Digital Commons Network^™

The Role Of Body Composition In Predicting Fitness Performance Of Law Enforcement Officers, Taylor J. Parmentier

Theses and Dissertations

Law enforcement officers (LEOs) perform physically demanding tasks such as foot pursuits, lifting, carrying, dragging, and physical restraint. Effectively performing these duties requires significant muscular strength, endurance, and cardiorespiratory fitness. Lower fitness levels pose risks for reduced health, performance, slower recovery, increased fatigue, and potentially affecting decision-making under strenuous conditions. The purpose of this study was to identify the strongest predictor of physical fitness performance among active-duty LEOs. Body composition analysis and a comprehensive fitness evaluation of twenty-nine male LEOs (age: 36.2 ± 9.3 years, body mass (BM): 95 ± 13.7 kg, height: 1.8 ± 0.1 m) was completed. The …

Type Ii Diabetes Treatment Comparison Via Compartment Modeling, Abigail M. Collins

Theses and Dissertations

Type II diabetes mellitus affects one in ten adults worldwide, yet the effects of treatment type and adherence level on developing complications and quality of life have not been well characterized at the population level, and mathematical modeling offers a structured way to examine these dynamics. This thesis adapts the Boutayeb et al. (2004) model to incorporate dynamic treatment types and levels of adherence, producing nine scenarios in which complication development rate and complication recovery rate differed, to compare peak complications and quality of life across treatment and adherence conditions. Using a system of ordinary differential equations and compartment modeling, …

Thinking Machines: Cybernetics, Artificial Intelligence, And Technological Anxiety In The American Cold War, Erin Mae Wilcox

Theses and Dissertations

Following the Second World War, cybernetics emerged as a cross-disciplinary study in philosophy, neurophysiology, electrical engineering, and mathematics. Cyberneticists proposed the formal study of the man-machine analogy; that is, to equate biological structures to a complex mechanical system. Drawing from this analogy, cyberneticists used programmable digital computers to emulate the functions of the human brain. The study of artificial intelligence emerged within this cybernetic discourse in the early 1950s; yet, by the mid-1960s, the two disciplines suffered a methodological fracture. Drawing from a tradition generated by this fracture, historians have traditionally examined cybernetics and artificial intelligence in isolation from one …

Fostering A Growth Mindset In Mathematics: Faculty And Student Experiences, Yolanda G. Rush

Theses and Dissertations

According to the Center for Community College Student Engagement (2019), many students attending two-year institutions need productive persistence strategies, including the development of a growth mindset. Although some growth mindset interventions have been effective in improving academic achievement among students (Boaler, 2016; Canning et al., 2024) and persistence (Lewis, 2019) among students, especially those with developmental needs (Suh et al., 2019) and those in mathematics, little is known about the experiences of students and teachers (i.e., students’ perceptions of teachers’ intentions and implementation) as teachers work to foster a growth mindset culture (Murphy et al., 2021). In this dissertation, I …

The Acculturation Of International-Born Student Affairs Administrators In The United States, Amber Joy Webb

Theses and Dissertations

This qualitative narrative study explored how international student affairs administrators in the United States experience acculturation. Guided by Berry’s (1997) fourfold model of acculturation, the study examined how participants experienced assimilation, integration, separation, and marginalization as they navigated their professional roles, institutional expectations, and cultural identities. Eight participants, representing diverse countries of origin, institutional types, and professional roles, were interviewed using a semi-structured interview guide. Data were analyzed using Braun and Clarke's (2006) framework. Findings indicated participants employed multiple, context-dependent acculturation strategies rather than adhering to a single strategy. Assimilation emerged as a strategic process for establishing professional legitimacy, navigating …

Understanding Workplace Psychological Safety Among Latina Professionals: An Exploration Of Intersectional Experiences, Michal Tapia

Theses and Dissertations

Latina professionals represent one of the fastest-growing segments of the U.S. workforce, yet they remain disproportionately underrepresented in executive and C-suite roles. This disparity reflects structural conditions that shape access to voice, support, advancement, and decision-making authority.

This mixed-methods study examined psychological safety among 145 Latina professionals across the United States, defined as the belief that one can speak up, ask for help, disagree, or raise concerns without fear of negative consequences (Edmondson, 1999, 2019). The study explored how identity, relationships, leadership, workplace support, inclusion, mentorship, and structural barriers shape psychological safety at work.

Quantitative analyses showed that workplace support …

Comorbidity And Violence: What Role Does Resilience Play In Preventing Violent Acts?, Madeline J. Petit

Theses and Dissertations

The conjunction of substance use disorders, mental illnesses, and violence has been shaped through traditional risk-centered models, yet these approaches fail to explain why most individuals do not engage in violent behavior despite being high risk. This study aims to investigate how resilience may buffer the criminogenic effects of comorbidity and help understand the majority of those at risk who remain nonviolent. The data for this study is drawn from the MacArthur Violence Risk Assessment Study, which consisted of 2.255 person-waves, as the data examined comorbidity across 5 waves, consisting of 451 participants in each wave.Each participant in each wave …

Managing Multi-Drug Resistance: An Evolutionary Game Theory And Optimal Control Approach, Shukhrat Nasrulloev

Theses and Dissertations

Multi-drug resistance is an evolutionary process in which treatment eliminates sensitive cells, allowing resistant clones to dominate. This thesis investigates this process using a framework integrating population dynamics, evolutionary game theory, and optimal control theory. We develop a two-population logistic growth model describing competition between drug-sensitive and drug-resistant cells under treatment, construct dose-dependent payoff matrices and replicator dynamics to characterize evolutionary competition, and derive a critical drug level D_crit = (r_S - rR)/(dS - d_R) at which resistant cells gain a fitness advantage. An optimal control problem is formulated via Pontryagin's Maximum Principle to identify schedules …

Leading The Temporary Workforce: Leadership Communication And Adaptation Among Seasonal Employees, Alfred Kwabena Obiri

Theses and Dissertations

Seasonal employees constitute an essential yet understudied workforce sustaining organizational operations during peak demand periods across industries. Despite the growing organizational reliance on temporary employees, organizational communication studies have primary focused on permanent employees with extended socialization periods, leaving important questions about how leadership communication operates in compressed timeframes inadequately addressed. This qualitative study examined how leadership communication practices shape seasonal employees’ adaptation, belonging, and morale within the temporal constraints characteristic of temporary employment. Drawing on organizational socialization theory, leader-member exchange theory and cultural dimensions, this study employed semi-structured interviews with 19 seasonal employees across hospitality, camp, retail, and education …

Constructing And Deconstructing Homelessness: Challenging The Stigmatization Of The Unhoused Through Lived Experience, Brenna Jones

Theses and Dissertations

As homelessness rises across the United States, public discourse plays an important role in shaping how the housing crisis is understood and addressed. This study examines how homelessness is constructed through local media narratives and how these constructions shape the experiences of unhoused individuals. Using a case study of Greater Bangor, Maine, this research combines a critical content analysis of 315 news articles from the Bangor Daily News (2020-2025) with in-depth interviews with 18 unhoused and precariously housed individuals. The findings demonstrate how media portrayals construct homelessness as a stigmatized identity associated with disorder, addiction, and danger. These narratives contribute …

Informing Policies: Examining Socio-Cultural Factors Influencing The Prevalence Of Gender-Based Violence, Patricia M. Ebubechukwu

Theses and Dissertations

Despite growing policy attention and legal reforms, Intimate partner violence (IPV) remains a persistent public health and human rights concern in Nigeria. This study examines the socio-cultural influences on the prevalence of gender-based violence among ever-married women in Nigeria using data from the 2024 Nigeria Demographic and Health Survey (NDHS). Drawing on a nationally representative sample of 19,863 women aged 15 to 49, the research investigates how geopolitical zone, internalized gender norms, religious affiliation, educational attainment, and household wealth shape women’s experiences of physical, sexual, and emotional IPV. Guided by social norms theory and the ecological model of violence, the …

Elite Cues Vs. Economic Vulnerabilities: What Explains Isolationist Foreign Policy Attitudes Among Americans?, Sabyasachi Karmaker

Theses and Dissertations

This thesis examines whether contemporary isolationist foreign policy attitudes among Americans are better explained by elite political cues or by economic vulnerabilities. Using data from the 2024 American National Election Study (ANES), the study also examines which mechanism holds more explanatory power in shaping isolationist views. The findings show that both elite cues and economic vulnerabilities are associated with isolationist attitudes, but elite cues have greater explanatory power. These results suggest that contemporary American isolationism is more strongly associated with political identity and elite messaging than with economic hardship alone.

Symmetry In Latin Hypercubes, Levi Neiburger

Theses and Dissertations

Let [n] = {1, ..., n}. A hypercube H of order n and dimension d is a d-dimensional array whose nᵈ cells are indexed by [n]ᵈ. A hyperplane in H is obtained by fixing one coordinate, while allowing the remaining d–1 coordinates to vary. We wish to color each cell of H from a palette of n^d-1 colors such that each hyperplane is polychromatic.

Our main result is the following. Let n be sufficiently large. There exists a symmetric coloring of the d-dimensional hypercubes of order n whose all hyperplanes are polychromatic if and only if: …

Cover Crop Effects On Soil Porewater Nutrients And Hydrothermal Properties, Md Mahadi Hasan

Theses and Dissertations

Adoption of winter cover crops in the U.S. Midwest may reduce nitrogen (N) and phosphorus (P) leaching from soils, potentially shrinking the hypoxic zone by limiting nutrient runoff into the Gulf of Mexico. To evaluate the impact of selected winter cover crops on soil porewater N and P concentration, a field study was conducted at the Illinois State University Research Farm (ISURF) and the Western Illinois University Research Farm (WIURF). The experimental design was a block experiment with four replications.  Cover crop treatments included a winter fallow, wild pennycress (WPC), golden pennycress (GPC), cereal rye (CR), annual ryegrass (AR), and …

From Deference To Dialogue: How International Gtas From High Power Distance Cultures Adapt To U.S. Classroom Dynamics, Deborah Akua Afi Appiah

Theses and Dissertations

International graduate teaching assistants (GTAs) from high power distance cultures play a significant role in undergraduate education at U.S. universities, yet they face challenges that go well beyond language proficiency. Coming from educational backgrounds where teacher authority is unquestioned and hierarchical, these GTAs must navigate American classrooms that operate on fundamentally different assumptions, where authority is earned rather than assumed, informality is the norm, and students expect to question, negotiate, and be personally known by their instructors. The present study examined how eighteen (18) international GTAs from seven (7) high power distance countries perceived and adapted to these differences while …

Predicting Job Performance: The Incremental Validity Of Cognitive Reflection Tests Over General Cognitive Ability And Conscientiousness., Olivia Earll

Theses and Dissertations

Cognitive reflection is the ability to suppress intuitive thinking (Type 1) in favor of deliberative, analytical thought (Type 2). This study investigated cognitive reflection as a predictor of supervisor-rated job performance, exploring its incremental validity over general cognitive ability and conscientiousness. Results indicated that all three variables positively predicted job performance, with cognitive reflection explaining a significant, unique portion of the variance. Exploratory analyses confirmed that this predictive validity remained consistent across industry, age, and sex. Furthermore, cognitive reflection significantly moderated the relationship between general cognitive ability and job performance. These findings highlight the value of deliberative reasoning as a …

Data Defines Success: Algorithm For Dataset Quality Assessment In Deep Learning For Malware Detection, Matei Ionescu

Theses and Dissertations

The field of artificial intelligence is based upon the premise of constructing architectures through which to propagate training data. However, the majority of existing research literature is focused on architecture. While necessary, the attention devoted to the architecture should not so precipitously exceed that of the data. It should be noted that this disparity is not without reasonable cause. Data quality is often exceedingly difficult to verify due to particularities of the field or subfield; LLM repositories of text are distinct from image recognition pictures of dog breeds which are distinct from EEG waveforms of human brains which are distinct …

Rhetoric Of Realignment: An Analysis Of Trump's 2024 Campaign Rhetoric, David Valadez

Theses and Dissertations

When political coalitions include groups with opposing policy goals, leaders face a challenge: satisfying all constituencies without making commitments that alienate essential supporters. The present study examines strategic ambiguity in the form of deliberately vague political messaging as a tool for managing this challenge. Combining rhetorical analysis with selectorate theory, which explains how leaders achieve and maintain power through reward distribution, the research analyzes Donald Trump’s 2024 Republican National Convention acceptance speech, focusing on immigration rhetoric.

The analysis reveals that Trump’s ambiguity was selective rather than habitual. On immigration, where tech/corporate interests wanting skilled workers clashed with nationalist groups demanding …

Staff Attitudes Toward Ai Adoption At A Private Research University, Ashley C. Smith

Theses and Dissertations

This study addresses the limited research on university staff attitudes toward artificial intelligence use and adoption. Using the Unified Theory of Acceptance and Use of Technology (UTAUT) research framework, the General Attitudes towards Artificial Intelligence Scale (GAAIS), and quantitative survey methodology, the study examines the attitudes of higher education staff toward AI, specifically examining whether demographic or professional characteristics are factors. The findings indicate that staff had moderately negative attitudes toward AI while also expressing some concerns. The results suggest that more resources and support for AI are needed for staff to address concerns. It also suggests that construct-level analysis …

Middle School Students' Initial Ideas And Their Connections In Proportion Word Problems, Carrie Ann Lawton

Theses and Dissertations

In this dissertation study, I sought to identify the initial ideas that middle school students had when approaching Multiple Batches and Variable Parts proportion word problems, as well as the connections they made among those initial ideas. I conducted semi-structured individual and paired interviews with 13 sixth- and seventh-grade students at the end of their school year. I then used the Knowledge-in-Pieces theoretical perspective to identify knowledge resources that the participants accessed when approaching the tasks, prior to any intervention on my part.

Through my analysis, I identified 18 initial ideas that the middle school students employed when solving the …

First- And Second-Generation Immigrant Emerging Adults’ Career Aspirations, Laura A. Botros

Theses and Dissertations

Despite first- and second-generation immigrants making up 19.6% of the U.S. workforce (U.S. Bureau of Labor Statistics, 2024), research exploring their career aspirations is scarce. Studies show that individuals’ cultural backgrounds significantly shape first- and second-generation immigrants' career aspirations, values, and professional goals (Kao, 2004; Polenova et al., 2017). The purpose of the study is to examine how first- and second-generation immigrant emerging adults' cultural backgrounds inform their career aspirations. I utilized a qualitative approach by asking participants about their cultural background, career aspirations, and what influenced their career aspirations. Interviews and a cognitive map activity were conducted to investigate …

"I Didn't Teach It Again Because It Wasn't Worth It": How Grades 6-12 English Language Arts Teachers Select Texts And Navigate The Obstacles That Impede Them, Steve Poggendorf

Theses and Dissertations

Classroom texts not only function as tools through which teachers can build curricula, but they can also engage and empower learners. Despite the importance of engaging texts in the classroom, teachers encounter obstacles, both social and institutional, that impede their ability to select the texts they believe will best foster student engagement and empowerment. The purpose of this qualitative study was to investigate how teachers make text selections, as well as the nature of the obstacles that stand in the way of teachers who hope to inspire and engage their students through lessons built around texts of their choosing. The …

Digital Docent: An Analysis Of Accessibility In The Digital Music Space, Erin L. Fowler

Theses and Dissertations

The world is constantly changing and growing, most often seen through advances in technology. When it comes to the world of music, the same can be said, and digitization of musical material is moving at a faster rate than ever before. With the influence that music has on society and considering new ways of making music more accessible to the general public through the public-facing museum format, I wanted to examine how digital music museum exhibits and experiences can be made accessible and if it is possible to fully represent what an in-person exhibit can offer. In 2010, Smithsonian created …

Evaluating Rate Of Perceived Exertion And Heart Rate In High School Weight Training Students For Assessing, Enhancing, And Maintaining Health-Related Fitness, Nicholas Searcy

Theses and Dissertations

This mixed-methods study evaluated the relationship between rating of perceived exertion (RPE) and heart rate (HR) among high school weight-training students during circuit training sessions. The purpose of this study was to determine whether RPE could serve as a practical method for gauging moderate to vigorous physical activity (MVPA) among high school weight-training students while allowing students to assess and enhance their health-related components of fitness. Participants were high school students enrolled in weight-training classes who completed upper- and lower-body circuit training sessions over a 4-week period, or a total of 16 school days. RPE was self-reported using Borg’s CR10 …

Determining Knowledge Gaps In Natural Disaster Preparedness: An Exploratory Analysis Of Socioeconomic Variables And Response Quality, Michelle S. Repass

Theses and Dissertations

This exploratory study examines potential knowledge gaps in natural disaster preparedness across socioeconomic groups in Lee County, Alabama and identifies communication barriers affecting response behavior through the lens of the knowledge gap hypothesis. Survey data from 20 residents were analyzed using an objective socioeconomic status (OSES) score based on household income and highest level of education. Results indicate that while most respondents reported access to weather alerts and favorable behavioral responses that align with current guidelines from the National Weather Service, gaps are present in comprehension, response timing, and engagement in risky behavior that could delay protective action. Findings suggest …

Machine Learning For Predicting Prosthetic Limb Movements, Jessica Alexandra Cegarra Arraiz

Theses and Dissertations

This thesis develops and evaluates a deep learning-based prediction model capable of identifying intended limb movement from surfaced electromyography (sEMG) signals using sequence learning techniques. sEMG signals change over time due to multiple factors such as muscle fatigue or user variability. Traditional prosthetics control methods rely on static feature extraction, ignoring how signals change over time, thereby limiting their ability to capture the temporal changes of muscle activity. As a result, these approaches often lead to poor accuracy, robustness, and generalization. Limited experimental validation has been conducted on sequence-based machine learning approaches using temporal sEMG data from publicly available datasets …

Representation In Black Media And How It Affects Generational Mental Health, Amiya Smith

Theses and Dissertations

This article examines how negative media portrayals of Black Americans have harmed their mental health. It traces the impact of persistent stereotypes and the lack of recognition for Black achievements in the media. Each chapter explores how media—from social media to movies—reinforces outdated stereotypes originating in the antebellum era and discusses how Black Americans have challenged these narratives to assert their identity. The article also highlights positive shifts in representation within the media industry, as well as research on how racial discrimination and media depictions influence the mental health and self-esteem of Black adolescents.

Evaluating Hybrid Quantum-Classical Models For Image Classification In The Nisq Era, Utku Binkanat

Theses and Dissertations

This thesis presents a systematic empirical evaluation of quantum machine learning performance under noisy intermediate-scale quantum (NISQ) era constraints. Through 670 controlled experiments, it evaluated quantum kernel support vector machines and variational quantum classifiers against classical baselines on MNIST binary and multiclass classification tasks with systematic variation of problem difficulty, feature dimensionality (4, 8 qubits), and training set size (n ∈{100, 250, 400, 500, 2000, 4000}). Statistical rigor was ensured through five random seeds per condition and comprehensive significance testing. During the testing with binary datasets, classical methods (SVM, logistic regression, k-NN, neural networks) achieved 85.9% to 99.6% accuracy with …

Ai And Its Impacts On Modern Theatre, Micaiah J. Byrd

Theses and Dissertations

What do you think of when you type a question into a search engine, and the “AI Overview” pops up without your having to request it? What may happen if theatre students and theatre industry professionals have that same ability to type in a prompt into an AI generator, and it has the ability to produce an output of a theatrical design concept with that same level of ease. Is this even possible with the programs that we have now, or could it be anticipated that this could be possible in the future. Would this be a benefit or would …

Affects Of Ai In The Arts, Carolina D. Maldonado Faria

Theses and Dissertations

Art is an essential part of society, shaping culture, communication, and the digital world through forms such as music, writing, film, and animation. However, the rise of Artificial Intelligence (AI) has created conflict in the creative industry. Many AI systems are trained using artists’ works without consent, raising concerns about copyright infringement, intellectual property theft, and the loss of artistic value. While AI was originally intended as a tool for innovation, it now threatens artists’ careers and profits by imitating human creativity. This issue highlights the need for ethical regulations, stronger copyright protections, and fair compensation systems so AI and …