Digital Commons Network^™

Generative Artificial Intelligence (Genai) In Procurement And Supply Chain Management: Applications, Opportunities And Challenges, Vinay Singh, Laurie Hughes, Mousa Ahmed Albashrawi, Il Jeon, Yogesh K. Dwivedi

Research outputs 2022 to 2026

Purpose: This article aims to explore the transformative potential of generative artificial intelligence (GenAI) in procurement and supply chain management (SCM), with a focus on its practical applications, strategic implications and integration challenges. Design/methodology/approach: Adopting a conceptual approach, this article presents the authors’ views and arguments, supported by a review of existing literature and informed by insights from discussions with industry experts. The discussion in this conceptual article is anchored in the supply chain operations reference model. Findings: This research addresses critical questions regarding the practical and strategic impacts of GenAI, emphasizing its ability to simulate scenarios, deliver real-time insights …

An Analysis Of The Influence Of Project-Based Assessments In Middle School Mathematics, Andrea Fettkether

Dissertations and Theses @ UNI

In today’s diverse classrooms, teachers face the challenge of educating students with varied academic abilities, including those with disabilities, gifted learners, and students at grade level. The Individuals with Disabilities Education Act (IDEA) ensures inclusive access to core curriculum, but educators must differentiate instruction to meet all learners’ needs. Traditional assessments focus on rote memorization, often failing to reflect deeper understanding or real-world problem-solving.

In middle school math, standard curricula often lack project-based assessments, despite research supporting their effectiveness in improving academic achievement and student engagement. Students benefit from working in collaborative environments where they can discuss mathematical ideas, receive …

The Shared Superintendent In Iowa: Benefits, Challenges, And Lessons Learned Over The Last Thirty Years, Amanda Schmidt

Dissertations and Theses @ UNI

This study examined the benefits, challenges, and leadership qualities associated with the shared superintendent model, and compared them with lessons learned over the last thirty years. Understanding how this model impacts dynamics within schools and the community is crucial to identifying strategies that support effective governance and enhance educational outcomes for all involved. A qualitative, phenomenological study approach was used to research the role of the shared superintendent in rural Iowa. Participants were those who served as a shared superintendent between a minimum of two school districts within the state of Iowa and have held this position for at least …

Examining Patient Safety Culture Trends In U.S. Healthcare Through A Multi-Year Analysis, Hassan Alabdullah

Graduate Studies Theses and Dissertations 2026

Patient Safety Culture (PSC) is recognized as a cornerstone of healthcare quality and a key determinant of patient outcomes. Despite the Institute of Medicine’s early calls to establish safety-oriented systems, evidence on the long-term stability of PSC in U.S. hospitals has remained limited. This dissertation addresses this gap through a multi-year evaluation of PSC using the Hospital Survey on Patient Safety Culture (HSOPSC v1.0) and advanced statistical methods. Drawing on one of the largest national datasets—comprising over 993,000 healthcare providers from 1,601 U.S. hospitals across three survey cycles (2013–2020)—the study employed a longitudinal repeated cross-sectional design. Analyses combined descriptive statistics, …

Rhetoric Of Opportunity: An Analysis Of Gullah Geechee Histories Through The Lens Of Counterstory, Xaria Arthur

Graduate Studies Theses and Dissertations 2026

Counterstory as a method/ology has been used in a variety of disciplines to share experiences of individuals and communities whose voices have been historically silenced or suppressed. Utilizing this methodological framework, my study shares the stories of six Gullah Geechee descendants with ancestral roots in the unincorporated community of Nesmith in Williamsburg County, SC. Treating these minoritized and individual stories as experiential knowledge, I trace the counterstories as topoi to introduce and develop the theoretical concept that I call the rhetoric of opportunity, which refers to memories or stories that have come to motivate individuals toward or away from …

The Uncanny And Uneasy: An Exploration Into Using Puppets To Share Dark Stories, Grace Auls

Graduate Studies Theses and Dissertations 2026

In this thesis, I will explore the role of puppetry and practical effects in evoking the uncanny and the uneasy as well as questioning the implications they have in dark theater and cinematic contexts. This paper will examine how puppetry and practical effects can contribute to potentially disturbing and dark imagery both on screen and in live theater. I will be focusing on looking at Jim Henson’s The Dark Crystal, as well as at different puppetry performances used in Voyage of the Little Mermaid (1992), Don’t Hug Me I’m Scared, Kirikou and the Sorceress (Kirikou et la Sorciere), and even …

Restoring Digital Trust: Decentralized Frameworks For Identity, Consent, And Media Provenance, Raghu N. Avula

Graduate Studies Theses and Dissertations 2026

Digital platforms are deeply embedded in modern society through centralized network architectures. As online interactions transition to the physical world handling sensitive data, user privacy and cryptographic security require enhancement beyond traditional limits. This dissertation presents a decentralized “Tri-Layer Trust Architecture” that leverages Verifiable Trust Registries, Cryptographic Binding, and Edge Verification to prioritize data sovereignty and local authentication. To demonstrate the architecture’s applicability across distinct operational environments, we implement three solutions: (1) Verifiable Presence for peer-to-peer ride-sharing via D-RideX, which encrypts biometric data on physical hardware (TEEs) and Soulbound Tokens (SBTs) to prevent impersonation without cloud database exposure; (2) Verifiable …

Establishing And Testing Experiential Critical Theory (Ect), Dolores M. Batten Mrs.

Graduate Studies Theses and Dissertations 2026

There is a current gap in academia which has been largely overlooked in both pedagogy and assessment: the value of personal experience as key evidence of interpretation and meaning-making correlation. Aside from narrative writing, most current methods of literary analysis writing do not place a high value on personal experience beyond the inclusion of brief anecdotes. Yet experience is the major pathway by which an individual forms their worldview, which then informs the ways in which they interpret the world—and by extension, text. This dissertation both establishes and examines the use of Experiential Critical Theory (ECT) in pedagogical application for …

An Integrated Framework For Last-Mile Delivery Optimization Using Reinforcement Learning And Social Media-Based Traffic Prediction In Underdeveloped Megacities, Vasanth Bhat

Graduate Studies Theses and Dissertations 2026

Supply chain management has become increasingly critical as transportation costs rise and urban delivery systems place additional pressure on already congested networks. Last-mile delivery—the movement of goods from distribution centers to end users—represents the most expensive and operationally complex segment of the logistics process, particularly in underdeveloped megacities characterized by unpredictable traffic, limited infrastructure, and sparse real-time data. This dissertation proposes an integrated framework for optimizing last-mile delivery in such environments by combining social media–based traffic intelligence, machine learning, and deep reinforcement learning. The framework leverages unstructured, real-time data from social media platforms to enhance traffic prediction and incorporates these …

Investigation Of Exotic Phenomena In Topological Quantum Materials, Iftakhar Bin Elius

Graduate Studies Theses and Dissertations 2026

he First Quantum Revolution established quantum mechanics as the foundation of modern physics, enabling transformative technologies such as semiconductors, lasers, and transistors through prin-ciples of quantization, wave-particle duality, and uncertainty. The ongoing Second Quantum Rev-olution harnesses entanglement, superposition, and coherence to advance quantum computation, communication, simulation, and sensing. Central to this endeavor is the study of quantum mate-rials hosting novel electronic structures and emergent phases, including topological insulators and Dirac, Weyl, and nodal-line semimetals. In this thesis, using angle-resolved photoemission spec-troscopy (ARPES), transport measurements, and density functional theory (DFT) calculations, we investigate three classes of materials: (i) magnetic topological semimetals, …

Computational Modeling Of Bubble Dispersion In Alginate Hydrogel Foams For Radiologically Equivalent Biomedical Phantoms, Godson N. Brako

Graduate Studies Theses and Dissertations 2026

The foaming of hydrogels presents a promising strategy for tailoring mechanical and radiological properties to replicate biological soft tissues for biomedical phantoms. Achieving uniform and predictable void fraction distributions in alginate hydrogel foams remains a challenge due to the complex interplay between bubble dynamics, matrix rheology, and interfacial forces during the pre-gelation aeration stage. This thesis develops a Computational Fluid Dynamics framework using the transient Eulerian two-fluid approach to predict void fraction distribution in alginate hydrogel precursor solutions aerated by air injection through a bottom nozzle. The objective is to use the framework for design of the foaming system to …

Examining Team Leader Visual Dynamics And Team Performance In Pediatric Emergency Simulations, Annamarie Brosnihan

Graduate Studies Theses and Dissertations 2026

Pediatric medical emergencies are dynamic, high-intensity clinical situations that demand coordinated interdisciplinary actions for optimal patient outcomes. Effective teamwork and leadership are critical, especially during the preparatory phase. Here, team leaders define task goals, assign individual roles, and maintain situational awareness. This phase directs attention, organizes team dynamics, and ensures medical interventions are deployed properly. Medical simulations provide a unique opportunity to capture dynamic leadership behaviors in a controlled low-stakes environment using multimodal data, such as eye tracking, to gain insight into team leader cognitive processes (i.e., attention allocation and information processing). Prior research suggests that leaders who visually attend …

Developing The Whole Child: A Retrospective Ethnographic Case Study Of Prosocial Learning Efforts At One Elementary School, Bevan Brown

Graduate Studies Theses and Dissertations 2026

An alarming trend among elementary-aged students in the United States exhibiting significant deficits in social-emotional competency development has intensified since the Covid-19 pandemic. Challenges in developing competent prosocial skills in the elementary-aged years have been associated with difficulties in emotional regulation and social interactions, which can result in compromising school readiness and long-term academic success. Existing school infrastructure provides a vehicle for early intervention, specifically in supporting students with poor social and emotional wellbeing. Thus, the need for innovative pedagogical and instructional approaches that address the complex challenges of the 21st century has become increasingly essential. Coordinated approaches to prosocial …

Applying Harm Reduction To Binge-Eating Disorder: Protective Behavioral Strategies Against Uncontrolled Eating, Emily Burr

Graduate Studies Theses and Dissertations 2026

Binge-eating disorder (BED) is a highly deleterious mental illness, with ramifications ranging from psychological impairment to premature mortality. Despite the awareness of intervention urgency, treatment strategies to manage BED have limited long-term efficacy. Therefore, it is of high necessity to illuminate other methods of reducing the potential effects of binge eating (BE), either by combatting severity or frequency of the behavior. Protective behavioral strategies (PBS), first identified in the substance use field, are methods by which an individual attenuates potential harm from a behavior without expectation of abstaining (i.e., a harm reduction approach). Given high likelihood of treatment relapse for …

The Bite Model And Multi-Level Marketing: How Monat Propagates, Lilly D. Cheung

Graduate Studies Theses and Dissertations 2026

This study aims to understand how MONAT Global Corp, a Multi-Level Marketing (MLM) company, utilizes rhetoric that aligns with Steven Hassan’s BITE Model of Authoritarian Control. Hassan is a cult expert and cult survivor whose work primarily explains undue influence and thought control with BITE representing Behavior, Information, Thought, and Emotional control. The MLM MONAT is a haircare brand that operates through a recruitment-and-sales-based hierarchy, in which sellers sign up and work under one another in a layered marketing structure. To meet quotas and maintain ranks, representatives will use rhetorical strategies to recruit new sellers beneath them in their ‘downline’ …

Enhanced Atomization And Combustion In Subsonic Ljic Systems Using Ultrasonically Driven Solid Obstructions, Daniel Sebastian Cruz

Graduate Studies Theses and Dissertations 2026

The liquid fueling methods used in aircraft propulsion have undergone extensive optimization, with Liquid Jets in Crossflow (LJIC) emerging as a simple yet effective injection scheme. LJIC enables sufficient fuel mass flow rates and penetration for high-speed operation, however fuel trajectory and droplet size remain highly sensitive to crossflow conditions. As a result, wide flight envelopes introduce variability in atomization, leading to unsteady combustion performance. Recent work has incorporated a pintile, a solid obstruction placed in the path of the fuel jet, to redistribute momentum and reduce trajectory variability across varying flow conditions. While this approach improves trajectory uniformity, it …

Taming Wildfires, Bianca Dagostino

Graduate Studies Theses and Dissertations 2026

Taming Wildfires is a novella immersed in the mind of a young woman named Lilla with intense, undiagnosed mental illness attempting to reenter society after losing the crutch of her long-term partner. The novella engages with the intersection of queerness, mental illness, interracial relationships, and the society of recent past (2023-2024), and deals with themes of isolation, loss, self-image, and emotional healing. Readers are invited fully into Lilla’s mind as she navigates a long-term friendship strained by proximity and a new romance marred by omission. These relationships are overcast by her loss, her skewed reality, and her conflicting desires to …

Privacy-Preserving Matrix Computations Using Homomorphic Encryption With Applications In Ai, Yang Gao

Graduate Studies Theses and Dissertations 2026

Homomorphic encryption (HE) enables computation directly on encrypted data, offering strong privacy guarantees for sensitive applications. Despite its promise, the practical adoption of HE remains limited by high computational overhead and inefficient support for fundamental operations such as matrix multiplication, sparse computation, and secure retrieval.

This dissertation addresses these challenges by developing efficient and scalable methods for privacy-preserving computation under HE. First, it presents HEGMM, a framework for secure general matrix multiplication that reduces redundant computation and improves efficiency through optimized data layouts. Second, it introduces the Compressed Sparse Sorted Column (CSSC) format for sparse matrix-vector multiplication (SpMV), enabling efficient …

Contested Air: Politics, Prejudice, And Radio Broadcasting In New York State, 1925-1928, Sebastian Garcia

Graduate Studies Theses and Dissertations 2026

This thesis examines the intersection between radio broadcasting as the "new media" of the 1920s and American political culture of the period, using New York Governor and 1928 Democratic presidential candidate Alfred E. Smith as a case study. Smith entered 1925 as a political lone wolf and left the year as a triumphant victor set to take the presidency. Building on the work of Smithian scholars, this thesis illuminates how Smith’s radio use remained central to this political transformation. Smith found in radio an apt space to bypass Republican opposition and mobilize the body politic through direct engagement, which, in …

Carbaryl Exposure Alters Gut Microbiome Composition Without Affecting Morphometrics In Eastern Purple Martin (Progne Subis Subis) Nestlings, Stephanie A. Gaspar

Graduate Studies Theses and Dissertations 2026

Eastern purple martins (Progne subis subis) rely entirely on human-provided nesting structures throughout their breeding range in eastern North America. To control haematophagous mites that commonly infest these nests, many landlords apply the carbamate insecticide, carbaryl. Although effective at reducing ectoparasite populations, carbaryl exposure may have unintended effects on the gut microbiome, growth, and condition of developing birds. This study examined the effects of carbaryl exposure on gut microbial communities and morphometric condition in wild nestlings. Nests were experimentally treated with carbaryl, and nestling morphometrics and fecal microbiomes were compared between treated and untreated groups at 18 days …

Emotional Support Friends: Creating Social Impact Through Art And Polite Humor, Kenyari Gil Rosario

Graduate Studies Theses and Dissertations 2026

This thesis aims to provide new imagery to the conversation of mental health and neurodivergence. It does this through forms of soft sculpture, digital paintings, marker drawings, and community murals. Inspired by the practices of Keith Haring, iconographic characters are used to portray common struggles and coping habits of mental conditions in an endearing light. With the goal of social impact, this project is affiliated with the non-profit organization Providing Autism Links and Support (P.A.L.S). This partnership has given the community an opportunity to share their compassion through art and donations and uses art as a means of social impact …

Improvisational Theatre And Theatre Of The Oppressed: Fostering Growth In Myself And Beyond, Leigh S. Green

Graduate Studies Theses and Dissertations 2026

This thesis examines how improvisational theatre and Augusto Boal’s Theatre of the Oppressed function independently and how these practices have shaped me as both an artist and educator. Having grown up with improvisation and continued working professionally in performance and education, I have observed how it creates conditions that support development. Guided by a qualitative practice-as-research methodology, in which my own artistic and pedagogical practice serves as both site and subject of inquiry, this study explores three central questions: How does improvisational theatre contribute to youth development? In what ways can Theatre of the Oppressed deepen or reshape improvisation’s developmental …

Reflection In Still Waters: Generative Ai's Production Of Language, Jonathan D. Hawks

Graduate Studies Theses and Dissertations 2026

Language is a conceptual process of meaning-making as well as a social construction as defined by Saussure, Bakhtin, and Lacan. Large Language Models (LLMs) engage with neither process and instead present language as a finished and consumable product which undermines its fundamental aspects. The difference between representing language through probability and its structural components instead of its more inherent qualities is not a pointless distinction. This paper utilizes Narcissus as a central metaphor to show how people misread the outputs of LLMs as language which imparts to those reflected words meaning on par with our own conceptualizations of reality. People …

Predicting Safety And Mobility Parameters Based On Comprehensive Analytics Of Connected Vehicle Data, Lei Han

Graduate Studies Theses and Dissertations 2026

Traffic safety and mobility remain critical challenges for modern transportation systems. The emergence of connected vehicle (CV) data offers unprecedented opportunities to capture microscopic, non-aggregated driving dynamics to support precise and finer-grained traffic safety and mobility research. This dissertation develops a comprehensive CV data–driven analytical framework to advance traffic safety and mobility research across multiple roadway contexts, including intersections, segments, freeways, and urban arterial networks. For traffic safety, this research extracts both longitudinal and lateral risky driving behaviors from CV trajectories and integrates them with macro-level roadway, traffic, and visual environment features. A spatial machine learning framework is proposed for …

Centered A Story Of Family And Compassion In The Face Of Parkinson's Disease, Savannah Hill

Graduate Studies Theses and Dissertations 2026

Centered is a three-dimensional (3D) animated short film that explores the topic of parental illness and how families must respond with compassion and adaptability when loved ones face mental or physical challenges. The story is inspired by the director’s own experience with her father’s diagnosis of Parkinson’s Disease when she was in high school. The main characters, a father and daughter, must navigate the father’s changing needs after his diagnosis by prioritizing their connection and adapting to his new physical challenges. In the film, they do this through the creation of pottery. The imperfect, handmade design style of the film …

Exploring The Temporal Context Of Abusive Supervision, Alexandra Kandah

Graduate Studies Theses and Dissertations 2026

This dissertation examined the temporal dynamics of abusive supervision and their implications for employee burnout and turnover intentions. Drawing from gestalt characteristics theory and uncertainty management theory, this research investigated whether the timing, frequency, variability, and change in abusive supervision influence employee outcomes beyond traditional cross-sectional conceptualizations. Study 1 used a qualitative design to explore how abusive supervision unfolds over time. Fourteen working adults reporting a past abusive supervisor participated in semi-structured interviews focused on the temporal dynamics of their experience with abusive supervision. Results indicated that abusive supervision often began early, recurred frequently, and was characterized by unpredictability and …

Gratitude As Social Information: How Leader And Follower Gratitude Expressions Influence First-Level Supervisors’ Work Experiences, Meghan E. Kane

Graduate Studies Theses and Dissertations 2026

Gratitude is an important other-oriented, moral emotion known to promote individual well-being, strengthen social relationships, and foster positive workplace outcomes. Yet, organizational research has largely focused on gratitude as an individual trait or internal emotional state, with limited attention to its interpersonal signaling functions. Drawing on Emotion as Social Information (EASI) theory, this dissertation conceptualizes gratitude expressions as social cues that shape how others feel, think, and behave in the workplace. Focusing on first-level supervisors, an underexamined yet critical role in organizations, and integrating insights from leadership and followership research, this work examines how the source of gratitude expressions (leader …

Framing Home: Extending Beyond The Threshold, Kaitlin R. Kirsch

Graduate Studies Theses and Dissertations 2026

This thesis body of work inspects the changes in the artist’s relationship to domesticity and their perceived sense of control over the spaces they have called home. By creating and embellishing spaces that subvert the threshold between the physical and psychic, the works stimulate feelings of comfort or discomfort. Installations of found materials, mixed media, and text-based dark humor, come together to account for this artist’s attempt to navigate the tediousness of daily life. The work takes into consideration the intangible rules that infiltrate a household, defining the framework in which a person learns to live within, or adapt to, …

Essays On Network Resilience: Enhancing Network Resilience Through Network Governance Structure, Process, Environment, And Leadership, Hanvit Kim

Graduate Studies Theses and Dissertations 2026

As disasters become more complex, their impacts often cascade across interdependent systems, creating failures that extend beyond any single organization or sector. Because such crises cut across organizational and sectoral boundaries, effective response depends not only on the capacity of individual organizations but also on the resilience of interorganizational networks. Yet despite the growing importance of networked coordination in disaster response, the concept of network resilience remains underdeveloped in the literature, with limited consensus on its definition, measurement, and determinants. This dissertation addresses that gap by systematically examining what network resilience is, how it can be conceptualized and assessed, and …

Social Support As An Effect Modifier Of The Assocation Between Drug-Use Related Stigma And History Of Substance Use During Pregnancy Among Women Who Use Unprescribed Opioids In New York City: A Cross-Sectional Study, Isabelle C. Lynch

Graduate Studies Theses and Dissertations 2026

Substance use and misuse among women who are pregnant is a growing public health concern in the United States. Overdose deaths are now a leading cause of death among pregnant and postpartum women, and neonatal abstinence syndrome rates have increased to 23 per 1000 births. A barrier addressing substance use among these women is social stigma, which in part is driven by punitive drug policies that criminalize substance use during pregnancy and societal gender roles and norms surrounding women’s substance use. Social support, including emotional, instrumental, and informational support, can serve to mitigate the negative impacts of stigma on health …