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 Collection: UNT Theses and Dissertations
Caring for Cancer: Understanding the Access and Perceptions of Psychosocial Cancer Services in North Texas

Caring for Cancer: Understanding the Access and Perceptions of Psychosocial Cancer Services in North Texas

Date: December 2014
Creator: Quirk, Lisa E.
Description: It is estimated that nearly 14.5 million Americans are living with cancer today. A commonly overlooked component to quality cancer care, as defined by the Institute of Medicine, is the role of psychological and social support. Better known as psychosocial support, these needs reflect a broad spectrum of obstacles or assets in an individual’s personal life that may help or hinder their healing experience. Some psychosocial examples include coping skills, transportation to medical appointments, or appropriate knowledge to mitigate the physical impacts of the cancer process. Research has shown that by addressing these potential needs, a better health outcome may be achieved for cancer patients. Through participant observation at local psychosocial service establishments and through semi-structured interviews with service providers and adults diagnosed with cancer living in the Dallas-Fort Worth region, this thesis research seeks to explore how local cancer patients are learning of psychosocial services available to them, what barriers may exist in accessing these services, and what individuals may be doing to address their psychosocial needs, both formally or informally. Results yielded recommendations for local psychosocial providers to adjust their marketing of services and kinds of services offered as well as yielded recommendations for future academic research.
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Bundle of Joy: Pregnancy, Coping and Depressive Symptoms in Adolescent Girls

Bundle of Joy: Pregnancy, Coping and Depressive Symptoms in Adolescent Girls

Date: August 2014
Creator: Kaiser, Karen Claiborne
Description: Using the stress process model, the relationship between pregnancy and depressive symptoms among adolescent girls was investigated. This model posits that stress resulting from social location and related disruptive life events may indirectly affect health by eroding coping, mastery, or social support mechanisms. The effect of low income, minority status and pregnancy on coping processes in adolescent girls was hypothesized and tested. Communication with parents, involvement in activities, and success in school were examined as positive coping strategies. Smoking tobacco, heavy alcohol use, and drug use were examined as negative coping. Data from the National Survey on Drug Use and Health were analyzed. After combining the available cases from the 2006, 2007, and 2008 datasets, selecting girls aged from 12 to 17 years, and removing missing cases; the sample consisted of a total of 22,854 adolescents. A series of binary logistic regression models were estimated. Findings included that coping strategies partially mediate the relationship between pregnancy and depressive symptoms. In particular, success in school, smoking tobacco, and drug abuse played a mediating role. When coping was accounted for, the relationship between pregnancy and depressive symptoms was reduced and became only marginally significant. Implications of the study include a focus on ...
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Condition-dependent Hilbert Spaces for Steepest Descent and Application to the Tricomi Equation

Condition-dependent Hilbert Spaces for Steepest Descent and Application to the Tricomi Equation

Date: August 2014
Creator: Montgomery, Jason W.
Description: A steepest descent method is constructed for the general setting of a linear differential equation paired with uniqueness-inducing conditions which might yield a generally overdetermined system. The method differs from traditional steepest descent methods by considering the conditions when defining the corresponding Sobolev space. The descent method converges to the unique solution to the differential equation so that change in condition values is minimal. The system has a solution if and only if the first iteration of steepest descent satisfies the system. The finite analogue of the descent method is applied to example problems involving finite difference equations. The well-posed problems include a singular ordinary differential equation and Laplace’s equation, each paired with respective Dirichlet-type conditions. The overdetermined problems include a first-order nonsingular ordinary differential equation with Dirichlet-type conditions and the wave equation with both Dirichlet and Neumann conditions. The method is applied in an investigation of the Tricomi equation, a long-studied equation which acts as a prototype of mixed partial differential equations and has application in transonic flow. The Tricomi equation has been studied for at least ninety years, yet necessary and sufficient conditions for existence and uniqueness of solutions on an arbitrary mixed domain remain unknown. The domains ...
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Company A, Nineteenth Texas Infantry, a History of a Small Town Fighting Unit

Company A, Nineteenth Texas Infantry, a History of a Small Town Fighting Unit

Date: August 2014
Creator: Williams, David J.
Description: I focus on Company A of the Nineteenth Texas Infantry, C.S.A., and its unique status among other Confederate military units. The raising of the company within the narrative of the regiment, its battles and campaigns, and the post-war experience of its men are the primary focal points of the thesis. In the first chapter, a systematic analysis of various aspects of the recruit’s background is given, highlighting the wealth of Company A’s officers and men. The following two chapters focus on the campaigns and battles experienced by the company and the praise bestowed on the men by brigade and divisional staff. The final chapter includes a postwar analysis of the survivors from Company A, concentrating on their locations, professions, and contributions to society, which again illustrate the achievements accomplished by the veterans of this unique Confederate unit. As a company largely drawn from Jefferson, Texas, a growing inland port community, Company A of the Nineteenth Texas Infantry differed from other companies in the regiment, and from most units raised across the Confederacy. Their unusual backgrounds, together with their experiences during and after the war, provide interesting perspectives on persistent questions concerning the motives and achievements of Texas Confederates.
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A Performance Guide for the Unique Challenges in Concerto for Tuba and Chamber Orchestra by Jan Bach

A Performance Guide for the Unique Challenges in Concerto for Tuba and Chamber Orchestra by Jan Bach

Date: August 2014
Creator: Robinson, Ryan J.
Description: In 2003, Jan Bach completed his monumental Concerto for Tuba and Chamber Orchestra. This concerto requires unique performance techniques and technical skills unlike the majority of available tuba repertoire. In addition to these techniques, the guide explores the influence of popular songs, jazz/rock/funk styles, implied humor, and personal experience through an interview with the composer.
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Cultural Exchange: the Role of Stanislavsky and the Moscow Art Theatre’s 1923 and 1924 American Tours

Cultural Exchange: the Role of Stanislavsky and the Moscow Art Theatre’s 1923 and 1924 American Tours

Date: August 2014
Creator: Brooks, Cassandra M.
Description: The following is a historical analysis on the Moscow Art Theatre’s (MAT) tours to the United States in 1923 and 1924, and the developments and changes that occurred in Russian and American theatre cultures as a result of those visits. Konstantin Stanislavsky, the MAT’s co-founder and director, developed the System as a new tool used to help train actors—it provided techniques employed to develop their craft and get into character. This would drastically change modern acting in Russia, the United States and throughout the world. The MAT’s first (January 2, 1923 – June 7, 1923) and second (November 23, 1923 – May 24, 1924) tours provided a vehicle for the transmission of the System. In addition, the tour itself impacted the culture of the countries involved. Thus far, the implications of the 1923 and 1924 tours have been ignored by the historians, and have mostly been briefly discussed by the theatre professionals. This thesis fills the gap in historical knowledge.
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The Effect of Co-teaching on the Academic Achievement Outcomes of Students with Disabilities: a Meta-analytic Synthesis

The Effect of Co-teaching on the Academic Achievement Outcomes of Students with Disabilities: a Meta-analytic Synthesis

Date: August 2014
Creator: Khoury, Christopher
Description: Co-teaching has been, and continues to be, a growing trend in American schools since the late 1990s. As the popularity of this service delivery model increases, there is an imperative need for empirical research focusing on how co-teaching affects academic outcomes of students who receive special education services. Evidence regarding the academic outcomes of co-teaching is limited, and reports mixed results. The purpose of this study is to provide a synthesis of research examining academic outcomes of co-teaching on students who receive special education services. Quantitative information from each research report was coded, an overall effect size was computed, and a moderator analysis was conducted. Results suggest a significant effect (g = .281, k = 32, p < .05) of co-teaching on the academic outcomes of students with disabilities when compared to students with disabilities who did not receive instruction in co-taught settings; though a larger effect was found among dissertation reports (g = .439, k = 25, p < .001). Additionally, a significant effect was found when examining the academic outcomes of students in co-teaching compared to the academic outcomes of students in a resource classroom setting (g = .435, k = 27, p < .001. Lastly, effects were ...
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Optimization of Novel Culturing and Testing Procedures for Acute Effects on Acartia Tonsa and Tisbe Biminiensis

Optimization of Novel Culturing and Testing Procedures for Acute Effects on Acartia Tonsa and Tisbe Biminiensis

Date: December 2014
Creator: Ussery, Erin J
Description: Copepods comprise an ecologically important role in freshwater and marine ecosystems, which is why they are often considered an important ecotoxicological model organism. The International Organization for Standardization’s (ISO) 14669 protocol is the only guideline for the determination of acute toxicity in three European marine copepod species: Acartia tonsa. The goal of this project was to assess the feasibility of establishing and maintaining cultures of Acartia tonsa, as well as to refine current culturing and egg separation methods. Initial culture methodology proved difficult for consistent production of eggs and collection of nauplii. The development of an airlift system for the separation of eggs from nauplii and adults, based on size, successfully increased the availability of eggs, nauplii and adults. The sensitivity and relative conditions of the copepod species was assessed by running a series of 48h acute toxicity tests with the reference toxicants 3,5-dichlorophenol, 4,4’-methylenebis(2,6-di-tert-butylphenol. The acute 48 hour median lethal dose concentration (LC50), the no observed effect concentration (NOEC), and the lowest observed effect concentration (LOEC) was analyzed for the three reference compounds for of A. tonsa.
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Trajectories As a Unifying Cross Domain Feature for Surveillance Systems

Trajectories As a Unifying Cross Domain Feature for Surveillance Systems

Date: December 2014
Creator: Wan, Yiwen
Description: Manual video analysis is apparently a tedious task. An efficient solution is of highly importance to automate the process and to assist operators. A major goal of video analysis is understanding and recognizing human activities captured by surveillance cameras, a very challenging problem; the activities can be either individual or interactional among multiple objects. It involves extraction of relevant spatial and temporal information from visual images. Most video analytics systems are constrained by specific environmental situations. Different domains may require different specific knowledge to express characteristics of interesting events. Spatial-temporal trajectories have been utilized to capture motion characteristics of activities. The focus of this dissertation is on how trajectories are utilized in assist in developing video analytic system in the context of surveillance. The research as reported in this dissertation begins real-time highway traffic monitoring and dynamic traffic pattern analysis and in the end generalize the knowledge to event and activity analysis in a broader context. The main contributions are: the use of the graph-theoretic dominant set approach to the classification of traffic trajectories; the ability to first partition the trajectory clusters using entry and exit point awareness to significantly improve the clustering effectiveness and to reduce the computational time ...
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Phantom Menace: the Effect of Narcissism on Word-of-mouth Communications

Phantom Menace: the Effect of Narcissism on Word-of-mouth Communications

Date: August 2014
Creator: Ngamsiriudom, Waros
Description: Previous empirical research and anecdotal accounts suggest that “subclinical narcissism” or “average Joe’s narcissism” is one of the most prevalent social phenomena in many parts of the world. Research also suggests that there will be an unprecedented escalation “in average Joe narcissists” among future generations of consumers. The objective of this study is two-fold. The first objective of this study is to explore the moderating effect of the individual’s level of narcissistic personality on their word-of-mouth (WOM) communications. The second objective of this study is to explore the boundary conditions of the first objective. The data were collected from a large number of consumers through Amazon Mechanical Turk. The results support many of the hypotheses accordant with the characteristics of the subclinical narcissistic individual. Specifically, the moderating effect of an individual’s level of narcissistic personality trait on the decision to engage in different types of WOM communications varies across the tested contexts. This study is intended to respond to social scientists' recent call for studies that investigate the fundamental motives behind the individual’s propensity to engage in WOM communication as a function of individual characteristics. The results of this study provide some prescriptive guidance to help companies target appropriate consumers ...
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