UNT Theses and Dissertations - 20,687 Matching Results

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Cyber Addiction and Information Overload and Their Impact on Workplace Productivity

Description: The research examines the relationship between cyber addiction (excessive use of the Internet, CA), information overload (IO), and assesses their impact on workplace productivity. A multi-methods approach is used employing the Internet Addiction Test (IAT) and a quantitative survey design to assess and test the stated hypothesis. The study used random sampling methods targeting 150 respondents from different information technology departments of various organizations. The study hypothesizes tha… more
This item is restricted from view until January 1, 2025.
Date: December 2023
Creator: Alboulayan, Moneerah Abdulhameed M.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Decoding Fantasy: An Analysis of Paquito D'Rivera's "Caribbean Berceuse" (2021)

Description: Written for and featuring the Barcelona Clarinet Players, Caribbean Berceuse (2021) is Paquito D'Rivera's (b.1948) first composition for wind band. Along with idiosyncratic expectations of fusing jazz and classical elements according to D'Rivera's oeuvre, the title implies extramusical associations in the composition. This analysis demonstrates how extramusical associations interact with thematic development by using five codes of meaning from Roland Barthes's (1915–1980) S/Z (1970), which was … more
Date: December 2023
Creator: Truan, Robert Michael
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Degradation Mechanisms and Dynamics of Silicon Telluride: A Guide to the Effective Fabrication and Characterization of Silicon Telluride-Based Devices

Description: Silicon telluride (Si2Te3) and many other tellurium containing compounds show emergent Raman peaks located at ~120 cm-1 and ~140 cm-1 as they age. The origin of these two emergent peaks is controversial in the literature and has been attributed to myriad causes such as the intrinsic Raman modes of the telluride materials, surface oxidation, defects, double resonances, and tellurium precipitates. The controversial nature of these peaks has led to the misidentification of highly degraded materia… more
Date: December 2023
Creator: Hathaway, Evan Allen
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Design and Development of a Paper Spray Air Sampling Device for Use in Clinical, Defense, and Environmental Applications

Description: Environmental monitoring is becoming increasingly important, primarily in urban areas due to the concentrated levels of human activities. The air sampling device presented is a novel method to sample air which harnesses the power of paper spray ionization paired with the intrinsic advantages of mass spectrometry such as high sensitivity, high selectivity, high throughput, and the ability to monitor multiple compounds at once.
This item is restricted from view until January 1, 2025.
Date: December 2023
Creator: Murillo, Wilbert Alberto
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Development and Characterization of Compliant Bioelectronic Devices for Gastrointestinal Stimulation

Description: In this research, we aimed to develop thin-film devices on a polymer substrate and an alternative 3D-printed device with macroelectrodes for treating gastrointestinal (GI) conditions. First, the fabrication of thin-film devices was demonstrated on a softening thiol-ene/acrylate polymer utilizing titanium nitride (TiN) as electrode material. This was achieved by utilizing cleanroom fabrication processes such as photolithography, wet and dry etching. The functionality of the device was shown by p… more
This item is restricted from view until January 1, 2026.
Date: December 2023
Creator: Chitrakar, Chandani
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Development and Preliminary Validation of the Comprehensive Trauma and Stressors Checklist

Description: To assess a wide range of stressors and traumas, we developed a trauma and stressors exposure checklist for adults to capture a wide variety of potential trauma exposure. This study details the extensive development and validation process of the Comprehensive Trauma and Stressors Checklist (CTSC). Study 1 consisted of item pool generation, review of existing trauma measures, content analysis, and expert review and input. Study 2 analyzed reliability and validity of the updated checklist. Partic… more
This item is restricted from view until January 1, 2026.
Date: December 2023
Creator: Kemble, Lauren Alicia
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Directing Transition Metal Catalysis of Second and Third Row Metals through Ligand Design

Description: Ligand design is important due to a ligand's ability to tune properties of the transition metals, such as catalytic activity and selectivity. Gold(I) catalysts can be directly impacted by ligands electronically as well as with steric bulk when undergoing enantioselective and regioselective reactions. In the dissertation, a series of gold(I) acyclic diaminocarbenes were synthesized and used to explore the 1,6 enyne cyclization/hydroarylation. The use of metal templated synthesis of the gold(I) a… more
This item is restricted from view until January 1, 2025.
Date: December 2023
Creator: Nguyen, John
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

The Effect of Developmental Hypoxia on Cardiac Physiology in Three Species: Alligator mississippiensis, Chelydra serpentina, and Danio rerio

Description: In this dissertation, I explored the effects of developmental hypoxia on heart contractility in three separate species of ectotherms: the common snapping turtle (Chelydra serpentina), the American alligator (Alligator mississippiensis), and the zebrafish (Danio rerio). I began with the common snapping turtle and tested whether the utilization of the sarcoplasmic reticulum was altered in response to developmental hypoxia. In the next two chapters, developmental hypoxia of the American alligator … more
This item is restricted from view until January 1, 2025.
Date: December 2023
Creator: Smith, Brandt Ragan
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Partner: UNT Libraries
open access

The Effect of Restructuring of Peer Firms on Investment

Description: Firms' operational restructuring involves information relevant to strategic choices as well as future demand and cost conditions. This study examines the relationship between peer firms' restructuring and a company's responsiveness to its growth opportunities. Peer firm restructuring can increase uncertainty with respect to a company's payoffs regarding its investment projects, leading to decreased responsiveness to growth opportunities. Using a large sample of public companies during 2006–2020… more
Date: December 2023
Creator: Kim, Hojoong
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Effects of Impaired Verbal Abilities on Miranda Comprehension and Reasoning: "Do You Understand Your Rights?"

Description: In Miranda v. Arizona (1966), the Supreme Court of the United States required that custodial arrestees be informed of their constitutional and continuous rights to silence and to legal counsel. Moreover, the ruling mandated that waivers be considered valid only if they were made knowingly, intelligently, and voluntarily. However, in the decades that followed, evidence from both caselaw and empirical scholarship clarified that, for many vulnerable populations, these rights are in jeopardy. Among… more
This item is restricted from view until July 1, 2024.
Date: December 2023
Creator: Tazi, Kamar Y.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

The Effects of Implementing a Reward-Based Version of Ostrom's Eight Design Principles as an Intervention Package on Responses in a Common Pool Resource (CPR) Game

Description: The aim of behavior analysis has always been to apply technologies rooted in basic behavioral principles to problems of societal importance (e.g., Skinner, 1948; 1953; 1987). One such problem is the Tragedy of the Commons - a phenomenon arising from systemic failures among a community, leading to the total collapse of a critical resource (Hardin, 1968). Elinor Ostrom's Eight Design Principles were developed to provide a framework for the self-management of common pool resources (CPRs; Ostrom, 1… more
Date: December 2023
Creator: Paterson, Ian Scott
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

The Effects of Specific and Disguised Mands on Staff's Reinforcer Delivery

Description: Residential facilities for adults with developmental disabilities offer essential accommodations and support services, with fostering communication for residents as an important aspect of care. Despite the importance of communication, previous research has identified concerns about staff performance (SP) in facilitating positive social interactions, such as engaging in consequent-mediating behavior for residents' mands. Previous research has primarily focused on improving SP through skills-base… more
Date: December 2023
Creator: Richey, Caroline Nicole
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

The Emergence of Arab Nation-State Nationalism as an Alternative to the Supranational Concept of Ummah

Description: In this dissertation, I examine the political shift or reorientation of Arabs and Muslims from the supranational Ummah to the Western form of nation-state by attending to modern Arabic novel in the period between World War I and World War II. I explore the emergence of secularism in Arab national formation. One of my central arguments is that Arab nationalism is indeed a misleading phrase as it gives the impression of unity and coherence to a complex phenomenon that materialize in a number of t… more
This item is restricted from view until January 1, 2029.
Date: December 2023
Creator: Alhamili, Mohammed Ali M.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

An Empirical Investigation of the Medical Supply Chain and Its Impact on Human Solid Organ Transplantation

Description: The objective of this dissertation is to first identify if there are any academic research gaps in our understanding of the medical supply chain and secondly to understand the role and impact of logistics on the human organ transplant process. The first essay identifies the current status of medical supply chain literature and provides future direction for improving the medical supply chain. This was accomplished by preforming a systematic literature review and a bibliometric analysis from 2,16… more
This item is restricted from view until January 1, 2026.
Date: December 2023
Creator: Hiatt, Brian Joseph
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Environmental Control of Pacing in Cougars

Description: Pacing, a common form of stereotypy in captive animals, poses challenges for animal welfare and conservation initiatives. The current study used a comprehensive measurement system to investigate the impact of introducing a food-related activity on the daily patterns of multiple behaviors, including stereotypic pacing, in two zoo-housed cougars. The results showed that, while the intervention did not mitigate pacing overall, it did cause a shift in the cougars' routines. This demonstrated the s… more
Date: December 2023
Creator: Fahlmann, Elisabeth Anne
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

An Evaluation of Cross-Function Stimuli in the Treatment of Automatically Maintained Problem Behavior

Description: Noncontingent reinforcement (NCR) is a possible alternative to differential reinforcement of other behaviors (DRO) that may operate through a similar mechanism. In the research, the participant's problem behaviors were maintained by automatic reinforcement or even multiply maintained. NCR is the method to intervene with the participant who had no clinical effect on using sensory integration therapy (SIT) to reduce problem behaviors in the previous study. The results showed that NCR is an effect… more
Date: December 2023
Creator: Huang, Po-Kai
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

An Evaluation of the Utility of Fixed Ratio 1 Schedule Contingent Reinforcement on Variability to Increase the Diversity of Activity Selections and the Treatment of Problem Behavior Occasioned by Interruption Routines

Description: Adults with autism spectrum disorder (ASD) and intellectual disability (ID) are the majority of population in residential settings. Many clients in residential settings engage in problem behavior that interferes with their daily routine and work requirements. Restricted and repetitive behavior are one of the features of ASD diagnosis, typically in the form of invariable responding and predictable responses. Differential reinforcement has been used to produce and maintain response variability. I… more
Date: December 2023
Creator: Lin, Yu Chen
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Examination of Potentially Morally Injurious Events and Moral Injury in Medical Professionals

Description: The current study examined the nature and extent of endorsement of PMIEs, the nature and severity of MI symptoms related to endorsement of a PMIE, and the relations between extent of endorsement of PMIEs and MI symptoms. We hypothesized that (1) PMIEs perpetrated by others would be endorsed to a greater extent than PMIEs perpetrated by oneself; (2) medical professionals who endorsed a PMIE would report significantly greater severity on all MI symptoms compared to medical professionals who did n… more
This item is restricted from view until January 1, 2026.
Date: December 2023
Creator: Keegan, Fallon
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Partner: UNT Libraries
open access

Examining the Educational Depth of Medical Case Reports and Radiology with Text Mining

Description: The purpose of this dissertation was to use the technology of text mining and topic modeling to explore unobserved themes of medical case reports that involve medical imaging. Case reports have a valuable place in medical research because they provide educational benefits, offer evidence, and encourage discussions. Their form has evolved throughout the years, but they have remained a key staple in providing important information to the medical communities around the world with educational conte… more
Date: December 2023
Creator: Collinsworth, Amy L.
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Partner: UNT Libraries
open access

Experimental and Numerical Investigation of a Novel Cold-Formed Steel Long Span Truss

Description: This thesis describes the experimental and numerical investigation of a novel cold-formed steel 48ft and 54ft long span truss. The truss we designed was to be used as the roofs of large buildings, such as warehouses, hangars, sports arenas. The investigation includes both experimental and numerical testing, the experimental testing of the truss under uniform loads (increasing loads) to determine its deflection and load carrying capacity. The numerical test included developing a finite element m… more
Date: December 2023
Creator: Nalla, Sai Kumar
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open access

Exploring Psychological Intimate Partner Violence Using Brief Expressive Writing Essays

Description: Non-physical intimate partner violence (NPIPV) is the most pervasive type of abuse, yet literature has predominantly focused on physical IPV victimization. This study employed a mixed-methods design utilizing archival expressive writing data previously collected to identify the presence of NPIPV victimization. Participants wrote about their experience after a relationship dissolution using the expressive writing paradigm. They were asked to share their deepest thoughts and feelings across two s… more
Date: December 2023
Creator: Laajala, Allison
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Exploring the Association of Language Brokering and Parent-Child Relationship in Korean Immigrant Families

Description: This study focuses on investigating the dynamics of language brokering as Korean immigrant families experience environmental challenges associated with immigration. This study was conducted with qualitative research design with purposive sampling of Korean immigrant families. Six parent-child dyads were recruited and participating children were between 12 to 16 years old. Semi-structured interviews were conducted separately with parents and children in either English or Korean. Thematic analysi… more
Date: December 2023
Creator: Lee, Eunkyung
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Partner: UNT Libraries
open access

Exploring the Relationship between Mental Health and Substance Use, Stable Housing, and Completion of the RISE Court Program

Description: This thesis analyzes participants of the RISE Court program, a specialized court in Tarrant County, Texas, focusing on women involved in prostitution. The study investigates the intricate relationship between mental health, stable housing, substance abuse, and successful completion of the court program. Through a comprehensive analysis of participant data, the findings reveal insights into the intersection of mental health and the outcomes of participants in the RISE Court program. Contrary to … more
Date: December 2023
Creator: Smith, Paisley Elizabeth
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Partner: UNT Libraries
open access

Exploring the ROI of 1:1 Computing Programs at the High School Level

Description: This dissertation explored the cost and value of 1:1 computing programs in high schools in Texas. The study examines whether the total cost of ownership of these programs can be justified by the student testing gains and graduation rates. It investigates whether student learning outcomes show a definable correlation between positive gains and the implementation of 1:1 computing programs. The study also explores whether there is a measurable return on investment of 1:1 programs based on testing … more
Date: December 2023
Creator: Kissel, Tara Michelle
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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