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Articles 991 - 1020 of 9965
Full-Text Articles in Entire DC Network
Validating An Automated Rodent Ultrasonic Vocalization Data Collator, Devin Mark Kellis
Validating An Automated Rodent Ultrasonic Vocalization Data Collator, Devin Mark Kellis
Theses and Dissertations
Rodent ultrasonic vocalizations (USVs) are a key dependent measure within behavioral science that have translational relevance with respect to medical, especially neuropsychiatric, illnesses. In recent years, several programs have been developed to enable the recording, labeling, and parameterization of rodent USVs via conventional, machine learning, or deep learning approaches. However, there remains a need to further automate the downstream process of data collation so that labeled and classified USV parameters can be rapidly formatted and analyzed via statistical approaches based on experimenter preferences. The aim of this thesis was therefore to validate an automated vocalization data collator (AVDC) to expedite …
The Social Influence Network Model Of Performance Expectations, Jingwen Zhong
The Social Influence Network Model Of Performance Expectations, Jingwen Zhong
Theses and Dissertations
Disagreement among group members on each other’s status and competence has been found to negatively impact group performance. However, in theories, it is oftentimes assumed that group members have common perceptions of each other’s competence, or in other words, have a consensus on performance expectations. Recognizing the importance of disagreement on performance expectations, in this dissertation I argue that individuals are subject to the self-serving bias and can develop different performance expectations based on the same status information. The results of an online experiment show that individuals tend to think highly of themselves in both status-homogeneous and status-heterogenous situations, and …
Antioxidant And Anti-Inflammatory Potential Of Engineered Ceria Nanoparticles In The Management Of Alzheimer's Disease, Shanshan Shi
Antioxidant And Anti-Inflammatory Potential Of Engineered Ceria Nanoparticles In The Management Of Alzheimer's Disease, Shanshan Shi
Theses and Dissertations
Alzheimer's disease (AD) is a devastating neurodegenerative disorder that affects millions worldwide. Unfortunately, there are currently no effective therapies available to prevent or cure the disease. While current therapies aim to change AD progression, there is a growing need for novel therapeutic strategies that can effectively penetrate the blood-brain barrier (BBB) to target the underlying pathology of the disease. The BBB is a highly selective semipermeable barrier that separates circulating blood from the brain. It plays a crucial role in amyloid-β (Aβ) homeostasis and clearance dynamics, as Aβ accumulation is a key factor in the pathogenesis of AD. Aβ aggregation …
Initial Evaluation Of A Peer Supervision Program For Health Service Psychology Doctoral Students, William Bradley
Initial Evaluation Of A Peer Supervision Program For Health Service Psychology Doctoral Students, William Bradley
Theses and Dissertations
Clinical supervision has long been utilized as the primary method of clinical training and evaluation for health service psychology doctoral students. Despite the central role that supervision has played and continues to play in the training of psychologists, little scholarly attention has been given to identifying effective methods for fostering competency in providing supervision. The lack of research in this area is concerning, given the accumulating evidence that negative supervision experiences, such as ineffective or inadequate supervision, are reported by a substantial proportion of trainees (21-92% across studies). Moreover, these experiences are associated with important proximal and distal training outcomes, …
Control Optimization And Adaptive Tuning Of Droop Controlled Systems For Dc Bus Stability Via Terminal Impedance Shaping, Andy Wong
Theses and Dissertations
Many traditional AC systems have been moving towards DC in recent decades due to advancements in power electronics and semiconductor devices. DC power distribution systems, such as DC microgrids, have become increasing popular due to energy efficiency, resiliency, and renewable energy integration. However, with such systems which commonly utilize droop control, comes an issue of system stability due to the interconnection of multiple feedback-controlled converters to a common bus. To combat this issue, this thesis proposes a control optimization and adaptive tuning approach for maintaining DC bus stability and dynamic performance of droop controlled systems. First, a terminal impedance model …
Nonverbal Iq Test Performance In Preschool-Age Children With Varying Language, Sandra Danelle Irvin
Nonverbal Iq Test Performance In Preschool-Age Children With Varying Language, Sandra Danelle Irvin
Theses and Dissertations
Purpose – This study aims to investigate the impact of two types of factors on IQ test performance in children with variation in language ability. The two types of factors studied here are: a) test characteristics (i.e., complexity of test directions) and test-taker characteristics (i.e., language ability). Method – Four participants, ages 4-7, completed norm referenced assessments for language and intelligence. Results – Descriptive results suggest no discernable trends between performance on language assessments and nonverbal IQ measures. The results demonstrated a discernable negative trend between performance on nonverbal IQ measures and linguistic complexity of instructions. Implications – While the …
Saved By Naloxone: The Path To Sobriety?, Marli Rose-Firillo Fichtner
Saved By Naloxone: The Path To Sobriety?, Marli Rose-Firillo Fichtner
Theses and Dissertations
Beginning in the early 2000s, lawmakers sought to mitigate harm and reduce mortality rates by enacting various policies and increasing community outreach, such as educating society about the dangers of opioids. These efforts can be divided into two broad categories: Drug use prevention and harm reduction. Research has been conducted on both of these strategies, utilizing retrospective analysis on outcomes including crime and mortality, among others. It is of great interest to understand which policies are most effective. NALs are an example of harm reduction because they reverse overdoses should they occur. Preemptive naloxone distribution reduces the likelihood of fatal …
Humanizing Healthcare: Supporting Lgbtq+ Healthcare Professionals And Trainees, Atticus Wolfe
Humanizing Healthcare: Supporting Lgbtq+ Healthcare Professionals And Trainees, Atticus Wolfe
Theses and Dissertations
The public perception of the healthcare profession has been shifting in recent years largely attributed to the rise of scientific and medical skepticism impacting perceptions of the value of healthcare professionals and care itself (Goddard & Patel 2021). While healthcare professions remain associated with higher public value, healthcare professionals and trainees are expected to adhere to rigid expectations of medical professionalism that may contradict other aspects of their identities. LGBTQ+ identity in particular may pose conflicts to the expectations of healthcare professionalism, contributing to lower self-perceived value for LGBTQ+ healthcare professionals and trainees compared to non-LGBTQ+ healthcare professionals and trainees …
Exploring The Impact Of Neonatal Transport On The Health Of Black Preterm Infants And Psychosocial Challenges Faced By Parents In Relation To Social Determinants Of Socioeconomic And Racial Inequities, Karen Faye Warren
Theses and Dissertations
Neonatal transport is a unique aspect of preterm birth. This descriptive, exploratory dissertation study used a multiple-case study design, and mixed methods approach to describe the trajectory of Black preterm outborn infants and their mothers from birth, through transport to a referral center through NICU hospitalization until discharge, for a detailed analysis of each case. The specific aims were 1) Describe each infant's transport trajectory, including baseline characteristics of the community hospital of birth (size, level of care, birthing resources), transport characteristics (mode, distance, personnel), and infant health from birth to arrival of regional referral neonatal intensive care unit; 2) …
Reimagining Utopia In Post-Utopian China: Chinese Science Fiction And The Reinvention Of Cultural Tradition, Dan Luo
Theses and Dissertations
Despite the end of China’s socialist dream in the late 1970s, utopian expressions about the nation’s rise and progress have continued to emerge in official and popular imaginaries. These expressions find an outlet in the newly popularized sci-fi genre, and especially in literary experiments that evoke cultural resources ranging from premodern and early modern historical and literary records of scientific achievements to figures, tropes, and myths in classical tales, vernacular novels, and ethnic traditions. These experiments at times validate and support, and at times challenge and subvert the nationalist, progressive, and utopian narratives of the state. This dissertation investigates the …
Sexual Quality Of Life In Sexual And Gender Minority Women After Cancer, Heather Schneider Miles
Sexual Quality Of Life In Sexual And Gender Minority Women After Cancer, Heather Schneider Miles
Theses and Dissertations
Sexual quality of life (SQoL) is a critical aspect of well-being, encompassing physical, emotional, and social dimensions. For sexual and gender minority women (SGMW)—lesbian, bisexual, transgender, or queer—cancer presents unique challenges. This dissertation examined the relationships between cancer treatment symptoms, social support, and communication with the cancer care team (CCT) on SQoL among SGMW survivors of breast, gynecological, and colorectal cancers. Quantitative data from 37 participants were collected using PROMIS® measures, assessing demographics, treatment history, post-treatment symptoms, perceived social support, and communication with the CCT. Additionally, in-depth interviews with five participants provided qualitative insights into their experiences and the meaning …
Developing A Behavior-Based Measure Of Teacher-Student Relationship Quality, Amanda Lynn Davis
Developing A Behavior-Based Measure Of Teacher-Student Relationship Quality, Amanda Lynn Davis
Theses and Dissertations
Students benefit from close, supportive relationships with their teachers. When students feel supported by their teachers, they tend to perform more strongly on social, emotional, behavioral, and academic outcomes compared to peers whose relationships with their teachers are conflictual or strained. Emerging evidence suggests that the quality of these relationships may be improved through interventions that increase teachers’ relationship-building behaviors. Yet, the field lacks a measure that explores teacher-student relationship quality by examining the frequency of the specific relationship-building behaviors that may be subject to intervention. The current study aims to address this problem by developing and pilot testing a …
Social Cognitive Factors That Contribute To Student Retention In A High School Engineering Pathway: A Longitudinal Study, Matthew Vargyas
Social Cognitive Factors That Contribute To Student Retention In A High School Engineering Pathway: A Longitudinal Study, Matthew Vargyas
Theses and Dissertations
This action research study investigated the cognitive factors that impacted students’ choice to continue within a high school engineering pathway, and the effect of multiple engineering courses on students’ engineering self-efficacy. Participants (N = 87) were students who completed three quantitative surveys throughout the engineering course(s) in which they were enrolled. Using the theoretical framework of Social Cognitive Career Theory, each survey measured student engineering self-efficacy, coping self-efficacy, outcome expectations, interests, persistence goals, external supports, and external barriers. Near the end of the course, students completed a qualitative, open-response questionnaire where they indicated their decision to continue in the engineering …
Understanding Cancer Grade And Survival Disparities Among Young Adults Diagnosed With Non-Hodgkin’S Lymphoma (Nhl) Residing In South Carolina, Prema S. Bhattacharjee
Understanding Cancer Grade And Survival Disparities Among Young Adults Diagnosed With Non-Hodgkin’S Lymphoma (Nhl) Residing In South Carolina, Prema S. Bhattacharjee
Theses and Dissertations
Introduction. Previous research has shown that age and cancer grade differences must be carefully considered when developing initiatives to improve outcomes for NHL among the young adult population. The aims of this study are 1) to examine differences between low vs. high grade in NHL by race/ethnicity, healthcare insurance, and geographic factors among YAs aged 18-39 years of age in South Carolina, 2) to examine delays in the first course of cancer treatment for NHL by race/ethnicity, healthcare insurance, and county of residence (urban vs. rural) among YAs aged 18-39 years of age in South Carolina, and 3) examine differences …
How Organizational Structure And Power Dynamics Impact Decision Making—An Empirical Investigation Of General Manager Turnover In The National Basketball Association, Xiaoan Huang
Theses and Dissertations
This dissertation examines the factors affecting GM dismissals in the NBA. Although there is limited consideration of executives in sport, scholars argue that GMs play a critical role within professional sport organizations, as they are generally involved in both business and on-field operations of the team. While there is some understanding of the impact that GMs have on organizational performance in sports, there is a lack of consideration of the tenure of executives and the factors that lead to turnover in these positions. As such, there is a critical need for further examination of GMs in sport. Following power theory …
Optimization Of A Nanotechnology-Based System For The Treatment Of Electroplating Wastewater, Madeleine Mary Meyer
Optimization Of A Nanotechnology-Based System For The Treatment Of Electroplating Wastewater, Madeleine Mary Meyer
Theses and Dissertations
To protect humans and the environment, human actions that may expose living organisms to toxic metals are heavily regulated in developed countries. The use and production of toxicants in commercial applications is tightly controlled in the United States of America by federal and state laws. Due to this fact, United States manufacturing companies are required to control the amount of regulated toxicants that leave their facilities. Toxic metals in wastewater are heavily regulated by federal and state law, with manufacturing facilities permitted individually for the concentrations of metals they are allowed to discharge via their wastewater. From previous research conducted …
Investigating The Mediating Effect Of Social Support In Team Sport Participation On Adolescent Mental Health Outcomes, Olivia Schmitke
Investigating The Mediating Effect Of Social Support In Team Sport Participation On Adolescent Mental Health Outcomes, Olivia Schmitke
Theses and Dissertations
Peer and non-familial adult supportive relationships are a critical part of healthy adolescent development, positively influencing psychological, behavioral, and social domains (e.g., Panza et. al., 2020). Extracurricular sports activities are a source of peer (e.g., teammates) and adult (e.g., coaches) relationships and are associated with favorable impacts on mental health which may be an impactful protective factor given the rise of mental health crisis in youth today. The present study aimed to clarify the relationship mechanisms underlying the benefits of sports participation by examining and effecting social support has on mental health outcomes in adolescents engaged in sports. In doing …
Using Youth Participatory Action Research To Scale Up Pre-Exposure Prophylaxis (Prep) In The Southern United States, Mariajose Jhamira Paton
Using Youth Participatory Action Research To Scale Up Pre-Exposure Prophylaxis (Prep) In The Southern United States, Mariajose Jhamira Paton
Theses and Dissertations
The recently launched initiative, Ending the HIV Epidemic (EHE), provides a targeted plan to end HIV in the United States (US) by 2030, and prioritizes key demographic groups and geographic areas that are disproportionately burdened by HIV. Sexual and gender minority (SGM) youth, especially Black and Latiné youth (SGMBLY), are a key population for EHE as they have experienced the largest increase in new HIV rates in recent decades. States identified by EHE are disproportionately located in the Southern US, where increasing the uptake of pre-exposure prophylaxis (PrEP) for HIV has been a challenge. Though proven effective, youth participatory action …
Scenic Design: Learning How To Think Outside The Black Box, Ashley Jensen
Scenic Design: Learning How To Think Outside The Black Box, Ashley Jensen
Theses and Dissertations
During my time in the scenic design MFA program at the University of South Carolina, the most important thing I learned is how little I knew before starting this journey. This thesis will explore the challenges I faced and the growth I experienced through the pain of it all. I will demonstrate what I learned by going through each design process step-by-step, and how I became a better artist for it.
Altered Sensory Processing And Pain In Youth With Sickle Cell Disease: Risk Factors And Moderators, Julia Johnston
Altered Sensory Processing And Pain In Youth With Sickle Cell Disease: Risk Factors And Moderators, Julia Johnston
Theses and Dissertations
Introduction: Youth with sickle cell disease (SCD) experience recurrent pain and increased risk for chronic pain. Neuropathic pain, characterized by alterations to the central and/or peripheral nervous systems, is not well understood among youth with SCD. Based on our current understanding of pain systems and existing literature on pain in SCD, this study aimed to elucidate psychosocial correlates of altered sensory processing (ASP) and neuropathic pain, determine biomedical risk factors contributing to the development of ASP among youth with SCD, and identify how sensory processing and biopsychosocial factors collectively influence pain experiences by assessing two plausible models. Methods: Thirty-five youth …
Accessory Eyes And Dynamic Color Change In Palaemon Vulgaris, Nicholas Raymond Steichmann
Accessory Eyes And Dynamic Color Change In Palaemon Vulgaris, Nicholas Raymond Steichmann
Theses and Dissertations
Eyes are physiologically costly organs to produce and maintain, making the development of secondary eyes intriguing. Caridean shrimp possess reflecting superposition primary eyes, but some species across fourteen families possess an additional pair of eyes called accessory eyes along the dorso-posterior margin of the primary eyes. Secondary eyes are found in lizards, lampreys, and insects, where they often function as illumination detectors. Some shrimps may use accessory eyes to signal endocrine organs in their eyestalks to alter the pigmentation of their carapace providing better camouflage through disruptive coloration. To investigate the role of accessory eyes in dynamic color change we …
Enhancing The Security In High-Speed Networks Using P4 Programmable Switches, Ali Alsabeh
Enhancing The Security In High-Speed Networks Using P4 Programmable Switches, Ali Alsabeh
Theses and Dissertations
Network security has become increasingly essential in today's networks due to the growth of various network applications, such as Machine Learning (ML) and Fifth-Generation (5G) Networks. One fundamental Internet protocol is the Domain Name System (DNS), which maps domain names to Internet Protocol (IP) addresses. Despite its importance, DNS traffic is often forwarded without being analyzed, making it a center of ever-evolving attacks. Traditionally, defense strategies are implemented on fixed-function security middleboxes that are costly, proprietary, and hard to manage. Alternatively, defenses implemented in software use general-purpose servers (e.g., the control plane of a Software-Defined Networking (SDN) network) that cannot …
The Value Of Intercollegiate Athletics Participation From The Perspective Of Employers Who Target Athletes, Peter Chalfin, Erianne Weight, Barbara Osborne, Shelly Johnson
The Value Of Intercollegiate Athletics Participation From The Perspective Of Employers Who Target Athletes, Peter Chalfin, Erianne Weight, Barbara Osborne, Shelly Johnson
Journal of Issues in Intercollegiate Athletics
No abstract provided.
Social Media Policies Within Ncaa Member Institutions: Evolving Technology And Its Impact On Policy, Jimmy Sanderson, Eric Snyder, David Hull, Kelly Gramlich
Social Media Policies Within Ncaa Member Institutions: Evolving Technology And Its Impact On Policy, Jimmy Sanderson, Eric Snyder, David Hull, Kelly Gramlich
Journal of Issues in Intercollegiate Athletics
No abstract provided.
Predicting Intrinsic Value Of Ncaa Division I Men’S Basketball Coaching Salaries, Ryan M. Brewer, Chad D. Mcevoy, Nels Popp
Predicting Intrinsic Value Of Ncaa Division I Men’S Basketball Coaching Salaries, Ryan M. Brewer, Chad D. Mcevoy, Nels Popp
Journal of Issues in Intercollegiate Athletics
No abstract provided.
Examining The Influence Of Gender On Athletes’ Levels Of Moral Reasoning…, Vincent Lyons, Brian A. Turner
Examining The Influence Of Gender On Athletes’ Levels Of Moral Reasoning…, Vincent Lyons, Brian A. Turner
Journal of Issues in Intercollegiate Athletics
No abstract provided.
Short- And Medium-Term Impacts Of Small-Scale Vegetable Support On Food Security: Evidence From Syria, Ghassan Baliki, Melodie Al Daccache, Hala Ghattas Ph.D., Tilman Brück
Short- And Medium-Term Impacts Of Small-Scale Vegetable Support On Food Security: Evidence From Syria, Ghassan Baliki, Melodie Al Daccache, Hala Ghattas Ph.D., Tilman Brück
Faculty Publications
Small-scale agricultural and horticultural interventions play a critical role in improving nutrition and food security of vulnerable households in peaceful settings. However, scant rigorous evidence exists on the impacts and sustainability of such interventions in conflict settings. In this paper, we address this knowledge gap by analyzing the short- and medium-term impacts of a small-scale vegetable input support program involving asset transfers on food security and diets in war-time Syria. We use longitudinal panel household survey data from a quasi-experimental study collected at three rounds: before, one year, and two years after the horticultural intervention ended. We use propensity score …
Under Pressure: The Interplay Of Hypertension And White Matter Hyperintensities With Cognition In Chronic Stroke Aphasia, Jade Hannan, Natalie Busby, Rebecca Roth, Janina Wilmskoetter, Roger Newman-Norlund Ph.D., Chris Rorden, Leonardo Bonilha, Julius Fridriksson Ph.D.
Under Pressure: The Interplay Of Hypertension And White Matter Hyperintensities With Cognition In Chronic Stroke Aphasia, Jade Hannan, Natalie Busby, Rebecca Roth, Janina Wilmskoetter, Roger Newman-Norlund Ph.D., Chris Rorden, Leonardo Bonilha, Julius Fridriksson Ph.D.
Faculty Publications
While converging research suggests that increased white matter hyperintensity load is associated with poorer cognition, and the presence of hypertension is associated with increased white matter hyperintensity load, the relationship among hypertension, cognition and white matter hyperintensities is not well understood. We sought to determine the effect of white matter hyperintensity burden on the relationship between hypertension and cognition in individuals with post-stroke aphasia, with the hypothesis that white matter hyperintensity load moderates the relationship between history of hypertension and cognitive function. Health history, Fazekas scores for white matter hyperintensities and Wechsler Adult Intelligence Scale Matrix Reasoning subtest scores for …
Colombia As A Future Tourism Destination From U.S. Travelers’ Perspective, Maricela I. Montes-Guerra, Natalia Zapata-Cuervo, Miyoung Jeong Ph.D.
Colombia As A Future Tourism Destination From U.S. Travelers’ Perspective, Maricela I. Montes-Guerra, Natalia Zapata-Cuervo, Miyoung Jeong Ph.D.
Faculty Publications
This research identified the perceptions of U.S. travelers regarding Colombia as a potential tourism destination, including their perception of risk. The framework of destination image and travelers’ behavior, including perceived risk, cognitive and affective images, and perceived value for the trip, was adopted. Data for these behaviors were collected using a self-administered online survey with U.S. citizens who had not visited Colombia. Hypotheses were tested employing Confirmatory Factor Analysis and the Partial Least Squares method to analyze the measurement and structural models. The results indicated that U.S. citizens had a positive affective and cognitive perception of Colombia, which led to …
College Athletes And Suicide Prevention: A Collaborative Autoethnography, Kim D. Gross, Lisa M. Rubin, Anne P. Weese
College Athletes And Suicide Prevention: A Collaborative Autoethnography, Kim D. Gross, Lisa M. Rubin, Anne P. Weese
Journal of Issues in Intercollegiate Athletics
This collaborative autoethnography weaves together a personal and powerful story from a former college athlete turned student-athlete services professional with reflections from a licensed mental health counselor who works with student-athletes. Kim shared her own struggles with mental health as well as her initially unknowing impact on a teammate, who sought her support when contemplating suicide. Information about depression and suicide among college athletes is presented along with practical ways and resources for anyone who might work with student-athletes to know. Developing skills to talk to student-athletes about suicide is one method for professionals to participate in supporting the mental …