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576 Matching Results
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Influence of executive function on medication adherence in neurologically impaired and non-impaired elderly.
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Medication non-compliance has become one of the most prevalent reasons for hospitalization and doctor's visits by the elderly. As the elderly population is more likely to have decreased cognitive abilities, it is suggested that neuropsychological factors, especially executive function, are more influential in medication non-compliance than once thought. This study looked at executive function performance on a traditional battery of neuropsychological tests, self-report of perceived ability to perform executive function tasks, and the newly developed Pillbox Test, a performance based IADL measure. The Pillbox Test is designed to replicate a type of medication-management specific IADL as a means to asses executive function. Standard executive function measures only tap a portion of executive function, but it is believed that the Pillbox Test incorporates all four theoretical domains of executive function. The multiple measures of executive function performance were compared in three prevalent subgroups of the elderly population (mixed neurological group, cardiac medical-control group, and healthy community-control group). Results found significant differences, where the community-control and cardiac groups outperformed the mixed neurological group on the large majority of executive function tasks. Smaller differences were also noted between the community-control and cardiac groups and between the cardiac and mixed neurological groups. Together, these …
Date:
August 2006
Creator:
Zartman, Andrea Leigh
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Instructional Effectiveness of an Integrated Holistic Teaching Method of German Language at the Community College Level
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The propose of this study was to determine the effectiveness and appropriateness of the integrated holistic method for teaching grammatical structure, cultural norms and behavior, writing and listening skills to beginning German language students. The study examined a sample of undergraduate students who were enrolled in the introductory college level German offered at the Collin County Community College, Spring Creek Campus in Plano, Texas. A total of 24 students participated in this study. This study utilized a pre- and posttest group to measure the instructional effectiveness of the integrated holistic teaching method. Structural grammar, cultural norms and behavior, writing, and listening skills were used as dependent variables. The holistic integrated teaching method were measured at the end of the course as independent variables. Individual pre- and posttests were used for each of the dependent variables. The higher posttest mean scores indicated significant improvement in student learning level in four major language skills such as structural grammar, cultural norms and behavior, writing, and listening through the holistic integrated teaching method.
Date:
August 2006
Creator:
Moosavi, Amir
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Interfacial Studies of Bimetallic Corrosion in Copper/Ruthenium Systems and Silicon Surface Modification with Organic and Organometallic Chemistry
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To form Cu interconnects, dual-damascene techniques like chemical mechanical planarization (CMP) and post-CMP became inevitable for removing the "overburden" Cu and for planarizing the wafer surface. During the CMP processing, Cu interconnects and barrier metal layers experience different electrochemical interactions depending on the slurry composition, pH, and ohmic contact with adjacent metal layers that would set corrosion process. Ruthenium as a replacement of existing diffusion barrier layer will require extensive investigation to eliminate or control the corrosion process during CMP and post CMP. Bimetallic corrosion process was investigated in the ammonium citrate (a complexing agent of Cu in CMP solutions) using micro test patterns and potentiodynamic measurements. The enhanced bimetallic corrosion of copper observed is due to noble behavior of the ruthenium metal. Cu formed Cu(II)-amine and Cu(II)-citrate complexes in alkaline and acidic solutions and a corrosion mechanism has been proposed. The currently used metallization process (PVD, CVD and ALD) require ultra-high vacuum and are expensive. A novel method of Si surface metallization process is discussed that can be achieved at room temperature and does not require ultra-high vacuum. Ruthenation of Si surface through strong Si-Ru covalent bond formation is demonstrated using different ruthenium carbonyl compounds. RBS analysis accounted for …
Date:
August 2006
Creator:
Nalla, Praveen Reddy
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Interorganizational Relationships: The Effects of Organizational Efficacy on Member Firm Performance
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Relationships between the collective actors within interorganizational relationships are a growing area of research in management. Interorganizational networks continue to be a popular mechanism used by organizations to achieve greater performance. Organizations develop competencies to work with other organizations, but the confidence of these organizations to use these strengths for a competitive advantage has yet to be empirically examined. The purpose of this study is to examine organizational efficacy, how competencies may related to that efficacy, and the relationship of efficacy with performance. The goal of this study is to observe the relationship among trust, dependence, information quality, continuous quality improvement, and supplier flexibility with organizational efficacy. In addition, the relationship between organizational efficacy and performance is also observed. There are two primary research questions driving this study. First, what is the relationship between trust, dependence, information quality, continuous quality improvement, supplier flexibility and organizational efficacy? Second, what is the relationship between organizational efficacy and performance? The theories supporting the hypotheses generated from these questions include theories such as social cognitive theory, quality improvement, and path-goal theory. Data collected from the suppliers of a large university support the hypotheses. Regression analysis and structure coefficients were used to analyze the data. …
Date:
August 2006
Creator:
McDowell, William C.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
"Is She Going to Die or Survive with Her Baby?": The Aftermath of Illegitimate Pregnancies in the Twentieth Century American Novels
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This dissertation is mainly based on the reading of three American novels to explore how female characters deal with their illegitimate pregnancies and how their solutions re-shape their futures and affect their inner growth. Chapter 1 discusses Dorinda Oakley's premarital pregnancy in Ellen Glasgow's Barren Ground and draws the circle of limits from Barbara Welter's "four cardinal virtues" (purity, submissiveness, domesticity, and piety) which connect to the analogous female roles (daughter, sister, wife, and mother). Dorinda's childless survival reconstructs a typical household from her domination and absence of maternity. Chapter 2 examines Ántonia Shimerda's struggles and endurance in My Ántonia by Willa Cather before and after Ántonia gives birth to a premarital daughter. Ántonia devotes herself to being a caring mother and to looking after a big family although her marriage is also friendship-centered. Chapter 3 adopts a different approach to analyze Charlotte Rittenmeyer's extramarital pregnancy in The Wild Palms by William Faulkner. As opposed to Dorinda and Ántonia who re-enter domesticity to survive, Charlotte runs out on her family and dies of a botched abortion. To help explain the aftermath of illicit pregnancies, I extend or shorten John Duvall's formula of female role mutations: "virgin>sexually active (called whore)>wife" to …
Date:
August 2006
Creator:
Liu, Li-Hsion
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Legacy of Purgatory: The Continuing English Eschatological Controversy
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This work examines particular attributes of the purgatorial phenomena from pre-Christian history of the Indo-European world to the Early Modern Period of England. An attempt has been made to identify and concentrate attention upon examples which provide the most significant and penetrating look into this evolution. For example, a portion of this paper attempts to determine just how widespread purgatorial customs were throughout England and the various types of community that supported these beliefs pre and post Reformation. By comparing life before and after the reigns of Henry and Edward a conclusion is reached that reveals the Protestant Reformation in England stripped the laity of a fundamental instrument they needed to support their religiosity and custom. This becomes evident in further years as some of those same customs and rituals that had been considered anathema by Protestants, slowly crept back into the liturgy of the new religion. Strong evidence of this is provided, with a strong emphasis placed upon late seventeenth and early eighteenth century death eulogies, with a section of this paper being devoted to the phenomena of the Sin-Eater.
Date:
August 2006
Creator:
Machen, Chase E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Overview and Performance Guide to Manuel Ponce's Sonata III for Solo Guitar
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Composed in 1927 and dedicated to Segovia, Ponce's Sonata III, one of the staples of the classical guitar repertoire, is the focus of this paper. To put this piece into proper perspective among Ponce's other works, biographical information leading up to the composition of the piece is presented first. Each of the three movements is then analyzed with regard to formal construction as well as harmonic and melodic language. Analysis is an important precursor to actually playing the piece, as Sonata III is a work that departs from Ponce's previous compositional style. The main portion of this paper addresses the preparation and interpretation of Sonata III. The insight gained through initial analysis of the piece is used to arrive at a musically satisfying interpretation of the work. Specific performance suggestions are included. Technical issues are addressed and possible solutions are presented. Alternate fingerings are provided to alleviate some of the common technical challenges the guitarist will encounter. A transcription and discussion of the Segovia revisions are also present. The paper concludes with general suggestions for improving performance that would be applicable to other works for guitar as well. This synthesis of biographical information, analysis, editorial options and performance suggestions, has …
Date:
August 2006
Creator:
Smith, Jay
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Pathophysiology and Racial/Ethnic Disparities in the Progression of Metabolic Syndrome
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Disparities exist in the U.S. between the health status of African American and Hispanic individuals and the health status of non-Hispanic Caucasian individuals across all age groups. Those minority individuals age 55 and over are more likely to suffer from specific health disparities in areas such as diabetes, heart disease, and cancer than their white majority counterparts. Among the most common chronic disorders experienced within this age group are obesity, type II diabetes and cardiovascular disease, all three of which collectively form what has recently become known as metabolic syndrome. As of 2004, metabolic syndrome is diagnosable once criteria are clinically significant for a variety of different risk factors designated by the World Health Organization. However, like many syndromes these criteria are not stable across individuals, and leaves variability between individuals being diagnosed. It has been seen that each of the above mentioned racial/ethnic groups experience the individual risk factors at disproportionate rates, making it plausible that metabolic syndrome could be experienced in distinctly different ways depending upon racial/ethnic background. Using two nationally representative data sets, it is first largely evident that African American and Hispanic individuals are reaching higher peak rates of diabetes and cardiovascular disease much earlier in …
Date:
August 2006
Creator:
O'Neill, Amy E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Prince Hall Freemasonry: The other invisible institution of the black community.
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The black church and Prince Hall Freemasonry both played important roles in the black experience in America. Freemasonry and the black church; one secular, the other spiritual, played equally important, interrelated roles in the way the black community addressed social, political, and economic problems in the eighteenth and nineteenth centuries.
Date:
August 2006
Creator:
Dunbar, Paul Lawrence
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Propensity for knowledge sharing: An organizational justice perspective.
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Converting individual knowledge into organizational knowledge can be difficult because individuals refuse to share knowledge for a number of different reasons. Creating an atmosphere of fairness plays an important role in the creation of a knowledge-sharing climate. This dissertation proposes that perceptions of organizational justice are crucial building blocks of that environment, leading to knowledge sharing. Data was collected using a field survey of IT managers representing a broad spectrum of the population in terms of organizational size and industry classification. The survey instrument was developed based on the adaptation of previously validated scales in addition to new items where no existing measures were found. Hypotheses regarding the influence of distributional, procedural, and interactional justice on knowledge sharing processes were tested using structural equation modeling techniques. Based on the theory of reasoned action, which states that attitudes and subjective norms are the major determinants of a person's intention, the hypotheses examining the relationship between attitude toward knowledge sharing, subjective norm and the intention to share knowledge were supported. However, results did not support the hypothesis exploring the relationship between the organizational climate and the intention to share knowledge. The results show that all three types of justice constructs are statistically …
Date:
August 2006
Creator:
Ibragimova, Bashorat
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Pursuit of Happiness: Struggling to Preserve Status Quo in Revolutionary Era Nova Scotia
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Following the Glorious Revolution in 1688, the British North American colonies interpreted Parliament's success in removing arbitrary governmental practices and establishing a balanced government as a victory for local representative government. Within these colonies, merchants secured their influence in local government in order to protect their profits and trade networks. The New England merchants that resettled in Nova Scotia in the 1750s successfully established a local government founded upon their rights as British subjects. The attempt by the British government to centralize the imperial administration in 1763 and the perceived threat of reintroducing arbitrary rule by Parliament was a direct threat to the colonial governmental system. Although Nova Scotia chose loyalism in 1775-1776, this decision did not stem from isolation or a differing political philosophy. In fact, it was their cultural and political similarities that led Nova Scotia and New England to separate paths in 1776. Nova Scotia merchants controlling the Assembly were able to confront and defeat attempts that threatened their influence in local politics and on the local economy. With the threat to their authority defeated and new markets opening for the colony, the Nova Scotia merchant class was able to preserve the status quo in local government.
Date:
August 2006
Creator:
Langston, Paul D.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A social capital perspective on IT professionals' work behavior and attitude.
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Abstract Attracting and developing information technology (IT) professionals is one of the top concerns for companies. Although much research has been conducted about the job behavior and attitudes of IT professionals over the last three decades, findings are inconclusive and contradictory. This suggests that something may be missing in how we examine this phenomenon. Most of this research is drawn from theories of motivation, very little examines the effect of social relationships on IT professionals' behavior and attitude. Yet, social capital theory suggests that job behavior and attitude may be greatly influenced by these relationships. This suggests that IT professionals' social capital warrants empirical examination. The primary research question that this dissertation addresses is how social capital affects IT professionals' work attitude and behavior including job satisfaction, organizational citizenship behavior, job performance and turnover intention. The research model in this dissertation examines the influence of three aspects of social capital on IT professionals' job attitude and work behavior: tie strength, the number of ties and the structural holes. Data were collected from 129 IT professionals from a range of jobs, organizations and industries. Results indicate that tie strength in the organization of an IT professional is positively related to job …
Date:
August 2006
Creator:
Zhang, Lixuan
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Stabat Mater of Herbert Howells: The Agony and the Ecstasy
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Herbert Howells composed three large works for chorus and orchestra: a requiem (Hymnus Paradisi), Latin mass (Missa Sabrinensis) and finally a Stabat Mater. Writings, performances and recordings of the Stabat Mater, however, have been few. As the Stabat Mater is believed to be the culmination of his musical prowess, it is important to bring this major work to light. Chapter 1 begins with a brief introduction to Herbert Howells, then continues as a brief biographical sketch. Howells's life is discussed from birth, as organ scholar, student at the Royal College of Music, his teaching professorship at the same institution, and important compositions by decade until his death. Chapter 2 is an overview of the Hymnus Paradisi and Missa Sabrinensis. The chapter gives historical information on each work, including reasons for commission, dates of composition and performance, orchestration and choral composition, type of soloists, conductor and recordings. Chapter 3 is an in depth study of the Stabat Mater. The chapter includes reasons for the genesis of the work, current and past events that affected the composition, musical influences, and the death of his son Michael Kendrick Howells. A second section to this chapter addresses the text of the Stabat Mater, including …
Date:
August 2006
Creator:
Childs, Kim J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Studies of spin alignment in ferrocenylsilane compounds and in regiospecific oxidation reactions of 1,9-dimethylpentacyclo [5.4.0.02,6.03,10.05,9]undecane-8,11-dione.
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Part I. The syntheses of a series of stable ferrocenylsilane compounds and their corresponding polyradical cations are reported. Electron spin properties of these molecules were investigated by cyclic voltammetry, ESR, and magnetic susceptibility measurements. All the compounds presented, showed significant electronic communication (>100 mV) between the redox centers by CV. Part II. Baeyer-Villiger oxidation of (1,9-dimethyl-PCU-8,11-dione) was performed using m-chloroperoxybenzoic acid in 1:2 molar ratios. The product obtained was the corresponding dilactone 113. The structure of the reaction products was established unequivocally via single crystal X-ray diffraction methods. The reaction of the 1,9-dimethyl-PCU-8,11-dione with 1:1 molar ratio of m-chloroperoxybenzoic acid produced again the dilactone 113, and not the expected monolactone 114. Ceric ammonium nitrate (CAN) promoted oxidation reaction of 1,9-dimethyl-PCU-8,11-dione afforded a mixture of dimethylated lactones, which indicated unique reaction mechanism pathways. These individual isomers, 115 and 116, have been isolated from these mixtures via column chromatography by using silica gel as adsorbent followed by fractional recrystallization of individual chromatography fractions. Structures of these pure products have been established unequivocally by application of single crystal X-ray crystallographic methods.
Date:
August 2006
Creator:
Atim, Silvia
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Style and the Art of Chaim Soutine: Ethnicity, Nationalism and Geography in the Critical Reception and Historiography
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This thesis argues that art criticism published during Soutine's lifetime emphasizes ethnicity, nationalism and geography in discussions of the artist's style. These critical discussions have influenced the historiography of Soutine published after his death, resulting in a continued emphasis on style that includes references to ethnicity. Ethnicity, nationalism and geography are identified in the critical reception and historiography by noting references, both specific and implied, to Jewishness, French art, and foreign status (among others). These references are analyzed in terms of existing scholarship that addresses concepts of ethnicity and nationalism, and with consideration to how the critical reception has impacted the historiography.
Date:
August 2006
Creator:
Grance, Heather Anne
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Texas Cowboy as Myth: Visual Representations from the Late Twentieth Century
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The working cowboy remains part of the contemporary culture of Texas. A visual record of him appeared early in the state's history, in daguerreotypes, followed by representations in contemporary black and white as well as color photographs, film and video. Although the way of life for the Texas cowboy has changed, it remains a thriving part of the Texas economy, society, and culture. Moreover, the image of the cowboy has permeated popular culture and fine art. This paper explores what late twentieth century popular culture and fine art images of the cowboy signify, emphasizing aspects of how they signify in relation to an existing tradition of photographic representations. Using Barthes' "Myth Today," it considers how the documentary aspect of early photographic representations of cowboys is transformed in contemporary popular culture and fine art to become mythology, for example, by the exaggeration of features of dress to connote ideals allegorically.
Date:
August 2006
Creator:
Seaton, Melynda
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Undue Burden Standard: The Effects of Planned Parenthood v. Casey (1992) on State Abortion Laws
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This thesis examines the effects of the change from strict scrutiny to the undue burden standard in Planned Parenthood v. Casey (1992). A history of abortion in the United States and the various ways in which government regulates it is explored. Particular attention is focused on the role of the federal judiciary in abortion regulation. Theories of judicial decision making are discussed as means to understand the outcome of cases. Several models are tested to determine which, if any, model explains judicial decision making. The effect of the change in standard, as well as an alternate precedent, are examined.
Date:
August 2006
Creator:
Burlage, G. Rachel
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Accuracy of Self-Reported Height, Weight, and Calculated BMI and Resulting FITNESSGRAM® Healthy Fitness Zone Classification
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The determination of adiposity in adolescents is often assessed with calculations of body mass indices (BMI). Researchers often obtain these measurements from self-reported (SR) values. The purpose of this study was to determine the accuracy of SR height, weight, and calculated BMI (from height and weight). SR and actual measured (ME) BMI values were compared with standards from the FITNESSGRAM® Healthy Fitness Zone (HFZ) classifications. SR height and calculated BMI were found to be accurate while SR weight was, on average, underreported by 4.77 lbs. Because of these errors in SR height and weight, accuracy of classification into the FITNESSGRAM® HFZ was compromised. Consequently, it is important that researchers ascertain actual values of height and weight when measuring adolescents rather than use those from self-reports.
Date:
May 2006
Creator:
Rowell, Chelsie Joyce
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Analysis of EC-4 Pre-Service Teacher Perceptions of Knowledge and Use of Classroom Discipline Techniques
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The purpose of this study was to examine the perceptions of pre-service Texas Wesleyan University teachers' knowledge and use of classroom discipline techniques. The study was conducted to obtain data utilized for the evaluation of the research questions. A non-experimental, mixed research design using survey methodology was used. Part one of the Allen Classroom and Discipline Management Instrument (ACDMI) consisted of demographic information: current position, ethnicity, level of education, gender, age, teaching certification obtained, teaching certification anticipated to be obtained, type of teacher certification training, and number of clock hours received in discipline management. The demographic information was used as independent variables for comparing responses to survey items. Part two contained discipline management techniques from Skinner, Canter, Dreikurs, Gathercoal, Glasser, Faye and Funk, Curwin and Mendler, and Berne and Harris. These techniques were used to determine mean differences with the independent variables. Finally, part three was the qualitative section which consisted of four questions requesting information about helpful discipline techniques. The sample population consisted of 150 pre-service teachers from a small liberal arts university in Texas. Findings from the study indicated that EC-4 pre-service teachers' predicted use of discipline management techniques were the ones in which they were most knowledgeable. …
Date:
May 2006
Creator:
Short, Selena Gutierrez
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Automated Low-cost Instrument for Measuring Total Column Ozone
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Networks of ground-based and satellite borne instruments to measure ultraviolet (UV) sunlight and total column ozone have greatly contributed to an understanding of increased amounts of UV reaching the surface of the Earth caused by stratospheric ozone depletion. Increased UV radiation has important potential effects on human health, and agricultural and ecological systems. Observations from these networks make it possible to monitor total ozone decreases and to predict ozone recovery trends due to global efforts to curb the use of products releasing chemicals harmful to the ozone layer. Thus, continued and expanded global monitoring of ozone and UV is needed. However, existing automatic stratospheric ozone monitors are complex and expensive instruments. The main objective of this research was the development of a low-cost fully automated total column ozone monitoring instrument which, because of its affordability, will increase the number of instruments available for ground-based observations. The new instrument is based on a high-resolution fiber optic spectrometer, coupled with fiber optics that are precisely aimed by a pan and tilt positioning mechanism and with controlling programs written in commonly available software platforms which run on a personal computer. This project makes use of novel low-cost fiber optic spectrometer technology. A cost …
Date:
May 2006
Creator:
Nebgen, Gilbert Bernard
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
"The Barroom Girls" and Other Stories
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This creative thesis is comprised of five original short stories and a critical preface. The preface discusses the changing cultural, sociopolitical, and socioeconomic landscape of the modern American South and the effects-positive, negative, and neutral-these changes have had on the region's contemporary literature, including the short stories contained within.
Date:
May 2006
Creator:
Mortazavi, Sohale Andrus
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Connective Technology Adoption in the Supply Chain: The Role of Organizational, Interorganizational and Technology-Related Factors.
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Supply chain management (SCM) is an area that offers organizations significant opportunities for both cost reductions and revenue enhancement. In their article, "Supply Chain Management: Implementation Issues and Research Opportunities," Lambert, Cooper and Pagh defined SCM as the "integration of key business processes from end user through original suppliers that provides products, services, and information that add value for customers and other stakeholders." Adopting and implementing appropriate technology has emerged as a source of competitive advantage for supply chain member firms through the integration of business processes with suppliers and customers. It is important to understand the factors influencing an organization's decision to acquire such technology. In the context of this study, connective technologies are defined as wireless communication devices and their accompanying infrastructure and software which may enhance coordination among supply chain partners. Building on previous literature in the areas of supply chain management, marketing strategy, and organizational innovation, a model was developed to test the relationships between organizational, interorganizational, and technology-related factors and the adoption of advanced connective technology, using radio frequency identification (RFID) as the test case, in the supply chain. A Web-based survey of supply chain professionals was conducted resulting in 224 usable responses. The overall …
Date:
May 2006
Creator:
Neeley, Concha Kaye Ramsey
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Democratic Pantheism in the Political Theory of Alexis de Tocqueville
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According to Alexis de Tocqueville, humanity is entering a new age of political and social equality, a new epoch in which the human race has no historical example or experience. As a result, he holds humanity's future will be largely determined by the political and moral choices made in this transitional time. For Tocqueville, the new egalitarian era is a forgone conclusion, but for him, the pressing question is whether humanity will choose a future in which it enchains itself to new forms of tyranny, or, whether the human race can establish the political and moral institutions designed to assure human freedom and dignity. In Tocqueville's view, liberty or slavery are the two choices modern men and women have in front of them, and it is the intent of this dissertation to explore Tocqueville's warning in regard to the latter choice. Tocqueville warns us that modern democratic peoples must beware of the moral and political effects of a new type of political philosophy, a political theory he terms democratic pantheism. Democratic pantheism is a philosophic doctrine that treats egalitarianism as a "religion" in which all social and political striving is directed toward realizing a providentially ordained strict equality of conditions. …
Date:
May 2006
Creator:
Bearry, Brian Anthony
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Depression, Activities of Daily Living, and Retirement
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Depression is a common clinical and subclinical psychiatric disorder in the middle-age to older adult population. This study examined the relationship between depression and activities of daily living (ADLs) in middle-age to older adults. This study examined longitudinal data from the 1998, wave 4, and 2000, wave 5, of the Health and Retirement Study (HRS), a National Panel Study sponsored by the National Institute on Aging. A negative cross-sectional and longitudinal relationship between higher ADL scores and depression was hypothesized. A goal of the present study was to determine the temporal precedence of these two constructs using a cross-lag panel design to first examine the cross-sectional relationship between ADLs and depression at time-one and at time-two, and then the time-one to time-two longitudinal relationships to examine temporal precedence possible causal relationships. Finally, differences in these correlational relationships by retirement status and then by marital status were tested. There were several interesting findings, including those who were retired in both 1998 and 2000 reported fewer ADLs (i.e., worse functioning), but also reported better health than those who were working in both 1998 and 2000. Similarly, those people who were not married in both 1998 and 2000 reported fewer ADLs but better …
Date:
May 2006
Creator:
Jackson, Lauren Innes
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library