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Articles 1711 - 1740 of 34028
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Barriers In Receiving A Diagnosis Of Sanfilippo Syndrome: Perceptions From Healthcare Providers And Caregivers, Cassidy Lena
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, …
Reducing Information Asymmetry: Economic Value Of Airbnb Signals In A Small College Town, Hatice Sena Akkurt
Reducing Information Asymmetry: Economic Value Of Airbnb Signals In A Small College Town, Hatice Sena Akkurt
Theses and Dissertations
Trust is the backbone of platform operations. Airbnb platform designers implement various methods including trust-building mechanisms, user interface (UI) artifacts, and reputation management systems. Previous research has explored trust in Airbnb, yet little is known about the economic value of trust indicators in smaller cities and rural areas. Thus, this thesis investigates the economic significance of User Interface (UI) artifacts, including the “Superhost” badge, star ratings, and listing photographs, within the peer-to-peer accommodation sector in the Columbia Metropolitan Area. Drawing on signaling theory, we conducted quantitative analysis, to examine the relationship between trust indicators and listing prices, controlling factors like …
Equity In Maternal Journeys: Maternal Health Care Experiences Among Black Mothers In South Carolina, Julisa Grace Tindall
Equity In Maternal Journeys: Maternal Health Care Experiences Among Black Mothers In South Carolina, Julisa Grace Tindall
Theses and Dissertations
Black women in the United States experience disproportionately adverse maternal health outcomes, particularly in the Southeast. This dissertation examines the maternal health care experiences and resilience strategies of Black mothers in South Carolina through a qualitative study grounded in critical race theory, Black feminist thought, resilience theory, and ecological systems theory. It highlights the pervasive influence of structural racism while amplifying the resourcefulness and agency of Black mothers. The first manuscript develops a conceptual framework to explore the structural, social, and interpersonal mechanisms influencing Black maternal health care experiences. The second manuscript employs grounded theory to investigate Black mothers’ lived …
Phytochemicals And Human Health, Erin Kelley Richards
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 …
Genetics Education Booklets Designed For Individuals With Intellectual Disability: Perspectives From Adults With Intellectual Disability And Genetic Counselors, Audrey Hyun Sook Parrott
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
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 …
Who’S On First, What’S On Second An Analysis Of Major League Baseball Fans And Multiple Points Of Attachment, Ryan W. Dastrup
Who’S On First, What’S On Second An Analysis Of Major League Baseball Fans And Multiple Points Of Attachment, Ryan W. Dastrup
Theses and Dissertations
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Understanding The Factors Influencing Movement Behaviors Among Dog Owners, Katherine Eileen Devivo
Understanding The Factors Influencing Movement Behaviors Among Dog Owners, Katherine Eileen Devivo
Theses and Dissertations
This dissertation investigates two key objectives: 1) to understand influences of physical activity among dog owners, and 2) to determine if there were differences in objectively measured physical activity levels and/or affect at times when dog owners are with their dogs compared to times when they are not with their dogs. To address the first objective, a qualitative study was conducted with 20 dog owners using semi-structured interviews, constant comparative methodology, grounded theory, and open coding. The findings revealed several key barriers to physical activity and dog walking such as physical health, seasons/weather, time/schedules, and dog specific limitations. Key facilitators …
Associations Between Cardiovascular Disease And Utilization Of Dental Preventive And Periodontic Services, Amirhossein Fakhre Yaseri
Associations Between Cardiovascular Disease And Utilization Of Dental Preventive And Periodontic Services, Amirhossein Fakhre Yaseri
Theses and Dissertations
Cardiovascular disease (CVD), including coronary artery disease, heart failure, myocardial infarction, and stroke, remains a leading cause of global mortality, with approximately 20.5 million deaths in 2021. Despite advancements in medical science, CVD prevalence continues to rise, underscoring the need for preventive approaches and increased awareness. CVD is closely associated with oral diseases, and poor oral health is linked to worse cardiovascular outcomes. This study investigates the association between CVD and the utilization of dental preventive and periodontal services using data from the Dental Experience and Research Exchange (DERE) database, which aggregates clinical data from dental practices across the U.S. …
Exploiting Structures In Reinforcement Learning: Multi-Agent Homogeneity, Euclidean Symmetry, And Natural Languages, Dingyang Chen
Exploiting Structures In Reinforcement Learning: Multi-Agent Homogeneity, Euclidean Symmetry, And Natural Languages, Dingyang Chen
Theses and Dissertations
Reinforcement learning (RL) has emerged as a powerful paradigm for decision-making in complex environments. However, many RL tasks exhibit inherent structural properties—such as homogeneity, symmetry, and linguistic patterns—that are often underutilized, leading to inefficiencies in learning and generalization. This dissertation systematically exploits these structures to improve the efficiency, scalability, and robustness of RL algorithms across multi-agent and sequential decision-making settings. First, we investigate homogeneity in multi-agent systems, where agents share similar roles and objectives. By leveraging this structure, we develop communication-efficient actor-critic methods for homogeneous Markov games, enabling scalable learning with reduced coordination overhead. Second, we introduce Euclidean symmetry in …
Comparing And Contrasting Diversity And Inclusion Concepts: An Identity-Blind And Identity-Conscious Application, William Ward
Comparing And Contrasting Diversity And Inclusion Concepts: An Identity-Blind And Identity-Conscious Application, William Ward
Theses and Dissertations
This dissertation systematically investigates the differences between diversity and inclusion concepts. Notably, this dissertation focuses on exploring the differences between diversity and inclusion climates and recruitment messages. This paper first explores the theoretical traditions that are often applied to diversity (social identity theory) and inclusion climate (optimal distinctiveness theory) and offers guidance on why individuals may react to diversity and inclusion climates differently from the basis of these theoretical foundations. Additionally, this dissertation expands existing theory by promoting a more novel approach of differentiating diversity and inclusion through exploring their relationships with identity-blind and identity-conscious human resource practices. The first …
Designing A Genetics-Based Bibliotherapy Model For Children With Inborn Errors Of Metabolism, Kaitlyn Abagail Gmitro
Designing A Genetics-Based Bibliotherapy Model For Children With Inborn Errors Of Metabolism, Kaitlyn Abagail Gmitro
Theses and Dissertations
Bibliotherapy is a psychotherapy technique utilized to teach individuals about concepts through the use of literature and the arts. The primary aim of this research was to examine how a bibliotherapy model could be applied to improve diet and treatment adherence for people affected with Inborn Errors of Metabolism. Prior to this research, no paper has proposed a tailored bibliotherapy approach for genetic conditions. Through analysis of the caregiver-child relationship and disclosure process and the perceived support needs of both caregivers and providers caring for children with IEMS, our goal was to propose a bibliotherapy model to improve adherence and …
Augmenting Deep Learning For Efficient Nextg Wireless Communication And Sensing Systems, Hem Kanta Regmi
Augmenting Deep Learning For Efficient Nextg Wireless Communication And Sensing Systems, Hem Kanta Regmi
Theses and Dissertations
Wireless networks have become an integral aspect of our daily lives. Over the years, earlier generations of wireless networks have enabled some innovative applications, such as wireless gaming, fast internet browsing, and home automation, which were previously unattainable. However, to support emerging technologies like autonomous driving, virtual reality, telemedicine, and intelligent manufacturing, which require high data throughput and low latency, there is a need for advanced wireless networks. Legacy networks like WiFi/LTE, which operate below 6 GHz, have limited bandwidth and are insufficient to fulfill the high data throughput demands of several applications. Millimeter-wave (mmWave) networks, operating between 30 GHz …
The Role Of B Cells In Promoting Lipid Absorption By Promoting Lacteal Development, Kenny Johnson
The Role Of B Cells In Promoting Lipid Absorption By Promoting Lacteal Development, Kenny Johnson
Theses and Dissertations
The absorption of dietary lipids in the gut is necessary to maintain the metabolic tone of tissues. Inflammation in the gut can cause defects in lipid absorption, which can result in tissue wasting, otherwise known as cachexia. Cachexia is commonly observed in patients with inflammatory bowel disease and cancer patients. The underlying cause of cachexia is unknown, and there are currently no effective therapeutic options available to treat it. Lymphatic drainage in the small intestine (SI) is specialized to promote the transport of dietary lipids into circulation. Lacteals are blunt-ended lymphatic vessels localized to the central axes of villi in …
Exploring Teacher Perspectives Of Literacy Instruction For Students With Behavioral Needs, Lauren Dalton Astle
Exploring Teacher Perspectives Of Literacy Instruction For Students With Behavioral Needs, Lauren Dalton Astle
Theses and Dissertations
This study examines the perceptions of elementary teachers who have implemented effective literacy instruction strategies to enhance the reading skills of students with significant behavioral challenges in general education classrooms. Recognizing that students with behavioral issues often face amplified academic and social difficulties, the study highlights the necessity of robust literacy instruction to foster academic success. Nineteen teachers, whose students achieved at least 85% student progress in reading as assessed by the Acadience Learning assessments, were interviewed to gather their perceptions of effective instructional practices. The findings identified four critical themes: teacher efficacy, instructional design, an intentional learning environment, and …
Modeling And Characterization Of On-Orbit Servicing Architectures For Efficient Mission Planning, Samantha Q. Vi Tang
Modeling And Characterization Of On-Orbit Servicing Architectures For Efficient Mission Planning, Samantha Q. Vi Tang
Theses and Dissertations
As space-based systems become increasingly critical to global infrastructure, efficient satellite maintenance and resource management have become essential to ensuring operational longevity. On-orbit servicing has emerged as a key strategy for extending satellite lifespans, mitigating space debris accumulation, and enhancing the cost effectiveness of space operations. This study presents a comprehensive mixed-integer programming (MIP) model to optimize servicer task assignments and routing while minimizing propellant consumption. The model captures the operational complexities of servicing a network of satellites across multiple orbits by incorporating realistic constraints, such as fuel limitations and task completion time windows. Sensitivity analysis allows mission planners to …
"Very Important Stuff For The Ladies": Examining Gender Differences In Celebrity Journalism, Payton E. Pingree
"Very Important Stuff For The Ladies": Examining Gender Differences In Celebrity Journalism, Payton E. Pingree
Theses and Dissertations
This thesis explores gender differences in celebrity journalism by analyzing 44 YouTube video interviews from the Oscars red carpet between 2014 and 2024. Using framing theory and feminist theory, the study examines how interviewers interact with male and female celebrities, focusing on four key behaviors: infantilizing, ambivalence, sexualization, and heteronormativity. Through qualitative thematic analysis of interview transcripts, the research reveals that female celebrities are often sexualized through questions about their appearance and subjected to heteronormative expectations when discussing their fashion choices and familial roles. These patterns suggest persistent sexism in celebrity journalism, potentially influencing public perceptions of women in the …
Imu-Mechanized Discrete Error-State Kalman Filtering With Lie-Group Pose Representations, Daniel P. Koch
Imu-Mechanized Discrete Error-State Kalman Filtering With Lie-Group Pose Representations, Daniel P. Koch
Theses and Dissertations
This dissertation investigates methodologies for consistent Kalman filtering with Lie-group based representations of the vehicle pose. Early results are centered around the relative navigation framework, which maintains filter observability and consistency by only tracking the state relative to the latest keyframe of an odometry system such as visual odometry or laser scan matching. A detailed derivation of a relative multiplicative extended Kalman filter, using a quaternion parameterization of the attitude state, is presented for application to multirotor vehicles. The remainder of the dissertation focuses on Kalman filtering using a Lie-group SE(3) pose representation, which improves filter consistency by correctly modeling …
The Effectiveness Of Dialogic Reading Workshops For Parents Of Children With Developmental Disabilities, Jessica Driskill
The Effectiveness Of Dialogic Reading Workshops For Parents Of Children With Developmental Disabilities, Jessica Driskill
Theses and Dissertations
The purpose of this study is to determine the effectiveness of dialogic reading workshops in improving at-home reading behaviors of both parents and their preschool-aged children. A focus of the study is to understand the dialogic reading experiences of parents with children who have developmental disabilities. Thirteen parents of children at a local preschool participated in one or more phases of the study. Phases included completing a pre-survey, attending the workshop, completing a post-survey, and participating in an interview. Five parents of typically developing children and four parents of children with developmental disabilities participated in the interviews. Participants noted an …
The Confidence Trap In Pr Academia: Barriers And Solutions For Female Professors, Kailey R. Thompson
The Confidence Trap In Pr Academia: Barriers And Solutions For Female Professors, Kailey R. Thompson
Theses and Dissertations
This study examines the career barriers female public relations professors face through the lens of Brubaker et al.'s (2025) theoretical model of "The Confidence Trap." While existing research has explored gender disparities in the PR industry, limited scholarship has investigated the challenges faced by women in PR academia. This qualitative study utilizes in-depth, semi-structured interviews with 22 female public relations professors currently on the tenure track or who have earned tenure at R1 and R2 research institutions in the United States. Thematic analysis of interview transcripts revealed that traditional barriers--such as the glass ceiling, sticky floors, maternal walls, and sexism--manifest …
A Century Of Depicting Characters With Disabilities In Newbery Award And Honor Books, Merna Kay Raines
A Century Of Depicting Characters With Disabilities In Newbery Award And Honor Books, Merna Kay Raines
Theses and Dissertations
A Century of Depicting Characters With Disabilities in Newbery Award and Honor Books Merna Kay Raines Department of Counseling Psychology and Special Education, BYU Educational Specialist Between 1922 and 2021, 426 books received the Newbery Award, with 64 books featuring characters with disabilities. However, it was not until 1931 that the Newbery Honor Award was given to recognize the author of a book featuring a character with disabilities. Newbery Award-winning books are considered quality literature and are found in most libraries and classrooms. Understanding the portrayal of characters with disabilities is important because students easily access these books. This content …
Design And Realization Of Concurrent Cryptosystem For Medical Image Privacy On Reconfigurable Hardware, Vinoth Raj R
Design And Realization Of Concurrent Cryptosystem For Medical Image Privacy On Reconfigurable Hardware, Vinoth Raj R
Theses and Dissertations
The protection of medical image privacy plays a crucial role in maintaining confidentiality for the secure storage and transmission of patient’s sensitive healthcare data. Medical images are the widely used data type in the e-healthcare sector. Traditional cryptographic algorithms have limitations when applied to large-scale medical image datasets due to their high computational requirements. The primary goal of this research work is to design and implement indigenous algorithms to provide confidentiality for grayscale and color DICOM (Digital Imaging and Communications in Medicine) images through an encryption process. The research leverages the benefits of reconfigurable hardware, namely the Field-Programmable Gate Arrays …
Mind Matters: Investigating The Impact Of Mental Health First Aid Training On High School Staff, Sarah Jo O'Neill
Mind Matters: Investigating The Impact Of Mental Health First Aid Training On High School Staff, Sarah Jo O'Neill
Theses and Dissertations
This dissertation, titled Mind Matters: Investigating the Impact of Mental Health First Aid Training on High School Staff, examines whether Mental Health First Aid (MHFA) training equips high school personnel with the necessary tools to identify and support students in crisis. Conducted over six weeks during a series of Kitchen Table Conversations, the study involved eight high school staff members who participated in a structured MHFA training program. Qualitative data collected from participant discussions revealed that while the current MHFA training format is a good start, it lacks school-specific contextualization. More importantly, the opportunity to discuss and process the material …
Comparison Of A Terrestrial And Handheld 3d Laser Scanner In As-Built Building Information Model (Bim) Creation, Cedric Scott Jankowski
Comparison Of A Terrestrial And Handheld 3d Laser Scanner In As-Built Building Information Model (Bim) Creation, Cedric Scott Jankowski
Theses and Dissertations
Advances in computer processing have allowed mobile 3D laser scanners to begin to rival terrestrial scanners in terms of accuracy and scanning speed. While terrestrial scanners are the established instrument used in BIM creation for existing buildings, their cost, immobility, and size warrants a comparison to mobile scanners. This evaluation used scans created with both scanner types, the resulting point clouds, and 3D models created by tracing these point clouds to compare the BIM models and resulting floorplans, which were checked against direct on-site measurements. Because terrestrial scanners are considered state-of-the-art, the evaluation focused primarily on comparing mobile scanner and …
A Multi-Objective Reinforcement Learning Framework For Title Autonomous On-Orbit Inspections, Austin C. Reynolds
A Multi-Objective Reinforcement Learning Framework For Title Autonomous On-Orbit Inspections, Austin C. Reynolds
Theses and Dissertations
The rapidly evolving landscape of space operations necessitates dynamic and autonomous systems to address complex challenges such as Resident Space Object (RSO) inspections. This research explores the application of a Multi-Objective Reinforcement Learning (MORL) framework to rendezvous and proximity operations (RPO), enabling agents to balance conflicting objectives like time efficiency, fuel conservation, and information gain. Unlike traditional reinforcement learning, MORL allows dynamic reweighting of objectives without retraining, offering adaptability and efficiency in multi-objective environments. The study demonstrates MORL's capabilities through custom 2D and 3D simulations of Hill-Clohessy-Wiltshire (HCW) environments and comparing its performance to traditional RL in RPO scenarios. Tasks …
Lethality And Survivability Of Autonomous Self-Sensing Uavs, Jeffrey T. Wilson
Lethality And Survivability Of Autonomous Self-Sensing Uavs, Jeffrey T. Wilson
Theses and Dissertations
Unmanned Aerial Vehicles (UAVs) have seen increased usage over the past two decades during the Global War on Terrorism (GWOT), operating in low-risk environments against dispersed enemies with minimal counter-drone capabilities. However, as the U.S. military shifts focus to Multi-Domain Operations (MDO) and Large Scale Combat Operations (LSCO), UAVs face significantly higher risks, including frequent and successful attacks, as well as the exploitation of their technology. Battle damage assessment (BDA) is not new; however, autonomous self-assessment by UAVs represents a novel advancement. Currently, UAV BDA relies on manual inspection, requiring approximately eight hours per drone. By adopting self-sensing technology, UAVs …
Immersive Virtual Reality Heavy Equipment Simulator Training Effectiveness And Participant Performance Comparison, Zachary E. Calderon
Immersive Virtual Reality Heavy Equipment Simulator Training Effectiveness And Participant Performance Comparison, Zachary E. Calderon
Theses and Dissertations
Immersive Virtual Reality (IVR) simulator training is an interactive form of computer-based training that can positively promote the transfer of skills from training to trainees. Even at a lower physical fidelity IVR simulators may more effectively train individuals on the operation of virtual heavy equipment compared to written, demonstrative, and oral computer-based training. IVR simulator training may also be beneficial for implementation of heavy equipment operation training as a means to promote familiarization of controls and foster self-efficacy and confidence in trainees. A multi-stage IVR simulator was created for this study that both trained participants on wheel loader operations and …
Emergency Response Digital Twin: Integrating Augmented Reality And Live Position Data With Simulation-Aided Decision-Making In Real-Time, Joseph Fuentes
Emergency Response Digital Twin: Integrating Augmented Reality And Live Position Data With Simulation-Aided Decision-Making In Real-Time, Joseph Fuentes
Theses and Dissertations
With the growing use of simulation across industries, the digital twin remains an underexplored research area, particularly in emergency management and response. Its real-time updating capability is often overlooked due to the misconception that "digital twin" is merely a complex term for simulation. This paper highlights its distinctiveness through an evasion exercise involving two independent entities in a collocated environment. Using a highly integrated virtual environment (HIVE) and internet of things (IoT) devices, we link the physical system with an analytical simulation, demonstrating the impact of lag times in high-pressure scenarios. The computational model leverages agent-based modeling (ABM) and discrete-event …
Proof Of Concept: Using Uas Technology To Accomplish Aerial Roof Inspections, Madison R. Fanning
Proof Of Concept: Using Uas Technology To Accomplish Aerial Roof Inspections, Madison R. Fanning
Theses and Dissertations
With the growing use of simulation across industries, the digital twin remains an underexplored research area, particularly in emergency management and response. Its real-time updating capability is often overlooked due to the misconception that "digital twin" is merely a complex term for simulation. This paper highlights its distinctiveness through an evasion exercise involving two independent entities in a collocated environment. Using a highly integrated virtual environment (HIVE) and internet of things (IoT) devices, we link the physical system with an analytical simulation, demonstrating the impact of lag times in high-pressure scenarios. The computational model leverages agent-based modeling (ABM) and discrete-event …
Model-Based Approach To Support Safety Driven Design And Satisfy Mil-Std-882e Requirements With Stpa Coordination: A Case History In Suas Defense Acquisition, Daniel A. Shea
Theses and Dissertations
Increasingly complex defense systems that are routinely overbudget and behind schedule are driving digital engineering initiatives in the defense acquisition industry. MBSE offers a solution to counter this issue but the lack of guidance on how to implement it has led to significant experimentation. One MBSE area of interest is system safety. This research demonstrates how to conduct model-based Systems Theoretic Process Analysis (STPA) to meet the unique system safety process requirements from MIL-STD882E. Based in systems theory, STPA extended for coordination enables a safety-driven design process of complex systems. This research investigated conducting STPA in the SysML-RAAML modeling language …