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Evaluation Of Thresholds For Adult Tarnished Plant Bug, Lygus Lineolaris (Beauvois), In Thryvon® Cotton, William Anderson Fletcher
Evaluation Of Thresholds For Adult Tarnished Plant Bug, Lygus Lineolaris (Beauvois), In Thryvon® Cotton, William Anderson Fletcher
Graduate Theses and Dissertations
Tarnished plant bug (TPB) is the most economically damaging insect pest of Mid-South cotton. TPB reduces yield is reduced by damaging squares, terminal growth, and small bolls, resulting in reduced yield. Currently, cotton grown in the Mid-South averages 1-6 insecticide applications per year for control of TPB. The introduction of ThryvOn® cotton technology provides a new management strategy for TPB control. ThryvOn® technology produces the Bacillus thuringiensis (Bt) protein Mpp51Aa2, which has insecticidal activity on TPB. A field study was conducted at five locations in 2024 and seven locations in 2025 across the Mid-South to evaluate different threshold levels for …
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, …
Keepingness: Stitching Well-Being Through Arts-Based Self-Study As Self-Care For An Art Educator, Betsy Marie Allison
Keepingness: Stitching Well-Being Through Arts-Based Self-Study As Self-Care For An Art Educator, Betsy Marie Allison
Graduate Theses and Dissertations
This thesis explores how quilting can function as a reflective and restorative practice for art educators navigating the emotional labor of teaching. Grounded in arts-based self-study and informed by a/r/tography and serendipity methodology, the study examines how hand-stitching and journaling intertwine as embodied forms of inquiry. Through the creation of hand-stitched triangular quilt blocks arranged in a spiral formation and anchored by a central dragonfly motif, the research documents the lived experiences of a public-school art educator working within the complexities of contemporary education. Journal writings stitched onto the muslin backs of each block, alongside processing photographs and material decisions, …
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 …
Agritourism Marketing Communications: An Analysis Of Practices And Challenges In Arkansas, Kyla Paige Moseley
Agritourism Marketing Communications: An Analysis Of Practices And Challenges In Arkansas, Kyla Paige Moseley
Graduate Theses and Dissertations
Agritourism is seen as an avenue for operators as another channel of income, as well as a way for the visitors to learn about and experience agriculture. Marketing communication is needed by these operations to be visible to their communities. However, there is limited literature on agritourism marketing communications practices and challenges, especially in Arkansas, and on the use of word of mouth (WOM). This study aimed to fill that gap and provide practical recommendations to agritourism operators, extension offices, and the Arkansas Agritourism Association (ArAA) on how to better market operations. Using semi-structured interview questions, ArAA operators were asked …
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 …
Dissecting The Complex Genomic Landscape Underlying Oxidative Stress Resistance Using Natural Variation In Yeast, Sonali Lakshika Anne Lenaduwe
Dissecting The Complex Genomic Landscape Underlying Oxidative Stress Resistance Using Natural Variation In Yeast, Sonali Lakshika Anne Lenaduwe
Graduate Theses and Dissertations
Stress is experienced across the tree of life. Survival in fluctuating environments depends on a robust genetic architecture. This dissertation examines the genetic and metabolic determinants underlying one such adaptive response: cross-protection. Leveraging natural variation in the stress responses of budding yeast, Saccharomyces cerevisiae, I examine the genetic variation contributing to ethanol-induced cross-protection against oxidative stress. Acquired stress resistance, in which mild pre-exposure improves survival to subsequent stresses, is prevalent across diverse organisms and can involve both same-stress and cross-protection. Using high-throughput bulk segregant analysis (BSA-seq) and advanced intercross mapping populations derived from natural yeast isolates, I identify quantitative trait …
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 …
An Assessment Of The Basihyal And Its Functional And Ontogenetic Relationships To The Masticatory Apparatus In Primates, Parker Mitchell Taylor
An Assessment Of The Basihyal And Its Functional And Ontogenetic Relationships To The Masticatory Apparatus In Primates, Parker Mitchell Taylor
Graduate Theses and Dissertations
The hyoid is central to many important functions such as feeding, vocalization, and breathing. However, primate hyoid morphology has been widely understudied compared to other aspects of craniofacial morphology. This dissertation aimed to bridge gaps in the current understanding of primate hyoid morphological variation and the hyoid’s relationship with mandibular morphology. Using microCT, diceCT, and three-dimensional geometric morphometric methods, this work details broad taxonomic variation of basihyal shape, resting hyoid position, and suprahyoid muscle architecture in primates, and assesses such variation for the effects of phylogeny, allometry, and covariation between these elements and mandibular shape. These analyses were also conducted …
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 …
The Impact Of Change In The Legal Definition Of Confidentiality On The Redaction Behavior Of U.S. Firms, Alexey Alferov
The Impact Of Change In The Legal Definition Of Confidentiality On The Redaction Behavior Of U.S. Firms, Alexey Alferov
Graduate Theses and Dissertations
U.S. public companies may redact information from material contracts in SEC filings as long as such information is not considered to be material by the SEC and when it is the type of information that the registrant treats as private and confidential. In 2021, the SEC revised redaction regulations in response to the expansion of the legal definition of ‘confidential’ by the Supreme Court of the United States. In this paper I examine whether these changes, referred to as FMI Amendments, impact companies’ decision to redact information from their material contracts filed with the SEC. In addition, I extend Thompson …
Structural Evidence For Innervation Of A Single Epitheliomuscular Cell By Multiple Sensory Neurons In The Sea Anemone Nematostella Vectensis, Aparajita Das
Graduate Theses and Dissertations
Abstract Here, I report new ultrastructural evidence for multineuronal innervation (many-one) of a single epithelia-muscular cell in sea-anemone cnidarian Nematostella vectensis. Using Serial Block-Face Scanning Electron Microscopy (SBF-SEM) and ImageJ, I found that EMCs are located at the base of ectoderm, with an elongated cell body that includes basal processes, a bilobed nucleus, and myofibrils aligned parallel to the basal surface along with their structural quantification. Notably, I found multiple mechanosensory neurons form synapses with a single EMC. These findings enhance our understanding of cnidarian neuromuscular organization and reveal that coordination between sensory and contractile systems in N. vectensis is …
Gun Violence Prevention In The Christian Church: A Deductive Content Analysis Of Faith-Based Firearm Education Resources, Sarah Winn
Graduate Theses and Dissertations
This thesis analyzed whether Christian faith-based curricula and toolkits regarding firearm safety and violence prevention align with established best practices in public health, social work, and education research. Previous research has explored the prevalence and impact of gun violence, best practices regarding gun violence and safety interventions, the effectiveness of churches as public health initiative partners, and the relationship between Christianity and views on firearms. In this study, qualitative deductive content analysis indicated that faith-based gun violence prevention toolkits are strongly oriented toward advocacy, community mobilization, and public health framing. At the same time, gaps remain in their integration 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 …
Across The Pond And Veil: Spiritualists, Female Mediums, And Ghosts In The Nineteenth-Century United States And Britain, Allison Tucker
Across The Pond And Veil: Spiritualists, Female Mediums, And Ghosts In The Nineteenth-Century United States And Britain, Allison Tucker
Graduate Theses and Dissertations
This thesis examines how women mediums in the late nineteenth-century United States and Britain shaped Spiritualism and interpreted their respective social landscapes. Spiritualist mediums claimed the ability to communicate with spirits in the spirit world. These conversations with ghosts allowed mediums to speak on recent events, traverse social boundaries, and assume positions of authority. Drawing on trance writings, spirit-authored books, newspaper articles, and the performances of women mediums, this study compares the development and practices of Spiritualism in both countries. This thesis argues that proximity to violence significantly shaped Spiritualism during its formative years. The Civil War placed Americans in …
Caregiver Self-Reflection: Does It Matter? A Study Of The Relationship Between Caregiver Self-Reflection And Participation In Home Programs In Outpatient Pediatric Physical Therapy Settings, Andrea Myane
Graduate Theses and Dissertations
Despite evidence that caregiver coaching can improve patient outcomes and caregiver participation, little information exists on the effects of its individual components. Additionally, previous research has highlighted the importance of home programs in improving pediatric physical therapy outcomes. The aim of this study is to explore the role that caregiver self-reflection, a component of caregiver coaching, plays in facilitating outcomes in the pediatric physical therapy outpatient setting. Caregivers will be asked to complete a series of self-reflection questions based on Gibbs’ Reflective Cycle, while also recording the number of minutes they spend facilitating a prescribed home program. All study participants …
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 …
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 …
Deciphering Chemomechanical Couplings In Proteins Using Molecular Dynamics And Enhanced Sampling Techniques, Matthew Brownd
Deciphering Chemomechanical Couplings In Proteins Using Molecular Dynamics And Enhanced Sampling Techniques, Matthew Brownd
Graduate Theses and Dissertations
Proteins function through a complex interplay between chemical interactions and mechanical motions across multiple spatial and temporal scales. Understanding how ligand binding, conformational dynamics, and structural flexibility collectively regulate protein function remains one of the central challenges in molecular biophysics. This dissertation presents a computational investigation into chemomechanical coupling in three distinct classes of biomolecular systems using all-atom molecular dynamics (MD) simulations and enhanced sampling methods, with particular emphasis on free-energy calculations and long-timescale conformational analysis. The first part of this work focuses on ligand binding in hyperpolarization-activated cyclic nucleotide-gated (HCN) channels, which regulate rhythmic electrical activity in the heart …
Characterization Of Snrk1 Signaling In Rice Growth, Reproduction, And Stress Responses Using Phenotypic And Omics Analysis, Maria Clara Faria-Bates
Characterization Of Snrk1 Signaling In Rice Growth, Reproduction, And Stress Responses Using Phenotypic And Omics Analysis, Maria Clara Faria-Bates
Graduate Theses and Dissertations
SnRK1 is an evolutionarily conserved protein kinase belonging to the SNF1/AMPK family that is composed of a catalytic subunit (α) and two regulatory subunits (β and βγ), and it has a major role in adjusting growth in response to the energy status. SnRK1 phosphorylates and alters the activities of enzymes involved in metabolism and regulates gene expression by altering the activity of chromatin-remodeling enzymes or transcription factors. Rice contains three functional paralogs of SnRK1α: OsSnRK1αA (Os05g0530500), OsSnRK1αB (Os8g0484600), and OsSnRK1αC (Os03g0289100). Although SnRK1 is known to play a central role in plant growth and stress responses, the functional specialization of …
Navigating Mixedness As A Multiracial Teacher, Casey S. Kraichoke
Navigating Mixedness As A Multiracial Teacher, Casey S. Kraichoke
Graduate Theses and Dissertations
This qualitative hermeneutic phenomenological study utilized Critical Multiracial Theory (MultiCrit) to construct a counternarrative that amplifies the voices of Multiracial teachers, focusing on the development of personal and teacher identity. Specifically, the study critically examines the trajectory of Multiethnic-Racial (ME-R) identity transformation following experiences teaching English as a Foreign Language (EFL) in participants’ heritage Asian countries. Data were collected through one-time semi-structured virtual interviews with fifteen purposefully selected Asian-White Multiracial EFL teachers who had completed a one-year Fulbright English Teaching Assistantship (ETA) within the past decade. Each participant also provided a written artifact to support the analysis. Participants reflected on …
The Line In The Sand: Visual Narratives Of Religious Trauma And Leaving Evangelicalism, Elizabeth Humphrey
The Line In The Sand: Visual Narratives Of Religious Trauma And Leaving Evangelicalism, Elizabeth Humphrey
Graduate Theses and Dissertations
Widespread abuse within religious institutions has challenged the assumption that religion inherently supports mental health, while rising rates of religious disaffiliation often cite trauma as a key factor. Individuals leaving harmful religious environments report a range of outcomes—from increased autonomy to emotional distress—yet research on post-disaffiliation experiences is limited. As the religious landscape of the U.S. shows decrease in religious affiliation, and stories of abuse and trauma circulate, the experience of leaving a religious community because of harm is a needed area for further inquiry. Using visual narrative inquiry, this qualitative research study explores the lived experiences of those who …
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, …
You Can Get Your Mail Sent There While You’Re Sleeping On The Street: A Community-Forward Analysis On The Role And Function Of The Northwest Arkansas Non-Profit Industry, Kaci Churchill
Graduate Theses and Dissertations
Nonprofit services are frequently sought by community members experiencing material hardship, particularly at junctures where employment- and state-based compensation fail to provide sufficiently. While barriers to aid provision have been examined from the perspective of nonprofits, various accessibility issues for community members seeking to obtain support are an under evaluated factor that influence the efficacy of nonprofits in carrying forth their mission. This qualitative study seeks to understand commonly experienced barriers to support facing resource-seeking community members. Semi-structured interviews with Northwest Arkansas community members, a region highly saturated with well-funded nonprofit agencies, shed light on recurring obstacles, and provide theoretical …
Are Sticky Prices Present In Us Ag Land Lease Rates, John Tyler Blazzard
Are Sticky Prices Present In Us Ag Land Lease Rates, John Tyler Blazzard
Graduate Theses and Dissertations
Land is an essential resource in production agriculture. Limited supply and high demand for land have resulted in increasing land values which are a barrier to entry for beginning farmers and ranchers with limited access to capital and credit. One way to overcome the high costs of purchasing land is to lease it. While more affordable than purchasing land, cash rents are also increasing. The objective of this research is to determine whether agricultural cash rents follow farm income symmetrically over time. This is accomplished by implementing Ordinary Least Squares (OLS) regressions with two-way fixed effects which account for rental …
Learning At Lunch: A Qualitative Examination Of Lunchtime Discourse In Preschool Classrooms, Savanna Lynn Gragg
Learning At Lunch: A Qualitative Examination Of Lunchtime Discourse In Preschool Classrooms, Savanna Lynn Gragg
Graduate Theses and Dissertations
This mixed-methods study examined how preschool teachers understand and use mealtime as an opportunity for children’s learning and connection. The project explored teachers’ beliefs, observed mealtime practices, and used collaborative video reflection to examine how teachers’ perspectives and behaviors evolved over time. Over five weeks, mealtimes were recorded, transcribed, and analyzed alongside reflection sessions with the teacher. Using the Arkansas Child Development Early Learning Standards (CDELS) as a developmental lens, each mealtime interaction was coded for learning opportunities across domains such as language, literacy, social-emotional growth, and self-help skills. Findings indicated that as the teacher engaged in video-supported reflection, mealtime …