UNT Libraries - 95 Matching Results

Search Results

Results: 1 - 24 next
Note: All results matching your query require you to be a member of the UNT Community (you must be on campus or login with university credentials for access).

Accuracy Variations in Human Facial Identification Based on Time of Exposure.

Description: This study examined the relationship between time of exposure to the human face and accurate subsequent photo line-up identification. A volunteer group of 124 undergraduate students was divided into three approximately equal sized subgroups. The three groups were then exposed to a video or a portion of a video depicting a theft. Exposure times ranged from two minutes to 30 seconds. The subjects were then given a questionnaire and shown a photo line-up of the mock perpetrator and five foils. Sub… more
Date: December 2006
Creator: Cowle, Kenneth M.
Item Type: Refine your search to only Thesis or Dissertation

Adolescent Insomnia as a Predictor of Early Adulthood Outcomes

Description: Recent research found insomnia is a risk factor for psychiatric disorders in adults. To see if the same would be true in adolescents, the current study re-analyzed data from a national longitudinal study collected by ADDHealth that evaluated health behaviors in 4552 adolescents (mean age 14.9 years [SD 1.7]) at baseline and again 7-8 years later (n = 3489) during young adulthood. Insomnia was reported by 9.2% of the adolescents. Cross-sectionally, adolescent insomnia was associated with alcohol… more
Date: December 2006
Creator: Roane, Brandy Michelle
Item Type: Refine your search to only Thesis or Dissertation

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.

Description: 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 Co… more
Date: December 2006
Creator: Mitchener, Donald Keith
Item Type: Refine your search to only Thesis or Dissertation

Bank Loans as a Financial Discipline: A Direct Agency Cost of Equity Perspective

Description: In a 2004 study, Harvey, Lin and Roper argue that debt makers with a commitment to monitoring can create value for outside shareholders whenever information asymmetry and agency costs are pronounced. I investigate Harvey, Lin and Roper's claim for bank loans by empirically testing the effect of information asymmetry and direct agency costs on the abnormal returns of the borrowers' stock around the announcement of bank loans. I divide my study into two main sections. The first section tests whet… more
Date: December 2006
Creator: Hijazi, Bassem
Item Type: Refine your search to only Thesis or Dissertation

Between the Waves: Truth-Telling, Feminism, and Silence in the Modernist Era Poetics of Laura Riding Jackson and Muriel Rukeyser

Description: This paper presents the lives and early feminist works of two modernist era poets, Laura Riding Jackson and Muriel Rukeyser. Despite differences of style, the two poets shared a common theme of essentialist feminism before its popularization by 1950s and 60s second wave feminists. The two poets also endured periods of poetic silence or self censorship which can be attributed to modernism, McCarthyism, and rising conservatism. Analysis of their poems helps to remedy their exclusion from the comm… more
Date: December 2006
Creator: Cain, Christina
Item Type: Refine your search to only Thesis or Dissertation

Characterization, Properties and Applications of Novel Nanostructured Hydrogels.

Description: The characterization, properties and applications of the novel nanostructured microgel (nanoparticle network and microgel crystal) composed of poly-N-isopropylacrylanmide-co-allylamine (PNIPAM-co-allylamine) and PNIPAM-co-acrylic acid(AA) have been investigated. For the novel nanostructured hydrogels with the two levels of structure: the primary network inside each individual particle and the secondary network of the crosslinked nanoparticles, the new shear modulus, drug release law from hydrog… more
Date: December 2006
Creator: Tang, Shijun
Item Type: Refine your search to only Thesis or Dissertation

Chen Yi and Her Choral Music: A Study of the Composer's Ideal of Fusing Chinese Music and Modern Western Choral Traditions

Description: Chen Yi's music is well accepted and recognized nationally and internationally through an increasing number of commissions and performances. Major symphony orchestras, choruses, institutions and companies request her compositions on many occasions in order to increase understanding and exploration of Chinese influences on western classical idioms. This study provides the first detailed discussion of her compositional mastery and her fusion of Chinese music with the language of western choral tr… more
Date: December 2006
Creator: Yeung, Hin-Kei
Item Type: Refine your search to only Thesis or Dissertation

Comparison and Evaluation of Existing Analog Circuit Simulator using Sigma-Delta Modulator

Description: In the world of VLSI (very large scale integration) technology, there are many different types of circuit simulators that are used to design and predict the circuit behavior before actual fabrication of the circuit. In this thesis, I compared and evaluated existing circuit simulators by considering standard benchmark circuits. The circuit simulators which I evaluated and explored are Ngspice, Tclspice, Winspice (open source) and Spectre® (commercial). I also tested standard benchmarks using the… more
Date: December 2006
Creator: Ale, Anil Kumar
Item Type: Refine your search to only Thesis or Dissertation

A Comparison of Written Composition Assessment Using Standard Format Versus Alternate Format Among College-Bound Students with Learning Disabilities and/or Attention-Deficit/Hyperactivity Disorder.

Description: The purpose of this study was to explore the efficacy of using a computer word processing program in the assessment of written expression with college-bound individuals who had been diagnosed with a learning disability (LD) and/or attention-deficit/hyperactivity disorder (ADHD). Fifty-six (35 eleventh and 21 twelfth) graders, attending a private college-preparatory school for students with LD and/or ADHD, were administered the Spontaneous Writing composite of the Test of Written Expression - Th… more
Date: December 2006
Creator: Morris, Mary Ann
Item Type: Refine your search to only Thesis or Dissertation

Constraints on Adoption of Innovations: Internet Availability in the Developing World.

Description: In a world that is increasingly united in time and distance, I examine why the world is increasingly divided socially, economically, and digitally. Using data for 35 variables from 93 countries, I separate the countries into groups of 31 each by gross domestic product per capita. These groups of developed, lesser developed and least developed countries are used in comparative analysis. Through a review of relevant literature and tests of bivariate correlation, I select eight key variables that … more
Date: December 2006
Creator: Stedman, Joseph B.
Item Type: Refine your search to only Thesis or Dissertation

Construction Applications, Practices, and Techniques of Natural Trumpets: A Comparative Analysis of Baroque and Modern Era Natural Trumpet Construction Methods

Description: This work discusses in detail the history of, and processes associated with the construction of baroque era trumpets then and now. The work addresses metallurgy, tools, construction methods, and playing characteristics of instruments built with old techniques and modern techniques.
Date: December 2006
Creator: Wells, Lawrence E.
Item Type: Refine your search to only Thesis or Dissertation

Current Practices in Working With Special Education Paraeducators.

Description: With so many paraeducators working in special education, it is important for teachers, administrators, and researchers to know how paraeducators are being utilized, supervised, and managed in order to create the most effective programs for students with special needs. Research is needed regarding current practices in supervising paraeducators. The purposes of this study were to (a) delineate the current practices being utilized by special education teachers of students with emotional and behavi… more
Date: December 2006
Creator: Asel, Crystal S.
Item Type: Refine your search to only Thesis or Dissertation

Descriptive Analysis of the Association for the Study of Higher Education Dissertation of the Year Award Winning Dissertation and Recipients, 1979 - 2004

Description: This mixed-methodology study examined a set of award winning dissertations to determine what factors may have led to their receiving recognition by the Association for the Study of Higher Education (ASHE). The study addressed seven specific research questions which were answered via two different research designs: 1) a survey administered to the 27 recipients of the dissertation award, and 2) through the qualitative assessment of a sample of the winning dissertations. The quantitative survey … more
Date: December 2006
Creator: Powell, Monica S.
Item Type: Refine your search to only Thesis or Dissertation

Design and Optimization of Components in a 45nm CMOS Phase Locked Loop

Description: A novel scheme of optimizing the individual components of a phase locked loop (PLL) which is used for stable clock generation and synchronization of signals is considered in this work. Verilog-A is used for the high level system design of the main components of the PLL, followed by the individual component wise optimization. The design of experiments (DOE) approach to optimize the analog, 45nm voltage controlled oscillator (VCO) is presented. Also a mixed signal analysis using the analog and di… more
Date: December 2006
Creator: Sarivisetti, Gayathri
Item Type: Refine your search to only Thesis or Dissertation

Diphosphine Ligand Substitution in H4Ru4(CO)12: X-ray Diffraction Structures and Reactivity Studies of the Diphosphine Substituted Cluster Products

Description: The tetraruthenium cluster H4Ru4(CO)12 has been studied for its reactivity with the unsaturated diphosphine ligands (Z)-Ph2PCH=CHPPh2, 4,5-bis (diphenylphosphino)-4-cyclopenten-1,3-dione, bis(diphenyphosphino)benzene and 1,8- bis(diphenyl phosphino)naphthalene under thermal, near-UV photolysis, and Me3NO-assisted activation. All three cluster activation methods promote loss of CO and furnish the anticipated substitution products that possess a chelating diphosphine ligand. Clusters 1, 2, 3 and … more
Date: December 2006
Creator: Kandala, Srikanth
Item Type: Refine your search to only Thesis or Dissertation

Electrochemical Synthesis and Characterization of Inorganic Materials from Aqueous Solutions

Description: The dissertation consists of the following three sections: 1. Hydroxyapatite (HA) coatings. In this work, we deposited HA precursor films from weak basic electrolytic solution (pH= 8-9) via an electrochemical approach; the deposits were changed into crystallite coatings of hydroxyapatite by sintering at specific temperatures (600-800 ºC). The formed coatings were mainly characterized by powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microsc… more
Date: December 2006
Creator: Yuan, Qiuhua
Item Type: Refine your search to only Thesis or Dissertation

Evaluation of dynamic and static electrical characteristics for the DY8 and YI8 process gallium diodes in comparison to the DI8 process boron diodes.

Description: A rectifier is an electrical device, comprising one or more semiconductor devices arranged for converting alternating current to direct current by blocking the negative or positive portion of the waveform. The purpose of this study would be to evaluate dynamic and static electrical characteristics of rectifier chips fabricated with (a) DY8 process and (b) YI8 process and compare them with the existing DI8 process rectifiers. These new rectifiers were tested to compare their performance to meet … more
Date: December 2006
Creator: Dhoopati, Swathi
Item Type: Refine your search to only Thesis or Dissertation

Extemporizing Reawakened: Saxophonist Branford Marsalis's Approach to the Cadenza for Concertino da Camera for Alto Saxophone and Eleven Instruments by Jacques Ibert

Description: Whether provided by a composer, written out by a performer or completely improvised, the cadenza became a vehicle for performers' creativity, lyricism and technical prowess in the eighteenth and nineteenth centuries. The debate about whether to notate or improvise cadenzas, a question as old as the cadenza itself, continues today. Saxophonists have not been involved in this debate, since the instrument is a product of the mid-nineteenth century and was in its infancy just as the practice of imp… more
Date: December 2006
Creator: James, Matthew T.
Item Type: Refine your search to only Thesis or Dissertation

Influence of Sediment Exposure and Water Depth on Torpedograss Invasion of Lake Okeechobee, Florida

Description: Torpedograss (Panicum repens) was first observed in Lake Okeechobee in the 1970s and appears to have displaced an estimated 6,400 ha of native plants, such as spikerush (Eleocharis cellulosa), where inundation depths are often less than 50 cm. Two series of studies evaluated substrate exposure and water depth influences on torpedograss establishment and competitiveness. Results revealed that fragments remain buoyant for extended periods and so facilitate dispersal. Once anchored to exposed s… more
Date: December 2006
Creator: Smith, Dian H.
Item Type: Refine your search to only Thesis or Dissertation

A Language and Visual Interface to Specify Complex Spatial Pattern Mining

Description: The emerging interests in spatial pattern mining leads to the demand for a flexible spatial pattern mining language, on which easy to use and understand visual pattern language could be built. It is worthwhile to define a pattern mining language called LCSPM to allow users to specify complex spatial patterns. I describe a proposed pattern mining language in this paper. A visual interface which allows users to specify the patterns visually is developed. Visual pattern queries are translated into… more
Date: December 2006
Creator: Li, Xiaohui
Item Type: Refine your search to only Thesis or Dissertation

The Leadership Path of R. Jan LeCroy

Description: Recent studies reveal that a considerable number of U.S. community college leaders will be retiring in the next several years. The concern is that with the large turnover, history, culture, and important lessons of leadership will be lost. The current research on the lives of presidents, their career paths, and experiences in community college leadership centers on approaches to the study of leadership at the macro level. Limited research exists in the published literature that reports and anal… more
Date: December 2006
Creator: Blankenbaker, Zarina A.
Item Type: Refine your search to only Thesis or Dissertation

Measures and Correlates of Daily Spiritual Experiences

Description: Although a change of religious landscape in America in recent years has been suggested and widely accepted in the social sciences, most studies tend to focus on measures of religiosity and how it is changing. The subject of spirituality and its correlates seem to be mostly ignored. This study utilizes nationally representative data generated for the first time in General Social Survey (GSS) on the subject of spirituality to measure Americans' spirituality and daily spiritual experiences and the… more
Date: December 2006
Creator: Mirbaha-Hashemi, Fariba
Item Type: Refine your search to only Thesis or Dissertation

Memento mori: Concert for Violoncello and Orchestra

Description: Death, as a subject, has been treated extensively throughout history, both in literature as well as in music. The focus of Memento mori is to portray the inevitability of death through music. The first part of the document is an essay exploring the topic of death, its inevitability, unpredictability and the fragility of life. This section also includes a number of examples of composer's whose works have influenced the composition of the piece. The title of the work is meant to reflect that dea… more
Date: December 2006
Creator: Fakhouri, Fouad K.
Item Type: Refine your search to only Thesis or Dissertation
Back to Top of Screen