UNT Theses and Dissertations - 4,294 Matching Results

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Emergence of Cooperation and Homeodynamics as a Result of Self Organized Temporal Criticality: From Biology to Physics

Description: This dissertation is an attempt at establishing a bridge between biology and physics leading naturally from the field of phase transitions in physics to the cooperative nature of living systems. We show that this aim can be realized by supplementing the current field of evolutionary game theory with a new form of self-organized temporal criticality. In the case of ordinary criticality, the units of a system choosing either cooperation or defection under the influence of the choices done by thei… more
Date: August 2018
Creator: Mahmoodi, Korosh
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Emergency Fire Response in Ghana: The Case of Fire Stations in Kumasi

Description: Comprehensive emergency management and response is crucial for disaster prevention and health emergencies. However, in African countries with an abundance of natural disasters and a rising surge in cardiovascular and obstetric emergencies, little research exists on emergency response. This study examines the fire emergency response in Kumasi Metropolitan Assembly (KMA), Ghana's second largest city. We use Geographic Information Systems (GIS) tools including location -allocation modeling to eval… more
Date: May 2017
Creator: Boakye, Kwadwo Adu
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Emerging Adults Delay Mental Illness Treatment: Another Manifestation of Experiential Avoidance?

Description: Emerging adulthood is a term coined to recognize 18 to 25 year-olds who engage in self-exploration while not yet fully identifying as adults. Many emerging adult college students experience stress, anxiety, and depression. Although many colleges provide affordable and available mental health resources for students, many students who need help appear to not utilize these services. Gaining greater understanding of underlying processes that influence psychological treatment-seeking behavior is imp… more
Date: May 2017
Creator: Hulsey, Teresa
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Emerging Ed-tech and Accessibility

Description: Recent developments in the field of education have led to a proliferation of educational technologies (or “ed-tech”), yet access to educational content for students with special needs remains a challenge. This research study aims to assess the current state of accessibility in emerging ed-tech and to identify barriers in enabling educational content to be born accessible. Detailed discussions with various ed-tech platforms revealed less of a need for technical tools, but a more prevailing need … more
Date: December 2013
Creator: Vora, Disha
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Emotional and Cognitive Coping in Relationship Dissolution

Description: Romantic relationships are important for social development and can impact an individual’s functioning both positively and negatively, especially when the relationship breaks up. Emotional and cognitive coping strategies including emotion approach coping, avoidance, and rumination and variable response to expressive writing intervention were examined in relation to post-dissolution distress. Undergraduate participants randomized into two groups completed measures of cognitive and emotional co… more
Date: August 2012
Creator: Wrape, Elizabeth R.
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An Emotional Business: the Role of Emotional Intelligence in Entrepreneurial Success

Description: Successful entrepreneurial activity is important for a healthy economy and can be a major source of job creation. While the concept of entrepreneurship has been around for quite some time, researchers continue to explore the factors that underlie entrepreneurial performance. Specifically, researchers have sought to further examine why some entrepreneurial ventures are more successful than others. the concept of emotional intelligence (EI) has gained the attention of researchers and practition… more
Date: May 2012
Creator: McLaughlin, Erin B.
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The Emotional Needs of Mothers of Multiple Birth Children

Description: The purpose of this study was to assess the emotional support needs of mothers of multiple birth children based on administration of a survey the researcher developed. The survey consisted of 25 demographic items, six 6-point Likert scale items, and three open-ended questions. Likert scale items were based on amount of perceived emotional support mothers received in their environments at the time of survey administration. Open-ended questions addressed negative and positive aspects of parent… more
Date: August 2012
Creator: Walker, Emily N.
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Empirical Benchmarks for Interpreting Effect Sizes in Child Counseling Research

Description: The goal of this study was to establish empirical benchmarks for Cohen's d in child counseling research. After initial review of over 1,200 child intervention research studies published from 1990 to 2016, 41 randomized clinical trials were identified in which intervention and control groups were compared with children 3-12 years old (N = 3,586). Upon identification or calculation of a Cohen's d for each study, I calculated a weighted mean d by multiplying the effect size of each study by the nu… more
Date: May 2017
Creator: Weisberger, Andrea Godwin
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An Empirical Investigation into the Value of Credit Lines

Description: Access to adequate liquidity to finance future investments is an essential element of financial management. The two main questions that this dissertation attempts to answer are (i) what is the net valuation effect of LoC? and (ii) if LoC create value, what are the sources of this value? To answer these questions, I constructed a sample of 85,232 firm-years spanning from 1993 to 2016, with credit line data obtained from Capital IQ and Bloomberg. I investigated the valuation effects of LoC with a… more
Date: December 2019
Creator: Al-Ghamdi, Saleh A.
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An Empirical Study of How Novice Programmers Use the Web

Description: Students often use the web as a source of help for problems that they encounter on programming assignments.In this work, we seek to understand how students use the web to search for help on their assignments.We used a mixed methods approach with 344 students who complete a survey and 41 students who participate in a focus group meetings and helped in recording data about their search habits.The survey reveals data about student reported search habits while the focus group uses a web browser plu… more
Date: May 2016
Creator: Tula, Naveen
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An Empirical Study of Quality and Satisfaction with a Focus on Creating a Parsimonious Measurement Instrument in an Information Space

Description: Student satisfaction and service quality are interrelated constructs that are associated with improving student retention. This research investigated the relationships between these constructs in the context of an institution of higher education as an information system and sought to reduce the dimensionality of what have traditionally been considered orthogonal factors of these constructs in order to produce a parsimonious model and survey instrument that may be useful in assessing and predict… more
Date: August 2014
Creator: Senn, William Donald
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An Empirical Study of Software Debugging Games with Introductory Students

Description: Bug Fixer is a web-based application that complements lectures with hands-on exercises that encourage students to think about the logic in programs. Bug Fixer presents students with code that has several bugs that they must fix. The process of fixing the bugs forces students to conceptually think about the code and reinforces their understanding of the logic behind algorithms. In this work, we conducted a study using Bug Fixer with undergraduate students in the CSCE1040 course at University of … more
Date: August 2015
Creator: Reynolds, Lisa Marie
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L'emploi variable des signes diacritiques dans le français tchaté : une étude variationniste en temps apparent .

Description: After providing an historical overview of the French spelling system and orthographic variation, this study analyzes selected internal (i.e., linguistic) factors and one external (i.e., social) factor that can influence the use of diacritics in online French-language chat sessions. From a corpus of synchronous computer-mediated communication, 3,855 tokens of graphemes capable of bearing diacritics were coded with the following scheme: Letter, Diacritic, Grapheme (i.e., Letter and Diacritic comb… more
Date: May 2010
Creator: Al-Rashdan, Omar
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Employee Engagement: The Impact of Spiritual, Mental, Emotional and Physical Elements on the Relationship Between Employee Engagement and Behavioral Outcomes

Description: Data were collected by an external company for a healthcare service firm interested in learning the job-related attitudes of their employees. Thus, archival data from 1,287 employees were collected for a different purpose. The survey consisted of 117 questions covering a broad range of constructs. Consequently, the items were used to derive effective measures of employee engagement and behavioral outcomes, as well as the emotional, mental, spiritual and physical dimensions. Exploratory and conf… more
Date: August 2014
Creator: Zobal, Cheryl
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Employee Satisfaction with Supervisor Support: The Case of Direct Care Workers in Nursing Homes

Description: The nursing home industry has been saturated for decades with culture change initiatives in an effort to improve resident quality of care. The direct care worker (DCW) is considered a critical position to achieving nursing facility quality improvements. Understanding what leads to job satisfaction for DCWs could result in improved resident care. The relationship DCWs have with their direct supervisor or upper-level manager can impact employee satisfaction. The purpose of this research is to ide… more
Date: December 2017
Creator: Whitaker, Lisa
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Employment Interventions for Consumers with HIV/AIDS

Description: A systematic review of studies pertaining to employment interventions for consumers with HIV/AIDS was conducted in order to ascertain what programs and services have resulted in employment for people in this population. Research shows that programs specifically designed for individuals with HIV/AIDS have been beneficial for this population in regards to obtaining employment. This study discusses four employment interventions for people with HIV/AIDS including participation rates and employment … more
Date: December 2011
Creator: James, Amanda
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Empowering U.S. Marshallese Students to Engagement and Active Participation in Learning

Description: The U.S. Marshallese population is one of the fastest growing Pacific Islander populations in the United States. The purpose of this study was to identify how U.S. Marshallese students could be empowered and engaged in their learning through clearly identified indicators that educators could apply within their classrooms and schools. The indicators have been established on a historical, cultural, and linked perceptions of student learning as identified by U.S. Marshallese students and teachers.… more
Date: May 2018
Creator: Robinson, Sam J
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Enacting Community Through the Arts

Description: This study is concerned with the roles and relationships between artists-in-residence, community audiences, and program coordinators/art educators as they engage together in community arts programs. This study takes place at Project Row Houses (PRH), a community arts organization located in Houston, Texas and focuses on the artist-in-residence program, which commissions a group of national and international artists for a 6-month period to create art installations in relation to the community a… more
Date: December 2014
Creator: Keller, Sarita Talusani
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The Enameling Arts in Kuwaiti Pre-service Art Teacher Education

Description: The purpose of this study was twofold: (1) to examine the knowledge, skills, and experiences in the enameling arts and the attitudes and perceptions of in-service (n = 12) and pre-service Kuwaiti art teachers (n = 170), art supervisors at the Ministry of Education (MOE) (n = 3) and art education faculty members at the College of Basic Education (CBE) and Kuwait University (KU) (n = 8) about what they believed pre-service art teachers should know and be able to do in order to teach the enameling… more
Date: May 2010
Creator: Darweesh, Ali Hussain
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End of Life Care: African Americans' Disproportionate Use of Hospice

Description: The United States of America is a country composed of various ethnicities. This country is considered to be a multi-cultural society. There are various cultural traditions values, norms and superstitious practices within each ethnic group. Attitudes toward end of life care are complex and vary differently across each ethnic group. This study explored factors that explained African Americans' disproportionate use of hospice. Access to hospice care was address, experience with hospice was ex… more
Date: December 2010
Creator: McDonald, Ray
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Endocannabinoid System in a Planarian Model

Description: In this study, the presence and possible function of endocannabinoid ligands in the planarian is investigated. The endocannabinoids ananadamide (AEA) and 2-arachidonoylglycerol (2-AG) and entourage NAE compounds palmitoylethanolamide (PEA), stearoylethanolamide (SEA) and oleoylethanolamide (OEA) were found in Dugesia dorotocephala. Changes in SEA, PEA, and AEA levels were observed over the initial twelve hours of active regeneration. Exogenously applied AEA, 2-AG and their catabolic inhibition … more
Date: December 2010
Creator: Mustonen, Katie Lynn
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Endocrine Disruption of Levonorgestrel in Early-life Stages of Fathead Minnows, Pimephales Promelas

Description: Pharmaceuticals have routinely been detected in the environment resulting in a growing concern about whether these drugs could elicit effects on aquatic organisms. The concerns are centered on the highly conserved nature of mammalian therapeutic targets in fish. These pharmaceuticals are found at very low levels in the environment, which can result in sub-lethal effects in aquatic organisms. Therefore, 28 d early-life stage studies were conducted on six pharmaceuticals to assess their impact… more
Date: August 2013
Creator: Overturf, Matthew D.
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Endogenous Information and Inter-state War Expansion

Description: Scholars have long debated the causes of late third party state joining in ongoing inter-state wars. This research has generally concluding that peace-time conditions, measured in terms of: third party capabilities; proximity to warring states; and inter-state alliances, are determining factors in the decision to join. However, these studies utilize theories derived from static pre-war measures of capabilities and motivation to explain late joining; indeed, the same measures that fail to predi… more
Date: December 2012
Creator: Liebel, Steven R.
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Partner: UNT Libraries
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