To see the other types of publications on this topic, follow the link: Labor and the aging process.
Dissertations / Theses on the topic 'Labor and the aging process'
Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles
Consult the top 50 dissertations / theses for your research on the topic 'Labor and the aging process.'
Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.
You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.
Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.
1
Lahey, Joanna. "Aging and the labor market." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/32405.
Full textAbstract:
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Economics, 2005.<br>"June 2005." Page 111 blank.<br>Includes bibliographical references.<br>This thesis is a collection of three essays analyzing the interplay between aging and the labor market. The first chapter demonstrates that differential treatment by age exists in labor markets and explores different possible explanations for this differential treatment. As the baby boom cohort reaches retirement age, demographic pressures on public programs such as social security may cause policy makers to cut benefits and encourage work at later ages. This chapter reports on a labor market experiment to determine the hiring conditions for older women in entry-level jobs in Boston, MA and St. Petersburg, FL. I find differential interviewing by age for these jobs. A younger worker is more than 40% more likely to be offered an interview than an older worker. I find no evidence to support taste-based discrimination as a reason for this differential and some evidence to support statistical discrimination. The second chapter examines more closely one of the possible reason for this differential treatment. Older workers may cost employers more in terms of potential age discrimination lawsuits. I study the effects of state and federal age discrimination laws between 1968 and 1991. Prior to the enforcement of the federal law, state laws had little effect on older workers, suggesting that firms either knew little about these laws or did not see them as a threat. After the enforcement of the federal Age Discrimination in Employment Act (ADEA) in 1979, white male workers over the age of 50 in states with age discrimination laws work fewer weeks per year and are less likely to be hired or separated from their jobs, but are more likely to be retired (perhaps involuntarily).<br>(cont.) These findings suggest a story in which firms do not wish to hire older workers, are afraid to fire older workers, and remove older workers through strong incentives to retire in states where lawsuits are less of a hurdle for the worker. The third paper, co-authored with Melissa Boyle, explores the relationship between health insurance coverage and labor market efficiencies termed "job-lock." We exploit an insurance option which is bth truly exogenous to work decisions, and of lasting duration. A major expansion in both the services provided and the population covered by the Department of Veterans Affairs health care system allows us to both cleanly estimate the extent of job-lock, and also to study the impact of publicly provided health care on labor supply. Using data from the Current Population Survey, we examine the impact of health care coverage on labor force participation and retirement by comparing veterans and non-veterans before and after the VA expansion. Results indicate that workers are significantly more likely to cease working as a result of becoming eligible for public insurance, and are also more likely to move to part-time work.<br>by Joanna Nicole Lahey.<br>Ph.D.
2
Kliegl, Reinhold, Ulrich Mayr, and R. T. Krampe. "Process dissociations in cognitive aging." Universität Potsdam, 1995. http://opus.kobv.de/ubp/volltexte/2010/4042/.
Full textAbstract:
One undisputed finding of cognitive aging research is that the two main clusters of intellectual abilities, fluid and crystallized abilities, exhibit differential age-related trends. Healthy older adults perform less well than young adults on almost any task that requires fast responses or taps the fluid or mechanical aspects of intelligence; they show much less of a decline, if any at all, in tasks requiring the access of their crystallized knowledge (Baltes, 1987; Horn, 1970). These age-differential trends are the prototype of what we will refer to as a process dissociation. We will show how process dissociations can be established within the domain of fluid intelligence that pass more stringent tests than is customary in experimental research on cognitive aging.
3
Jager, Eryn Nichole. "Self Perceptions of Aging: Women's Views of The Aging Process." Thesis, North Dakota State University, 2014. https://hdl.handle.net/10365/27597.
Full textAbstract:
Society has generally taught women in a rather subliminal way they should remain
young, thin, and beautiful (Horton, Baker, Cote, & Deakin, 2008; Mock & Eibach, 2011; Stark-
Wroblewski, Edelbaum, & Bello, 2008). As the number of older adults increase, the driving
forces that determine self-perceptions of aging are essential. Using a hierarchical regression
analysis, the current study examined self-perceptions of aging among older adult women. For the
study, 102 females (age 60 and older) in the Red River Valley area completed a survey on selfperceptions
of aging. Sense of mastery was significantly related to negative self-perceptions of
aging. The findings demonstrate that one?s self-worth and ability to do things without needing
help may play an important role in how an aging woman feels about herself and her own aging
process.
4
Rabesandratana, Paul Eliot. "Health spending and labor productivity in an aging economy." Thesis, Lille 1, 2015. http://www.theses.fr/2015LIL12021/document.
Full textAbstract:
La population française vieillit et continuera de vieillir dans l'avenir. Les conséquences négatives de cette mutation démographique sur l'économie sont bien connues. Cependant, l'ampleur de ces conséquences dépendra entre autre de l'évolution de la productivité du travail. Afin d'analyser l'évolution future de la productivité du travail en France, cette thèse s'est focalisée sur le rôle des dépenses de santé dans l'économie. En effet, d'un côté, les dépenses de santé, en améliorant la santé de la population, accroissent la productivité du travail. D'un autre côté, elles favorisent le vieillissement de la population en allongeant son espérance de vie. Ainsi, cette thèse vise à vérifier si les gains de productivité générés par les dépenses de santé sont suffisants pour annihiler les effets négatifs du vieillissement de la population. Nous démontrons théoriquement que les dépenses de santé privées génèrent une externalité positive améliorant l'efficacité du travail et par voie de conséquence la productivité du travail (Chapitre I). Cependant, nos résultats empiriques soulignent que cet effet positif n'est pas significatif dès lors que nous considérons les dépenses de santé qui restent à la charge des patients (Chapitre II). Les gains de productivité permis par l'amélioration future de la santé des français sont ensuite mesurés grâce à un modèle de comptabilité générationnelle. Les gains de productivité apparaissent non négligeables mais insuffisants pour annihiler les effets négatifs du vieillissement démographique (Chapitre III). Ce constat est confirmé par les résultats fournis par notre modèle d'équilibre général (Chapitre IV)<br>French population is aging and this demographic mutation should also occur in the coming decades. The negative economic effects of population aging are well-known but the magnitude of these effects depends partially on the evolution of labor productivity. To determine the evolution of labor productivity in France, this dissertation focuses on the economic effects of health spending. Indeed, on one side, health spending, by improving population’s health status, affect positively labor productivity. On the other side, these health expenditures foster the aging process by extending population longevity. This dissertation aims then to check if productivity gains from health spending are enough to annihilate the negative economic effects of population aging. We demonstrate theoretically that private health spending generate a positive externality affecting positively labor productivity (Chapter I). However, our empirical results underline that this positive effect is limited when we consider the out-of-pocket expenditure on health (Chapter II). Thereafter, we assess the productivity gains resulting from the health status enhancement of French population by using a generational accounting model. It appears that the productivity gains should be significant but not enough to annihilate the negative economic effects of population aging (Chapter III). The simulation outcomes provided by our applied general equilibrium model confirm this result (Chapter IV)
5
Dikhtyar, Oksana A. "Determinants of Russian Women's Labor Force Participation at or after State Pension Age." Miami University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=miami1626456584700884.
Full text
6
POSCH, Johanna Laurentia. "Essays in labour economics." Doctoral thesis, European University Institute, 2019. http://hdl.handle.net/1814/61308.
Full textAbstract:
Defence date: 21 February 2019<br>Examining Board:
Prof. Andrea Ichino, European University Institute (Supervisor);
Prof. Andrea Mattozzi, European University Institute;
Prof. Andreas Steinhauer, The University of Edinburgh;
Prof. Josef Zweimüller, University of Zuric<br>The elderly are an ever-growing group of the population of western countries. Increasing their low employment rates is one of the greatest challenges we face in labour market policy today and is the subject of the first chapter of this thesis. I evaluate the labour market effects of partial retirement - that is a scheme that subsidises part-time work for older workers. It was introduced as an attempt to extend working lives by incentivising part-time employment after a certain age. I find that this policy had overwhelmingly negative effects on old-age labour supply as most workers substituted full-time work with part-time work in partial retirement without actually extending their active lives. Chapter 2 of this thesis is a reflection on the labour market situation of young workers with parental backgrounds that make it difficult for them to achieve their potential. When and where they are held back and whether an open labour market can compensate for this disadvantage is the subject of this chapter. I find that after entering the labour force, workers from disadvantaged backgrounds ”catch-up” in terms of wages with respect to their privileged peers with the same educational achievement. I explain this phenomenon in a setup of education signalling with noise and subsequent employer learning. In the third chapter my co-authors and I focus on the consequences of national wage setting mechanisms in countries with large geographic differences in labour productivity. We confront Germany with relatively flexible wage bargaining mechanisms and Italy with very rigid ones. We find that given the large productivity differences in both countries, Italy’s highly centralised bargaining system generates significant inefficiencies and high costs in terms of aggregate earnings and employment particularly in the South.
7
Grigor, Charles Miller. "Suspension in the disciplinary process." Thesis, Nelson Mandela Metropolitan University, 2013. http://hdl.handle.net/10948/d1020966.
Full textAbstract:
Employers often wrestle with whether or not to suspend an employee and the issue is what needs to be done before an employee could be suspended. Suspending an employee means to deprive him or her from entering the work place for a period of time, due to alleged misconduct which, due to the nature of the alleged misconduct and in the opinion of the employer, warrants the employee not to be in or near the workplace. Section 23 of the Constitution of the Republic of South Africa, affords every employee the right to fair labour practices and this right should be affected by the Labour Relations Act, 1995 (LRA). Unfortunately the LRA only deals with the unfair suspension under the definition of an unfair labour practice in section 186(2) by stating that the meaning of unfair labour practice is any act or omission that arises between an employer and an employee involving the unfair suspension of an employee or any other unfair disciplinary action short of dismissal in respect of an employee. The focus of this document thus is to scrutinise the lack of legislative guidelines relating to the procedural fairness of suspension of employees. It would thus necessitate an overview of the nature of suspension which would be discussed in length by way of referring to the right to suspend an employee as well as the application of the courts in such cases, the distinction between suspension as a preventative, or as a punitive measure and the possibility of suspension resulting in an unfair labour practice. The distinction between preventative and punitive suspensions are highlighted. Since it is not clear when, how and for how long an employee may be suspended, in the absence of clear guidelines, employers have to turn to the courts’ interpretation to get the necessary guidance on the application of a suspension. In order to ensure that the employer, experiencing unnecessary difficulty with the implementation of procedural fairness of suspensions, in a meaningful way, be assisted by the proposal that legislature consider to address this by including clear guidelines under Item 3 of Schedule 8 of the LRA.
8
Patsdaughter, Carol A. "The mother-daughter relationship in menopause and the aging process /." Thesis, Connect to this title online; UW restricted, 1989. http://hdl.handle.net/1773/7208.
Full text
9
Morr, Rosey. "Age Discrimination| Prejudice Suppression in the Selection Process." Thesis, Southern Illinois University at Edwardsville, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1590420.
Full textAbstract:
<p> The purpose of the present stud is to focus on applying two theoretical models, the justification-suppression model and the role congruity theory, to age discrimination in selection occupational decision-making. Participants from varying age demographics evaluated either stereotype-confirming or stereotype-disconfirming Facebook interests of candidates who are applying for a fictitious job opening. The results supported the role congruity theory in that candidates were rated lower on likability ratings when their Facebook interests were congruent with the stereotypical interests of the candidates’ respective age groups. However, there were no significant differences supporting the justification-suppression model in that perceptions of candidates did not differ in hirability ratings, regardless of their observable Facebook interests. However, the hirability ratings overall decreased after participants viewed Facebook profiles, regardless of the congruence of interests to their stereotypical interests. These results suggest that the presence of Facebook profiles as well as displaying atypical interests regarding respective age groups can result in negative perceptions of likeability or hirability ratings.</p>
10
Nyland, Chris. "Worktime and the rationalisation of the capitalist production process /." Title page, contents and abstract only, 1985. http://web4.library.adelaide.edu.au/theses/09PH/09phn995.pdf.
Full text
11
Shah, Nimay Shamik. "Built-in proactive tuning for circuit aging and process variation resilience." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2891.
Full text
12
Costa, A. S. "GENETIC STUDY OF BIOMARKERS INVOLVED IN THE PROCESS OF AGING NEURODEGENERATION." Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/357651.
Full textAbstract:
Synaptosomal-associated protein of 25kDa (SNAP-25) is an age-regulated vesicular SNARE protein involved in the exocytosis of neurotransmitters from synapses, a process that is altered in Alzheimer’s disease (AD). Changes in SNAP-25 levels are suggested to contribute to age-related decline of cognitive function, and single nucleotide polymorphisms (SNPs) in the SNAP-25 gene are present in neuropsychiatric conditions and play a role in determining IQ phenotypes. To verify a possible role of SNAP-25 in AD we analyzed five gene polymorphisms in patients with AD (N=607), replicating the study in subjects with amnestic mild cognitive impairment (aMCI)(N=154) and in two groups of age-matched healthy controls (HC1: N=615 and HC2: N=310). Results showed that the intronic rs363050(A) and rs363043(T) alleles, as well as the rs363050/rs363043 A-T haplotype are significantly more frequent in both AD and aMCI. Further analyses indicated that these alleles and haplotype are associated with pathological scores of categorical fluency in AD alone. Finally, SNAP-25 genotypes correlated with a significantly decreased brain activity in the cingulate cortex and in the frontal (middle and superior gyri) and the temporo- parietal (angular gyrus) area, as measured by fMRI. SNAP-25 polymorphisms are associated with AD and correlate with alterations in categorical fluency and a reduced localized brain activity. In conclusion SNAP-25 polymorphisms could be suggested as surrogate markers for the diagnosis of AD and of cognitive deficit; these SNPs might also have a possible predictive role in the natural history of AD. Moreover we investigated a possible correlations between APOE4 and SNAP-25 polymorphisms and the outcome of a multidimensional cognitive, behavioral and functional stimulation (MST). Fifty-eight individuals with mild-to-moderate AD underwent MST for 10 weeks. Mini Mental Scale Evaluation (MMSE), Functional Living Skills Assessment (FLSA) and Neuropsychiatric Inventory scale (NPI) were performed at baseline and after therapy. Molecular genotyping of ApoE4 and SNAP-25 SNPs were correlated with ΔMMSE, ΔNPI and ΔFLSA scores by multinomial logistic regression analysis. Results shown higher overall MMSE scores after rehabilitation in ApoE4 negative compared to ApoE4 positive patients, whereas the SNAP-25 rs363050(G) and rs363039(A) alleles correlated specifically with significant improvements in behavioural parameters after MST. Haplotype analysis of rs363050, rs363039 and rs363043 SNAP-25 SNPs showed the presence of a significant association between SNAP-25 haplotypes and lower ΔNPI. In particular the rs363050(G)-rs363039(A)-rs363043(C): (GAC) haplotype was statistically associated with a better outcome of treatment as measured by the NPI scale. In conclusion polymorphisms in genes known to modulate neural plasticity may predict the outcome of a multistructured rehabilitation protocol in AD.
13
Mueller, Krysti. "Biases in the Selection Process Against Applicants with Tattoos." Thesis, Southern Illinois University at Edwardsville, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10274382.
Full textAbstract:
<p> This study examined the influences of tattoos on hirability and salary recommendations in the workplace. The study aimed to find whether educating participants about Title VII cases would moderate the relationship between type of tattoo and hiring recommendations as well as type of tattoo and salary recommendations. This study did not find any significant main effects of tattoos on hirability or salary.</p>
14
MORANI, CARLA DO NASCIMENTO SANTOS. "THE INTERNSHIP SUPERVISION AND THE LABOR PROCESS OF SOCIAL WORKERS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=37141@1.
Full textAbstract:
PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>Este estudo tem como objetivo analisar a supervisão de estágio como parte integrante do processo de trabalho do assistente social na contemporaneidade. Para tanto, foram levadas em conta as transformações que vêm ocorrendo no mundo do trabalho e os impactos que estas vêm trazendo para a profissão, tanto no sentido da formação como no da atuação dos assistentes sociais, bem como
suas implicações para a efetivação do Projeto Ético-Político da profissão. Assim, constituem-se como elementos norteadores desta pesquisa o conhecimento e a reflexão sobre o papel da supervisão no processo de trabalho do assistente social, bem como sobre as formas de enfrentamento aos desafios impostos aos cursos de Serviço Social no que se refere à supervisão de estágio supervisionado. Por outro
lado, observou-se que a supervisão e o estágio vêm recebendo impactos similares aos sofridos pela profissão em virtude das mudanças no mundo do trabalho. Especificamente, buscou-se conhecer de que forma as instituições campo de estágio do curso de Serviço Social da PUC-Rio vêm tratando a mediação entre a teoria e a prática e a política de estágio adotada pelo curso, no período 2009.1, traçando-se um perfil dos assistentes sociais supervisores de estágio. Ademais, foi necessário identificar o entendimento acerca da temática processo de trabalho, de forma a ser possível compreender como a dimensão ético-política da profissão ganha expressão no processo de supervisão e, também, de forma a contribuir para
a construção de estratégias que busquem a efetivação do estágio e da supervisão nos moldes defendidos pelas diretrizes curriculares da Associação Brasileira de Ensino e Pesquisa em Serviço Social (ABEPSS). A metodologia utilizada foi a quali-quantitativa, que se compôs de estudos sobre o projeto político-pedagógico do curso de Serviço Social da PUC-Rio, além de outros documentos, bem como de entrevistas semi-estruturadas com supervisores das unidades campo de estágio.<br>This study has as its objective to analyze the internship supervision as an integrant part of the labor process of the social assistant nowadays. To achieve this we took in consideration the transformations that are occurring in the world of the work and its consequences for the Social Work as much as in the sense of the graduation of social workers as in the sense of the performance of these professionals.Thus the comprehension and the reflection about de internship supervision and the challenges that the Social Work faces nowadays are central aspects of this study. On the other hand, it was possible to observe that the
internship and its supervision are suffering similar impacts of those suffered by the Social Work in reason of the transformations that are occurring in world of work. Specifically we sought to know how the training fields of the PUC-Rio Social Work course are addressing the question of the mediation between theory
and practical application in the context of the internship policy adopted in the first semester of the year 2009. Therefore we traced profiles of the internship supervisors and it was also necessary to identify the comprehension about the theme labor process. That was accomplished in such way that was possible to
understand how the ethical-political dimension of the profession is expressed in the supervision process and also as a contribution for the construction of new strategies in the direction pointed out by the curricular directives of the Associação Brasileira de Ensino e Pesquisa em Serviço Social (ABEPSS). The
methodology was qualitative and quantitative and we used interviews as well as documental analysis.
15
Chau, Samantha Le. "Examining the Emotional Labor Process: A Moderated Model of Emotional Labor and Its Effects on Job Performance." University of Akron / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=akron1183057863.
Full text
16
Widjaja, Muliadi. "Designing pension programs to strengthen formal labor markets in developing countries the case of Indonesia /." unrestricted, 2007. http://etd.gsu.edu/theses/available/etd-11292007-165439/.
Full textAbstract:
Thesis (Ph. D.)--Georgia State University, 2007.<br>Title from file title page. James R. Alm, committee chair; Sally Wallace, Erdal Tekin, David P. Richardson, Jorge L. Martinez-Vazquez, committee members. Electronic text (144 p.) : digital, PDF file. Description based on contents viewed June 11, 2008. Includes bibliographical references (p. 137-143).
17
Fajardo, Mori Martín. "The Presumption of Labor in the New Labor Procedure Law." Derecho & Sociedad, 2017. http://repositorio.pucp.edu.pe/index/handle/123456789/118189.
Full textAbstract:
This article focuses on the analysis and use of the institutions that are used in the new work process in order to give effective protection to workers in a process who were imposes a minimum duty of proof, and in turn, serve to combat fraud in hiring.<br>El presente artículo se enfoca en el análisis y usos de las instituciones que se utilizan en el nuevo proceso laboral con el fin de dar un tutela efectiva a aquellos trabajadores dentro de un proceso a quienes se les impone un deber mínimo de probanza, y, a su vez, sirva para combatir el fraude en la contratación laboral.
18
Yang, Kung Chi. "The aging process of sapwood ray parenchyma cells in four woody species." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/31096.
Full textAbstract:
Aging of ray parenchyma cells from the young sap-wood to recently formed heartwood was studied in single stems of Pinus banksiana Lamb., Picea mariana (Mill.) B.S.P., Abies balsamea (L.) Mill, and Populus tremuloides Michx. Season, radial location of cell within sapwood, and cell location vertically within a ray at a given radius were considered as factors which might influence the aging process. A 12 mm increment core was extracted at breast height, from the north aspect of a tree of each species in May and July for moisture content determination. Another set of cores from the south aspect of the same trees was collected in May, June, July, August, October, and November or December. These cores were used to investigate the physiological and cytological properties of living sapwood ray parenchyma cells. Qualitative and quantitative observations were made of the status of ray cells both with light and transmission electron microscopy in order to draw inferences concerning the sapwood/heartwood transformation from the aging of sapwood ray parenchyma cells.
The sapwood moisture content of the three conifers studied was higher than that of heartwood, whereas in Populus
tremuloides it was lower than that of heartwood. The sapwood moisture content in May was consistently greater than in July.
Vitality of the sapwood ray parenchyma cells expressed by a new nuclear elongation index decreased from the outer sapwood towards the heartwood. The survival rate of the cells decreased curvilinearly from the middle sapwood towards the heartwood. At a given sapwood increment, a greater percentage of dead ray parenchyma cells was found among the marginal cells than among the central cells of a ray. No statistically significant difference was found between the vitality of the marginal and central cells, nor between any two contiguous sampling periods with exceptions in Pinus banksiana and Picea mariana between two contiguous sampling periods from July to December.
No typical pattern for the distribution of lipid content was found. The pattern of starch distribution displayed significant species, radial, vertical and seasonal variation and showed two general patterns across the sapwood. Pattern A described a decreasing trend from the outer sapwood towards the inner sapwood. Pattern B was characterized by a relatively low starch content both in the outer as well as the inner sapwood. The starch content in Populus tremuloides and the
lipid content in Pinus banksiana and Picea mariana displayed no statistically significant difference between marginal and central ray cells. The majority of ray parenchyma cells showed a statistically significant difference between two contiguous sampling periods in starch and lipid contents. There was no inverse relationship between the starch and lipid content over the growing season studied.
Young ray parenchyma cells were rich in chromatin and cytoplasm which contained numerous cell organelles. These cells were characterized by amyloplasts which possessed one or more elongated starch granules with thylakoids and osmiophilic globuli, numerous small lipid droplets and mostly rod-like mitochondria. In contrast, aged ray parenchyma cells featured an aggregated, dense nucleus and cytoplasm which contained few cell organelles. These aged cells possessed enlarged swollen starch granules, large lipid droplets or lumps with two staining densities, round shaped mitochondria with inconspicuous cristae and a rough/broken plasmalemma. Some heartwood substances originated from the lipid lumps which appeared frequently in dying ray cells.
Based on microscopic observations and measurements of the loss of vitality of ray parenchyma cells, a declining survival
rate, the disintegration of cell organelles and the origin of heartwood substances from lipid lumps, it can be concluded that heartwood formation is largely associated with the death of sapwood ray parenchyma cells. The death of these cells is due to the passage of time.<br>Forestry, Faculty of<br>Graduate
19
Zhan, Mei. "New toolsets to understand environmental sensation and variability in the aging process." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54296.
Full textAbstract:
Aging is a complex process by which a combination of environmental, genetic and stochastic factors generate whole-system changes that modify organ and tissue function and alter physiological processes. Over the last few decades, many genetic and environmental modulators of aging have been found to be highly conserved between humans and a diverse group of model organisms. Yet, an integrative understanding of how these environmental and genetic variables interact over time in a whole organism to modulate the systemic changes involved in aging is lacking. The goal of this thesis project is to advance a systems perspective of aging by providing the experimental tools and conceptual framework for dissecting the regulatory connection between environmental inputs, molecular outputs and long term aging phenotypes in Caenorhabditis elegans, an experimentally tractable multi-cellular model for aging.
Specifically, this work advances the quantitative imaging toolsets available to biologists by developing and refining microfluidic, hardware, computer vision, and software integration tools for high-throughput, high-content imaging of C. elegans. As a result of these technological advances, new roles for the TGF-beta and serotonin signaling pathways in encoding environmental food signals to influence longevity were uncovered and quantitatively characterized. Moreover, this work develops and integrates new microfluidic technologies with off-chip support systems to establish a platform for long-term tracking of the health and longevity trajectories of large numbers of individual C. elegans. The capabilities of this platform have the potential to address many important questions in aging including addressing environmental determinants of aging, the sources of inter-individual variability, the time course of aging-related declines and the effects of interventional strategies to improve health outcomes. Together, the toolsets for quantitative imaging and the long-term culture platform permit the large-scale investigation of both the internal state and long-term behavioral and health outputs of an important multicellular model organism for aging.
20
Whitlatch, James H. "Equipping senior adults for ministry through an understanding of the aging process." Online full text .pdf document, available to Fuller patrons only, 1985. http://www.tren.com.
Full text
21
Moudgil, Rashmi. "A Statistical and Circuit Based Technique for Counterfeit Detection in Existing ICs." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23177.
Full textAbstract:
Counterfeit Integrated Circuits (ICs) are previously used ICs that are resold as new. They have become a serious problem in modern electronic devices. They cause lower performance, reduced life span and even catastrophic failure of systems and platforms. To prevent counterfeiting and the associated revenue loss, there is need for non-invasive and inexpensive techniques to establish the authenticity of devices. We describe a technique to detect a counterfeit IC that does not have any special anti-counterfeiting mechanisms built-in prior to deployment. Our detection criterion is based on measuring path delays. The experiments show that a single path delay cannot directly reveal the age, as it is also greatly influenced by process variation and this could result in large error in classifying ICs as authentic or counterfeit. �Instead, we establish that the relationship between the delays of two or more paths is a great indicator for the age of device. The idea is to project ICs from different age groups onto the space of the path delays and train a trusted reference hyper-surface for each age group. Ideally, the hyper-surfaces do not overlap. In this way, an IC under test can be assigned to one hyper-surface based on the distance of its footprint with respect to these hyper-surfaces, thus predicting its age. In our simulations, we observe over 97% correct prediction of identifying an aged IC from a new IC.<br>Master of Science
22
Ward, Peter M. "Towards a process view of adherence." Thesis, University of Warwick, 2017. http://wrap.warwick.ac.uk/93942/.
Full textAbstract:
Through a review of adherence literature and thirty qualitative interviews, a theoretical view of the adherence process has been created which enables an understanding of the process from initial awareness of need through to post-consumption assessment. This view is proposed to answer the research question, what is adherence from a process perspective? It builds on Service-Dominant Logic to theorise the act of adherence for the first time. In this it views adherence as a complex relationship of interacting service (eco)systems. This takes the theoretical understanding of adherence beyond existing theories and models and into the act of consumption itself, thus providing theoretical visibility of the end-to-end process of adherence. The literature review and qualitative research identified six factors of adherence and three rules governing the adherence process. Perhaps surprisingly, interviews found little difference in causes of non-adherence between developed and developing worlds. A quantitative survey operationalised these adherence factors and rules through the development of a quantitative process of adherence derived from the qualitative process. However, due to survey limitations this research provided no additional insights. A new viewpoint on adherence is advanced. This considers adherence as a single act and therefore as an individual opportunity to be adherent. This permits a greater focus on the enablers and inhibitors of adherence at a point in time rather than it being averaged over many acts in different situations. It also includes a discussion of managerial implications, proposals for future research, and thoughts on research limitations.
23
Clarke, Angela. "Improving the change management process : executive summary." Thesis, University of Warwick, 1998. http://wrap.warwick.ac.uk/4178/.
Full textAbstract:
As external factors increasingly influence the way businesses operate, companies have to be able to adapt in order to cope with these external influences. They have to become agile and responsive to change in order to gain a real competitive advantage. However, most companies believe that they are unable to achieve this to their satisfaction. One of the main reasons cited is their inability to manage change effectively. The research summarised in this report identifies how the process of managing change can be facilitated and improved. It builds on the main concerns and issues identified in the change management literature and is supported with evidence from companies undergoing change. The research focuses, in particular, on best practice benchmarking, critical success factors for change, the role of corporate culture, understanding learning organisations and how to sustain change. Based on these research areas, two major developments are proposed to help organisations to manage change more effectively. The first method focuses on a benchmarking tool for change management. Formed from the actual practices of organisations who have managed change effectively, the tool provides a quantifiable way for companies to measure and improve their performance in change management. Its successful implementation in a number of different applications and levels, as demonstrated in the research, suggests that it could provide significant benefits to any organisation undergoing change. The second method focuses on sustaining long term successful change management, through more effective capture, sharing and transfer of knowledge within a company. This is known as corporate learning. A corporate learning framework, based on best practice, is proposed as a way forward for organisations to ensure that a holistic approach is taken when implementing corporate learning. Used correctly, these innovative methods provide mechanisms which can help any company undergoing change to improve the way in which it manages that change.
24
Suarez, Zambrano Nestor Ricardo. "Micromechanical Aspects of Aging in Granular Soils." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/29048.
Full textAbstract:
Granular soils exhibit a generally beneficial change in engineering properties with time after deposition or densification, during a process commonly known as aging. Soil properties reported to change during aging include the small strain modulus and stiffness, penetration resistance, liquefaction resistance, and pile setup. Different hypotheses have been proposed to explain the occurrence of aging in granular soils, including cementation induced by dissolution of silica and precipitation at the particle contacts, cementation due to microbiological activity, internal stress redistribution caused by particle crushing, and buckling of the load chains due to particle slippage. New evidence points out that internal and time-dependent changes in the soil structure caused by particle slippage and rearrangement as the source of the time-dependent variations in soil properties.
This investigation is focused on the study of aging at the particle scale to determine its main driving mechanism and define the factors which affect it. Results from an extensive laboratory testing program and computer simulations based on the discrete element method provide insight into the causes of aging and its effects on the macroscopic properties of sands based on the analysis of the interaction between sand grains.<br>Ph. D.
25
Konuslu, Firat. "Production And Labor Process Of The Contemporary Turkish Private Television Series." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614688/index.pdf.
Full textAbstract:
This thesis focuses on one of the most appreciated products of the Turkish Television, the TV Series'<br>production and labor process. Starting from the fact that
the production side of this highly attention gathering media product hasn'<br>t received too much academic concern, by analyzing the workers of the sector, this point is tried
to be illuminated. This thesis that analyzes TV series'<br>working conditions in the perspective of &ldquo<br>precarious employment&rdquo<br>departing from this framework, argues the
workers of the industry are fragmented into two groups, &ldquo<br>creative&rdquo<br>and &ldquo<br>technical&rdquo<br>workers. In this context it indicates the creative workers not only as not being
affected from the precarious employment conditions too much but also as the
executor of the technical workers'<br>experience of precariousness in the production
level.
26
Guo, Guannan. "Aluminum microstructure evolution and effects on mechanical properties in quenching and aging process." Digital WPI, 2017. https://digitalcommons.wpi.edu/etd-dissertations/334.
Full textAbstract:
"High strength aluminum alloys are recently widely used in aircraft, automobile and construction industry fields. Typical T6 heat treatment process can be applied to improve the heat treatable aluminum alloy in order to facilitate the formation of prime strengthening precipitate phases. Critical steps in T6 heat treatment process include solution treatment, quenching and aging. Due to high thermal gradients in quenching process and aging process, large thermal stress will remain in the matrix and may bring unexpected deformation or distortion in further machining. Therefore, in order to predict the thermal stress effects, constitutive model and precipitate hardening model are needed to simulate the mechanical properties of alloy. In this dissertation, an optimized constitutive model, which is used to describe the mechanical behavior during quenching and intermediate period of quenching and aging process, was given based on constitutive models with Zenor-Holloman parameter. Modification for constitutive model is based on the microstructure model, which is developed for the quenching and aging processes. Quench factor analysis method was applied to describe the microstructure evolution and volume fraction of primary precipitate phases during quenching process. Some experimental phenomena are discussed and explained by precipitate distributions. Classical precipitate hardening models were reviewed and two models were selected for Al-Cu-Mn alloy aging treatment. Thermal growth model and Euler algorithm were used to improve the accuracy and the selected precipitate hardening models were validated by yield stress and microstructure observations of Al-Cu-Mn aging response experiments."
27
Alouani, David James. "THE AGING PROCESS OF C. ELEGANS VIEWED THROUGH TIME DEPENDENT PROTEIN EXPRESSION ANALYSIS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=case1436393267.
Full text
28
Zoccoli, Sandra L. "Object features and object recognition Semantic memory abilities during the normal aging process /." Ann Arbor, Mich. : ProQuest, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3288933.
Full textAbstract:
Thesis (Ph.D. in Psychology)--S.M.U., 2007.<br>Title from PDF title page (viewed Nov. 19, 2009). Source: Dissertation Abstracts International, Volume: 68-11, Section: B, page: 7695. Adviser: Alan S. Brown. Includes bibliographical references.
29
Luin, Elisa. "The Ca 2+ currents and homeostasis during the aging process of skeletal muscle." Doctoral thesis, Università degli studi di Trieste, 2008. http://hdl.handle.net/10077/2574.
Full textAbstract:
2006/2007<br>Aims: The mechanisms involved in sarcopenia, the decline in muscle mass with aging coupled with loss of force and function, has been actively investigated in animal and human models over the last years [reviewed in Di Iorio et al., Sarcopenia: age-related skeletal muscle changes from determinants to physical disability, Int. J. Immunopathol. Pharmacol. 19 (2006) 703-719]. An important age-associated deficit may be the alteration of the mechanisms controlling Ca2+ handling. Moreover, it has already been proposed that defective fibres in old humans could result from a reduced efficiency of aged satellite cells (a distinct muscle cell subtype, responsible for post-natal growth and repair of damaged fibres) in properly differentiating into myotubes with a mature E-C coupling mechanism [see: Lorenzon et al., Aging affects the differentiation potential of human myoblasts, Exp. Gerontol. 39 (2004) 1545-1554].
Proceeding from these results, the main goal of the present Ph.D. thesis was to investigate whether the inefficiency of aged satellite cells to generate functional skeletal muscle fibres could be partly due to defective voltage-dependent Ca2+ currents.
Methods: The whole-cell patch clamp and the videoimaging techniques were employed to measure respectively T- and L-type Ca2+ currents and [Ca2+]i transients in myoblasts and/or myotubes derived from murine and human satellite cells, obtained respectively from young murine skeletal muscle and then aged in vitro under culture conditions, and from human skeletal muscle tissue of healthy donors aged 2, 12, 76 and 86 years.
Results: First of all, I confirmed that both murine and human senescent satellite cells fuse more slowly and less efficiently, leading to smaller and thinner myotubes, as known from previous work.
Moreover, I showed for the first time that both in myotubes derived from in vitro aged murine satellite cells and in human myotubes derived from satellite cells of old donors the functional expression and the biophysical properties of T- and L-type voltage-dependent Ca2+ channels are impaired. In fact, extensively, less Ca2+ can be available via T-type and L-type channels in old myotubes than in the young ones, and this can be put in relation to the age-related decrease in the quality of myoblast fusion. I also confirmed a specific responsibility of the decrease of the L-type channel number and/or activity for the age-related lowering of intracellular Ca2+ release (the so-called E-C uncoupling; see: Delbono et al., Excitation-calcium release uncoupling in aged single human skeletal muscle fibers, J. Membr. Biol. 148 (1995) 211-222].
Conclusions: From these results one can infer a clear parallelism between the results obtained with the in vitro aging of murine satellite cells model and that concerning the physiological process of human skeletal muscle aging in vivo. In the final analysis, aging effects on voltage-dependent L- and T-type currents could be one of the causes of the inability of old satellite cells to efficiently counteract age-related impairment in muscle force. So, a further strong evidence has been given that in humans, as in other mammals, the satellite cells and the regulation of Ca2+ homeostasis have a decisive role in the physiological process of skeletal muscle aging.<br>**************************************************************************************** Scopo della ricerca: Nel corso dell’invecchiamento il muscolo scheletrico subisce cambiamenti significativi, quali la perdita di forza e di massa muscolare (sarcopenia; per una rassegna recente vedere: Di Iorio et al., Sarcopenia: age-related skeletal muscle changes from determinants to physical disability, Int. J. Immunopathol. Pharmacol. 19 (2006) 703-719). Era già noto che le disfunzioni correlate all’età potrebbero essere almeno in parte dovute all’inabilità delle cellule satelliti, le cellule staminali per eccellenza del muscolo scheletrico, di rigenerare fibre muscolari funzionali nell’individuo anziano (vedere: Lorenzon et al., Aging affects the differentiation potential of human myoblasts, Exp. Gerontol. 39 (2004) 1545-1554).
Il principale scopo di questa Tesi di Dottorato è stato quello di studiare le possibili modificazioni dei meccanismi che regolano l’omeostasi calcica in cellule satelliti murine ed umane, rispettivamente nel corso dell’invecchiamento in vitro (senescenza replicativa in coltura) ed in vivo. In particolare l’attenzione è stata focalizzata sull’effetto delle alterazioni, collegate all’età, delle correnti al Ca2+ voltaggio-dipendenti di tipo L e di tipo T in miotubi provenienti dalla proliferazione e dal differenziamento di cellule satelliti a vari stadi di invecchiamento.
Metodologia: Le cellule satelliti murine utilizzate derivavano da una linea primaria espansa denominata i28; le cellule satelliti umane sono state ottenute da biopsie di individui di diversa età (2, 12, 76 e 86 anni). Esperimenti di elettrofisiologia e di videomicroscopia hanno permesso lo studio rispettivamente delle correnti al Ca2+ e dei transienti di Ca2+ intracellulare, nonché delle loro modifiche collegate all’invecchiamento in vitro e in vivo nei modelli murino ed umano.
Risultati: Vengono confermati, sia nel modello murino di invecchiamento in vitro che nel modello umano di invecchiamento in vivo, i dati sulla relazione tra sarcopenia e difficoltà di cellule satelliti invecchiate nel formare un numero sufficiente di nuovi miotubi, che anche morfologicamente risultano diversi da quelli derivanti dalla fusione di cellule satelliti giovani.
Inoltre, si dimostra per la prima volta che le correnti al Ca2+ in esame sono espresse in minor percentuale e densità, e più tardivamente nel corso del differenziamento, in miotubi derivati da cellule satelliti murine a stadi avanzati di senescenza replicativa, e in cellule umane da donatore anziano. Anche le proprietà biofisiche dei canali di tipo L e T, presenti in miotubi derivati da cellule satelliti invecchiate in vitro e in vivo, appaiono compromesse; complessivamente, meno Ca2+ può entrare attraverso i due tipi di canale e ciò può essere messo in relazione alla riduzione, correlata all’età, della capacità differenziativa e di fusione in miotubi. Viene ulteriormente messo in rilievo il ruolo determinante, nel corso dell’invecchiamento, del calo in numero e in attività dei canali di tipo L, come meccanismo alla base del minor rilascio di calcio intracellulare (fenomeno del disaccoppiamento eccitazione-contrazione; vedere: Delbono et al., Excitation-calcium release uncoupling in aged single human skeletal muscle fibers, J. Membr. Biol. 148 (1995) 211-222).
Conclusioni: Dai risultati ottenuti si evince un netto parallelismo tra il modello dell’invecchiamento in vitro di cellule satelliti murine e l’invecchiamento in vivo di cellule satelliti umane. In ultima analisi, si avvalora l’ipotesi che alterazioni età-dipendenti delle correnti al Ca2+ voltaggio-attivate possano essere alla base dell’impossibilità di cellule satelliti invecchiate di contrastare efficacemente la riduzione di forza muscolare caratteristica dell’anziano.<br>XX Ciclo<br>1980
30
Clay, Joan Marie. "An analysis of absenteeism cases taken to arbitration: factors used by arbitrators in the decision-making process." Thesis, University of North Texas, 1991. https://digital.library.unt.edu/ark:/67531/metadc332678/.
Full textAbstract:
The purpose of this study was to examine factors used by arbitrators in deciding the outcome of disciplinary labor arbitration cases involving excessive employee absenteeism. The seven key tests of just cause identified by Carroll Daugherty in the 1966 Enterprise Wire Co. arbitration case were used as the basis for examining the cases in the study.
31
Swiatek, Scott A. "The Entrance of Older and Younger Men into Feminized Work." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1522760207589488.
Full text
32
Holmes, C. J. "Re-engineering the new product introduction process : executive summary." Thesis, University of Warwick, 1999. http://wrap.warwick.ac.uk/4389/.
Full textAbstract:
This paper is the executive summary for the research project 'Re-Engineering the New Product Introduction Process.' The project is made up of a number of portfolio submissions describing differing areas of the research. The key reason for the research was to identify a way in which a case study company could radically improve its time to market for new products by improving the process followed. An action research methodology was employed and project team used to aid the development and validation of the process and supporting tools. The result of the work was a proceduralised process for the introduction of new products, Coupled with detailed supporting tools and techniques. This paper summarises the details of the new process and describes the supporting projects. The levels of validation and implementation for all tile projects are also described as these were at differing levels of implementation within the case study organisation.
33
Яценко, Валерій Валерійович, Валерий Валерьевич Яценко, Valerii Valeriiovych Yatsenko, et al. "Modeling business process of labor intensity calculating the machine-building equipment’s production." Thesis, Sumy State University, 2017. http://essuir.sumdu.edu.ua/handle/123456789/55767.
Full textAbstract:
The main aim of this article is the
solution of actual reengineering business process
problem of labor intensity calculation, which is
carried out at the JSC Nasosenergomash enterprise.
The model of the existing process is formed in this
work, which analysis allow to identify factors that
reduce the effectiveness of the calculation. As a result
of the research was formed a renewed model of the
updated business process, without revealed faults. The
technology, which will allow the reengineering
business process is proposed and will lead it to the
new model.
34
Kliegl, Reinhold, Ulrich Mayr, and Ralf Th Krampe. "Time-accuracy functions for determining process and person differences : an application to cognitive aging." Universität Potsdam, 1994. http://opus.kobv.de/ubp/volltexte/2010/1710/.
Full textAbstract:
A paradigm for the determination of time-accuracy functions (TAFs) for individual participants is introduced for two pairs of tasks differing in cognitive complexity, that is, word scanning vs cued recognition and figural scanning vs figural reasoning. TAFs can be used to test dissociations of cognitive processes beyond scale-related ambiguities of ordinal interactions. The approach is applied to examine the cognitive-aging hypothesis that a single slowing factor can account for interactions between adult age and cognitive task complexity. Twenty young and 20 old adults participated in 17 sessions. Presentation times required for 75, 87.5, and 100% accuracies were determined for each task with a variant of the psychophysical method of limits. Accuracy was fit by negatively accelerated functions of presentation time. State-trace analyses showed that different slowing factors are required for high- and low-complexity tasks. Relations to speed-accuracy and performance-resource functions are discussed.
35
Yang, Wen. "Mitochondrial dysfunction and reactive oxygen species metabolism in the aging process of «Caenorhabditis elegans»." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=94989.
Full textAbstract:
The nematode roundworm Caenorhabditis elegans has been extensively used to study the genetics of aging. The functions of many genes have been found to be able to affect this animal's lifespan. A large proportion of these genes are expressed in mitochondria, an organelle that plays important roles in energy metabolism and generates reactive oxygen species (ROS). These two characteristics of mitochondria have both been suggested to be crucial for lifespan determination. One hypothesis, called the oxidative stress theory of aging, proposes that high oxidative damage caused by ROS generated in mitochondria is the cause of aging. We found that the lifespan-increasing effect of electron transport chain (ETC) mutants (i.e. isp-1 and clk-1) as well as of several other long-lived mutants is not due to low oxidative damage, and that increasing oxidative damage fails to shorten their lifespan. I also identified a new long-lived mutant in a previously uncharacterized gene --nuo-6(qm200)--, which encodes the C. elegans orthologue of the B15 subunit of mammalian mitochondrial complex I. I found that this new mutation increases lifespan through the same pathway as isp-1(qm150) the previously characterized mutation in the iron sulphur subunit of complex III. Using RNA interference to knock down the level of expression of many mitochondrial genes has been found to increase the lifespan of C. elegans and of Drosophila by a mechanism that was assumed to be identical to that at work in mutations that altered the function of mitochondrial proteins. However, using the isp-1 and nuo-6 mutations I have shown that the mechanism that allows these mutants to be long-lived is, unexpectedly, completely distinct from the mechanism triggered by RNAi. Finally, I found that the generation of superoxide (a reactive oxygen species) is actually increased in these mutants, and that this elevation is necessary and sufficient for longevity. These studies challenge the traditional view about the role<br>Le nématode Caenorhabditis elegans est un organisme modèle qui a été extensivement étudié afin de mieux comprendre les bases de la génétique du vieillissement. Ces études ont mené à l'identification de plusieurs gènes jouant des rôles essentiels dans la détermination de la durée de vie de ce ver rond. La majorité de ces gènes sont exprimés au niveau des mitochondries, des organelles reconnues pour jouer un rôle primordial dans la régulation du métabolisme énergétique et pour être les principales sources des dérivés actifs de l'oxygène (reactive oxygen species, ROS). Ces deux caractéristiques propres aux mitochondries sont reconnues pour être cruciales dans la détermination de la durée de vie. Elles sont d'ailleurs à l'origine d'une hypothèse sur la cause du vieillissement, la théorie du stress oxydatif, qui propose que la génération de ROS par les mitochondries cause le vieillissement en induisant de façon graduelle des dommages oxydatifs aux divers constituants cellulaires. Dans cette étude, nous avons démontré que l'augmentation de la durée de vie observée chez des nématodes mutants pour des gènes mitochondriaux impliqués dans le transport des électrons (i.e. isp-1 and clk-1) ainsi que chez d'autres mutants reconnus pour leur longévité accrue n'est pas reliée à une diminution des dommages oxydatifs. D'autre part, nous avons montré que leur durée de vie n'est pas réduite suite à l'induction d'un stress oxydatif causant divers dommages. Cette étude nous a aussi amené à identifier un nouveau gène, nuo-6 (qm200), codant pour l'orthologue chez le ver de la sous-unité B15 du complexe I de la chaîne de respiration mitochondrial précédemment caractérisée chez les mammifères. La mutation de ce gène résulte en une augmentation de la durée de vie d'une manière similaire à ce qui est observé chez les vers mutants pour le gène isp-1(qm150), qui code pour une sous-unité du complexe III. L'utilisation d
36
Watson, Anna L. "Normality and the Aging Process in the Thoracic Spine: Two Late Prehistoric Ohio Populations." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1242766993.
Full text
37
Watson, Anna Louise. "Normality and the aging process in the thoracic spine two late prehistoric Ohio populations /." Columbus, Ohio : Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1242766993.
Full text
38
Newberry, Gayle. "How do people with learning difficulties experience and make sense of the aging process?" Thesis, University of Leeds, 2013. http://etheses.whiterose.ac.uk/4599/.
Full textAbstract:
Not enough is currently known about how people with learning disabilities experience and understand the ageing process. This is particularly important as the population of older people with learning disabilities is growing due to increased life expectancy. This study aims to fill this gap in the literature by exploring how people with learning disabilities experience and make sense of the ageing process and old age. Seven people with learning disabilities aged 60 or over were interviewed, and their accounts were analysed using Interpretative Phenomenological Analysis. An individual analysis of each participant’s account is presented, followed by the group analysis. The master themes arising from the group analysis were: quality of relationships is central to enjoyment of life, including sub-themes on the importance of affection and companionship, distress at lack of closeness, and anxiety about ability to satisfy others; powerlessness; needing a sense of purpose; and making sense of getting older, including sub-themes on reactions to changes with age, life review and looking to the future. The findings of the study are discussed in relation to the existing literature. Clinical implications of the findings include the need for services to support older people with learning disabilities in maintaining friendships and meaningful activities. This study demonstrates that some older people with learning disabilities can engage in a process of life review and learning disability services could play a useful role in facilitating this process. Understanding of the ageing process varied between participants, and tended towards a negative, stereotypical view of ageing. The findings suggest that people with learning disabilities could benefit from psychoeducation on the ageing process to aid them in making sense of the changes they experience as they get older.
39
Trigo, Sandra Cristina Eugénio Rodrigues Santos Pereira. "The involvement of consultants in decision making : aspects of process." Thesis, University of Warwick, 2008. http://wrap.warwick.ac.uk/3809/.
Full text
40
Gibellato, Marilisa Gail. "Stochastic modeling of the sleep process." The Ohio State University, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=osu1110318321.
Full text
41
Sharp, Mark. "Expectations of inefficiency in the built asset maintenance process." Thesis, University of Greenwich, 2008. http://gala.gre.ac.uk/8197/.
Full text
42
Zhang, Xiaochen. "Three Essays on Regional Economics from the Perspective of Transportation, Demand Shocks and Population Aging." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1531802402036636.
Full text
43
Ilkserim, Ayselin Yildiz. "Labor Migration In Europe Within The Context Of Demographic Challenges." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/3/12605341/index.pdf.
Full textAbstract:
Today, it is a very crucial problem that many European countries are encountering demographic challenges stemming from the population decline and aging and according to many studies and future projections, this demographic trend will reach more critical levels for the next 50 years. The most prominent impact of this demographic situation will be on social security systems that the functioning and sustainability of pension and health care systems will be severely damaged with regard to the rapidly increasing number of elderly and the decline in number of young labor force resulting from the low births rates all over Europe. In this context, labor migration that received significant attention, has risen up to the agenda of Europe to serve as a policy option to mitigate the adverse consequences of demographic challenges. Taking its impetus from the mentioned demographic problem, this thesis aims to analyze the discussions over labor migration as a foreseen policy option to compensate the shortage of labor force in Europe. It also intents to bring relevant data and current debates together to generate a ground in order to open this critical issue to discussion and to elaborate the feasibility of labor migration need for Europe. In this regard, the thesis scrutinizes the reactions of European states regarding their reluctance to open their borders again for &ldquo<br>mass influx&rdquo<br>and examines briefly the other preferred and enforced policies that exclude migration option, such as aiming to increase fertility rates, ameliorate social security systems or encourage the native labor force participation. By taking all these into account, this thesis aspires to attract attention to this urgent problem and evaluates the labor migration need in Europe by presenting the relevant reactions and appraisals shaping the migration policies both at the nation state and EU level. Finally, this thesis attempts to contribute to the literature in terms of generating a base for further intensified discussions and studies which constitutes a significant need in the context of interaction between demography and migration in Europe.
44
Tiley, David Carleton University Dissertation Political Economy. "Post-Fordist 'Ideal type'? - The labour process in the Japanese manufacturing sector, 1967-1990." Ottawa, 1997.
Find full text
45
Radina, M. Elise. "The process of preparing for the care of aging parents : views of Mexican-American sibings /." free to MU campus, to others for purchase, 2002. http://wwwlib.umi.com/cr/mo/fullcit?p3060134.
Full text
46
Lonergan, Brieanne F. "The Declining Health of Prisoners: Pains of Long-Term Incarceration vs. The Natural Aging Process." OpenSIUC, 2010. https://opensiuc.lib.siu.edu/theses/343.
Full textAbstract:
Based on the literature from my research and theory, the hypothesized relationships in this study were that those who are incarcerated long-term will experience more health related issues while in prison than those who are incarcerated short-term. These health-related issues included sexually transmitted diseases, heart problems, and mental health problems. Data were collected using the 2004 Survey of Inmates in State and Federal Correction Facilities. The study focused specifically on state correctional facilities and included 7,988 male and female prisoners. The results fail to support any of the three hypothesized relationships but a relationship between age and incarceration was found.
47
Machado, Cândida Sofia Ferreira. "Population aging and the labor market." Doctoral thesis, 2010. http://hdl.handle.net/1822/10871.
Full textAbstract:
Tese de doutoramento em Economia (área de conhecimento em Economia Industrial, do Trabalho e da Empresa)<br>Under the demographic context of population aging and considering its
implications on the age composition of the labor force, this thesis investigates the labor
market opportunities experienced by older individuals and additionally questions whether a
specific form of flexible work arrangement would help to expand older employees’ working
career, contributing this way to an active aging. Due to the fear of prospective labor supply
shortages, as well as to issues related to the sustainability of Social Security systems, there
exists a growing concern towards increasing the labor force participation of older workers.
Therefore, opportunities must be created and/or made accessible to these individuals in
order for them to find attractiveness in postponing the passage to inactivity.
For the study of labor market opportunities, using a longitudinal employer-employee data
set, I concentrate on hiring and promotion prospects faced by the elderly. First, I make use
of a fractional logit model to evaluate the hiring opportunities at the reach of older
individuals. I find that although Portuguese firms employ older workers they have a
preference for hiring younger individuals and this preference results from the fact that
employers seem to favor long-term employment relationships with their employees. In
effect, empirical results show a statistically significant negative association between the
share of the workforce with more than 5 years of tenure and the share of older workers’
hired.
Second, the research on older workers’ opportunities for promotion departs from a sample
of new firms and their employees. Survival analysis suggests that younger employees
experience shorter times to promotion than older workers and, therefore, the latter face a
smaller likelihood of promotion.
Both the above researches highlight the lack of opportunities for older individuals. They
are passed over for hiring and promotion because of age. This calls for the need of policy
intervention to incentive firms to hire and provide career development chances for those
that are older.
As a means to extend older individuals’ participation in the labor force, another dimension
of active aging policies focus on the adoption of flexibility in working arrangements. Thus,
in a third and final research, the underlying question is whether working hours’ flexibility is
associated with delayed exit from the labor market. Using a novel dataset from the 2006
Portuguese Labor Force Survey and employing duration models I find that reducing hours
of work before retirement is associated with early exits from the labor force. A reduction of hours of work seems to signal the wish to retire sooner rather than to announce the desire
of retirement postponement. Hence, flexibility in hours of work appears not to be an
effective instrument to promote active aging.<br>Perante um contexto demográfico de envelhecimento populacional e tendo em
consideração as suas implicações ao nível da composição etária da força de trabalho, esta
tese investiga as oportunidades ao alcance dos trabalhadores mais velhos no mercado de
trabalho e analisa o impacto de uma forma particular de flexibilidade nas relações laborais
sobre a extensão da carreira dos trabalhadores idosos, contribuindo deste modo para o
envelhecimento activo da população. Devido ao receio de uma futura escassez da oferta de
trabalho, bem como a questões relacionadas com a sustentabilidade dos sistemas de
Segurança Social, existe uma preocupação crescente com o aumento da participação dos
trabalhadores mais velhos na força de trabalho. Como tal, devem ser criadas oportunidades
para que estes trabalhadores sejam atraídos no sentido de permanecerem por mais tempo
na força de trabalho, adiando deste modo a sua reforma.
Para estudar as oportunidades no mercado de trabalho, nomeadamente as oportunidades
de contratação e promoção disponíveis para os trabalhadores mais maduros, são utilizados
dados longitudinais provenientes dos Quadros de Pessoal. Em primeiro lugar, recorre-se a um
modelo logit fraccional para avaliar as oportunidades de contratação ao alcance dos
indivíduos mais idosos. Verifica-se que apesar das empresas portuguesas empregarem
colaboradores mais velhos aquelas preferem contratar trabalhadores mais jovens. Esta
preferência resulta do facto de os empregadores elegerem favorecer relações laborais de
longo prazo com os seus colaboradores. Os resultados empíricos revelam uma relação
negativa e estatisticamente significativa entre a proporção da força de trabalho com mais de
5 anos de antiguidade e a proporção de trabalhadores mais velhos recrutados.
Em segundo lugar, o estudo das oportunidades de promoção dos trabalhadores mais
velhos tem por base uma amostra constituída por empresas novas e pelos seus
colaboradores. A utilização de modelos de duração sugere que os trabalhadores mais novos
enfrentam tempos para a promoção mais curtos que os trabalhadores mais velhos e,
portanto, os últimos apresentam uma menor probabilidade de serem promovidos.
Os dois estudos acima mencionados evidenciam a ausência de oportunidades para os mais
velhos. Pela sua idade, estes surgem preteridos no tocante a oportunidades de recrutamento
e promoção. Esta situação chama a atenção para a necessidade de uma intervenção de
política no sentido de incentivar as empresas a apostar no recrutamento e no
desenvolvimento de oportunidades para os indivíduos mais idosos. Com o intuito de prolongar a participação dos indivíduos mais velhos no mercado laboral,
o âmbito das políticas de envelhecimento activo passa pela adopção de maior flexibilidade
nas relações de trabalho. Logo, numa análise final, questiona-se se a flexibilidade do horário
de trabalho está associada com o adiamento da saída do mercado de trabalho. Usando uma
nova base de dados proveniente do módulo “Transição para a Reforma” do Inquérito ao
Emprego e utilizando uma análise de duração, demonstra-se que a redução do horário de
trabalho antes da passagem para a reforma está associada a saídas precoces da força de
trabalho. A redução do horário de trabalho parece sinalizar a intenção de saída antecipada
do mercado de trabalho em vez de anunciar o desejo de adiamento da reforma. Portanto, a
flexibilidade do horário de trabalho não parece ser um instrumento eficaz na promoção do
envelhecimento activo.<br>Fundação para a Ciência e a Tecnologia (FCT) - SFRH/BD/31103/2006
48
Purenne, Jonathan. "Processus de la retraite et carrière atypique au Canada." Thèse, 2018. http://hdl.handle.net/1866/21583.
Full text
49
YANG, KUN-FENG, and 楊坤鋒. "Analysis on aging labor of agriculture in Taiwan." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/74929100753781372143.
Full text
50
Lin, Hsin-Yu, and 林昕俞. "The morphology of cortical surface in aging process." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/nqpv9p.
Full textAbstract:
碩士<br>國立陽明大學<br>生物醫學影像暨放射科學系<br>105<br>Normal aging is an ineluctable issue which public started to pay attention to because of the upcoming aging society. Due to the novel improvement of medical technology, there has been increasing evidence for morphological changes in brain gray/white matter along aging process. In previous studies related to brain morphology with age and diseases, using the indices such as gray matter volume, cortical thickness, area and so on, had different physiological meanings but also had correlations in genetic and cellular level with each other to some extent. Nevertheless, in which way our brain degenerate and how the pattern of the brain surface affected by age are still uncertain.
In the past decades, evidences have indicated that the morphology of human cerebral cortex changes during the aging process. Gyri and sulci are the most remarkable features of cerebral cortex, being reported having distinct specialized neuronal organization and show opposite mean curvature changing trends during aging. Moreover, in order to clarify the shape changing of the complex uneven cortical surface, intrinsic curvature has been introduced to elucidate the complex curvature pattern with higher spatial resolution rather than using traditional index. We separate surface into gyral and sulcal regions, additionally parted into pial and white surfaces. We would like to discuss gyri, sulci, pial and white surfaces altogether to illustrate an overall morphologic alteration of cortex along lifespan.
To reach our goal, we use cortical thickness and intrinsic curvature that account for the degree and pattern-specificity of gyrification to investigate the morphologic variation of cortical features across the normal aging process. At last, a possible model was performed to fit all conditions we found and in previous studies, which may shed light on the mechanism of aging degeneration progression inferring a general changing of healthy human brain along aging process.