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Dissertations / Theses on the topic 'Statistical analyses of questionnaires'

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1

Wang, Wei Chun, and wwang@swin edu au. "A comparison of alternative estimation methods in confirmatory factor analyses of the general health questionnaire across four groups of Australian immigrants." Swinburne University of Technology, 2005. http://adt.lib.swin.edu.au./public/adt-VSWT20051025.122616.

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This thesis examines the implications of using different correlation input matrices and estimation techniques in confirmatory factor analyses (CFAs) when analyzing ordinal, nonnormal data derived from responses of recently arrived Australian immigrants to the 12-item General Health Questionnaire (GHQ-12). The GHQ-12 is one of the most widely used instruments for determining wellbeing in populations. The response format of the GHQ-12 comprises four ordinal categories and underlying distributions of data obtained invariably do not approximate univariate or multivariate normality. Owing to these
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2

Kegel, Anja. "Venture Performance and Motivation of Business Foundation - An empirical Study in the Free-state Saxony." Master's thesis, Hochschule für Technik und Wirtschaft Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:520-qucosa-159826.

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Die Zielstellung der Arbeit besteht darin zu untersuchen, in welchem Umfang Motivation und Opferbereitschaft eines Unternehmers auf die Leistungskraft des Unternehmens wirken, und inwieweit demographische Faktoren wie Geschlecht und Alter die persönlichen Ansichten des Unternehmers, dessen Motivation, dessen Opferbereitschaft und die Start-up-Hürden beeinflussen. Im Weiteren geht es darum, die Bedeutung des Unternehmertums für die Wirtschaft zu analysieren, vor allem in den fünf neuen Bundesländern und insbesondere in Sachsen. Untersuchungsergebnisse in Bezug auf Persönlichkeitsmerkmale des Un
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3

Chen, Chao, and Yogesh Vishwas Bhamare. "Life Cycle Cost Analysis and Optimization of Wastewater Pumping System." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-255866.

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Different attempts have been made to facilitate successful operation of Wastewater Pumping (WWP) system. The WWP units which are already existed in different parts of the world have been studied to identify its success, failure and different parameters associated with its suboptimal performance. The performance of WWP depends on three parameters namely pump, hydraulics, control system and pump station. These parameters are interdependent and must be carefully matched to achieve efficient WWP system. Nowadays the scenario has changed where organizations has started looking increasingly at the t
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Neme, Rosa Maria. ""Avaliação do perfil epidemiológico e clínico de portadoras de endometriose pélvica e identificação dos principais fatores de risco relacionados à doença obtidos através de questionário interativo"." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/5/5139/tde-12042005-181432/.

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A endometriose representa uma das doenças mais prevalentes em ginecologia, e afeta cerca de 10 a 15% das mulheres em idade reprodutiva. Apesar do grande aumento da ocorrência desta doença, pouco se sabe sobre sua epidemiologia, principalmente devido à dificuldade metodológica por tratar-se de patologia de definição e etiologia desconhecidas. A prevalência estimada varia de 4% entre mulheres assintomáticas a cerca de 50% entre adolescentes com dismenorréia incapacitante. Fatores de risco pessoais foram descritos, como idade, estado sócio-econômico, estado civil, fatores menstruais, como duração
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5

Fujisawa, Tomochika. "Statistical analyses of genealogical-phylogenetic data." Thesis, Imperial College London, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.556548.

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Thanks to the recent advancement of the sequence technologies, generating large volumes of DNA sequence data is now becoming more feasible. Sequencing several samples across many species from a range of clades enables us to connect the two fields of study previously separated due to the lack of data: population genetics and phylogenetics. The former has focused on detailed genetic processes in a few species, while the latter has studied large-scale evolutionary relationships across many species. In this thesis, methods to utilize the new type of data, genealogical-phylogenetic data, are explor
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6

Elkadry, Alaa. "Statistical Analyses of "Randomly Sourced Data"." Thesis, Oakland University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10262484.

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<p> Warner in 1965 introduced randomized response, and since then many extensions and improvements to the Warner model have been done. In this study a randomized response model applicable to continuous data that considers a mixture of two normal distributions is considered and analyzed. This includes a study of the efficiency, an estimation of some unknown parameters and a discussion of contaminated data issues and an application of this method to the problem of estimating Oakland University student income is presented and discussed. Also, this study includes inference for two or more populati
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7

Mohd, Ali Masni. "Multivariate statistical analyses in lipid biomarker studies." Thesis, Bangor University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288132.

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8

Chong, Adrian Chin Hsiung. "Statistical Analyses of Fractal grid generated turbulence." Thesis, University of Sheffield, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500155.

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9

Yahalomi, Daniel Alexander. "Statistical analyses of gravitational microlensing probability densities." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/120205.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Physics, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 67-69).<br>Gravitational microlensing is a powerful modelling tool, that is essential in accurately understanding the lensing behavior of astronomically strong lensed objects. Using Joachim Wambsganss micro-magnification maps, we discuss the creation of a Monte-Carlo tool that can determine the likelihood for microlensing to account for flux ratio anomalies between macro-models and observations. We apply this tool to the study
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10

Pei, Xin, and 裴欣. "Bayesian approach to road safety analyses." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46591989.

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11

Santin, Paolo. "Statistical Analyses of E-space Communication AB Database." Thesis, Uppsala University, Department of Mathematics, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-120148.

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12

Brolin, Karin. "Cervical Spine Injuries - Numerical Analyses and Statistical Survey." Doctoral thesis, KTH, Aeronautical Engineering, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3418.

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<p>Injuries to the neck, or cervical region, are very importantsince there is a potential risk of damage to the spinal cord.Any neck injury can have devastating if not life threateningconsequences. High-speed transportation as well as leisure-timeadventures have increased the number of serious neck injuriesand made us increasingly aware of its consequences.Surveillance systems and epidemiological studies are importantprerequisites in defining the scope of the problem. Thedevelopment of mechanical and clinical tools is important forprimary prevention of neck injuries.</p><p>Thus, the main objec
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13

Kwan, Sheung-him, and 關尚謙. "Statistical methods and analyses in human gene mapping." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43759117.

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14

Blades, Natalie J. "Statistical methods for serial analyses of gene expression." Available to US Hopkins community, 2002. http://wwwlib.umi.com/dissertations/dlnow/3068119.

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15

Kwan, Sheung-him. "Statistical methods and analyses in human gene mapping." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43759117.

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16

Stevens, Timothy John. "Statistical analyses of transmembrane protein sequence and structure." Thesis, University of Cambridge, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620343.

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17

Kahyaoglu, Nazli Deniz. "Spectral And Statistical Analyses Of Experimental Radar Clutter Data." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612799/index.pdf.

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The performance of radar detection and imaging systems strongly depends on the characteristics of radar clutter. In order to improve the radar signal processing algorithms, successful analysis and modeling of radar clutter are required. For a successful model of radar clutter, both the spectral and statistical characteristics of the clutter should be revealed. Within the scope of this study, an experimental radar data acquisition system is established to analyze radar clutter. The hardware and the data processing system are first verified using generic signals and then a set of measurements is
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18

Boyle, Linda T. Ng. "Statistical analyses of traffic advisory systems on driving behavior /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/10174.

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19

Baker, Joseph O. "Paranormal America: Adventures in Qualitative, Statistical, and Subcultural Analyses." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/etsu-works/404.

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20

Nnanatu, Chibuzor. "Statistical modeling and analyses of partially observed infectious diseases." Thesis, Lancaster University, 2018. http://eprints.lancs.ac.uk/127741/.

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This thesis is concerned with the development of Bayesian inference approach for the analysis of infectious disease models. Stochastic SIS household-based epidemic models were considered with individuals allowed to be contracted locally at a given rate and there also exists a global force of infection. The study covers both when the population of interest is assumed to be constant and when the population is allowed to vary over time. It also covers when the global force of infection is constant and when it is spatially varying as a function of some unobserved Gaussian random fields realization
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21

Hubbard, Alan Edward. "Statistical analyses of extinction in the marine fossil record." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/41984.

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Several questions regarding the nature of extinction in the fossil record of marine invertebrates were investigated using statistical methods and familial diversity data. First, a series of analyses were performed to determine whether the magnitudes of mass extinctions were statistically distinguishable from the magnitudes of background extinctions. The expected proportions of familial extinction for each order in a stage (based on an estimate of the ordinal probability of familial extinction for each of 134 orders) were compared to the observed proportions of familial extinction in the stage
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22

Yu, Xiaoqing. "Statistical Methods and Analyses for Next-generation Sequencing Data." Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1403708200.

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23

Kim, Jong Hee. "Improvement of geotechnical site investigations via statistical analyses and simulation." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41218.

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The purpose of this study is to improve site investigation in geotechnical engineering via the evaluation and development of statistical approaches for characterizing the spatial variability of soil properties and the development of site investigation simulation software for educational use. This study consists of four components: statistical characteristics, data measurement, simulation, and educational training. Statistical measures of spatial variability of soil properties were examined for three different geographical areas where soil formation processes differ to assess the influence on
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24

Schneider, Fabian [Verfasser]. "Statistical Analyses of Massive Stars and Stellar Populations / Fabian Schneider." Bonn : Universitäts- und Landesbibliothek Bonn, 2015. http://d-nb.info/1077289510/34.

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25

Zapala, Matthew Alan. "Neurogenomics in the mouse model multivariate statistical methods and analyses /." Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2007. http://wwwlib.umi.com/cr/ucsd/fullcit?p3258781.

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Thesis (Ph. D.)--University of California, San Diego, 2007.<br>Title from first page of PDF file (viewed June 8, 2007). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references.
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McMillan, David G. "Statistical analyses of geomagnetic dipole variations, reversals and geodynamo simulations /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2003. http://wwwlib.umi.com/cr/ucsd/fullcit?p3090447.

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27

Michailidou, Kyriaki. "Statistical analyses of genome-wide association studies in breast cancer." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708642.

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28

Auriat, Nadia M. "An analysis of item nonresponse and "don't know" responses in the Feneral Social Survey of Canada, 1985 /." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60544.

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The issue of nonresponse to surveys is a serious problem in survey research because it reduces the amount of information obtained, creates a significant nuisance for data analysis and may introduce bias into the survey results by flawing the representativeness of the target population under investigation. This paper examines item-nonresponse and "don't know" responses in the General Social Survey of Canada of 1985 and comments specifically on the different effects of personal and telephone interviewing technique on rate of item omission. The effect of sensitivity of the question, and position
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29

Katsumata, Yuriko. "STATISTICAL ANALYSES TO DETECT AND REFINE GENETIC ASSOCIATIONS WITH NEURODEGENERATIVE DISEASES." UKnowledge, 2017. https://uknowledge.uky.edu/epb_etds/17.

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Dementia is a clinical state caused by neurodegeneration and characterized by a loss of function in cognitive domains and behavior. Alzheimer’s disease (AD) is the most common form of dementia. Although the amyloid β (Aβ) protein and hyperphosphorylated tau aggregates in the brain are considered to be the key pathological hallmarks of AD, the exact cause of AD is yet to be identified. In addition, clinical diagnoses of AD can be error prone. Many previous studies have compared the clinical diagnosis of AD against the gold standard of autopsy confirmation and shown substantial AD misdiagnosis H
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30

Imagawa, Chie. "Statistical and Modeling Approaches for Hydro-environmental Analyses in Agricultural Watershed." Kyoto University, 2012. http://hdl.handle.net/2433/157692.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第16901号<br>農博第1917号<br>新制||農||998(附属図書館)<br>学位論文||H24||N4662(農学部図書室)<br>29576<br>京都大学大学院農学研究科地域環境科学専攻<br>(主査)教授 河地 利彦, 教授 村上 章, 教授 川島 茂人<br>学位規則第4条第1項該当
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Zhang, Yi. "Statistical analyses of transcriptomic responses of M. tuberculosis under environmental stresses." Thesis, Birkbeck (University of London), 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.499179.

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32

Matje, Thorsten. "Empirical Analyses of a Spatial Model of Voter Preferences." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/73579.

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To properly analyze the advantages and disadvantages of voting rules, and how well the outcomes that they yield reflect voters' preferences, one needs very large data sets, since paradoxes that occur very rarely may have large impacts. Since such amounts of election data are currently unavailable, it is important to be able to use random procedures to generate data that have the same statistical characteristics as real election data. It is the purpose of this work to identify a statistical characterization of voting data, to empower researchers to use random procedures to generate data that is
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33

Hashmi, Atta-Ur-Rehman. "Statistical comparison of customized and traditional knee implants using Finite Element Analyses." Thesis, Wichita State University, 2007. http://hdl.handle.net/10057/1548.

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According to the National Center for Health Statistics in 2004 over 478,000 people Underwent Total Knee Replacement surgeries in 2004. The number is rapidly growing due to advances in implant surgeries, knee implants, and longevity but is limited to patients older than 60 years. Knee implant surgery failures have also increased which has lead to increased number of revisions. Recent attempts have been made to design and optimize customized knee implants for young patients and provide a solution for current failures in knee replacements. The objective of this research is to compare the femoral
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Sturm-Beiss, R. "An overview of the statistical analyses of the bovine spongiform encephalopathy epidemic /." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30847.

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In this thesis the statistical analyses that were used to study the by now well known bovine spongiform encephalopathy (BSE) epidemic are reviewed. Central to the analysis is a backcalculation survival model whose development is discussed in detail. Various techniques applied to examining the likelihood of a maternal infection route (in addition to the main feed infection route) are discussed. It is found that maternal transmission is likely to occur at low rates. Measures taken to eliminate meat and bone meal feed supplements, the main infection source, have essentially eliminated BSE. Howeve
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Grether, Daniel Andrew Physics Faculty of Science UNSW. "Statistical analyses of extrasolar planets and other close companions to nearby stars." Awarded by:University of New South Wales. School of Physics, 2006. http://handle.unsw.edu.au/1959.4/29182.

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We analyse the properties of extrasolar planets, other close companions and their hosts. We start by identifying a sample of the detected extrasolar planets that is minimally affected by the selection effects of the Doppler detection method. With a simple analysis we quantify trends in the surface density of this sample in the Msini-period plane. A modest extrapolation of these trends puts Jupiter in the most densely occupied region of this parameter space, thus suggesting that Jupiter is a typical massive planet rather than an outlier. We then examine what fraction of Sun-like (~ FGK) stars h
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36

McIntyre, Emmet. "EGFR signalling in breast cancer : immunohistochemical staining, statistical analyses and computer simulation." Thesis, University of Kent, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.544045.

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37

Hashmi, Atta Weheba Gamal. "Statistical comparison of customized and traditional knee implants using Finite Element Analyses /." Thesis, A link to full text of this thesis in SOAR, 2007. http://hdl.handle.net/10057/1548.

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38

Whalen, Andrew. "Computational, experimental, and statistical analyses of social learning in humans and animals." Thesis, University of St Andrews, 2016. http://hdl.handle.net/10023/8822.

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Social learning is ubiquitous among animals and humans and is thought to be critical to the widespread success of humans and to the development and evolution of human culture. Evolutionary theory, however, suggests that social learning alone may not be adaptive but that individuals may need to be selective in who and how they copy others. One of the key findings of these evolutionary models (reviewed in Chapter 1) is that social information may be widely adaptive if individuals are able to combine social and asocial sources of information together strategically. However, up until this point th
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39

Hagen, Suzanne. "A statistical investigation of the reliability, validity and sensitivity to change of questionnaires measuring aspects of urinary incontinence." Thesis, Glasgow Caledonian University, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.443239.

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40

Ng, Ka-Ho. "Analyses on the agent dynamics in a model of competition /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?PHYS%202008%20NG.

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41

Tindall, Nathaniel W. "Analyses of sustainability goals: Applying statistical models to socio-economic and environmental data." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54259.

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This research investigates the environment and development issues of three stakeholders at multiple scales—global, national, regional, and local. Through the analysis of financial, social, and environmental metrics, the potential benefits and risks of each case study are estimated, and their implications are considered. In the first case study, the relationship of manufacturing and environmental performance is investigated. Over 700 facilities of a global manufacturer that produce 11 products on six continents were investigated to understand global variations and determinants of environmenta
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42

Fink, Gerhard, and Peter Haiss. "Central European financial markets from an EU perspective. Theoretical aspects and statistical analyses." Forschungsinstitut für Europafragen, WU Vienna University of Economics and Business, 1999. http://epub.wu.ac.at/316/1/document.pdf.

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Due to the fact that the European transition economies practically started from scratch in financial market development the size of financial markets in the CE-10 is significantly smaller with respect to GDP than in developed market economies. We can show by residual analysis that financial markets in the Czech Republic and Slovakia still need some restructuring. We also find that stock markets hardly contribute to economic prosperity, neither in the CE-10 nor in the EU. (authors' abstract)<br>Series: EI Working Papers / Europainstitut
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Sit, T. F. L. "Investigation by compartmental and statistical analyses of the disposition of topically applied drugs." Thesis, Open University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234760.

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44

Rašovská, Aneta. "Marketingový výzkum spokojenosti zákazníka Big One Fitness." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2011. http://www.nusl.cz/ntk/nusl-223171.

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The diploma thesis focuses on the proposition, implementation and evaluation of marketing research of customer satisfaction at 'Big One Fitness'. It addresses the issue of customer satisfaction, services and a questionnaire as the method of questioning. It also analyses the starting position of the company within the competitive environment. Based on the findings of this research it suggests recommendations to enhance customer satisfaction.
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Frisch, Jessica Lynne. "Chromatographic and mass spectral analyses of oligosaccharides and indigo dye extracted from cotton textiles with manova and anova statistical data analyses." Orlando, Fla. : University of Central Florida, 2008. http://purl.fcla.edu/fcla/etd/CFE0002068.

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Zhou, Jiyuan, and 周基元. "Single-marker and haplotype analyses for detecting parent-of-origin effects using family and pedigree data." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B4308543X.

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47

Sener, Ipek Nese. "An Innovative Model Integrating Spatial And Statistical Analyses For A Comprehensive Traffic Accident Study." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/3/12606148/index.pdf.

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The negative social and economic results of traffic accidents are the most serious problems within the concept of traffic safety. Every year, unfortunately, a huge number of traffic accidents result in destructive losses. Especially, when the holiness of human life is concerned, traffic safety has an invaluable role for the traffic improvement strategies. In this manner, Turkey places one of the highest ranks regarding the growing rate and severity of traffic accidents that should be immediately taken under control. In this study, an innovative model that constructs a hybrid between the spatia
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48

Lu, Xiaosun. "Statistical Modeling and Prediction of HIV/AIDS Prognosis: Bayesian Analyses of Nonlinear Dynamic Mixtures." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5258.

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Statistical analyses and modeling have contributed greatly to our understanding of the pathogenesis of HIV-1 infection; they also provide guidance for the treatment of AIDS patients and evaluation of antiretroviral (ARV) therapies. Various statistical methods, nonlinear mixed-effects models in particular, have been applied to model the CD4 and viral load trajectories. A common assumption in these methods is all patients come from a homogeneous population following one mean trajectories. This assumption unfortunately obscures important characteristic difference between subgroups of patients who
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O'Leary, Brian. "A Vertex-Based Approach to the Statistical and Machine Learning Analyses of Brain Structure." University of Toledo / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1576254162111087.

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50

McIntee, Erin. "FORENSIC ANALYSIS OF AUTOMOBILE PAINTS BY ATOMIC AND MOLECULAR SPECTROSCOPIC METHODS AND STATISTICAL DATA ANALYSES." Master's thesis, University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3131.

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The analysis of 110 automotive paint samples was conducted for the research presented here. Laser-induced breakdown spectroscopy (LIBS) was the central instrument utilized for analysis although scanning electron microscopy / energy dispersive x-ray spectroscopy (SEM/EDS) and Fourier transform infrared spectroscopy &#150; attenuated total reflection (FTIR-ATR) analyses were also performed. Two separate methods of LIBS analysis of samples were used: a cross sectional analysis and a drill down analysis. SEM/EDS analysis focused on the cross section while FTIR-ATR analysis concentrated on the clea
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