balance with each other; (b) resilience can be learned, as well as lost; (c) resilience is personal and experienced uniquely by individuals; and (d) resilience is a systems issue that is promoted through partnership. Implications for future policy, practice, and research were discussed.Ph. D.
Entry-level residence life professionals living where they work experience high rates of job stress, burnout, and attrition. These individual concerns also create challenges for organizational effectiveness. Many studies have uncovered factors related to these issues, but few have considered what promotes perseverance in the face of such adversity. The purpose of this phenomenological study was to understand entry-level, live-in residence life professionals’ experiences of workplace resilience, a construct that broadly refers one’s ability to maintain or improve positive function in response to adversity in the workplace. This study was conducted with a constructivist approach to understand the individual experiences of diverse participants. Ten participants engaged in two individual 90-minute, indepth interviews to discuss their history, experiences, and reflections regarding adversity and resilience in the workplace. Data were analyzed inductively to discover themes regarding resilience for residence life professionals. Findings illuminated participant experiences of workplace adversity and resilience, as well as participant beliefs about themselves and the nature and role of resilience in the workplace context. Discussion of findings resulted in four primary conclusions: (a) adversity and resilience coexist in balance with each other; (b) resilience can be learned, as well as lost; (c) resilience is personal and experienced uniquely by individuals; and (d) resilience is a systems issue that is promoted through partnership. Implications of these findings suggest that individual and organizational outcomes of adversity and resilience are intertwined, and further understanding and promotion of workplace resilience in this setting could be mutually beneficial by contributing to improved employee wellbeing and performance.
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Marino, Lucas Charles. "Level of Repair Analysis for the Enhancement of Maintenance Resources in Vessel Life Cycle Sustainment." Thesis, The George Washington University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10785844.
Повний текст джерелаАнотація:
The United States Coast Guard does not adequately perform a Level of Repair Analysis and Business Case Analysis to align vessel maintenance requirements with available resources during the development of an Integrated Logistics Life Cycle Plan (ILSP) which leads to increased vessel sustainment costs and reduced workforce proficiency. The ILSP’s maintenance philosophy dictates the designed supportability and maintainability of a vessel throughout its life cycle yet existing ILSPs fail to prescribe the required balance of Coast Guard (internal employees) and non-Coast Guard (contracted) technicians for the execution of hull, mechanical, and electrical depot maintenance. This research develops a standard model to enhance the balance of maintenance resources using a Business Case Analysis (BCA) extension of a Level of Repair Analysis (LORA) informed by Activity-Based Costing Management (ABC/M) theory. These analyses are integral to a complete Life Cycle Cost Analysis (LCCA) and will contain a simplified LORA framework that provides an analysis of alternatives, a decision analysis, and a sensitivity analysis for the development of a maintenance philosophy. This repeatable analysis can be used by engineering managers to develop and sustain cost-effective maintenance plans through all phases of a vessel’s life cycle (acquisition, sustainment, and disposal).
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Marcenko, Maureen Olivia. "The influence of informal social support on coping, stress and life satisfaction in mothers of children with severe developmental disabilities /." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75843.
Повний текст джерелаАнотація:
The trend towards family care of children with developmental disabilities has lead us to examine ways to support families. One source of help primary caregivers have available to them is informal social support. Ninety mothers of children with severe developmental disabilities, residing in four Michigan counties (two urban and two rural) were interviewed face-to-face to determine the nature and extent of their informal social support systems. The types of support investigated were perceived, instrumental, emotional, informational and network. Data were analyzed using bivariate and multivariate techniques. The findings indicate that mothers are primarily responsible for the day-to-day care of their children. However, the help they do receive is important to them. Assistance proffered to mothers comes mostly from immediate family members. Although married and working women perceive greater support from some family members, when help with daily tasks was measured, these women did not actually receive any greater assistance. Multivariate analysis revealed that perceived informal social support was associated with better ability to cope and lower levels of stress. The influence of informal social support on life satisfaction was less certain. Ability to cope was significantly correlated with decreased stress and increased life satisfaction. None of the various types of informal support explained coping, stress or life satisfaction. However, emotional support turned out to be a proxy for emotional problems, and so it was associated with higher stress, and lower coping and life satisfaction. None of the other independent variables included in the model (severity of handicap, formal support or life stress) explained the variance in the dependent variables. When actual regression coefficients were examined, it was concluded that increasing the amount of social support to mothers is not a very efficacious approach to helping them reduce their stress and improve their copin
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Ligata, Haris. "Impact of system-level factors on planetary gear set behavior." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1172599656.
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Smith, Kasee L. "Coping Mechanisms and Level of Occupational Stress Among Agriculture Teachers and Other Teaching Populations." DigitalCommons@USU, 2012. https://digitalcommons.usu.edu/etd/1391.
Повний текст джерелаАнотація:
Research has shown that teaching is a highly stressful occupation. Teacher stress has negative impacts on classroom performance, job satisfaction, and teacher attrition. Prior research has been conducted into the causes and impacts of teacher stress; however, little research has been conducted to determine what role coping mechanisms for stress play in teacher stress. This study examined the levels of occupational stress and coping mechanisms utilized by Utah secondary agriculture and non-agriculture teachers. Upon identifying coping mechanisms teachers utilized, results were analyzed in relation to demographic characteristics to determine if significant correlations exist-ed. Agriculture teachers reported higher levels of stress than non-agriculture teachers, and stress came from different sources for the two teaching populations. Results also concluded that specific demographic characteristics showed preferences for utilizing specific coping mechanisms. Significant relationships existed between specific coping mechanisms and age, length of teaching career, and type of certification, and hours spent on teaching and teaching-related tasks.
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Obrovac, Sandqvist Stina, Julia Persson, and Linda Åberg. "The Effects of Technostress through Virtual Meetings on Employee-level." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-48237.
Повний текст джерелаАнотація:
The purpose of this thesis was to contribute with new information within the research area, due to the low amount of secondary research regarding it. This thesis was conducted with a desire to gather primary data contributing to deeper knowledge and understanding of the gap between virtual meetings and technostress in relation to work-life balance, psychological well-being, and effectiveness. In order to conduct this research, a research design was developed in accordance with the field of research chosen to further investigate. A descriptive design with a deductive quantitative approach and the usage of an online survey sent out to a sample, with 107 valid responses, has enabled the completion of this thesis. For the analysis of the primary data collected for this study, the tool SPSS was used in order to investigate the correlations. This research concludes that a majority of the hypotheses are accurate and that technostress, in these hypotheses, does impact employees through virtual meetings in a negative way. The respondents felt that virtual meetings do in fact decrease their ability to obtain a healthy work-life balance, psychological well-being, and an effective standard. Therefore, the conclusion becomes highly recognizable as it contributes to fulfilling the distinguished gap.
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Larkin, Katelyn. "Effects of polyploidy and reproductive mode on life history trait expression." Thesis, University of Iowa, 2015. https://ir.uiowa.edu/etd/1673.
Повний текст джерелаАнотація:
Although genomes are perhaps the single most important element of living systems, why they feature such striking variation and how this variation is maintained within and across natural populations remains unclear. One of the most common and important means by which genomic variation is generated is ploidy elevation. While polyploidy has been implicated in the remarkably successful radiations of angiosperms, teleost fish, and amphibians, the phenotypic consequences of changes in ploidy level are poorly understood, especially in animals. I use a large, multi-year common garden experiment to identify potential life history costs and benefits of polyploidy and asexual reproduction, a trait often associated with polyploidy, in Potamopyrgus antipodarum. This snail is well suited for studying ploidy variation and sex because diploid sexuals and triploid and tetraploid asexuals frequently coexist, allowing us to use comparisons of sexuals to asexuals and triploid to tetraploid asexuals to study both the effects of ploidy elevation and sex. I detected a strong negative correlation between growth rate and time to maturity and found that sexual P. antipodarum grew and matured significantly more slowly than the polyploid asexuals. Sexual P. antipodarum were also more likely to die before achieving reproductive maturity than their asexual counterparts. By contrast, there were no apparent life history differences between triploid and tetraploid asexuals, indicating that direct phenotypic benefits of ploidy elevation are unlikely to explain the relatively rapid growth and maturation of asexuals. My results suggest that ploidy elevation does not inevitably confer phenotypic consequences, that reproductive mode influences life history trait expression, and that sexual P. antipodarum persist in many natural populations in spite of substantial life history disadvantages.
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Jang, Tai Seung. "Specific bio-modeling and analysis techniques at cellular and systems level." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4350.
Повний текст джерелаАнотація:
Thesis (Ph. D.) University of Missouri-Columbia, 2006.The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 2, 2007) Includes bibliographical references.
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Díaz, Morales Juan Francisco, and Patricia Martínez. "Goals and satisfaction with life in Spanish and Peruvian adolescents according to sex and socioeconomic level." Pontificia Universidad Católica del Perú, 2013. http://repositorio.pucp.edu.pe/index/handle/123456789/102090.
Повний текст джерелаАнотація:
This study analyzes the kind of personal goals and life satisfaction levels amongst Spanish andPeruvian adolescents according to their sex and socioeconomic leve!. 389 Spanish and 285 Pe ruvian adolescents of both sexes from different socioeconomic leve! participated in this study. For the Spanish sample Palys and Little's (1983) Personal Goals Analysis and Andrews and Withey's (1976) D-T Scale (Delight-Terrible) were used; for the Peruvian sample the measure ment instruments were Nuttin's (1985) Motivational lnduction Method along with Pavot and Diener's (1993) Life Satisfaction Scale. Results show significant similarities in the goals des cribed by both samples, as well as sex differences and socioeconomic differences.El presente estudio analiza el tipo de metas personales y la satisfacción vital en adolescentes españoles y peruanos según sexo y nivel socioeconómico. Se trabajó con 389 adolescentes españoles y con 285 peruanos, de ambos sexos y de diferentes niveles socioeconómicos. Los instrumentos utilizados fueron el Análisis de Metas Personales de Palys y Little (1983) y la Escala D-T (Delight-Terrible) de Andrews y Withey (1976) para la muestra española, y el Método de Inducción Motivacional de Nuttin (1985) junto con la Escala de Satisfacción con la vida de Pavot y Diener (1993) para la muestra peruana, que aunque no son equivalentes, permiten una comparación general. Los resultados muestran importantes semejanzas en las metas descritas por los adolescentes de ambos estudios, así como en la influencia de la variable sexo. Las principales diferencias entre los adolescentes españoles y peruanos se encuentran en la variable nivel socioeconómico.
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Zeller, Vanessa. "Evaluating Environmental Impacts from Production and Consumption at Regional Level with Input-Output Life Cycle Assessment." Doctoral thesis, Universite Libre de Bruxelles, 2017. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/246450.
Повний текст джерелаАнотація:
The improvement of environmental impacts from production and consumption is an important sustainability target for Belgium, defined in federal and regional strategies for sustainable development. In order to monitor the implementation of sustainability targets a framework that can consistently link production and consumption and assess multiple environmental impacts such as climate change or resource use is needed. The most recognised method for the quantification of environmental impacts of product systems is life cycle assessment (LCA). Most LCAs focusing on production and consumption activities are carried out at national level. However, when regional differences in production and/or consumption structure exist, which is the case for Belgium, the use of more regionalised datasets and assessments seems more appropriate. This PhD thesis develops a multi-regional environmentally extended input-output model (EE-MRIOM) that can account for regional variation in production and consumption patterns and analyse environmental impacts of products from life cycle perspective. The model analysis three Belgian regions (Brussels, Flanders, Wallonia with a special focus on the latter) and their connections via trade flows with the rest of the world. The regional input-output tables (IOTs) of Belgium were linked to a global input-output database (EXIOBASE) and integrated into the LCA framework. The initial regional environmental data on major air emissions were extended by resource use and other emission data, so that a wide spectrum of potential environmental impacts can be analysed. The model represents all economic activities in 2003, 2007 and 2010 with a higher resolution in environmentally important sectors (e.g. energy, construction products, waste).The analysis of environmental impacts from production and consumption perspective confirms the relevance of the life cycle thinking approach, as, for example only 10 % of Walloon household environmental impacts are direct impacts and only 20 % of the Walloon production-related impacts occur on the regional territory. The results show that certain environmental impacts of production have decreased due to the economic crises and structural changes, while environmental impacts from household consumption have increased during the same period. Therefore, we conclude that only the joint improvement from production and consumption perspective will effectively reduce environmental impacts and particular efforts from the consumer side are needed. The regional comparison of impact intensities indicates significant regional variation for production, at economy scale, but also at product level. However, the results do not suggest a systematically lower or higher environmental impact intensity for a certain region. From the household consumption perspective, the results indicate low regional variation when comparing environmental impacts on a per habitant basis. Based on the results from the regional comparison of impact intensities, we conclude that there is no universal concept that could be transferred from one region to the other to improve environmental impacts. Instead, product-specific best cases at a regional scale must be identified in order to propose improvement options. For the Walloon region ‘priority products’, i.e. products or services that contribute significantly to a certain impact category in terms of total impact and impact intensities, are identified with the developed EE-MRIOM. Further model applications are demonstrated in this work such as comparative assessment within a priority sector, detailed sector analysis and scenario analysis to support the policy-making process. The developed model helps to identify most efficient measures to reduce environmental impacts from production and consumption perspective and suggests further methodological developments.Doctorat en Sciences
info:eu-repo/semantics/nonPublished
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Langenbrunner, Mary R., and Mary Ellen Cox. "Gender Differences Between Parents’ Perceived Level of Conflict at Time of Divorce." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etsu-works/3480.
Повний текст джерелаАнотація:
Do mothers and fathers view their conflicts similarly? In this workshop, presenters will discuss a 45-item questionnaire that was developed to assess parental perception of conflict at time of divorce. The Level of Conflict Assessment was administered to 484 individuals while attending a state mandated parenting seminar. Data analysis resulted in significant gender differences between mothers and fathers relative to their perceived level of conflict. This workshop will focus on those items where significant differences were found as well as the gender difference between spouses’ perception of level of conflict at time of divorce.
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Fowler, James R. "Physical Activity Level and Insulin Resistance in 6,500 NHANES Adults: The Role of Abdominal Obesity." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/9127.
Повний текст джерелаАнотація:
OBJECTIVE: This cross-sectional study investigated insulin resistance (IR) variation across physical activity (PA) levels in U.S. adults. METHODS: MET-minutes were utilized to quantify PA using 2 methods: 4 categories were based on relative MET-minutes, and 5 were based on U.S. PA guidelines. IR was indexed using the homeostatic model assessment (HOMA). Effect modification was tested by dividing waist circumferences into sex-specific quartiles, and then evaluating the relationship between PA and HOMA-IR within each quartile separately. RESULTS: Relative PA was associated with HOMA-IR after controlling for demographic and demographic and lifestyle covariates (F = 11.5, P < 0.0001 and F = 6.0, P = 0.0012, respectively). Adjusting for demographic and demographic and lifestyle covariates also revealed relationships between guideline-based PA and HOMA-IR (F = 8.0, P < 0.0001 and F = 4.9, P = 0.0017, respectively). Controlling for waist circumference with the other covariates nullified the relationship between PA and HOMA-IR. Effect modification testing showed that when the sample was delimited to adults with extra-large waists (Quartile 4), relative (F = 5.6, P = 0.0019), and guideline-based PA (F = 3.7, P = 0.0098) and HOMA-IR were related. PA and HOMA-IR were not related within the other quartiles. CONCLUSION: High levels of PA may play a meaningful role in glucose and insulin metabolism in those with abdominal obesity, but not in adults with smaller waists.
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Criddle, Monte N. "The Relationship Between Mandatory Divorce Education in Utah and the Level of Postdivorce Parental Conflict." DigitalCommons@USU, 1999. https://digitalcommons.usu.edu/etd/2721.
Повний текст джерелаАнотація:
The purpose of this study was to determine if there was an association between current level of conflict between divorced parents and their attendance or nonattendance at the divorce education pilot program. A telephone interview was used to examine current level of postdivorce conflict. The first portion of the telephone interview used questions that were taken from the Family of Origin Scale (FOS). Questions were selected as they related to various stages of divorce. The second portion of the questionnaire obtained sociodemographic data. as well as information regarding relitigation. The telephone interview was administered to 160 individuals who participated in the divorce education pilot program and to 59 individuals who did not participate.
Hypothesis one stated that attendance at the divorce education program will not be associated with the current level of postdivorce conflict. This hypothesis was rejected as a statistically significant association between postdivorce conflict and class attendance was demonstrated. Both males and females in the nonattendance group had higher mean conflict scores than the attendance group. Also, females in both groups had higher mean conflict scores than their male counterparts.
Hypothesis two stated that attendance at the divorce education program will not be associated with the number of custody and visitation legal issues since the initial custody arrangement. Hypothesis two was also rejected as attendance at the divorce education class was found to be weakly associated with whether a subject will return to court or not. A demographic summary for subjects returning to court was also created.
The need for continued research on postdivorce conflict was addressed. The theoretical implications of the study were highlighted. as well as other recommendations concerning the role of marriage and family therapists who work with families experiencing divorce.
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Berg, Jodi Leigh. "Purpose matters to leaders at a personal and company level." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1490470958463158.
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Stogner, Catherine DiNicolangelo. "The Relationship Between Grandparent Involvement and Identity Level in Late Adolescent Females." DigitalCommons@USU, 1993. https://digitalcommons.usu.edu/etd/2375.
Повний текст джерелаАнотація:
Identity development is recognized as the key developmental task of late adolescence . The family is thought to serve as a facilitating factor in this development. Traditionally, reference to the family's role in adolescent identity development has alluded to the nuclear family and to parents in particular. However, a growing consensus that nuclear families are not emotionally and psychologically isolated from extended families has permitted greater acceptance of the extended family, especially grandparents, as an integral part of the family . The purpose of this study is to examine the relationship between grandparent involvement and adolescent identity development. Identity development was measured by the Extended Objective Measure of Ego Identity Status, which is based on the four identity statuses (Achieved, Moratorium, Foreclosed, and Diffused). Grandparent involvement was measured quantitatively and qualitatively. A sample of 82 female participants in age group 18-20 was recruited from college freshmen enrolled in family and human development courses in the fall quarter 1991. The results indicate when considering grandparent involvement qualitatively, commitment within identity development appeared to be the most prevalent contributory factor while crisis (i.e., exploration) seemed to contribute when examining the quantity of the relationship. This would seem to indicate that the time adolescent grandchildren and grandparents spend together is affected to a large extent by whether the adolescent is in the process of exploring his identity while the adolescent's attitude about grandparents is more affected by commitment in her sense of identity.
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Rinke, Karsten. "Species-oriented model approaches to Daphnia spp.: linking the individual level to the population level." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2006. http://nbn-resolving.de/urn:nbn:de:swb:14-1146736164110-76933.
Повний текст джерелаАнотація:
Die Gattung Daphnia nimmt eine zentrale Position im pelagischen Nahrungsnetz vieler Standgewässern (Seen, Talsperren) ein. Aufgrund hoher Filtrierleistungen sind Daphnien für das integrierte Gewässermanagement, z.B. im Rahmen einer Nahrungskettenmanipulation (Biomanipulation), von großem Interesse. Ihre relativ einfache Kultivierbarkeit machte sie außerdem zu einen weit verbreiteten Modellorganismus limnologischer Grundlagenforschung. Das Ziel dieser Arbeit besteht darin, ein umfassendes Modellsystem für die Gattung Daphnia zu entwickeln, das wesentliche Kenntnisse der Ökologie von Daphnia miteinander verknüpft, um eine Vernetzung des Wissens zu realisieren. Bestehende Modellansätze konnten diese Aufgabe nur unzureichend erfüllen, weil sie in der Regel einem "Problem-orientierten Ansatz" folgen und somit sehr unterschiedliche inhaltliche Ausrichtungen und verschiedene Modellstrukturen aufweisen. Eine Kopplung bzw. ein direkter Vergleich dieser Modelle ist deshalb in der Regel schwierig. Dieses Modellsystem wurde entwickelt, um ein Instrument zur Synthese des vorhandenen Prozesswissens bereitzustellen, und nicht, um ein spezifisches, abgegrenztes Problem zu bearbeiten; es steht somit diametral zu existierenden Ansätzen. Aus diesem Grunde wird der gewählte Ansatz als ein "Spezies-orientierter Ansatz" bezeichnet. Drei Eigenschaften charakterisieren diesen Ansatz. (i) Das Modellsystem umfasst mehrere hierarchische Ebenen biologischer Organisation, wobei der Schwerpunkt auf den Ebenen des Individuums und der Population liegt. Interaktionen zwischen diesen Organisationsebenen sind ausgeprägt und in Feld- und Laborstudien gut belegt, in existierenden Modellen aber noch unzureichend miteinander verknüpft. (ii) Da eine quantitative Interpretation der Ergebnisse beabsichtigt ist, wurden die Modellausgaben einer umfangreichen Validation an unabhängigen und bereits publizierten Daten unterzogen. (iii) Das Modellsystem zeichnet sich durch einen geschachtelten Aufbau aus (nested design), wodurch eine einfache Erweiterbarkeit des Modells oder auch die separate Anwendung bestimmter Modellkomponenten gewährleistet istThe scope of this thesis was to develop a comprehensive model system of the genus Daphnia, a key organism in the pelagic food web of lakes and reservoirs and a widely used model organism in experimental and theoretical ecology. Although its central role in applied and basic research in aquatic ecology is obvious, there are still fundamental problems in modelling the observed dynamics of Daphnia (for details see chapter 2). Therefore, a basic motivation of this work was to use scientific results obtained in independently conducted research for developing a model that brings these results into context. Instead of following a "problem-oriented" paradigm applicable to a single, well defined problem or scientific hypothesis, the underlying concept of the emerging model system was considered to be "species-oriented". Thus, various relevant processes are included into the framework in order to simulate the dynamics of daphnids displayed on different levels of biological organization. To facilitate its application to various problems in ecological research on the genus Daphnia, the model system fulfills the following three important properties: (1) model outputs are thoroughly validated on experimental data in order to guarantee sound quantitative outputs of the model system (2) the system spans over different levels of biological organization with special emphasis laid upon the individual level and the population level (3) the model´s architecture follows a nested design with a defined individual level model that is integrated into a population level model The whole model system is able to describe an individual´s development over time on basis of physiological properties of the organism and, furthermore, how these individual level processes interact with the dynamics on the population level. Due to its nested design, applications of separate submodels (e.g. the individual-level model) are possible
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DeLaney, Rebecca. "Parent participation in district-level curriculum decision making : a year in the life of a school district /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/7740.
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Mahalik, Nitaigour Premchand. "A study on field-level components validation and life cycle data acquisition for distributed machine control systems." Thesis, De Montfort University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391547.
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Bernard, Andrea M. "Population Connectivity in the Ocean: A Genetic View of Upper Trophic Level Fishes Displaying Contrasting Life Histories." Thesis, NSUWorks, 2014. https://nsuworks.nova.edu/occ_stuetd/86.
Повний текст джерелаАнотація:
Discerning the extent and patterns of genetic connectivity and understanding population demographic processes is essential for framing proper management and conservation measures for species of concern. Although genetic connectivity may be influenced by numerous biotic and abiotic factors, habitat utilization and dispersal potential are often key factors driving connectivity, especially in marine fishes. While dispersal potential is of key importance with respect to shaping connectivity, other extrinsic (e.g., oceanographic processes) and intrinsic (e.g., reproductive behavior) factors may also influence connectivity; however, the relative influence of such factors is immensely variable across species and life-stages. This dissertation explores genetic connectivity and demographic history in marine fishes with diverse dispersal potentials to determine which processes, in addition to the known dispersal potential of the species, may be shaping connectivity. Genetic connectivity and demographic history is assessed for four marine fishes: two shark species with juxtaposing dispersal potentials, the highly migratory tiger shark (Galeocerdo cuvier) and the reef associated Caribbean reef shark (Carcharhinus perezi), which possess high and low dispersal potentials, respectively, and two teleost species, the pelagic roundscale spearfish (Tetrapturus georgii) and the Nassau grouper (Epinephelus striatus), which possess high and low adult dispersal potentials, respectively. This work demonstrates that dispersal potential does, in fact, play a key role in delineating genetic structure for these species; however, other factors, such as contemporary oceanographic currents (e.g., upwelling and temperature), habitat availability (e.g., coral cover), and historical events, such as cyclical glacial cycles, also influence genetic connectivity across variable spatial scales, thereby creating complex patterns of genetic population structure, requiring composite management strategies to ensure the persistence of these species.
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van, Diepen Cornelia. "Work-life conflict and self-rated health of Brazilian civil servants : Findings from the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil)." Thesis, Stockholms universitet, Centrum för forskning om ojämlikhet i hälsa (CHESS), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-105544.
Повний текст джерелаАнотація:
Abstract Objectives The relationship between work-life conflict and self-rated health is widely researched but whether the association differs according to educational level has received less attention. This study investigated the association of work-life conflict with self-rated health taking gender, education, working conditions and socio-demographic characteristics into account. Methods The cross-sectional data came from the ELSA-Brasil (2008-2010), a cohort study of civil servants 35-74 years old from six states of Brazil. Complete information was available for 12121 individuals (48% men). Work-life conflict was measured by four indicators representing different aspects, i.e. work-to-family time-based, work-to-family strain-based, family-to-work and lack of leisure time. Multiple logistic regression analyses stratified by gender and educational level were performed. Results More frequent work-life conflict was associated with poor self-rated health in all the indicators. The magnitude of association was greater for women and the same occurred with the higher educated respondents. An exception is in the family-to-work indicators where it affected lower educated women more than higher educated. Conclusions There is an association between work-life conflict and self-rated health and it differs according to work-life conflict indicator. Stratifying by gender and educational level presents an important addition to research in the field of work-life conflict.
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Mallory, Laurel J. "Identifying the Level of Prognostic Information Desired by People with Cancer." Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc30489/.
Повний текст джерелаАнотація:
The study explored whether certain factors might be used to distinguish between people with cancer who do or do not want detailed information about their disease progress, do or do not want to be informed if their disease is no longer considered curable, and who do or do not want an estimation of life expectancy if their disease is no longer considered curable. The factors included whether an individual has an internal versus external locus of control, uses an active coping strategy or a planning coping strategy, the level of spirituality, and age. Participants consisted of 51 people with cancer from a cancer center in the state of Washington. Results indicated that 98% wanted detailed information about their disease progress, 94% wanted to be informed if their disease was no longer considered curable, and 78% wanted an estimation of life expectancy if their disease was no longer considered curable. Due to the majority of the participants endorsing the need for prognostic information none of the factors (e.g. coping strategies, locus of control, spirituality) were able to predict the information needs of the patients with cancer. Clinical implications of this study suggest that physicians have an ongoing, open dialogue with their patients about their prognostic information needs. The dialogue might be especially important for patients undergoing active treatment for cancer, since it could affect treatment decisions.
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Rinke, Karsten. "Species-oriented model approaches to Daphnia spp.: linking the individual level to the population level." Doctoral thesis, Technische Universität Dresden, 2005. https://tud.qucosa.de/id/qucosa%3A24699.
Повний текст джерелаАнотація:
Die Gattung Daphnia nimmt eine zentrale Position im pelagischen Nahrungsnetz vieler Standgewässern (Seen, Talsperren) ein. Aufgrund hoher Filtrierleistungen sind Daphnien für das integrierte Gewässermanagement, z.B. im Rahmen einer Nahrungskettenmanipulation (Biomanipulation), von großem Interesse. Ihre relativ einfache Kultivierbarkeit machte sie außerdem zu einen weit verbreiteten Modellorganismus limnologischer Grundlagenforschung. Das Ziel dieser Arbeit besteht darin, ein umfassendes Modellsystem für die Gattung Daphnia zu entwickeln, das wesentliche Kenntnisse der Ökologie von Daphnia miteinander verknüpft, um eine Vernetzung des Wissens zu realisieren. Bestehende Modellansätze konnten diese Aufgabe nur unzureichend erfüllen, weil sie in der Regel einem "Problem-orientierten Ansatz" folgen und somit sehr unterschiedliche inhaltliche Ausrichtungen und verschiedene Modellstrukturen aufweisen. Eine Kopplung bzw. ein direkter Vergleich dieser Modelle ist deshalb in der Regel schwierig. Dieses Modellsystem wurde entwickelt, um ein Instrument zur Synthese des vorhandenen Prozesswissens bereitzustellen, und nicht, um ein spezifisches, abgegrenztes Problem zu bearbeiten; es steht somit diametral zu existierenden Ansätzen. Aus diesem Grunde wird der gewählte Ansatz als ein "Spezies-orientierter Ansatz" bezeichnet. Drei Eigenschaften charakterisieren diesen Ansatz. (i) Das Modellsystem umfasst mehrere hierarchische Ebenen biologischer Organisation, wobei der Schwerpunkt auf den Ebenen des Individuums und der Population liegt. Interaktionen zwischen diesen Organisationsebenen sind ausgeprägt und in Feld- und Laborstudien gut belegt, in existierenden Modellen aber noch unzureichend miteinander verknüpft. (ii) Da eine quantitative Interpretation der Ergebnisse beabsichtigt ist, wurden die Modellausgaben einer umfangreichen Validation an unabhängigen und bereits publizierten Daten unterzogen. (iii) Das Modellsystem zeichnet sich durch einen geschachtelten Aufbau aus (nested design), wodurch eine einfache Erweiterbarkeit des Modells oder auch die separate Anwendung bestimmter Modellkomponenten gewährleistet ist.The scope of this thesis was to develop a comprehensive model system of the genus Daphnia, a key organism in the pelagic food web of lakes and reservoirs and a widely used model organism in experimental and theoretical ecology. Although its central role in applied and basic research in aquatic ecology is obvious, there are still fundamental problems in modelling the observed dynamics of Daphnia (for details see chapter 2). Therefore, a basic motivation of this work was to use scientific results obtained in independently conducted research for developing a model that brings these results into context. Instead of following a "problem-oriented" paradigm applicable to a single, well defined problem or scientific hypothesis, the underlying concept of the emerging model system was considered to be "species-oriented". Thus, various relevant processes are included into the framework in order to simulate the dynamics of daphnids displayed on different levels of biological organization. To facilitate its application to various problems in ecological research on the genus Daphnia, the model system fulfills the following three important properties: (1) model outputs are thoroughly validated on experimental data in order to guarantee sound quantitative outputs of the model system (2) the system spans over different levels of biological organization with special emphasis laid upon the individual level and the population level (3) the model´s architecture follows a nested design with a defined individual level model that is integrated into a population level model The whole model system is able to describe an individual´s development over time on basis of physiological properties of the organism and, furthermore, how these individual level processes interact with the dynamics on the population level. Due to its nested design, applications of separate submodels (e.g. the individual-level model) are possible.
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Sorensen, Don Howard. "Preoperative Activity Level and Outcomes in Older Adult Cardiac Surgery Patients: A Pilot Study." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7363.
Повний текст джерелаАнотація:
ABSTRACTPreoperative Activity Level and Outcomes in Older <&hyphen>¨Adult Cardiac Surgery Patients: A Pilot StudyDon Howard Sorensen Jr.College of Nursing, BYUMaster of SciencePurpose: To assess the relationship between preoperative physical activity levels and health related quality of life on intra- and post-hospital outcomes following scheduled cardiothoracic surgery in older adults.Rationale/Background: Adults age 50 and older tend to accumulate more sedentary time and are less physically active. Sedentary behavior is linked with early morbidity and death and may predispose patients to postoperative complications. Preoperative activity levels and its relationship to surgical outcomes is an underexplored area. Insight on this topic could influence how to optimize interventions prior to surgery to improve outcomes. Methods: Seven participants were fitted with an ActiGraph GT3X+ accelerometer to measure preoperative activity levels for 1 week and complete the RAND Short Form-36 health-related quality of life tool. This process was then supposed to be repeated during the first and last weeks of cardiac rehabilitation (rehab). This information, along with demographics, was then correlated with information pulled from the Society of Thoracic Surgeons database on post-surgical outcomes and the 6-minute walk tests (6MWT) done during rehab. Results: The only statistically significant result was participants who experienced some type of intra-hospital complication also scored low in emotional wellbeing (r = -0.928, p = 0.003) as reflected in the quality of life score. Other findings with p values > 0.05 but <<> 0.1 were noted as <&hyphen>œareas needing further exploration.<&hyphen> Such areas for further exploration included: participants who spent more time in light physical activity reported less role limitations due to physical health (r = 0.864, p = 0.059), higher preoperative activity levels related to higher postoperative 6MWT (r = 0.830, p = 0.082), increased body mass index related to a decrease in postoperatively 6MWT (r = -0.869, p = 0.056). Implications: Exploring the relationship between preoperative activity levels and post-surgical outcomes could provide insight optimizing interventions before surgery to improve surgical success and rehab outcomes.
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Barlow, Kevin N. "Recidivism Rates of Level Six Residential Programs for Youthful Male Sexual Offenders: 1995-1996." DigitalCommons@USU, 1998. https://digitalcommons.usu.edu/etd/2579.
Повний текст джерелаАнотація:
The phenomenon of youthful sexual offending has received increased attention in recent years in the state of Utah. As a result. programs have been developed to treat the sexual offender within residential treatment centers. However. the efficacy of these programs had not been examined prior to the initiation of this project. The success of the programs has been assessed by examining recidivistic activity as measured by post-treatment criminal histories. The results of this study indicate that the sample of clients departing from treatment in Utah in the year 1995 has a recidivism rate of93.2% for sexual criminal behavior, as of December 1996. Additionally, the recidivism rate of nonsexual criminal activity demonstrated by the sample was 63.6% at the same follow-up. This study demonstrates that those subjects who are able to successfully complete treatment before their departure from the programs have lower recidivism rates. Additionally, the participation by the family both during the treatment process. specifically their involvement in collateral therapy, and after treatment. by having the youth return to the family, correlated with subjects not relapsing into recidivistic activity. This information is important for treatment planning. for legislative planning. and for the continued study or the phenomenon of youthful sexual offending.
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Price, Jennifer Bryson. "Neurochemical Levels Correlate with Population Level Differences in Social Structure and Individual Behavior in the Polyphenic Spider, Anelosimus studiosus." Digital Commons @ East Tennessee State University, 2010. https://dc.etsu.edu/etd/1760.
Повний текст джерелаАнотація:
Anelosimus studiosus is a socially polyphenic spider. Individuals can be classified as social/tolerant or solitary/aggressive. These behavioral differences are associated with considerable variation in social structure. Here, we begin to examine the physiological differences that may underlie the behavioral dimorphism in this species and possible implications for the evolution of sociality. Octopamine is a neurotransmitter that has been found to elevate aggression in invertebrates. Serotonin has been shown, in some cases, to interact antagonistically with octopamine. We used High Pressure Liquid Chromatography with Electrochemical Detection to quantify levels of these neurochemicals among adult females from social (multi-female) and solitary (single-female) webs in east Tennessee. A subset of spiders was scored for individual social tendency. We found that higher octopamine levels are associated with a greater degree of aggression and intolerance, both at the individual level and the population level, while higher levels of serotonin are found in multi-female colonies and social individuals.
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Calhoun, Kenneth. "Counselor Effectiveness and Correlations With Select Demographic Variables for Masters Level Counseling Students." Thesis, University of North Texas, 1999. https://digital.library.unt.edu/ark:/67531/metadc2280/.
Повний текст джерелаАнотація:
Counselor education programs are charged with the responsibility to train students to be effective counselors. Despite relative consistency in academic and clinical experiences, some students are less effective than others. It was the intent of this research to investigate possible relationships which may exist between students' background and experiences and their levels of demonstrated counselor effectiveness as measured by the Counselor Rating Form - Short Version (CRF-S) and the Supervisor Rated-Counselor Interaction Analysis (SR-CIA). It was hypothesized that counselor effectiveness would be negatively correlated with prior teaching experience and level of religious participation. Data was collected using a demographic survey from masters level counseling students participating in their practicum semester. Counseling tapes from each of the participants were collected towards the end of the semester. These tapes were then rated by doctoral students using the CRF-S and the SR-CIA. The total sample size was 28. Regression analysis was used to investigate the hypotheses. Three models were constructed. The dependent variables used were scores from the CRF-S, the SR-CIA and a third comprised of a normalized composite of CRF-S and SR-CIA termed COMPOSITE. Each model used, as the independent variables, years of teaching experience, and hours of religious participation. Results from regression analysis suggested that a negative correlation existed between counseling effectiveness and years of teaching experience and a positive correlation between counselor effectiveness and hours of religious participation. Statistically significant results were not achieved for any of the models tested. Further investigation was conducted using effect size analysis. Small to medium effect sizes were achieved, however, suggesting that the models were detecting a negative correlation between counselor effectiveness and years of teaching experience, and a positive correlation between hours of religious participation and counselor effectiveness.