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open access

An Empirical Investigation of Portfolios with Little Idiosyncratic Risk

Description: The objective of this study is to answer the following research question: How large is a diversified portfolio? Although previous work is abundant, very little progress has been made in answering this question since the seminal work of Evans and Archer (1968). This study proposes two approaches to address the research question. The first approach is to measure the rate of risk reduction as diversification increases. For the first approach, I identify two kinds of risks: (1) risk that portfolio … more
Date: May 2004
Creator: Benjelloun, Hicham
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Analysis of Leadership Perceptions Using Multirater Feedback.

Description: Performance improvement intervention begins with assessment. How that assessment is interpreted can mean the difference between success and failure. Previous research of 360-degree feedback instruments has tried to reconcile the differences between multiple rater groups. Rather than searching for agreement, this research proposes to understand the meaning of the differences using multirater feedback. Individuals determine ratings based upon their own perspective and building upon the understand… more
Date: May 2004
Creator: Bradley, Thomas P.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

A Historical Survey of the Euphonium and Its Future in Non-Traditional Ensembles Together with Three Recitals of Selected Works by Jan Bach, Neal Corwell, Vladimir Cosma, and Others

Description: The euphonium has been a respected member of military bands, brass bands, and civilian concert (wind) bands since its invention in 1843. These bands were very visible to the public, and often performed popular music of the day. Since then, the euphonium has had occasional use in orchestral works, jazz, and in brass chamber groups as well. However, by the middle of the 20th century, its traditional use as an instrument of the wind band resulted in a prevailing attitude of the music world toward … more
Date: May 2004
Creator: Cottrell, Jeffrey S.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Contributions of W. A. Criswell to the Establishment and Development of The Criswell College

Description: This study researched the role of W. A. Criswell as Chancellor of The Criswell College and his involvement in the areas of development, facilities acquisitions, personnel, and academics. This qualitative historical research was taken from Criswell's personal files from 1968 through 2001. W. A. Criswell gave written approval for this review and publication in November 2001. Included in Criswell's files were primary and secondary sources including copies of letters, board meeting minutes, persona… more
Date: May 2004
Creator: Cowan, Gloria
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

The Concept of Collision Strength and Its Applications

Description: Collision strength, the measure of strength for a binary collision, hasn't been defined clearly. In practice, many physical arguments have been employed for the purpose and taken for granted. A scattering angle has been widely and intensively used as a measure of collision strength in plasma physics for years. The result of this is complication and unnecessary approximation in deriving some of the basic kinetic equations and in calculating some of the basic physical terms. The Boltzmann equatio… more
Date: May 2004
Creator: Chang, Yongbin
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

A Performer's Analysis of Maurice Ravel's Chansons madécasses: A Lecture Recital, Together with Three Recitals of Selected Works of B. Britten, R. Schumann, S. Barber, T. Pasatieri, F. Poulenc, G. Verdi, T. Arne, and Others

Description: In his song cycle, Chansons madécasses (1926), a chamber work for voice, piano, flute, and cello, Maurice Ravel combines twentieth-century musical experimentation and exoticism with the late nineteenth-century style characteristics present in the vocal elements and instrumentation. Because early twentieth-century music appears to be closely connected to modern concerns, performers may tend to dismiss the style and technique of the early twentieth century as simply "old-fashioned" rather than e… more
Date: May 2004
Creator: Ellis, Diana Lea
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Effects of Methanol, Atrazine, and Copper on the Ultrastructure of Pseudokirchneriella Subcapitata (Selenastrum Capricornutum).

Description: The toxicity of methanol, atrazine, and copper to Pseudokirchneriella subcapitata (Korshikov) Hindák historically referred to as Selenastrum capricornutum Printz were determined following 96 hrs growth in a modified Goram's growth media. Methanol and atrazine inhibited fluorescence readings in the cultures by 50% (IC50) at concentrations of 2% and 82 µg/l respectively. These toxicity values compared favorably to other published reports. The IC50 for copper was 160 µg/l which is substantially … more
Date: May 2004
Creator: Garrett, David C.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Op. 34: Evidence of Arnold Schoenberg's Musikalische Gedanke

Description: Composition for Arnold Schoenberg is a comprehensible presentation of a musical idea (musikalische Gedanke); the totality of a piece represents the idea. For tonal works, he defines Gedanke as a process of resolving the "tonal relation" or "tonal problem." Contrary to the numerous tonal examples illustrating the notion of Gedanke, Schoenberg hardly expounds on the Gedanke principle for his atonal and twelve-tone repertoires. This study reevaluates Schoenberg's compositional philosophy and aes… more
Date: May 2004
Creator: Fukuchi, Hidetoshi
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

An Assessment of the Effectiveness of the CHAMPS/Life Skills Program at the University of North Texas: A Pilot Study

Description: This study seeks to determine the effectiveness of the Challenging Athletes Minds for Personal Success (CHAMPS)/Life Skills program at the University of North Texas, as perceived by the student athletes who participate or participated in this program. The study attempts to measure the extent to which the student athletes feel that the program had value; if they received helpful information to support them through their college career to career transition; if the student athletes felt that the p… more
Date: May 2004
Creator: Goddard, Michael
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Reactivity of Oxide Surfaces and Metal-Oxide Interfaces: Effects of Water Vapor Pressure on Ultrathin Aluminum Oxide Films, and Studies of Platinum Growth Modes on Ultrathin Oxide Films and Their Effects on Adhesion

Description: The reactivity of oxide surfaces and metal-oxide interfaces play an important role in many technological applications such as corrosion, heterogeneous catalysis, and microelectronics. The focus of this research was (1) understanding the effects of water vapor exposure of ultrathin aluminum oxide films under non-ultrahigh vacuum conditions (>10-9 Torr) and (2) characterization of Pt growth modes on ultrathin Ta silicate and silicon dioxide films and the effects of growth modes on adhesion of a … more
Date: May 2004
Creator: Garza, Michelle
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

An Investigation of the Traditional Cante Jondo as the Inspiration for the Song Cycle Five Poems of Garcia Lorca by Elisenda Fabregas

Description: The traditional cante jondo is a song unique to Andalusia as it developed from the "mosaic" of cultures that have inhabited its borders, including Arabs, Jews and Gypsies. The genre expresses the history of the region, reveals the typography of the landscape and cries the tears of its people. "Deep song," the translation for cante jondo, is the forerunner of the flamenco, but it is a communication of a dark soul rather than an exuberant entertainment. The original folk idiom is a medium less… more
Date: May 2004
Creator: Hobbs, Mary Etta
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Analysis of Perceptional Differences Among Department Chairs, Faculty, and Instructors Toward the Barrier to Using Multiple Teaching Strategies in Two-Year Technical and Community College Electronics Courses

Description: The purpose of this study was to identify and analyze perceptional differences among department chairs, faculty, and instructors toward the barrier to using multiple teaching strategies in two-year technical and community college electronics courses. The literature review focused on defining multiple teaching strategies and identifying and discussing four major perceived barriers to implementing them in the electronics classroom: student, resources, classroom environmental, and teacher training… more
Date: May 2004
Creator: Hutyra, Jerry Emil
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Enhancing skill maintenance through relapse prevention strategies: a comparison of two models.

Description: In a quasi-experimental field study, two posttraining interventions composed of relapse prevention (RP) strategies were compared and tested for the effects on participant transfer outcomes. Participant retention of training content, skill maintenance, use of relapse prevention strategies, and self-efficacy served as the dependent variables. Self-efficacy was also tested as a mediator between the experimental treatment levels and both participant skill maintenance and participant use of RP strat… more
Date: May 2004
Creator: Hutchins, Holly M.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Rachmaninoff's Rhapsody on a Theme by Paganini, Op.43; Analysis and Discourse

Description: This dissertation on Rachmaninoff's Rhapsody on a Theme by Paganini, Op.43 is divided into four parts: 1) historical background and the state of the sources, 2) analysis, 3) semantic issues related to analysis (discourse), and 4) performance and analysis. The analytical study, which constitutes the main body of this research, demonstrates how Rachmaninoff organically produces the variations in relation to the theme, designs the large-scale tonal and formal organization, and unifies the theme a… more
Date: May 2004
Creator: Kang, Heejung
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

An Observational Investigation of On-Duty Critical Care Nurses' Information Behavior in a Nonteaching Community Hospital

Description: Critical care nurses work in an environment rich in informative interactions. Although there have been post hoc self-report survey studies of nurses' information seeking, there have been no observational studies of the patterns and content of their on-duty information behavior. This study used participant observation and in-context interviews to describe 50 hours of the observable information behavior of a representative sample of critical care nurses in a 20-bed critical care hospital unit. Th… more
Date: May 2004
Creator: McKnight, Michelynn
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Interim Evaluation of the UNT/Dallas Public Schools Leadership Development Program: A Working Model

Description: The purpose of this study was to determine if, after one year of operation, the UNT/Dallas Public Schools Leadership Development Program was progressing in accordance with the goals set out for the program. Questionnaires administered to 26 interns and 10 mentor principals and follow-up focus group interview sessions provided answers to the study's five research questions that explored the following: selection process; how interns' involvement in campus-based decision-making had changed; how me… more
Date: May 2004
Creator: Newman, Carol A.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Adherence/Diffusion Barrier Layers for Copper Metallization: Amorphous Carbon:Silicon Polymerized Films

Description: Semiconductor circuitry feature miniaturization continues in response to Moore 's Law pushing the limits of aluminum and forcing the transition to Cu due to its lower resistivity and electromigration. Copper diffuses into silicon dioxide under thermal and electrical stresses, requiring the use of barriers to inhibit diffusion, adding to the insulator thickness and delay time, or replacement of SiO2 with new insulator materials that can inhibit diffusion while enabling Cu wetting. This stu… more
Date: May 2004
Creator: Pritchett, Merry
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Intelligent Memory Manager: Towards improving the locality behavior of allocation-intensive applications.

Description: Dynamic memory management required by allocation-intensive (i.e., Object Oriented and linked data structured) applications has led to a large number of research trends. Memory performance due to the cache misses in these applications continues to lag in terms of execution cycles as ever increasing CPU-Memory speed gap continues to grow. Sophisticated prefetcing techniques, data relocations, and multithreaded architectures have tried to address memory latency. These techniques are not completely… more
Date: May 2004
Creator: Rezaei, Mehran
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

The Effects of Teacher Certification on Freshman High School Students' Algebra I Achievement

Description: The purpose of this study was to determine whether students taught by certified teachers and those taught by uncertified teachers had significantly different achievement on a state Algebra I End of Course examination. The specific research questions were: (1) Does type of teacher certification impact Algebra I End of Course (EOC) Exam scores for high school freshman when controlling for students' past mathematics success as measured by 8th grade TAAS mathematics test scores and teachers' years … more
Date: May 2004
Creator: Ringrose, Laura Chamberlin
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

A Mythic Perspective of Commodification on the World Wide Web

Description: Capitalism's success, according to Karl Marx, is based on continued development of new markets and products. As globalization shrinks the world marketplace, corporations are forced to seek both new customers and products to sell. Commodification is the process of transforming objects, ideas and even people into merchandise. The recent growth of the World Wide Web has caught the attention of the corporate world, and they are attempting to convert a free-share-based medium into a profit-based out… more
Date: May 2004
Creator: Robinson, Glendal Paul
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Judicial Enforcers? Exploring Lower Federal Court Compliance in Regulating the Obscene

Description: Although federal circuit and district court judges are placed within a federal hierarchy, and receive legal and judicial training that emphasizes the importance of the judicial framework and its structure, such judges are also subjected to other pressures such as the types of litigants within the courtrooms as well as their local political environment. Furthermore, such judges are apt to form their own views about politics and legal policy and are often appointed by presidents who approve of th… more
Date: May 2004
Creator: Ryan, John Francis
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

A study of the technology leadership of Texas high school principals.

Description: Effectively integrating technology into school requires the presence of informed and visionary leadership. Past research on change in schools demonstrates the importance of the principal to that process. In that research it is obvious that the principal must possess more than skills and knowledge about the change, he or she must also possess leadership skills to lead the campus through the change. Despite this finding, very little research has been attempted to determine the leadership knowledg… more
Date: May 2004
Creator: Seay, D. Alan
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

An Analysis of the Genesis of Motive, Rhythm, and Pitch in the First Movement of the Sonata for Two Pianos and Percussion by Béla Bartók.

Description: This dissertation presents evidence that Béla Bartók created his masterwork, the Sonata for Two Pianos and Percussion (1937), in a very complex period of his life. Since it was a mature piece, Bartók utilized typically "Bartókian" compositional techniques and styles. His ethnomusicological studies were also influential factors in the creation of the Sonata for Two Pianos and Percussion. We can be witness to how different the first draft was to the published version; the minor and major change… more
Date: May 2004
Creator: Ujj-Hilliard, Emöke
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Mobile agent security through multi-agent cryptographic protocols.

Description: An increasingly promising and widespread topic of research in distributed computing is the mobile agent paradigm: code travelling and performing computations on remote hosts in an autonomous manner. One of the biggest challenges faced by this new paradigm is security. The issue of protecting sensitive code and data carried by a mobile agent against tampering from a malicious host is particularly hard but important. Based on secure multi-party computation, a recent research direction shows the f… more
Date: May 2004
Creator: Xu, Ke
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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