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UNT Theses and Dissertations
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Abraham Lincoln and the American Romantic Writers: Embodiment and Perpetuation of an Ideal
The American Romantic writers laid a broad foundation for the historic and heroic Abraham Lincoln who has evolved as our national myth. The writers were attracted to Lincoln by his eloquent expression of the body of ideals and beliefs they shared with him, especially the ideal of individual liberty and the belief that achievement of the ideal would bring about an amelioration of the human condition. The time, place and conditions in which they lived enhanced the attraction, and Lincoln's able leadership during the Civil War strengthened their estimation of him. His martyrdom was the catalyst which enabled the Romantic writers to lay the foundation of the Lincoln myth which has made his name synonymous with individual freedom everywhere even today.
Date:
December 1992
Creator:
Hicks, Mary G. (Mary Geraldine)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Accelerator Mass Spectrometry Studies of Highly Charged Molecular Ions
The existence of singly, doubly, and triply charged diatomic molecular ions was observed by using an Accelerator Mass Spectrometry (AMS) technique. The mean lifetimes of 3 MeV boron diatomic molecular ions were measured. No isotopic effects on the mean lifetimes of boron diatomic molecules were observed for charge state 3+. Also, the mean lifetime of SiF^3+ was measured.
Date:
December 1994
Creator:
Kim, Yong-Dal
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Accounting Measurement Bias and Executive Compensation Systems
This dissertation presents empirical evidence intended to help answer two research questions. The first question asks whether executive compensation systems appear to exploit the bias in accounting-based performance measures in order to reduce the volatility in executive compensation and to allocate incentives more effectively across the range of activities performed by the executive. The second question asks whether compensation systems systematically differ between firms that use alternative accounting methods and whether any such systematic difference helps explain accounting choice. Parameters estimated in fixed-effects endogenous switching regression models were used to test the risk-shielding and incentive-allocation hypotheses. The models were estimated across a dataset consisting of 1151 executive-year observations of annual compensation paid to 222 top-level executives in 40 oil and gas firms. The dataset was partitioned by accounting method and separate models estimated for the full cost and successful efforts partitions. The tests provided modest support for the risk-shielding and incentive-allocation hypotheses, revealing that accounting measurement bias is used to focus incentives for effort in the exploration activity and to reduce executives' exposure to production risk. The design also allowed an estimate of the proportional change in compensation that was realized from the accounting choice actually made.
Date:
December 1994
Creator:
Boone, Jeffery Paul
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Active or Passive Voice: Does It Matter?
This thesis reports on the use of active and passive voice in the workplace and classroom through analysis of surveys completed by 37 employees and 66 students. The surveys offered six categories of business writing with ten sets of two sentences each, written in active and passive voice. Participants selected one sentence from each set and gave a reason for each selection. The participants preferred active over passive 47 to 46 percent of opportunities, but they preferred mixed voice over both, 49 percent. The participants preferred active only for memos to supervisors; in the other five categories they preferred passive or mixed voice. Both males and females preferred mixed voice, and age appeared to influence the choices. They cited context as the most common reason for using passive.
Date:
December 1993
Creator:
Watson, Rose E. (Rose Elliott)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Acts of Survival: the Plight and Prospects of Dallas Theatre
A comprehensive investigation examines the decline and changes that have affected Dallas regional theatre development from the dream of Margo Jones in the 1940s to the proliferation of emerging theatres in 1993. Changing economic conditions, lack of audience support, and shortages of performance space have contributed to an exodus of Dallas actors and artists. Reviewed are measures to reverse this trend, including funding changes, awareness campaigns, improved inter-theatre cooperation, and guidelines for audience development. The study's conclusion notes that theatres do, indeed, have a natural life cycle, but with renewed emphasis on audience development and self-sufficiency, theatres in Dallas can endure and contribute to an enlarged sense of civic pride.
Date:
December 1993
Creator:
Leeman, Patricia Diane
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
N-Acylethanolamines and Plant Phospholipase D
Recently, three distinct isoforms of phospholipase D (PLD) were identified in Arabidopsis thaliana. PLD α represents the well-known form found in plants, while PLD β and γ have been only recently discovered (Pappan et al., 1997b; Qin et al., 1997). These isoforms differ in substrate selectivity and cofactors required for activity. Here, I report that PLD β and γ isoforms were active toward N-acylphosphatidylethanolamine (NAPE), but PLD α was not. The ability of PLD β and γ to hydrolyze NAPE marks a key difference from PLD α. N-acylethanolamines (NAE), the hydrolytic products of NAPE by PLD β and γ, inhibited PLD α from castor bean and cabbage. Inhibition of PLD α by NAE was dose-dependent and inversely proportional to acyl chain length and degree of unsaturation. Enzyme kinetic analysis suggested non-competitive inhibition of PLD α by NAE 14:0. In addition, a 1.2-kb tobacco (Nicotiana tabacum L.) cDNA fragment was isolated that possessed a 74% amino acid identity to Arabidopsis PLD β indicating that this isoform is expressed in tobacco cells. Collectively, these results provide evidence for NAE producing PLD activities and suggest a possible regulatory role for NAE with respect to PLD α.
Date:
December 1998
Creator:
Brown, Shea Austin
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Addition, Omission and Revision: the Stylistic Changes Made to Zehn Variationen über ein Präludium von Chopin by Ferruccio Busoni
This study examines what Busoni meant by "formal deficiencies" when he described his 1884 version of Chopin Variations, and reveals that changes made to the 1884 version during its process of revision in 1922 correct the "formal deficiencies" and show a fundamental change in Busoni's compositional style and perception of musical motion. Including a detailed analysis of the modifications, omissions, and additions made to the 1922 version (including an examination of the Chopin Prelude in C minor, op. 28, No. 20 as a theme to reveal aspects of its construction used in the variation process), which shows how these changes affect the work's compositional structure.
Date:
December 1994
Creator:
Yoon, Soomee
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Adenosine and Down-Regulation of Myocardial Oxygen Demand
This investigation studied the physiological means by which myocardium can survive and function properly when oxygen supply is limited and cannot initially match oxygen demand. The effects of isoproterenol (ISO) stimulations during low coronary perfusion pressure or hypoxemia on myocardial oxygen demand, work, and oxygen utilization efficiency were investigated.
Date:
December 1991
Creator:
Lee, Shang Chiun
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Adhesion/Diffusion Barrier Layers for Copper Integration: Carbon-Silicon Polymer Films and Tantalum Substrates
The Semiconductor Industry Association (SIA) has identified the integration of copper (Cu) with low-dielectric-constant (low-k) materials as a critical goal for future interconnect architectures. A fundamental understanding of the chemical interaction of Cu with various substrates, including diffusion barriers and adhesion promoters, is essential to achieve this goal. The objective of this research is to develop novel organic polymers as Cu/low-k interfacial layers and to investigate popular barrier candidates, such as clean and modified tantalum (Ta) substrates. Carbon-silicon (C-Si) polymeric films have been formed by electron beam bombardment or ultraviolet (UV) radiation of molecularly adsorbed vinyl silane precursors on metal substrates under ultra-high vacuum (UHV) conditions. Temperature programmed desorption (TPD) studies show that polymerization is via the vinyl groups, while Auger electron spectroscopy (AES) results show that the polymerized films have compositions similar to the precursors. Films derived from vinyltrimethyl silane (VTMS) are adherent and stable on Ta substrates until 1100 K. Diffusion of deposited Cu overlayers is not observed below 800 K, with dewetting occurred only above 400 K. Hexafluorobenzene moieties can also be incorporated into the growing film with good thermal stability. Studies on the Ta substrates demonstrate that even sub-monolayer coverages of oxygen or carbide on polycrystalline …
Date:
December 1999
Creator:
Chen, Li
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Admissions Committee Ratings as Predictors of Persistence in Master's-level Theological Education
This research attempted to ascertain whether the ratings of applicants in the admissions-evaluation process of Dallas Theological Seminary (Admission Committee Rating, or ACR) were related to persistence in seminary study sufficiently to allow reasonable prediction of completion based on the strength of the ratings. Five ACRs were examined - the total ACR and its four components, strength of previous academics, personal references, potential and promise for ministry, and previous ministry experience. Other non-admissions factors were also examined to see what relationship they had to persistence. Those factors were years of matriculation, age at matriculation, gender, marital status, ethnicity, nationality, types of previous higher education, whether or not financial aid was received (if known), and the total amount of financial aid received (if known). Persistence in the study was defined as graduation from the seminary's major four-year master's degree program (Th.M.) within the time limits published for the degree. Analysis results indicated that only two of the five ACRs were statistically significant, ministry potential and ministry experience, but the relationship with completion was weak. The conclusion reached was that the relationship between the strength of the admission evaluation and persistence was practically insignificant and contributed little to the ability to predict …
Date:
December 1997
Creator:
Thames, James H.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Adolescent Pregnancy: Voices Heard in the Everyday Lives of Pregnant Teenagers
The purpose of this study is to examine the problems that pregnant teenagers encounter at school and at home while they are trying to complete their high school education. Data were collected by in-depth interviews. Twenty pregnant adolescents, who were between the ages of 15 through 18, and were participants in a special teen pregnancy program were interviewed. The major findings in this study included the respondents': 1) unstable family life histories, 2) denial that they were pregnant, 3) need for self-identity as an adult, 4) conflict with parents and 5) motivation to complete their high school education. This study points to the need for more research on the problems that pregnant adolescents encounter in their everyday lives.
Date:
December 1995
Creator:
Oviedo, Sonia
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Adsorbate-enhanced Corrosion Processes at Iron and Iron Oxide Surfaces
This study was intended to provide a fuller understanding of the surface chemical processes which result in the corrosion of ferrous materials.
Date:
December 1994
Creator:
Murray, Eric
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Adult Discouragement: Traditonal College Students
This study resulted in the development of the Discouragement Scale for Adults (DSA), an assessment instrument for the Adlerian construct of discouragement in adults more than 18 years of age. The DSA is a 60-item instrument that contains five sub-scales corresponding to five life tasks identified in Adlerian literature as work, love, society, self, and spirituality. Age, gender, and ethnicity norms were established for the DSA using a diverse sample (N=586). Additional normative data was developed with a presumed discouraged sample (N=47), and a special sample of traditional college students aged 18-27 years (N=531). Findings on the norm sample indicated that females are less discouraged than males on the Total DSA and on society and spirituality sub-scales. The 18-34 year old group was more discouraged than other age groups on the Total DSA and on work, society, and spirituality sub-scales. Presumed discouraged sample findings indicated that females were less discouraged than males on the society sub-scale. College student findings indicated that females were less discouraged than males on the Total DSA and sub-scales of love, society, spirituality, and work. A significant difference was found among ethnic groups in self sub-scales. Students with no absences per week were less discouraged than …
Date:
December 1996
Creator:
Haggan, Paul S. (Paul Stephen)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Adult Survivors of Childhood Sexual Abuse : Characteristics of the Mother-child Relationship
This qualitative study examined the characteristics of the mother-child relationship of adult survivors of childhood sexual abuse at the time of the abuse. The study consisted of data from the McMaster Family Assessment Device (FAD), the Family of Origin Scale (FOS), and a set of structured interview questions designed by the researcher. Autonomy/intimacy concepts from the FOS examined constructs of clarity of expression, responsibility, respect, openness, acceptance of loss and separation, expression of a wide range of feelings, conflict resolution, mood and tone, and empathy.
Date:
December 1994
Creator:
Motley, Rebecca Roper
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Afro-British Slave Narrative: The Rhetoric of Freedom in the Kairos of Abolition
Access:
Use of this item is restricted to the UNT Community
The dissertation argues that the development of the British abolition movement was based on the abolitionists' perception that their actions were kairotic; they attempted to shape their own kairos by taking temporal events and reinterpreting them to construct a kairotic process that led to a perceived fulfillment: abolition. Thus, the dissertation examines the rhetorical strategies used by white abolitionists to construct an abolitionist kairos that was designed to produce salvation for white Britons more than it was to help free blacks. The dissertation especially examines the three major texts produced by black persons living in England during the late eighteenth centuryIgnatius Sancho's Letters of the Late Ignatius Sancho (1782), Ottobauh Cugoano's Thoughts and Sentiments on the Evil of Slavery (1787), and Olaudah Equiano's The Interesting Narrative of the Life of Olaudah Equiano, or Gustavus Vassa, the African (1789)to illustrate how black rhetoric was appropriated by whites to fulfill their own kairotic desires. By examining the rhetorical strategies employed in both white and black rhetorics, the dissertation illustrates how the abolitionists thought the movement was shaped by, and how they were shaping the movement through, kairotic time. While the dissertation contends that the abolition movement was rhetorically designed to provide redemption, …
Date:
December 1999
Creator:
Evans, Dennis F.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Age Differences in Time Estimation and Their Relationship to Prospective Memory
This paper discusses a study conducted with 34 elderly volunteers and 34 young subjects to determine the differences in time estimation by age and their reflection in prospective memory. Kirk Rowe explains the reproduction, production, and numerical estimation tasks carried out, the scores of the subjects, and the findings of the study.
Date:
December 1991
Creator:
Rowe, Kirk
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Agolmirth Conspiracy
Written in the tradition of the classic spy novels of Ian Fleming and the detective novels of Raymond Chandler, The Agolmirth Conspiracy represents the return to the thriller of its traditional elements of romanticism, humanism, fast-moving action, and taut suspense, and a move away from its cynicism and dehumanization as currently practiced by authors such as John Le Carre' and Tom Clancy. Stanford Torrance, an ex-cop raised on "old-fashioned" notions of uncompromising good and naked evil and largely ignorant of computer systems and high-tech ordinance, finds himself lost in a "modern" world of shadowy operatives, hidden agendas, and numerous double-crosses. He is nevertheless able to triumph over that world when he puts his own honor, his own dignity, and his very life on the line, proving to himself and to his adversaries that such things can still make things easier to see amid today's swirling moral fog.
Date:
December 1996
Creator:
Elston, James C. (James Cary)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
AIDS: a survey of selected college and university students
In this study, a survey instrument measuring knowledge and attitudes about AIDS, information sources about AIDS, and personal behavior was administered to college students. Students completed the survey during a single class period.
Date:
December 1990
Creator:
Trammell, Rebecca
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Alcoholism and the Family: The Destructive Forces in Hardy's Tess of the D'urbervilles
This study examines the forces which shaped the main character--Tess Durbeyfield--in Hardy's novel in terms of the effects which her alcoholic family had upon her mental and emotional potential and which ultimately become the determining factors in her self-destruction. Using the elements and patterns set forth in the literature regarding the dynamics of the alcoholic family, I attempt to show that Hardy's novel may best be understood as the story of a woman whose life and destiny are controlled by the consequences of her father's alcoholism. This interpretation seems to account best for many elements of the novel, such as Tess's destruction, and provides a rich appreciation of Hardy's technique and vision.
Date:
December 1992
Creator:
Alexander, Elizabeth Chenoweth
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Algorithm for the PLA Equivalence Problem
The Programmable Logic Array (PLA) has been widely used in the design of VLSI circuits and systems because of its regularity, flexibility, and simplicity. The equivalence problem is typically to verify that the final description of a circuit is functionally equivalent to its initial description. Verifying the functional equivalence of two descriptions is equivalent to proving their logical equivalence. This problem of pure logic is essential to circuit design. The most widely used technique to solve the problem is based on Binary Decision Diagram or BDD, proposed by Bryant in 1986. Unfortunately, BDD requires too much time and space to represent moderately large circuits for equivalence testing. We design and implement a new algorithm called the Cover-Merge Algorithm for the equivalence problem based on a divide-and-conquer strategy using the concept of cover and a derivational method. We prove that the algorithm is sound and complete. Because of the NP-completeness of the problem, we emphasize simplifications to reduce the search space or to avoid redundant computations. Simplification techniques are incorporated into the algorithm as an essential part to speed up the the derivation process. Two different sets of heuristics are developed for two opposite goals: one for the proof of equivalence …
Date:
December 1995
Creator:
Moon, Gyo Sik
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Alternative Funding Models for Financing Construction of Public School Facilities and Debt Retirement
The main purpose of this study was to examine the various finance models that are presently being used to finance facilities and to provide information for the Texas legislature, the Texas Education Agency, and local school districts concerning facilities funding models that might be used in Texas. Based on the information gathered and analyzed, several conclusions are drawn and recommendations regarding state funding of capital projects in the State of Texas are made. The model recommended for Texas is one that provides for an equalized grant and includes formulas for the distribution of state money.
Date:
December 1992
Creator:
Rambo, Jack (Jack Howard)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Aluminum and Copper Chemical Vapor Deposition on Fluoropolymer Dielectrics and Subsequent Interfacial Interactions
This study is an investigation of the chemical vapor deposition (CVD) of aluminum and copper on fluoropolymer surfaces and the subsequent interfacial interactions.
Date:
December 1997
Creator:
Sutcliffe, Ronald David
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
American Indian Music in Elementary School Music Programs of Oklahoma : Repertoire, Authenticity and Instruction
The purpose of this study was to determine the instructional methods of Oklahoma's elementary school music educators with respect to the inclusion of an authentic repertoire of American Indian music in the curriculum. The research was conducted through two methods. First, an analysis and review of adopted textbook series and pertinent supplemental resources on American Indian music was made. Second, a survey of K-6 grade elementary music specialists in Oklahoma during the 1997-1998 school year was conducted.
Date:
December 1998
Creator:
Damm, Robert J., 1964-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Aminoketene. Cycloaddition of Ketenes and Imines to Yield β- or δ- Lactams
The purpose of this investigation was to provide a systematic study of the cycloaddition pf (N-alkyl-N-phenylamino)- methoxy-and dichloroketenes to various imines and to investigate the stereochemistry of these cycloadditions.
Date:
December 1991
Creator:
Dad, Mohammad M. (Mohammad Mehdj)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library