Digital Commons Network^™

Development And Evaluation Of Wireless Monitoring Systems For Touchless Respiratory Monitor Validation, Dustin Marquardt

Graduate Theses & Non-Theses

The Touchless Respiratory Monitor (TRM) is a non-invasive system that uses contactless methods to measure respiratory rate and tidal volume. The main technologies employed are LiDAR for tidal volume measurement and a thermal camera for respiratory rate monitoring. These novel methods require validation against established techniques such as capnometry and respiratory inductance plethysmography. Commercial respiratory monitoring equipment is often expensive and dependent on proprietary software, creating barriers to widespread use. To address this, a custom, modular, and low-cost evaluation system was developed to streamline the validation of the TRM. The prototype system integrates a pulse oximeter, capnometer, spirometer, and respiratory …

Production Of Rare Earth Elements By Molten-Salt Electrolysis, Mohammed Moro

Graduate Theses & Non-Theses

Rare earth elements (REEs) are indispensable, high-value resources that play a crucial role in renewable energy, defense systems and advanced technological systems. REEs are commonly extracted from natural ores or recycled materials such as permanent magnets using hydrometallurgical or pyrometallurgical techniques. In hydrometallurgy, the REE source is leached with acid, followed by solvent extraction and precipitation steps to obtain rare earth compounds like oxides and fluorides. Pyrometallurgy involves dissolving rare earth compounds in a molten halide bath, followed by high-temperature electrolysis to convert them into metals, which are then recovered at the cathode. This process typically includes melting, refining, and …

The Need For Policy Pathways To Phone-Free Schools: A Desk-Based Analysis For A Rural K-12 District, Kelsey Upton

Theses and Dissertations

This capstone project addresses the growing concern over mobile device use in secondary schools by analyzing the implications of implementing a comprehensive mobile device restriction policy. While many schools maintain cell phone policies, inconsistent enforcement reduces their effectiveness, leading to ongoing challenges such as decreased student attention, diminished face-to-face interactions, and increased mental health concerns. Guided by the Adapted Policy Analysis Triangle Framework, this study uses a qualitative, desk-based policy analysis approach to examine existing literature, district policy documents, and publicly available case studies of schools that enact mobile device restriction measures. The analysis evaluates how such policies are designed, …

Building From The Ground Up: Informing Inclusive Curriculum Design Through Qualitative Inquiry: Development Of An Early Childhood Curriculum For Children In Mississippi, Alicia Deaver

Theses and Dissertations

Curriculum is a vital component of high-quality early care and education programs. Barriers such as cost, limited education and training, and restricted access to materials often make it difficult for many programs to adopt or implement developmentally appropriate curricula. Effective curriculum implementation relies on individualization and cultural responsiveness to be fully inclusive of children of all abilities. This study addressed the formative and summative processes of the My Mississippi Adventures project, a curriculum developed for use by early childhood educators throughout the state. The curriculum was designed with direct input from early childhood educators to address the unique challenges faced …

Design, Development, And Validation Of An Automated Hole-Punching System For Precision Irrigation In Lay-Flat Poly Pipe Tubing, Micah James Foster

Theses and Dissertations

Increasing pressure on water resources in agricultural regions, particularly the Mississippi Delta, demands innovative irrigation technologies to optimize water usage while maintaining crop productivity. This research presents the design, development, and validation of an automated hole-punching system for lay-flat poly pipe tubing used in precision irrigation applications. The system ensures accurate and consistent hole placement through an integrated rotary cutting die, a PLC-based control architecture, stepper motor actuation, and distance-sensing and position-synchronization. The software logic maintains precise hole spacing despite variations in tubing speed. System performance was evaluated through extensive testing and statistical analysis of hole-spacing accuracy, repeatability, and sagitta-based …

Novel Experimental Techniques For Pressure Transients, Luliang Zhang

Theses and Dissertations

This dissertation introduces novel experimental techniques for analyzing pressure transients, focusing on dynamic strain and pressure measurements to advance the understanding and application of Pulse Pressure Amplification in percussive devices. The research evaluates a high-speed linescan extensometer utilizing linescan Digital Image Correlation (DIC) on a Kolsky Bar to obtain strain data at high strain rates. This data is critical for accurate material characterization and simulations to model dynamic behavior. Additionally, a novel method for measuring dynamic pressure waves in pipe systems has been developed, enabling direct assessments of pressure amplification in devices such as tapered pipe systems. The findings contribute …

Examining Relationships Among Teachers’ Perceptions Of School Climate And Culture And Their Sense Of School Belonging, Kimberly D. Lathan

Theses and Dissertations

The purpose of the study was to examine the relationships among teachers’ views of school climate and culture and their sense of belonging within a Mississippi school district. Using a quantitative survey research design, data were collected from 99 teachers during the 2024–2025 school year through the School Climate Survey and the School Belonging Scale Survey. The researcher sought to determine whether differences in the teachers' perceptions of their schools’ climate and culture and their sense of belonging existed by gender and grade span, as well as whether significant relationships existed among the constructs of their schools’ climate and culture …

How The Advisor-Advisee Relationship Contributes To Black Student Success At Pwis, Renata Denise Roberts

Theses and Dissertations

This qualitative study explores how the advisor-advisee relationship contributes to Black student success at Predominantly White Institutions (PWIs). Black student enrollment and retention at PWIs continue to decline, especially with national efforts to cut DEI measures. Previous research highlights that engagement and institutional support are critical to persistence and graduation; however, limited literature exists on how academic advising relationships can impede or contribute to Black student outcomes in these environments. Viewing from the lens of Black students’ perceptions, this study examines how the academic advising experience can foster trust and contribute to academic achievement for Black students or impede their …

The Social In The Spiritual: Non-Theistic Spirituality In 12-Step Addiction Recovery, Steph Jacobs

Theses and Dissertations

To investigate whether Western-raised Narcotics Anonymous (NA) members engage in non-theistic spirituality and non-humanist modes of sociality with non-human beings, I conducted six qualitative interviews and a small-scale survey within a Vancouver NA community. The majority of participants practice non-theist spirituality, and three interviewees relate to non-humans in ways not accounted for by Western humanism. Findings suggest that connection and sociality are intrinsically woven into recovery and well-being. This research opens conversations about non-theistic spirituality in NA recovery, non-human sociality and healing, processes of ontological negotiation, and the entanglement of spirituality, sociality, and well-being. Through daily practices of exploration and …

Improving Artificial Intelligence Literacy Among Middle School Students Using Tangible Objects, Sayantani Dutta

Theses and Dissertations

Given the rapid advancement of Computer Science (CS) and Artificial Intelligence (AI), introducing these disciplines early and effectively in education is essential. Many middle school students, however, struggle to understand these subjects when taught with traditional, abstract, and screen-based methods, which often fail to engage students or build deep conceptual understanding. This study argues that tangible, hands-on learning tools and interactive activities make AI and CS concepts more accessible, concrete, and engaging for students. The findings show that, compared to traditional lectures, hands-on activities lead to substantially improved comprehension, retention, and enjoyment. While the sample size poses limitations, the evidence …

Using Quantum Annealing For Sampling And Pattern Generation In Generative Machine Learning And Catastrophic Forgetting Mitigation, Abdelmoula El Yazizi

Theses and Dissertations

The first goal of this dissertation was to understand the reasons for the absence in previous investigations of significant and consistent improvements in the trainability of Restricted Boltzmann Machines (RBM) when the Quantum Annealer (QA) was used for sampling from the RBM probability distribution. The second goal was to address the shortcomings of those previous investigations, explore possibilities of improving RBM training, and identify other machine learning applications that could benefit from sampling or from generating patterns by the QA. The first part of this dissertation focused on a Local-Valley (LV) centered approach to assessing the quality of sampling. QA-based …

Dem Simulations For Tractive Performance Of Rigid Wheel In Granular Media, Aidan Noah Dickerson

Theses and Dissertations

Accurately predicting vehicle mobility in granular media is essential for evaluating off-road mobility in agriculture, defense, and planetary exploration. Traditional empirical models often fail in capturing complex micromechanics of soil deformation, especially under dynamic conditions such as high slips and maneuvering. This study demonstrates the value of the discrete element method (DEM) in modeling wheel-soil interactions with higher fidelity. Using Altair EDEM and pre-calibrated GEMM materials, simulations were conducted for a range of forward (-5.9% to 54.8%) and side slip angles (3°, 6°, 12°) in dry sand. DEM enabled detailed analysis of sinkage, traction forces, and lateral loads, revealing trends …

Trauma-Informed Advisement: An Examination Of Advisors’ Trauma-Informed Competencies And Responses, Alexis Jackson

Theses and Dissertations

Mental health issues are a problem among the college student population (Abrams, 2022; Andersen et al., 2021; Lipson et al., 2022; Liu et al., 2022), and trauma-informed care (TIC) strategies are being applied within higher education advising as a way to tackle student mental health problems (Bowie State University, 2025a; Meadows Mental Health Policy Institute & Hope Center for Student Basic Needs at Temple University, 2025; Olson & Sterk, 2024; Williams, 2025). However, few studies have examined TIC in the context of academic advising, particularly in the context of higher education. This dissertation aims to address this gap using a …

Faculty Adoption Of The Canvas Learning Management System: An Application Of The Utaut2 Framework, Alyssa Hutcheson Mckinley

Theses and Dissertations

This study aimed to examine faculty adoption of the Canvas LMS at a public university through the Unified Theory of Acceptance and Use of Technology 2 (UTAUT2) framework. Survey data were collected from faculty across multiple colleges within the university and were used to explore the predictive power of the UTAUT2 constructs including hedonic motivation, facilitating conditions, performance expectancy, effort expectancy, social influence, habit and behavioral intention. In addition to this, disciplinary differences along with discipline-specific needs were also considered in order to better understand adoption patterns. The results of this study indicated habit, hedonic motivation, facilitating conditions, and the …

Analysis Of Trends From Mass Concrete Case Studies, Bradford Songer

Theses and Dissertations

While conventional mass concrete is well understood, high strength and ultra high performance concrete present unique challenges when placed in large volumes. This thesis compiles and analyzes thermal data from mass high strength and ultra high performance concrete placements collected over the past eight years by the U.S. Army Corps of Engineers in support of military construction projects. The datasets span a wide range of material types and volumes. The analysis identifies trends in temperature development, temperature differentials, and the influence of mixture constituents on heat generation. This thesis contributes to the improved understanding of thermal behavior in mass concrete. …

Exploring The Impact Of Incorporating Artificial Intelligence Integrated Systems In The Workplace, Catherine Cruz Agosto Noda

Theses and Dissertations

This study focuses on assessing the impact of incorporating systems integrated with in the workplace by assessing the constructs of usability, cognitive load, and trust. The constructs are assessed by generation and experience level to determine which factors are relevant in a workplace setting. A workplace scenario was simulated by asking participants to complete tasks where they assumed the role of a warehouse manager assigned with assessing two scheduling systems – one with artificial intelligence and one without artificial intelligence. The participants were presented with three tasks of increasing difficulty for each prototype. Both quantitative and qualitative measures were used …

Bridging The Gap: Enhancing Novice Teacher Retention Through Logistical And Administrative Support, Denise Fleurette Harrel

Theses and Dissertations

This project examines the challenges novice teachers encounter and how structured support systems impact their job satisfaction, effectiveness, and retention. The review focuses on administrative and logistical support, highlighting gaps between teacher preparation and classroom realities that contribute to high attrition (Falk, 2017; Koca, 2016). Key challenges include insufficient time management training, inconsistent expectations, and limited district or school-level support (Fantilli & McDougall, 2009), all of which are intensified by the demands of navigating modern classroom technologies (Philipsen et al., 2019). The literature review centers on teacher perceptions to clarify what constitutes effective logistical and administrative support (Banerjee et al., …

A Mixed-Method Study Of African American Parents’ Involvement In Their Children’S Individualized Education Program Process, Dischedia Tamarisi Williams

Theses and Dissertations

The major purpose of the study was to examine the unique experiences of African American parents regarding their parental involvement in their child’s Individualized Education Program process. In addition, the study aimed to investigate the perceptions of teachers and administrators regarding the experiences of the African American parents as they worked with the parents and their children during the IEP process. Epstein’s (1987, 2008) Model of Parental Involvement was used as a theoretical framework to underpin the study emphasizing six dimensions of parental involvement. The six dimensions of parental involvement include the following: parenting, communicating, volunteering, learning at home, decision-making, …

Assessing Native Bee (Hymenoptera: Anthophila) Community Responses To Seasonal Wetland Management And Red Imported Fire Ants (Solenopsis Invicta) In Mississippi, Haley Michelle Hughes

Theses and Dissertations

Seasonal wetlands support the biological needs of diverse migratory and wintering waterbird species across the southern United States. Management of seasonally flooded impoundments often involves water management and soil and vegetation disturbances to promote early successional plant communities yielding abundant seeds for foraging birds. These wetlands are also occupied by native bees (Hymenoptera: Anthophila) and red imported fire ants (Solenopsis invicta; RIFA), yet how these insects respond to wetland manipulations remains understudied. I experimentally evaluated how native bee communities were influenced by various wetland management practices and reduction of RIFA populations within the wetlands. Overall, wetland manipulation techniques had no …

The Bioarchaeology Of Care In An Asylum Population: Studying Health-Related Caretaking In The Mississippi State Asylum, Hannah D. Willis

Theses and Dissertations

This study employed modified versions of the Bioarchaeology of Care (BoC) and the Index of Care (IoC) to assess signs of impairment, disability, and health-related caretaking within a sample of 15 individuals buried in the Asylum Hill Cemetery who were likely former patients at the Mississippi State Asylum (MSA). This aim is to explore perceptions of disability and health-related caretaking needs through a combination of skeletal evidence and historical documents. Twelve individuals likely experienced physical impairment and potentially disability through participation restrictions. Six individuals likely required health-related caretaking, and healing lesions suggest they may have received care while at the …

Inductively Heated Platinum Electrodes, Jayamini Madumali Mudugamuwa Hewage

Theses and Dissertations

This dissertation presents the fabrication and application of a 150 micrometer platinum microelectrode for induction heating, with a copper coil generating the electromagnetic field and the heating process controlled using pulse width modulation technique (PWM) to regulate the duty cycle of a high-frequency signal. Electrochemical characterization, including resonance frequency determination, peak-to-peak potential optimization, and scan rate variation, is conducted using a 5 mM [Ru(NH3)6]2+/3+ solution in 0.1 M KNO3 to calibrate current variations with changing duty cycles, while the temperature increase (delta T) is estimated using the Seebeck coefficient of [Ru(NH3)6]2+/3+. The study further explores the application of induction heating …

What Makes A Good Leader? Ms Lili: Mississippi Library Leadership Institute, Anita L. Winger

Theses and Dissertations

What is leadership? The goal of this research is to develop leaders, but what does that mean? It is true that leadership is needed at every level in an organization, and a leader does not need to be at the administrative level of the organization but can lead from any role and any level in the organization. Everyone has their own style of leadership that needs to be developed. The research explored different styles and theories of leadership and focused on implementing a Character Strength-based framework of leadership. Through this research, identified topics will be presented to participants in the …

Implementation Factors For Wearable Fall Injury Mitigation Technology: A Framework For Technology Adoption, Richard G. Stefanacci, Rebecca J. Tarbert, Nicole Hemenover

College of Population Health Faculty Papers

OBJECTIVES: To identify implementation factors influencing the adoption of wearable fall injury mitigation technology in long-term care (LTC) settings and develop a practical framework for technology implementation success.

DESIGN: Mixed-methods assessment of a multicenter evaluation examining organizational, staff, and resident factors affecting technology adoption.

SETTING AND PARTICIPANTS: Ten LTC facilities implementing the Tango Belt, a wearable airbag device for hip protection during falls. Analysis included 134 intervention participants (mean age 87.3 years, 76% female, 93% with fall history in past year) and comprehensive stakeholder feedback from staff, leadership, residents, and families.

METHODS: Quantitative measures included device adherence rates, training attendance, …

Generational Differences And Registered Nurses’ Intention To Leave An Organization, Mutabazi Sekimonyo

Walden Dissertations and Doctoral Studies

As baby boomers, Generation X, millennials, and Generation Z converge in healthcare settings, their distinct values and work styles influence organizational culture, communication, and collaboration, ultimately affecting patient care outcomes. This study was conducted to explore the impact of generational differences on registered nurses’ intentions to leave their organizations or the nursing profession. By examining how these generational differences shape nurses’ intentions to leave their organizations, the study can help to identify challenges and opportunities for healthcare leadership. Through an analysis of generational expectations and workforce dynamics, this research aimed to inform strategies for supporting retention, enhancing job satisfaction, and …

Prevalence Of Abuse-Specific Injuries In Infants With Prior Injury Evaluated For Abuse., Nara Cho, Kristin G. Crichton, Sara Helwig, Krista K. Wheeler, Rachel M. Stanley, Megan M. Letson, Kristine A. Campbell, Angela N. Bachim, Colleen J. Bressler, Carmen M. Coombs, Lori Frasier, Nicole Johnson, Sara Kilbride, Jan Leonard, Daniel M. Lindberg, Noelle Tran, Joanne N. Wood, Farah W. Brink

Manuscripts, Articles, Book Chapters and Other Papers

BACKGROUND AND OBJECTIVES: Physical abuse is a common cause of morbidity in infants but is often missed in those with medically minor injuries, increasing the risk for escalating violence. Our objective was to compare the prevalence of abuse-specific injuries among infants with and without prior injuries.

METHODS: This is a retrospective, multicenter study of infants (aged < 12 months) undergoing child abuse pediatrics provider (CAP) consultation for suspected physical abuse between 2/2021 and 12/2022 at 10 participating US centers. Encounters were dichotomized into those with and without history of prior injury. The groups were compared for rates of diagnostic screening and prevalence of abuse-specific injuries. The association of prior injuries with identification of abuse-specific injury was assessed using logistic regression controlling for demographics and presence of prior injury.

RESULTS: We identified 2352 eligible encounters (median age: 4.2 months), of which 13% had a history of prior injury. In infants who underwent diagnostic testing, injury identification was significantly higher in those with prior injury (45% vs 22%,

CONCLUSION: Infants with prior injury undergoing …

Concerted Rattling-Induced Strong Anharmonicity And Phonon Coherence Lead To Ultralow Glasslike Thermal Conductivity In Tlagte, Shantanu Semwal, Yi Xia, Chris Wolverton, Koushik Pal

Mechanical and Materials Engineering Faculty Publications and Presentations

Ordered crystalline compounds exhibiting ultralow and glass-like thermal conductivity are both fundamentally and technologically important, where phonon quasi-particles dominate their heat transport. Understanding the microscopic mechanisms that govern such unusual transport behavior is necessary to unravel the complex interplay of crystal structure, phonons, and collective excitations of these quasi-particles. Here, we use state-of-the-art first-principles calculations based on quantum density functional theory to investigate the origin of experimentally measured unusually low and glassy thermal conductivity in semiconducting TlAgTe that possesses disconnected chains of Tl atoms within its three-dimensional crystalline framework made up of distorted AgTe4 tetrahedra. Utilizing a unifying framework of …

Learning, Becoming, And Practicing: My Msw Portfolio, Mario G. Colucci

Graduate Student Portfolios, Professional Papers, and Capstone Projects

No abstract provided.

Hope In The Midst Of Trajedy, Rose S. Deroche

Graduate Student Portfolios, Professional Papers, and Capstone Projects

No abstract provided.

Peace To The Fallen, Resilience To The Living, Michele M. Brockie

Graduate Student Portfolios, Professional Papers, and Capstone Projects

No abstract provided.

Social Work In Practice, The Final Stretch, Madison M. Fernandez

Graduate Student Portfolios, Professional Papers, and Capstone Projects

This professional portfolio reflects what I have learned in the MSW program at the University of Montana.