Digital Commons Network^™

Personality Predictors Of Cybersecurity Vulnerability: Insights From Self-Reports And Stimulated Threat Scenarios, Saroja Roy Grandhi

Psychology Theses & Dissertations

In this cyber dependent and enabled era, understanding the role of human factors in digital security is essential. This study investigates the relationship between Big-Five personality traits and cybersecurity behaviors by examining both self-reported and stimulated behaviors in security threat scenarios. Participants completed validated questionnaires to report their personality traits, cybersecurity practices and engage in task-based stimulations to capture behaviors such as phishing detection, password creation, and response to security alerts. The study tested whether higher conscientiousness, openness, and agreeableness would be associated with stronger cybersecurity practices and smaller discrepancies between self-reported and observed behaviors. And, whether greater extraversion and …

Early Parenting Stress And Later Abuse Risk: Dyadic Mediation By Maternal And Paternal Negative Attributions, Jewelian N. Fairchild

Psychology Theses & Dissertations

Parenting stress and negative parental attributions are key contributors to child abuse risk. Early parenting stress may increase a parent’s risk of negatively appraising their child’s behaviors, which, in turn, may influence their likelihood of harsh or abusive parenting. Grounded in Social Information Processing (SIP) Theory, the present study explored how these processes evolve over time and differ between mothers and fathers. Specifically, this study investigated whether parental negative attributions mediated the relationship between early parenting stress and later abuse risk. A sample of 203 first-time mothers and 151 of their male partners were recruited prenatally as part of a …

Learning Techniques In Prediction Of Functional Epigenomic Events, Mohammad Shiri

Computer Science Theses & Dissertations

Accurately predicting functional epigenomic events from DNA sequences is critical to understanding gene regulation and the functional impact of non-coding variants. Despite considerable progress, critical challenges hamper the effectiveness and efficiency of existing deep learning approaches. These challenges include negative transfer in multi-task learning (MTL), suboptimal network architectures, and pervasive label noise, particularly the positive-unlabeled problem arising from data sparsity in single-cell assays. This dissertation presents a cohesive framework of novel learning techniques to effectively address these challenges. First, a highly scalable task grouping framework is presented to mitigate negative transfer in deep MTL. This method clusters tasks based on …

Pushing High-Performance Private Inference Towards Resource-Constrained Edge Clients, Xiangrui Xu

Computer Science Theses & Dissertations

The widespread adoption of Machine Learning as a Service (MLaaS) has enabled resource constrained edge clients, such as mobile and IoT devices, to leverage powerful deep learning mod els hosted on the cloud. However, this paradigm introduces critical privacy challenges regarding the client’s sensitive input data and the server’s proprietary model parameters. While cryptographic techniques like Homomorphic Encryption (HE) and Multi-Party Computation (MPC) enable Private Inference (PI), existing frameworks impose prohibitive computational and communication overheads that render them impractical for edge deployment. This dissertation introduces three novel frameworks—SPOT, LUTless, and PrivShap—to systematically address the efficiency bottlenecks of PI in edge …

Radicals Transforming Organic Matter: Implications For Non-Pyrogenic Black Carbon And Nitrogen Formation, Molecular Dynamics In Tropical Soils, And Lignin Valorization, João Vitor Dos Santos

Chemistry & Biochemistry Theses & Dissertations

Radicals drive the transformation of organic matter in natural and engineered systems, altering its structure, reactivity, and stability. Condensed aromatic carbon (ConAC) and condensed aromatic nitrogen (ConAN) are among the most persistent forms of organic matter in soils and are traditionally interpreted as products of biomass burning. This dissertation challenges the long-standing assumption that these materials are exclusively pyrogenic, showing that iron-mediated radical chemistry can generate condensed aromatic structures under ambient conditions.

Chapters II and III show that Fenton-like radical oxidation of lignin-rich biomass produces condensed aromatic structures compositionally similar to pyrogenic black carbon and black nitrogen when assessed with …

How Women Community College Department Chairs Experience Leadership Work, Stephanie L. Goldenberg

Educational Leadership & Workforce Development Theses & Dissertations

Women remain underrepresented in higher-level administrative roles in community colleges, a disparity shaped by systemic barriers, limited mentoring, and inconsistent pathways into leadership. Department chairs occupy a critical midlevel position that influences faculty, students, and the implementation of institutional priorities, yet little is known about how women experience this role or how their pathways into leadership take shape. The purpose of this qualitative study was to explore how women community college department chairs experience leadership work and what experiences influence their entry into leadership roles. Guided by feminist standpoint theory and grounded in narrative inquiry methodology, this study centers the …

Learning In Motion: How Small Groups Can Promote Self-Regulated Learning In Physical Therapy Students, Sara Mclaren

STEMPS Theses & Dissertations

Self-regulated learning (SRL) is a critical skill for success in rigorous graduate health professions programs, where students must independently manage complex academic demands. Despite its importance, limited research has examined SRL processes among Doctor of Physical Therapy (DPT) students in the didactic phase of training. Guided by Zimmerman’s cyclical model of self-regulated learning, this study examined SRL behaviors among second-year DPT students and explored how small group learning contexts may influence engagement in SRL processes and academic performance.

This mixed-methods study included 39 DPT students enrolled in a physical therapy program at a public university in the southeastern United States. …

Observations Of An Oscillatory Mechanochemical Reaction Between Tetrathiafulvalene And Chloranilic Acid, Alastair Deans

Physics Theses & Dissertations

Mechanochemistry is the study of chemical reactions driven by the input of mechanical en ergy in addition to thermal activation. Mechanochemical reactions from powders are carried out by manual grinding or milling using various types of ball mills, or in twin extruders. While mechanochemistry has great potential affording economically and environmentally advantageous “green” synthetic methods, a drawback is that its chemical mechanisms are not well understood. One example of such a reaction currently under study involves tetrathiafulvalene, an organic elec tron donor with two polymorphs (orange and brown), and chloranilic acid, an electron acceptor. Previous results show that neat grinding …

Student Perceptions Of The Community Of Inquiry In Online Human Anatomy And Physiology Discussion Boards Using 2-D And 3-D Anatomical Models, Timothy J. Mcguire

EVMS School of Health Professions Theses & Dissertations

Online human anatomy and physiology (HA&P) courses require students to learn complex anatomical content outside of a physical laboratory environment, a challenge that may be supported by enhancing students’ perceptions of collaborative learning (CL) through the community of inquiry (CoI) framework. This convergent parallel mixed-methods study examined participants’ perceptions of the CoI framework during two discussion board (DB) activities in an online, asynchronous, noncredit HA&P I study course at a midwestern community college.

Participants were recruited via convenience sampling and randomly assigned to one of two instructional sequence groups (2-D→3-D or 3-D→2-D) to complete two DB activities requiring annotation of …

Does Short-Termism Pay? National Short-Termism, Investment, Innovation, And Equity Returns, Andrew H. Cohen

Theses and Dissertations in Business Administration

We examine whether national short-termism, inferred from corporate language, predicts future real activity, equity returns, risk, and risk-adjusted performance. Using large-scale textual analysis of issuer-linked disclosures and earnings transcripts from the largest firms in twenty major equity markets, we construct country-quarter and annual Short-Termism Scores (STS) capturing the relative emphasis on short- versus long-horizon language.

Higher short-termism predicts lower subsequent gross fixed capital formation, lower research and development intensity, and lower multi-year equity index returns across horizons of up to sixteen quarters. In addition, higher short-termism is associated with greater future market volatility and lower Sharpe ratios, indicating a deterioration …

A Critical Discourse Analysis Of Community College Presidential Job Announcements And The American Association Of Community Colleges Competencies For Community College Leaders, Leslie M. Boon

Educational Leadership & Workforce Development Theses & Dissertations

Women are overrepresented as students and employees of community college, yet they are underrepresented in presidential leadership roles. Prior research has examined the career trajectories and experiences of women aspiring to community college presidencies; however, less research has examined how discourse shapes expectations of leadership. Because community colleges have been described as gendered, the language used to describe leadership competencies may reinforce gendered assumptions about effective leadership. The purpose of this study was to examine the discourse of community college presidential job announcements and the American Association of Community Colleges’ (AACC) Competencies for Community College Leaders (4th edition) to examine …

An Integrated Bayesian Network-Based Zero Trust Model To Quantify Cyber Risk In Small-Medium Businesses, Ahmed Abdelmagid

Engineering Management & Systems Engineering Theses & Dissertations

Small-medium businesses (SMBs) play a pivotal role in the worldwide economy as they constitute the most considerable portion of businesses in developed countries like the UK and the US. As such, SMBs are likely targets of cybercrimes by malicious agents because of their vulnerable IT systems. The digital infrastructure of SMBs is more likely to be hit by cyberattacks than large businesses due to many factors that facilitate hackers’ missions. These factors include a limited financial budget devoted to cybersecurity, a lack of knowledge, an underrating of how dangerous cyber threats are, and a shortage of IT expertise. The enormous …

The War Poetry Map Project: Exploring The Physical And Emotional Geography Of Conflict, Colin D. Halloran

English Theses & Dissertations

There can be no question that war is shaped by and has shaped cultures, and yet as an object of study it is rarely looked at from a cultural studies perspective. It is the great epics of war that form the cornerstones of Western literary tradition. It is the impact of war that gave rise to fields like trauma and memory studies. It is the propaganda produced, the hijacking of cultural industries, that help perpetuate wars. The War Poetry Map Project and accompanying written dissertation seek to move beyond historical and political contexts and view war as a cultural object. …

Shadowrunning The Human: Harebrained Schemes' Shadowrun Series And Transhumanism, Alexander P. Orelup

English Theses & Dissertations

I argue that Harebrained Schemes’ video game series Shadowrun critiques transhumanism in three distinct yet related ways: in terms of religion, political control, and identity capitalism. In doing so, Shadowrun attempts to counter claims that video games are an inherently transhumanist medium and provides an opportunity for players to resist a potential transhuman future. This further elucidates the trends and perceptions of transhumanism within American culture around the time period. I utilize a variety of methodologies in my argument, ranging from cultural studies, narratology, ludology, and close reading in order to grasp all of the audio-visual and gameplay elements that …

Women's Displacement And The Reclamation Of Identity: Navigating Landscapes Of Contestation In The Postcolonial Novel, Carol P. Harvest

English Theses & Dissertations

Landscapes affected by colonial domination are contested landscapes—places not only in danger of environmental destruction through colonial and neocolonial violence but also landscapes of struggle for people who survive in these precarious spaces. Historically, separate postcolonial and ecocritical literary analysis addressed contested landscapes; postcolonial critique centered on the lasting devastation of colonial violence on people and place, while ecocriticism, in its infancy, enjoyed the privilege of ignorance, focusing on endangered species and the preservation of land, but it did not consider the impact of landscapes on the very people who were largely forced to either leave or cross “natural” spaces. …

Bug-In-Ear ECoaching To Enhance Parents' Use Of Embedded Learning Opportunities With Preschool-Age Children With Autism Spectrum Disorder, Aeshah Alturki

Human Movement Studies & Special Education Theses & Dissertations

The increasing prevalence of autism spectrum disorder (ASD) has heightened the need for effective communication interventions. Parents are key partners in intervention and, with appropriate support, can serve as effective intervention agents. However, parents often require ongoing support to implement evidence-based practices. The purpose of this study was to experimentally evaluate the effects of online Bug-in-Ear (BIE) eCoaching on parents’ fidelity of embedded choice-making during family routines with their preschool-aged children with ASD. This study also examined the generalization and maintenance, children’s communicative responses, and parents’ perceptions of the intervention. A single-subject nonconcurrent multiple baseline design across two parent–child dyads …

Modeling Early Indicators For Success In An Associate Degree In Nursing Program, Joseph D. Moss

Educational Leadership & Workforce Development Theses & Dissertations

Persistent nursing workforce shortages across the United States have increased the importance of Associate Degree in Nursing (ADN) programs as primary entry points into the profession. Community colleges prepare a substantial portion of the nursing workforce; however, attrition within ADN programs limits the number of graduates entering practice. Understanding factors associated with academic performance and program completion is essential for strengthening nursing education pathways and supporting workforce development. The purpose of this quantitative study was to examine early academic and sociodemographic factors associated with successful completion of an ADN program at a suburban community college.

Guided by Becker’s Human Capital …

Sensemaking By Rural Community College Mid-Level Academic Leaders During Localized Disruptions: A Critical Incident Technique Study, Donata Worrell

Educational Leadership & Workforce Development Theses & Dissertations

Mid-level academic leaders in community colleges play a critical role in the success of community colleges. Beyond performing administrative tasks, they advocate for faculty, staff, and students as well as implement directives. Their work is affected by localized disruptions. However, limited research has examined how these leaders experience such disruptions. The purpose of this qualitative study was to explore how mid-level community college leaders experience and make sense of those unexpected operational disruptions and their emotional responses to those events. Guided by Weick’s theory of sensemaking, this study used the critical incident technique (CIT) to collect detailed accounts of the …

The Physiology Of The Work: Chronic Stress, Allostatic Load, And Faculty Wellness In Counselor Education, Ajayla S. Evins

Counseling & Human Services Theses & Dissertations

Counselor educators embody multifaceted professional roles across teaching, supervision, research, leadership, and service, exerting a profound influence on the formation of counselors and the ongoing development of the profession (CACREP, 2024; Calley & Hawley, 2008). While wellness is recognized as a core professional value in counseling (ACA, 2014), research has focused almost exclusively on emotional and psychological dimensions, leaving the physiological consequences of chronic stress largely underexplored (Bovee, 2024; Faheem et al., 2025; Lewis et al., 2022). In neighboring fields, such as public health and medicine, chronic stress has been linked to dysregulation in cardiovascular, neuroendocrine, immune inflammatory, and metabolic …

Downstream Effects Of Post Aerobic Digestion And Divalent Cation Treatment: Dewaterability, Phosphorus Mitigation, And Process Odors, Maya Marisol Quijano Garcia

Civil & Environmental Engineering Theses & Dissertations

This study evaluated post-aerobic digestion (PAD) with aeration, mixing, and divalent cation addition to improve phosphorus capture, dewaterability, and odor control in thermal hydrolysis process (THP)–treated anaerobic digestate at the Hampton Roads Sanitation District’s Atlantic Treatment Plant. A three-day PAD process was operated under constant air flow (5 LPM) and dissolved oxygen (DO)-setpoint (0.2 mg/L) aeration conditions with Ca(OH)₂ or Mg(OH)₂ dosing. Aeration and mixing alone increased polymer demand by 14–46 % relative to untreated influent, indicating enhanced extracellular polymeric substance release. Chemical conditioning partially mitigated this increase but did not restore polymer demand to baseline levels. Dewatered cake total …

Behavioral, System, And Informational Cyberattacks: A Human-In-The-Loop Driving Simulator Experiment, Samuel Petkac

Psychology Theses & Dissertations

Advanced technologies such as sensors and AI/ML algorithms have enabled increasing levels of automated driving system that detects, responds, and even predicts changes in a driving environment supported by wireless connectivity to nearby vehicles and infrastructure. Such connected and automated vehicles (CAVs) can be particularly vulnerable to cyberattacks targeting not only infotainment systems but also firmware and other applications, critically compromising driver safety. As we anticipate a “mixed” traffic where vehicles with various levels of automated technologies share the road for the foreseeable future, it is urgent to systematically examine types of possible cyberattacks and control human behaviors in such …

Swimming Behavior Of Longfin Squid Doryteuthis Pealeii Paralarvae: Escape Jets To Pirouettes, Mel Lhuillier

Biological Sciences Theses & Dissertations

Upon hatching, squid paralarvae must become proficient at locomotion and prey capture before their yolk reserves are depleted, while also contending with the physical constraints associated with low/intermediate Reynolds number (Re) environments. Although some aspects of behavior and jet dynamics have been examined in squids during early ontogeny, little is known about routine behaviors in paralarvae, whether repeatable patterns are employed, or how these behaviors are achieved dynamically. To better understand swimming behaviors and the propulsive flows that drive them in paralarvae, high-speed video data and digital particle image velocimetry (DPIV) data were collected simultaneously from longfin squid Doryteuthis pealeii …

Quantifying Nutrient Fluxes Across The Sediment-Water Interface In The Lafayette River Estuary, Adriana E. Amrhein

OES Theses and Dissertations

The Lafayette River, a shallow, eutrophic tributary of the Chesapeake Bay, experiences seasonal harmful algal blooms (HABs). While management efforts focus on reducing external nutrient inputs, internal loading from benthic sediments remains poorly constrained. This study quantifies spatial and seasonal variability in nutrient and radium isotope fluxes across the sediment–water interface at three sites where HABs are known to initiate and represent contrasting sediment textures and hydrodynamic conditions. Sediment cores and porewater samples were collected in summer 2023 and winter 2024 to measure grain size, porosity, dissolved nutrients (NH₄⁺, NOₓ⁻, PO₄³⁻), and radionuclide activities (²²⁴Ra and ²²⁸Th). Radium isotope disequilibrium …

The Effects Of Covid 19 Job Demands On Public Sector Employees’ Organizational Commitment: The Mediating Roles Of Work Engagement And Job Burnout, And The Moderating Role Of Supervisor Support, Benjamin R. Kaufman

Psychology Theses & Dissertations

United States citizens rely on state government employees to provide essential public services. During the COVID-19 pandemic, these employees responded by administering both routine and novel procedures to protect public health, often placing them on the frontlines and at increased risk of contagion. Concurrently, the pandemic-driven economic downturn created budget shortfalls that threatened the job and financial security of the state workforce. Together, these conditions substantially increased job demands for state government employees.

Guided by the Job Demands–Resources (JDR) Model, this study examined how COVID‑19-related job demands influenced state employees’ work engagement, job burnout, and organizational commitment, and whether supervisor …

Ptsd Symptoms And Cannabis Use Among College Students: Examining The Role Of Trauma-Related Cannabis Use To Cope, Christopher T. Latourrette

Psychology Theses & Dissertations

Individuals with posttraumatic stress disorder (PTSD) are more than four times as likely to develop cannabis use disorder (CUD) as those without PTSD. This common co-occurrence is often interpreted through a self-medication framework in which cannabis is used to manage PTSD symptoms. Prior work has relied heavily on veteran samples, includes measures of cannabis coping that are not specific to PTSD, and has most commonly examined total PTSD symptom severity, limiting precision in understanding how discrete symptom clusters relate to cannabis outcomes. The present study sought to examine associations between individual PTSD symptom clusters and cannabis use severity and to …

Exclusive Neutral Pion Electroproduction Cross Section Measurements With A Neutral Particle Spectrometer, Mitchell R. Kerver

Physics Theses & Dissertations

Deep Virtual Compton Scattering (DVCS), the exclusive electron-proton scattering process ep →e′p′γ, provides access to generalized parton distributions (GPDs), which correlate informa tion about the longitudinal momentum and transverse spatial structure of quarks inside the nucleon. Experiment E12-13-010 in Hall C at Jefferson Lab was designed to take high-precision measure ments of the DVCS cross section over an extended kinematic range using the newly commis sioned Neutral Particle Spectrometer (NPS). The NPS features a high-resolution electromagnetic calorimeter and a streaming data acquisition system optimized for operation at high luminosities. This thesis presents the detector and analysis work carried out to …

Extending The Job Demands-Resource Model In Classified Work Environments: A Longitudinal Analysis Of Job Demands, Resources, Job Satisfaction, And Retention Among Engineers, Gregory Gooden

Engineering Management & Systems Engineering Theses & Dissertations

The Job Demands–Resources (JD-R) model is a widely used framework for understanding how work conditions influence employee attitudes and retention-related outcomes. However, empirical evidence testing JD-R dynamics in classified technical work environments remains limited, particularly using longitudinal designs that account for structural constraints, nonrandom participation, and outcome-specific measurement challenges. Classified work is characterized by persistent demands, restricted flexibility, and security-driven limitations on available resources, raising questions about whether and how JD-R processes generalize to this context.

This study examines whether job demands and job resources predict subsequent job satisfaction and retention intent in a classified technical workforce using multi-wave longitudinal …

Role Of Listeria Adhesion Protein In Monocyte-Associated And Extracellular Translocation Of Listeria Monocytogenes Across The In Vitro Placental Barrier Co-Culture Model, Ayesha Atique

Biological Sciences Theses & Dissertations

Listeria monocytogenes is a facultative intracellular foodborne pathogen capable of crossing the placental barrier, leading to miscarriage, stillbirth, and neonatal sepsis, and has a fetal/neonatal fatality rate of ~20–30%. Although the importance of canonical virulence factors such as Internalin A (InlA) and Internalin B (InlB) in L. monocytogenes crossing of the placental barrier has been demonstrated, clinical strains lacking functional canonical internalins have been reported to cause severe neonatal disease, suggesting additional mechanisms of placental translocation.

To investigate these virulence mechanisms, we adapted a physiologically relevant co-culture human placental barrier Transwell model composed of BeWo trophoblasts and primary human placental …

A Study Of Short-Range Correlated Pair Formation Mechanisms, Noah S. Swan

Physics Theses & Dissertations

Short-Range Correlations (SRCs) refers to pairs of nucleons that are temporary high density fluctuations with high relative momenta and lower center-of-mass momenta com pared to the nuclear Fermi momentum (kF). SRCs account for 20–25% of the nucleons in medium to heavy nuclei, make up essentially all nucleons with momentum greater than kF, and contribute most of the kinetic energy carried by nucleons in nuclei.

The existing semi-inclusive and exclusive measurements only cover a handful of light nu clei or heavy elements. This does not allow for a systematic study of the dependence of SRC pairs on nuclear mass and proton-neutron …

Profiles Of Science Students’ Achievement Emotions: An Exploration Of Motivational Antecedents And Persistence Outcomes Over Time, Arianna White-Levatich

Educational Leadership & Workforce Development Theses & Dissertations

This is a longitudinal study focused on the importance of students’ beliefs and emotions for their persistence in science majors. The primary goals of this study are threefold. First, to examine how undergraduate science students’ academic achievement emotions combine into profiles across two time points in the context of introductory Chemistry and Biology Courses. Second, to examine how students’ beliefs and perceptions of belonging relate to profile membership and to the likelihood that students will transition between profiles of emotions over time. Third, to evaluate how emotion profile membership and transition are related to students’ intentions to pursue science and …