Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

University of South Carolina

Discipline
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 991 - 1020 of 13805

Full-Text Articles in Entire DC Network

Automated Fiber Placement Laminate Level Optimization: A Physics-Inspired Method To Analyze Through-Thickness Defect Interactions, Nishan Patel Apr 2025

Automated Fiber Placement Laminate Level Optimization: A Physics-Inspired Method To Analyze Through-Thickness Defect Interactions, Nishan Patel

Theses and Dissertations

With the growing adoption of composite materials in industries such as aerospace, automotive, naval, wind energy, and even sectors like sports and consumer goods, there has been a strong push towards improving manufacturing reliability and productivity. One key method that has gained significant traction is Automated Fiber Placement (AFP), an additive manufacturing technique valued for its precision, efficiency, and adaptability in producing complex composite parts. As industries continue to shift from traditional metal-based structures to more advanced composite materials, the need for efficient and high- quality manufacturing solutions has become even more critical, prompting a focus on automation and optimization …


Stories Between The Stacks: Current Black Women School Librarians' Lived Experiences, Cynthia R. Johnson Apr 2025

Stories Between The Stacks: Current Black Women School Librarians' Lived Experiences, Cynthia R. Johnson

Theses and Dissertations

Black women school librarians navigate complex professional landscapes shaped by their lived experiences, intersecting identities, and systemic barriers. Despite their significant contributions to school librarianship, their perspectives remain largely absent from scholarly work. This qualitative study explored how the lived experiences and positionalities of Black women school librarians shape their practices. It addressed the critical gap in research on Black women school librarians. Grounded in Black Critical Theory (BlackCrit) and guided by Black feminist-womanist storytelling, this study employs a narrative approach to explore the experiences of four Black women school librarians in the Southeastern Region of the United States. Data …


Athlete Decision-Making Process In The Liminality After Career-Ending Injuries, Grace Davie Apr 2025

Athlete Decision-Making Process In The Liminality After Career-Ending Injuries, Grace Davie

Theses and Dissertations

This qualitative study explored the decision-making process of athletes in the liminal period immediately following career-ending injuries. While existing research has examined transition challenges and coping strategies, there remains a critical gap in understanding how athletes actively make decisions that shape their post-sport trajectories during this crucial period. Using Crisis Decision Theory (CDT) as a theoretical framework, this study investigated athletes' overall experience, support systems, injury severity assessment, and response option determination and evaluation during the immediate post-injury decision-making process. Key findings demonstrated that athletes' decision-making processes closely aligned with CDT's three-stage framework: assessing injury severity, determining response options, and …


Multiscale Modeling Techniques For Electrodynamic Systems, Hunter Teel Apr 2025

Multiscale Modeling Techniques For Electrodynamic Systems, Hunter Teel

Theses and Dissertations

In order to rapidly develop better electromagnetic and electrochemical systems, approaching these complicated topics from multiple perspectives is necessary. The use of mathematical models and numerical simulation offers the ability to evaluate and predict the performance of these systems based off the principles of electrodynamics in an ideal setting. Through the use of Computational Fluid Dynamics (CFD), representative geometries of scales can be created and evaluated to provide insight into the behavior of these systems. Simulation offers a modifiable environment that can approach the relevant physics from both the microscale and macroscale. Conclusions, results, boundary conditions, or other information from …


Newborn Screening For X-Linked Adrenoleukodystrophy: Experiences, Perspectives, And Future Directions For Genetic Counseling, Sophia Salvatore Apr 2025

Newborn Screening For X-Linked Adrenoleukodystrophy: Experiences, Perspectives, And Future Directions For Genetic Counseling, Sophia Salvatore

Theses and Dissertations

There is a notable lack of research regarding genetic counseling practices for infants with screen-positive results for X-linked adrenoleukodystrophy (X-ALD) via newborn screening (NBS). The exploratory study aimed to understand the experiences of genetic counselors providing follow-up care for these infants, assess the complexities associated with NBS for X-ALD, identify potential gaps in genetic counseling practices, and describe the subsequent impact on patient care. A mixed-methods approach was utilized, incorporating an initial survey and optional semi-structured interviews with practicing genetic counselors who had seen a minimum of five cases of infants with screen-positive results for X-ALD in the last two …


Phytochemicals And Human Health, Erin Kelley Richards Apr 2025

Phytochemicals And Human Health, Erin Kelley Richards

Theses and Dissertations

This review explores the intricate relationship between phytochemical intake and human health. It first highlights the contrast between the phytochemical-poor Standard American Diet (SAD) and ancestral diets rich in diverse plant and animal foods. The classification, sources, and health benefits of various phytochemicals, including polyphenols, flavonoids, alkaloids, and terpenes are described and discussed. The bioavailability of these compounds and their interactions with the gut microbiome are elucidated, emphasizing on their potential in modulating multiple pathways associated with aging and chronic diseases. The 12 hallmarks of aging and how phytochemicals may influence these hallmarks are reviewed. While exploring the potential benefits …


Child-Caregiver Relational Closeness And Child Mental Health In Nonparental Care Settings, Amanda Stafford Mcrell Apr 2025

Child-Caregiver Relational Closeness And Child Mental Health In Nonparental Care Settings, Amanda Stafford Mcrell

Theses and Dissertations

This dissertation examines child-caregiver relational closeness and child mental health within nonparental care systems in Low- and Middle-Income countries (LMICs). Five key factors impacting the well-being of orphaned, separated, and vulnerable children in LMICs are explored using the Positive Outcomes for Orphans (POFO) dataset: child maltreatment, social support, child-caregiver relationships, and nonparental care systems. First, I examined the relationship between maltreatment, social support, and mental well-being. Findings showed that maltreatment was associated with lower mental well-being, where social support (emotional support, tangible support, positive social support) was associated with greater mental well-being, even in the concurrent presence of maltreatment. Second, …


Genetics Education Booklets Designed For Individuals With Intellectual Disability: Perspectives From Adults With Intellectual Disability And Genetic Counselors, Audrey Hyun Sook Parrott Apr 2025

Genetics Education Booklets Designed For Individuals With Intellectual Disability: Perspectives From Adults With Intellectual Disability And Genetic Counselors, Audrey Hyun Sook Parrott

Theses and Dissertations

Visual aid tools have been consistently suggested across literature aimed at identifying methods of improving health and genetics services for individuals with intellectual disability (ID). Aids written in plain language are suggested most often. The study intends to gain perspectives from adults with ID (AWID) and genetic counselors (GCs) on Easy Read genetics educational booklets designed for individuals with mild ID. We anticipate that GCs will find the booklets to be useful and accurate, and that AWID will find the booklets to be helpful to their understanding and comprehensible. The AWID were assessed via a self-reported survey, cognitively adapted for …


An Exploratory Study Of Disclosure Of X-Linked Conditions Between Mothers And Daughters, Madge Isabella Stuhlreyer Apr 2025

An Exploratory Study Of Disclosure Of X-Linked Conditions Between Mothers And Daughters, Madge Isabella Stuhlreyer

Theses and Dissertations

Carriers of X-linked conditions, both asymptomatic and symptomatic, face unique challenges regarding their experiences navigating the healthcare system and understanding implications of their carrier status. Studies show that mothers are known to be the main communicators of genetic information within their families, but in families affected with X-linked conditions, communication between mothers and daughters are hindered by factors such as lack of knowledge about the condition and reproductive implications, lack of emotional support, anxiety, and uncertainty about how to initiate these conversations. The purpose of this study was to explore the motivations behind mothers' decisions to initiate conversations with their …


Investigation Of The Hdl Molecular Architecture Before And After Exercise Training., Prasun Kumar Dev Apr 2025

Investigation Of The Hdl Molecular Architecture Before And After Exercise Training., Prasun Kumar Dev

Theses and Dissertations

The functional characteristics of high-density lipoprotein (HDL) particles are influenced by their structure, including their molecular composition (e.g. HDL lipidome and proteome). However, the effects of exercise training on HDL molecular composition and its relationship with HDL-related traits are largely unknown. In this ancillary study, we investigated the HDL lipidome and proteome of 154 adults before and after 20 weeks of exercise training in the HERITAGE Family Study. The HDL-sized plasma fraction was isolated utilizing FPLC-SEC, followed by untargeted lipidomic and proteomic analysis using LC/MS. We identified 341 known lipid species while 409 HDL associated proteins. Clinical and functional related …


Barriers In Receiving A Diagnosis Of Sanfilippo Syndrome: Perceptions From Healthcare Providers And Caregivers, Cassidy Lena Apr 2025

Barriers In Receiving A Diagnosis Of Sanfilippo Syndrome: Perceptions From Healthcare Providers And Caregivers, Cassidy Lena

Theses and Dissertations

Sanfilippo syndrome (MPS III) is a rare, degenerative condition characterized by symptoms impacting neurological functioning, behavior, and quality of life. Diagnosis is often not made until three to six years of age, but comprehensive and effective symptom management have been reported to optimize patient longevity. The aim of this study was to identify barriers to diagnosis and the corresponding impact on patients. This study surveyed healthcare providers and caregivers of individuals with Sanfilippo syndrome. Both quantitative and qualitative methods were employed to assess provider knowledge and comfortability in managing Sanfilippo syndrome. Additionally, it explored caregiver perspectives on healthcare system navigation, …


The Association Between Parent’S Mobile Device Use And Physical Activity, Sydney Hill Apr 2025

The Association Between Parent’S Mobile Device Use And Physical Activity, Sydney Hill

Theses and Dissertations

Background. The rapid increase in mobile technology has allowed smartphones to be used almost anywhere, but a potential disadvantage of these mobile devices is the displacement of physical activity. Parents of young children are already struggling to reach higher intensities of physical activity and mobile devices might make this worse. However, most existing research on similar topics look at adults without children or uses subjective measures only. Therefore, this study aims to (1) quantify objective mobile device use from a sample of parents with preschool age children; (2) describe the duration and intensity of parents’ physical activity and inactive behavior; …


Unveiling Hidden Voices: A Guide For Expanding Collegiate Coursework To Include Female Opera Composers And Their Works, Veronica Kimberly Page Apr 2025

Unveiling Hidden Voices: A Guide For Expanding Collegiate Coursework To Include Female Opera Composers And Their Works, Veronica Kimberly Page

Theses and Dissertations

Opera, often viewed as a prestigious and elite art form, has been predominantly shaped by male composers throughout its history. The contributions of women composers in opera have been largely overlooked, however, despite their significant impact on the genre. This dissertation explores the role of female composers in opera, from pioneers like Francesca Caccini to contemporary figures such as Missy Mazzoli, arguing for the creation of a curriculum focused on their works. Such a course would fill a critical gap in higher education, offering a more inclusive understanding of opera’s history and evolution. Through an examination of women’s compositions, historical …


Hallucinations In Large Foundation Models: Characterization, Quantification, Detection, Avoidance, And Mitigation, Vipula Rawte Apr 2025

Hallucinations In Large Foundation Models: Characterization, Quantification, Detection, Avoidance, And Mitigation, Vipula Rawte

Theses and Dissertations

Deception is an inherent aspect of social interactions, with research indicating that most people engage in deceptive behavior at least once or twice daily . In parallel, advances in artificial intelligence have led to machines exhibiting deceptive tendencies. These deceptions can be categorized into two types: unintended and intentional. Unintended deceptions - often referred to as hallucinations - occur when generative AI systems produce plausible and convincing narratives yet are factually inaccurate. This phenomenon primarily results from the systems' architectural design, extensive parametric memory, and reliance on statistical assumptions. In this thesis, we provide a comprehensive discussion on the characterization, …


A Novel Geometric Modeling Kernel For Automated Fiber Placement, Rowen Burney Apr 2025

A Novel Geometric Modeling Kernel For Automated Fiber Placement, Rowen Burney

Theses and Dissertations

Automated Fiber Placement (AFP) is a key manufacturing technique for producing high-performance composite structures, yet existing geometric modeling frameworks lack the specialized functionality required for efficient toolpath planning and laminate optimization. This work presents Knots, a Geometric Modeling Kernel (GMK) developed specifically to address these limitations by providing a unified geometric foundation tailored for AFP. Unlike general-purpose Computer Aided Design (CAD) libraries, Knots is optimized for AFP, offering specialized geometric operations that streamline the transition from design to manufacturing. It directly manages the loading and computation of geometric data, ensuring structured laminate generation while supporting automation and scripting for improved …


Explainable And Reduced-Feature Machine Learning Models For Shape And Drag Prediction Of A Freely Moving Drop In The Sub-Critical Weber Number Regime, Md Amanullah Kabir Tonmoy Apr 2025

Explainable And Reduced-Feature Machine Learning Models For Shape And Drag Prediction Of A Freely Moving Drop In The Sub-Critical Weber Number Regime, Md Amanullah Kabir Tonmoy

Theses and Dissertations

Accurately predicting the shape and drag of a moving drop is crucial in many spray applications. However, due to the complex interaction between the drag force and drop shape deformation, accurate prediction of drop shape and drag from Computational Fluid Dynamics (CFD) simulation requires large computational resources and time. A novel data-driven approach using NARXNN (Non-linear Auto Regressive eXogenous input Neural Network) is proposed in this study, which recurrently predicts the drop shape and drag for a given Weber number (We) and Reynolds number (Re), in the sub-critical We regime where there is no drop breakup. The average error in …


Essays In Real Estate And Household Finance, Paul Freed Apr 2025

Essays In Real Estate And Household Finance, Paul Freed

Theses and Dissertations

The first chapter examines how the deterioration of a household’s balance sheet alters its propensity to sue another entity for damages in civil court. Using state-level administrative judicial data longitudinally linked to the value of individual plaintiffs’ real estate holdings, this study finds that a 5% decline in housing value is associated with an 8% increase in the probability of filing a civil suit. Similarly, a household entering a negative equity position on its mortgage is associated with a 14% increase. When facing distress, households are more likely to engage in civil action against both firms and other households, particularly …


Frequency-Based Rapid Structural Damage Detection Using Embedded Edge Computing On Resource-Constrained Devices, Ryan Yount Apr 2025

Frequency-Based Rapid Structural Damage Detection Using Embedded Edge Computing On Resource-Constrained Devices, Ryan Yount

Theses and Dissertations

Structural Health Monitoring (SHM) is essential for ensuring reliability and longevity of useful structures. Traditional SHM approaches rely on manual or remote data transmission and external processing, which introduce latency and can depend on stable communication links. This work aims to advance SHM by integrating edge-computing techniques for rapid damage detection to enable faster and more autonomous structural assessments in resource-constrained environments. The research spans three key contributions including 1) frequency-based damage detection of civil structures using a sensor package with the addition of an edge processor, 2) additions to the computational efficiency of the edge-computing sensor package in a …


Estimating Proximity To Failure Using Repetitions In Reserve In Adults Treated For Cancer, Kylah Elizabeth Jackson Apr 2025

Estimating Proximity To Failure Using Repetitions In Reserve In Adults Treated For Cancer, Kylah Elizabeth Jackson

Theses and Dissertations

BACKGROUND: There is a consensus from governing bodies that more evidence is needed in understanding how to properly prescribe, monitor and progress resistance training (RT) in oncology populations. Repetitions in reserve (RIR) has been demonstrated as a quick/easy tool to monitor proximity to failure and interventions using RIR have shown promise in improving muscle strength and mass in older adults and apparently healthy populations. However, the validity of RIR in RT in oncology has yet to be examined. Therefore, the purpose of this study was to assess the accuracy of RIR predications in individuals treated for cancer in a pragmatic …


The Role Of Platform Design In Excessive Short Form Video Use And The Resulting Impacts On Cognitive Processes, Katherine Levey Apr 2025

The Role Of Platform Design In Excessive Short Form Video Use And The Resulting Impacts On Cognitive Processes, Katherine Levey

Senior Theses

Short form video (SFV) platforms such as TikTok and Instagram Reels have rapidly reshaped global media consumption. This thesis investigates how the defining technological elements of SFV platforms contribute to prolonged viewing behavior by inducing flow, a psychological state characterized by deep immersion and diminished self-awareness. Through a review of nineteen scholarly articles, this study examines how features like infinite scroll, auto-play, and algorithmic personalization create a low-effort, high-reward user experience that sustains attention and facilitates continuous engagement. Once immersed, users often fall into a cycle of passive, prolonged scrolling, consuming more content and spending more time than intended. Findings …


The Contribution Of Individual Movements To The Learning Of A Movement Sequence, Hannah K. Ammons Apr 2025

The Contribution Of Individual Movements To The Learning Of A Movement Sequence, Hannah K. Ammons

Senior Theses

This thesis explores how the overall learning of a motor sequence through repeated practice is impacted by the individual movement’s components. Changes seen in the response time, peak velocity, and the hand path distance were examined whilst considering the Fitts’s ID and inertial demands of the individual movements. During data collection, twenty-four right-handed participants completed a series of repeated and random reaching movements that varied in direction and distance in a 3D virtual environment. When considering only the repeated sequences, the results indicated significant improvement in both the hand path distance and response time across all target combos, specifically Target …


The Benefits Of Blood Flow Restriction Training Combined With Low-Load Resistance Training In Arthritis Treatment: A Scoping Review, Maya L. Butcher, Dr. Christine Pellegrini, Kailyn Horn Apr 2025

The Benefits Of Blood Flow Restriction Training Combined With Low-Load Resistance Training In Arthritis Treatment: A Scoping Review, Maya L. Butcher, Dr. Christine Pellegrini, Kailyn Horn

Senior Theses

Background: Arthritis is a condition affecting millions worldwide, with osteoarthritis (OA) and rheumatoid arthritis (RA) being the most common forms. Resistance training is a widely accepted intervention to strengthen muscles and support joint function, however, high-load resistance training may exacerbate joint pain. Blood Flow Restriction (BFR) training, which involves applying controlled vascular occlusion during low-intensity resistance exercises, has gained attention as a potential alternative to promote muscle growth and strength with minimal joint stress. Objective: This scoping review aims to explore the benefits of BFR techniques in conjunction with low-intensity resistance training for the treatment of arthritis. Methods …


An Evaluation Of Exercise-Related Self-Efficacy Metrics Following A Resistance Training Program In Individuals Treated For Cancer, Kayla S. Adler Apr 2025

An Evaluation Of Exercise-Related Self-Efficacy Metrics Following A Resistance Training Program In Individuals Treated For Cancer, Kayla S. Adler

Senior Theses

As the number of cancer survivors grows, managing treatment side effects and promoting healthy behaviors like physical activity is crucial. Low exercise self-efficacy, an individual's belief in their capability to perform exercise, is a significant barrier to physical activity adherence. This study assessed if an 8-week supervised resistance training program could improve self-efficacy for exercise (SEE) and outcome expectations of exercise (OEE) in individuals treated for cancer. Participants (n=25) attended twice-weekly, one-hour sessions. SEE and OEE scales were administered pre- and post-intervention. Results indicated a significant increase in SEE scores (mean difference = 8.96 ± 19.87, p = 0.041), demonstrating …


The Effect Of Grape Seed Extract Against The Formation Of S.Aureus Biofilms In A Clinical Setting, Srestha Samaddar Apr 2025

The Effect Of Grape Seed Extract Against The Formation Of S.Aureus Biofilms In A Clinical Setting, Srestha Samaddar

Senior Theses

The rise of antibiotic-resistant bacterial infections, particularly those caused by Staphylococcus aureus, poses a serious threat to public health and clinical care. A major contributor to the persistence of these infections is the formation of bacterial biofilms, structured communities that protect S. aureus from antibiotics and immune responses, especially on surgical sites and medical devices. As conventional treatments become less effective, interest in alternative, natural antimicrobial agents has increased, due to public dissatisfaction with conventional medicine and a growing trust in complementary and alternative medicine. Grape seed extract (GSE), a polyphenol-rich byproduct of winemaking, has emerged as a promising candidate …


Between Healing And Harm: An Analysis Of Residential Treatment Centers For Youth, Virginia B. Finch Apr 2025

Between Healing And Harm: An Analysis Of Residential Treatment Centers For Youth, Virginia B. Finch

Senior Theses

Residential treatment for children and adolescents has evolved greatly. Today, a therapeutic individualized treatment approach is standard. Despite past and present improvements in care, this paper examines the persistent challenges faced by residential treatment centers (RTCs) serving youth with mental health issues. This paper argues that residential treatment, while sometimes necessary, has the potential to cause more harm than good due to systemic issues like overdiagnosis, inappropriate medication, and the troubled teen industry’s (TTI) profit-focused approach.


Life In Greece After The Financial Crisis: A Quality-Of-Life Perspective, Kylee Nicole Hynes Apr 2025

Life In Greece After The Financial Crisis: A Quality-Of-Life Perspective, Kylee Nicole Hynes

Senior Theses

After World War II, Greece faced economic struggles which led to its EU accession in 1981. In the following years, the use of credit increased and so did consumer debt. The global financial crisis of 2008 exposed Greece’s weak economy and caused the debt crisis. This led to multiple EU-IMF (International Monetary Fund) bailouts. This study examines how the crisis affected Greek citizens’ quality of life. This study specifically focuses on mental, physical, and socioeconomic health. Overall, mental and socioeconomic health worsened while physical health remained unchanged. All mental health indicators deteriorated with higher rates of depression, anxiety, and post-traumatic …


Charter Schools And Students With Disabilities: Admissions Equity, Kelly L. Carrick Apr 2025

Charter Schools And Students With Disabilities: Admissions Equity, Kelly L. Carrick

Senior Theses

Many states are now offering parents a choice in where their child attends school, typically offering charter schools as the alternative to public schools. With charter school enrollment on the rise, questions have begun to arise regarding the acceptance rates of students with disabilities, specifically, how do students with disabilities fare in the process of being admitted to charter schools? This research examines the admissions policies of charter schools, the admission rates for students with disabilities, as well as the legality and equity of this topic. Previous research has found that charter schools typically do not accept as many students …


The Impact Of Discretion On Human Service Workers Supporting The Health Of Unaccompanied Minors In Foster Care, Diana M. Clark Apr 2025

The Impact Of Discretion On Human Service Workers Supporting The Health Of Unaccompanied Minors In Foster Care, Diana M. Clark

Senior Theses

Unaccompanied children (UCs) are a vulnerable population that enters government custody and accesses healthcare via the Office of Refugee Resettlement (ORR)'s system of care. While prior research has focused on generating policy recommendations to improve healthcare services available to UCs both in ORR custody and following release from custody, this thesis will instead expand upon the experiences of staff members working at ORR-contracted agencies. These workers make decisions that have short- and long-term implications on the health and wellbeing of UCs. Drawing from 65 in-depth interviews with human service workers in ORR-contracted voluntary agencies, this thesis uses street-level bureaucracy framework …


Psychedelic Psychotherapy And The Mental Health Crisis: A Historical And Scientific Review, Dylan Kunkel, Neil Levens, Charles Schumpert Apr 2025

Psychedelic Psychotherapy And The Mental Health Crisis: A Historical And Scientific Review, Dylan Kunkel, Neil Levens, Charles Schumpert

Senior Theses

The global mental health crisis continues to expose the limitations of traditional psychiatric treatments for major depressive disorder (MDD) and post-traumatic stress disorder (PTSD). As conventional antidepressants offer modest remission rates and delayed efficacy, interest has grown in the therapeutic potential of psychedelic compounds. This thesis explores psychedelic psychotherapy through both a historical and scientific lens, tracing its roots from ancient ceremonial practices to modern clinical trials. It also provides context behind the neurobiological mechanisms by which psychedelics like psilocybin, LSD, ketamine, MDMA, and DMT affect mood and cognition. These compounds appear to reduce default mode network (DMN) connectivity, increase …


Impacts On College-Aged Asian American Mental Health, Zahra Soherwardy Apr 2025

Impacts On College-Aged Asian American Mental Health, Zahra Soherwardy

Senior Theses

This study explores the relationship between different forms of racial harassment and mental health issues in Asian American college students. Asian American mental health is a growing concern in the field of public health. Asian Americans have the lowest treatment rates and some of the highest stigma levels of any demographic. They are also impacted by the model minority myth and discrimination, further alienating them from getting help. The topics of subtle racism, blatant racism, and current racial discrimination were compared to depressive symptoms, anxiety, self-esteem, and four domains of aggression using survey data. Subtle racism was found to be …