Digital Commons Network^™

An Integrated Data-Driven Framework For Arctic Shipping: Analyzing Vessel Speed, Environmental And Ecological Factors Through Innovative Statistical Spatio-Temporal Methods, Inverse Optimization And Machine Learning, Mauli Pant

Theses and Dissertations

This dissertation develops an integrated data-driven framework to analyze vessel navigation and ecological risk in the United States Arctic from 2010 to 2019. As environmental change and maritime activity increase in the region, understanding how vessels respond to dynamic conditions and how those responses interact with marine ecosystems has become increasingly important. A central theme of this dissertation is the treatment of vessel speed as both an observed outcome and a decision variable reflecting trade- offs among operational, environmental, and ecological factors. The first chapter develops a predictive framework for vessel speed over ground (SOG) using Gaussian Process Boosting (GPBoost), …

Student Centered Approaches To Analyzing Engagement And Discourse, Kamil Hankour

Theses and Dissertations

Student engagement and participation in classroom discourse are widely recognized as powerful predictors of meaningful science learning, yet students’ own perspectives on the factors that shape their engagement and participation are currently underexamined. Prior research has established strong links between engagement, discourse and outcomes such as academic achievement (Bae & DeBusk-Lane, 2019; Fredricks et al., 2004; Sedova et al., 2019), but less is known about how students understand and interpret their experiences across individual, group-level and classroom contexts, particularly within historically marginalized populations (Cook-Sather, 2013; Schaefer et al., 2024). This three paper dissertation advances a line of inquiry integrating a …

My Mouth Is A Glutton, My Mouth Is A Lover., Cole Kamerick Eller

Theses and Dissertations

This thesis is a reflection on my relationship with jewelry. I discuss the impact of jewelry

and its materials. What are the ramifications of these objects? Politically, socially, and

spiritually. I reflect on material agency, cultural unconscious, and value systems, and

how I relate to jewelry, my love for it, and my grief for it. This work is the result of ritual

and impulse. The writing is my reflection on the results of that ritual.

Tangled Up In Blues, Clara B. Deweese

Theses and Dissertations

Martin Buber’s philosophy teaches us that when our masks fall and our armor’s unveiled, we discover humanity shared. Tangled Up in Blues unpacks the snapshot photographic practice I’ve had for years, which documents my mutually uplifting relationships, and is presented for my thesis exhibit through a painterly technique that deconstructs and reconstructs  the images onto wood panels using laser transfer. As we navigate a distracted and fragmented society made of greed and bigotry, cherishing the deep connections and shared memories brings us optimism.

Sensory Constellations, Madaline K. Gardner

Theses and Dissertations

This thesis situates neurodiversity within the field of fine arts by integrating disability studies, institutional critique, and material practices in painting and printmaking. Through visual analysis and studio-based research, the project examines how tactile engagement, color relationships, and repetitive mark-making can articulate embodied experiences of neurodivergence. It challenges dominant institutional frameworks that pathologize neurodivergent behaviors by reframing stimming as a generative and communicative practice. The resulting body of work includes both image-making and the creation of tactile objects designed to facilitate sensory interaction. The thesis proposes alternative ways of understanding artistic practice and accessibility within art institutions.

All Other Ground Is Sinking Sand, Kevin Hopkins

Theses and Dissertations

My thesis project, All Other Ground Is Sinking Sand, is a body of work that frames soft sculpture as "prophetic charm" and collaborative performance as the ceremony that charges them. In this essay, I will explore the conceptual chronology of the charms, their connection to the notion of décalage, and their potential to compel witnesses toward the immediate liberation of queer, Black individuals.

With my research centered on the necessity of shifting cultural responses to enduring racial trauma, I focus my work on deconstructing Black hypermasculine archetypes shaped by white supremacy and unpacking the tension between individual autonomy and social …

Timing And Stability Of Uav Operations In Smart City Environments: Experimental Analysis And Design Implications, Rabia Ipek Yasar

Theses and Dissertations

This thesis investigates the deployment and performance of unmanned aerial vehicles (UAVs) within the Virginia Commonwealth University Open Cyber City (OCC) testbed. The study focuses on evaluating real-time indoor positioning performance using the Crazyflie drone platform. High-precision position measurements are obtained using the Vicon motion capture system, enabling analysis of the latency between the drone’s actual position and the system-reported position. In a closed-loop control system, the time difference between the position measurement and the application of the control command is called the system delay. Both stationary (hovering) and trajectory-following experiments are conducted to evaluate system performance. Communication delays in …

Examining Mental Healthcare Underutilization Among Latino Immigrants: Healthcare Providers’ And Community Health Workers' Perspectives, Geovani Muñoz

Theses and Dissertations

Latinos continue to experience many logistical and systemic barriers to professional mental health services (Derr, 2016) despite being the second-largest racial-ethnic group in the United States (U.S.). With a community of 65 million people (U.S. Census Bureau, 2024), Latinos experience mental healthcare inequalities (Cook et al., 2019) due to structural, cultural, and systemic barriers. Although prior research has emphasized culturally responsive care as a pathway to reducing disparities (Nagy et al., 2025), much of the literature has focused on Western medical models, with limited attention to community-based perspective. Guided by the Knowledge, Attitude, and Practices (KAP) framework, the present study …

The Transition From School To Work For Students With Emotional And Behavioral Disorders: Examining The Lived Experiences Of Students In Private Day Schools, Gabrielle S. Pickover

Theses and Dissertations

This qualitative phenomenological study examined the lived experiences of young adults with Emotional and Behavioral Disorders (EBD) as they transitioned from private day school settings into sustained employment. Guided by Schlossberg’s Transition Theory, the study explored participants’ perceptions of the barriers, supports, and strategies that shaped their transition experiences. Data were collected through twelve semi-structured interviews with six participants who maintained at least one year of continuous employment following high school. Analysis revealed four primary themes: structure as a stabilizing force, resilience developed through adversity, experiential learning as a pathway to employment, and employment as identity and independence. Findings suggest …

Comorbid Psychosis In The General Population, Mariam Sankoh

Theses and Dissertations

Psychosis is a complex psychiatric phenotype characterized by substantial heterogeneity in symptom presentation, psychosis diagnosis, comorbidity patterns, and genetic architecture across diverse populations in the general population. Despite advances in psychiatric epidemiology and genomics, important gaps remain in understanding how psychosis symptoms and psychosis-related diagnoses manifest across racial and ethnic groups and how evolutionary genomic factors may contribute to disease risk and cross-ancestry genetic prediction. This dissertation, Characterizing Comorbidity in Psychosis in the General Population, integrates epidemiological, psychometric, and evolutionary genetic approaches to examine psychosis across diverse populations.

Aim 1 examined racial and ethnic differences in psychosis comorbidity patterns …

Munajat: Design As A Dialogue With The Divine, Shawky Abdalla

Theses and Dissertations

Contemporary design discourse remains grounded in functional, seemingly user-centered paradigms, often neglecting what lies beyond the tangible within a human experience. This research challenges such frameworks by positioning design as a dialogue with what exceeds the physical, moving toward the experiential, where meaning precedes and informs form. Drawing on Islamic philosophy, particularly the relationship between zahir and batin (outward form and inward meaning), the study repositions design as a medium for remembrance (dhikr) rather than mere utility.

Through a critique of modernist and postmodernist principles, the research proposes a series of objects that engage with memory, introspection, and transcendence in …

Algorhythm: Commodification Of Hobbies On Social Media Platforms, Fariha Ahmed

Theses and Dissertations

Forcing the world online, the COVID-19 pandemic appeared to turn social-media-based hobbies into income-generating cash cows. Digital creative spaces became sites of capitalist logic where hobbyists came to operate as both laborers and commodities. Profit-focused algorithms operate imperceptibly, shaping creative behavior and decision-making in ways that are difficult to recognize, and even harder to resist. This thesis asks how algorithmic participation on platforms such as Instagram conditions a hobbyist, and how that conditioning can be made legible to audiences who inhabit such platforms without always seeing them. Using autoethnography, I position myself as both researcher and subject to document the …

From Cultural Binaries To Coexistence: A Graphic Autoethnography Of Individualism And Collectivism In An International Context, Shahad Alsubaie

Theses and Dissertations

This arts-based autoethnographic study investigates individualism and collectivism, specifically through my study-abroad experience traveling from Saudi Arabia to the United States. Through arts-based reflective practice, I depicted the diasporic experience of being ontoepistemologically collectivistic while navigating a primarily individualistic society. I use the medium of a graphic memoir to illustrate and develop frameworks of confluence that embrace the two distinct cultural orientations simultaneously. This arts-based self-study not only contributes to the body of transnational scholarship but also serves as a reference for international students, researchers, and educators to use arts-based subgenres and data analysis methods to gain better insights into …

Will You Let Me In?, Irene Piazza

Theses and Dissertations

Imposed borders are everywhere: The borders created by stanchions during bureaucratic lines, the borders of a country, the borders of a page. Humans are forced to follow them. Borders are imposed structures that dictate a way to move, a way to write, a way to be confined. But what happens when those borders aren’t followed? What happens when someone decides to walk through the stanchion belt by crouching under it or sliding its buckle open? What happens if a person decides to walk outside of the paved pathway? What happens if someone crosses a border or writes beyond the page …

Contours Of Duration: Movement Authored Through Form—A Behavior Archive, Jood Senussi Elbeshti

Theses and Dissertations

Insect anatomy offers an elegant example of motion derived from structure. Inspired by insect movement, Contours of Duration employs a cam-and-follower system consisting of moving, leg-like parts, designed to engage a series of rotating cams, such that the shape of each cam’s surface activates the legs in unique ways, generating repetitive movement, and demonstrating how geometry produces distinct motion behaviors over time. Through iterative experimentation and controlled variation, trace emerges as a central methodology, whereby movement, over time, creates a distinct pattern of marks, making motion legible and reflecting how subtle changes to surface and form generate different behavioral outcomes. …

Spell Of Forty Small Failings, Erin B. Ehren

Theses and Dissertations

Spell of Forty Small Failings is a collection of images and writings that draws from an unruly range of literary forms, academic disciplines, and religious cannons in order to address the Divine—all that which exists on account of the phenomena of what it is to see and be seen: to hear and be heard: to touch and be touched: to know and be known, and through that knowing proceed beyond mediation. I wrote this thesis for me in the hopes that all along I was writing for you.

24-H Circadian Rest-Activity Rhythms And Physical Frailty In Older Adults: A Biopsychosocial Perspective On Sex Differences And Social Capital, Jisu Kim

Theses and Dissertations

Physical frailty is a prevalent geriatric syndrome characterized by age-related decline across multiple physiological systems. Physical frailty is associated with an elevated risk of adverse health outcomes, including chronic disease progression and all-cause mortality, representing a significant and growing public health concern. Disrupted circadian rest-activity rhythms (RARs) are increasingly recognized as clinically meaningful markers of physical frailty in older adults. However, the extent to which biological sex and social determinants of health (SDoH), particularly social capital, contribute to or modify the associations between RARs and physical frailty remains underexplored.

Therefore, this dissertation summarizes the existing literature on age-related changes in …

Mediator: Ornament As A Visual Language Of The Transcendent, Selma Fejzullaj

Theses and Dissertations

Adolf Loos’s declaration that “ornament is a crime” defined modernist design, establishing a legacy that dismisses ornamentation as wasteful and regressive. This research questions that legacy by repositioning aesthetics as a divinely grounded value, inspired by the Qur’anic vision of Paradise. In this celestial realm, beauty is not wasteful but a manifestation of divine perfection. Conceptually, the project reclaims ornament as a vital tool for contemplating metaphysical themes. Materially, it reimagines glass, shifting it from modernist "radical honesty" to a medium of layered depth. Recombining traditional Islamic ornamentation practices such as Girih and Chaharbagh, the project evokes the Qur’anic vision …

Centering Individual Well-Being In Learning Environments: Academic Stress, Psychological Safety, And Digital Discourse, Rachel Niemira Namboodri

Theses and Dissertations

Statement of Problem

How do we guide students through school while supporting their emotional and psychological health? This question lies at the heart of contemporary educational psychology research, as growing evidence demonstrates that students’ academic achievement and psychological well-being are deeply intertwined with their experiences in learning environments (Baumeister & Leary, 1995; Edmondson & Lei, 2014; Gopalan & Brady, 2020; Song et al., 2024; Spencer, 1995; Walton & Cohen, 2011). Decades of scholarship affirm that students’ academic achievement and psychological well-being are deeply intertwined with how they experience schools, classrooms, peers, teachers, and institutional structures (Baumeister & Leary, 1995; Edmondson …

To Put It Simply, Men Are Like Kites., Yangyang Zhang

Theses and Dissertations

This thesis explores the performative professionalization of So-called “emotional mentors” on mainstream Chinese social media platforms, specifically Douyin (the Chinese version of TikTok). and its impact on the contemporary Chinese emotional landscape. Through a series of undercover investigations in livestreams, I analyze the rhetorical tactics and professional jargon used by these “Gurus” to attract and monetize vulnerable audiences.

The research highlights a critical paradox: while promising emotional clarity, these methods from “Love Gurus” often corrupt the sincerity of intimate bonds, resulting in significant emotional labor and self-doubt for Female. The project aims to demystify this predatory industry and its role …

Not Just Cheap Labor: A Critical Mixed Methods Assessment Of Working Learner Supervision To Advance Equitable Work-Integrated Learning, Jonathan D. Fuller

Theses and Dissertations

This study examines how supervisory relationships shape the quality of on-campus student employment (OCSE) as a work-integrated learning (WIL) experience, with particular attention to the experiences of working learners (i.e., student employees). Situated in response to growing student demand for meaningful, career-relevant work opportunities in college, the study investigates how universities can leverage existing OCSE roles to expand access to WIL. Using a mixed methods explanatory social justice design, the research integrates working learner responses (N = 478) to the Student Supervisor Support Measure with interviews of students and supervisors in relationships characterized as both supportive and cross-identity.

Survey …

"It's The People, Not The Place:" Queering Shared Space In Richmond, Virginia, Kathleen Brown

Theses and Dissertations

The intersection of queerness and planning is an understudied subject area that has implications for equity and access. Queer communities face real barriers to equitable access of resources that stem from a long history of legal, cultural, and economic marginalization. Experiences of shared spaces for queer groups and organizations is important to understand, as outward expressions of queerness are not always welcome in shared spaces, depending on sociopolitical context. Richmond, Virginia has a rich queer history both filled with challenges as well as examples of queer success and joy that makes it a prime case study selection.

This thesis utilizes …

The Mundo I Imagine, Angeliky Castrellon

Theses and Dissertations

My work investigates the human experience of belonging and how the force of displacement alters the perception of one's present and enables dissociation. After leaving my home and starting a new life overseas, coming back never felt the same; I couldn’t find peace and comfort anywhere. This made me create an imaginary world called “Mundo.” Shelters for the souls of the displaced, looking for comfort. As I became a graduate student in the Craft/Materials Studies department, my perspective widened, and my work itself answered a question for me: I want to be comfortable everywhere; how can my home be everywhere …

Loved Right: Encouraging The Responsible Adaptive Reuse Of Historic Buildings In The Information Age, Christie Chirinos

Theses and Dissertations

This research contributes to interior design scholarship by situating immersive virtual reality (VR) as an efficiency tool and an architectural visualization tool within adaptive reuse and historic preservation practice. Interior designers are increasingly tasked with mediating between cultural heritage, community stakeholders, regulatory constraints, and economic feasibility, in buildings that already exist. By positioning VR as a tool with utility across every stage of the design process, this study expands interior design research beyond material and spatial interventions to include storytelling and technological innovation as drivers for design decision-making. The work bridges interior design, preservation, and participatory planning, demonstrating how immersive …

Comparison Of Artificial Intelligence Vs Human Observer For Periapical Radiolucency Detection, Adam J. Pink

Theses and Dissertations

Objective: The aim of this study was to assess the performance of an Artificial Intelligence (AI) program (OverJet AI) with that of experienced endodontic residents, endodontists, a radiologist, and dental students in detecting periapical radiolucencies using radiographic images.

Methods: One hundred and fifty periapical radiographic images were analyzed using the OverJet AI software to determine the presence/absence of a periapical radiolucency as well as the size (small 1-3mm, medium 4-6mm, and large 6+mm). The unaltered images were also evaluated by two endodontic residents, two practicing endodontists, an oral radiologist and two 4th year dental students.

Results: Agreement between the AI …

Class-Aware Early-Exit Networks For Efficient And Secure Edge Deployment, Mohammed Ayyat

Theses and Dissertations

Edge devices increasingly run high-stakes machine learning workloads under strict latency, power, memory, and communication constraints. Deep neural networks provide the accuracy needed for tasks such as network intrusion detection, health monitoring, autonomous sensing, and human activity recognition, but conventional inference executes the same computational path for every input. Early-exit neural networks reduce average inference cost by allowing confident samples to terminate before the final layer. However, existing early-exit systems are largely class-agnostic: they allocate computation according to confidence or uncertainty, without considering that different output classes may carry different operational urgency. This dissertation develops class-aware early-exit inference, a framework …

Local Lung Delivery Of Ginkgetin For Therapeutic Intervention In Lung Fibrosis, Cimone L. Richardson

Theses and Dissertations

Lung fibrosis (LF) is a progressive, irreversible pathological condition in the lungs that is ultimately fatal. Current drug treatments (nintedanib, pirfenidone, and nerandomilast) slow disease progression but cause significant systemic adverse effects due to oral administration. Transient receptor potential vanilloid 4 (TRPV4), a mechanosensitive ion channel, may play a role in LF progression and represent a novel anti-LF target. Ginkgetin (GKT), a natural biflavonoid, is a potent TRPV4 inhibitor with anti-inflammatory and antioxidative properties. Local lung delivery could achieve high local lung concentrations while minimizing systemic exposure. Accordingly, this project evaluates GKT's therapeutic intervention efficacy in LF via local lung …

Partisan Local Media And Corporate Voluntary Disclosures: Evidence From Sinclair Acquisitions, Ming Li

Theses and Dissertations

I investigate the impact of local media’s political orientation on firms’ voluntary disclosure, exploiting the acquisitions of local TV stations by Sinclair Broadcast Group, a conservative media conglomerate. Drawing on the media bias theory and implementing a staggered difference‐in‐differences design, I find that the local partisan media affects management earnings forecasts. Specifically, Conservative-leaning CEOs in designated market areas (DMAs) affected by Sinclair’s acquisitions forecast more optimistically, increasing forecast frequency and inflating forecasted earnings. The impact is stronger if the DMAs are more Liberal-leaning before the acquisitions and when firms have weaker corporate governance. I also find that the stock market …

Managing Identity, Claiming Expertise, And Emotional Labor: A Constructivist Grounded Theory Of The Experience Of People With Serious Mental Illnesses In Primary Care, Jeffrey Ciak

Theses and Dissertations

People with serious mental illnesses (SMI) die 15 to 20 years before their peers without mental illness primarily due to chronic physical health conditions. Preventative care and treatment for chronic physical health conditions primarily occurs through primary care, but the experience of people with SMI in primary care is understudied. This constructivist grounded theory dissertation explored the experiences of people with SMI in primary care. Theoretical sampling resulted in 19 participants who were adults with SMI and long-term anti-psychotic use. Data was collected through one-to-two-hour long intensive interviews. The analytical process occurred concurrently with data collection. The abductive analytical process …

Empirical Dynamical Modeling Of Cortico-Hippocampal Information Transfer During Memory Encoding, Sam Y. Cole

Theses and Dissertations

Understanding how brain dynamics support successful memory formation remains a central challenge in neuroscience. This dissertation applies tools from empirical dynamical systems theory to investigate the neural mechanisms underlying episodic encoding, with a focus on cortico-hippocampal interactions. Using stereoelectroencephalography (sEEG) data recorded during a delayed free recall of word lists task, this work reveals nonlinear, state-dependent shifts in directed information flow between cortex and hippocampus that distinguish successful from unsuccessful encoding. To further characterize these dynamics, state-space trajectories are reconstructed using time-delay embedding and recurrence-based methods, and features derived from these trajectories are used to classify memory outcomes. By integrating …