Digital Commons Network^™

Fostering Connection And Empowerment: Amplifying Women’S And Indigenous Voices Through Place-Based Education, Inclusive Narratives, And Empathy Building, Paige N. Jones

Dissertations

The diverse experiences, perspectives, and identities of people across groups shape history. Educators and heritage professionals bear the responsibility of teaching historical content in ways that ensure all feel represented, valued, and safe. Despite these aims, the experiences and contributions of women and Indigenous Peoples have long been underrepresented in social studies curricula and heritage programming.

This dissertation integrates two complementary studies that examine how harnessing the power of place and centering the narratives and oral histories of underrepresented groups can advance connection and empowerment through educational experiences. The first study utilized focus group interviews with educators and heritage professionals …

Patriarchal Logics In Entrepreneurial Ecosystems And Outcomes For Female Entrepreneurs, Alexandria Krause Matlack

Dissertations

This dissertation examines how patriarchal logics shape the efficiency of funding for female entrepreneurs by comparing two U.S. entrepreneurial ecosystems (EEs) within the same state: Kansas City and St. Louis. Although these EEs are geographically proximate and structurally comparable, St. Louis has nearly twice as many women-led ventures as Kansas City receiving institutional capital. Drawing on 31 semi-structured interviews, the study includes 20 entrepreneurs, 11 from Kansas City (5 women, 6 men) and 9 from St. Louis (4 women, 5 men), of whom are CEOs of startups founded between 2014 and 2022 and recipients of institutional funding (e.g., grants, angel, …

The Psychology Of Telework, Emily K. Lane

Dissertations

The growth of telework has reshaped the modern workplace, changing how employees experience connection, fairness, and satisfaction. This dissertation examined the psychological dynamics of teleworking by exploring how the extent of remote work influences job satisfaction through feelings of professional isolation. It also investigated how perceptions of procedural, informational, and interpersonal justice, as well as employee choice and telework normativeness, shape these relationships. Grounded in organizational justice theory (Colquitt, 2001), the study used a two-wave, pseudo-cross-sectional survey of 506 teleworkers. Results indicated that professional isolation did not mediate the relationship between telework extent and job satisfaction when fairness perceptions were …

Understanding The Lived Experience Of Mental Health Following An Alpha-Gal Syndrome Diagnosis: A Phenomenological Study Grounded In Maslow’S Hierarchy Of Needs, Heather L. Hargis

Dissertations

Alpha-gal syndrome is a tick-borne food allergy that triggers delayed allergic reactions to mammalian products and profoundly alters daily life. While growing research examines the physiological aspects of alpha-gal syndrome, little is known about its psychological impact. This phenomenological study explored the lived experiences of individuals with alpha-gal syndrome to understand how the condition influences mental health through the lens of Maslow’s Hierarchy of Needs. Data was collected through semi-structured virtual interviews with adults medically diagnosed with alpha-gal syndrome. Thematic analysis revealed significant challenges in meeting Maslow’s lower-tier needs—physiological, safety, and love/belonging—due to dietary restrictions, medical uncertainty, social isolation, and …

Building Bridges: Co-Producing Philanthropic Public-Private Partnerships For The United States National Park System, Jason S. Northern

Dissertations

The sustainability of America's National Park System increasingly relies on public–private partnerships that leverage private philanthropy. While the National Park Foundation provides national support, local Park Partner nonprofit organizations, like the Gateway Arch Park Foundation, are key to community-level fundraising and advocacy. This qualitative study of the St. Louis Arch grounds renovation examines how this public–private partnership structure influences donor motivation, trust, and engagement. Guided by Social Exchange Theory and Resource Dependency Theory, this research explores the relational and structural dynamics of this philanthropic co-production including reciprocal donor motivations and interdependence among public, private, and nonprofit partners. Fifteen semi-structured interviews …

Impact Of Video Laryngoscopy On Pediatric And Neonatal Transport Intubation Success, Brooke A. Shahriary

Dissertations

Abstract

Problem: Airway management is the primary intervention for halting clinical decompensation in pediatric and neonatal patients. In cases where patients require invasive support, endotracheal intubation (ETI) is the preferred method of airway securement. Unfortunately, ETI is a challenging skill to develop, especially when caring for children and infants, resulting in increased rates of failed ETI attempts which can result in worse outcomes. ETI success rates in the population of interest have fallen in recent years, nationally and among the clinicians in this project. The institution established a goal for first pass success (FPS) and video laryngoscope (VL) was introduced …

The Impact Of Teachers' Mathematics Qualifications On Student Proficiency, Riaz H. Zaidi

Dissertations

Schools across the United States face persistent challenges in strengthening mathematics and science education. The present study investigates the relationship between mathematics teachers’ qualifications and their students’ performance on standardized assessments, using data from a Midwestern urban school district’s ACT mathematics scores. Findings are discussed within the broader context of Science, Technology, Engineering, and Mathematics (STEM) education and national efforts to enhance competitiveness among industrialized nations. Despite the presence of leading universities and colleges, U.S. students continue to rank near the middle internationally in math and science achievement, according to the Pew Research Center. Contributing factors include disparities in teacher …

Trailblazing Pathways: Personal Traits Fueling Success For Underrepresented Minority Entrepreneurs, Rebecca P. Wilson

Dissertations

This study examines how entrepreneurial personality traits influence business outcomes among underrepresented minority entrepreneurs in the United States. Specifically, it investigates the effects of entrepreneurial self-efficacy, locus of control, risk tolerance, and extraversion on entrepreneurial performance, as well as the moderating role of grit and the mediating role of business networking. Although underrepresented minority entrepreneurs contribute significantly to innovation and economic growth, they continue to face persistent barriers, including limited access to capital, mentorship, and supportive entrepreneurial ecosystems. Guided by Trait Theory of Entrepreneurship and Social Cognitive Theory, this study employed a quantitative, cross-sectional survey design with embedded open-ended questions …

The Effects Of Learning Environment Resources And Psycap On Student Burnout And Outcomes, Elisandra Rodriguez Moreno

Dissertations

This study examined links between learning environmental resources (i.e., social support and feedback environment), burnout, and student outcomes (i.e., satisfaction and academic performance) among 198 graduate healthcare students. The study also investigated whether Psychological Capital (PsyCap) moderated these relationships. Social support and feedback did not predict overall burnout, but both were significantly linked to the burnout dimensions, specifically: emotional exhaustion, depersonalization, and academic efficacy. PsyCap did not moderate most relationships, yet it was consistently associated with lower levels of burnout and higher satisfaction. One exception emerged—for social support and depersonalization, PsyCap served as a compensatory resource, where students with lower …

An Exploration Of Sleep Experiences Among Family Caregivers Of Older Adults With Alzheimer’S And Related Diseases, Caroline Bollettiero

Dissertations

As we age our sleep experiences decline in quality and our sleep disturbances increase with chances of full effective sleep diminishing. Older adults do not sleep as well as younger adults, with many older adults lacking an effective circadian rhythm. This lack of a proper circadian rhythm has been known to affect cognition and cause an increase in memory impairment. For older adults (OA) with Alzheimer’s and related disorders (AD) poor sleep affects not only their memory impairment and cognition but often impacts family caregivers (FGCs) sleep experiences. FCGs of community dwelling OA with AD are faced with a variety …

Assessing The Role Of Social Media As A Complementary Source In Pharmacovigilance: Insights From Faers, X (Formerly Twitter), And Askapatient Data Across Multiple Drug Classes, Nwanneka Okere

Dissertations

Background: Adverse drug reactions (ADRs) pose significant public health challenges yet remain substantially underreported in traditional pharmacovigilance systems. Social media platforms and patient-reported outcome forums have emerged as potential complementary sources for capturing real-time patient experiences with medications, but their integration with established surveillance systems remains underexplored.

Purpose: This study examined ADR reporting patterns across FDA Adverse Event Reporting System (FAERS), X (formerly Twitter), and Askapatient to evaluate whether patient-generated digital data can complement traditional pharmacovigilance systems for enhanced drug safety monitoring.

Methods: An explanatory sequential mixed-methods design analyzed 107,753 reports representing 289,740 individual ADR occurrences for …

An Empirical Examination Of Humble Leadership And Employee Career Adaptability, Elizabeth Michelle Murray

Dissertations

This study examined the mediating role of leader-member exchange (LMX) and mentoring in the relationship between leader-expressed humility and employee career adaptability, and the moderating impact of an internal talent mobility program (ITM). The theoretical basis for the research was social learning theory and social exchange theory. Data were collected from employees across multiple organizations in the U.S. Results showed that leader-expressed humility was positively related to LMX, which in turn enhanced mentoring, and mentoring was positively associated with employee career adaptability. The moderating effect of ITM on the mentoring-employee career adaptability relationship was significant, suggesting that a comprehensive internal …

Evolution Of A New Strategic Orientation In The Ai Era: Exploring The Determinants Of Ai Orientation, Sreelakshmy Geethakumari

Dissertations

The field of AI has undergone significant evolution over the past few decades. While AI is heralded as one of the most transformative technologies, scholars caution that its strategic impact may still not be fully realized. Given the strategic importance of AI in today's firms, it is essential to consider AI as a strategic orientation and understand its determinants in detail. Our study examines AI Orientation, defined as a firm's deliberate application of AI technologies to achieve its strategic objectives. Drawing on multiple theoretical perspectives, this study investigates the determinants that shape a firm’s AI orientation. This study employs a …

Enhancing Early Sepsis Detection: Outcomes Of An Educational Program In An Emergency Department, Courtney Mettes

Dissertations

Systemic inflammatory response syndrome progressing to sepsis presents a significant challenge in emergency departments (ED), where delayed recognition and treatment increase morbidity, mortality, and costs. This project evaluated whether implementing the Evaluation for Severe Sepsis Screening Tool (SSST) alongside an existing sepsis best practice advisory (BPA) could reduce the interval from sepsis BPA alert to initiation of lab work and treatment in adult patients (18 years and older). A quasi-experimental design compared retrospective control data (n = 81, Group 1) with prospective project data (n = 34, Group 2) over eight weeks. ED nursing staff received specific education on …

Increasing Pediatric Hpv Vaccination Rates, Brooke A. Nicholas

Dissertations

Increasing Pediatric HPV Vaccination Rates

Abstract

Problem: The human papillomavirus (HPV) is a sexually transmitted infection that affects more than 80% of the population within the United States (Eisenhauer et al., 2020). HPV can develop into cervical, anogenital, and oropharyngeal cancers (Eisenhauer et al., 2020). About 4,000 individuals die from cervical cancer alone each year (O’Leary, 2022). The HPV vaccine, though recommended by the ACIP and AAP, is below national vaccination rates in comparison to other vaccines (O’Leary, 2022).

Methods: This quality improvement project is a non-randomized controlled trial that observed HPV vaccine dose completion rates for patients aged 9-14 …

Problems In Extremal Graph Theory And Spectral Graph Theory, Fareeha Jamal

Dissertations

Spectral graph theory is a subfield of algebraic graph theory that studies the matrices associated with graphs. It lives at the nexus of Linear Algebra and Combinatorics. Many intriguing results in the domains of Matrix Theory and Combinatorics have come from studying the eigenvalues of graph matrices; in fact, several open problems in both areas have been resolved. Beyond its theoretical appeal, spectral graph theory has found meaningful applications in theoretical chemistry, particularly in the mathematical classification of chemical graphs. These classifications underpin quantitative structure–property relationships (QSPRs), facilitating the prediction of physicochemical properties such as enthalpy of vaporization, molar refractivity, …

Pharmacogenomics Of Statin Therapy In The Uae: Genetic Predictors Of Adverse Effects, Treatment Discontinuation, And Feasibility For Clinical Implementation In A Multiethnic Population, Mais Noman Al Qasrawi

Dissertations

Statins are among the most widely prescribed medications for the prevention and treatment of cardiovascular disease (CVD), yet their use is frequently complicated by adverse drug reactions (ADRs) such as statin-associated muscle symptoms (SAMS) and liver enzyme elevations. These ADRs often lead to premature discontinuation and non-adherence, ultimately limiting the full therapeutic potential of lipid-lowering therapies. Pharmacogenomic (PGx) testing has emerged as a promising strategy to personalize statin treatment, particularly by identifying genetic variants that influence statin metabolism, transport, and toxicity. Although key PGx biomarkers such as SLCO1B1, ABCG2, and CYP2C9 have been studied extensively in global populations, their relevance …

Development And Characterization Of Sustainable Aluminum Metal Matrix Composites With Date Palm Agro-Residues As Reinforcement, Ansar Kareem

Dissertations

Aluminum Matrix Composites (AMCs) are extensively used in various industrial applications owing to their exceptional mechanical, material, and tribological properties. This led to the development of AMCs with every possible aluminum alloy as matrix, incorporated with various reinforcement materials to achieve desired material properties. There has been an increasing trend in the utilization of agricultural and industrial waste products as reinforcement material in AMCs. Date palm trees produce huge quantity of agricultural waste in different forms. Usually, these wastes are burned or disposed of in landfills which cause environmental pollution. Date palm agro-wastes can be incinerated to produce date palm …

Exploring The Impact Of Faculty–Student Interactions Outside The Classroom On The Sense Of Belonging, Engagement, Self-Confidence, And Retention Among Undergraduates In Uae Federal Universities, Mona Malalla Alhammadi

Dissertations

The purpose of this study was to examine the ability of Faculty-Student Interaction (FSI) in influencing students' social and academic outcomes and success. In particular, this study sought to investigate the impact of the informal interactions between faculty members and their students outside the classroom on four student outcomes: Sense of Belonging (SB), Engagement (EG), Self-confidence (SC), and Retention (RT). The participants were 570 undergraduate students who were at their first- and second-year of study from three different UAE federal higher education institutions. The study employed quantitative research design while utilizing an online survey as the main data collection instrument. …

Virtual Reality In Esl Teaching And Learning In A Hybrid Learning Environment In The United Arab Emirates, Basma Abdulla Abri

Dissertations

This study examines the impact of Virtual Reality (VR) on the oral proficiency of EFL learners in the UAE context, with exploring the instructors and students’ perspectives on using VR as a language learning tool. The study involved 44 Emirati higher education students enrolled in an English Communications Program divided into a control group using traditional methods, and an experimental group using VR tools for communicative activities. Data collection employed mixed-methods research through questionnaire surveys involving college students and interviews with EFL instructors over a ten-week period. According to the findings, the experimental group demonstrated higher oral proficiency than the …

Rehabilitation Of Reinforced Concrete Columns Pre-Damaged By Corrosion Using Advanced Composite Materials, Feras Farid Abu Obaida

Dissertations

Reinforced concrete (RC) columns exposed to aggressive environments are highly susceptible to corrosion-induced deterioration, resulting in significant reductions in load-carrying capacity. This research investigates the structural performance of RC circular short columns with varying levels of corrosion damage and evaluates the effectiveness of two composite-based repair techniques, namely carbon fabric-reinforced cementitious matrix (C-FRCM) and carbon fiber-reinforced polymer (C-FRP) composites, combined with concrete cover replacement. The study aims to establish these methods as practical solutions for rehabilitating corrosion-damaged columns under concentric and eccentric loading conditions. The experimental program included 30 RC column specimens tested in two phases. Phase I involved thirteen …

How Do Emirati University Students Develop Their Academic Biliteracy? A Mixed-Method Study, Eman Kamel Rababa

Dissertations

Framed by Hornberger’s continua of biliteracy model, this study investigated the developmental dynamics of academic biliteracy among Emirati university students. The research employed a sequential mixed-methods design, conducted across three public universities in the UAE. In the initial qualitative phase, interview data were collected from 30 students. Informed by these findings and the extant literature, a quantitative survey was then developed and administered to a sample of 299 students from various disciplines. The qualitative data were analyzed using reflexive thematic analysis, while the quantitative data were examined using advanced statistical analyses, including structural equation modeling. Three primary themes emerged from …

Domestic Inter-Sectorial Network Topological Evolution And Industrial Policy: A Comprehensive Network Analysis, Mahanad Ali Al Sabahi

Dissertations

While controversial, industrial policy propose a compelling argument for the government role in stimulating economic growth. The “new industrial policy” approach proposes a shift from a “Why” to “How” should industrial policy be implemented. Building upon this, in line with the increased utilization of network theory in economic research, this research examines network analysis as an econometric diagnostic tool asking, “How network analysis could be utilized in understanding the domestic economy and designing industrial policy?”. The study utilizes country input-output tables to calculate centrality measures corresponding to different connectivity concepts, and explore the dependency between domestic industries. The research demonstrated …

Trustworthy Federated Learning Framework For Secure, Efficient, And Quality-Aware Distributed Ai, Asadullah Tariq

Dissertations

Federated Learning (FL) emerged as a significant advancement in the field of Artificial Intelligence (AI), enabling collaborative model training across distributed devices while maintaining data privacy. As the importance of FL and its application in various areas increased, addressing trustworthiness issues in its various aspects became crucial. In the FL process, clients contribute updates computed on their local datasets, which the server aggregates to iteratively refine the global model. However, not all client data may be relevant to the learning objective, and incorporating updates from irrelevant data can harm the model's performance. The selection of training samples significantly impacts model …

Institutional Belonging And College Success In A Neoliberal Environment, Alicia C. Figueroa

Dissertations

As higher education evolves in response to various pressures, adult learner graduate students, particularly women who are mothers, find themselves navigating a complex landscape shaped by neoliberal ideals of belonging. This research aimed to explore the multifaceted notions of belonging within a neoliberal environment and provide insight into a growing sector of this college student population. The project sought to illuminate the unique experiences of female adult learner graduate students, especially mothers, as they increasingly return to college post-COVID-19. Employing a qualitative phenomenological research design, this study gathered diverse narratives from this sub-population. The methodology utilized purposeful sampling for semi-structured …

Client And Clinician Priorities For Same-Day Prep And Doxy-Pep Awareness, Uptake, And Persistence In Primary Care, Nathaniel Albright

Dissertations

Approximately 70% of all new human immunodeficiency virus (HIV) infections are among populations of sexual and gender minorities (SGM) and are primarily attributable to sexual contact. Currently, only 26% of the U.S. population who would benefit from HIV preexposure prophylaxis (PrEP) are prescribed this effective biomedical HIV prevention strategy. Biomedical prevention strategies for bacterial sexually transmitted infections (STI) like doxycycline postexposure prophylaxis (doxy-PEP), are a vital component to the successes of ending the HIV epidemic given the well-known association between STIs and risk for HIV infection. In this multiple methods study, we leveraged group concept mapping and conducted focus groups …

Regional Lending Market Structures And Cross-Class Social Capital’S Impact On Small Business Outcomes In The United States, Karl Guenther

Dissertations

This study examines whether regional lending market structures—specifically, the availability of capital from local credit unions—affects the success of small businesses in U.S. metropolitan areas. It investigates whether greater local credit union market share of lending capacity improves small business outcomes and whether this relationship is moderated by levels of economic connectedness, a form of cross-class social capital. The analysis further explores whether these moderating effects are especially pronounced for Black-owned small businesses. The study focuses on business outcomes in regions in 2021. Regression models are estimated using cross-sectional data from across 135, 301, and 375 metropolitan statistical areas based …

Exploring The Experience Of Nursing Students During Their Community Health Nursing Clinical Placement At Schools, Lina Ghosn Nouwayhed

Dissertations

Community health nursing is an exciting, challenging, and evolving field that creatively integrates various areas of nursing practice with public health knowledge (Stanhope & Lancaster, 2016). Learning in practical settings is invaluable for student nurses; that is why clinical placements account for 50% of nursing curriculum requirements (Henderson, 2011). At Makassed University of Beirut, the community nursing practicum takes place in schools, with school nurses serving as mentors during these placements.

This research study aims to:

• Explore the experiences of student nurses during community clinical practice.
• Develop guidelines to enhance learning during community clinical practice.

The study sample consisted of …

Exploring The Relationships Between Childhood Emotional Neglect, Attachment, Perfectionism, And Adult Mental Health Struggles Across The Socioeconomic Spectrum, Jordan Biedrzycki

Dissertations

This mixed-methods, cross-sectional study investigated the associations between childhood emotional neglect, perfectionism, attachment insecurity, and internalizing symptoms (depression and anxiety) among adults from varying socioeconomic (SES) backgrounds. Participants (N = 210) aged 18 years or older completed five validated self-report instruments for the quantitative analyses and answered two optional open-ended questions that yielded qualitative data. Data from the self-report measures were analyzed using independent samples t-tests, linear regressions, and moderation analyses conducted with the PROCESS macro. Three hypotheses were tested in this study. First, participants from high-SES backgrounds reported experiencing emotional neglect more frequently than other maltreatment subtypes (t = …

Analyzing Sea Level Rise Scenarios Impact On The Mobility, Infrastructures, Environment Of Abu Dhabi And Defining Solutions By Creating A Digital Twin Using Gis And Game Engine, Justine Sylviane Lucie Sarrau

Dissertations

This dissertation investigates the potential impact of future sea level rise (SLR) scenarios on the city of Abu Dhabi. With climate change, many coastal towns are at risk of experiencing this type of natural hazard. Currently, no precise scenario simulations have been developed, mainly due to the use of low spatial resolution elevation data. Additionally, the difficulty in understanding the real impacts persists when analyses rely solely on traditional cartography and GIS methods. This dissertation aims to advance the field by offering a new approach, which involves creating a comprehensive dynamic 3D simulation with dynamic flowing water. This model, defined …