Digital Commons Network^™

The Impact Of Blockchain-Linked Audit Trails And Stakeholder Feedback Loops On Ethical Adherence In The U.S. Federal And State Agencies, Leon Pikor

Doctoral Dissertations and Projects

This dissertation explores the impacts of blockchain-based audit trails and stakeholder feedback loops on ethical conduct in U.S. federal and state public administration. The study addresses ongoing ethical problems in government, such as low levels of accountability, inadequate procedures, policy manipulation, and a waning public confidence in government, despite the existence of government ethics codes and oversight bodies. Ethical adherence is considered using two complementary theories: the virtue theory (Honesty, Fairness, Integrity, Responsiveness, Trust) and the deontological theory (Duty fulfillment, Rule following, Documentation, Accountability, Procedural compliance). The study was conducted with closed and open-ended answers from public administration participants who …

A Qualitative Phenomenological Study Exploring Middle School Special Education Teachers’ Experiences In Their Undergraduate Preparation Programs, Alfredia D. Simmons

Doctoral Dissertations and Projects

The purpose of this phenomenological study was to explore the perceived effectiveness of undergraduate educator preparation programs for special education teachers in middle schools in central Georgia. The theory guiding this study was transformative learning, as proposed by, which explored adult learning and the ways individuals reflected on experiences to shift their perspectives and develop new understandings. The central research question asked: How did middle school special education teachers perceive the effectiveness of their undergraduate preparation programs in relation to their current teaching responsibilities? This transcendental phenomenological study included 10 middle school special education teachers in central Georgia. Data were …

Comparative Analysis Of Metabolic Vulnerability In The Standard American And Carnivore Diets Using The Mvx Plus Biomarker Panel, Susan E. Fitzgerald

Doctoral Dissertations and Projects

Poor diet is a leading cause of mortality, contributing to an estimated one million deaths in the United States and eleven million deaths annually worldwide, with diet-related chronic disease accounting for approximately 85% of U.S. healthcare spending. The Standard American Diet (SAD) is widely recognized as causing systemic inflammation, while the carnivore diet is under-researched with unknown long-term effects. The purpose of this cross-sectional secondary analysis was to examine the impact of these two dietary patterns on metabolic vulnerability using the Metabolic Vulnerability Index Plus (MVX Plus), a multidimensional biomarker panel that quantifies systemic inflammation, metabolic malnutrition, and metabolic resilience …

A Phenomenological Study Exploring Administrators’ Experiences Supporting Career And Technical Education Teacher Self-Efficacy, Korbin T. Shoemaker

Doctoral Dissertations and Projects

The purpose of this hermeneutic phenomenological study was to understand the support of career and technical education teacher self-efficacy development for secondary public-school administrative leaders at West Central Maryland school districts. The theory guiding this study was behavioral leadership theory, as it provided a lens for understanding how leaders’ observable actions and interactions intentionally influence teachers’ confidence and professional growth. The central research question guiding this study was: What are the lived experiences of secondary public school administrative leaders as they support the development of self-efficacy in CTE teachers? This qualitative study utilized a hermeneutic phenomenological design informed by van …

A Causal-Comparative Study Of The Effect Of Developmental Education Courses On College Persistence In Higher Education Among First-Year College Students, Tosha J. Mobley

Doctoral Dissertations and Projects

The purpose of this quantitative causal-comparative study was to examine differences in institutional integration scores among first-year college students based on enrollment status and gender assigned at birth at a public southern university. This study was important because previous reform efforts intended to improve college persistence and graduation rates have not eliminated the need for developmental education or learning support courses within higher education. The independent variables included enrollment status and gender assigned at birth. Institutional integration was measured using the Institutional Integration Scale–Revised (IIS-R). The sample was composed of 107 first-year college students enrolled in developmental (support) and traditional …

Leadership And Emotional Well-Being: A Qualitative Case Study In Higher Education, Qasem Varzideh

Doctoral Dissertations and Projects

The emotional well-being of tenured faculty members, which can include stress levels, job satisfaction, morale, and mental health, has been shown to directly influence faculty retention, student outcomes, and institutional performance. Despite the considerable body of research on leadership and faculty well-being, few studies focus specifically on how leadership practices and administrative policies influence the emotional well-being of tenured faculty members at public colleges. This qualitative single-case study examined the impact of institutional leadership practices and administrative policies on the emotional well-being of tenured faculty members at a large, multi-campus, publicly funded college in the Southeastern United States. The study …

Church Revitalization In A Southwest United States Retirement Community Church: A Case Study, Donald L. Fraser

Doctoral Dissertations and Projects

Eighty percent of churches in the United States are either plateaued or declining. Across all denominations, as many as 7700 churches permanently close their doors each year. Pastors of once-vibrant churches transition to survival mode rather than continuing to build their churches. However, there are bright spots where a declining church reverses the downward trend and begins a renewed cycle of growth. This case study examined church growth and revitalization of Southwest Community Church (the name has been changed to protect the identity of the participants), a revitalized church in a dedicated retirement community. For this research, revitalization has been …

Stem Afterschool Enrichment Programs On Post-Secondary Minority Students In Southern California And Their Educational And Professional Pathway: A Phenomenological Qualitative Study, Lavar Jamaall Watkins

Doctoral Dissertations and Projects

The purpose of this transcendental phenomenological study was to describe the lived experiences of ethnically and racially minority students who participated in STEM afterschool enrichment programs at middle schools in Southern California. Guided by social cognitive career theory (SCCT), this phenomenological study addressed how participation in STEM supplemental programming served as a predictive motivator that encouraged ethnically and racially minority students to pursue careers in STEM professions. SCCT provided the theoretical framework for understanding how self-efficacy, outcome expectations, and contextual influences shaped students’ perceptions, motivations, and career decision-making related to STEM. The central research question guiding this inquiry was: What …

Diversity, Equity, And Inclusion: A Culturally Responsive Pedagogy Phenomenological Study, Paul Bagsby Iv

Doctoral Dissertations and Projects

The purpose of this hermeneutic phenomenological study was to explore the lived experiences of K–12 STEM teachers as they cultivated inclusive and diverse classrooms in alignment with culturally responsive pedagogy (CRP). Vygotsky’s sociocultural theory of learning guided the study. Purposeful sampling with maximum variation was used to recruit 10 secondary STEM teachers from public schools in Riverside County, Southern California. Data were collected through individual interviews, focus groups, and journal prompts and were analyzed using Colaizzi’s method. Seven themes emerged: CRP as an embedded and intentional practice; CRP as difficult but necessary work; student ownership as engagement; student reactions as …

Predicting Fourth-Grade Mathematics Performance: Disability Status And Udl-Aligned Pedagogy In Inclusive Elementary Classrooms, Shannon W. Davis

Doctoral Dissertations and Projects

This quantitative, non-experimental, predictive correlational study examined the extent to which student disability status and mathematics instructional pedagogy predicted fourth-grade mathematics performance in inclusive elementary classrooms. Persistent mathematics achievement gaps between students with disabilities and their nondisabled peers highlight the need to identify instructional and student-level predictors of academic outcomes. The sample consisted of 109 fourth-grade students from inclusive elementary classrooms in a large southeastern public school district. Mathematics performance was measured using the Winter i-Ready Diagnostic Assessment for Mathematics scores. In contrast, instructional pedagogy was measured using a validated teacher self-report survey assessing alignment with Universal Design for Learning …

Investigating K-12 Principals Assigning Non-Licensed, Uncertified Personnel As Teachers: A Case Study, Hugues Pericles

Doctoral Dissertations and Projects

The purpose of this single case study was to describe how principals assign non-licensed, uncertified personnel as teachers for students at K-12 public schools. The theory guiding this study was Weick’s sensemaking theory on organization, as it explains the relationship between the theory and leaders’ management in times of organizational crisis. The Central Research Question was: How do principals assign non-licensed, uncertified personnel as teachers at their K-12 public schools in one large urban school district? This study was a holistic single case study. The study sample included the lived experiences of K-12 public school principals in one of the …

Exploring The Influence Of Organizational Leadership On The Educational Experiences Of Impoverished Urban Children: A Transcendental Phenomenological Study, Tanmai Talari Pena

Doctoral Dissertations and Projects

The purpose of this transcendental phenomenological case study was to understand the educational experiences of impoverished urban children as perceived and addressed by school administrators in a K–12 school within the United States. The theory guiding this study was Vygotsky’s Sociocultural Theory, which emphasizes the importance of social interaction, cultural context, and community in shaping learning and development, and aligns with the study’s focus on how educational leaders interpret and respond to the needs of marginalized student populations. The central research question guiding this study was: How do school administrators perceive and address the educational experiences of impoverished urban children …

Multi-Agent Autonomous Laboratories, Xavier Pillet

Defensive Publications Series

This document, produced with the assistance of ChatGPT o3, Claude Opus 5 and Gemini 3.6 Reasoning, is released under the Apache License 2.0. It is a voluntary defensive publication (prior art) and therefore enters the prior art upon release under the applicable patent statutes : EPC Art. 54(2) (European Patent Convention), French IPC Art. L 611-11 (French Intellectual Property Code), 35 U.S.C. §102(a) (United States Patent Act), Chinese Patent Law Art. 22(5) (両匡丢氡儡吡嘡丣刡氢), and Japanese Patent Act Art. 29(1) (闘旧避). It releases into the public domain 113 inventions covering autonomous laboratories and their multi-agent artificial intelligence systems: hardware safety and …

A Comparative Study Of Advanced Pid And Advanced Smc Controllers For Robust Speed Control Of Bldc Motor, Zuhair A. Alqarni

Yanbu Journal of Engineering and Science

There are several industrial applications for BLDC motors where precise speed control is required. There has been a lot of research on and practical use of classical controllers, but when dealing with nonlinearity, changing plant parameters, moving time delays, and excessive plant noise, advanced controllers often perform better. This research compares two different methods for controlling the BLDC motor drive system speed. An advanced Sliding Mode Controller based on the super-twisting method with integral sliding surface and an advanced Proportional Integral Derivative (PID) controller with derivative filtering and anti-windup compensation are both examined in this work. The author of this …

Creating An Updated Risc-V Platform With Hypervisor Support, Carter A. Glatt

Masters Theses

Virtualization has become an important methodology for implementing security and efficiency in embedded systems design. Virtualized environments provide flexibility and scalability of user-space environments, as hardware capabilities allow for multiple environments to run concurrently using the same hardware without impacting system performance or cost metrics. The ability to implement virtualized environments is fundamentally based on the instruction set architecture (ISA), which implements the necessary commands to facilitate the interface between physical hardware and virtual components.

RISC-V is an open-source ISA that can be used to generate platforms that support virtualization through the use of the H-Extension ISA. Previous research into …

The Effect Of Divergent Thinking Strategy On Cognitive Intuition And Learning To Perform Some Volleyball Skills For Fifth-Grade Middle School Students, Fatima Naeem Abdullah Al-Aboudi

Modern Sport

The importance of this research stems from employing divergent thinking strategies to develop cognitive intuition and improve the learning of basic volleyball skills among middle school students, thus contributing to the improvement of learning quality. The research problem lies in the weak level of cognitive intuition and skill performance among fifth-grade middle school students, necessitating the search for a modern educational strategy to address this issue. The research aimed to build a scale for cognitive intuition, and to identify the effect of divergent thinking strategy on developing cognitive intuition and learning some volleyball skills. The researcher used the experimental method …

Computer Organization And Assembly Language Programming, Chenxi Wang Phd, Muhammad Rashed Phd

Mavs Open Press Open Educational Resources

Computer Organization and Assembly Language Programming is an open textbook written for CSE 2312 students at The University of Texas at Arlington and for anyone who wants to see clearly how high-level code becomes machine operations. The book takes the position that assembly is not a historical curiosity but a working tool: it is where system programming, embedded development, performance tuning, and real debugging skill begin.

Across sixteen chapters, this textbook builds from number systems and base conversion through ALU operations, status flags, and shift operations, then into ARMv7 assembly syntax, the load and store architecture, endianness, addressing modes, branch …

A Historical Analysis Of Competitive Dominance In The Men's Individual Events At The World Fencing Championships (1921–2022), Zainab Ali Abdul Ameer

Modern Sport

The study aimed to analyze the trajectory of competitive dominance in the Men's Individual Events at the World Fencing Championships during the period 1921–2022. It also examined medal distribution patterns and analyzed competitive specialization according to weapon category. The study used comparative historical analytical approach, through tracking the results of the World Fencing Championships across four historical stages, based on official data, medal distribution and percentage indicators. The most significant outcome was the shift of competitive dominance from Hungary, which won 10 and 13 gold medals in the first and second historical stages, respectively, to the Soviet Union, which achieved …

Oregon State Rank Assessment For Stemmed Polypore (Xeroceps Skamania), Nora Dunkirk

Institute for Natural Resources Publications

Oregon state conservation status assessment for Stemmed Polypore (Xeroceps skamania) using NatureServe methodology, 2026.

Workers Authoring Assessment: Play And Power In Early Childhood Education, Phoebe M. Gilpin

Theses and Dissertations

Researchers assert that play-based pedagogy is an effective approach to teaching young children, but there is less consensus on the specific methods of play-based teaching. This mixed-methodology exploratory case study investigated early childhood (EC) educators’ conceptualizations of play-based pedagogy in three phases: Phase 1’s quantitative measure testing found a mismatch between researchers’ conceptualization of play-based pedagogy and EC educators’ (n=183) understandings. In Phase 2, EC educators (n=3) articulated their perspectives about teaching through play and co-authored a new tool, the Teacher-Authored Play and Teaching Scale (TAPTS). Within Phase 3, EC educators (n=60) completed the TAPTS, which I interpreted through a …

Texas Teachers’ Perspectives On Work Experiences That Influenced Their Decision To Leave Their District Or Profession Following The Onset Of The Pandemic, Rose Pham Tran

Walden Dissertations and Doctoral Studies

The problem that was addressed through this study is the over 10% departure of K-12 teachers following the onset of the pandemic, contributing to widespread teacher shortages in the classrooms in Texas. Guided by Bakker and Demerouti’s job demands and resources framework, the purpose of this study was to explore K-12 teachers’ perspectives on the demands and responsibilities as well as their reasons to leave the district or profession following the onset of the pandemic. For this case study, semistructured interviews were conducted with 10 teachers from the same district who voluntarily left between 2020 and 2025. Additional data on …

Trust, Delegation, And Alignment In Human-Ai Decision Making, Erik O. Kimbrough, Brennan Mcdavid, Diba Vazirian

ESI Working Papers

This paper studies delegation to artificial intelligence in a setting where human principals retain the consequences of delegated choices. Participants wrote prompts instructing ChatGPT-4o mini how to choose on their behalf in three canonical economic domains: risky choice, intertemporal choice, and social allocation. We then elicited the compensation participants required to let the AI’s choices count for payment and compared participants’ own choices to choices generated from their prompts. The design produces two central empirical objects: a revealed measure of reluctance to delegate, captured by willingness to accept compensation for AI delegation, and a behavioral measure of alignment, captured by …

Aeroradio-Spectrometric Geothermal Analysis Of Abeokuta, Southwestern Nigeria, Fidelis O. Ogunsanwo

Tanzania Journal of Science

Weathered basement terrains of Precambrian origin are increasingly recognized as important targets for geothermal assessment and renewable energy exploration; yet systematic assessments integrating airborne radiometric data remain limited in south-western Nigeria. This study applies an aeroradio-spectrometric approach to evaluate and quantify the radiogenic heat production, geothermal gradient, and lithospheric heat flow associated with the diverse lithological assemblages of the Abeokuta area, southwestern Nigeria. The study area comprises of six lithological units, namely; biotite–garnet gneiss and schist, porphyroblastic gneiss, migmatite, pegmatite intrusions, and sedimentary successions of sand-clay-shale and sandstone–limestone. The concentrations of uranium (238U), thorium (232Th), and potassium (40K) were extracted …

Assessment Of The Radionuclide Concentration Levels Of Water And Sediments Along The Mara River, Gasper Kachenge, Abubakary Salama, Abdalah Kileo, Furaha Chuma

Tanzania Journal of Science

For many years, several factors have impacted the water quality of the Mara River, including population growth, agricultural expansion, livestock keeping, mining, and industrial activities. These factors have intensified water pollution and climate change effects around the river. While previous studies have mainly focused on assessing heavy metal pollution risks on the Mara River, this study evaluates the concentration levels of radionuclides in boreholes, water, and sediments along the river and its tributaries. Naturally occurring radioactive materials, including 226Ra, ²³²Th, and ⁴⁰K, were evaluated. A high-purity germanium radiation detector (HPGe) with a coaxial detector system coupled with Gamma Vision software …

Structured And Interpretable Representations For Ensemble And Dynamical Systems, Yuan-Hung Kuan

McKelvey School of Engineering Graduate Student Theses & Dissertations

Precise and robust manipulation of large populations of structurally identical dynamical systems with heterogeneous dynamics, known as ensemble systems, is a central challenge in many emerging applications. These systems are often difficult to analyze and control because of the inherent nonlinearities, high dimensionality, heterogeneity, and incomplete knowledge of the underlying dynamics. To address these challenges, this thesis develops structured and interpretable representations for the analysis, control, and learning of nonlinear ensemble systems. Its central objective is to transform complex heterogeneous dynamics into representations that preserve essential structural and dynamical properties while enabling tractable computation and effective control design. First, the …

A Return On Investment (Roi) Evaluation Tool For Quantifying The Value Of Cybersecurity Certifications, Nicolas Meysmans, Kelly Hughes

Journal of Cybersecurity Education, Research and Practice

The growing reliance on cybersecurity certifications has increased the financial and professional stakes associated with certification decision-making for cybersecurity professionals. Despite their widespread use in hiring and career advancement, there is limited objective guidance available to help individuals evaluate the return on investment (ROI) of specific certifications. This gap has created uncertainty regarding which credentials provide the greatest value relative to their cost and market impact. This study presents a data-driven, design science–based tool that supports cybersecurity professionals in evaluating certification ROI using practitioner survey data combined with certification cost and labor-market demand indicators. The paper also demonstrates how such …

From Disruption To Replacement: The 2026 Cae Cybersecurity Community Symposium And The Emerging Federal-Academic Compact For An Ai Workforce, Sunday Oludare Ogunlana

Journal of Cybersecurity Education, Research and Practice

The cybersecurity workforce gap in the United States is estimated at several hundred thousand unfilled positions, and the rapid integration of artificial intelligence into adversary tradecraft and federal cyber operations is widening that gap qualitatively as well as quantitatively, threatening national security and the operational readiness of graduates entering the field. This perspective article synthesizes the principal arguments advanced by five federal and academic speakers at the 2026 CAE Cybersecurity Community Symposium, using verbatim session transcripts, a structured thematic extraction process, and triangulation against published workforce policy and peer-reviewed literature. Findings document a unified speaker thesis that artificial intelligence now …

Evaluating A Dual-Beacon Hartmann Turbulence Profiling Technique Using Wave Optics Simulations, Benjamin C. Wilson, Matthew Kalensky, Santasri Bose-Pillai, Jack E. Mccrae

Faculty Publications

Resolving how optical turbulence varies along a propagation path remains a key challenge for designers of free-space optical propagation systems. Instruments such as scintillometers and differential image motion monitors are commonly used, but only provide path-integrated turbulence estimates. Point sensors provide localized estimates of turbulence strength and can be used to generate path-resolved profiles when an array of point sensors are distributed along the optical path. However, this approach can be costly and complex to deploy in certain environments. Alternatively, a single point sensor can be mounted on a mobile platform that collects data while traversing the optical path, although …

Bridging Content, Practice, And Pedagogy In K–12 Computing Education: A Review Of Computer Science In K–12: An A To Z Handbook On Teaching Programming, Matthew Priem

Essays in Education

This book review examines Computer Science in K-12: An A to Z Handbook on Teaching Programming, a resource designed to support K-12 computer science educators. Bringing together contributions from forty authors, the book integrates content knowledge, computational practices, and pedagogical strategies for teaching programming across grade levels. The review highlights the text’s emphasis on addressing student misconceptions, connecting research to practice, and balancing teacher guidance with student autonomy. Although the alphabetical organization may not always reflect pedagogical progression, the modular structure allows for flexible use. Overall, the handbook is a valuable professional resource for both aspiring and practicing computer …

Tracing Caribbean Narratives At The Intersection Of Language, Identity, And Social Media, Juan-Carlos M.E. Goilo

archipelagos: a journal of Caribbean digital praxis

This article delves into how the creole language of Papiamentu navigates the complexities of cultural identity and decolonial praxis within the social media landscape. Drawing from literature reviews, digital ethnography, content analysis, and an interview with social media influencer Gerald Lijde, I explore Papiamentu’s deep-rooted colonial ambivalence—a legacy that shapes its contemporary online use. While digital platforms offer new avenues for celebrating and formalizing Papiamentu, they also risk commodifying its radical, anti-colonial roots into tourist-friendly narratives. By linking online content production to theories of agency and digital culture, the article illuminates Papiamentu’s enduring role as a vessel of resistance and …