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Vieira, Edileine Carvalho. "O barro cinzento paulista: produção em barro cozido nas olarias do Tijucusú e de Pinheiros. Ordem de São Bento em São Paulo entre o século XVI e o XIX." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/31/31131/tde-19012017-172430/.
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A pesquisa pretende levantar através de documentação disponível, além de outras fontes, informações sobre as origens da produção em barro cozido nas olarias da Vila de Piratininga, ou como iremos tratá-la aqui, Vila de São Paulo, especialmente sob a administração da Ordem Beneditina, no período entre 1560 e 1870. Trataremos de identificar as técnicas de produção empregadas na elaboração das peças produzidas nestas olarias, como telhas, tijolos, louças, etc, sobretudo, nas olarias da Fazenda do Tijucusú pertencentes à Ordem Beneditina e na olaria da Vila de Pinheiros administrada pelos beneditinos. Investigaremos a documentação disponível sobre as olarias e pretendemos demonstrar as técnicas e as finalidades de uso das peças ali produzidas, assim como em outras olarias da Vila de São Paulo no período citado, na tentativa de confirmar a existência efetiva de uma indústria oleira consistente e uma mão de obra especializada.<br>The research intends to raise through available documentation, and other sources, information about the origins of production in terracota in the brick kilns of Piratininga village or how we treat it, Vila Sao Paulo, especially in the administration of the Benedictine\"s Order in the period between 1560 and 1870. We will try to identify the production techniques used in the preparation of the pieces produced in these brick kilns, such as tiles, bricks, crockery, etc., and especially the potteries of Tijucusú Treasury belonging to the Benedictine Order and the pottery of Pine Village run by the Benedictines. We investigate the available documentation on these potteries and we intend to demonstrate the techniques and the use purposes of there produced parts, as well as in other potteries from the town of São Paulo in the period mentioned in an attempt to confirm the actual existence of a consistent potter industry and a skilled labor.
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Morozov, Kirill. "On cryptographic primitives based on noisy channels /." BRICS, 2005. http://www.brics.dk/DS/05/1/BRICS-DS-05-1.pdf.
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Knapp, Henning [Verfasser]. "Sensor-Based identification of Elemental Carbon and Metal in Spent Refractory Bricks / Henning Knapp." Aachen : Shaker, 2017. http://d-nb.info/115983704X/34.
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Ozer, Muhammed Said. "Production And Characterization Of Magnesium Oxychloride Cement Based Polishing Bricks For Polishing Of Ceramic Tiles." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12610266/index.pdf.
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Magnesium oxychloride cement (MOC) based grinding and polishing bricks developed for polishing of granite based ceramic tiles were produced and characterized. For surface grinding 46 and 180 grit size SiO2 powder embedded MOC based abrasive bricks<br>for polishing 600 and 1200 grit size SiC powder embedded MOC based abrasive bricks followed by neat (unreinforced) MOC pastes were applied on ceramic tiles.
Three different neat MOC pastes depending on MgO/MgCl2 molar ratio in the paste e.g. 6/1, 7/1, and 8/1, were formed and evaluated. Grinding bricks were formed by adding 30 weight percentage, wt%, of both SiO2 powders. Polishing bricks were formed by adding 20, 25, and 30 wt% of both SiC powders. X-Ray diffraction analyses revealed that MOC F5 was the main crystalline phase in the neat MOC pastes.
Additions of both SiO2 and SiC powders enhanced mechanical properties namely<br>compressive strength and abrasion resistance, chemical durability in water and polishing ability of MOC paste. More than 25 wt% addition of SiC powders had a tendency to decrease the compressive strength and water resistance of MOC paste. Polishing performance of abrasive bricks was evaluated in terms of mean surface roughness of ceramic tiles and abrasive brick consumption upon polishing. Scanning Electron Microscope examinations revealed the evidences of the reasons that 25 wt% SiC powder embedded abrasive bricks has the best qualifications in terms of abrasion resistance and polishing performance.
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Lagström, Philip, and Gustaf Stenlund. "A study of how the Brick and Mortar business can utilize Location-based Marketing in Sweden. : Technologies, Strategies, Privacy & Integrity and Receptiveness from a consumer and expert perspective." Thesis, Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-25888.
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Title: A study of how the Brick and Mortar business can utilize Location-based Marketing in Sweden. - Technologies, Strategies, Privacy & Integrity and Receptiveness from a consumer and expert perspective. Date: 2014-05-20 Level: Bachelor Thesis in Marketing Authors: Philip Lagström and Gustaf Stenlund. Supervisor: Klaus Solberg Søilen. Purpose: The purpose of this research is to create an understanding of what location-based marketing is and how brick and mortar businesses in Sweden can use this type of marketing, and how it affects sales and the customer experience. The objective is also to find out how consumers percept location-based marketing and possible privacy and integrity concerns. Theoretical framework: The theoretical framework begins with theory regarding Smartphone usage in Sweden and privacy & integrity concerns. The theory also discusses the brick and mortar business. Further, it discusses what kinds of techniques and methods that are used by location-based marketing today is, and how push and pull strategies can be used within location-based marketing. Method: The research is based on a combination of a qualitative and quantitative study. This was made to get the experts point of view and also the consumers’ perspective. The qualitative part consisted of three interviews with experts in the field of location-based marketing, mobile applications, Smartphone marketing and digital marketing. The quantitative part consisted of a survey with 357 participants Empirical framework: The empirical study consists of interviews and a survey. It begins with the interviews with the three experts; this part involves thoughts regarding location-based marketing within brick and mort, best method of LBM, consumer receptiveness, negative/positive aspects, privacy and integrity and future prospects for location-based marketing. This followed by the results from the quantitative survey with our 357 respondents; the survey gives a consumer point of view on important factors such as Smartphone use, consumer interest regarding LBM, receptiveness, privacy and integrity concerns and loyalty. Conclusion: The conclusion made in this dissertation is that location-based marketing is a great part of the digital marketing mix, and could potentially work well for Swedish brick and mortar businesses. It has potential to create increased value for consumers, which in turn can develop into a loyal customer base. The respondents of our survey are not concerned about their privacy and integrity. However, it could be a devastating blow for retailers if dealt with incorrectly.
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Demirel, Ismail Ozan. "A Nonlinear Equivalent Frame Model For Displacement Based Analysis Of Unreinforced Brick Masonry Buildings." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612772/index.pdf.
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Although performance based assessment procedures are mainly developed for reinforced concrete and steel buildings, URM buildings occupy significant portion of building stock in earthquake prone areas of the world as well as in Turkey. Variability of material properties, non-engineered nature of the construction and difficulties in structural analysis of perforated walls make analysis of URM buildings challenging. Despite sophisticated finite element models satisfy the modeling requirements, extensive experimental data for definition of material behavior and high computational resources are needed. Recently, nonlinear equivalent frame models which are developed assigning lumped plastic hinges to isotropic and homogenous equivalent frame elements are used for nonlinear modeling of URM buildings.
The work presented in this thesis is about performance assessment of unreinforced brick masonry buildings in Turkey through nonlinear equivalent frame modeling technique.
Reliability of the proposed model is tested with a reversed cyclic experiment conducted on a full scale, two-story URM building at the University of Pavia and a dynamic shake table test on a half scale, two story URM building at the Ismes Laboratory at Bergamo. Good agreement between numerical and experimental results is found.
Finally, pushover and nonlinear time history analyses of three unreinforced brick masonry buildings which are damaged in 1995 earthquake of Dinar is conducted using the proposed three dimensional nonlinear equivalent model. After displacement demands of the buildings are determined utilizing Turkish Earthquake Code 2007, performance based assessment of the buildings are done.
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Parkman, Ian. "Two essays examining design briefs as knowledge-based assets: Content and cross-functional collaboration." Thesis, University of Oregon, 2010. http://hdl.handle.net/1794/10873.
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ix, 99 p. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.<br>Design briefs outline the business objectives, corresponding design strategies and target markets for a product development project. Research has demonstrated that a variety of attributes influence consumer impressions of a product, less attention has been given to the within-firm mechanisms that determine the optimal mix of attributes which to embed in an offering. The first essay of this dissertation examines the role of design briefs as knowledge-based assets that function as artifacts of this process within new product development (NPD). In a second essay, this dissertation examines design briefs as knowledge-based artifacts of cross-functional collaboration during NPD. NPD is often characterized as the process by which firms transform knowledge embedded in cross-functional teams into new products. However functional areas often differ in their evaluations of information and knowledge needed to successfully complete an NPD project. Based on an expert rating and survey questionnaire procedure, results provide a framework of eight factors of cross-functional knowledge present in design briefs and empirically describes differences in evaluation within each factor across functional area.<br>Committee in charge: Dennis Howard, Chairperson, Marketing;
Lynn Kahle, Member, Marketing;
Joan Giese, Member, Marketing;
Keven Malkewitz, Member, Not from U of O;
Gary Klug, Outside Member, Human Physiology
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Alsaif, Talal M. "Trust transference from brick to click retailers : a model of perceived structural assurance in the introductory stage of customers' interaction." Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/13603.
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Previous studies have revealed that the creation of synergy among retailers’ channels can enhance customers’ satisfaction and loyalty. Nevertheless, little is known about utilising such synergy in inducing customers’ purchasing behaviour in electronic commerce. In an attempt to address this issue, few empirical studies have been conducted into the role of trust transference from brick to click channels in order to understand customers’ purchasing intentions. These empirical studies have mainly focused on interpersonal trust as a proxy of the transference process. Therefore, the present study seeks to articulate the importance of impersonal trust, and shed light on its expected role in the transference process during the introductory stage of customers’ interaction. Impersonal trust, or perceived structural assurance as labelled in this study, refers to customers’ beliefs in the legal and technological structures of retailers’ websites. However, the introductory stage describes the state of customers when they have not yet been exposed to a retailer’s website. These notions are thoroughly reviewed and synthesised to achieve a proper conceptualisation and operationalisation for the perceived structural assurance. Then, on the basis of previous theories and studies, a conceptual model is constructed to determine several drivers of the perceived structural assurance, as well as its consequences. With regard to the research methodology, a quantitative triangulation choice is adopted in the present study. This choice involves the design of a survey questionnaire, which is employed after relying on several explorative instruments. However, upon the insights of a pilot study, a total of 304 responses are used to analyse the overall research data. Then, the results are generated through an advanced stage of statistical analysis which is performed by Structural Equation Modelling (SEM). The results indicate that the validated model is robust and can be used in generalising the findings of the current research. The novelty of this study involves several contributions to the body of knowledge and practice. This study develops a model that theoretically extends the existing knowledge on the trust transference phenomenon and posits an effective approach of triangulating methods in quantitative research. Lastly, this study contributes to the practice by presenting evidence to support the synergy among retailers’ brick and click channels.
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Brookes, Lorna Marie. "Bubbles, brick walls and connectivity : families affected by parental imprisonment and their experiences of community-based support." Thesis, University of Central Lancashire, 2014. http://clok.uclan.ac.uk/12702/.
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It is estimated that around 200,000 children in the UK experience the imprisonment of a parent. Imprisonment has been described as a family affair, as families suffer the brunt of the punishment supposedly directed at the offender. Despite an awareness of this impact there is a distinct lack of community-based support services for families affected by parental imprisonment, and no central support strategy from government. This practitioner-researcher study aimed to discover how ‘whole-families’ affected by parental imprisonment (children, parents/carers and parents who are/have been prisoners) experience community-based support. A collective case study approach was utilised. Eight families who were supported by the UK based charity, Person Shaped Support (PSS) contributed their experiences; this comprised 18 participants; 5 children, 8 parents/carers, and 5 parents who had been in prison. All participants took part in one audio-recorded in-depth interview, either at PSS or in their own home. Some participants offered further insights via conversations with the researcher, which were recorded in the form of handwritten notes. Transcripts were analyzed using thematic analysis; they were analyzed individually and then considered as part of their family grouping. Early themes from each family were then compared and contrasted from family to family. Four major themes were identified: (1) ‘Isolation and Someone to Talk To’; (2) ‘Feeling Understood and Being Judged’; (3) ‘Power, Secrets and Lies and Fighting Back’; and (4)’ Loss, Contact and Change’. Participants spoke of feeling isolated and marginalized, which some described like ‘being in bubbles’; they also described the ‘brick walls’ they experienced which reflected their frustrations of being judged and their conflict with statutory services, members of their communities and members of their own families. A tentative model centered on ‘Personal Connectivity’ is presented in which personal connectivity is seen to be the over-riding support need for these families. With enhanced personal connectivity, the families reported being able to form and maintain meaningful relationships, which helped them to better cope. Some participants also reported personal growth. Recommendations are that practitioners who aim to help families affected by parental imprisonment should adopt a ‘whole-family’ systemic approach to practice and provide support through non-judgmental listening, conveying understanding, sharing knowledge (of the criminal justice system), providing opportunities for safe family contact, and opportunities for affected families to meet peers.
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Nteo, Lemao Dorah. "Role of market based instruments in transitioning to a low carbon economy : experiences from BRICS countries and lessons for South Africa." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/30640.
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Market based instruments have become a common feature in country policies aimed at transitioning to low carbon economies. BRICS countries are responsible for approximately two-thirds of the global average of carbon emissions. These countries are under continuing international pressure to demonstrate leadership in their carbon emission reduction efforts.This research explored the implementation of market based instruments in Brazil, China, India and South Africa as they transition to low carbon economies and determined the elements and driving forces informing the selection of market based instruments. The research sought to achieve three objectives, the first objective was to establish whether market based instruments were regarded as a policy option for low carbon transition initiatives by these four countries. The second objective was to determine the drivers and sectors informing a selection of market based instruments. The third objective was to extract lessons from these countries for South African to consider in its low carbon transition.The research outcomes included a model of the interrelationship between driving forces for decisions to adopt market based instruments, targeted sectors that would be subjected to such mechanisms and the eventual combination of instruments that gets implemented.<br>Dissertation (MBA)--University of Pretoria, 2012.<br>Gordon Institute of Business Science (GIBS)<br>MBA<br>Unrestricted
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Beccue-Barnes, Wendy Davis. "War brides: a practice-based examination of translating women’s voices into textile art." Diss., Kansas State University, 2012. http://hdl.handle.net/2097/13632.
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Doctor of Philosophy<br>Department of Apparel, Textiles, and Interior Design<br>Sherry J. Haar<br>Research about military wives has been limited. In academia, most research centers on the soldier and/or the family as a unit. When literature does address only the wife’s perspective it rarely presents a positive portrayal of her life. However, it is not just literature that shows a gap in exposing the voice of the military wife. Art-based works rarely focus on her perspective; and methodologies, such as practice-based research, rarely utilize actual voices as inspiration. The aim of the current study was to discover the voice of the military wife, examine it through a feminist lens, and then translate those voices into artwork that represented the collective, lived experience of the women interviewed. Three methodologies were utilized to analyze and translate the voices of military wives into textile art. These three methodologies: practice-based research, phenomenology, and feminist inquiry provided a suitable structure for shaping the study to fulfill the project aim. Interviews conducted with 22 military wives revealed two overarching themes: militarization and marriage; as well as multiple subthemes. Three subthemes were recognized as being the most prominent: relationships, separation, and collective experience. These themes were used as the inspiration for the creation and installation of three textile art pieces. The current study serves to fill the gaps in both the literature and the artistic process by presenting both the positive and negative aspects of the military wife’s lived experience and using that lived experience as inspiration for textile art.
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Gratias, Melissa B. "Gender and Ethnicity-Based Differential Item Functioning on the Myers-Briggs Type Indicator." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/30362.
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Item Response Theory (IRT) methodologies were employed in order to examine the Myers-Briggs Type Indicator (MBTI) for differential item functioning (DIF) on the basis of crossed gender and ethnicity variables. White males were the reference group, and the focal groups were: black females, black males, and white females. The MBTI was predicted to show DIF in all comparisons. In particular, DIF on the Thinking-Feeling scale was hypothesized especially in the comparisons between white males and black females and between white males and white females. A sample of 10,775 managers who took the MBTI at assessment centers provided the data for the present experiment. The Mantel-Haenszel procedure and an IRT-based area technique were the methods of DIF-detection.
Results showed several biased items on all scales for all comparisons. Ethnicitybased bias was seen in the white male vs. black female and white male vs. black male comparisons. Gender-based bias was seen particularly in the white male vs. white female comparisons. Consequently, the Thinking-Feeling showed the least DIF of all scales across comparisons, and only one of the items differentially scored by gender was found to be biased. Findings indicate that the gender-based differential scoring system is not defensible in managerial samples, and there is a need for further research into the study of differential item functioning with regards to ethnicity.<br>Master of Science
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Silva, Mondragón Guido Leonardo. "Development of an eco-friendly composite based on geopolymer matrix produced with fired clay brick powder and reinforced with natural fibers." Master's thesis, Pontificia Universidad Católica del Perú, 2018. http://tesis.pucp.edu.pe/repositorio/handle/123456789/13564.
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Current construction industry is responsible for a large amount of greenhouse gas
emissions due to the widespread use of building materials with high-embodied energy
such as ordinary Portland cement-based materials and steel. Therefore, this thesis
presents the development of a new eco-friendly building material based on a
geopolymer matrix produced with Fired Clay Brick Powder (FCBP) and reinforced
with natural fibers as a low CO2 alternative for the traditional building materials.
With this purpose, a review of recent advances in the application of geopolymer
composites and geopolymers reinforced with natural fibers in the construction industry
were first presented. This review covers two major eco-friendly materials for
construction: first, geopolymers obtained from industrial by-products and waste
materials, such as fly ash, ground granulated blast furnace slag, construction and
demolition wastes and main tailings; and second, natural fibers used as reinforcement
for geopolymer composite materials. Literature review allowed the definition of
morphology, size, and the molar ratio of SiO2/Al2O3 in the raw material, together with
the alkaline solution/solid ratio, NaOH concentration, SiO2/M2O molar ratio in the
total alkaline solution and the curing conditions as key parameters in the formulation
of geopolymers. It has been also found that the type, pre-treatment, amount and length
of the natural fibers play an important role in the reinforcement of geopolymer
matrices. Once key parameters of geopolymer composites production were identified,
an attempt for the formalization of a methodology to improve the compressive strength
of FCBP-based geopolymers is presented. The tests allowed the definition of optimum
conditions of the FCBP-based geopolymers formulation and curing conditions, which
resulted in a cementitious matrix with high compression strengths of up to 37 MPa.
Nevertheless, high-strength geopolymers evidenced a fragile behavior and low
ductility similar to Portland cement-based materials. Therefore, the last part of the
work was focused on the evaluation of natural cellulose fibers (jute and sisal) as
reinforcement of FCBP-based geopolymers. The results indicated that jute and sisal
fiber addition at the optimum content significantly improved the compressive, splitting
tensile and flexural strength with respect to the unreinforced geopolymer matrix and
lead to a shifting of the failure mode from a brittle to a more ductile failure in all
mechanical tests.<br>Tesis
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Марченко, Ігор Олександрович, Игорь Александрович Марченко, Ihor Oleksandrovych Marchenko, et al. "Usage of keypoint descriptors based algorithms for real-time objects localization." Thesis, Центральноукраїнський національний технічний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/68603.
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In order to achieve high level of security in our everyday life we produce huge amount of data. Significant part of information is presented by videos, sounds or images. A computer is used to extract useful information from raw data [1]. Pattern recognition is branch of computer vision, which allows us to get information from images [2] and videos. Information extraction is crucial problem of pattern recognition. This problem is divided into next branches: object presence; object localization; object classification.
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Tönnies, Thaddäus [Verfasser], Ralph [Gutachter] Brinks, and Adrian [Gutachter] Loerbroks. "Application of the illness-death model to estimate epidemiological measures for diabetes based on aggregated data / Thaddäus Tönnies ; Gutachter: Ralph Brinks, Adrian Loerbroks." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2020. http://d-nb.info/121223863X/34.
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Johnson, Sharon K. "An analysis of counselor characteristics that contribute to successful results-based school guidance programs." Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/53537.
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The field of guidance is changing from one of providing services for students needing help to results-based guidance programs which provide knowledge, attitudes, and skills for all students. This shift in focus has resulted in different expectations of counselors who are responsible for implementing guidance programs in the schools. Some counselors who were successful in providing counseling services have been less successful in guidance programs. This study looked at selected counselor characteristics that contribute to successful results-based guidance programs. The question is asked, “Are counselor characteristics related to the success of a results-based guidance program?”
Data on student results were collected from high school seniors and eighth-graders at eighteen secondary schools. The counselors implementing the results-based guidance programs at these schools were assessed on selected personality characteristics using the Myers-Briggs Type Indicator. In addition, data were collected on demographic factors including sex, race, age, and length of service for each counselor. Additional qualitative data were collected from administrators, teachers, counselors, and students from a successful and less-successful school using an interview format.
Quantitative and qualitative methods were used to answer the research questions. Analysis of data included ranking schools based upon student mean scores in four guidance competency areas to differentiate successful from less-successful programs, a t-test was applied to four MBTI scores to determine significant differences between counselors implementing successful programs and those implementing less-successful programs, application of Kruskal-Wallis one-way anova test was used to analyze demographic factors and a stepwise, multiple regression was applied to personality factors to account for the amount of variance ascribed to each. Qualitative data were analyzed through the use of a cross-site, two variable descriptive matrix.
Findings indicated that the Thinking-Feeling preference on the MBTI differentiates at the p < .01 level between counselors implementing successful results-based programs and those implementing less-successful programs at the high school level. Using a student self-report format, it was possible to differentiate between successful and less-successful results-based guidance programs at the high school level. In an interview situation, administrators, teachers, students, and counselors articulated personality characteristics that contribute to a successful results-based guidance program in terms that related closely to the findings of the MBTI.<br>Ed. D.
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Smith, Richard L. "An Investigation Into the Relationship of the Myers Briggs Type Indicator To Learning In a Computer Based Training Setting." NSUWorks, 1992. http://nsuworks.nova.edu/gscis_etd/846.
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This research addresses the potential relationship between the Myers-Briggs Type Indicator (MBTI) and learning through Computer Based Training (CBT). Two factors are present in any instructional environment: individuals have unique personalities and they learn differently. To optimize learning efficiency, we must recognize and deal with the different responses students have to instructional methods, curriculum content, and learning environments. This is especially true with Computer Based Training where the rapid integration of computers into the work place and the education environment affects the teaching situation. Students have varying responses to Computer Based Training which affect their aptitude and expectations about learning. This study addresses personality preferences and their influence on perceptions of student aptitude and expectations about learning in a computer training environment.
The dissertation uses the Myers-Briggs Type Indicator (MBTI) as a measure of personality preferences. These personality preferences influence their expectations and aptitude toward learning. The relationship between preferences and how people learn in the computer training environment is the primary research focus. If a relationship exists, then dealing effectively with these preferences could be useful to subsequent designers of instruction.
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Rekar, Carolin Dorothy. "A team development model based on Myers Briggs personality types and action research to improve team performance and participant satisfaction." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ58906.pdf.
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Kheiravar, Sara [Verfasser], and Thorsten [Akademischer Betreuer] Blecker. "Exploring the acceptance of ubiquitous computing-based Information services in brick and mortar retail environments - an integration of UTAUT2 and media system dependency theory / Sara Kheiravar ; Betreuer: Thorsten Blecker." Hamburg : Universitätsbibliothek der Technischen Universität Hamburg-Harburg, 2018. http://d-nb.info/1163662313/34.
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Brown, Reagan. "An examination of the structure and predictability of Myers-Briggs Type Indicator preferences using a job component validity strategy based on the Common-Metric Questionnaire." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-07102009-040356/.
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Ludwig, Tobias. "Regulierung von Rapsschädlingen im ökologischen Winterrapsanbau durch den Mischanbau mit Rübsen (Brassica rapa L. var. silvestris (Lam.) Briggs) sowie den Einsatz naturstofflicher Pflanzenschutzmittel." Doctoral thesis, Humboldt-Universität zu Berlin, Landwirtschaftlich-Gärtnerische Fakultät, 2013. http://dx.doi.org/10.18452/16759.
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An drei Standorten wurde die schädlingsregulierende Wirkung einer Raps-Rübsen-Mischsaat (Verhältnis 9:1) gegenüber einer Raps-Reinsaat bewertet. Des Weiteren wurden naturstoffliche und nach § 6a PflSchG selbst hergestellte Pflanzenschutzmittel als auch eine Käfersammelmaschine zur Regulierung der Stängelrüssler (Ceutorhynchus spp.) und des Rapsglanzkäfers (Meligethes aeneus F.) in Labor- und Freilandversuchen angewandt. In der Mischsaat war die Schaderregerabundanz gegenüber der Reinsaat zumeist erhöht. Diese führte zu einem teils signifikant stärkeren Schaderregerbefall der Rapspflanzen in der Mischsaat. Die Mischsaat erbrachte zudem einen teils signifikant geringeren Kornertrag. Natur-Pyrethrum und Spinosad führten im Labor zu deutlich erhöhten Mortalitäten bei den Stängelrüsslern. Im Freiland war kein Effekt erkennbar. Bei der Regulierung der Rapsglanzkäfer wies Spinosad in Feld- und Laborversuchen Wirkungsgrade bis zu 100 % auf. Gespritztes Gesteinsmehl und SiO2 zeigten einen nur geringen Effekt. Für die gleichmäßige Benetzung der Pflanzen mit diesen Präparaten kommt der Formulierung der Pflanzenschutzbrühe und der wiederholten Applikation eine hohe Bedeutung zu. Ökonomisch sind mehrfache Applikationen jedoch abzulehnen. Gestäubtes Gesteinsmehl und die Käfersammelmaschine sind aus Praktikabilitätsgründen nicht geeignet zur Regulierung der Rapsglanzkäfer. Ebenso wenig geeignet sind Quassin, Azadirachtin oder ein Bacillus thuringiensis-Präparat (B.t.t.). Mit Ausnahme einer Spinosad Applikation erzielte keine Pflanzenschutzmaßnahme einen wirtschaftlichen Mehrertrag. Stickstoffmangel und Unkrautkonkurrenz scheinen im ökologischen Rapsanbau häufig stärker auf die Limitierung der Kornerträge zu wirken als ein leichter bis mittlerer Schädlingsbefall. Je besser die Nährstoffversorgung und je geringer die Unkrautkonkurrenz, desto eher kann durch Pflanzenschutz ein wirtschaftlicher Mehrertrag realisiert werden. Die nötigen Pflanzenschutzkonzepte fehlen jedoch weiterhin.<br>On three sites the pest-regulating effect of a rape-turnip rape mixed cropping system (ratio 9:1) in comparison to rape in pure stand was assessed. Further, natural and self-produced natural insecticide solutions (§ 6a Plant Protection Act) and a beetle collecting machine to regulate the stem weevils (Ceutorhynchus spp.) and the pollen beetles (Meligethes aeneus F.) were applied in laboratory and field experiments. Compared to the fields in pure stand the mixed crop showed a significantly greater abundance of pests. This resulted in a sometimes significantly greater pest infestation of the rape plants in the mixed crop. Furthermore, the mixed crop often had a significantly lower grain yield. The use of natural pyrethrum and Spinosad resulted in significantly higher mortality rates of the stem weevils in laboratory tests. Under field conditions no effect could be detected. In the regulation of the pollen beetles, Spinosad demonstrated under field and laboratory conditions efficiencies of up to 100 %. Sprayed mineral powder or SiO2 had only a slight effect. For a uniform wetting of the plants with these compounds the formulation of the phytosanitary broth and its repeated application are important factors. From an economic perspective, however, repeated applications are inefficient. For reasons of practicality rock-dusted flour and the beetle-collecting machine are not suitable for pollen beetle regulation. Quassin is just as inappropriate as Azadirachtin, or Bacillus thuringiensis (B.t.t.) for the regulation of the pollen beetle. With the exception of one Spinosad application, no protection measure provided an economic surplus. Nitrogen deficiency and weeds seem to more frequently limit grain yield than slight to moderate pest infestation levels. The better the nutrient supply and the lower the weed competition, the more likely by crop protection can be realized an economic surplus. Adequate crop protection strategies, however, have not yet been developed.
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Rigby, Roshan R. "Understanding the Application of Behaviour Change Science to Dietetics Practice." Thesis, Griffith University, 2021. http://hdl.handle.net/10072/410956.
Full textAbstract:
Background: Chronic diseases are a global issue with high human and economic costs and consequences. Chronic disease treatment requires people to change their health related behaviours with support from health care professionals. Behaviour change science is a component of health psychology and behavioural science that can help explain and predict behaviours to guide and inform intervention design. Dietitians in primary care are well-positioned to support adults with chronic disease to change their diet through nutrition education and counselling that incorporates behaviour change science. The way in which this knowledge is applied within dietary interventions, how it can be addressed in practice and whether behaviour change science is adequately taught within dietetics education programs in Australia is unclear, warranting further investigation.
The overall aim of this doctoral research program was to explore the application of behaviour change science in the dietetics profession. This exploration was achieved through the following three aims: i) to investigate how behaviour change science is used in dietetics interventions and determine its effectiveness; ii) to explore how behaviour change science can be applied on an individual level for chronic disease management; iii) to investigate and explore how behaviour change science has been taught within dietetics education programs. These three aims were addressed throughout four phases of research which aligned with the Joanna Briggs Institute (JBI) Model of Evidence Based Healthcare. The JBI Model contextualises five ‘inner segments’ that conceptualises evidence based health care and includes Global Health, Evidence Generation, Evidence Synthesis, Evidence Transfer, and Evidence Implementation. The methodological approach for the body of research drew on both qualitative and quantitative approaches, guided by a pragmatic paradigm with relational epistemology using sequential explanatory mixed methods. This thesis is presented in eight chapters which include a mixture of research chapters and publication papers. This thesis introduces the background and significance of the problem (Chapter 1), reviews the relevant literature (Chapter 2), describes each phase of research with their submitted or published manuscripts (Chapter 4-7), and summarises the body of research and provides recommendations for future work (Chapter 8). Phase One, Study 1, a systematic review, was conducted to explore theory-based dietary interventions delivered by dietitians in primary care settings. This systematic review aligned with the Evidence Synthesis segment of the JBI Model. Thirty papers representing 19 randomised controlled trials and 5172 adults were synthesised. Thirteen studies showed significant intervention effects for the study’s primary outcome, which related to a range of health conditions. Of those studies, 11 were underpinned by the social cognitive theory, a well-known behaviour change theory commonly used in group education settings. There was fair grade evidence to support behaviour change theory, particularly social cognitive theory, to underpin the design of interventions delivered in the primary care setting. The behaviour change techniques explicitly reported by the studies were analysed, with a range of types and numbers used. These findings demonstrated that the reporting of behaviour change techniques could be enhanced for intervention replicability. Furthermore, only a few theories were used to underpin dietitian-delivered dietary interventions within primary care settings. The findings presented an opportunity to explore how other behaviour change theories could be used to understand dietary change on an individual level in the primary care setting outside of clinical intervention settings.
Phase Two, Study 2, a qualitative study of adults with Type 2 Diabetes (T2D), was conducted to explore the psychological processes of dietary behaviour change after a chronic disease diagnosis. This study aligned with the Evidence Generation segment of the JBI Model. Twenty-one semi-structured interviews were conducted with adults in Australia who had consulted with a dietitian following a diagnosis of T2D. The integrated behaviour change model guided a deep exploration of the psychological processes involved in dietary behaviour change. The participants expressed a range of motivational, volitional and implicit processes that influenced their decisions to change their dietary behaviours. Motivations stemmed from the desire to improve their health, using support systems to help with life changes resulting from their diagnosis, feeling an ability and responsibility to make changes, and use their diagnosis as motivation to change. Participants expressed the importance of recognising habitual eating behaviours and unlearning them. These findings illustrate how the integrated behaviour change model can deepen our understanding of dietary behaviour change, particularly within the crucial period after a diabetes diagnosis, and can form the basis of future interventions targeting dietary behaviour change.Phase Two, Study 3, a qualitative study, further analysed the 21 transcripts using the Behaviour Change Technique Taxonomy (v1) to identify the self-reported techniques enacted by participants and the technique they perceived their dietitians to use in consultations. This study aligned with the Evidence Generation segment of the JBI Model. The participants described techniques relating to behavioural practice, suggesting almost all the participants had made changes to their dietary intake following a T2D diagnosis. As seen in Study 2, these participants expressed a range of motivations that influenced their decisions to change their dietary behaviours and volitional processes reflected in the behaviour change techniques. The participants reported that their dietitian implemented behaviour change techniques similar to nutrition education and advice. However, there appeared to be less focus on behaviour change techniques relating to self-identity and environmental restructuring. Findings from this study highlighted the multifaceted nature of dietary behaviour change and how behaviour change techniques can be used to gather how patients perceive the nutrition care delivered by dietitians. Future research is warranted to measure the effectiveness of the behaviour change techniques.
Phase Three, Study 4, a document review of 18 dietetics education program curricula and 15 interviews with dietetics academics, explored how behaviour change science is taught within tertiary dietetics education programs across Australia and New Zealand. This study aligned with the Evidence Generation segment of the JBI Model. The findings illustrated the fundamental role of behaviour change science in dietetics teaching. However, the dietetics academics reported that the content-laden curricula and need to meet accreditation requirements prevented including more behaviour change science teaching and learning. Assessment types and topics taught varied between programs. These findings provided important foundational knowledge regarding behaviour change science within dietetics education programs. Key areas of improvements in university teaching and learning were identified, including having more practical simulations, scaffolding the behaviour change science content from early years, and integrating the content across courses. Conclusion: The four phases of this doctoral research program presented an in-depth understanding of how behaviour change science applies to dietetics. Dietary interventions delivered in the primary care setting are recommended to be underpinned by behaviour change theories and models to enhance patient outcomes. However, the reporting of important intervention components such as behaviour change techniques need to be considered and made more explicit for replicability. Dietitians consulting in primary care settings can use behaviour change science in their practice to understand patient dietary behaviours and develop patient-centred intervention strategies. The Behaviour Change Technique Taxonomy (v1) is a useful tool that dietitians can use in practice as evidence based strategies. At a university level, there are areas to improve how students learn about behaviour change science, such as consistency in content taught and more detailed assessments. Future research needs to explore dietitians’ perspectives of behaviour change science application to their practice to provide optimal nutrition care to patients with diet-related diseases.<br>Thesis (PhD Doctorate)<br>Doctor of Philosophy (PhD)<br>School of Health Sci & Soc Wrk<br>Griffith Health<br>Full Text
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Aliu, Omokhele Rosemary. "Frequent Fall Risk Assessment Reduces Fall Rates in Elderly Patients in Long-Term Care." Thesis, Walden University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10256725.
Full textAbstract:
<p> Falls are a serious issue for the elderly living in long-term care facilities, as falls contribute to significant health problems such as increased dependence, loss of autonomy, confusion, immobilization, depression, restriction in daily activities, and, in some cases, death. An estimated 424,000 fatal falls in elderly patients residing in long-term facilities occur annually in the United States costing $34 billion in direct medical costs. One way to reduce falls among elderly patients in long-term care is to assess for fall risk frequently and implement evidence-based strategies to prevent falls. Patients in this project site facility had been assessed for fall risk via the Briggs Fall Risk Assessment Tool with implementation of fall risk iinterventions only upon admission or when there was a fall. The purpose of this project was to assess whether changing to weekly use of the Briggs Fall Risk Assessment Tool with implementation of fall risk interventions by nursing staff could decrease fall rates in the elderly in long-term care in Harris County, Texas. The model of prevention served as the conceptual framework for this project. Thirty participants (20 females and 10 males) between the ages of 65-115 participated in the program. Pre-implementation data were collected for 1 month and post-implementation data were collected for 1 month. The total number of falls reported weekly was counted before and after the weekly implementation of the Briggs Fall Risk Assessment Tool. The number of falls decreased from 12(70.6%) before the implementation of the assessment tool to 5(29.4%) falls afterwards. A fall prevention program in long-term care may affect social change positively by reducing fall risk in long term care by reinforcing the importance of increased awareness of risk of falls to implement fall prevention strategies</p>
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Hsu, Chung-Jen. "Development of an indigenous Chinese personality inventory based on the principle of yin-yang and the five elements and on the ancient Chinese text "Jen wu chih"." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1148066035.
Full text
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Fujdiak, Radek. "Analýza a optimalizace datové komunikace pro telemetrické systémy v energetice." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-358408.
Full textAbstract:
Telemetry system, Optimisation, Sensoric networks, Smart Grid, Internet of Things, Sensors, Information security, Cryptography, Cryptography algorithms, Cryptosystem, Confidentiality, Integrity, Authentication, Data freshness, Non-Repudiation.
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Zhou, Shuxin. "Hydration mechanisms of magnesia-based refractory bricks." Thesis, 2004. http://hdl.handle.net/2429/17312.
Full textAbstract:
Hydration of magnesia-based refractory bricks could occur during storage, during drying after installation, or in service, and the hydration would cause damage to refractory bricks and furnace linings. In order to understand the hydration mechanisms of magnesia-based refractories, three types of bricks were chosen: magnesia, magnesia-spinel and magnesiachrome bricks, and hydration tests were performed at 60 to 130°C in 98% relative humidity, water, and steam. The variation of the modulus of elasticity (MOE), determined by the impulse excitation technique (IET), as well as apparent porosity, air permeability, pore size and pore size distribution were correlated with the hydration data. The phase compositions and microstructure modifications were also studied on selected specimens by XRD and SEM/EDS. Based on the experimental results, a hydration model of "cylindrical pore model" was established and a hydration mechanism was suggested. The hydration takes place in three stages. In the first stage, which is controlled by chemical reaction, a film of brucite forms and MOE quickly increases. During the second stage, which is controlled by diffusion, the MOE gradually reaches a maximum value followed by a slow, decrease due to the formation of cracks on the film and weakening of grain boundaries until the MOE reaches the initial value. At this point, the third stage, corresponding to "dusting", starts to take place until the brick disintegrates. The results also indicate that the hydration rate increases with rising temperature and the CaO/SiO₂ ratio. The variations in permeability and porosity are opposite to that in MOE. A nondestructive method - IET to assess the hydration degree of magnesia-based refractory bricks was proposed.<br>Applied Science, Faculty of<br>Materials Engineering, Department of<br>Graduate
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Ma, Yang-Sheng, and 馬楊陞. "State-Driven and Brick-Based Mobile Service Composition." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/17303845370277541047.
Full textAbstract:
碩士<br>國立臺灣海洋大學<br>資訊工程學系<br>103<br>The mobile application (i.e. mobile app or app) is becoming an important software delivery model. Although users can consume a lot of services through mobile apps, such as entertainment, news, travel, and social network, retrieving required integrated information from multiple apps, services, or local resources by the smartphone is still a time-consuming, costly and inconvenient task for users. Therefore, in this paper, we propose a novel mobile mashup approach, called State-driven Mobile Service Composition (BSMSC). BSMSC include two main mechanisms: (1) Android-fragment-based service brick; and (2) state-driven composite RESTful service linkage, which supports both one-shot service flow execution and stateful service flow execution. By applying the proposed BSMSC approach, fully-fledged, usable, and reconfigurable mobile mashup applications can be easily constructed and consumed by end users.
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Lai, Chien-An, and 賴建安. "The Development of Reservoir Sludge Based Geopolymer Compacted Brick." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/5bx5pe.
Full textAbstract:
碩士<br>國立臺北科技大學<br>土木工程系土木與防災碩士班<br>106<br>Building materials are often associated with local natural resources, and early residents built houses with bamboo, thatch, slate, and stones. Later, there were construction materials such as earthen bricks, clay bricks, and wood in the mountains. In modern times, concrete with sand and gravel was used. How to get materials on site and even use waste to make durable building materials becomes a challenging direction. In addition, in the country, the removal of sludge from the reservoir is an important issue to extend the life of the reservoir. How to deal with sludge is even more critical. Previous studies have used a new generation of inorganic polymer materials as cement to enhance the performance of alumina bricks, but their strength is still less than that of high-pressure bricks. If the concept of making high-pressure bricks can be combined with the bonding reaction of inorganic polymeric materials, there is a chance to achieve the goal of recycling the muddy reservoir.
In this study, the reservoir sludge was added to the inorganic polymerization liquid to mix the slurry, and the test body was prepared by compaction to test the compressive strength and other properties. Although the result is not satisfactory, it also has a strength of about 50 kgf/cm2 or more. If a small amount of solid matter is replaced by hearth powder, its 28-day average compressive strength can reach 243 kgf/cm2, which exceeds the CNS specification of two bricks with a strength of 200 kgf/cm2. In terms of the overall results obtained, different properties can be used for different applications, and it is a beginning for the consumption of reservoir sludge waste.
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Tai, Chien-Hsiung, and 戴建雄. "A Study on Guide Brick Recognition Using Vision-Based Techniques." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/50407112750221244458.
Full textAbstract:
碩士<br>國立交通大學<br>電機與控制工程系<br>87<br>The guide brick is an important guidance for the blind people. The blind people are guided only by touching these guide bricks which consist of much information. A vision-based system proposed in this thesis can support autonomous guide brick recognition and information extraction. The system is developed for complex scenes, such as sidewalks, and for various outside conditions, such as weather, lighting and occlusion. There are three major stages for this system: image preprocessing, recognition, and information extraction. In the preprocessing stage, the images are divided up into meaningful regions or
not. Next, the recognition stage is to extract the parts of the guide bricks by using a classifier to classify the regions. Finally, some useful information can be estimated from these parts of the guide bricks. Experimental results are provided to demonstrate the proposed scheme with good performance.
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Ye, Yu-Ying, and 葉郁瑩. "Characterization of Oil Based Diffusion Material in Mortar and Brick." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/74373804049866815677.
Full textAbstract:
碩士<br>雲林科技大學<br>營建工程系碩士班<br>98<br>Based on Fick’s diffusion law, diffusion of oil based liquid material in mortar and brick is analyzed. Experiment was conducted to obtain the data of diffusion depth versus diffusion duration under different environmental conditions.
Neumann’s modification for advancing model is applied to analyze the data to obtain the diffusivity and Neumann’s constant, which are critical to evaluation of diffusion rate and speed of the diffusion material in the medium.
The result is to be used in qualifying diffusion material for the technique of improving the moisture resistance of brick wall of structure.
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Chen, Chong-Tai, and 陳崇泰. "Performance-Based Earthquake Assessment of Reinforce Concrete Buildings with Brick Wall." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/28656495190006152673.
Full textAbstract:
碩士<br>中原大學<br>土木工程研究所<br>90<br>Abstract
The aim of this thesis is to evaluate and discuss the seismic response of five stories, ten stories and twenty stories reinforced concrete buildings with and without filled brick walls. There are three kinds of analytical frames in each building, such as bare frame (B.F frame), center-filled brick wall frame (C.F frame) and the frame without brick walls filled in first story level (W.S frame). The brick wall is modeled as the equivalent truss member. The nonlinear static pushover analysis is used in SAP2000 analytical software and it is compared with the distribution of plastic hinges, the story drift ratio of each story level and the influence of brick walls on resisting the seismic force when analytical frames under an earthquake. Also, the seismic assessment criterion of Vision 2000 is employed to judge the using status of them. The analytical result reveals that the strength of frames with brick walls in resisting seismic force and story drift ratio will decrease with the increasing story level. As for the weak story effect, the story drift ratio of W.S frame is greater 3.4 times than which of C.F frame in five stories building. The result of ten stories building is about 1.4 times, and it doesn’t have apparent change in twenty stories one. Moreover, the result of other analytical frames conform the evaluation criterion approximately, but the story drift ratio of base story level of W.S frame in five stories building exceeds the limit value and it will need to be strengthened.
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Ηλιόπουλος, Δημήτριος. "Θεσμικό πλαίσιο και τεχνολογική ανάπτυξη : BRICs & οικονομία της γνώσης". Thesis, 2012. http://hdl.handle.net/10889/5209.
Full textAbstract:
Στην παρούσα μελέτη αξιολογήθηκε η προσπάθεια των αναπτυσσόμενων χωρών του
συνόλου BRIC, στην πορεία μετάβασής τους προς τις «Οικονομίες της Γνώσης». Πρόκειται
για τέσσερις από τις μεγαλύτερες οικονομίες του πλανήτη, που στο μέλλον αναμένεται να
διαδραματίσουν κρίσιμο ρόλο στις παγκόσμια οικονομική σκηνή. Οι αγορές όλων τους είναι
υπερμεγέθεις, με την μεγαλύτερη από αυτές την Κίνα, να απαριθμεί 1,3 δισεκατομμύρια
ανθρώπους και να έχει γεωγραφικά διαμερίσματα με πληθυσμό μεγαλύτερο ακόμα και από
τις μεγαλύτερες ευρωπαϊκές χώρες. Η αξιολόγηση των χωρών έγινε στην βάση των
τεσσάρων πυλώνων των «Οικονομιών της Γνώσης»: i) Πληθυσμός με υψηλό μορφωτικό
επίπεδο και ικανότητες, που θα αξιοποιήσει παραγωγικά και θα εξελίξει τη Γνώση, ii)
αποτελεσματικό σύστημα καινοτομιών, που θα αποτελέσει την υποδομή για τον
σχηματισμό ενός δικτύου φορέων Ε&Α, iii) υποδομή δυναμικής πληροφόρησης, που θα
διευκολύνει αποτελεσματικά την ενημέρωση και διάδοση της Γνώσης και iv) οικονομικό και
οργανωσιακό καθεστώς, που θα παρέχει τα απαραίτητα κίνητρα για τη δημιουργία,
ανάπτυξη και αποτελεσματική χρήση της Γνώσης. Μέσα από την μεταξύ τους σύγκριση
συναντήσαμε σημαντικές διαφορές σε πολλά από τα στοιχεία που απαρτίζουν τον κάθε
πυλώνα. Κάθε μία, όμως, από τις χώρες BRIC κατόρθωσε να παρουσιάσει σημεία
σημαντικής προόδου. Αποδείχτηκε, πως μολονότι αξιοποιούνται διαφορετικά μέσα και
δοκιμάζονται εναλλακτικές προσεγγίσεις, ο δρόμος για την ανάπτυξη των αναδυόμενων
οικονομιών BRIC είναι κοινός. Αυτός της Οικονομίας της Γνώσης.
Ολοκληρώνοντας την ανάλυση, διαπιστώνεται ότι πολλά από τα συμπεράσματα της
μελέτης θα μπορούσαν να έχουν γενικότερη εφαρμογή, πλαισιώνοντας έναν μεγαλύτερο
αριθμό αναπτυσσόμενων ή ακόμα και ανεπτυγμένων χωρών. Με την κατάλληλη
προσαρμογή στις κοινωνικές, θεσμικές και οικονομικές συνθήκες της κάθε χώρας, τα
συμπεράσματα αυτά θα μπορούσαν να αποτελέσουν τον δεκάλογο της επιτυχούς
μετάβασης μιας χώρας σε μία Οικονομία που βασίζεται στη Γνώση<br>This study evaluated the efforts of the "BRIC" developing economies, in their transition towards a "knowledge-based economy". The evaluation was based
on the four pillars of the "knowledge-based economy»: i) Population with higher education
and skills for the creation and development of knowledge, ii) an effective innovation system and an efficient R&D network, iii) a dynamic information infrastructure that will
facilitate information and knowledge dissemination effectively and iv) an economic and organizational regime, which will provide the necessary incentives for the creation, development and effective use of knowledge. Through the comparison between them, significant differences emerge in many of the elements that comprise each pillar. However, each one of the BRIC countries has shown signs of significant progress. Despite all differences in their approaches, we have seen that the road to development runs through a knowledge-based economy. Many of the conclusions of this study could have broader applications to a larger number of developing or even developed countries. With the proper adaptation to social, institutional and economic conditions of each country, these findings could form the decalogue of a country's successful transition to knowledge-based economy.
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Ke, Hsing-Yu, and 柯星妤. "The Hedging Performance for BRICS Futures─A Copula-based GJR-GARCH Model." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/qu5f68.
Full textAbstract:
碩士<br>淡江大學<br>財務金融學系碩士班<br>101<br>In recent years, BRICS have become vital sources of growth in the global economy by the advantage of the natural resources and labor force. Derivatives products of BRICS market are favored by investors, including stock index futures are listed on the BRICS Exchanges, provide a good hedging tool for stock holders. The focus of this paper is how to conduct an effective hedging.
The main data for empirical study consists of the IBOVESPA index, the RTS index, the S & P CNX NIFTY index, China Securities Index 300 (CSI 300) index and FTSE/JSE Shareholder Weighted Top40 index spots and futures. This paper uses copula-based GJR-GARCH models for the estimation of the optimal hedge ratio and compares their effectiveness with that of other hedging models, including the conventional static, the constant conditional correlation (CCC) GJR-GARCH, and the dynamic conditional correlation (DCC) GJR-GARCH models. The empirical results show that in both the in-sample and out-of-sample tests, the copula-based GJR-GARCH models perform more effectively than OLS model, except for CSI 300 index.
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Huynh, Trong-Phuoc, and 黄重福. "Study on the Production of Eco-friendly Construction Brick Based on Geopolymerization." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/39525672096757528200.
Full textAbstract:
碩士<br>國立臺灣科技大學<br>營建工程系<br>102<br>With the objectives of reducing the negative impacts on environment and utilizing of waste materials, the possibility of producing eco-friendly construction bricks by using fly ash (FA) and rice husk ash (RHA) with applying geopolymerization combined with Densified mixture design algorithm (DMDA) method was investigated in the present study. There are two main stages of experimental programs, which are named as geopolymer paste development and eco-friendly construction bricks production, in this investigation. It was noticed that all geopolymer paste specimens and brick samples were kept in the same curing conditions for these stages. In the first stage, geopolymer paste specimens of 50 × 50 × 50 mm in size were prepared. The effect of various parameters such as liquid-to-solid (L/S) ratio, sodium hydroxide (NaOH) concentration, sodium silicate (Na2SiO3) dosage and RHA amount on the compressive strength of the specimens at different ages was investigated in this stage. Whereas, in the second stage, eco-friendly construction bricks in size of 220 × 105 × 60 mm were prepared for the tests of dimensions and visible defects, compressive strength, flexural strength, water absorption, bulk density and void volume to evaluate the hardened properties of brick samples. In this stage, especially, unground rice husk ash (URHA) was used as a partial replacement of natural sand in the mixtures and forming pressure was applied to form the solid bricks in the steel mold.
From the test results of geopolymer paste specimens, the optimum conditions were found to be that the L/S ratio was 0.37, NaOH concentration was 10M, RHA amount was 40% weight of binder and compressive strength was increased corresponding to the increase in Na2SiO3 dosage from 10% to 25%. By following these conditions for the bricks production stage, the compressive strength, flexural strength and water absorption of the bricks without URHA added were respectively in range of 29.31 – 31.46 MPa, 5.19 – 6.91 MPa and 8.83 – 10.11% and the other properties of the bricks were well conformed to Vietnamese Standard (TCVN 1541:1998). It was found that the addition of URHA in the mixture caused the decrease in mechanical strength as well as in other properties of the bricks. In summary, the test results clearly indicated that all brick samples had very good mechanical properties and durable performance that were much better than the requirements of TCVN 1451:1998. It was definitively proved many possible applications of FA and RHA in the production of eco-friendly construction bricks.
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Liao, Ching-Kuei, and 廖清桂. "Design of an FPGA-Based Automotive Robot for the LEGO Brick Classifier." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/30519562552820212054.
Full textAbstract:
碩士<br>中華大學<br>電機工程學系(所)<br>98<br>Robot industry is combined with mechanism, automation, electric machinery,
electronic, information software, communications and originality contents relative
technology…etc. It is a star industry of high technique integration and high added value.
In recent year, it has numerous service robots been made and designed for conduct,
companion, entertainment and interaction continually. The service robots and human
interact frequently in daily life. We expected that the robot will go into the family
environment and will become a member of common people. Therefore, the automotive
robot will become much more important position in this industry. Hence, my thesis is
made design of an FPGA-based automotive robot for the LEGO brick classifier. Its
framework includes LEGO brick structure, two sets of DC motor and a color sensor
with software module which the LEGO brick structure is necessary for mechanism, and
the robot’s power source is came from these two sets of DC motor. The color sensor is
ingredients of monomer camera lens, color chip and two white LEDs which are used for
color brick identification. Finally, the Verilog HDL is used to implement the control
program. In fact, the design of an FPGA-based automotive robot for the LEGO brick
classifier did accomplish the expected target from the experimental results real-time.
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Wei, Shao Yuan, and 邵元蔚. "How experiential value affects flow – Study based on online and brick and mortar bookstores." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/kftn3x.
Full textAbstract:
碩士<br>國立勤益科技大學<br>企業管理系<br>105<br>As the income level has increased steadily over the past decades, consumers have started to show tendency to purchase things, not they need, but they desire. In order to attract customers and raise their willingness to buy, business owners focus on product appeals and create a shopping environment that provides entertainment and intrinsic enjoyment, experiential shopping has then emerged. Besides that, with the advancement of informational technology, people are able to start their businesses online at a lower cost, anytime, anywhere, resulting in more competition among retailers. Price comparability and home delivery provides time efficiency and great convenience causing consumers to turn to online shopping, further threatening the survival of brick and mortar stores. This study examined six experiential values to find out which can successfully enhance patronage intention, then further investigate whether patrons have gone into flow based on their experience. Also if the experiential values stimulate repurchase intention and positive word-of-mouth. The study surveyed consumers repurchase at bookstores and used Amos to conduct Structural Equation Model analysis, in order to understand the relationship between different aspects. Lastly, using Chi-square difference test to investigate experiential differences between the two channels. The result shows all six experiential values have significant impact on flow and affect repurchase intention. Chi-square difference test reveals that the significant difference between online shopping and the other is aesthetics and service excellence; the rest show no difference between the two channels.
This study can provide a conceptual framework for bookstore owners in different channels to self-reflect if they are lacking any experiential values, improve customers’ shopping experience in order to increase their loyalty which shall then boost the business.
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Hinckley, Megan. "A marriage enrichment program based on the Myers-Briggs Type Indicator." Thesis, 2012. http://hdl.handle.net/10210/5777.
Full textAbstract:
M.A.<br>The divorce rate in South Africa has reached alarming proportions. In 1994 alone, 29 878 divorces were reported in South Africa, and a total of 38 367 children were traumatised by these divorces. Despite this, most people still marry, or want to marry. Marriage is one of the most important and meaningful relationships we can have as human beings. It enriches our lives and provides fulfillment and companionship. Many couples entering into the marital relationship are not aware of the demands of marriage, and especially of the demands of modern marriages where marital roles are new and different. Marriage enrichment is a movement to help couples.to respond to these demands. Enrichment programs teach partners interpersonal skills and build empathetic respect between individuals within the marital relationship. Although there are many marriage enrichment programs currently in use, there seems to be not one in South Africa that is based on the concepts of personality type differences. The aim of this study was to develop a marriage enrichment program based on the concepts of personality type, as indicated by the Myers-Briggs Type Indicator (MBTI). The focus was to educate couples in personality type differences, thereby creating self-awareness and awareness of others, and enabling them to better understand themselves and their spouses. The program was designed and developed and then trial-tested on two groups of volunteers consisting of two couples in each group. Feedback received yielded positive results, and the participants found the program to be useful and valuable in their own relationships.
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LIN, ShiouJen, and 林秀貞. "Determinants of Consumer’s Switching Behavior on Purchasing from Web-based Stores to Brick-and-mortar Stores." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/95518394098545592994.
Full textAbstract:
碩士<br>大葉大學<br>管理學院碩士在職專班<br>100<br>With the increasingly intensive establishment of online stores, consumers’ shopping selection is getting more diversified. There are significant differences between physical stores and online stores and they compete and cooperate (coopetite) with each other. If online stores can not provide a satisfactory shopping quality, consumers are very likely to switch purchasing from online stores to physical stores; therefore, exploring the reasons of why shoppers switch to purchase in physical stores has become the issue which online stores first need to understand for keeping customers stay. This study is based on Theory of Planed Behavior to explore the determinants of affecting online shoppers’ switching to purchase in physical stores. Through using printed and online questionnaires to survey consumers who has actually purchased in real and virtual channels, a total of 283 valid questionnaires were collected. After adopted structural equation model to validate research hypotheses, the results revealed: (1) the process quality disconfirmation of online stores has a significant effect on consumers’ switching intention; (2) the service recovery disconfirmation of online stores has a significant effect on consumers’ switching attitude; (3) service recovery disconfirmation affect consumers’ switching intention through switching attitude; (4) switching cost reversely affects consumers’ switching intention; (5) neither Internet word of mouth nor interpersonal word of mouth will affect consumers’ switching intention. According to abovementioned findings, this study provides practical recommendations for references of e-commerce industry on improving service quality to keep customers stay.
Keywords: switching intention; switching attitude; switching cost; service quality
disconfirmation,Internet word of mouth; service recovery disconfirmation
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Sykes, PK. "Translating evidence into practice : a case study on the prevention of venous thromboembolism using the Joanna Briggs Institute model of evidence-based health care." Thesis, 2015. https://eprints.utas.edu.au/23206/2/Sykes_whole_thesis.pdf.
Full textAbstract:
Getting the best available evidence into daily routine practice at the bedside is necessary to benefit patients and health care budgets. Easily understood and ready available synthesised evidence is not sufficient on its own, it also requires evidence-based knowledge translation strategies and interventions that take into consideration all levels and aspects within the organisation. The science on knowledge translation is still evolving with a multitude of theories, frameworks and models being postulated.
Review and comparison of three translation research methodologies are described in this study. The rationale for selecting the Joanna Briggs Institute (JBI) model of evidence-based health care in a practical case study on the prevention of venous thromboembolism (VTE) in an acute tertiary referral teaching public hospital is provided. A planned and systematic approach to the implementation of best practice on this topic was undertaken utilising the JBI on-line resources and action research methodology. This required careful consultation and collaboration with senior clinicians by credible change agents, the provision of evidence and data relevant to individual specialties, the implementation of change strategies addressing individual, group and organisational barriers, and measuring the effectiveness and impact of changes over time.
Lessons learnt from this process not only inform the study hospital on the effectiveness of the selected knowledge translation method but also contribute to the conversation within the scientific literature through the publication of three papers. The key publication describes the practical case study using the JBI implementation model and is accompanied by two further papers that provide examples of knowledge that have evolved from two of the action research cycles. These describe the use of computerised clinical decision support systems as an aid to knowledge translation and how a consumer focus group informed the production of a patient education video.
This study is an important critique of the JBI model for evidence-based health care and its applicability for continued use in the study hospital as a feasible, appropriate, meaningful and effective model for evidence implementation. The JBI model is a conceptual framework that incorporates four integral and interdependent components: evidence generation; evidence synthesis; evidence/knowledge transfer; and evidence utilisation. The evidence utilisation component of the JBI model relates to the implementation of evidence into practice and reflects a planned action model. It provides a frame of reference for organised thinking and a structured and logical step-by-step progression through the planned action phases, underpinned and guided by the on-line resources. Improvements in compliance with three of the four evidence-based audit criteria were observed in the initial action cycle. The variable success was not attributed to a failure in the JBI model but was contributed to by contextual and logistical barriers mostly identified at the organisation level.
The study hospital has a proven commitment to the implementation of evidence-based practice and translational research. Current and previous activities using the JBI model, coupled with the small, but growing, number of staff with training and/or experience in using the JBI tools, has seen a growing recognition and support for the model within the organisation. The JBI model is a feasible, appropriate, meaningful and effective method for evidence utilisation, subject to ongoing funds. The intended application of the study hospital to qualify as a JBI collaborating centre and ultimately to gain internationally recognised JBI endorsement, places the study hospital on a clear pathway to improving patient and health/systems outcomes and bridging the evidence-practice gap.
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TSANG, YU-HSUAN, and 臧又萱. "Integrating Web-Based Instruction brings the new Potential and Transformation of Visual Art Teaching : A Case Study in Junior High School." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/19393106604411562475.
Full textAbstract:
碩士<br>國立花蓮教育大學<br>視覺藝術教育研究所<br>95<br>This study aims to explore the advantages of integrating the web into instruction, in its ability to bring a new potential to, and a transformation of visual art teaching. A case study on visual art teaching in a junior high school is the setting for this study. The data was analyzed and discussed through classroom observations, interviews of teachers and students, and related documentation. It is hoped that the level of effectiveness in using web-based instruction in visual art education, along with an assessment of a visual teacher’s acceptance and necessary transformation in the teaching role of resulting from this new teaching approach, can be determined. In assessing the effectiveness of web instruction tools in visual art education, this study examined:（1）the integration of visual art education teaching resources;（2）the offering of a interactive space for visual art teaching;（3）the offering of a demonstration space for visual art homework;（4）the development of appropriate evaluation tools for visual art education;（5）the expanding of visual art teaching content; and（6） the elimination of the previous limitations on the outdoor visual art teaching. In addition, the adjustments and reconsiderations that visual art teachers need to adopt in integrating web-based instruction include the following four aspects. Firstly, in teaching practice, teachers need to take account of the importance of creating additional teaching plans, adjustment of teaching time, developing teaching strategies, and students’ ability in web-based learning. Secondly, the traditional teachers’ role has to be extended to the role of “web-teacher”, in terms of a transformation from lecturers to consultants. Thirdly, in interactions between teachers and students, teachers must change their role from instructors to sharers, from oral communicators to written communicators, and from real-life context to Internet space. Fourthly, in regards to teaching philosophy, teachers need to reconsider the advantages, as well as the limitations, in integrating web-based instruction, and regard web and technology to art impact.
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Herath, Mudiyanselage DD. "Sonar image based advanced feature extraction and feature mapping algorithm for under-ice AUV navigation." Thesis, 2018. https://eprints.utas.edu.au/28587/1/Herath_Mudiyanselage_whole_thesis.pdf.
Full textAbstract:
Navigation and localisation of AUVs are challenging in underwater or under-ice environments due to the unavoidable growth of navigational drift in inertial navigation systems and Doppler velocity logs, especially in long-range under-ice missions where surfacing is not possible. Similarly, acoustic transponders are time consuming and difficult to deploy. Terrain Relative Navigation (TRN) and Simultaneous Localisation and Mapping (SLAM) based technologies are emerging as promising solutions as they require neither deploying sensors nor the calculation of distance travelled from a reference point in order to determine the location. These techniques require robust detection of the features present in sonar images and matching them with known images. The key challenge of under-ice image based localisation comes from the unstructured nature of the seabed terrain and lack of significant features. This issue has motivated the research project presented in this thesis. The research has developed technologies for the robust detection and matching of the available features in such environments.
In aiming to address this issue, there are number of feature detectors and descriptors that have been proposed in the literature. These include Harris corner, Scale-Invariant Feature Transform (SIFT), Binary Robust Invariant Scalable Keypoints (BRISK), Speeded-Up Robust Features (SURF), Smallest Univalue Segment Assimilating Nucleus (SUSAN), Features from Accelerated Segment Test (FAST), Binary Robust Independent Elementary Features (BRIEF) and Fast Retina Keypoints (FREAK). While these methods work well in land and aerial complex environments, their application in under-ice environments have not been well explored. Therefore, this research has investigated the possibility of using these detector and descriptor algorithms in underwater environments. According to the test carried out with side-scan sonar images, the SURF and Harris algorithms were found to be better in repeatability while the FAST algorithm was found to be the fastest in feature detection. The Harris algorithm was the best for localisation accuracy. BRISK shows better immunity noise compared to BRIEF. SURF, BRISK and FREAK are the best in terms of robustness. These detector and descriptor algorithms are used for a wide range of varying substrates in underwater environments such as clutter, mud, sand, stones, lack of features and effects on the sonar images such as scaling, rotation and non-uniform intensity and backscatter with filtering effect. This thesis presents a comprehensive performance comparison of feature detection and matching of the SURF, Harris, FAST, BRISK and FREAK algorithms, with filtering effects. However, these detectors and descriptors have reduced efficiency in underwater environments lacking features. Therefore, this research further addressed this problem by developing new advanced algorithms named the ‘SURF-Harris’ algorithm, which combined Harris interest points with the SURF descriptor, and the ‘SURF-Harris-SURF’ algorithm which combined Harris and SURF interest points with the SURF descriptor, using the most significant factor of each detector and descriptor to give better performance, especially in feature mapping.
The major conclusion drawn from this research is that the ‘SURF-Harris-SURF’ algorithm outperforms all the other methods in feature matching with filtering even in the presence of scaling and rotation differences in image intensity. The results of this research have proved that new algorithms perform well in comparison to the conventional feature detectors and descriptors such as SURF, Harris, FAST, BRISK and FREAK. Furthermore, SURF works well in all the disciplines with higher percentage matching even though it produces fewer keypoints, thus demonstrating its robustness among all the conventional detectors and descriptors. Even if there are a large number of features in a cluttered environment, it produces less matching compared to features that are distributed. Another conclusion to be derived from these results is that the feature detection and matching algorithms performed well in environments where features are clearly separated. Based on these findings, the comprehensive performance of combined feature detector and descriptor is discussed in the thesis. This is a novel contribution in underwater environments with sonar images. Moreover, this thesis outlines the importance of having a new advanced feature detector and mapping algorithm especially for sonar images to work in underwater or under-ice environments.
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Kelly, Ami-Lee. "The influence employee personality type has on employee and organisational outcomes." Thesis, 2018. http://hdl.handle.net/1959.13/1388115.
Full textAbstract:
Professional Doctorate - Doctor of Business Administration (DBA)<br>This study examines the influence employee personality type has on employee and organisational outcomes at one of Australia’s largest financial-services organisations. It is specifically focused on knowledge-based workers who are employed in productivity-centred roles. In the banking and finance industry, the products on offer are a commodity, as customers can obtain the same products and services from each of the main providers, and there is no difference between them from a functionality perspective. So, the one differentiator is the competitive advantage that sets an organisation apart from the next. With every organisation chasing that competitive advantage, companies need to become more creative in how they ascertain that ever-priceless competitive advantage. One of the ways of obtaining competitive advantage is through the implementation and management of an organisation’s talent pipeline. Companies need to determine ways to attract and recruit the best people to help set their business apart from the rest, and, used correctly, the right personality profiling coupled with effective knowledge-based productivity and application of high-performance work systems can be factors that can set a company apart from its competition. Personality profiling is a tool that has been around for some time. Personality profiling provides individuals with insightful information about their preferences and, ideally, tasks they enjoy and do not enjoy. If used correctly, personality profiling can provide insights into how to get the best out of an individual in many different settings. This study has focused on Myer’s Briggs personality profiling (MBTI) as the preferred tool, as the Myer’s Briggs instrument has been around since the early 1920s, it provides 16 different personality types that reflect the entire population and it is detailed enough, but also concise in nature, to accurately reflect the entire population. It is also widely used by business. Historically, productivity has been grounded in the manufacturing or the operational environment, however, in recent times, companies have seen an increased demand for productivity in the knowledge-based environment. The literature tells us that, for organisations to survive in today’s tough market, an organisation needs to know how to use its resources and productivity to differentiate itself, as this differentiation can be the key to competitive advantage. Previous research has argued that organisations need to increase the productivity of knowledge work and knowledge workers, as the demand for employees with an academic education has greatly increased and is still on the rise. This study has reviewed and analysed the concept of high-performance work systems (HPWS), which is said to be the logical focus for building and maintaining competitive advantage. HPWS is underpinned by the Ability, Motivation and Opportunity (AMO) model. Simply put, Ability is the idea that employees will perform because they possess the necessary knowledge and skills to do so. Motivation is that employers need to build the right environment, as the right environment will see employees perform because they are motivated to do so and, finally, by creating an environment which focuses on Opportunity for employees, which is the notion that if the work structure and environment provides the necessary support, then employees will use it. The critical review of the literature has guided the research in the identification of the theoretical framework to examine the research problem, the related research questions and the development of seven groups of associated hypotheses. Adopting a positivist, quantitative research method and approach, a self-administered online survey instrument was developed. The online survey was promoted via e-mail to the productivity community at one of Australia’s largest financial-services organisation, with 288 responses received. After data cleaning and screening, a total of 263 responses were deemed usable for analysis. Respondents were typically full-time employed (91%) and female (55%). The average age (and mode at 42%) was the 36-45-year-old category, most of the sample respondents were university educated (Bachelor qualified 42%, Masters/Doctorate 23%) and had been with the organisation 6-10 years on average. Regarding productivity aspects, most respondents (83%) were Green Belt qualified and had been at that level for several years on average, and most (62%) respondents had an active productivity project at the time of data collection and 76% had completed 2+ productivity projects in their career (33% had completed 6+ productivity projects). Accordingly, the sample was deemed suitable for the purposes of the research. There were several different tests used to understand the relationships and whether there were interactions between the different variables, which included descriptive statistics, chi-square analysis, ANOVA and hierarchical multiple regression analysis. The tests showed that in most of the relationships between the dependent and independent variables relationships were present. Specifically, there were supported relationships seen between MBTI and Ability, MBTI and Motivation and MBTI and Opportunity. In addition, there were partially supported relationships seen between MBTI and organisational citizenship behaviours (OCB), MBTI and affective organisational commitment (AOC) and MBTI and productivity, specifically task enjoyment, which was linked to satisfaction and duration. The findings lead to both theoretical and practice-related implications. Theoretical implications include the contribution of the study to the productivity domain, as operational definitions and terms of operation have now been developed for a highly complex and poorly investigated topic. Next is the contribution to the knowledge-based productivity methodology, which will pave the way for future research through growth and evolution of the productivity domain. The final contribution is to the HPWS domain, coupled with personality profiling and productivity, providing the start of a new stream of research that will allow future researchers the ability to evolve the research domain. Practical implications include the recommendation of a formal community of productivity experts and a means for communication and future talent management, along with defined roles and responsibilities for productivity-based knowledge workers. This can be followed by the development of a mechanism for talent pipeline management through a threefold model that will help manage recruitment and career progression and lastly business knowledge and understanding concerning organisation competitive advantage.
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Myatt, Emily Laura. "Effect of Learning Preference on Performance in an Online Learning Environment among Nutrition Professionals." Thesis, 2014. http://hdl.handle.net/1805/5516.
Full textAbstract:
Indiana University-Purdue University Indianapolis (IUPUI)<br>Background: Online courses in healthcare programs like Dietetics have increased in availability and popularity.
Objective: The purpose of this study was to investigate the connections between online learning environments and Myers-Briggs Type Indicator (MBTI) dimensions among Nutrition Professionals. This research will add to the knowledge base of educators responsible for the design and development of online nutrition courses and will enhance Nutrition Professionals’ academic and professional outcomes.
Design: Semi-experimental study design.
Subjects/Setting: Thirty-one Nutrition Professionals with mean age of 29 years old. All elements of the study were done online.
Statistical Analysis: MBTI dimension summaries were done for descriptive statistics. Fisher’s Exact Test was used to compare frequency of MBTI dimensions in the learning modules (LM) and to analyze learning modality preference based on MBTI dimensions. Two-Sample T-Tests compared test scores for LM groups and test scores for extraverts and introverts. Paired T-Test assessed improvement in test scores related to LM preference. Chi-Square Test compared preferences for the second learning module for both LM groups.
Results: The majority of participants’ MBTIs were ESFJ at 35% or ISFJ at 19%. There were more extraverts (71%) compared to introverts (29%). Both LM groups had similar MBTI dimensions. Extraverts and introverts had similar improvements in scores and LM preferences. LM groups performed similarly and in general participants preferred the second learning module they were assigned. Preference for the second LM could be because participants enjoyed the first LM and wanted to learn more information. Both LM groups significantly improved their scores (P=<.0001) in their first and second learning modules regardless of learning module design. Participants were highly motivated to learn as evidenced by their enrollment in this study and completion of 10 hours of learning modules. Motivation to learn may have been the strongest reason performance significantly improved.
Conclusion: LM groups significantly improved their LM scores and learned similar amounts. MBTI dimensions extravert and introvert and preferred learning modality had limited impact on performance for this sample of Nutrition Professionals. These results indicate that motivation may be the key to increasing performance in online nutrition courses.
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Lapointe, Émilie. "Examen des contributions d’une approche relationnelle de la socialisation organisationnelle." Thèse, 2013. http://hdl.handle.net/1866/10352.
Full textAbstract:
Tant auprès des chercheurs que des praticiens, la socialisation organisationnelle semble représenter un sujet d’intérêt à l’heure actuelle (Fang, Duffy, & Shaw, 2011). Dans cette lignée, la présente thèse cherche à approfondir notre compréhension de la socialisation organisationnelle, afin d’en dresser un portrait plus complet et étayé, mais aussi d’y arrimer des pratiques porteuses pour les organisations et leurs employés. Plus précisément, les aspects relationnels inhérents au vécu des nouveaux employés, largement ignorés à ce jour dans la documentation (Ashforth, Sluss, & Harrison, 2007), sont examinés à partir de données recueillies à trois temps de mesure distincts auprès d’un échantillon de 224 nouveaux employés.
Avec comme point de départ la théorie de l’échange social (Blau, 1964) et le concept de confiance affective (McAllister, 1995), le premier des deux articles qui composent la thèse démontre que, par rapport aux approches dites classiques (i.e., exprimant une vision cognitive de la socialisation organisationnelle), une approche relationnelle de la socialisation organisationnelle permet de mieux rendre compte du lien psychologique qui s’établit entre les nouveaux employés et l’organisation, alors que les approches cognitives classiques sont davantage explicatives de la performance des employés. Les deux approches semblent donc complémentaires pour expliquer l’adaptation des nouveaux employés.
Le second article s’appuie sur la démonstration effectuée dans le premier article et cherche à approfondir davantage les aspects relationnels inhérents au vécu des nouveaux employés, de même que leur influence sur l’adaptation de ces derniers. À cette fin, la théorie de la conservation des ressources (Hobfoll, 1989) est considérée et l’engagement affectif (Meyer & Herscovitch, 2001) est mis de l’avant comme concept focal. Les résultats suggèrent que l’engagement affectif envers le supérieur compense pour un déclin de l’engagement affectif envers l’organisation, tel qu’il résulte d’un bris de la relation avec l’organisation. Les relations semblent donc, dans certaines circonstances, avoir une portée qui dépasse leurs protagonistes directs.
La présente thèse démontre donc que les aspects relationnels inhérents au vécu des nouveaux employés ont une influence distincte, prépondérante et complexe sur leur adaptation en emploi. Ce faisant, elle s’insère dans un courant de recherche visant à remettre à l’avant-plan et mieux comprendre la sphère relationnelle dans les organisations (Ragins & Dutton, 2007). Les implications théoriques et pratiques qui en découlent seront discutées.<br>Both among researchers and practitioners, organizational socialization seems to be a topic of interest nowadays (Fang, Duffy, & Shaw, 2011). Along this line, the present thesis seeks to deepen our understanding of organizational socialization in order to provide a more complete and documented picture of it, but also to develop useful practices for organizations and their employees. Specifically, the relational aspects inherent to the experience of newcomers, largely ignored so far in the literature (Ashforth, Sluss, & Harrison, 2007), are examined using data collected at three points in time among a sample of 224 newcomers.
Using social exchange theory (Blau, 1964) as a background and the concept of affective trust (McAllister, 1995), the first of the two articles that comprise the thesis shows that, compared with conventional approaches (i.e., expressing a cognitive view of organizational socialization), a relational approach to organizational socialization can better reflect the psychological bond that is established between newcomers and organizations, while conventional approaches are more explanatory of employee performance. The two approaches thus seem complementary to explain newcomer adjustment.
The second article draws from the evidence reported in the first article and seeks to further deepen the relational aspects inherent to the experience of newcomers, as well as their influence on adjustment. To this end, conservation of resources theory (Hobfoll, 1989) is considered and affective commitment (Meyer & Herscovitch, 2001) is put forward as the focal concept. Results suggest that affective commitment to the supervisor compensates for a decline in affective commitment to the organization as resulting from a breach to individuals’ relationship with the organization. Relationships thus seem, under certain circumstances, to have an impact that goes beyond their direct protagonists.
This thesis therefore demonstrates that the relational aspects inherent to the experience of newcomers have a distinct, prevailing and complex influence on their adjustment. In doing so, it is part of a research stream that tries to put forward and better understand the relational dynamics within organizations (Ragins & Dutton, 2007). Theoretical and practical implications will be discussed.