Digital Commons Network^™

Exploring Sense Of Belonging Among Neurodivergent Students In Higher Education, Mollie Rubinstein

Theses and Dissertations

Positive academic experiences for university students are hard to come by when non-academic experiences are negative (Gidley et al., 2010; Sandhu et al., 2022; Tinto, 1975). This issue has become increasingly important for neurodivergent students in higher education as more of this population is enrolling in university (Cox et al., 2002; Edwards et al., 2022; Gurbuz et al., 2018; Lubin & Brooks, 2021; Izzo et al., 2008; Mamiseishvili & Koch, 2011; Yssel et al., 2016). The purpose of this study is to listen to neurodivergent student voices to learn about their university experience and sense of belonging. Research questions include: …

Reservation Century: The Use Of Reservations From The League Of Nations To The Genocide Convention, Emily Zekan Brown

Theses and Dissertations

The purpose of this thesis is to explore the twentieth century practice of using reservations, understandings, and declarations to undermine international treaties, specifically the League of Nations and the Convention for the Prevention and Punishment of the Crime of Genocide. Senators first attempted to attach reservations to the Treaty of Versailles after World War I in response to the proposed League of Nations. The concerns raised in the 1910s regarding sovereignty, domestic jurisdiction, and the rights of American citizens were repeated when the Genocide Convention was proposed in 1948. The Senate refused to pass the Genocide Convention until the 1980s …

Musnad ʿAbd Allāh Ibn Al-Zubayr Al-Ḥumaydī As An Early Source Of Madanī Isnād: A Source Critical Study, Heba Mohamed Gaafar

Theses and Dissertations

The transmission of ḥadīth has been a subject of intense debate, particularly regarding the authenticity of early compilations. Musnad al-Ḥumaydī is a ḥadīth collection that has not received significant scholarly attention despite its potential to shed light on early ḥadīth transmission. This study critically examines Musnad al-Ḥumaydī by analyzing its structure, sources, and methodology, focusing on its relationship with Sufyān b. ʿUyayna, the primary transmitter of its ḥadīth. By applying isnād analysis and source criticism, this research challenges the assumption that early ḥadīth compilations were unreliable or retrospectively constructed. Al-Ḥumaydī did not simply collect narrations. The study demonstrates that Musnad …

Calculating Moment Magnitude Using The Coda Calibration Technique To Update The Earthquake Catalog Of Iraq (1900-2021), Muntadher Al-Kaabi

Theses and Dissertations

The first comprehensive earthquake catalog for Iraq based on moment magnitude (Mw) ‎was compiled by Onur et al. (2017). It spanned the period from 1900 until the end of ‎‎2009, covered the region between 26°–40° N latitudes and 36°–51° E longitudes, and ‎included more than 18,000 earthquakes, of which roughly 4,000 are of Mw 4.0 or larger. ‎With the ongoing efforts of updating the probabilistic seismic hazard assessment ‎‎(PSHA) and the Iraqi building code, the need for an updated earthquake catalog for Iraq ‎in terms of moment magnitude (Mw) has been raised. Robust estimation of moment ‎magnitude (Mw) can be …

The Earth's Voice: The Social, Spiritual, And Secular Justifications For The Earth's Freedom Of Expression, Ashley Tzeting Pun Eveson

Theses and Dissertations

The Earth's legal right to freedom of speech remains largely unexplored within the broader legal movement for the rights of nature, which emerged in the 1970s. While environmental law increasingly recognizes nature's rights to exist and thrive, as illustrated by legal rights granted to various natural entities--like the Whanganui River or manoomin rice--the Earth's ability to communicate remains underdeveloped. This study employs legal research analysis to examine the philosophical reasoning behind how social, spiritual, and secular frameworks justify the Earth's right to freedom of speech and expression. It explores legal guardianship, scientific data, Indigenous knowledge, and spiritual stewardship as valid …

Design And Performance Evaluation Of Pv-Powered Ev Charging Stations With Grid Integration And Comparative Analysis Of Dc-Dc Converters For Offboard Chargers, Mohammad Abidur Rahman

Theses and Dissertations

Grid-integrated photovoltaic (PV)-powered electric vehicle (EV) charging stations offer a sustainable solution for reducing grid dependency and fossil fuel consumption in workplace environments. This study proposes a PV-powered EV charging system with an AC bus configuration and grid support to ensure stable and efficient operation. A comparative analysis of four DC-DC converter topologies—Dual Active Bridge (DAB), LLC Resonant, Interleaved Buck-Boost, and Interleaved Buck—is conducted for offboard charging applications. Performance evaluation is carried out using MATLAB/Simulink, considering voltage and current ripple, power density, stress levels, bidirectional capability, and control complexity. Component-level reliability is assessed using MIL-HDBK-217 standards to estimate failure rates …

Blockchain-Enabled Master Data Management, Shakhawat Hossain

Theses and Dissertations

Master Data Management (MDM) is essential for maintaining data quality, accuracy, consistency, and governance within organizations. However, traditional centralized MDM systems continue to face challenges related to data integrity, security, and scalability. This research presents a blockchain-enabled MDM framework designed to overcome these limitations by leveraging blockchain’s decentralized, immutable, and secure architecture. The study aims to identify and address the shortcomings of conventional MDM practices, examine the applicability of blockchain technology in enhancing these systems, and develop a functional prototype to validate the proposed model. The framework incorporates decentralized review mechanisms that improve auditability and ensure trusted data verification by …

First-Generation College Students' Transition Experiences After A Bridge Program, Alison Irvine Mcmurry

Theses and Dissertations

First-generation college students (FGCS) often encounter greater challenges than their peers. Universities offer transition programs like bridge programs, orientations, and advising, but service gaps contribute to FGCS difficulties. Bridge programs are often implemented for specific student groups that the university believes to be at-risk or more vulnerable than their peers. Targeted students are asked to come to campus early for additional training, education, and advising. The program is thought to bridge the gap between what they know and what they need to know to be college-ready and on-level with their peers. This case study examines the transition experiences of seven …

Structural Covariance And Episodic Memory: Sex Differences In Schizophrenia, Delaina Brooke Cimmino

Theses and Dissertations

Schizophrenia (SCZ) is a chronic brain disease characterized by patterns of positive, negative, and cognitive symptoms that interfere with daily functioning and persist throughout the lifespan. Clinical and cognitive symptoms differ between males and females with the disease, suggesting neurobiological abnormalities that vary on the basis of biological sex. The present study used high-dimensional brain mapping and network analysis procedures of cortical and limbic regions known to be involved in memory formation to investigate sex differences in brain correlates of episodic memory among patients with schizophrenia. This study analyzed multi-site archival data from 363 male (M) and 108 female (F) …

The Role Of Cephalic Mechanosensory Bristles In Flight Initiation Of The Oleander Hawkmoth, Daphnis Nerii, Maitri Manjunath

Theses and Dissertations

During flight, insects sense air movement past their bodies via sensory bristles distributed all over their body. These bristles provide mechanosensory feedback to their nervous system, thereby modulating wing motion to cope with ambient wind conditions. In many insect systems including locusts, moths, etc., flight can be rapidly initiated by stimulating a set of bristles called cephalic bristles on their head. Rapid initiation of flight requires diverse, distributed flight-related reflexes to be simultaneously activated.

Thus, we hypothesized that cephalic bristles directly and simultaneously trigger diverse flight-related reflexes. We tested this hypothesis using the Oleander hawkmoth, Daphnis nerii, as our study …

Poetries Of Abandonment: A Study Of Plath And Glück, Yara Abdelmoneim

Theses and Dissertations

This thesis explores the intersection between literature and trauma, which can be discerned in the key works of two poets, Sylvia Plath and Louise Glück. While offering readings of crucial poems, the thesis also examines the interrelations among trauma, memory and narrative as theorized by two contemporary psychiatrists, Bessel van der Kolk and Judith Herman. Both Plath and Glück wrote about personal and generational trauma after going through different experiences of abandonment. Absence, indirection and repetition provide the basis for literary techniques that allow their traumas to be better understood by authors and readers alike. The degree to which each …

Leveraging Reduced Order Models And High-Fidelity Simulations For Efficient Multifidelity Uncertainty Quantification Of Thermal Systems, Jakob G. Bates

Theses and Dissertations

Simulation-led design is becoming an important part of thermal systems design. Simulations of thermal systems continue to improve in their fidelity, but this comes with an increased computational cost. Additionally, uncertainty in simulation inputs, such as thermophysical properties, leads to uncertainty in simulation outputs. For simulations to be used rigorously for simulation-led design, this uncertainty must be quantified. Performing uncertainty quantification on thermal simulations is made difficult by their many uncertain parameters and high computational cost. Multifidelity uncertainty quantification is a set of methods that reduce the cost of uncertainty quantification by leveraging high-fidelity, high-cost simulations with low-fidelity, low-cost simulations. …

Experimental Characterisation Of Laser Cladding Of Crniw And Crnifealzr Powders On H13 Tool Steel And Optimisation Of Process Parameters, Martin Vinoth S

Theses and Dissertations

In this work, laser cladding on H13 steel substrate with two different powder compositions CrNiW and CrNiFeAlZr has been carried out. The laser power, powder feed rate, and scanning speed were varied and the clad dimensions, aspect ratio, and dilution percentage were measured. The microhardness found in the CrNiW clad is 834 ± 20 HV0.5, which is higher than that of the CrNiFeAlZr clad (780 ± 20 HV0.5) as well as the substrate (548 ± 20 HV0.5).

The X-ray Diffraction (XRD) patterns identified the common phase creation of Ni3C and Fe3C for CrNiFeAlZr and CrNiW coatings, while the oxide formation …

Diagnostic Accuracy Of Nonword Repetition Tasks For Dual Language Learners And Monolingual Students, Elizabeth Hunt

Theses and Dissertations

Assessments for diagnosing language disorders (LD) can be biased for dual language learners (DLLs). Nonword repetition (NWR) tasks show potential as a less-biased language assessment measure for DLLs. This study explored the diagnostic accuracy of NWR tasks for diagnosing LD. There were 291 participants included in this study in first through fifth grades. Thirty-nine of the participants had LD and 86 of the participants were DLLs. Sixteen of the participants were DLLs and had LD. Monolingual participants were administered an English NWR task, and DLLs were administered both English and Spanish NWR tasks. These tasks were scored by percent phonemes …

Uhpc Incorporated With Non-Metallic/ Hybrid Fibers And Industrial Wastes - A Comprehensive Study On The Physical, Mechanical Properties And Performance, Sujitha Magdalene P

Theses and Dissertations

The demand for sustainable and high-performance construction materials has led to the exploration of alternative fine aggregates and fiber reinforcements for Ultra-High-Performance Concrete (UHPC). This study investigates the feasibility of using iron ore tailings (IOT), manufactured sand (MS), and copper slag (CS) as partial replacements for river sand (RS), along with various fiber reinforcements, to enhance mechanical properties, durability, and microstructural integrity in UHPC.

The results indicate that IOT at a 30% replacement level (IOT1) exhibited the highest 56-day compressive strength, outperforming MS and CS. Copper slag was found unsuitable for UHPC due to its lower long-term strength. While both …

Leading The Way: Preparing School Psychologists In Postsecondary Transition Training, Kaiya Joy Dawson

Theses and Dissertations

Students with disabilities face significant challenges in achieving postsecondary success, yet training on postsecondary transition planning within school psychology graduate programs remains limited. A content analysis of 252 accredited school psychology programs in the United States revealed major gaps in transition training, with only 1.6% of programs covering all critical domains. Results indicated that 67% of programs include some transition training in at least one domain. Family engagement (42%) and program structure (30%) had the most training, then interagency collaboration (20%), student focused planning (3%) and student development (6%). Notably, programs with larger cohort sizes were correlated with more transition …

Application Of Bioinformatic Tools To Tuberculosis Surveillance At The Arkansas Department Of Health, Brian Scott Delavan

Theses and Dissertations

Tuberculosis (TB) remains a public health threat in Arkansas. Great strides have been made over the past fifty years to reduce the number of TB cases in Arkansas. However, the rate of TB cases has remained steady since 2010. According to the Arkansas Department of Health, from 2012 through 2023 the TB Case rate per 100,00 population was between 2.0 and 3.1. To continue Arkansas’ drive towards elimination of TB in Arkansas, defined as one TB case per million residents, new data analysis tools are needed. This project employs multiple bioinformatic tools to analyze TB cases and latent tuberculosis infections …

Commercial Pressures And Editorial Independence: Egyptian Journalists' Perceptions Of Advertiser Influence In Contemporary Media, Mohamed Ahmed Salem

Theses and Dissertations

This thesis explores the complex interplay between commercial imperatives and editorial autonomy in Egypt’s contemporary media landscape, focusing on journalists’ perceptions of advertising influence. Drawing on Cognitive Dissonance Theory (CDT) and informed by Political Economy and Institutional Theory, the study investigates how Egyptian journalists navigate ethical tensions arising from advertiser demands—both state-linked and private—within a hybrid media system marked by economic precarity, political control, and digital disruption. Through 20 in-depth interviews with journalists, alongside insights from PR professionals, media managers, and academic experts, the research reveals a pervasive erosion of the editorial-commercial boundary. Journalists report widespread self-censorship, blurred content labelling, …

Perceptions Of Faculty On Trauma-Informed Practices At The American University In Cairo, Marwa M. Emara

Theses and Dissertations

Abstract

Trauma-informed education is gaining momentum in higher education as a framework that seeks to create learning environments that are safe, inclusive, and responsive to the emotional and psychological needs of students—particularly those who have experienced trauma. This qualitative study, situated at the American University in Cairo (AUC), explores how faculty perceive, understand, and implement trauma-informed practices in a diverse university context that includes refugee and displaced students. Data were collected through semi-structured interviews with seventeen faculty members from various disciplines and incorporating an autoethnographic reflection. An expert interview was conducted with Dr. Mays Imad, a leading scholar in trauma-informed …

Post Secondary Teaching Toolkit: A Concise Resource To Highlight Effective Pedagogical Strategies For Post-Secondary Instructors, Matthew Thomas Blackwell

Theses and Dissertations

This project seeks to provide teaching support for post-secondary instructors, especially at the community college level, by creating an instructional toolkit that highlights a selection of evidence-based teaching strategies intended to increase student engagement, learning, and achievement. This toolkit includes evidence-based instructional strategies tailored to support post-secondary instructors of any experience level. It highlights research-proven student-centered engagement and instructional techniques such as cooperative learning, inquiry-based learning, project-based learning, problem-based learning, and student interaction in online learning environments. Within the project, the various instructional and engagement techniques are linked together using the Constructivist Learning Theory theoretical framework, highlighting the importance of …

An Investigation Into The Inclusivity, Methodology, And Education Of Severe Weather In K-12 Schools, Stephen Holden Wooten

Theses and Dissertations

Schools are a focal point in the lives of everyone in the community, especially teachers, parents, and students. Investigating the connection between these individuals and tornadoes by identifying shortcomings in education, training, and emergency procedures can induce more effective and informed decision-making for future encounters. This study evaluated the inclusivity of tornado protocols for students with disabilities, uncovered where parents prefer their child to shelter in early dismissal situations and clarified how extensively natural hazard education and tornado drills are covered in schools. Two surveys and semi-structured interviews were used to obtain responses from earth science teachers, K-12 guardians, and …

An Investigation Of Non-Persistence Of Second And Third Year Engineering Students At A Midsize Research University In The South, Kimberly Elizabeth Ball

Theses and Dissertations

Approximately 25% of engineering students drop out during their 1st year of school, with nearly that many leaving during their second or third years. A meta-analysis of engineering non-persistence literature led to the development of an Engineering Non-persistence Model, which incorporates both quantitative and qualitative factors. While previous research primarily focused on factors of non-persistence of engineering students as a whole, this study aims to fill the gap in existing literature by examining factors within the model that contribute to non-persistence among 2nd- and 3rd-year engineering students. The goal is to provide tailored support to second and third year students …

The Teaching Self-Efficacy Of Agriculture Faculty At Community Colleges In The Southern United States, Allison Rachel Coley

Theses and Dissertations

The purpose of this study was to assess the teaching self-efficacy of agriculture teachers at community colleges in the southern United States. The accessible population consisted of all current faculty who teach agriculture at community colleges within the southern United States (N=102) with 102 surveys being distributed and 39% completing the survey. This descriptive study utilized a causal-comparative research design and a purposive sampling technique to select faculty to participate in the study. Means were used to determine how strongly teachers felt about their perceived teaching self-efficacy. Standard deviations helped to determine how the responses varied. Frequencies and percentages determined …

In Search Of Educational Justice: Lived Experiences Of Community College Presidents And Their Authentic Critical Leadership, Juan Felipe Arzola

Theses and Dissertations

There are several gaps in research related to the fields of study of community college leadership and its influence on shared governance discussions and decision-making. The purpose of the current study is to address the gap in the study of community college leadership and its influence on shared governance discussions and decision-making through a critical, intersectional investigation of authentic critical leadership and its potential to influence shared governance group discussions and decision-making in distinctively different ways than those advocated by mainstream leadership theories. Participants participated in semi-structured interviews and were observed in a shared governance group meeting to identify evidence …

Promoting Collaboration And Multi-Directional Reliance By Sharing Mental Model Information For Effective Multi-Agent Teaming, Audrey L. Aldridge

Theses and Dissertations

Successful human-agent teaming requires teammates to form and maintain a shared or common understanding of several attributes regarding taskwork and teamwork. With enhanced information sharing, mental model development, and team functionality, teammates (human, autonomous) can learn to anticipate each others' behaviors, preferences, and needs as well as understand their capabilities and limitations. In designing a framework to support this type of cooperative teaming, there is a need to determine how sharing knowledge, mental models, and common understandings impacts teaming dynamics and performance. By incorporating each individual's understanding into a human-agent interface, this research enables better team coordination and performance through …

The Role Of Institutional Image In First-Generation Student Choice To Attend A Rural Southern Community College, Megan Caves Clark

Theses and Dissertations

As higher education continues to become more competitive with each passing year, research indicates that a favorable image perception of an institution can be achieved through strategic social media presence. With previous literature primarily discussing the impacts of institutional image at a university level, this dissertation explores the role of institutional image in first-generation student choice to attend a rural Southern community college. Using photo elicitation, this qualitative study sought to understand how a rural community college’s social media influences rural, first-generation student’s perception of the college. Results indicated that institutional image perception through social media may play a role …

Real-Time Enhanced Tornado Warning Product Guidance Based On Tornado Debris Signature Height And Population Density, Alexander Cooke

Theses and Dissertations

This research aims to develop an operational program for enhancing real-time tornado warning capabilities by integrating tornado debris signature (TDS) analysis with population impact assessment. The proposed Python-based tool will ingest Level II radar data to identify and analyze TDS, estimating tornado intensity based on maximum TDS height. For high-intensity tornadoes, the program will project the potential impact area using storm motion vectors and integrate this with population density data. The system will assess whether the situation meets National Weather Service criteria for enhanced warning products, providing forecasters with rapid, objective guidance for critical warning decisions. The program’s performance will …

Optimizing Mars Terrain Segmentation With Weakly Supervised Learning: A Focus On Weighted Loss From Annotation Metadata, Malika Dutta

Theses and Dissertations

The study of planetary surfaces heavily depends upon space rovers that gather detailed images of terrain needed for analysis and navigation. Deep neural networks and other sophisticated machine learning techniques are necessary for autonomous navigation in challenging terrain. However, the inconsistent annotations by citizen scientists frequently hinder the performance of these models. This study seeks to optimize terrain segmentation to improve the autonomous capabilities of future Mars rovers by presenting a novel weakly supervised learning framework to handle noise and unreliability in datasets. Using factors like number of clicks, pixel accuracy, and annotator dependability, the method utilizes annotation metadata in …

Evaluation Of Municipal Solid Waste Gasification And The Water Gas Shift Reaction For Biomass Carbon Removal And Storage Via Pre-Combustion Carbon Capture, Colby Luke Freeman

Theses and Dissertations

The water gas shift reaction (WGSR) is a critical step in the pre-combustion capture of CO2 from syngas streams. Recent improvements in gasification technologies have improved the prospects of municipal solid waste (MSW) gasification as a tool for waste reduction and carbon dioxide removal (CDR). This study sought to improve the understanding of a biomass carbon removal and storage (BiCRS) system in which MSW gasification is paired with the WGSR. Sixteen MSW samples were gasified in a bench scale semi-batch reactor. A promising copper based WGSR catalyst was tested for activity from 240-300 degrees Celsius and gas hourly space velocities …

Corn (Zea Mays L.) Productivity, Profitability, And Environmental Sustainability Responses To Nitrogen Application Strategies, Morgan Hutton

Theses and Dissertations

Nitrogen (N) fertilizer is a critical and costly component in mid-southern United States (US) corn (Zea mays L.) production. This study was conducted to determine whether corn productivity, profitability, and environmental sustainability could be manipulated through N application strategies. The effects of N rate, application system, and urea ammonium nitrate (UAN) injection strategies on corn grain yield, N uptake, and runoff N were investigated near Brooksville, MS and Tchula, MS. In 2023 and 2024, N rate nor application system nor trench covering strategies nor UAN injection depth affected corn grain yield. Injecting UAN in two trenches 20 cm from crop …