Digital Commons Network^™

Exploring Intersectional Risks Of Substance Use Disorder, Mental Health, Hiv/Aids, And Hepatitis C Among Hispanic Adults On The Tx-Mx Border: A Mixed-Methods Study, Md Mohsin

Open Access Theses & Dissertations

Purpose: The purpose of this study was to explore intersectional risks of substance use disorders, mental health, HIV/AIDS, and HCV among Mexican-origin Hispanic adults on the Texas-Mexico border. Methods: The study employed an exploratory sequential mixed-methods approach, which involved collecting and analyzing qualitative data first, followed by quantitative data collection. Selected purposively, 15 in-depth interviews were conducted among the target population. Using convenient sampling, 106 cross-sectional surveys were conducted. Qualitative interview data were analyzed manually using thematic analysis. Quantitative data analyses included univariate descriptive analysis, bivariate, and multivariable penalized logistic regression, negative binomial, and zero-inflated negative binomial regression. Results: The …

Evaluating Large Language Models For Requirements Engineering And Verification: A Comparative Analysis Of Gpt-5 And Gemini 3 Pro, Guadalupe Nevarez

Open Access Theses & Dissertations

Large Language Models (LLMs) are increasingly viewed as viable tools for Systems Engineering, yet empirical data regarding their effectiveness in generating engineering-quality requirements remains limited. This thesis compares the performance of GPT-5 and Gemini 3 Pro in generating system functional requirements for the Miner Guardian Drone, a prototype UAV designed for minefield remediation. Both models were provided with identical prompts and tasked with producing 15 functional requirements. Two independent raters evaluated the outputs using a nine-dimensional quality rubric aligned with IEEE 29148 and INCOSE guidelines to ensure rigorous assessment. The difference between the models was analyzed using descriptive statistics and …

Expression And Purification Of Prohibitin Proteins And Investigation Of Their Interaction With Mycobacterium Tuberculosis’S Virulence Factors, Zeina Rhaim

Open Access Theses & Dissertations

Prohibitin (PHB) is a highly conserved mitochondrial protein involved in cell cycle regulation, apoptosis, mitochondrial integrity, macrophage activation, cytokine production and many other critical cell functions. The prohibitin complex, formed by Prohibitin-1 (PHB1) and Prohibitin-2 (PHB2), functions as a mitochondrial membrane-associated receptor. Cancer, neurodegenerative disorders, and renal conditions were found to be linked to an irregular PHB expression. Emerging evidence has also highlighted a significant role for PHB in tuberculosis (TB), particularly through its interactions with Mycobacterium tuberculosis (Mtb) virulence determinants. The molecular mechanisms by which PHB influences TB pathogenesis remain poorly understood. Our preliminary studies showed that PHB1 was …

‘The Weight That We Carry’: Using Photovoice To Uncover Student Parents’ Experiences In Higher Education, Maria Fatima Rodriguez Velasquez

Open Access Theses & Dissertations

Caregiving students carry identities that have historically been marginalized within academia and continue to face limited institutional awareness and support (Lovell, 2020; McCourt, 2018; Yates, 2022). This study analyzes the experiences of student parents at the University of Texas at El Paso (UTEP) to understand how they balance their family and academic responsibilities, the challenges they face, and the communities of support they find within their university experience. Using Photovoice as a method, 22 student parents shared photographs and the narratives behind each image that represented their daily lives inside and outside the classroom. The data analysis, guided by grounded …

Development And Optimization Of A Deep Level Transient Spectroscopy System, Samuel Ruiz

Open Access Theses & Dissertations

Deep-level transient spectroscopy (DLTS) remains one of the most widely used techniques for identifying electrically active defects that affect leakage current, carrier lifetime, and overall reliability in semiconductor devices. Legacy boxcar or capacitance meter implementations, however, often struggle with limited signal-to-noise ratio, labor-intensive data collection, and poor adaptability across diverse material systems. This thesis presents the design and optimization of a semi-automated, lock-in-amplifier-based DLTS platform. By pairing a Zurich HF2LI with PID-controlled cryogenic sweeps, precision signal generation, and MATLAB driven acquisition and processing scripts, the system will (i) enhance SNR through phase-sensitive detection, programmable low pass filtering, and parasitics calibration; …

Lorentz Invariance And Quantum Coordination: A Neo-Aristotelian Framework For Entanglement And Relativity, Angel Rafael Sosa Muniz

Open Access Theses & Dissertations

The phenomenon of quantum entanglement has been at the center of heated debates among physicists and philosophers since the dawn of the quantum era. The early discussions initiated by Einstein, Podolsky, and Rosen—regarding potential violations of the Principle of Relativity by entangled particles, expressed in the so-called “EPR Paradox”—ultimately culminated in the demonstration of Bell’s theorem and its violations. Since then, philosophers of science and physicists have developed multiple proposals attempting to account for the ontological status of quantum formalism and its possible tension with relativistic principles. This thesis contributes to these efforts by advancing a Neo-Aristotelian ontological framework inspired …

Voices At The Intersection: A Listening Guide Analysis Of Campus-Based Advocates Navigating Institutional Policies On Sexual Violence, Arely Zaragoza-Hernandez

Open Access Theses & Dissertations

Campus-based advocates occupy a critical yet complex position within higher education institutions (Nightingale, 2023; Wood et al., 2021), serving as frontline support for students while simultaneously navigating the mandates, policies, and bureaucratic structures that define their roles. This research study explores the lived experiences of advocates working in university settings, focusing on how institutional mandates from compliance requirements to administrative expectations shape, constrain, and sometimes empower their daily practices. Using a qualitative, phenomenological approach, the study centers the voices of campus-based advocates in Texas to illuminate the tensions between their professional commitments to student-centered care and the institutional imperatives of …

The Shifting Tectonics Of International Collaboration, James J. Casey Jr.

University of Dayton Law Review

This Article builds upon the author’s 2010 article in the University of Dayton Law Review. More specifically, this Article focuses on research management areas that have increased in relevance over the past fifteen years or are essentially “new” to the international research collaboration realm. Now, as then, the author writes about the importance of building international collaborations during this tectonic present and urges the reader to draw their own conclusions regarding international research, emerging issues and technologies, and their importance in the future.

An Old Vehicle With A Fresh Coat Of Paint: Demystifying Autonomous Smart Contracts In The Context Of U.C.C. § 2-202, Daniel Kennedy

University of Dayton Law Review

No abstract provided.

Welcome To The Bflr’S 7th Annual Fintech Issue, Nydia Remolina Leon, Alessio Azzuri, Virginia Torrie, Francisco Jose Ciancerta

Research Collection Yong Pung How School Of Law

This issue of the Banking and Finance Law Review is published at a moment of profound transformation in the FinTech regulatory landscape. Around the world, legislators, regulators, financial institutions, and scholars face the complex task of fostering technological innovation while addressing concerns over consumer and investor protection, data privacy and cybersecurity, market integrity, the prevention of financial crime, and overall stability of the financial system. At the same time, geopolitics is increasingly influencing the direction of FinTech policy and regulation, as states leverage financial infrastructure not only to modernize domestic markets but also to assert strategic influence globally. This convergence …

Data Center Composite Load Model Parameters’ Tuning, Mohammed Sleiman, Amirreza Sahami, Oluwatimilehin Adeosun, Nathaniel Rice, Katelyn Vance

Electrical and Computer Engineering Faculty Research & Creative Works

The vast expansion of data center campuses has created concentrated and highly dynamic electrical loads that challenge traditional transmission system planning and protection studies. This paper presents a novel approach to model the load of data centers and validate their dynamic performance in a composite-load-model (CMLD) framework.

The data center has three major modules: a static element representing the static devices and busway impedance; an electronic-based element constituting power converters such as rectifiers and inverters, associated power supplies, and a motor-based element encompassing the induction nature of chillers, fans and pumps. Each module represented equivalent algebraic and differential equations depicting …

Hardening The Economical Acquisition Of Intersection Data To Improve System Integrity, Anuska Das, Walt Fehr, Andrew Balmos, Mark Goodfriend, Yaguang Zhang, Richard O. Ajagu, James V. Krogmeier, Samuel Labi

Center for Connected and Automated Transportation

Modern traffic management systems increasingly depend on real-time Signal Phase and Timing (SPaT) data generated by Traffic Signal Controllers (TSCs) to support safety, mobility, and emerging connected-vehicle applications. The applications of SPaT outputs require timely and reliable access to such data from the traffic signal controllers. However, these controllers are safety-critical infrastructure and exposing them to external networks introduces significant cybersecurity and operational risks. Thus, there is a need for mechanisms that provide secure, low-latency access to SPaT data without compromising controller integrity. The information flow methods that are used traditionally for connected and automated vehicle (CAV) environments have several …

Tracing The Journey Of Dissolved Organic Matter: From Leaf Litter Photodegradation To Microbial Processing In Tropical Streams, Samantha Nicole Sullivan

Chemistry & Biochemistry Theses & Dissertations

Dissolved organic matter (DOM) is a major reservoir of organic carbon in aquatic ecosystems and plays a central role in global carbon cycling through its transformation and remineralization to carbon dioxide (CO₂). As DOM moves from terrestrial environments into streams and rivers, its chemical composition is altered by a combination of microbial and photochemical oxidation processes that regulate both its reactivity and its persistence during transport. However, the molecular mechanisms governing these oxidative transitions, particularly in tropical ecosystems characterized by strong hydrologic seasonality and substantial inputs of plant-derived material, remain insufficiently resolved. This dissertation integrates ultrahigh-resolution mass spectrometry, optical characterization, …

Policymaker Receptivity To Corporate Political Activity As Influenced By Activists, Mark E. Bateman

School of Public Service Theses & Dissertations

This dissertation considers the role of shareholder resolutions and employee strikes as representations of activist activities targeting corporations and their influence on corporate political activity (CPA). The study builds from the McDonnell and Werner (2016) study in Administrative Science Quarterly, “Blacklisted businesses: Social activists’ challenges and the disruption of corporate political activity” that assessed the role of consumer boycotts vis-à-vis CPA. Starting with the political marketplace framework, introducing the policy relationship framework, and using signal theory, the dissertation found some support that shareholder resolutions and employee strikes related to increases in PAC refunds, that temporal issue salience to the …

Effects Of Response-Independent Food Delivery During Timeout On Timeout Punishment, Haillie Mcdonough

All NMU Master's Theses

Timeout is a signaled, response-dependent, and time limited period in which the prevailing schedule of reinforcement is suspended. Timeouts are one of the most frequently used punishment procedures in clinical and parental practices. Even though timeout is a common punishment practice, recent research suggests that implementation errors, fidelity failures, occur at high rates in practice. The present study evaluated how failures in procedural fidelity alter the efficacy of timeout as a punisher by exposing rats to conditions in which response-independent reinforcers were delivered during timeout. During baseline conditions, no timeouts were delivered and rats’ lever-pressing produced food reinforcers according to …

Sciteuq: Toward Uncertainty-Aware Complex Scientific Table Data Extraction And Understanding, Kehinde Ajayi

Computer Science Theses & Dissertations

Scientific tables report critical research insights, data, and findings for scientific progress. Because Portable Document Format (PDF) is the de facto standard format for scientific paper publishing, there has been an emerging need for an automatic method to extract data from PDF files. A significant fraction of scientific tables exhibit complex structure and content, making it challenging for machine learning tools to accurately extract the content directly from PDF files. Despite the advancements in Table Structure Recognition (TSR), automated extraction of data from complex scientific tables remains a challenge due to variations in table structures and contents. In this dissertation, …

Proactive Onboarding Services Model As An Academic And Social Integration Strategy For First-Time In College Students At A Virginia Community College, Jhansi V. Eturu

Educational Leadership & Workforce Development Theses & Dissertations

A recent survey by the Education Advisory Board (EAB) found that of the 1000 community college students surveyed, 56% nearly quit before classes started due to challenges during college onboarding. Similarly, admissions data from the Virginia Community Colleges System (VCCS) indicated that more than half of the students who apply do not enroll in classes, highlighting a need to closely examine the onboarding process and support services provided to understand what is effective and what is not. The purpose of this study is to understand the predictive utility of certain student onboarding services, such as an appointment with an admissions …

The Paradox Of Discipline: Equity, Standardization, And Black Student Outcomes In Public Schools, Latricia T. Davenport

Educational Leadership & Workforce Development Theses & Dissertations

Despite efforts to address profound discipline disparities impacting Black students, the implementation of alternative disciplinary approaches like Positive Behavioral Interventions and Supports (PBIS) and Restorative Justice (RJ) has failed to eliminate significant disproportionality in school discipline. This study investigates how teachers navigate the challenges of disciplining Black students within a paradoxical school environment that juxtaposes equitable, human-centered methods with a historically rooted managerial paradigm emphasizing uniformity and zero tolerance. Drawing upon systemic racism and the concept of 'apprenticeship of observation,' this study explores how teachers' implicit biases about Black students are formed by long-held institutional norms and personal experiences. It …

Un-Tempering The Tempered Radical: A Phenomenological Study Of Black Female Superintendents In Neoliberal Education Systems, Melanie Fitzgerald Daniel

Educational Leadership & Workforce Development Theses & Dissertations

The persistent and severe underrepresentation of Black women in K-12 educational leadership (just 1.4% of superintendencies) is a critical manifestation of Epistemic Injustice (Fricker, 2007) and the Architecture of Hostility. Dominant managerial paradigms in education structurally suppress the voices and devalue the expertise of Black women, leading to both testimonial injustice (credibility deficits) and hermeneutical injustice (misinterpretation of experience). This context forces them to pursue advancement within systems fundamentally structured to exclude them. This phenomenological study utilizes a nested theoretical framework, comprising Neoliberalism (macro-context), Epistemic Injustice (meso-critique), and Tempered Radicalism (Meyerson & Scully, 1995; Ngunjiri, 2012) (micro-agency), to illuminate the …

Research To Practice Gap: Impact Of Principal Perceptions & Communication On Change Initiatives, Jennifer Sagendorf

Educational Leadership & Workforce Development Theses & Dissertations

The purpose of this study is to examine the experiences, perceptions, and practices of school principals related to evidence-based change initiatives and the continued divide between the findings of educational researchers and the use of these findings by school practitioners. Since the prevalent dichotomy of theory and practice is detrimental to school improvement efforts, it is important to examine the underlying values and beliefs that contribute to perpetuating this divide. For this qualitative phenomenological study, semi-structured interviews with seven elementary school principals provided first-hand accounts of the principals' lived experiences. Through an iterative process of coding, clustering, and cross-case analysis, …

A Voice To Remember: Recovering The Rhetoric Of Mordecai Wyatt Johnson, Diana Lynne Nogay

English Theses & Dissertations

This dissertation will recover Mordecai Johnson's rhetoric to demonstrate how he addressed the political issues of his time, which were often related to race, and were frequently reduced or even forgotten. In this dissertation, titled “A Voice to Remember: Recovering the Rhetoric of Mordecai Wyatt Johnson,” I perform and analyze the rhetoric associated with him. Johnson was well known for being the president of Howard University; the goal of this project is to recover the rhetoric and identify the common themes. The two themes identified in Johnson’s rhetoric are religion and education. Personal traits and associations with religion are traced …

Schema, Stigma, And The “We-Them” Divide: Perspectives On Ageism From Everyday Life To Healthcare, Temple D. West

English Theses & Dissertations

Ageism remains a pervasive and often underexamined form of discrimination, affecting older adults across both everyday and clinical contexts. This paper explores how cognitive schemas—mental frameworks that shape perception and experience—and stigma interact to reinforce a “we–them” divide between and older patients and healthcare providers, as well as between older and younger individuals in broader society. Through focus groups and listening to the voices of older patients, this study examines how assumptions of age-based decline are embedded in society and inform schemas of ageism. It considers how those schemas shape the spoiled identity of older people as a stigmatized group, …

Who Gets To Lead? Policy, Systemic Barriers, And Leadership Norms In Education, Kathryn A. Cirilli

Educational Leadership & Workforce Development Theses & Dissertations

This phenomenological qualitative study investigated the underrepresentation of women and racially marginalized individuals in the superintendent position, the highest leadership position within K-12 public education. The superintendent position has been overwhelmingly represented by males, even though women were the majority of the teaching workforce. Grounded by institutional theory and viewed through a phenomenological lens, I examined how organizational norms, hiring practices, and access to mentorship contributed to and upheld systemic barriers to the superintendent position. Through exploring the interpreted lived experiences of current female superintendents across public school districts that reflected the national patterns, this research addressed the disparities in …

Taming The Wicked Problem: Transparency, Civic Apathy, And The Challenge Of Rebuilding Trust In Local Government, Austin N. Kaiser

School of Public Service Theses & Dissertations

Since the 1960s, the United States has experienced a persistent decline in public trust in government. The Founders believed that government could only function with the consent of the governed, making this erosion of trust a significant concern for democratic legitimacy. In response, many scholars and practitioners have championed transparency as a pillar of sound governance and a potential remedy for rebuilding trust. However, the solution may not be as simple as improving openness. Public officials increasingly recognize that transparency alone may have limited or even unintended consequences, especially when public participation is low or administrative resources are strained.

This …

Understanding Executive Order 13583’S Impact To Federal Workforce Diversity & Employee Perception Of Federal Policies And Programs, Michael Robert Arenella

School of Public Service Theses & Dissertations

Creating a more diverse, equitable, and inclusive (DE&I) workforce produces beneficial organizational outcomes, such as decreased turnover, improved creativity and innovation, and improved organizational performance (Diaz-Garcia et al., 2013; Gomez & Bernet, 2019; McLeod et al., 1996; Singh & Selvarjan, 2013). While the private sector has placed much emphasis on improving DE&I in their hiring practices, whether the federal government has achieved comparable outcomes remains unclear. Guided by the punctuated equilibrium theory (PET), this dissertation examines the impact of Executive Order 13583 on both change in workforce composition, and employee sentiment towards diversity policies and programs.

Using a multi-level, multi-method, …

News From Hope College, Volume 57.2: Winter 2025, Hope College

News from Hope College

No abstract provided.

Bundled For The Beyond: Material Analysis Of A Canine Mummy Bundle For Contextualizing And Conserving Legacy Objects, Sascha Anna-Rose Baldauf

Undergraduate Honors Capstone Projects

Legacy collections¹ and objects with little context are often untapped opportunities for both museums and museum studies students. The purpose of this study is to display how students can utilize object research to engage in experiential learning and develop their skillset in scientific methodologies and disseminating findings, while also offering museums the opportunity to develop relationships with research facilities and benefit from student research findings. This study demonstrates the utility of student research by investigating an Egyptian canid mummy bundle, dating to the Late Period² or early Ptolemaic Period³, received by the Museum of Anthropology at …

Enhancing Pediatric Sun Safety: A Parent-Focused Intervention In El Dorado County, Ashley Riley, Calvin Nauer, Alaina Godwin

ELMSN E-Portfolio. A collection of Scholarly and Creative Works

Background:

Childhood ultraviolet (UV) exposure is the most significant modifiable risk factor for skin cancer, yet proper sun protection remains inconsistently practiced by parents. In El Dorado County, California, where high altitude and intense sun exposure amplify UV risk, knowledge gaps and misinformation persist despite resource availability. This quality improvement (QI) project aimed to strengthen parental knowledge, confidence, and modeling of sun-safe behaviors for their children through an evidence-based community education program.

Aim:
The goal of this QI initiative was to improve parental attitudes, self-efficacy, and photoprotective behaviors by implementing a three-part, nursing-led educational intervention focused on UV risk awareness, …

Does Investing In Schools Reduce Violent Crime?, Jamein Cunningham, Monique E. Davis, Kenneth Whaley

Presentations

No abstract provided.

Income Inequality And Self-Reported Health: A Difference-In-Differences Study, Kola Adegoke

Health & Biomedical Sciences Faculty Publications

Background: Health disparities in the United States (US) are closely linked to income inequality. While many studies have reported associations between income and health, causal evidence remains limited.

Objective: To estimate the causal effect of income-equalizing state policies, such as minimum wage increases, Medicaid expansion, and Earned Income Tax Credit (EITC) adjustments, on adult self-rated health using a difference-in-differences (DiD) framework.

Methods: Using the Centers for Disease Control and Prevention (CDC) Behavioral Risk Factor Surveillance System (BRFSS) data from 2018 to 2023, a 2-way fixed-effects DiD model was employed to compare changes in the proportion of adults reporting fair or …