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Academic Dishonesty: Attitudes and Behaviors of Fundamentalist Christian College Students

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This study was designed to examine: (1) the extent to which cheating occurs in fundamentalist Christian colleges; (2) the attitudes of fundamentalist Christian college students toward cheating; (3) attitudes of fundamentalist Christian college students toward cheating among their peers; (4) the kinds of cheating practices of fundamentalist Christian college students; (5) the degree to which students engage in neutralizing behavior to justify cheating; (6) differences in cheating behaviors according to gender; (7) differences in cheating behaviors according to ethnicity; and (8) differences in cheating behaviors according to the length of duration of Christian commitment. Based upon the responses of 337 students attending 3 different Christian colleges, it was concluded that: (1) most Christian fundamentalist students do not engage in cheating; (2) respondents believe that each of 17 self-reported cheating behaviors are serious forms of cheating; (3) respondents are unlikely to report cheating among peers; (4) plagiarism is the most common cheating behavior; (5) most respondents justify cheating on the basis of the workload at school and the pressure to obtain good grades; (6) there are no differences in cheating behavior according to gender; (7) there are differences in cheating behavior according to groups; and (8) most respondents do not cheat …
Date: December 2000
Creator: Sunday, William G.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Accounting for Human Resources: Implications for Theory and Practice. (open access)

Accounting for Human Resources: Implications for Theory and Practice.

Knowledge workers are an important resource for the typical modern business firm, yet financial reporting ignores such resources. Some researchers contend that the accounting profession has stressed reliability in order to make the accounting appear objective. Others concur, noting that accounting is an insecure profession and adopts strict rules when faced with uncertainty. Accountants have promulgated a strict rule to expense human resource costs, although many know that such resources have future benefits. Some researchers suggest that any discipline must modify its language in order to initiate change toward providing useful social ameliorations. If accounting theorists extend this idea to the accounting lexicon.s description of investments in human resources, investors and other accounting user groups might gain greater insight into how a firm fosters and nourishes human capital. I tested three hypotheses related to this issue by administering an experiment designed to assess financial analysts. perceptions about alternative financial statement treatments of human resources in an investment recommendation task. I predicted that (1) analysts' perceptions of the reliability (relevance) of the information they received would decrease (increase) as the treatment of human resources increasingly violated GAAP (became more current-oriented), (2) analysts exposed to alternative accounting treatments would report a lower …
Date: December 2001
Creator: Stovall, Olin Scott
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Acculturation and Sociocultural Influences as Predictors of Family Relationships and Body Image Dissatisfaction in African American, Hispanic American, and European American Women (open access)

Acculturation and Sociocultural Influences as Predictors of Family Relationships and Body Image Dissatisfaction in African American, Hispanic American, and European American Women

Ethnic differences in etiological factors linked to body image dissatisfaction and eating disorders were examined. In addition, the interaction of acculturation and body image dissatisfaction in influencing minority women's relationships with their parents was investigated. Participants consisted of 302 undergraduates from three ethnic groups: Caucasian, Hispanic American, and African American women who were administered self-report measures. Differences were not found between the groups in body image dissatisfaction. Low self-esteem, internalization of the thin ideal, and family emphasis on weight and appearance were all related to more body image dissatisfaction for each of these groups; however, differences in degree of endorsement were also noted between the ethnic groups on these factors. Based on the interaction findings (body image x acculturation) separation from one's mother was found in the area of attitudes and emotions for the Hispanic sample but not for the African American sample on any of the parent scales. Areas for future research and implications for diagnosis and treatment of minority populations are also discussed.
Date: December 2006
Creator: Garcia-Rea, Elizabeth Ann
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Adaptive Planning and Prediction in Agent-Supported Distributed Collaboration. (open access)

Adaptive Planning and Prediction in Agent-Supported Distributed Collaboration.

Agents that act as user assistants will become invaluable as the number of information sources continue to proliferate. Such agents can support the work of users by learning to automate time-consuming tasks and filter information to manageable levels. Although considerable advances have been made in this area, it remains a fertile area for further development. One application of agents under careful scrutiny is the automated negotiation of conflicts between different user's needs and desires. Many techniques require explicit user models in order to function. This dissertation explores a technique for dynamically constructing user models and the impact of using them to anticipate the need for negotiation. Negotiation is reduced by including an advising aspect to the agent that can use this anticipation of conflict to adjust user behavior.
Date: December 2004
Creator: Hartness, Ken T. N.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Aesthetic Models and Structural Features in Concerto for Solo Percussion and Concert Band (open access)

Aesthetic Models and Structural Features in Concerto for Solo Percussion and Concert Band

Concerto for Solo Percussion and Concert Band was commissioned by Staff Sergeant Rone Sparrow, a percussionist with the West Point Military Academy Band. Funding for the project was provided by the Barlow Foundation. The piece was premiered April 13, 2005 in the Eisenhower Hall Theater at West Point, New York. Rone Sparrow performed with the USMA band, and Colonel Thomas Rotondi Jr., Commander/Conductor, conducted the piece. The concerto consists of three movements, and each movement features a different instrument: the first features marimba, the second, vibraphone, and the third movement features the drum kit together with a rhythm section (piano, bass, and drums). In addition to the piece, the dissertation paper discusses important technical detail related to the piece, including: harmony, form, rhythm, programmatic ideas as they relate to motivic strands, and the process of generating and discarding material. The paper also focuses on a number of factors that were influential to the piece, such as postmodern philosophy.
Date: December 2005
Creator: Anderson, Stephen Reg
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Affordances of External Representations in Instructional Design: The Effect of Narrative and Imagery in Learning. (open access)

Affordances of External Representations in Instructional Design: The Effect of Narrative and Imagery in Learning.

Consisting of both theoretical and empirical inquires, this study examines the primary functions of narrative and the relationship between narrative and mental imagery. The study proposes a new framework to interpret semiotic resources. Combining this with the linguistic functional theory of Halliday (1978), a functional method to empirically investigate semiotic representations was also developed. In the empirical inquiry, the study developed a latent construct method to empirically test the effects of narrative in a real learning situation. This study is the first to investigate the functional relationship between narrative and mental imagery, and among the first to suggest a theory and empirically investigate representations of a multimodal nature. The study is also among the first to use latent constructs to investigate the learning experience in a real educational setting. Data were collected from 190 library professionals who enrolled in three sections (two in narrative and one in plain text) of an online course administered through Vista 4.0 and who completed the course and responded to several instruments. Essay data (n = 82 x 2) were analyzed using content analysis based on the narrative analysis framework developed. Quantitative data analysis methods include univariate data analysis, factor analysis, and structural equation modeling …
Date: December 2008
Creator: Wu, Yan
Object Type: Thesis or Dissertation
System: The UNT Digital Library
African Refugee Parents' Involvement in Their Children's Schools: Barriers and Recommendations for Improvement (open access)

African Refugee Parents' Involvement in Their Children's Schools: Barriers and Recommendations for Improvement

The purpose of this study was to examine involvement of African refugee parents in the education of their elementary school children. The setting of the study was Northern and Southern Texas. African refugee parents and their children's teachers completed written surveys and also participated in interviews. In the study's mixed-method design, quantitative measures provided data about parent involvement at home, parent involvement at school, frequency of parent-teacher contact, quality of parent-teacher relationship, parent endorsement of children's schools, and barriers to parent involvement. Qualitative data from the open-ended questions provided data on barriers and strategies to improve involvement. Sixty-one African refugee parents responded to the survey and also participated in an in-depth face-to-face or telephone interview. Twenty teacher participants responded to an online survey. Quantitative data gathered from the parent and teacher surveys were analyzed using frequency distributions and analyses of variance. Qualitative data were analyzed by summarizing and sorting information into different categories using Weft QDA, an open-source qualitative analysis software. From these data, I identified barriers to African refugee parent involvement in their children's schools, as well as challenges that teachers face as they try to involve African refugee parents. Results of analyses of variance revealed statistically significant differences …
Date: December 2009
Creator: Githembe, Purity Kanini
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Age and Responses to the Events of September 11, 2001 (open access)

Age and Responses to the Events of September 11, 2001

Following the terrorist attacks on the United States on September 11, 2001, many turned to the field of psychology for greater understanding of the impact of such events and guidance in supporting our citizens. This study sought to gain greater understanding of the differential impact of the September 11th attack on individuals by investigating the influence of age, psychological hardiness, and repression versus sensitization as forms of coping behavior on psychological health. Both an initial cross-sectional sample (172 young adults & 231older adults) and a short-term longitudinal follow-up (39 young adults & 58 older adults) were included in the study. Older age, psychological hardiness and the use of a repressing coping style were found to each individually relate to greater resilience/less dysfunction at both time one and two. For young adults, high hardy repressors faired best, followed by high hardy sensitizers. Low hardy young adults demonstrated similar levels of dysfunction regardless of coping style (repressions/sensitization). For older adults, coping style impacted both high and low hardy individuals equally, with high hardy repressors demonstrating greater functioning. This study attempted to gain greater insight into explanations for these and previous findings of greater resilience among older adults. In explaining the greater resilience …
Date: December 2004
Creator: Holmes, D. Nicole
Object Type: Thesis or Dissertation
System: The UNT Digital Library
AGenesis: A Novel (open access)

AGenesis: A Novel

AGenesis is a novel of "postmortal fiction" set entirely in an afterlife. Nessie, a recently dead woman, accidentally kills an already-dead man, and in the confusion that follows, sets out to discover how he could have died and what after-afterlife he might have gone to. During her travels, she is raped and then help captive by a city of tormented souls; she descends into madness until rescued by children, and she and her newborn but "undead" daughter set out again, this time to find the end of the afterlife. Nessie's daughter eventually seeks a way to enter a living world she's never known, while Nessie tries to end her suffering and find peace.
Date: December 2007
Creator: Snoek-Brown, Samuel Jeremiah
Object Type: Thesis or Dissertation
System: The UNT Digital Library

Alternative Information Processing Formats for Overcoming Information Processing Deficits in Senior Adults

Access: Use of this item is restricted to the UNT Community
The objective of this study was to examine the effectiveness of alternative advertising presentation formats, and the quantity of information presented in advertisements in overcoming possible information-processing deficits in senior adults that could affect their recall of ad attributes and brand name, the cognitive responses generated, and attitude toward the ad. In addition, the study examined the effectiveness of retirement status as a classification or segmentation variable in comparison with the use of the more traditional classification variable, chronological age. A convenience sample of senior adult volunteers from church groups, social clubs, and civic organizations from the local area were randomly assigned to one of nine experimental conditions. The experiment utilized a simulated magazine to test the effects of presentation formats (3 levels), and quantity of information (3 levels) on senior adult's recall, cognitive responses and attitude toward the test ads. Covariates (gender, wealth, education, activity level, health, and income) were used to reduce variance. The findings clearly indicate that the presentation format of the can ad adversely affected the memory of some senior adults. In addition, the results were significantly different across the different age levels. Retirement status was less beneficial than chronological age in the current study, but …
Date: December 2000
Creator: Muller, Lynn F.
Object Type: Thesis or Dissertation
System: The UNT Digital Library

The American Doctrine for the Use of Naval Gunfire in Support of Amphibious Landings: Myth vs. Reality in the Central Pacific of World War II.

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The United States Marine Corps and the United States Navy developed during the interwar period a doctrine that addressed the problems inherent in the substitution of naval gunfire for artillery support in an amphibious assault. The invasion of Betio Islet, Tarawa Atoll, in November of 1943 was the first test of this doctrine. It has been said many times since the war that the doctrine basically passed this test and that lessons learned at Tarawa increased the efficiency with which the Marine Corps and Navy applied the prewar doctrine during the rest of the war. An analysis of the planning and execution of naval bombardments in the Central Pacific Campaign, after the invasion of the Gilberts, does not support this claim. This analysis leads the researcher to three conclusions. First, the Japanese developed defenses against many of the effects of the gunfire support doctrine that blunted much of the force of American firepower. American planners were slow to recognize the implications of these changes and, consequently, were slow to react to them. Second, many naval commanders responsible for providing naval gunfire support for Central Pacific operations still equated tonnage of ordnance to effectiveness of bombardment, regardless of their frequent references …
Date: December 2006
Creator: Mitchener, Donald Keith
Object Type: Thesis or Dissertation
System: The UNT Digital Library
An Analysis and Performance Guide to William Lovelock's Concerto for Trumpet and Orchestra (open access)

An Analysis and Performance Guide to William Lovelock's Concerto for Trumpet and Orchestra

This paper investigates the usage of traditional compositional techniques on Concerto for Trumpet and Orchestra by William Lovelock. (1899-1986) Like many other twentieth-century composers for trumpet Lovelock wrote in a romantic style using traditional forms. As a composer, Lovelock is largely under-appreciated. This paper explains Lovelock's compositional techniques and provides performers with a guide to help prepare the piece for performance.
Date: December 2008
Creator: Place, Logan
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Analysis of a Cotton Gene Cluster for the Antifungal Protein Osmotin (open access)

Analysis of a Cotton Gene Cluster for the Antifungal Protein Osmotin

Three overlapping genomic clones covering 29.0 kilobases of cotton DNA were found to encompass a cluster of two presumptive osmotin genes (OSMI and OSMII) and two osmotin pseudogenes (OSMIII and OSMIV). A segment of 16,007 basepairs of genomic DNA was sequenced from the overlapping genomic clones (GenBank Accessions AY303690 and AF304007). The two cotton osmotin genes were found to have open reading frames of 729 basepairs without any introns, and would encode presumptive osmotin preproteins of 242 amino acids. The open reading frames of the genes are identical in sequence to two corresponding cDNA clones (GenBank Accessions AF192271 and AY301283). The two cDNA inserts are almost full-length, since one lacks codons for the four N-terminal amino acids, and the other cDNA insert lacks the coding region for the 34 N-terminal amino acids. The cotton osmotin preproteins can be identified as PR5 proteins from their similarities to the deduced amino acid sequences of other plant osmotin PR5 preproteins. The preproteins would have N-terminal signal sequences of 24 amino acids, and the mature 24 kilodalton isoforms would likely be targeted for extracellular secretion. Prospective promoter elements, including two ethylene response elements, implicated as being positive regulatory elements in the expression of a …
Date: December 2003
Creator: Wilkinson, Jeffery Roland
Object Type: Thesis or Dissertation
System: The UNT Digital Library
An Analysis of Joseph Schwantner's Concerto for Percussion and Orchestra (open access)

An Analysis of Joseph Schwantner's Concerto for Percussion and Orchestra

This analysis of Schwantner's Concerto is focused primarily on the pitch organization within the work, using terminology and concepts borrowed from those designed by Allen Forte in The Structure of Atonal Music. Discussion of pitch sets, their use, their derivation, their intervallic content, and their evolution throughout the piece are discussed. Additional discussion regarding Schwantner's style, orchestration techniques, textural manipulation with regard to form, are also discussed. Sources consist of the orchestral score, the two - piano reduction, and the solo percussion score. This document is in six chapters. The first discusses Schwantner's life and general musical style. The second is a brief discussion of terms in the field of pitch set organization. The third, fourth, and fifth chapters discuss in detail the musical materials themselves in each respective movement. Finally, the sixth chapter is a summary of the findings from the analysis.
Date: December 2008
Creator: Hart, Shawn Michael
Object Type: Thesis or Dissertation
System: The UNT Digital Library
An Analysis of Sales People's Perceptions of Performance Appraisal Criteria at a Telecommunications Corporation. (open access)

An Analysis of Sales People's Perceptions of Performance Appraisal Criteria at a Telecommunications Corporation.

The purpose of this study was to identify and analyze sales people's perceptions of performance appraisal criteria in a telecommunications corporation. The study was prompted by the perceived disillusionment of the sales people with the current performance appraisal criteria. The perceptions of 67 sales people were assessed using a questionnaire developed by the researcher. One-way analysis of variance procedures (ANOVA) were used to determine if there were statistically significant differences in premise and telemarketing sales people's perceptions of performance appraisal criteria. Findings indicated that there were no statistically significant difference in premise and telemarketing sales people's perceptions of the 38 performance appraisal criteria statements. Findings did not indicate a statistically significant difference in premise and telemarketing sales people's perceptions of the performance criteria statements, the attitude or satisfaction statements, and the peripheral issue statements. Based on this study, the sales people appear to have clear perceptions of the performance appraisal criteria.
Date: December 2001
Creator: Harris, Ellen L.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Analysis of School Discipline with a Focus on Characteristics of Hispanic Adolescents with Learning Disabilities from a Low-Socioeconomic Area (open access)

Analysis of School Discipline with a Focus on Characteristics of Hispanic Adolescents with Learning Disabilities from a Low-Socioeconomic Area

The research reported herein examined the emotional and behavioral characteristics of adolescent Hispanic students with and without learning disabilities from a middle school in north central Texas. The data were based on all students enrolled at the campus (N = 986), but focused on 55 students of Hispanic descent with learning disabilities and 55 students without. The data accrued for this study utilized a school discipline database. In addition, a 43-item behavioral rating scale was completed on each student of the more focused group. Methods of data analysis were derived from descriptive statistics, one-way analysis of variance, and multiple regression measurements. The results indicate that Hispanic students with learning disabilities often exhibit more disruptive behaviors.
Date: December 2009
Creator: Garcia-Rodriguez, Gina D.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Analysis Of Sequential Barycenter Random Probability Measures via Discrete Constructions (open access)

Analysis Of Sequential Barycenter Random Probability Measures via Discrete Constructions

Hill and Monticino (1998) introduced a constructive method for generating random probability measures with a prescribed mean or distribution on the mean. The method involves sequentially generating an array of barycenters that uniquely defines a probability measure. This work analyzes statistical properties of the measures generated by sequential barycenter array constructions. Specifically, this work addresses how changing the base measures of the construction affects the statististics of measures generated by the SBA construction. A relationship between statistics associated with a finite level version of the SBA construction and the full construction is developed. Monte Carlo statistical experiments are used to simulate the effect changing base measures has on the statistics associated with the finite level construction.
Date: December 2002
Creator: Valdes, LeRoy I.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Analysis of Special Education Compliance and Special Education Funding in Four Texas Open-Enrollment Charter Schools. (open access)

Analysis of Special Education Compliance and Special Education Funding in Four Texas Open-Enrollment Charter Schools.

The purpose of this study was to conduct an in-depth examination of special education services in open-enrollment charter schools in north Texas and to examine relationships between special education compliance and funding. Six questions guided the research: How have the charter schools designed special education services, and do these services meet individual needs of students with disabilities? Have federal education and disability laws affected charter schools' admissions, operations, or student performance ratings? What were the levels of special education funding and compliance with federal and state regulations? Is there a relationship between special education funding and special education compliance with rules and regulations? Studies at the national and state levels have frequently been conducted in the form of surveys, and provide only preliminary information about the status of special education in charter schools. There is a paucity of case specific information about the management and delivery of special education services in open-enrollment charter schools. A within-case study research design was used for this investigation utilizing qualitative methods of structured open-ended interviews, observations at the schools, and document analysis. Administrators at four open-enrollment charter schools were interviewed to gather data for this multi-case study. The data supported the hypotheses related to …
Date: December 2003
Creator: Rudebusch, Judith
Object Type: Thesis or Dissertation
System: The UNT Digital Library

An analysis of the effects of high school student concurrent enrollment at Collin County Community College District.

Access: Use of this item is restricted to the UNT Community
As efforts to provide seamless transitions from high school to college grow, so do the numbers of high school students who concurrently enroll in college courses across the country. The purpose of this study was to evaluate the effectiveness of various aspects of the concurrent enrollment program at Collin County Community College District in Texas. Six research questions were designed to address student success and continuing enrollment patterns after high school graduation, as well as evaluate differences in the various models of dual credit classes offered by the college. Literature related to concurrent enrollment and dual credit programs, senior year of high school, and part-time faculty effectiveness was reviewed. Student issues addressed include: grade performance of concurrent enrollment students compared to the general college population; the percentage of concurrent enrollment students who continue at the college after high school graduation; and a comparison of continuing concurrent enrollment students with a matched sample (based on high school class rank), on the student success factors of fall-to-spring retention rates, fall-to-fall retention rates, grade point averages, and completion rates. Findings were generally positive related to the impact of concurrent enrollment on students and their subsequent success at the college. Various models of offering …
Date: December 2003
Creator: Swanson, Kathrine Bridgett
Object Type: Thesis or Dissertation
System: The UNT Digital Library
An Analysis of the Perception of the Degree of Compliance of Selected Texas Public High Schools with Title IX of the Education Amendments of 1972 (open access)

An Analysis of the Perception of the Degree of Compliance of Selected Texas Public High Schools with Title IX of the Education Amendments of 1972

In recent years, few laws have had greater impact on public education than Title IX of the Education Amendments of 1972. As a result of this legislation, participation levels of female athletes have risen dramatically. Conducted in the Texas Education Agency's Region XI, this study sought to ascertain the perceptions of high school principals, the lead coaches of male athletes, and the lead coaches of female athletes with regard to their schools' compliance with the components of Title IX. The study centered on the results of a survey instrument that included twenty Likert-scale questions as well as several demographic questions. The research questions sought to determine: (1) respondents' overall perception of compliance; (2) any differences in perceptions of compliance based upon the role of the individual; (3) any differences in perceptions based upon the percentage of students qualifying for free and reduced lunch; (4) any differences based upon the state classification of the schools; (5) any differences based upon the gender of respondents; (6) whether complaints filed via OCR result in a perception of increased compliance; and (7) the program component areas in which respondents view their schools to be most compliant. Descriptive and causal-comparative methods were used to analyze …
Date: December 2005
Creator: Hollingsworth, Jerry Don
Object Type: Thesis or Dissertation
System: The UNT Digital Library
An Analytical Model of the Determinants and Outcomes of Nation Branding (open access)

An Analytical Model of the Determinants and Outcomes of Nation Branding

Nation as a brand represents the intangible assets of a country, encompassing various dimensions such as politics, economics, culture, history, and technology. However, much of extant work in nation branding has been limited to the empirical investigations of its positioning and implementation for specific countries, while other scholarly works in nation branding are conceptual. Various factors associated with nation branding are discussed in the literature, but there is no organizing mechanism to connect these factors to explore the dynamics underlying nation branding. To fill this gap, this dissertation attempts to identify the relevant factors underlying the deployment of nation branding, and to develop models to assess the association among these factors. Hunt and Morgan's resource advantage theory serves as the theoretical foundation of this dissertation's framework. After establishing panel data models that link the factors of building and developing the nation brand, the strategic implications of nation branding are discussed. Archival data were used for economic factors such as economic development, tourism, export, and inward foreign investment, and cultural, political, infrastructural, and geographical factors. The primary data were collected for qualitative factors perceived reputable brand and perceived reputable industry. The Anholt-GfK Roper's 2008 Nation Brands IndexSM was incorporated into the …
Date: December 2009
Creator: Sun, Qin
Object Type: Thesis or Dissertation
System: The UNT Digital Library
An Analytical Study: Applying Hindemith's Tonal Theory to Niels Viggo Bentzon's Third Piano Sonata, Op. 44 (open access)

An Analytical Study: Applying Hindemith's Tonal Theory to Niels Viggo Bentzon's Third Piano Sonata, Op. 44

Niels Viggo Bentzon (1919-2000) is the most significant composer in the post-Nielsen period of Danish piano music. Bentzon's Third Piano Sonata, Op.44 was composed in 1946 and is considered by Mark L. Lehmann to be one of the great piano sonatas of the twentieth century. Not only does this sonata reflect Hindemith's ideas, but it also reveals Bentzon's unique style that successively empowers his innovative features. By applying Hindemith's theory, this study offers a way of understanding this piece and demonstrates the relevance of Hindemith's theory as a tool for analyzing the sonata. Chapter 1 presents the significance of the study, the state of research, the purpose of the study, and method. Chapter 2 provides a theoretical analysis of Bentzon's Third Piano Sonata, Op. 44. With a discussion of each movement, this analytical chapter traces Hindemith's influences: Bentzon organizes the four movements with a clear formal structure, a mediant relationship between the first movement and the rest of the movements, and a motivic coherence of each movement. Also, this chapter demonstrates how Bentzon follows Hindemith's way of chord construction and harmonic progression. This chapter provides insight into Bentzon's original style that facilitates an understanding of the tonal organization of each …
Date: December 2009
Creator: Kim, Sun Hee
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Anderson Localization in Two-Channel Wires with Correlated Disorder: DNA as an Application (open access)

Anderson Localization in Two-Channel Wires with Correlated Disorder: DNA as an Application

This research studied the Anderson localization of electrons in two-channel wires with correlated disorder and in DNA molecules. It involved an analytical calculation part where the formula for the inverse localization length for electron states in a two-channel wire is derived. It also involved a computational part where the localization length is calculated for some DNA molecules. Electron localization in two-channel wires with correlated disorder was studied using a single-electron tight-binding model. Calculations were within second-order Born-approximation to second-order in disorder parameters. An analytical expression for localization length as a functional of correlations in potentials was found. Anderson localization in DNA molecules were studied in single-channel wire and two-channel models for electron transport in DNA. In both of the models, some DNA sequences exhibited delocalized electron states in their energy spectrum. Studies with two-channel wire model for DNA yielded important link between electron localization properties and genetic information.
Date: December 2007
Creator: Bagci, V. M. Kemal
Object Type: Thesis or Dissertation
System: The UNT Digital Library
An Annotated Bibliography of Selected Chamber Music For Saxophone, Winds and Percussion with Analyses Of  Danses Exotiques by Jean Françaix, and  Nonet by Fisher Tull (open access)

An Annotated Bibliography of Selected Chamber Music For Saxophone, Winds and Percussion with Analyses Of Danses Exotiques by Jean Françaix, and Nonet by Fisher Tull

An expansive repertoire of original chamber works is available for ensembles comprised of saxophone, wind and percussion instruments. Many musicians, including saxophonists and conductors, are unaware of this enormous body of literature. This produces a compelling need for sources of identification available to conductors, performers and teachers. This study begins to provide such a source through the presentation of selected works and the accompanying annotated bibliography. The lack of awareness of available scores for chamber music with saxophone, winds and percussion among conductors and many performers often contributes to the absence of these works in concert halls. The objective of this lecture-recital document is to make available a tool that includes only original works for the saxophone in a variety of chamber ensemble settings. The nature of this study will be descriptive. The literature chosen for this project reveals varying levels of performance difficulty, compositional techniques, form, and instrumentation. Chosen works employ an ensemble size that requires a conductor or are more successfully performed with a conductor. Selected compositions are illustrated in which the saxophone is identified as a vital ingredient in an already existing repertoire of serious chamber literature. Works in this study include original compositions using from seven …
Date: December 2003
Creator: Fryer, Cheryl A.
Object Type: Thesis or Dissertation
System: The UNT Digital Library