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open access

Ablation Properties of HfC-SiC-WC Ultra-High Temperature Ceramics Produced by Pressureless Sintering

Description: HfC-SiC is one of the leading thermal insulation ceramics that has the potential to perform well under high thermomechanical loads. In this study, we explore the use of pressureless sintering to produce this material at relatively low temperatures (2100 oC) and focus on understanding the effect of adding WC, in the 0 to 20 wt.% range, on its ablation resistance. The sintered samples were evaluated for their relative density, phase composition, morphology, microstructure, Vickers hardness, … more
Date: December 2025
Creator: Doolittle, Caden 08/08/2001-
Partner: UNT Libraries

An Analysis, Software Implementation, and Applications of Discrete-Time K-Winners-Take-All Neural Network

Description: The K-Winners-Take-All Neural Networks (KWTA NNs) identify the K largest or smallest among N inputs, where 1 ≤ K < N, and both K and N are any finite integers. These networks produce positive outputs corresponding to the K largest inputs, and negative (or zero) outputs for the remaining N − K inputs. KWTA NNs are used in numerous applications such as pattern classification, pattern recognition, parallel sorting, parallel filtering, adversarial defense, dynamic tracking of robot systems, and tel… more
This item is restricted from view until January 1, 2028.
Date: December 2025
Creator: Vemulapalli, Bavya Sri 2002-
Partner: UNT Libraries

At The Polls: Analyzing Vote Choice in a Presidential Election by American Indians Utilizing Linked Fate

Description: Does linked fate apply to every minority group, or are there groups where linked fate does not hold? Utilizing the largest American Indian survey sample in political science, I test whether “Native Linked Fate” has a significant relationship with vote choice in the 2020 Presidential Election, analyzed by utilizing a multinomial logistic regression. I find that there is no significant relationship between Native Linked Fate and Vote Choice in the analysis; though I do find significant relationsh… more
This item is restricted from view until January 1, 2031.
Date: December 2025
Creator: Walsh, Justin Ross 1989-
Partner: UNT Libraries

Automated Methods to Evaluate the Quality of Distractors in College-Level MCQS

Description: Generative artificial intelligence holds significant potential to transform the field of education, particularly by assisting researchers in creating course materials and assessment items. One critical component in the generation of multiple-choice questions (MCQs) is the construction of distractors or incorrect answer options. Effective distractors must maintain a delicate balance between plausibility, i.e., the ability to mislead students who lack full mastery of the subject, and clarity: to … more
This item is restricted from view until July 1, 2026.
Date: December 2025
Creator: Vegi, Deekshitth 2000-
Partner: UNT Libraries

Building Bridges through Cultural Arts Education: Perceptions of Cultural Identity in Teenage Cultural Arts Students

Description: This study explored whether self-perceptions of ethnic-racial identity among Latinx and Black adolescent students changed after immersion in a course intervention at a community cultural arts center. The course was designed to expand and expose the intersectionality of various cultures and historical events contributive to the formation of a Mexican folk tradition, son jarocho, as it is known today. The research project was inspired by participatory action research, Dunham technique dance pedag… more
This item is restricted from view until January 1, 2031.
Date: December 2025
Creator: Soto, Elvia Leticia 1958-
Partner: UNT Libraries

Development of a Computational Model to Assess the Thermal Impact of Photothermal Hearing Preservation Methods

Description: More than 30% of adults above 65 suffer from some form of hearing loss un the United States, which is expected to double by the year 2060. Hearing loss is often treated through the use of cochlear implants or hearing aids. Prevention methods such as photobiomodulation (PBM) could reduce the need for these treatments. PBM has been shown to reduce hearing loss in animals but has not been effective in human studies. However, human studies have been performed using shorter wavelengths and lower pow… more
This item is restricted from view until January 1, 2031.
Date: December 2025
Creator: Ryan, Jeremy
Partner: UNT Libraries
open access

Digital Anthropology Methods Exploring #Transjoy in Social Media

Description: This thesis explores how to conduct digital ethnography that captures participants' experience in full - online, offline, and where these worlds intersect - treating these domains as part of the complex ecosystem of participants’ experiences. It looks at previous research on digital ethnography as the digital world expanded over the last 50 years, including anthropological perspectives on how to study these digital worlds and theoretical models of human social relationships where digital spaces… more
Date: December 2025
Creator: Darling, Samson Joy 1983-
Partner: UNT Libraries

The Effects of Mastery Criteria on Maintenance and Generalization of Verbal Operants in Children with Autism

Description: A critical component of a skill acquisition program is the mastery criterion, or when can behavior analysts consider a skill acquired. A mastery criterion should contain both a level of performance and a number of demonstrations at or above that level. In this study researchers compared two mastery criteria 80% across three consecutive sessions and 100% across three consecutive sessions, and compared rate of acquisition, and the level of performance across four maintenance and four generalizati… more
This item is restricted from view until January 1, 2027.
Date: December 2025
Creator: Rogers, Joel Craig 1975-
Partner: UNT Libraries
open access

An Evaluation of a Training Program to Teach Joyful Play Interactions to Staff in an Autism Clinic

Description: Social play is important for children’s quality of life, as it allows them to build relationships with and learn from others. Children with autism engage in play that is typically more restricted, repetitive, and done in isolation. ​​There is limited research in the field of Behavior Analysis on increasing children’s social play with staff. The current study investigated the effectiveness of flexible training strategies used to train staff at an autism center on increasing social play interacti… more
Date: December 2025
Creator: Friesen, Hannah Landis 1996-
Partner: UNT Libraries

Mirror Rehabilitation Therapy with Mirrored Glove

Description: Stroke remains a leading cause of disability, often resulting in long-term upper limb motor impairment that significantly reduces quality of life. Mirror therapy has emerged as a promising rehabilitation strategy that leverages visual feedback and neuroplasticity to enhance motor recovery. This thesis presents the design, development, and evaluation of a novel mirrored rehabilitation glove system aimed at supporting fine motor recovery in stroke patients. The system comprises a sensing glove wo… more
This item is restricted from view until July 1, 2026.
Date: December 2025
Creator: Kusler, Tyler Patrick
Partner: UNT Libraries

Perovskite Solar Cells and Avenues to Address Their Stability with the Incorporation of Two-Dimensional Materials

Description: In today's world, conventional energy resources (oil, gas, and coal) are most widely utilized for energy production, which has a negative influence on the environment, resulting in issues such as excessive air pollution, climate change, and global warming. Since we rely so much on fossil fuels for our energy needs, the harmful carbon emissions they produce, unfortunately, are one major reason for the climate change issues we face currently. This motivates us to seek alternative energy sources t… more
This item is restricted from view until January 1, 2028.
Date: December 2025
Creator: Jones, Brendan
Partner: UNT Libraries
open access

The Population Dynamics of a Breeding Population of Painted Buntings (Passerina ciris) in North Texas

Description: Urbanization and habitat fragmentation threaten many bird species; however, they can lead to the creation of urban green spaces that provide important breeding habitat. We assessed the viability of the Painted Bunting (Passerina ciris pallidior) population at the Lewisville Lake Environmental Learning Area (LLELA) within the Central conservation subunit. Using capture–mark–recapture (2017-2024) and nesting data (2020–2024), we estimated age- and sex-specific survival and fecundity to parameteri… more
Date: December 2025
Creator: Gage, Alejandra Jordan Hernandez 04/10/2000-
Partner: UNT Libraries
open access

Q'GAME: An Interactive Game to Teach Quantum Computing Basics

Description: Education is vital to perpetuating knowledge, helping discover innovations that will drive the invention of new technologies. As technology has become, and will become, more prevalent, so has, and will, the presence of games with purpose. At first, these games were mainly intended for enjoyment, but they have seen an increase as tools for learning after some learning-based games showing promising results. Educational games aim to bridge the gap between players learning more complex material and… more
Date: December 2025
Creator: Moss, Matthew Ryan 1998-
Partner: UNT Libraries
open access

The Relationship of Adverse Childhood Experiences, Acculturative Stress, and Fear of Deportation with Psychotic-like Experiences amongst Hispanic Immigrants

Description: Psychotic-like experiences (PLEs) refer to psychotic symptoms that fall below the threshold that is required for the diagnosis of a psychotic disorder, including delusions, hallucinations, and unusual thoughts, speech, and behaviors. Research has shown that PLEs are associated with the future development of psychosis. Despite numerous findings on the associations between immigration and potential risk factors for PLEs, such as stress and trauma, there remains a gap in the literature regarding h… more
Date: December 2025
Creator: Ayala, Alexandra 1996-
Partner: UNT Libraries
open access

Resource Selection Analysis of a Wintering Population of American Kestrels (Falco sparverius) in North Texas

Description: American Kestrel (Falco sparverius) populations have declined across North America since the 1960s, yet the causes of these declines remain poorly understood, particularly within their non-breeding range. To better characterize habitat use and resource needs during winter, we tracked kestrels (n = 25) using radiotelemetry across Denton County, Texas. We used Autocorrelated Kernel Density Estimations (AKDEs) to calculate utilization distributions and quantify home range areas. We applied Design … more
Date: December 2025
Creator: Prater, Brooke McKenzie 1999-
Partner: UNT Libraries

RF Application of Additively Manufactured Ceramics: Dielectric Properties Characterization and Antenna Design

Description: Additive manufacturing is changing how radio-frequency components are designed and built, making complex shapes practical and shortening the path from material to device. This thesis investigates two additively manufactured (AM) ceramic materials—boron nitride (BN) and lithium titanate (LTO)—as promising candidates for low-loss, high-performance RF applications. First, I measured their key dielectric properties using a split-post dielectric resonator method and showed how material processing pa… more
This item is restricted from view until January 1, 2028.
Date: December 2025
Creator: Vu, Anh
Partner: UNT Libraries
open access

Sparse Autoencoder Enhanced Universal Image Restoration with DACLIP and Diffusion Models

Description: Image restoration recovers high-quality images from degraded inputs affected by environmental conditions, sensor limitations, or content removal. While unified restoration frameworks like DA-CLIP achieve state-of-the-art performance through vision-language guidance and diffusion-based reconstruction, two limitations persist: cross-attended features may contain residual artifacts, and diffusion outputs often lack fine-grained spatial refinement under severe degradations. This thesis presents SAE… more
Date: December 2025
Creator: Dodia, Panam Pareshkumar
Partner: UNT Libraries

Structural Studies of Medicago Truncatula Fatty Acid Amide Hydrolases

Description: Fatty acid amide hydrolase (FAAH) utilizes a variety of acylamide substrates and is a known contributor to lipid signaling pathways in multicellular eukaryotes. Past studies have shown FAAH to inactivate N-acylethanolamine lipid mediators and other acylamides like N-acyl homoserine lactones (AHLs). Analysis of plant FAAH sequences indicated that there are two conserved groups in angiosperms, termed FAAH1 and FAAH2, with different conserved residues in the substrate binding pocket. The single FA… more
This item is restricted from view until January 1, 2027.
Date: December 2025
Creator: Herrell, Emily Michelle 1990-
Partner: UNT Libraries

Ties That Bind: Exploring Factors that Retain and Anchor Nurses in Rural Healthcare Settings

Description: This thesis explores nurse retention in rural healthcare through a mixed-methods case study of ARcare, a federally qualified health center (FQHC) system serving over 90 communities across Arkansas, Mississippi, and Kentucky. Prompted by an internal trend—nurses who leave often attempt to return within months—the research reorients the typical turnover narrative. Rather than asking why nurses leave, it asks: what anchors certain nurses in place? Drawing on Pierre Bourdieu’s theory of habitus and… more
This item is restricted from view until January 1, 2027.
Date: December 2025
Creator: Henderson, Pragart Timothy 1972-
Partner: UNT Libraries

Triple-Negative Breast Cancer Spheroids in a Dynamic Pillar-Perfusion Platform for Evaluating Enzyme-Induced Self-Assembling Peptide Therapeutics

Description: The rising incidence of breast cancer worldwide has led to the development of innovative therapeutic platforms and the implementation of new in vitro tumor models to better understand disease progression and drug resistance. To overcome such challenges, three-dimensional (3D) breast cancer spheroids were established and integrated into a pillar/perfusion system via hydrogel embedding to emulate the key features of the tumor microenvironment (TME). Hydrogel optimization enabled spheroid stabilit… more
This item is restricted from view until January 1, 2028.
Date: December 2025
Creator: Escobar Martinez, Andrea 2001-
Partner: UNT Libraries

Advanced Surface Coatings for Tribological Applications: A Study of WC/C DLC and Duplex PEO-Chameleon Systems or Coatings under Varied Temperatures and Environments

Description: Materials capable of adapting to changing environmental conditions are vital in tribological applications such as aerospace bearings, automotive engine components, and biomedical implants, where loads, temperatures, and lubrication conditions can vary drastically. Adaptive surfaces that can form protective tribofilms under stress or respond to temperature changes by altering hardness or lubrication behavior are critically important to maintaining low friction and wear across dynamic operating e… more
This item is restricted from view until August 1, 2026.
Date: July 2025
Creator: Montoya, Vanessa Lyzette
Partner: UNT Libraries
open access

Air-to-Air Modeling for Urban Air Mobility

Description: Advanced Air Mobility (AAM) represents a shift within transportation that is transformative, improving connectivity across urban, suburban, and rural environments and addressing the limitations of customary ground infrastructure by leveraging unmanned aerial vehicles (UAVs) and electric vertical takeoff and landing (eVTOL) aircraft. AAM seeks to decongest the cities, accelerate the emergency response, and extend the important services to the underserved regions because it is supported by the U.… more
Date: July 2025
Creator: Ilapuram, Sai Sruthi
Partner: UNT Libraries

Ammi

Description: "Ammi," a 30-minute documentary, offers a window on the bond between Rihanna, a daring “Well of Death” performer, and her ten-year-old son, Rihan. The narrative intricately explores Rihanna’s commitment to work and her relationship with her son. Using observational footage and direct interviews, the film weaves a narrative of passion, emancipation, motherhood and longing.
This item is restricted from view until August 1, 2030.
Date: July 2025
Creator: Ginnela, Tejasvi
Partner: UNT Libraries
open access

Analyzing Epics: Musical Formula in Video Game Boss Battle Music

Description: The topic theory is commonly presented in the study of film music, emphasizing the collaboration between musical features, cultural associations, and narrative. The same concept applies to video game music as well. Like in film studies, such musical topics can be further refined with analyses of textural and timbral placements that suit more meticulous narrative needs. In this thesis, I argue that boss battle music is a musical topic with recurring features that contribute to game narratives. M… more
Date: July 2025
Creator: Hsu, Sylvia
Partner: UNT Libraries
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