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Effectiveness Of Pcit With Toddlers In A Community-Based Sample: Special Considerations For Youth With Neurodevelopmental Conditions, Rebecca Scott Bradley
Effectiveness Of Pcit With Toddlers In A Community-Based Sample: Special Considerations For Youth With Neurodevelopmental Conditions, Rebecca Scott Bradley
Graduate Theses and Dissertations
The early caregiving environment serves as the context in which young children develop emotional regulation abilities. While supportive, responsive caregiving is crucial for helping children regulate their own emotions in times of stress, disruptions to the parent-child relationship may set the stage for poor emotion regulation throughout childhood. Emotional and behavioral problems, particularly in children with neurodevelopmental conditions, may stem from early difficulties with emotion regulation. If left untreated, emotion dysregulation in children can mark a trajectory towards continued social-emotional concerns and family disruption; as such, the toddler years represent an ideal time for intervention. Parent-Child Interaction Therapy for Toddlers …
Challenges And Opportunities In Dry Aging: Producer Perspectives And Valorization Of Dry- Aged Waste Products, Peyton Scout Arnold
Challenges And Opportunities In Dry Aging: Producer Perspectives And Valorization Of Dry- Aged Waste Products, Peyton Scout Arnold
Graduate Theses and Dissertations
Despite the projected increase in the dry aging market, producers may be hesitant to incorporate dry aging practices. This thesis aims to identify primary concerns faced by producers in implementing a dry aging program. Semi-structured interview surveys were conducted via Qualtrics (N = 100). Results indicated that an “advanced” level of dry aging knowledge correlated with a higher importance in the use/sale of dry aged products (P = 0.02). Cost, demand, and sourcing were the top three concerns of producers practicing dry aging. Those considering implementation were concerned with cost, processing parameters, safety, demand, and sourcing. No significant differences were …
Design, Fabrication, And Testing Of A Pdms-Based Nanochannel Using Nano Embossing, Cooper James Haskamp
Design, Fabrication, And Testing Of A Pdms-Based Nanochannel Using Nano Embossing, Cooper James Haskamp
Graduate Theses and Dissertations
DNA sequencing has become increasingly important in the field of biomedical research and clinical applications. Currently, the most well-established sequencing technique is ‘Sequencing by Synthesis’ with accuracy in the range of 99.2% to 99.74% and sequencing lengths of only 300 base pairs. Sequencing by Synthesis is a lab-based method that requires expensive equipment and fast parallel computing. It is not suitable for portable, on-site applications. A new technique known as ‘nanopore’ was developed to meet these requirements. Nanopore is an electrical sequencing method that relies on the translocation of a DNA molecule through a nanoscale pore, where the blockage current …
Arkansas’ Crippled Children’S Homes & The Politics Of Polio, Rylie Ford
Arkansas’ Crippled Children’S Homes & The Politics Of Polio, Rylie Ford
Graduate Theses and Dissertations
Most of the work in the field of disability history has centered on the Northeastern part of the United States and regions with large urban centers, therefore, excluding Southern and rural perspectives. This omission is particularly problematic when roughly 79% of the Black population in the United States lived in the South in 1940. The aim of this study is to contribute a Southern perspective to disability studies and Black medical history by tracing the development of services and aid for children with physical disabilities in Arkansas. Employing the frameworks from the social model of disability and Black disability politics, …
Design And Modeling Of A Robotic Manipulator For Agricultural Explorations, Trent Thomas Powell
Design And Modeling Of A Robotic Manipulator For Agricultural Explorations, Trent Thomas Powell
Graduate Theses and Dissertations
This thesis focuses on the modeling, design, and early testing of a spherical revolute revolute prismatic (RRP) robotic manipulator for probe based applications. The system is motivated by agricultural grain probing, where a probe is positioned over a truck bed and inserted into the grain to collect samples as trucks enter storage facilities, ports, hubs, or transfer points. A spherical RRP configuration is useful for this type of task because it provides a large accessible workspace while maintaining a relatively simple mechanical structure. A model based design approach is used to develop the system, beginning with forward and inverse kinematics …
Development Of Medical Device For Hypovolemic Assessment Using Peripheral Venous Pressure, Connor J. Breshears
Development Of Medical Device For Hypovolemic Assessment Using Peripheral Venous Pressure, Connor J. Breshears
Graduate Theses and Dissertations
Accurate assessment of intravascular volume status remains challenging because traditional measurements such as heart rate, blood pressure, physical examination findings, and laboratory values may be subjective, delayed, or insensitive to early volume loss. Peripheral venous pressure (PVP) waveform analysis provides a potential approach for minimally invasive volume-status monitoring because PVP waveforms can be acquired from peripheral venous access and may contain frequency-domain information related to cardiac activity, respiratory modulation, vascular coupling, and intravascular filling. This thesis presents the development and evaluation of a proof-of-concept embedded prototype for PVP waveform acquisition and volume-status classification. The system integrates a Millar MEMS pressure …
Soilless Substrates As A Critical Control Point For Mitigating Food Safety Risks Within Hydroponic Leaf Lettuce Production, Eric Nuertey Tetteh
Soilless Substrates As A Critical Control Point For Mitigating Food Safety Risks Within Hydroponic Leaf Lettuce Production, Eric Nuertey Tetteh
Graduate Theses and Dissertations
The effect of hydroponic soilless substrates and microbial biocontrol agents on the persistence of foodborne pathogens in indoor lettuce production is variable depending on substrate type, pathogen species, and biocontrol formulation. This study addressed key gaps by first characterizing the ability of different substrates to support Salmonella and Listeria monocytogenes survival and then evaluating the ability of pine biochar and Bacillus subtilis to suppress pathogen persistence in selected substrates under controlled conditions. In the first experiment, the persistence of Salmonella and L. monocytogenes was evaluated in four soilless substrates: rockwool (RW), low density foam (LDF), peat moss (PM) and coco …
The Narrative Dynamics Of Special Books By Special Kids Youtube Videos And Comments: A Study Of Disability Rhetoric And Public Narrative Engagement, Jessica Louise Allee
The Narrative Dynamics Of Special Books By Special Kids Youtube Videos And Comments: A Study Of Disability Rhetoric And Public Narrative Engagement, Jessica Louise Allee
Graduate Theses and Dissertations
Digital media has expanded disability advocacy and community building by enabling accessible, visual storytelling and connection. Special Books by Special Kids (SBSK), a YouTube channel using interview-based disability storytelling, foregrounds people’s experiences with disabilities in the videos, while inviting viewers to interpret, identify with, and respond in the comments. As a participatory storytelling space, SBSK offers a site for examining how disability meanings are constructed, negotiated, and transformed through narratives, multimodal practices, and audience uptake, while revealing how dominant disability rhetoric or ableist discourse that positions people with disabilities as burdens, inherently deficient, or socially devalued, can be reproduced, complicated, …
Coupled Effects Of Sub-Atmospheric Pressure And Surface Structures On Pool Boiling Performance And Hysteresis Pathways, Mohammad Ishraq Hossain
Coupled Effects Of Sub-Atmospheric Pressure And Surface Structures On Pool Boiling Performance And Hysteresis Pathways, Mohammad Ishraq Hossain
Graduate Theses and Dissertations
The increasing power density of microelectronics has created a need for cooling technologies capable of maintaining low operating temperatures. Sub-atmospheric pool boiling of water is promising because reducing saturation pressure lowers the boiling temperature, enabling two phase cooling within electronics-relevant temperature limits. However, reduced pressure also affects CHF, HTC, and post-CHF recovery. In this work, pool boiling experiments were conducted on flat copper, microchannel copper, and micro-pin-fin copper surfaces over 10–100 kPa to examine the coupled effects of pressure and surface structure. CHF and HTC increased with pressure, while structured surfaces enhanced both relative to flat copper. Surface structure dominated …
Harness: Hybrid Architecture For Resilience In Networked Engineering System Simulations, Daniel Scott
Harness: Hybrid Architecture For Resilience In Networked Engineering System Simulations, Daniel Scott
Graduate Theses and Dissertations
This dissertation presents the development of HARNESS, a unified, domain-agnostic framework for the modeling, optimization, and evaluation of complex systems under conditions of degradation and uncertainty. The research addresses a persistent challenge in systems engineering: the lack of a generalizable, behaviorally grounded approach for quantifying resilience and robustness across diverse domains. HARNESS integrates graph-theoretic dependency modeling, GPU-accelerated evolutionary optimization, and agent-based simulation into a modular architecture that enables both system design and diagnostic analysis. The framework models system interdependencies through user-defined components, parameters, and constraints, allowing architectures to evolve dynamically while maintaining structural validity. A mutation-only genetic algorithm with a …
Inherent Frames Of Mind, Karlena Fletcher
Inherent Frames Of Mind, Karlena Fletcher
Graduate Theses and Dissertations
Inherent Frames of Mind is a mixed-media painting series that serves to investigate and celebrate the intersections between the artist and the family, friends, and places that have shaped her. These people and environments are embodied abstractly in the artwork by inanimate objects, flora and fauna, patterns, colors, and materials that are shared between them. It investigates the phenomenon when otherwise peripheral items are transformed into cornerstones of the artist’s history. These items are juxtaposed within hybrid compositions of floating imagery, ready to be scrutinized and cherished. This thesis also outlines the artist’s return to her most inherent ways of …
Exploring Google Trends In Assessing Personal Finance Needs For Cooperative Extension Service Programming, Megan Wells
Exploring Google Trends In Assessing Personal Finance Needs For Cooperative Extension Service Programming, Megan Wells
Graduate Theses and Dissertations
The Cooperative Extension Service (CES) relies on systematic needs assessments to guide program development; yet, traditional approaches often depend heavily on stakeholder input and professional judgment, offering limited insight into consumer level needs. This mixed methods study explored Google Trends as a complementary, consumer driven data source for assessing Family Resource Management (FRM) needs within the Arkansas CES. Grounded in Witkin and Altschuld’s three level needs assessment framework and Uses and Gratifications Theory, the study integrated three data sources representing stakeholders, service providers, and consumers: (1) Family and Consumer Sciences (FCS) advisory committee reports, (2) survey of Family Consumer Science …
Every Why Hath A Wherefore, Harrison Baxley
Every Why Hath A Wherefore, Harrison Baxley
Graduate Theses and Dissertations
This thesis investigates techniques learned in classes at the University of Arkansas that would prepare me for my thesis role as both Dromio twins in The Comedy of Errors. The fast-paced production required a demanding performance from me mentally and physically, with rapid changes between each character. This project breaks down developmental training from One Person Show and Acting Studio classes that would prove essential to my thesis role. The result of this project has led to a toolbox for approaching a career in clowning, multi-character performance, and audience connection.
Burning In The Aftermath: Lightning The Trojan Women, Olivia Mack
Burning In The Aftermath: Lightning The Trojan Women, Olivia Mack
Graduate Theses and Dissertations
This thesis documents the lighting design process for The Trojan Women at the University of Arkansas, exploring how light can hold space for grief, devastation, beauty, and survival. Guided by the central conceptual image of “flowers burning in a garden,” the design sought to balance fragility and destruction allowing moments of tenderness to exist within the wreckage of war. This document reflects on research, collaboration, conceptual development, drafting, cueing, and rehearsal-to-performance evolution. It evaluates the emotional and visual effectiveness of color, angle, texture, and rhythm in shaping audience experience. Production photographs, the light plot, and cue paperwork are included to …
Mechanisms Of Bacterial Glucokinase Inactivation Through Site-Specific Lysine Modification And Chemical Inhibition, Joseph Robert Will Andrews
Mechanisms Of Bacterial Glucokinase Inactivation Through Site-Specific Lysine Modification And Chemical Inhibition, Joseph Robert Will Andrews
Graduate Theses and Dissertations
Glycolysis and related metabolic pathways are controlled by various post-translational modifications (PTMs) that affect enzyme activity and metabolic flow. In E. coli, glucokinase (GLK) sits at the crossroads of glycolysis and the pentose phosphate pathway and carries out the first committed step of glycolysis: ATP-dependent phosphorylation of glucose. While it's known that glucose binding causes GLK to close its domains, how phosphate binding, lysine modification, and small-molecule inhibitors regulate GLK's shape and function is still not fully understood. Here, I combine structural biochemistry and enzymology to figure out how phosphate binding, specific mutations, and chemical inhibitors affect E. coli GLK. …
Modeling Bicycle Ridership In Northwest Arkansas, Nelofar Qulizada
Modeling Bicycle Ridership In Northwest Arkansas, Nelofar Qulizada
Graduate Theses and Dissertations
In a global comparison, the U.S. ranks second lowest in bicycle use for urban trips, surpassed only by Brazil. This underutilization signals missed opportunities to improve public health, environmental sustainability, and community connections. In Northwest Arkansas (NWA), a region actively investing in active transportation infrastructure, efforts were underway to reverse this trend. However, a key question remained: Were these investments effectively boosting bicycle ridership? To address this question, communities required reliable methods to measure cycling activity. Traditionally, this involved stationary counters placed at strategic locations to monitor ridership patterns. While accurate, these counters had limited spatial coverage. In contrast, emerging …
Perceptions Of Academic And College Preparation Skills Gained Through Concurrent College Credit Courses: A Case Study Of Students From Rural, High-Poverty Communities, Jessica Erin Culver
Perceptions Of Academic And College Preparation Skills Gained Through Concurrent College Credit Courses: A Case Study Of Students From Rural, High-Poverty Communities, Jessica Erin Culver
Graduate Theses and Dissertations
Abstract Concurrent college credit courses are growing at a rapid pace nationwide, with large numbers of high school students now earning college credit before the end of their twelfth-grade year. In Arkansas, this trend of increased concurrent college course enrollment is evident, with over 23,000 students enrolled in concurrent courses during the 2024 school year (Arkansas Division of Higher Education, 2024). Arkansas continued to emphasize the need for concurrent courses with the 2025 ACCESS Act, encouraging students to take concurrent courses as a path to future college and career success (Arkansas Division of Higher Education, 2025a). As concurrent courses continue …
Empirical Line Calibration And Spectral Comparison Of Small Unmanned Aircraft Systems, Shimon Von-Rad Alexis Beazer
Empirical Line Calibration And Spectral Comparison Of Small Unmanned Aircraft Systems, Shimon Von-Rad Alexis Beazer
Graduate Theses and Dissertations
The increased usage of unmanned aircraft systems (UAS) for various applications has broadened access to high-resolution aerial imaging, a field with deep roots in geography, remote sensing, and geospatial science. Radiometric correction in satellite imagery has its origins in the early decades of Earth observation, with foundational work beginning alongside the launch of the first multispectral satellites and evolving through decades of research into atmospheric correction, sensor calibration, and reflectance modelling. As UAS adoption grows, research into atmospheric attenuation effects on UAS imagery becomes necessary. Empirical line calibration converts digital number values to surface reflectance and is used here to …
Design And Evaluation Of A Single-Gate Multi-Threshold Null Convention Logic Architecture For Area Efficiency, John Edward Swaim
Design And Evaluation Of A Single-Gate Multi-Threshold Null Convention Logic Architecture For Area Efficiency, John Edward Swaim
Graduate Theses and Dissertations
Asynchronous circuit design paradigms, such as NULL convention logic (NCL) and Multi-Threshold NCL (MTNCL), offer increased energy efficiency over synchronous equivalents and robust pipelines with minimal timing analysis. However, their dependency on dual-rail signal encoding causes significant overhead compared to single-rail equivalents. Previous single-gate and single-rail NCL paradigms have sought to reduce circuit area, but most compromise their quasi-delay-insensitivity and correct-by-construction nature with logic gate and system-level design choices. This thesis presents Single-Gate MTNCL (SG-MTNCL), a register controlled, single-gate, and dual-rail asynchronous architecture to improve the area efficiency of MTNCL without compromising the reliability of previous paradigms. The benefits of …
Through The Looking-Glass: A Process Of Trust And Discovery, Selena Mykenzie Gordon
Through The Looking-Glass: A Process Of Trust And Discovery, Selena Mykenzie Gordon
Graduate Theses and Dissertations
This thesis explores the process of joy, trust, and discovery I have cultivated as a professional actor and its application in various productions. I will examine my role as Sabine in Ken Ludwig’s The Three Musketeers at TheatreSquared in Fall of 2025, as well as the role of Alice in my One Person Show, titled Curiouser, developed in Spring of 2024. Included in this document is my artistic statement, my one-person show script, production posters and programs, production photos, website link, headshot and resume, my character analysis of Sabine, One-Person Show class writing prompts, and proof of permission for use …
Dutiful Wife, Grieving Mother: Examining Medieval Joban Allusion Through A Matricentric Affective Lens, Morgan Lee
Dutiful Wife, Grieving Mother: Examining Medieval Joban Allusion Through A Matricentric Affective Lens, Morgan Lee
Graduate Theses and Dissertations
This thesis uses concepts of matricentrism and affect to examine the legacy of Job and its frequent medieval allusions in stories featuring grieving mothers. It specifically analyzes how, in order to be considered noble, steadfast sufferers, women were expected to relinquish their maternal grief and adopt a stoic affect. This was often to the benefit of or in the direct service of their husbands. The analysis covers three women in particular: Job’s wife (who is examined through the medieval commentary written about her), Prudence from Chaucer’s "Tale of Melibee," and Griselda from Chaucer’s "Clerk’s Tale." This thesis utilizes medieval conduct …
Automated Circuit Design Algorithm And Implementation For Asynchronous Reset (Ares) Physically Unclonable Functions, Andrew Michael Felder
Automated Circuit Design Algorithm And Implementation For Asynchronous Reset (Ares) Physically Unclonable Functions, Andrew Michael Felder
Graduate Theses and Dissertations
Technology is increasingly interwoven in all aspects of society as it solves new problems, creates new possibilities, and enables new conveniences. With its unceasing evolution, environments handling protected information such as military, finance, and medicine demand ever-evolving threat mitigation. Combating attackers’ abilities to spoof devices, uncover cryptographic keys, and bypass security features is a never-ending task which drives technological advancement to improve existing capabilities and develop entirely new methodologies. In this dissertation work, the hybrid Asynchronous RESet Physically Unclonable Function (ARES PUF) is evaluated at the circuit to determine its merits as a PUF. As part of this evaluation, results …
Privacy Protection In Machine Learning: Methods For Structured And Unstructured Data, Karuna Bhaila
Privacy Protection In Machine Learning: Methods For Structured And Unstructured Data, Karuna Bhaila
Graduate Theses and Dissertations
As machine learning models become increasingly integrated into data-driven decision-making, the protection of sensitive information throughout the model lifecycle is a paramount concern. As these models process and memorize sensitive, proprietary, or personal data, they risk leaking information through their outputs or internal states, especially in domains such as healthcare and finance. The protection of data in machine learning has thus been a crucial field of study. Within this paradigm, researchers have studied theoretical and application-oriented mechanisms for realizing privacy protections for various data formats. Nonetheless, privacy in machine learning still has many open problems, especially with the emergence of …
Efficient Deep Neural Networks For Autonomous Perception, Reeshad Khan
Efficient Deep Neural Networks For Autonomous Perception, Reeshad Khan
Graduate Theses and Dissertations
Autonomous perception systems must operate reliably under uncertainty arising from noisy observations, incomplete supervision, and hardware constraints. This dissertation investigates the design of efficient deep neural networks for autonomous perception through a unified perspective that treats uncertainty, efficiency, and sensing as interconnected challenges. The first contribution develops adaptive extensions of unbiased risk estimators, including eSURE and ePURE, enabling unsupervised training of deep neural networks for magnetic resonance image denoising under Gaussian and Poisson noise. However, these methods rely on known noise assumptions, which motivates the second contribution: a unified diffusion and Bayesian risk framework that estimates and adapts to unknown …
Misusing Mariátegui: The Strategic Use Of José Carlos Mariátegui By Peru’S Sendero Luminoso, Shaylee Luedders
Misusing Mariátegui: The Strategic Use Of José Carlos Mariátegui By Peru’S Sendero Luminoso, Shaylee Luedders
Graduate Theses and Dissertations
The Peruvian Communist Party - Sendero Luminoso (SL) was a violent communist guerrilla group that was active in Peru in the 1980s and early 1990s. SL’s guiding ideology was “Gonzalo Thought,” named for the Party’s leader, Abimael Guzmán, who was known to his followers as Presidente Gonzalo. Greatly inspired by Marxism-Leninism-Maoism, Gonzalo Thought also drew heavily from the work of José Carlos Mariátegui, an early 20th-century socialist Peruvian intellectual. One of Mariategui’s key ideas held that the Inca Empire was communist and that living Indigenous Peruvians retained this pre-modern “communist spirit.” For him, this meant that authentic Peruvian institutions and …
Sedimentary Provenance Of The Pliocene – Pleistocene Giant Foresets Formation, Offshore Taranaki Basin, Aotearoa New Zealand, Anurag Kulkarrni
Sedimentary Provenance Of The Pliocene – Pleistocene Giant Foresets Formation, Offshore Taranaki Basin, Aotearoa New Zealand, Anurag Kulkarrni
Graduate Theses and Dissertations
Sediment input and dispersal in the Taranaki Basin, offshore New Zealand’s North Island, was influenced by a complex interplay of ocean currents and sea level fluctuations over the late Neogene. This period of time was recorded in the Pliocene-Pleistocene Giant Foresets Formation (GFF) that represents a rapid progradation of the western continental shelf into the basin. High sedimentation rates during this time were likely a major contributing factor to the emplacement of multiple, large-scale (up to ~3,500 km3) mass-transport deposits (MTD) that were caused by shelf and slope collapse within the GFF of similar scale to that of the well-studied …
Developmental Mathematics As A Potential Barrier To Degree Completion In Community Colleges, Cynthia Bernice Fletcher
Developmental Mathematics As A Potential Barrier To Degree Completion In Community Colleges, Cynthia Bernice Fletcher
Graduate Theses and Dissertations
Developmental mathematics is often seen as a barrier to student progression in community colleges, especially for students pursuing Associate of Science degrees requiring math coursework. This quantitative, ex post facto, non-experimental study examined how developmental mathematics factors predicted Associate of Science degree completion at a two-year community college in the West South-Central United States. Specifically, it assessed how academic performance in developmental mathematics, placement method, math pathway, and number of developmental math courses related to Associate of Science degree completion, as well as differences across student subgroups. Archival institutional data were used for first-time-in-college students across four cohorts: 2018, 2019, …
Genre Prediction Using Rnns And Llm-Enhanced Video Game Review Data, Gabriel Young
Genre Prediction Using Rnns And Llm-Enhanced Video Game Review Data, Gabriel Young
Graduate Theses and Dissertations
LLMs (Large Language Models) are powerful tools for engaging with textual data, carrying many advantages over classical NLP (Natural Language Processing) and ML (Machine Learning) approaches. However, a classical ML model can still be faster, more efficient to run, and accessible than an LLM. We seek to gain the benefits of LLM text comprehension and preserve them in a classical ML model, a hybrid approach. The LLM operates on text to surface relevant information and associations in our problem space, then the ML model trains on the LLM output. The model may learn from the LLM and provide a more …
An Efficient Implementation Of Gibbs-Duhem Integration For Solid-Liquid Phase Coexistence In Binary Lennard-Jones System With Relevance To Aav Capsid Separation, Muhi Muntaka
Graduate Theses and Dissertations
Gene therapy using adeno-associated viruses (AAVs) holds promise for treating genetic diseases, but high manufacturing costs limit its widespread use. A major challenge is separating functional (full) AAV capsids from non-functional (empty) ones, which are produced in similar amounts and have nearly identical structures. Conventional purification methods, such as density gradient ultracentrifugation and chromatography, face drawbacks like low yield, poor scalability, and high cost, often requiring multi-step processes. Recently, selective crystallization has emerged as a promising alternative, offering improved efficiency, scalability, and product quality. However, optimizing this method requires a deep understanding of thermodynamic phase behavior in multicomponent systems. In …
Unveiling Factors Influencing Extract Yield From Milled Rice In Brewing, Matthew Aitkens
Unveiling Factors Influencing Extract Yield From Milled Rice In Brewing, Matthew Aitkens
Graduate Theses and Dissertations
Rice (Oryza sativa L.) presents a locally sourced, climate-resistant starch source for the brewing industry. As barley faces increased uncertainty due to rising temperatures, Arkansas-grown rice offers a more stable and cost-effective alternative starch source. However, the use of milled adjunct rice by brewers has remained limited, largely due to knowledge gaps about cultivar-specific properties relative to brewing. Chapter 1 provides an overview of rice as a brewing adjunct, reviewing the physiochemical properties important to brewing success. These properties include kernel size, kernel breakage, amylose content, and gelatinization temperature. Mashing strategies for multiple different brewing layouts are overviewed, showing practical …