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419 Matching Results
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A Real-Time Electronic Sound Analysis System with Graphical User Interface
Noise-induced hearing loss is a serious problem common to musical environments. Current dosimetry technology is primarily designed for industrial environments and not suited for musical settings. At present, there are no government regulations that apply to the educational music environment as it relates to monitoring and prevention of hearing loss. Also, no system exists than can serve as a proactive tool in observation and reporting of sound exposure levels with the goal of hearing conservation. Newly proposed system takes a software based approach in designing a proactive dosimetry system that can assess the risk of sound noise exposure. It provides real-time feedback trough a graphical user interface that is capable of database storage for further study.
Date:
August 2011
Creator:
Brgulja, Amir
System:
The UNT Digital Library
Skiddy Street: Prostitution and Vice in Denison, Texas, 1872-1922
Prostitution was a rampant and thriving industry in late nineteenth and early twentieth century Texas. Due to the arrival of the M.K. and T. Railroad, the city of Denison became a frontier boomtown and prostitution as well as other vice elements grew alongside the town. Skiddy Street was one road south of Main Street in Denison and housed the most notorious brothels and saloons in the city. In the late nineteenth century, few national laws were present to regulate red-light districts and those that existed were largely ignored. Economically, prostitution was an important addition to the coffers of cities such as Denison, and through taxing and licensing of prostitutes, city leaders profited off of the vice industry. The early decades of the twentieth century led to changes in the toleration of prostitution and red-light districts on the national level. Progressive reform movements, temperance, World War I, and the National Railroad Shopmen’s strike, each contributed to the dissolution of Skiddy Street in Denison as toleration and open acceptance of prostitution waned. This study attempts to understand how and why prostitution thrived during Denison’s early frontier days, who some of the prostitutes were that plied their trade on Skiddy Street, and how …
Date:
December 2011
Creator:
Bridges, Jennifer
System:
The UNT Digital Library
Mechanisms Affecting Bench Press Throw Performance while Using a Counter-Balanced Smith Machine
The use of a counter-balance weight system of a Smith machine affects measures of bench press throw performance. Twenty-four men performed bench press throws at 30% of their one-repetition maximum under four different conditions: 1) counter-balance and rebound movement (RC), 2) no counter-balance and rebound movement (RNC), 3) counter-balance and concentric only movement (CC), and 4) no counter-balance and concentric only movement (CNC). Peak power, force, and concentric and eccentric velocities were measured using a linear accelerometer; and peak ground reaction force (GRF) was measured using a forceplate. Peak measures for concentric and eccentric velocities showed that NCB> CB and RBT > CBT. Peak GRF measures showed CB > NCB and RBT > CBT. The lower performance measures for CB were likely due to an increase in the net external load when the barbell accelerates faster than the gravitational constant causing the counter-balance weight becomes ineffective.
Date:
May 2011
Creator:
Buddhadev, Harsh
System:
The UNT Digital Library
Re-Envisioning an Eighteenth-Century Artifact: A Postmodern Reading of Tristram Shandy
The interjection of a new and dynamically different reading of Lawrence Sterne’s Tristram Shandy is imperative, if scholars want to clearly see many of the hidden facets of the novel that have gone unexamined because of out-dated scholarship. Ian Watt’s assumption that Sterne “would probably have been the supreme figure among eighteenth-century novelists” (291) if he had not tried to be so odd, and the conclusion that he draws, that “Tristram Shandy is not so much a novel as a parody of a novel” (291), is incorrect. Throughout the thesis, I argue that Sterne was not burlesquing other novelists, but instead, was engaging with themes that are now being examined by postmodern theories of Jacques Derrida, Michel Foucault, and Jean François Lyotard: themes like the impenetrability of identity (“Don’t puzzle me” (TS 7.33.633)), the insufficiency of language (“Well might Locke write a chapter upon the imperfections of words” (5.6.429)), and the unavailability of permanence (“Time wastes too fast” (9.8.754)). I actively engage with their theories to deconstruct unexamined themes inside Tristram Shandy, and illuminate postmodern elements inside the novel. However, I do not argue that Tristram Shandy is postmodern. Instead, I argue that if the reader examines the novel outside …
Date:
August 2011
Creator:
Burns, Anthony Louis
System:
The UNT Digital Library
Quantitative EEG Analysis of Patients with Chronic Pain: An Exploratory Study
This study examined quantitative EEGs of six individuals with chronic pain and compared them to an age- and gender-matched normative database of healthy control subjects in an attempt to discern whether a particular pattern of resting state EEG activity is associated with chronic pain. In the chronic pain group, significantly reduced absolute power was seen in delta and theta bandwidths at frontal sites in the eyes-closed condition. In the eyes-open condition, significantly reduced absolute power was seen in delta, theta, and alpha bandwidths at frontal, central, and temporal sites, and increased relative high beta power was seen in the parietal region. Reduced theta/high beta and delta/high beta ratios were seen in the parietal region. Quantitative EEG neuromarkers of chronic pain are suggested.
Date:
December 2011
Creator:
Burroughs, Ramona D.
System:
The UNT Digital Library
Re-Branding Palliative Care: Assessing Effects of a Name Change on Physician Communicative Processes During Referrals
Although provision of palliative care on the United States is growing, referrals to the service are often late or non-existent. The simultaneous care model provides a blueprint for the most progressive form of palliative care, which is palliation and disease-oriented treatments delivered concurrently. Research indicates the existence of a widespread misconception that associates palliative care with imminent death, and some organizations have chosen to re-brand their palliative care services to influence this perception. The goal of this study was to assess the effects of a name change from palliative care to supportive care on the communicative process during referrals to the service.
Date:
May 2011
Creator:
Burt, Stephanie
System:
The UNT Digital Library
Noctilucent
This dissertation is composed of two parts. Part I discusses the evolution of meditative poetry as a genre, with a particular emphasis on the influence of women poets and feminist critical theory. Part II is a collection of poems. Although several popular and critically-acclaimed poets working today write meditative poems, meditative poetry as a genre has not been systematically examined since M.H. Abrams’s essay on the meditative mode in Romantic poetry, “Structure and Style in the Greater Romantic Lyric.” Because one of the driving forces of meditative poetry is a longing for, or recognition of, a state of perception that lies between individual being and some form of universal ordering principle, meditative poetry might seem to be antithetical to a postmodern world that is fragmentary, contingent, and performative; indeed, earlier definitions of meditative poetry, tied to historical and cultural understandings of the individual and the Universal, no longer reflect “how we know” but only “how we knew.” However, this essay argues that there is a contemporary meditative structure that allows for a continued relationship between the individual and the Universal without resorting to the essentialism implicit in the genre as traditionally described. This new structure owes much to feminist theory, …
Date:
December 2011
Creator:
Bush, Mary Gwen
System:
The UNT Digital Library
Factors Affecting Police Officers' Acceptance of GIS Technologies: A study of the Turkish National Police
The situations and problems that police officers face are more complex in today’s society, due in part to the increase of technology and growing complexity of globalization. Accordingly, to solve these problems and deal with the complexities, law enforcement organizations develop and apply new techniques and methods such as geographic information systems (GIS). However, the successful implementation of a new technology does not just depend on providing perfect technical support, but effective and active interaction between the user and system. For this reason, research examining user acceptance of GIS technologies provides a valuable source to investors and designers to predict whether the results of the technology will meet user expectations; understanding the factors that influence user acceptance is vitally important to make the system more usable and preferable. This study attempts to explain Turkish National Police officers’ beliefs about and behaviors toward GIS applications by using the technology acceptance models. It contributes to the technology acceptance literature by testing the proposed model in a rarely studied organization: law enforcement. Regarding methodology, I distributed a survey questionnaire in Turkey; the unit of analysis was the law enforcement officers in the Turkish National Police (TNP). In order to analyze the data derived …
Date:
August 2011
Creator:
Cakar, Bekir
System:
The UNT Digital Library
Assessment of Transportation Emissions for Ferrous Scrap Exports from the United States: Activity-Based Maritime Emissions Model and Theoretical Inland Transportation Model.
Industrial ecology is a field of study that encourages the use of closed-loop material cycles to achieve sustainability. Loop closing requires the movement of materials over space, and has long been practiced in the iron and steel industry. Iron and steel (ferrous) scrap generated in the U.S. is increasingly exported to countries in Asia, lengthening the transportation distance associated with closing the loop on the iron and steel life cycle. In order to understand the environmental cost of transporting this commodity, an activity-based maritime transportation model and a theoretical in-land transportation model are used to estimate emissions generated. Results indicate that 10.4 mmt of total emissions were generated, and emissions increased by 136 percent from 2004 to 2009. Increases in the amount of emissions generated are due to increases in the amount of scrap exported and distance it is transported.
Date:
December 2011
Creator:
Caldwell, Amanda
System:
The UNT Digital Library
Anticipating Work and Family: Experience, Conflict, and Planning in the Transition to Adulthood
The purpose of this study was to examine the development of work and family plans in young adults, and to clarify the long-term stability, prevalence, and consequences of anticipated work-family conflict. The study utilizes Super’s model of career development and social cognitive career theory, as well as research on current work-family interface, as a framework for understanding the period of anticipating and planning for multiple role integration that occurs between adolescence and adulthood. A sample of 48 male and 52 female college students assessed two years prior completed self-report questionnaires measuring work, marriage, and parenting experience; anticipated work-family conflict; and multiple-role planning. Results of this study suggest that students desire both a career and a family, and recognize potential challenges of a multiple-role lifestyle. Such recognition of anticipated work-family conflict varies by conflict domains and measurement methods, but remains stable over two years. Results also suggest that anticipated work-family conflict does not mediate the relationship between experience and planning; instead, marriage experience predicts planning directly. Implications for the findings are discussed as are suggestions for directions of new research concerning anticipated work-family conflict and planning for multiple roles.
Date:
August 2011
Creator:
Campbell, Elizabeth L.
System:
The UNT Digital Library
Evaluating the Effects of Public Postings on Energy Conservation Behavior at a Public University
This study evaluated the effects of public postings on energy conservation behavior at a public university, using a multiple baseline design across three settings; bathrooms break rooms, and conference rooms. The behavior of building occupants was recorded to assess the frequency at which those individuals would turn lights off upon exiting an unoccupied room. The independent variables implemented by experimenters (light-switch plate stickers and laminated signs) had little to no effects on cumulative instances of lights turned off however, the installation of motion sensor lights produced better results. Across all conditions, lights were turned off most frequently in conference rooms (65% of observations) followed by break rooms (9% of observations), and bathrooms (3% of observations).
Date:
August 2011
Creator:
Canisz, Eleni
System:
The UNT Digital Library
Effects of a Play-Based Teacher Consultation (PBTC) Program on Interpersonal Skills of Elementary School Teachers in the Classroom
The purpose of this study was to examine the effectiveness of a play-based teacher consultation (PBTC) program on individual teachers’ interpersonal classroom behaviors and teacher-child relationships. The research questions addressed the application of child-centered play therapy principles and PBTC increasing teacher responsiveness, decreasing teacher criticism, and enhancing teachers‟ perceptions of the teacher-child relationship in elementary school classrooms. Single-case design was utilized to examine eight teachers‟ perceptions over 16 weeks. The sample included 8 White female teachers from three local elementary schools. Teacher ages ranged from 28 to 59 years old. There were 5 kindergarten, 1 first grade, and 2 second grade teachers. The teachers participated in one educational training session followed by play sessions with children of focus and interactive modeling sessions. Trained observers, blind to the study’s purpose, utilized the Interaction Analysis System in classroom observations of the teachers, three times per week, to examine teachers’ interpersonal skills. Additionally, the teachers completed the Student Teacher Relationship Scale for the children of focus before and after the play session phase to examine change in the teacher-child relationship. Visual analysis of the data indicated the PBTC’s overall positive impact. 5 out of 8 teachers demonstrated increases in teacher responding scores at …
Date:
August 2011
Creator:
Carlson, Sarah E.
System:
The UNT Digital Library
El ékfrasis en la Poesía De Manual Machado
Manuel Machado is known as one of the most innovative Spanish modernist poets of the twentieth century. Despite his recognition as a literary figure in Spain, the mimetic descriptions in Machado's poetics are interpreted as mere innovations in Spanish poetry. Those mimetic descriptions are examples of ekphrasis in Spanish literature. Ekphrasis is both a literary and representational art. The mimetic dimension in Machado's poetry is ignored or misinterpreted by the critics of his poetics. This study written in Spanish investigates the use of ekphrasis in terms of Machado's poetic style. An analysis of Manuel Machado's ekphrastic poems will determine: ekphrastic poetry is a representational art; how visual and acoustic aspects of Machado's poems create enargeia; and the manifestation of ekphrasis in Spanish verse. In using Machado's poems, this project will contribute to future explorations of ekphrasis in Spanish literature.
Date:
May 2011
Creator:
Carrillo, Yolanda
System:
The UNT Digital Library
Parent-Toddler Training: The Merits of Further Analysis
Earlier identification of autism allows for interventions to begin during toddlerhood. Literature suggests that parents are an important part of very early intervention and specific goals have indicated that they are important to progress. The use of telemedicine may increase access to interventions. The purpose of the study was to evaluate a parent-toddler training program that targeted social-communication skills and incorporated a telemedicine component. Measures included parent teaching targets, child attending, vocal requesting, and coordinated joint attention and the parent's response to coordinated joint attention. Results indicate that parent teaching increased, child attending and vocalizations increased, child coordinated joint attention increased, and the parent's response to coordinated joint attention was primarily social in nature. Analysis of the home observations indicates that direct in home observations or teleconference observations neither under or overestimated behaviors. The results are discussed in the context of teaching and feedback delivery and selection of teaching targets.
Date:
May 2011
Creator:
Cermak, Samantha Marie
System:
The UNT Digital Library
Examining Curvilinearity and Moderation in the Relationship between the Degree of Relatedness of Individual Diversification Actions and Firm Performance
Corporate diversification continues to be an important phenomenon in the modern business world. More than thirty years of research on diversification suggests that the degree of relatedness among a firm's business units is a factor that can affect firm performance, but the true effect of diversification relatedness on firm performance is still inconclusive. The purpose of this dissertation is to shed more light on this inconclusive association. However, attention is focused on the performance implications of individual diversification actions (e.g., acquisitions and joint ventures) rather than on the overall performance of firms with different levels of diversification. A non-experimental, longitudinal analysis of secondary data was conducted on over 450 unique acquisitions and on more than 210 joint ventures. Results suggest that even when individual diversification actions rather than entire business portfolios are examined, an inverted curvilinear association between diversification relatedness and performance is likely to emerge. This pattern is observed in both acquisitions and joint ventures. However, the association between diversification relatedness and performance in acquisitions is moderated by the level of industry adversity, though factors such as corporate coherence and heterogeneous experience do not moderate the association between diversification relatedness and performance. This study augments the body of knowledge …
Date:
May 2011
Creator:
Cernas Ortiz, Daniel Arturo
System:
The UNT Digital Library
Lone Star Booster: The Life of Amon G. Carter
Abstract Though a very influential Texan during the first half of the twentieth century, Amon Carter has yet to receive a full scholarly treatment, a problem which this dissertation attempts to rectify by investigating the narrative of Carter’s life to see how and why he was able to rise from humble beginnings to become a powerful publisher who symbolized boosterish trends within Texas and the New South. Publisher of the Fort Worth Star-Telegram, philanthropist, oilman, and aviation supporter, Carter used his power and influence to become a leading booster of his city and region seamlessly making the transition from being a business progressive to New Deal supporter to an Eisenhower Democrat. His connections with corporations like American Airlines and General Motors helped bring aviation and industry to his region, and his ability to work with public and private entities helped inspire his failed attempt to make the Trinity River navigable up to Fort Worth. His own success at building the Star-Telegram into the largest circulating newspaper in Texas encouraged him to expand his media empire into radio and television, while the wealth he gained from his oil activities enabled him to form a philanthropic foundation that would provide support for …
Date:
December 2011
Creator:
Cervantez, Brian
System:
The UNT Digital Library
The Influence of Classroom Community and Self-Directed Learning Readiness on Community College Student Successful Course Completion in Online Courses
The relationships between community college students’ sense of community, student self-directed learning readiness, and successful completion of online courses were investigated using a correlational research design. Rovai’s Classroom Community Scale was used to measure classroom community, and the Fisher Self-directed Learning Readiness Scale was used to measure self-directed learning readiness, including three subscales of self-management, desire for learning, and self-control. The study participants were 205 students (49 males, 156 females; 131 White, 39 Black, 15 Asian, 10 Latino, 10 Multi-racial, 1 Native American) taking online courses during a summer term at a Texas community college. The research hypotheses were tested using Pearson r correlation coefficients between each of the seven independent variables (student learning, connectedness, classroom community, self-management, desire for learning, self-control, and self-directed learning readiness) and student successful course completion data. Contrary to prior study results, no association was found between students’ sense of community in online courses and student successful course completion. Although statistically significant differences were found between successful course completion and self-management (r = .258), desire for learning (r = .162), and self-directed learning readiness (r = .184), effect sizes were small suggesting a lack of practical significance. Possible reasons for the outcome of this study …
Date:
August 2011
Creator:
Cervantez, Vera Ann
System:
The UNT Digital Library
Investigating the Extractive Summarization of Literary Novels
Abstract Due to the vast amount of information we are faced with, summarization has become a critical necessity of everyday human life. Given that a large fraction of the electronic documents available online and elsewhere consist of short texts such as Web pages, news articles, scientific reports, and others, the focus of natural language processing techniques to date has been on the automation of methods targeting short documents. We are witnessing however a change: an increasingly larger number of books become available in electronic format. This means that the need for language processing techniques able to handle very large documents such as books is becoming increasingly important. This thesis addresses the problem of summarization of novels, which are long and complex literary narratives. While there is a significant body of research that has been carried out on the task of automatic text summarization, most of this work has been concerned with the summarization of short documents, with a particular focus on news stories. However, novels are different in both length and genre, and consequently different summarization techniques are required. This thesis attempts to close this gap by analyzing a new domain for summarization, and by building unsupervised and supervised systems …
Date:
December 2011
Creator:
Ceylan, Hakan
System:
The UNT Digital Library
Communication System over Gnu Radio and OSSIE
GNU Radio and OSSIE (Open-Source SCA (Software communication architecture) Implementation-Embedded) are two open source software toolkits for SDR (Software Defined Radio) developments, both of them can be supported by USRP (Universal Software Radio Peripheral). In order to compare the performance of these two toolkits, an FM receiver over GNU Radio and OSSIE are tested in my thesis, test results are showed in Chapter 4 and Chapter 5. Results showed that the FM receiver over GNU Radio has better performance, due to the OSSIE is lack of synchronization between USRP interface and the modulation /demodulation components. Based on this, the SISO (Single Input Single Output) communication system over GNU Radio is designed to transmit and receive sound or image files between two USRP equipped with RFX2400 transceiver at 2.45G frequency. Now, GNU Radio and OSSIE are widely used for academic research, but the future work based on GNU Radio and OSSIE can be designed to support MIMO, sensor network, and real time users etc.
Date:
December 2011
Creator:
Cheng, Zizhi
System:
The UNT Digital Library
A psychosocial interaction study of adulthood demographics and non-compulsory education participation using the National Household Education Survey.
This report analyses the NHES: 2005 data to present the state of American education in reference to “adult” participation in education. Psychosocial interaction theory is applied to the social event of attaining adulthood to analyze and report the propensity of American adults to participate in non-compulsory adult education. The review of the literature of perceptual demographic variables of adult attainment: age, prior education, subordinate responsibility, child-age dependent care, marital status, job stability, and home ownership. The analysis compares the data of participants and non-participants of non-compulsory adult education using binomial logistic regression analysis with tests, for a 95% confidence level and .05 significance. Included is a discussion of how appropriately aligned development opportunities and experiences may further increase education effectiveness and performance outcomes.
Date:
December 2011
Creator:
Chillis, Jimmy, L.
System:
The UNT Digital Library
Dream of a Thousand Keys: A Concerto for Piano and Orchestra
Dream of a Thousand Keys is a concerto for piano and orchestra, which consists of four movements presenting multiple dimensional meanings as suggested by the word "key." I trace the derivation of Korean traditional rhythmic cycles and numerical sequences, such as the Fibonacci series, that are used throughout the work, and explore the significant role of space between the soloist and piano that are emphasized in a theatrical aspect of the composition. The essay addresses the question of musical contrasts, similarities, and metamorphosis. Lastly, I cover terms and concepts of significant 21st-century compositional techniques that come into play in the analysis of this work.
Date:
May 2011
Creator:
Choi, Da Jeong
System:
The UNT Digital Library
Minimalism, Exoticism, and Alternatim in Tarik O’Regan’s Magnificat and Nunc Dimittis and The Ecstasies Above
Abstract British composer Tarik Hamilton O’Regan is a significant choral composer of the early twenty-first century. O’Regan’s Magnificat and Nunc Dimittis and The Ecstasies Above exhibit two notable compositional techniques: minimalism influenced by Steve Reich and exoticism representing Balinese gamelan and Andalusian music. Additionally, Reich joins the technique of minimalism with the Renaissance practice of alternatim. The examination of these works will demonstrate the application of these two compositional techniques and how he integrates them into a textural context to evoke specific historical and cultural practices. Furthermore, this study will provide guidelines for researching and performing O’Regan’s choral works by explaining O’Regan’s stylistic characteristics.
Date:
December 2011
Creator:
Choi, Sangyun
System:
The UNT Digital Library
Resilience and Health Outcomes in Patients with Traumatic Injury
Due to the increasing healthcare costs and reduced length of hospital stay it is becoming increasingly important to identify individuals who are ‘at risk’ of experiencing long-term health issues. The purpose of the study was to: (1) determine if resilience, self efficacy and depression changed from inpatient to 3-month follow up; (2) examine the relationship between resilience, self efficacy, depression, and quality of life (social roles/activity limitations) at inpatient and 3-month follow up; and (3) identify if resilience at inpatient is related to change scores in selfefficacy and depression at 3-month follow up. Results from the paired sample t-test indicated that participants did not experience a significant change from inpatient to 3-month follow up in resilience or self-efficacy, but a significant decrease in depression was observed. Findings also indicated significant correlations between resilience, self-efficacy, and depression during inpatient stay and resilience, self-efficacy, depression, and quality of life at 3-month follow up. However, there was no relationship found between resilience and change scores in self-efficacy and depression. Future resilience research should continue to identify the variables that are most strongly related to resilience so effective interventions can be developed that improve rehabilitation outcomes, decrease secondary and chronic conditions as well as …
Date:
August 2011
Creator:
Christensen, Megan Elizabeth
System:
The UNT Digital Library
User-Centered Evaluation of the Quality of Blogs
Blogs serve multiple purposes, resulting in several types of blogs that vary greatly in terms of quality and content. It is important to evaluate the quality of blogs, which requires appropriate evaluation criteria. Unfortunately, there are minimal studies on framework and the specific criteria and indicators for evaluating the quality of blogs. Moreover, quality is related to user perception, and should therefore be evaluated by the receivers. This dissertation examines the criteria and indicators that blog users consider important for evaluating the quality of blogs, and develops a user-centered framework for evaluating quality by conducting user surveys and post-survey email interviews. The personal characteristics that affect the users’ choices of criteria to evaluate the quality of blogs are examined as well. The study’s findings include 1) the criteria that users consider important when evaluating the quality of blogs are content quality, usability, authority, and blog credibility; 2) the indicators that blog users consider most important for evaluating the quality of blogs are understandability, accuracy, believability, currency, ease of use, and navigation; and 3) gender, education level, age, profession, purpose of use, and specific interests affect the user’s choices of criteria for evaluating the quality of blogs. Future research may involve …
Date:
August 2011
Creator:
Chuenchom, Sutthinan
System:
The UNT Digital Library