Digital Commons Network^™

Career Adaptability: A Phenomenological Examination Of High School Student-Athlete's Perception Of Their Adaptive Skill Development, Aretha Barnes

Dissertations

This phenomenological study examined high school student-athletes’ perspectives on their adaptive skill development and how their experiences with sports influenced their career development techniques. The study aimed to provide insight into the formation of the adaptive skill development of high school student-athletes to promote post-secondary planning that includes career options outside of the world of sports. Twelve graduated student-athletes who participated in revenue sports at the senior high level completed the Career Adapt-Abilities Scale and participated in an interview designed to measure adaptive attitudes, behaviors, and competencies. Participants’ interview responses were coded based on behaviors, attitudes, and competencies that correlated …

Evidence-Based Practices And Self-Efficacy: A Quantitative Study Of Mental Health Counselors Treating Clients With Substance Use Disorder, Carl Bastien

Dissertations

Substance use disorder affects a substantial number of individuals in the United States. The specific problem of this research is that it was not known to what extent their use of evidence-based practices is driven by their sense of self-efficacy. The purpose of this quantitative correlational research was to examine to what extent the use of evidence-based practices covary with a sense of self-efficacy for mental health counselors treating individuals diagnosed with a substance use disorder. The study population was 121 mental health counselors who specialized in substance use disorder treatment who completed a digital survey. The study findings did …

Increasing Life Skills While Decreasing Depression, Anxiety, And Stress In Transitional Aged Youth: A Person-Centered Mentorship Approach, Allanah Roberts-Headley

Dissertations

Transitional Aged Youth (TAYs) are young adults between 18-24 who have recently aged out of the foster care system and are now a part of the Extended Foster Care system (EFC). Unfortunately, this population is not guaranteed familial or social support. They have to rely on basic knowledge and skills obtained while in the foster care system to help with navigate their world. Most TAYs end up homeless, unemployed, and incarcerated. There is also a high pregnancy rate among TAYs. Due to the limited assistance they receive upon entering EFC, they are at a higher risk of experiencing mental health …

Exploring The Strengths Within And Supports Needed For Women To Transition From Homelessness To Stability: A Strengths-Focused Mixed-Methods Study, Ann Smith

Dissertations

Homelessness is a real problem affecting many individuals with basic needs, and more than half of the people unhoused at any given time in the United States (US) are part of families with children. This mixed-method study examined the perspectives of mothers who experienced homelessness in the past in the US to understand the strength and support needed to transition back into a permanent home. The study then explored the perspectives of homeless service providers (HSPs) whose careers involve providing recommendations to unhoused individuals on how to balance their needs with supportive services. The qualitative narrative study consisted of a …

An Inaugural, Qualitative Examination Of The Relationships Between People With Gender Nonconforming Expression And Social Anxiety, Chrystiana Jones

Dissertations

The focus in this research was on the experience of social anxiety associated with people with gender nonconformity. The study involved consideration of the issues people with gender nonconformity face as well as the mental impact that often occurs as a result of the rejection of other people in their lives, including their family and friends, as well as how and in what ways gender nonconforming people are affected by negativity in their environment. Data related to the problems that develop with such people, in particular the impact of stigmatization, discrimination, and social anxiety on people with gender nonconformity were …

Perceptions Of The Veterans Administration And Mental Health Treatment Seeking Intentions Among Veterans, Hilary Hines

Dissertations

Among the veteran population there is a trend of underutilizing mental health services despite the higher number of veterans with mental health diagnoses. Though previous research has examined barriers to mental health care such as stigma and a warrior mentality, there may be additional barriers that emanate from the system to which veterans are entitled and encouraged to use, the Veterans Administration (VA). This study examined the mediational relationships among perceptions of the VA, attitudes about seeking mental health treatment at the VA, and intentions to seek mental health treatment at the VA among veterans. Data from 96 veterans were …

Adverse Childhood Experiences(Aces) And Nonverbal Reasoning Skills, Monika Malinowska

Dissertations

Severe stress and interpersonal traumatic experience in childhood have a cascade effect on an individual's physical and mental health. There is evidence that people with complex adverse childhood experiences have diminished cognitive abilities. However, there are few studies on the effects of Adverse Childhood Experiences (ACE) on non-verbal reasoning skills. This study aimed to assess the relationships between ACEs, non-verbal reasoning skills, and academic achievement.

Parenting And Students' Gpa In The Latino Population: An Exploratory Study, Carolina Arboleda

Dissertations

The present study experimentally investigated Latino high school students’ grade point averages (GPA) and the parenting styles used by their parents based on Baumrind’s (1968, 1971, 1989, 1991) theory of parenting behaviors. Participants (N=52) were asked to take a survey of 62 questions total addressing three parenting dimensions as measured by the Escala Parental Breve to categorize their parents’ behaviors into parenting styles. Participants also responded to demographic questions such as English proficiency, household income, parents’ education level, and other relevant factors impacting parenting and GPA. Results from the study were limited as there was a limited number of participants; …

Stereotype Threat: A Proposed Process Model On The Impact Of Stereotype Threat On Self-Efficacy And Minority Performance, Sherese Stewart

Dissertations

Kingdon and Cassen (2010) indicated that historically there has been concern about the educational achievement of minority individuals. There is a need for research about the psychological mechanisms that play a part in the minority achievement gap. This document explored how stereotype threat impacts self-efficacy and minority academic performance and implications for cultural mistrust, imposter phenomenon, and self-fulfilling prophecies. All these factors have the propensity to place minority individuals at risk for low performance, leading to gaps in education. The population of focus for this review consisted of African Americans, Latinx individuals, and women. There has been limited research about …

Narratives Of Perseverance By Latina Women Paving Their Way To Success In Science, Technology, Engineering, Art, And Math (Steam) Higher Education, Toni Carmichael

Dissertations

The purpose of this narrative study was to understand the experiences of successful Latina women attaining higher education in Science, Technology, Engineering, Art, and Mathematics (STEAM) and the challenges they have overcome along the way. Additionally, I sought to examine ways in which these students challenged the stigma of invisibility often attached to Latino communities. Representatives from Brazil, Ecuador, El Salvador, and Mexico, the participants of this study were seven women employed in various areas of STEAM with higher education degrees.

Cultural Capital and Feminist Cultural Studies provided the theoretical framework for this study. The three-dimensional narrative design was applied …

Social And Emotional Learning: An Examination Of Perspectives On Using Faith-Based Supports As An Option In Public-School Communities, Remus Galvin

Dissertations

The present study involved an examination of perspectives on offering faith-based support as an option on an individual basis for social and emotional learning (SEL) within a public-school community. The research consisted of a survey of former and current public-school students and parents (N = 26) and a focus group interview of five former and current school administrators to gather their perspectives of their tenure within public schools and the need to provide access to faith-based supports within a public-school community. After analyzing the data, a majority of the survey participants agreed that access to faith-based supports for SEL …

Pathways To Offending: Domestic Sex Trafficking, Julie Williams

Dissertations

Multidisciplinary professionals across criminal justice, public policy, education, and health and

human services have all attempted to understand the complex phenomenon of sex trafficking to assist victims, correct offenders, and prevent future abuse. However, current research has struggled to agree on terms, definitions of terms, best measures of prevalence, and recommendations to address sex trafficking in the United States. This review of current literature aims to offer a synthesized framework to conceptualize domestic sex trafficking perpetrator behaviors (what they do), their uses of force, fraud, and coercion (how they do it), and their motivations and justifications/rationalizations for those behaviors (why …

Racial Identity Within The Indo-Caribbean Community: A Proposed Model, Alyssa Ramdihal

Dissertations

Part of the South Asian diaspora, the Indo-Caribbean community is a particularly marginalized minority community as a result of colonialism. Indo-Caribbeans are only considered the majority ethnic group in the country of Guyana, where there is a high rate of suicide mostly among Indo-Caribbean men who view it as a behavioral expression of emotional distress. From the research available, the Indo-Caribbean experience of mental health access in the Caribbean is limited due to improper collection and reporting of demographic information. Indo-Caribbeans who were raised from a young age or born outside of the Caribbean community region, often experience discrimination and …

A Rudimentary Framework Of The Emergence Of Naturally-Occurring Mentorships, Aaron S. Baker Cervantes

Dissertations

Cross-age relationships between youth and adults that develop organically outside the construct of youth programs are examples of natural mentoring relationships. In the United States, research has demonstrated the positive impact of these mentorships. Scholars have begun applying concepts learned from natural mentoring to formal mentoring schema; however, much work is yet to be done in examining how these relationships emerge and the factors that impact their development. Designed in partnership with a private secondary school in rural México, this study aimed to unpack these questions using a grounded theory approach. Current students, alumni, and teachers participated in the study …

Identity And Public History, William Holderfield

Dissertations

This paper considers the creation of identity and self through interaction with museums. By understanding whether there is a correlation between how someone views themselves and their placement within society and the national narrative, consideration of alternative actions in combating social issues is possible. Likewise, through this knowledge, there is the potential for museums and public spaces to become of greater interest as places where topics relating to social concerns are presented and discussed. A qualitative research method was used to gather evidence of the correlation between identity and museums and revealed a relationship between identity and self-understanding and museum …

Blockchain-Enabled Ehr Sharing In Healthcare Federation: Sharding And Interblockchain Communication, Faiza Hashim

Dissertations

Electronic Health Records (EHRs) are crucial components of the healthcare system, facilitating accurate and efficient diagnosis. Blockchain technology has emerged as a promising solution to improve EHRs sharing among medical practitioners while ensuring privacy and security. By leveraging its decentralized, distributed, immutable, and secure architecture, blockchain has the potential to revolutionize the healthcare system. However, due to security concerns, blockchain networks in healthcare typically operate in private or consortium modes, resulting in isolated networks within a federation. Scalability remains a significant challenge for blockchain networks, as the number of participating nodes increases within each network of the federation. Consensus mechanisms …

Delineating The Cellular Mechanisms Of Endoplasmic Reticulum-Retained Endoglin Mutants Causing Hereditary Hemorrhagic Telangiectasia Type 1, Nesrin Mohammed Gariballa

Dissertations

Endoglin, also known as cluster of differentiation 105 (CD105), is an auxiliary receptor in the TGFβ signaling pathway. It is predominantly expressed in endothelial cells as a component of the heterotetrameric receptor dimers comprising type I, type II receptors and the binding ligands. Mutations in ENG, the gene encoding endoglin, have been associated with Hereditary Hemorrhagic Telangiectasia type 1 (HHT1), a rare autosomal dominant inherited disorder affecting about 1 in 5000-8000 individuals, which is generally characterized by vascular malformations. Secretory and many endomembrane proteins synthesized in the Endoplasmic Reticulum (ER) are subjected to a highly stringent protein folding and assembly …

Undergraduate Nursing Students' Perceptions Of Clinical Readiness Increase With Integration Of Simulation Using Ati-Supported Resources, Kasey L. Trill

Dissertations

The purpose of this study was to increase first semester Historically Black College and University (HBCU) nursing student's simulation exposure by 50% using the ATI education platform and measure student perceptions of readiness for clinical rotations. This study addressed the research gap of simulation in beginning nursing courses and the impact on student perceptions of self-efficacy in future clinical rotations and contributes to the larger body of simulation research by answering the following questions:

1. What are student perceptions regarding simulation and clinical readiness?

2. How does exposure to simulation impact student clinical performance outcomes?

3. To what degree does …

Sibling Experiences With Autism Spectrum Disorder: A Hermeneutic Phenomenological Analysis, Katherine Golden

Dissertations

This study explored the lived experiences of adult siblings of a child with autism utilizing the framework of ambiguous loss theory (Boss, 1999). An exploratory analysis of the sibling experience began with the research question: What are the lived experiences of adult siblings of individuals diagnosed with autism spectrum disorder? Further analysis used the theoretical framework of ambiguous loss theory with the secondary question: How have adult siblings been affected by ambiguous loss in their experiences with a sibling with autism spectrum disorder? Heidegger’s (1962) hermeneutic phenomenological approach was utilized to guide the semi structured in-depth interviews and to analyze …

Stream-Evolving Bot Detection Framework Using Graph-Based And Feature-Based Approaches For Identifying Social Bots On Twitter, Eiman Alothali

Dissertations

This dissertation focuses on the problem of evolving social bots in online social networks, particularly Twitter. Such accounts spread misinformation and inflate social network content to mislead the masses. The main objective of this dissertation is to propose a stream-based evolving bot detection framework (SEBD), which was constructed using both graph- and feature-based models. It was built using Python, a real-time streaming engine (Apache Kafka version 3.2), and our pretrained model (bot multi-view graph attention network (Bot-MGAT)). The feature-based model was used to identify predictive features for bot detection and evaluate the SEBD predictions. The graph-based model was used to …

Characterization Of Immunomodulatory Properties Of Manuka Honey: Potential Mitigation Against Colon Cancer, Razan Jamil Masad

Dissertations

The focus on using alternative natural products for cancer prevention and treatment has been increasing over the past decade. Among these natural products, Manuka honey (MH) has been extensively investigated for its antimicrobial, wound healing, and anticancer effects. The current study aimed to characterize the immunomodulatory capacity of MH using both in vitro and in vivo approaches and investigate its potential to modulate anti-tumor immune responses in a preclinical model of colorectal cancer. We demonstrate that MH can directly act on macrophages to induce gene expression of several inflammatory cytokines and chemokines and the production of TNF-a, a major proinflammatory …

A Narrative Inquiry Study Of Adult Female Survivors Of Childhood Sexual Abuse And Their Journey Into Individual Counseling, Alex Houseknecht

Dissertations

The purpose of the narrative inquiry is to investigate the journey of adult female survivors of childhood sexual abuse (CSA) in seeking out and obtaining individual counseling. The goal is to understand why survivors seek individual counseling and how the process of obtaining and utilizing counseling unfolds over time.

This qualitative study is conducted with convenience and criterion sampling selection. The participants used for the study are two adults who identify as female, aged 18 or older, who are survivors of more than one incident of CSA and are current clients of therapists in the investigator’s existing professional network. Additionally, …

An Engineering Approach For Evaluating The Lifetime Experience Of Sex Trafficking Victimization, Kimberly Starr Nagulpelli

Dissertations

This research is an original approach that applies industrial engineering and operations research tools to the sociological problem of sex trafficking victimization. Such an approach enables quantitative evaluation of the impacts on an individual’s lifetime by anti-trafficking efforts and public policies.

A fully interconnected, lifetime model for the experience of sex trafficking victimization is defined as the result of a comprehensive review of literature. Beginning with victimization risk, the defined model is an anticipatory tool to understand the incidences and consequences to individuals during their lifetime. This research develops the model further into a Discrete-Time Markov Chain (DTMC) with definitions …

Molecular Mechanisms Of Natural And Synthetic Compounds Against Breast And Colon Cancer, Aysha Hamad Alneyadi

Dissertations

Cancer is a complex disease with various causes, including genetic mutations, viruses, chemical agents, and lifestyle factors. Although numerous studies have been conducted to develop a cure or novel medications for cancer, no standout treatment has been found. In this project, the use of various natural and synthetic compounds as potential cancer treatments was investigated using triple-negative breast cancer (TNBC) and colon cancer cells. The cancer therapy strategies investigated were based on plant-derived therapuetic approaches including an essential oil (Origanum majorana essential oil), a pure phytochemical (Carnosol), and newly developed synthetic drugs (Chromenes drevatives; C1 and C2). This study …

Enhancing The Bioactivity And Functionality Of Camel Whey By Enzymatic Hydrolysis And Conjugation With Quercetin, Waqas Nabi Baba

Dissertations

This dissertation focuses on enhancing the bioactivity and emulsifying properties of camel whey through peptic hydrolysis and conjugation with quercetin, respectively. Peptic hydrolysis of camel whey using pepsin was performed using a general full factorial design (33) to study the effects of temperature (30, 37, and 45°C), times (120, 240, and 360 min), and enzyme concentrations (0.5, 1, and 2%) on antihypertensive and antilipidemic properties. The generated hydrolysates showed higher inhibition of pancreatic lipase (0.465 to 7.5 mg/mL), cholesterol esterase (0.240 to 1.243 mg/mL), and Angiotensin Converting Enzyme (ACE) (0.197 to 1.307 mg/mL) compared to control camel whey. Various bioactive …

Machine Learning And Network Embedding Methods For Gene Co-Expression Networks, Niloofar Aghaieabiane

Dissertations

High-throughput technologies such as DNA microarrays and RNA-seq are used to measure the expression levels of large numbers of genes simultaneously. To support the extraction of biological knowledge, individual gene expression levels are transformed into Gene Co-expression Networks (GCNs). GCNs are analyzed to discover gene modules. GCN construction and analysis is a well-studied topic, for nearly two decades. While new types of sequencing and the corresponding data are now available, the software package WGCNA and its most recent variants are still widely used, contributing to biological discovery.

The discovery of biologically significant modules of genes from raw expression data is …

Neural Correlates Of Post-Traumatic Brain Injury (Tbi) Attention Deficits In Children, Meng Cao

Dissertations

Traumatic brain injury (TBI) in children is a major public health concern worldwide. Attention deficits are among the most common neurocognitive and behavioral consequences in children post-TBI which have significant negative impacts on their educational and social outcomes and compromise the quality of their lives. However, there is a paucity of evidence to guide the optimal treatment strategies of attention deficit related symptoms in children post-TBI due to the lack of understanding regarding its neurobiological substrate. Thus, it is critical to understand the neural mechanisms associated with TBI-induced attention deficits in children so that more refined and tailored strategies can …

Motion-Resistant Pulse Oximetry, Ludvik Alkhoury

Dissertations

The measurement of vital signs ? such as peripheral capillary oxygen saturation (SpO₂) and heart rate (HR) levels ? by a pulse oximeter is studied. The pulse oximeter is a non-invasive device that measures photoplethysmography (PPG) signals and extracts vital signs from them. However, the quality of the PPG signal measured by oximetry sensors is known to deteriorate in the presence of substantial human and sensor movements contributing to the measurement noise. Methods to suppress such noise from PPG signals measured by an oximeter and to calculate the associated vital signs with high accuracy even when the wearer …

Biomechanical And Psychophysical Underpinnings Of Balance Dysfunction In Individuals With Traumatic Brain Injury, Naphtaly Ehrenberg

Dissertations

Falls are a major burden on healthcare infrastructure, especially in older adults and even more so in older individuals that are living in institutions. According to data from the Centers for Disease Control and Prevention (CDC), from 2010 to 2020, unintentional falls were the leading cause of nonfatal emergency department visits for all age groups except among individuals from 15-24 years of age, where unintentional falls ranked a very close second to being unintentionally struck by or against. Among older individuals living in the community, approximately 30-35% fall at least once in a given year, and around three times as …

Cu/Bnx Catalysts For Electrocatalytic Reduction Of Nitrogen And Nitrate Waste, Siming Huo

Dissertations

Ammonia (NH₃) is one of the most important chemicals to the whole human society. The invention of the Haber-Bosch process enabled the industrial production of NH₃. However, owing to the high capital costs of the centralized plant and the equipment and the negative environmental impact, it is no longer suitable for today's needs of human development. As a result, there is an urgent need to investigate sustainable approaches for ammonia production. Among those reported studies, nitrogen reduction (NRR) and nitrate reduction reaction (NO₃RR) are considered applicable in the future. However, after decades of studying …