UNT Theses and Dissertations - 460 Matching Results

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An Implementation of Consensus Through Bluetooth Communication

Description: This thesis provides an implementation of consensus of multi-agent networked systems. Consensus problem is an important issue of distributed computing and has various algorithms and applications in the field of electronical and computer science. The consensus requests all nodes of a network reach an agreement over a certain measurement. An algorithm of convergent consensus problem is implemented through a small network of Bluetooth communication in the thesis. The connections of the Bluetooth d… more
Date: May 2014
Creator: Wang, Yinan
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Racial/ethnic Differences in Hospital Utilization for Cardiovascular-related Events: Evidence of a Survival and Recovery Advantage for Latinos?

Description: Evidence continues to demonstrate that racial/ethnic minority groups experience a disproportionate burden of disease and mortality in cardiovascular-related diseases (CVDs). However, emerging evidence suggests a health advantage for Latinos despite a high risk profile. The current study explored the hospital utilization trends of Latino and non-Latino patients and examined the possibility of an advantage for Latinos within the context of CVD-related events with retrospective data collected ov… more
Date: May 2014
Creator: García, James J.
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Engaging Lives: a Nomadic Inquiry Into the Spatial Assemblages and Ethico-aesthetic Practices of Three Makers

Description: This research is a nomadic inquiry into the ethics and aesthetics of three makers’ social and material practices. Deleuze’s concept of the nomad operated in multiple ways throughout the process, which was embedded in performative engagements that produced narratives of becoming. Over four months, I built relationships with three people as I learned about the ethico-aesthetic significance of their daily practices. The process started by interviewing participants in their homes and expanded ov… more
Date: May 2014
Creator: Coats, Cala R.
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Development of High Gain Ultraviolet Photo Detectors Based on Zinc Oxide Nanowires

Description: Semiconductor nanowires acts as an emerging class of materials with great potential for applications in future electronic devices. Small size, large surface to volume ratio and high carrier mobility of nanowires make them potentially useful for electronic applications with high integration density. In this thesis, the focus was on the growth of high quality ZnO nanowires, fabrication of field effect transistors and UV- photodetectros based on them. Intrinsic nanowire parameters such as carrier … more
Date: May 2014
Creator: Mallampati, Bhargav
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Thermally Stimulated Depolarization Current Evaluation of Molding Compounds

Description: TSDC (thermally stimulated depolarization current) is one of the most important and popular technique for investigating electret materials. TSDC technique can indicate the magnitude of polarization and depolarization, relaxation time, charge-storage, glass transition, and activation energy. To fully investigate polarization and relaxation for pure epoxy and filled epoxy materials, a TSDC system was built and verified by the research. The article describes the building processes and verification… more
Date: May 2014
Creator: Zhao, Shunli
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Exploratory Analysis of Social E-health Behavior

Description: Extant literature has documented well that people seek health information via the internet as patients and consumers. Much less, however, is known about interaction and creation behaviors in the development of new online health information and knowledge. More specifically, generalizable sociodemographic data on who engages in this online health behavior via social media is lacking in the sociological literature. The term “social e-health” is introduced to emphasize the difference between seekin… more
Date: May 2014
Creator: Acadia, Spencer
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Experiences and Perceptions of Students in Music and Mathematics

Description: Since the time of Pythagoras, philosophers, educators, and researchers have theorized that connections exist between music and mathematics. While there is little doubt that engaging in musical or mathematical activities stimulates brain activity at high levels and that increased student involvement fosters a greater learning environment, several questions remain to determine if musical stimulation actually improves mathematic performance. This study took a qualitative approach that allowed 24 h… more
Date: May 2014
Creator: Cranmore, Jeff L.
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Erich Wolfgang Korngold’s Idea of the “Modern”: Developing Variation in the Piano Concerto in C Sharp, Opus 17

Description: This study examines the Piano Concerto in C sharp, Op.17 (1923), by Erich Wolfgang Korngold (1897-1957), in light of developing variation, techniques that transform motivic ideas and create musical continuity in this work. The troublesome reception history of Korngold’s piano concerto derives from its complex musical features, which have created difficulties in understanding and evaluating this piece. Consequently, critics and scholars often label the highly sophisticated yet tonal musical lang… more
Date: May 2014
Creator: Huang, Shu-Yuan
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The Mechanisms of Methane C–H Activation and Oxy-insertion Via Small Transition Metal Complexes: a DFT Computational Investigation

Description: Our country continues to demand clean renewable energy to meet the growing energy needs of our time. Thus, natural gas, which is 87% by volume of methane, has become a hot topic of discussion because it is a clean burning fuel. However, the transportation of methane is not easy because it is a gas at standard temperature and pressure. The usage of transition metals for the conversion of small organic species like methane into a liquid has been a longstanding practice in stoichiometric chemistry… more
Date: May 2014
Creator: Prince, Bruce M.
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Parental Perceptions of Marketing to Young Children: a Feminist Poststructural Perspective

Description: This study examined parental perceptions of marketing to young children using a feminist post-structural theoretical framework to specifically examine the following questions, 1) To what extent are parents aware of the marketing tactics being directed toward young children? 2) How do power/knowledge relations and practices produce parent’s multiple subjectivities as they parent their children in regards to commercial culture? 3) How can early childhood educators adapt pedagogy and practice in … more
Date: May 2014
Creator: Wolff, Kenya E.
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Family Structure and Marijuana Use Among Adolescents

Description: Family structure as a predictive variable of juvenile delinquency has been studied for the last hundred years. This relationship originated due to societal belief that divorce was detrimental to adolescents. Due to the changing societal roles in the United States, family structure has been changing. More children are growing up in non-intact families, such as single-parent households, households with stepparents, cohabitating families, and households without a parent present. To study the effec… more
Date: May 2014
Creator: Aguilar, Jamie M.
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“The Inevitable: Withdrawn”

Description: The Inevitable: Withdrawn is a critical preface and collection of non-fiction writing: personal essay, lyric essay, fragments, and experimental forms. The work’s cohesive subject matter is the author’s European vacation directly following her divorce. Within the pieces, the author attempts to reconcile who she is when starting over and she begins to ask questions regarding the human condition: How do I learn to exhibit intimacy again, not just with romantic partners, but with also in a familial… more
Date: May 2014
Creator: Christy, Gwendolyn Anne
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James Macmillan’s St John Passion: the Role of Celtic Folk Idioms and the Reproaches

Description: In 1829, Passion settings entered the secular concert hall with Felix Mendelssohn’s revival of Bach’s St. Matthew Passion in Berlin. The genre has fallen in and out of favor with composers because of the subject matter and Bach’s prominence in the setting. James MacMillan’s St. John Passion has established itself as one of the preeminent modern passion settings by manipulating past idioms such as chant, chorales, and other popular passion conventions in concert with his use of Celtic folk idiom… more
Date: May 2014
Creator: Frank, Nathan
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A Cross-cultural Textual Analysis of Western and South Korean Newspaper Coverage of North Korean Women Defectors and Victims of Human Trafficking

Description: Trafficking women for sexual abuse has been a serious concern worldwide, particularly over the last two decades. The International Labour Organization (ILO) estimated that illicit profits of human trafficking may be as high as $32 billion. However, the international media community has scarcely focused on North Korean women defectors and victims of human trafficking, despite the severity of the issue. More than two million North Koreans, predominantly women, have crossed borders to enter China … more
Date: May 2014
Creator: Chong, Miyoung
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The Intimacy of Death: Mahler’s Dramatic Narration in Kindertotenlieder

Description: There has been relatively little scholarship to date on Mahler’s Kindertotenlieder. The writings about this song cycle that do exist primarily focus on the disparate nature of the poems and justify Kindertotenlieder as a cycle by highlighting various musical connections between the songs, such as keys and motivic continuity. Mahler, however, has unified the cycle in a much more complex and sophisticated way. His familiarity with Wagner’s music and methods, and his mastery of the human voice and… more
Date: May 2014
Creator: Strange, AnnaGrace
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Form and Pianistic Texture in the Operatic Fantasies Based on La Sonnambula and Der Freischütz of Franz Liszt and Julian Fontana: a Comparison of Compositional Approach

Description: This study examines and identifies the differences in compositional approach in the operatic fantasies based on Bellini’s La Sonnambula and Weber’s Der Freischütz by Franz Liszt and Julian Fontana. These four fantasies are placed in the context of musical conventions and audiences in the first half of the nineteenth century. The two operatic fantasies by Liszt that are included in this study are representative of reinterpretations that employ formal and textural features suitable for the concer… more
Date: May 2014
Creator: Chung, Migeun
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The Impact of Teacher Quality on Reading Achievement of Fourth Grade Students: an Analysis of the 2007, 2009, 2011, and 2013 National Assessment of Educational Progress (Naep)

Description: This study investigated the effects of teacher background variables on fourth grade reading achievement data collected from the 2007, 2009, 2011, and 2013 National Assessment of Educational Progress (NAEP) using a causal-comparative research design. Teacher quality variables related to teacher credentials, instructional methods, training, and support were selected from the NAEP background questionnaire. Descriptive and inferential statistical analyses were used to examine teacher background inf… more
Date: May 2014
Creator: Curry, Daphney Leann
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Effects of Vegetation Structure and Canopy Exposure on Small-scale Variation in Atmospheric Deposition Inputs to a Mixed Conifer Forest in California

Description: Data on rates of atmospheric deposition is limited in many montane ecosystems, where high spatial variability in meteorological, topographic, and vegetation factors contributes to elevated atmospheric inputs and to the creation of deposition hotspots. Addressing the ecological consequences of increasing deposition in these areas will require a better understanding of surface controls influencing atmospheric deposition rates at both large and small-scales. The overarching objective of this thesi… more
Date: May 2014
Creator: Griffith, Kereen
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The Success Factors of African American Males in Master of Arts Teaching Programs

Description: The problem of not enough African American males enrolling in masters level teaching programs was addressed in this study. This phenomenological study examined the experiences of African American males in master of arts teaching (MAT) programs to understand why they enrolled and what factors led to persistence throughout their program enrollment. Six African American males currently enrolled in MAT programs in the southern, southwestern, and western regions of the United States participated. … more
Date: May 2014
Creator: Smith, Dantrayl
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Texas Principals’ Data Use: Its Relationship to Leadership Style and Student Achievement

Description: This study applies an empirical research method determine whether Texas public school principals’ leadership styles, coupled with their use of real time data in a data warehouse, influenced their leadership ability as measured by student achievement. In today’s world of data rich environments that require campuses and districts to make data-driven decisions, principals find themselves having to organize and categorize data to help their school boards, campuses, and citizenry make informed deci… more
Date: May 2014
Creator: Bostic, Robert E.
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Source Apportionment Analysis of Measured Volatile Organic Compounds in Corpus Christi, Texas

Description: Corpus Christi among of the largest industrialized coastal urban areas in Texas. The strategic location of the city along the Gulf of Mexico allows for many important industries and an international business to be located. The cluster of industries and businesses in the region contribute to the air pollution from emissions that are harmful to the environment and to the people living in and visiting the area. Volatile organic compounds (VOC) constitute an important class of pollutants measured i… more
Date: May 2014
Creator: Abood, Ahmed T.
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Daily-collected Sleep Diaries Compared to Weekly-collected Sleep Diaries Via Actigraph Concordance

Description: Both sleep diaries and actigraphy have been recommended to assess sleep in research and clinical settings. Investigators have traditionally used sleep diaries that were completed daily by participants and collected weekly but have recently begun using sleep diaries that are both completed and collected daily. No research had previously assessed the agreement between daily-collected sleep diaries and actigraph data over one week. Undergraduate students were randomly assigned to use daily- or wee… more
Date: May 2014
Creator: Francetich, Jade M.
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Physiological and Psychological Effects of an Acute Stressor: Comparing Coping Strategies Among Very Physically Active and Less Active Adults

Description: The purpose of this study was to examine whether physical activity status of healthy adult males (N = 59) while in a coping strategy condition (association, disassociation, or control) influences psychophysiological responses to an acute painful stimulus. Measures of pain tolerance, state anxiety, body awareness, and salivary cortisol were investigated. Results indicated no significant differences between physical activity groups for pain tolerance, stress responses (i.e., self-reported state a… more
Date: May 2014
Creator: Brandt, Grace A.
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Underground Men: Alternative Masculinities and the Politics of Performance in African American Literature and Culture

Description: This study explores intersections between performance, race and masculinity within a variety of expressive cultural contexts during and after the African American Civil Rights Movement. I maintain that the work of James Baldwin is best situated to help us navigate this cross section, as his fiction and cultural criticism focus heavily on the stage in all its incarnations as a space for negotiating the possibilities and limits of expressive culture in combating harmful racial narratives imposed … more
Date: May 2014
Creator: Gray, Jezy J.
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Partner: UNT Libraries
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