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Analysis Of Battery Degradation Effects On Optimized Torque Splitting In Dual-Motor Electric Vehicles, Homer E. Butcher

Graduate Theses, Dissertations, and Problem Reports (ETD)

Battery electric vehicle performance depends on both powertrain efficiency and battery-health. In dual-motor all-wheel-drive battery electric vehicles, driver-requested torque can be distributed between front and rear electric drive units, creating an opportunity to reduce electrical energy demand through torque allocation. However, lithium-ion battery aging changes the electrical behavior of the energy storage system through capacity fade and internal resistance growth. Capacity fade reduces the usable energy and vehicle range, while resistance growth increases voltage drop, current-related losses, and battery electrical loading. This thesis evaluates how these degradation effects influence the energy consumption, simulated range, and battery electrical behavior of optimized …

Stakeholder Perceptions Of West Virginia’S Artificial Food Dye Ban In K–12 School Meals: Initial Year Of 2025-2026, Leah Michelle Rogers

Graduate Theses, Dissertations, and Problem Reports (ETD)

OBJECTIVES: Artificial food dyes (AFD+) are an increasing policy concern in the U.S., particularly in children’s foods. West Virginia’s House Bill 2354, the first statewide AFD+ ban implemented in K-12 schools, restricts seven AFD+ in state-funded meals. Little is known about how AFD+ bans are perceived or implemented. This study examined how the ban functioned within school food systems and the barriers and facilitators experienced by school stakeholders within the initial year of implementation during the 2025-2026 school year.

METHODS: A cross-sectional, observational mixed-methods study was conducted among implementers, enforcers, and receivers of the policy. A survey tool …

Surrogate-Based Approaches For Evaluating Post-Harvest Food Safety Interventions In Fresh Produce, Md Shafiul Islam Rion

Graduate Theses, Dissertations, and Problem Reports (ETD)

Pathogenic bacteria are still a threat to human beings worldwide as their presence is often unknown even if they are already present in fresh produces. This in turn resulted in several outbreaks and recalls across the United States. This dissertation investigated the survival of pathogenic bacteria and their potential non-pathogenic surrogates after antimicrobial interventions in different modes of applications on the surface of cantaloupes, butternut squash, and fresh cilantro. In the first study, peroxyacetic acid (PAA) was applied in three separate doses on nalidixic acid resistant Salmonella Typhimurium, Listeria monocytogenes, Enterococcus faecium, and Listeria innocua inoculated cantaloupe surfaces …

Do The Adaptogenic Mushrooms, Cordyceps Militaris And Hericium Erinaceus, Produce Caffeine-Like Discriminative-Stimulus Effects?, Stephen James Cullinan

Graduate Theses, Dissertations, and Problem Reports (ETD)

Caffeine is one of the most widely consumed drugs in the United States, but its excessive consumption increases the risk of heart disease, sleep problems, and anxiety. In response to these issues, there has been a rise in efforts to find safer alternatives to caffeine while maintaining similar subjective effects. The adaptogenic mushrooms, cordyceps and lion’s mane, are claimed to have similar energy- and mood-enhancing effects as caffeine; however, there is limited research directly comparing their effects to caffeine. A drug-discrimination paradigm, in which rats were trained to discriminate between caffeine and saline, was used to compare the discriminative-stimulus effects …

Improving The Continuity Of Care For Opioid Use Disorder: Investigating Fentanyl Overdose Outcomes And Pharmacy-Level Buprenorphine Access, Lyn Yuen Choo

Graduate Theses, Dissertations, and Problem Reports (ETD)

Opioid overdose (OD) deaths remain a leading cause of injury-related death in the United States (US) and approximately 76,516 drug OD deaths were predicted in the past year prior to April 2025. While previous research has focused on fatal opioid ODs, less is known about outcomes following non-fatal opioid ODs (NFOO) involving fentanyl. Patients who experienced a fentanyl OD may develop significant morbidity and inpatient mortality due to fentanyl’s high potency, rapid onset of action, and decreased response to naloxone. Research efforts to improve continuity of care for opioid use disorder (OUD) are highly needed to ensure appropriate follow-up care …

Shaping Occupational Self-Efficacy In Complex Jobs: Cognitive Flexibility, Role Stressors, And The Workplace, Carolyn Henn

Graduate Theses, Dissertations, and Problem Reports (ETD)

Career advancement in many professions requires employees to move beyond a single specialized role and perform effectively across different responsibilities. These complex jobs often combine technical work, project oversight, client interaction, financial accountability, and coordination with others. Successfully managing these overlapping responsibilities requires strong occupational self-efficacy, but not much is known about the factors that shape employees’ confidence in their ability to perform in complex jobs, particularly under role stress. This study uses cross-sectional survey data from 132 full-time professionals working in complex, multi-role jobs across a range of industries to examine how cognitive flexibility, role stressors, and job demands …

Who, What, When, Where And Why? Breaking Down The Creation And Adoption Of New College Programs And Their Impact On Higher Education: A Quantitative Study, Chandler Thomas-Scott Sagal

Graduate Theses, Dissertations, and Problem Reports (ETD)

Institutions of higher education have historically been designed as engines of innovation and knowledge dissemination in the United States and across the world. Whether this comes by way of short-term credentialing programs at community colleges or through R1 research programs at prestigious universities, all institutions deliver value and knowledge through their academic programs. Over the past decade, colleges across the country have been adding new programs at a frantic pace. While some of these programs seem to provide a clear path forward to gainful employment, some have fallen flat and proven to be bad investments by both the institution and, …

A Survey Of Disability-Inclusive K-12 Public School Music Programs In The United States Where Best Buddies Friendship Programs Have Been Established, Geena Louise Jeffries Mattox

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study examines the presence and structural characteristics of disability-inclusive band, orchestra, and choir programs serving students with intellectual and developmental disabilities (IDDs) in K-12 public schools across the United States that implement the Best Buddies School Friendship Program. Intellectual and Developmental Disabilities is defined as group of chronic, lifelong conditions that originate before age 22, affecting physical, learning, language, or behavior areas. Despite federal legislation, peer reviewed scholarship specifically addressing access to performance-based music ensembles for students with IDDs remain comparatively limited. Employing a survey distributed nationwide within a defined population of schools implementing Best Buddies Programs, administered via …

Assessing Water Quality In Drinking Water Distribution Systems: Rural Infrastructure Challenges, Hydrodynamic Effects On Biofilms, And Biofilm Contribution To Disinfection By-Products Formation, Vinila Vasam

Graduate Theses, Dissertations, and Problem Reports (ETD)

Access to clean and safe drinking water remains one of the most persistent public health and environmental challenges in the United States. Maintaining water quality after leaving the treatment plant in drinking water distribution systems (DWDS) is a complicated and often overlooked challenge. Most research focuses on water treatment and source water quality, but not on the miles of pipe that follow. Aging infrastructure, complex flow patterns in the DWDS, and limited resources make water quality management especially difficult. This dissertation includes three core studies: 1) A system-level analysis of small and rural utilities in the geographically complex region of …

Unsuccessful? Universal Human Rights And The United Nations: Russian Imperialism In Ukraine And The Post-Udhr International System, Sofiia Novytska

Graduate Theses, Dissertations, and Problem Reports (ETD)

Human universality has always stood as a controversial subject and remains politically contentious today. Following the humanitarian crisis of World War II, the international community was determined to protect the integrity and dignity of people worldwide by developing the United Nations’ Universal Declaration of Human Rights. However, universal human rights were not invented by the Declaration and were already conceptually established in global ancient thought, further evolved into Early Modern scholarship, and later paved the way for modern humanitarian frameworks. The UDHR was not universally well-received, and was criticized for its revolutionary legal character, postcolonial contestation, and practical ambiguity. The …

The Hidden Process Of Student Placements: Perspectives From Slp, Ot, And Pt Coordinators, Almara Jane Sidney Hutchinson

Graduate Theses, Dissertations, and Problem Reports (ETD)

This comparative multi-case study examined the unseen processes behind clinical placement planning in allied health education. Clinical placements are essential to preparing students in speech-language pathology (SLP), occupational therapy (OT), and physical therapy (PT); however, little research has explored how Directors and Coordinators of Clinical Education (DCE/CCEs) navigate the complex decision-making involved in planning these experiences. Guided by Greco and Myers’ (2024) framework conceptualizing placement planning as an interaction between process and experience, this study explored how coordinators described their planning processes and the role of student-centeredness within them.

Semi-structured interviews were conducted with 12 DCEs/CCEs representing SLP, OT, and …

Social Media Addiction And Its Influence On The Physical Social Interactions Among West Virginia University Students, Blessing Ochom Omaleko

Graduate Theses, Dissertations, and Problem Reports (ETD)

ABSTRACT

Social Media Addiction and its Influence on the Physical Social Interactions Among West Virginia University Students

Blessing O. Omaleko

This qualitative study investigated social media addiction and its perceived influence on face-to-face interactions among 14 West Virginia University students using an open-ended qualitative survey. Grounded in Griffiths' (2013) behavioral addiction components, salience, mood modification, conflict, and relapse, the data were analyzed using Thematic Analysis (Braun & Clarke, 2006). Findings revealed that while students characterized their social media use as a habit rather than an addiction, their descriptions aligned with multiple addiction components. Students consistently valued in-person interactions over online …

Difficult Tasks And Strained Ties: Irritation As A Mediator For Relationship Quality And Caregiver Distress, Payton Elisabeth Radcliffe

Graduate Theses, Dissertations, and Problem Reports (ETD)

Caregiving, defined as providing regular unpaid assistance to individuals with chronic illness or disability, is a widespread role associated with both societal benefit and psychological strain (Berg et al., 2021; Schulz et al., 2020). Prior research indicates that perceived caregiving difficulty is a key predictor of caregiver distress, though the mechanisms underlying this association remain unclear (Blom et al., 2024; Gérain & Zech, 2022). Drawing on the Stress Process Model (Pearlin et al., 1990), the present study examined irritation as a mediator linking perceived caregiving difficulty to relationship quality and caregiver distress, while also testing whether caregiver relationship type moderates …

Effectiveness Of Occupational Therapy-Inspired Educational Sessions For Mothers Accessing Women, Infants, And Children (Wic) Services, Samantha Annette Merew

Graduate Theses, Dissertations, and Problem Reports (ETD)

This doctoral capstone project examined the effectiveness of occupational therapy (OT)-inspired group and one-on-one educational sessions designed to support the emotional, mental, and social well-being of pregnant and postpartum mothers accessing Women, Infants, and Children (WIC) services in Onslow County, North Carolina. Grounded in the Model of Human Occupation and Cognitive Behavioral Frame of Reference, the program aimed to address gaps in holistic maternal health support, particularly among low-income and at-risk populations. Eight structured group sessions and five one-on-one sessions were developed, implemented, and evaluated, focusing on topics such as stress management, emotional regulation, self-care, role transition, and self-advocacy. A …

Preference Of Smiling Esthetics By Caucasian And Chinese Orthodontic Professionals, Tamana Spingher

Graduate Theses, Dissertations, and Problem Reports (ETD)

Background and Objectives: Comprehensive orthodontic treatment aims to achieve optimal facial esthetics, which is guided by established norms that have shown variability across different ethnic and gender groups. There is a paucity of literature comparing the esthetic preferences of Chinese and Caucasian orthodontic professionals regarding smiling esthetics. The purpose of this study was to determine the perceived smiling attractiveness ratings between Chinese and Caucasian orthodontic professionals. Methods: One Chinese and one Caucasian lateral smiling photograph generated by artificial intelligence (AI) were used in this study. The maxillary central incisor position was digitally manipulated to simulate variations in anteroposterior (AP) position …

Comparison Of Three Methods In Diagnosing Maxillary Transverse Discrepancy, Madison Hull Smith

Graduate Theses, Dissertations, and Problem Reports (ETD)

ABSTRACT

Comparison of Three Methods in Diagnosing Maxillary Transverse Discrepancy

Thesis by Madison Smith, D.D.S.

Introduction

There are several different methods in determining the maxillary transverse discrepancy (MTD). In specific, MTD can be determined with the help of a cone beam computer tomography (CBCT), 3D scan and models, or simply a 2D occlusogram.  Do they provide the same MTD values for diagnosing transverse discrepancies? A patient may need a certain amount of skeletal and dental expansion based on a diagnosis of MTD, but this amount may vary depending on the diagnosis method used. There is a lack of knowledge in …

The Resilient Educator: Examining The Role Of Resilience On A First-Year Rural Music Educator’S Job Satisfaction, Isaac Price

Graduate Theses, Dissertations, and Problem Reports (ETD)

The future of music education in schools is largely determined by educators' resilience in their positions. Resilience is the process of adapting to adversity by accessing and utilizing intrinsic and extrinsic resources available (Gu & Day, 2007; Squires et al., 2023). Resilience affects various aspects of an educator’s personal and professional life, including job satisfaction (Li, 2023). Job satisfaction can affect teacher health, teacher performance, and teacher retention, which in turn may affect student performance (Huysman, 2008; Lu et al., 2024; Robison & Russell, 2022). The circumstances and events that occur during a teacher’s first year in the profession can …

The Differential Impacts Of Internal And External Corporate Social Responsibility Activities On Consumer Trust After Covid-19, Kennadi C. Mccoy

Graduate Theses, Dissertations, and Problem Reports (ETD)

This dissertation explores the strategic role of Corporate Social Responsibility (CSR) in helping small businesses recover from crises, with a specific focus on the COVID-19 pandemic. Different from many traditional studies that highlight the ethical or reputational aspects of CSR, this research will examine its practical effects: how CSR initiatives during crises influence business success by enhancing consumer trust, particularly by examining the differential impact of Internal CSR versus External CSR. The study suggests that, compared with internally focused CSR, external CSR activities will have a greater impact on consumer trust. In addition, the dissertation suggests that this effect is …

Disaster Exposure, The Perception Of Physiological Pain, And Psychological Distress Across Adulthood, Esha Azhar

Graduate Theses, Dissertations, and Problem Reports (ETD)

Climate change brings with it an increase in the occurrence of natural disasters, such as hurricanes, wildfires, severe storms, etc. In the aftermath, afflicted individuals may suffer adversely, especially in their physical and mental health. Previous research has found older adults to be faring better after experiencing a disaster compared to younger adults, which has been attributed to their better mental health associated with aging and gaining experience with adversities (Strough et al., 2023; 2025). The current study examined the psychological distress and physiological pain of individuals across the adult lifespan after experiencing a disaster. Participants were part of the …

Posttraumatic Growth In Appalachian Youth: Findings From An Outpatient Pediatric Trauma Specialty Clinic, Marinne M. Morgan

Graduate Theses, Dissertations, and Problem Reports (ETD)

Childhood traumatic event exposure (CTE) involves exposure to extreme events that overwhelm one’s ability to cope. Childhood traumatic event exposure has been linked to a wide range of adverse mental and physical health consequences, including posttraumatic stress symptoms (PTSS). Fewer studies have examined positive trajectories following childhood traumatic event exposure, such as posttraumatic growth (PTG), especially in understudied regions such as Appalachia. The current study used a cross-sectional design to examine posttraumatic growth in 14 youths aged 9 to 15 years seeking trauma-focused therapeutic services at an outpatient pediatric trauma specialty clinic in West Virginia. In line with previous research, …

Empowered Choices: A Quality Improvement Women’S Health Initiative In Faith-Based Nursing For Women Recovering From Substance Use Disorder, Jennifer Mewshaw

Graduate Theses, Dissertations, and Problem Reports (ETD)

Introduction: Women with substance use disorder (SUD) face higher rates of unplanned pregnancy, reproductive infections, and delayed prenatal care. Faith community nurses (FCNs) often already serve within this community and have a long history of promoting public health interventions. However, they lack the knowledge and confidence in sexual and reproductive health (SRH) education.

Evidence Review: A literature review identified barriers to SRH care for women with SUD and the role of FCNs in community and public health interventions. Evidence supports providing FCNs with the knowledge and skills to deliver SRH education and support for women with SUD using trauma-informed and …

Improving Access To Treatment For Alcohol Use Disorder For Veterans: An Evidence-Based Practice Policy Analysis, Mary Rizzo

Graduate Theses, Dissertations, and Problem Reports (ETD)

Introduction: Alcohol use disorder (AUD) is common among veterans and is associated with poor health outcomes. Although extended-release naltrexone (XR-NTX) is an effective treatment, maintenance injections at the VA Pittsburgh Healthcare System are only available at the main medical center, requiring many veterans to travel long distances each month.

Purpose: The purpose of this evidence-based practice policy analysis was to evaluate the feasibility of offering XR-NTX injections at Community-Based Outpatient Clinics (CBOC) and develop a policy recommendation to improve access to care.

Intervention: This project examined the current XR-NTX administration process and compared it with alternative approaches used within the …

Fairness Without Demographic Attributes In Medical Vision–Language Models, Ahsan Habib Akash

Graduate Theses, Dissertations, and Problem Reports (ETD)

Vision–language models (VLMs) and the embedding models that underlie them have become the default representation layer for multimodal artificial intelligence. Trained by contrastive alignment over enormous, loosely curated image–text corpora, they inherit the demographic skew of that data, and they encode it in the geometry of the shared embedding space itself. The consequence is a model that performs unevenly across demographic groups even when no protected attribute is ever supplied as an input. In consumer applications this is an equity problem; in medicine it is a safety problem, because an embedding that is systematically less discriminative for one subpopulation translates …

Effect Of Yoga On Non-Invasive Measures Of Cardiovascular Functioning And Health, Alexis Nicole Thrower

Graduate Theses, Dissertations, and Problem Reports (ETD)

Introduction: Cardiovascular disease (CVD) has been the number one cause of death worldwide and within the United States (US) for decades. Effective and practical prevention modalities are needed to reduce the burden of this often-preventable condition. Physical activity is an effective and modifiable behavior for CVD risk management; however, only one in four adults meet current physical activity guidelines. Some types of yoga, including vinyasa yoga, are a form of physical activity, and vinyasa yoga efficiently incorporates moderate-intensity aerobic activity, muscular-strengthening movements, and flexibility components. Yet, minimal rigorous research evaluates yoga’s effects on health. The purpose of this dissertation is …

Dielectrophoretic Biomarkers For Cancer Detection And Cell Analysis: Integrating Microfluidics And Ai, Raphael Olumide Oladokun

Graduate Theses, Dissertations, and Problem Reports (ETD)

Pancreatic ductal adenocarcinoma (PDAC) carries a five-year survival rate of 13%, driven largely by late-stage diagnosis and the absence of sensitive noninvasive screening tools. Current diagnostic methods lack the sensitivity to detect disease-associated systemic changes at early and precancerous stages, representing a critical clinical gap. This dissertation addresses the central hypothesis that PDAC and its pathological subtypes induce measurable, disease-associated electrophysiological changes in circulating PBMCs that can serve as correlative liquid-biopsy biomarkers. To test this hypothesis, this work asks: can dielectrophoresis (DEP), impedance and zeta potential analysis with AI-assisted classification distinguish benign pancreatic conditions (non-malignant control), precancerous lesions (primarily IPMNs), …

Landscape As Expo: Reimagining Desert Landscapes As Climate-Adaptive Cultural Infrastructure In Las Vegas, Parinaz Baradaran Anaraki

Graduate Theses, Dissertations, and Problem Reports (ETD)

Contemporary desert cities face increasing environmental and social challenges driven by climate change, including extreme heat, water scarcity, fragmented ecological systems, and limited access to high-quality public open space. In many rapidly urbanizing regions, conventional urban development has marginalized desert landscapes, treating them as vacant land rather than valuable ecological and cultural assets. This thesis proposes Landscape as Expo as a new framework for transforming desert landscapes into climate-adaptive cultural infrastructure, where ecological processes become both functional systems and public experiences.

The project focuses on a 140-acre site within the Tule Springs Planning District in North Las Vegas, Nevada, identified …

The Histamine-3 Receptor In Cardiac Fibrosis: A Novel Role In Fibroblast Function, Heather Linsky

Graduate Theses, Dissertations, and Problem Reports (ETD)

In the United States, heart failure affects approximately 6.7 million individuals. Despite a number of available therapies, heart failure prevalence continues to grow, suggesting the need for a broader range of effective therapies. More specifically, heart failure with preserved ejection fraction comprises approximately 50% of all heart failure cases and, as the name suggests, is a disease of diastolic dysfunction as opposed to systolic dysfunction. A hallmark of heart failure with preserved ejection fraction is myocardial fibrosis, which is a key contributor to diastolic dysfunction, and is the major focus of this dissertation work. In the heart, histamine-3 receptor activation …

Macroinvertebrate Response To Two Highway Construction Projects In West Virginia, Brenden Nauman

Graduate Theses, Dissertations, and Problem Reports (ETD)

Highway development and construction are frequently required to provide efficient transportation for an increasing human population. Specific to the Appalachian region, highway development has been a major goal since the mid 1900’s, with the aim of promoting economic growth and ease of travel. While highways provide necessary services to humans, their construction and presence often impact nearby waterways through multiple mechanisms including sedimentation and urbanization. To understand the degree of impact, streams are often monitored using biological data, which can be used to quantify effects. In this work I used freshwater macroinvertebrate communities to monitor changes in stream health surrounding …

The Hidden Costs Of Consumption: A Multi-Context Investigation On Stigma And Social Judgment, Siti Nuraisyah Suwanda

Graduate Theses, Dissertations, and Problem Reports (ETD)

Consumption is not always as simple as an exchange of value between a buyer and a seller. In many contexts, what individuals choose to consume or not consume can carry social meaning, leading to judgment and devaluation. While prior research has explored stigma broadly in marketing and consumer behavior, less attention has been given to stigma that caused specifically by consumption choices. This dissertation addresses this gap by examining how consumption becomes socially evaluated and judged across different contexts, with the goal of advancing both theoretical understanding and practical insights into socially sensitive consumption.

Essay One develops the foundation by …

Rurality, Infant Feeding Practices, And Perinatal Cardiovascular Health Behaviors, Elly Marie Marshall

Graduate Theses, Dissertations, and Problem Reports (ETD)

Introduction: Cardiovascular diseases are a leading cause of pregnancy-related deaths in the United States, with higher rates in rural areas. While limited healthcare access contributes to this disparity, other factors remain unclear. Breastfeeding provides long-term protection against cardiovascular disease, but modern infant feeding practices are complex and may impact maternal cardiovascular health (CVH) in unexpected ways. Healthy CVH behaviors of sufficient sleep duration, adequate physical activity, a healthy diet, and nicotine avoidance can enhance protection against future cardiovascular disease risk. Therefore, the aims of this dissertation are to 1) assess associations between rurality and first trimester CVH behaviors; 2) synthesize …