Digital Commons Network^™

Migration And The Life Course: A Case Study Of African Female International Graduate Students At Illinois State University., Vivian Yawson

Theses and Dissertations

The number of graduate and undergraduate students from Africa in the United States (US) is rapidly increasing as Sub-Saharan Africans are among the fastest-growing foreign-born population in the US. Migration represents a significant turning point in individuals’ lives. Despite the growing body of research on international students in the US, there remains a gap in understanding the educational experiences of African students from a life course perspective. This study seeks to address this gap by examining student migration through the lens of the life course framework, leveraging current trends and patterns in international migration. Drawing on qualitative techniques, specifically narrative …

School Psychologist's Tiered Social-Emotional Recommendations In Response To Data Gathered From Social-Emotional Screening, Audrey Anita Andersen

Theses and Dissertations

Universal school-wide social-emotional screeners identify at-risk students with social-emotional behavior problems (Romer et al., 2020). Identifying such students alone cannot prevent these social, emotional, and behavioral concerns from becoming problematic. However, data gathered from social-emotional screening can guide the development of strategies, supports, interventions, and progress monitoring students at risk across all tiers (Yates et al., 2008), leading to the prevention of social-emotional and behavioral problems from turning maladaptive (Humphrey & Wigelsworth, 2016; Walker et al., 2004). A school district in the Mountain West area of the United States developed a screening survey that addresses school climate, culture, and connectedness …

Who Will Save Diversity? Ethics And Effectiveness In Equity, Diversity, And Inclusion Implementation, Ebuka Okoli

Theses and Dissertations

The Supreme Court of the United States decision on race-based affirmative action policies in higher education has impacted equity, diversity and inclusion (EDI) programs in higher education institutions (Gonzales, 2023; Singh, 2023; Opie & Washington, 2023). This study explores the challenges higher education institutions face when communicating and implementing EDI programs. Other studies have shown that diversity programs can be developed using ethical frameworks (van Dijk et al., 2012; Gotsis & Kortezi, 2013; Wallace et al., 2014). This study examined if ethical frameworks like deontology, utilitarianism, virtue ethics, and ethics of care are adopted in diversity programs of higher education …

Polyphony: Multitudes Of Vietnamese National Identity Through Experiential Documentation Of Marketplaces, Jade Nguyen

Theses and Dissertations

The exhibition Polyphony brings together photographs from Trades of the Street and Commere(d) Culture, two documentary series portraying Vietnamese marketplaces and businesses across multiple cities in Việt Nam and the United States respectively to provide a cross-cultural and multisensorial perspective on how commercial practices and establishments represent Vietnamese culture and national identity. The market provides insights into Việt Nam’s multilayered history, struggles, ways of living, sense of community, and its vibrant soul and culture. The combination of these two series and the sequencing of the exhibition utilizes the relational nature of photography, which allows new meaning to emerge from a …

With Love & Rage: A Self Portrait Of Borderline Personality Disorder, Sarah Eckstine

Theses and Dissertations

With Love & Rage: A Self Portrait of Borderline Personality Disorder analyses how I use the act of taking self portraits to materialize emotions through photographic means. When I experience intense emotions symptomatic of borderline personality disorder, positive or negative, their onset is routinely sudden and overwhelming; what follows is an impulsive desire to photograph myself to archive the present before the emotions shift or return to stable levels.The Rage images document the emotional aftermath of a sexual assault and rape; anger and depression, by using a red-scale film to emphasize both confrontational and dissociated body language. The Love images …

Gt-Ches And Dycon: Improved Classification For Human Evolutionary Systems, Joseph S. Johnson

Theses and Dissertations

The purpose of this work is to rethink the process of learning in human evolutionary systems. We take a sober look at how game theory, network theory, and chaos theory pertain specifically to the modeling, data, and training components of generalization in human systems. The value of our research is three-fold. First, our work is a direct approach to align machine learning generalization with core behavioral theories. We made our best effort to directly reconcile the axioms of these heretofore incompatible disciplines -- rather than moving from AI/ML towards the behavioral theories while building exclusively on AI/ML intuition. Second, this …

Development Of N-H N-Heterocyclic Carbene Pd Catalysts For Cross-Coupling Reactions In Organic Synthesis, Rachel Nicole Owens

Theses and Dissertations

The use of N-H N heterocyclic carbene ligands (NHC's) in organometallic chemistry has become a field of interest due to their unique properties that lead to new and interesting reactivity. The hydrogen on the nitrogen of the NHC can be deprotonated, creating an anionic species, or it can participate in hydrogen-bonding with different substrates. In this work we will explore the unique reactivity of N-H NHC palladium complexes in different cross coupling reactions, including the Suzuki-Miyaura and Heck reactions. Our work demonstrates that N-H NHC complexes of palladium can be accessed from 2-phosphinoimidazole ligands via non-oxidative insertion of the palladium …

Preventing Orthopedic Implant Associated Biofilm Infections Using Transition Metal Complex Laminated Bioactive Implants, Sowndarya J

Theses and Dissertations

Orthopedic implants are medical devices employed to repair the damaged structure and function of an injured musculoskeletal system. It helps millions of people suffering from bone fractures and arthroplasty. The increased use of orthopedic implants has given rise to implant-associated biofilm infections. Biofilm-mediated Implant-associated osteomyelitis (IAO) is a major concern in the medical field, wherein the treatment involves debridement, administration of antibiotics and removal of implants leading to increased cost of treatment.

The keystone bacterial pathogens involved in orthopedic implant-associated infections are Staphylococcus aureus and Acinetobacter baumannii which are members of the ESKAPE pathogens. A. baumannii has gained resistance against …

The Effects Of Diesel Exhaust Particle Exposure On Adipos Mitochondrial Bioenergetics And Inflammation, Cali Elizabeth Warren

Theses and Dissertations

Fine particulate matter (PM2.5) constitutes a significant component of ambient air pollution that has been implicated in the pathogenesis of metabolic disorders, including insulin resistance and type 2 diabetes. Among PM2.5 constituents, diesel exhaust particles (DEP) are prevalent particulates that infiltrate the bloodstream to drive systemic pathologies. The purpose of this study was to characterize the metabolic response of adipose tissue to DEP. We aimed to provide a comprehensive understanding by exploring mitochondrial bioenergetics, characterizing the inflammatory marker profile, including adipokines, and conducting a detailed histological analysis of adipocytes to provide valuable insights to the evolving understanding of the intricate …

A Global Health Crisis And Its Effects On Teaching Online At A Midwestern Institution, Kari Mcmullen

Theses and Dissertations

This study examined faculty experiences and perceptions regarding online education during the COVID-19 global health crisis. An online survey was assessed for content validity using a team of faculty experts in online teaching and learning. It was administered to a convenience sample of faculty at a Midwestern university. Of the 963 faculty who were surveyed, 98 returned the survey, a return rate of about 10%. The analysis of faculty experiences indicated that faculty adopted new pedagogical practices into their curriculum, specifically problem-based (18.37%) and self-paced learning (5.31%). Additionally, faculty adjusted assessments (42.86%), modified instruction (39.80%), and changed assignment due dates …

Programs And Services That Contribute To African-American Males' Academic Success At Predominantly White Institutions, Aaron Posey

Theses and Dissertations

This dissertation shines a light on the indomitable spirit of African American male students, who exhibit remarkable resilience despite facing persistent challenges such as underrepresentation, academic underachievement, and racial and socioeconomic disparities. It delves into the critical role of programs and services in promoting academic success at Predominantly White Institutions (PWIs). The study explores how targeted institutional support mechanisms can further bolster their retention, engagement, and graduation rates. It conducts a comprehensive review of existing literature and a quantitative analysis of survey data collected from students at Midwestern PWI to understand the key factors influencing their academic journeys. The research …

Development Of Bifunctional Peptides As Scaffolds For Bifunctional Catalysis And A Novel Method Of Peptide Stapling Using Squaric Esters, Adam X. Wayment

Theses and Dissertations

Enzymes are some of nature's most powerful tools in chemical processes. However, their molecular complexity makes them difficult to synthesize and complicates their application in traditional organic synthesis. Peptides, a building block of enzymes, can be rapidly synthesized and have been used as a possible alternative in achieving enzyme-like catalysis. However, most peptide-based catalysts are limited in reaction-scope and are unable to incorporate traditional organic catalysts. We have designed a helical peptide scaffold capable of being functionalized with a wide variety of organocatalysts as well as transition-metal based catalysts. In order to understand how the peptide structure effects reactivity and …

Using Eye-Tracking To Examine How Chinese Foreign Language Learners Attend To Chinese Radicals, Yi Hsuan Lin

Theses and Dissertations

This study utilized eye-tracking to investigate 63 intermediate-level university Chinese foreign language (CFL) learners' real-time radical preferences. Radicals are components of Chinese characters and give clues to the meanings and pronunciations of the character. This study aimed to answer the following research questions: (1) What type of radicals (semantic/phonetic) do CFL readers most rely on when reading characters? (2) Does reliance on one type of radical (semantic/phonetic) correlate with accuracy in character recognition? (3) Does awareness of semantic/phonetic radicals affect the accuracy of character recognition or reliance on radicals in real-time processing? The results found that participants demonstrated a phonetic …

Ecological Drivers Of Plasticity And Parental Care In Poison Frogs, Olivia Brooks

Theses and Dissertations

Parents increase their offspring fitness prospects by providing care, but at the cost of lost current or future reproductive opportunities. Parents often rear multiple offspring simultaneously, and because parents cannot supply unlimited care to their offspring, parents benefit from distributing resources non-randomly within a brood. Having access to information that helps inform allocation decisions can be valuable to parents, and parents may use a variety of information types that are either intrinsic or extrinsic to the offspring to help inform these decisions. Here, I explore the types of information that parents use when allocating resources within broods, and I explore …

Differences In Presenting Concerns Of Anxiety Amongst Students In College Counseling Centers Across The United States, Julia Brim

Theses and Dissertations

Anxiety is one of the most common mental health disorders in the U.S. and is becoming increasingly common and problematic for college students across the country. Building on research conducted at single universities, we used a large national data set from the Center for Collegiate Mental Health (CCMH) and compared self-reported levels of anxiety amongst various groups of college students across the U.S., as well as the prevalence of comorbidity between anxiety reported on the generalized anxiety subscale of the Counseling Center Assessment of Psychological Symptoms (CCAPS) and other mental health concerns. We found that a number of self-reported variables …

The Debt Within Arkansas: The Impact Of Debt In Reconstruction Era Arkansas, 1862-1868, Jerry Dale Griffin

Theses and Dissertations

Debt was a reoccurring and prominent issue for the lives of Arkansans during the time of Reconstruction, 1862-1874. This thesis is set to help open up and add to the discourse specifically into the history and impact of debt for Arkansas during Reconstruction so as to give a clearer understanding of what the effects of Reconstruction were for Arkansas. The specific primary source data is from microfilm collections with varying amounts of information per county and per year and as such the counties with the most amount of data and consistent amount of years recorded were used. The locations of …

Racial/Ethnic Differences In The Effects Of Adverse Childhood Experiences On Suicidal Thoughts And Behaviors Among Youth, Lorres Wan Cheung Jensen

Theses and Dissertations

Previous studies have examined the effects of adverse childhood experiences (ACEs) on various health, well-being, and life outcomes, including suicidal thoughts and behaviors. However, considerably less studies have investigated whether the relationships between ACEs and suicidal thoughts and behaviors vary by race/ethnicity among adolescents. Therefore, this study's purpose is twofold: 1) Is there an association between ACEs and adolescent suicidal thoughts and behaviors? 2) If so, to what extent do these relationships vary across race/ethnicity? Utilizing the 2022 Florida Youth Substance Abuse Survey, methods of logistic regression modeling and categorical-categorical interactions were employed to answer these two questions. Results indicated …

Understanding Student Perceptions Of A High School Wellness Center: An Interpretive Phenomenological Analysis Qualitative Study, Devan Audrey Clayton

Theses and Dissertations

Adolescents face many challenges at home and at school which impact various areas of their lives, including their academics. Schools have worked to ensure better student mental health outcomes by hiring school counselors, school psychologists, and school social workers. School wellness centers can be an additional resource that students utilize to address mental health challenges during their school day. The purpose of this study is to understand adolescent perceptions of a school-based wellness center. Perceptions of populations who utilize the wellness center and those who do not utilize the wellness center were studied within one high school to understand how …

The Impact Of Applied Mental Health Classes On Eudaimonia, Gratitude, And Heart Rate Variability, Derek Charles Bartlett

Theses and Dissertations

Rates of depression, anxiety, and stress have been increasing and college students are especially at risk. College counseling centers often have long waitlists and have difficulty addressing the growing need for psychotherapy. Researchers have suggested that depression and anxiety may arise because of low levels of eudaimonia and self-compassion. Depression and anxiety not only have a toll on mental health but on physical health as well, as researchers have observed decreased HRV in individuals with depression and anxiety. To address the disparity between available resources and treatment need, applied mental health classes were developed to see if teaching psychotherapeutic principles …

What Special Education Teachers Need To Remain: A Qualitative Study, Corey Michael Sharp

Theses and Dissertations

The persistent challenge of teacher attrition, particularly in special education positions, is examined within the context of the East Dillon School District in Dillon, IL. Despite efforts to recruit and retain special education teachers, vacancies remain unfilled, leading to a disruption to the educational experiences of students with disabilities and the practice of special education teachers lacking training and support. This phenomenological qualitative research study examined the experiences of six special education teachers at Lion Middle School. Using Job Embeddedness Theory, Ethics of Care, and Aptitude-Treatment Interaction Theory as the conceptual framework, this study sought to provide the training and …

A Poetics Of Entanglement: The Enmeshed Creation Of Interrogative Space, Phil Spotswood

Theses and Dissertations

This dissertation theorizes and deploys a poetics of entanglement as a creative practice for questioning relationality and its role in meaning-making. The dissertation includes a critical preface that explores a poetics of entanglement by analyzing poetry by gay cis male US poets whose work is thematically linked by their creative disruptions of the feeling of shame. The dissertation’s creative chapter is a collection of original poems titled It Bears Repeating; the poems deploy a poetics of entanglement to open questions in the shamed body. The dissertation concludes with considerations for how a poetics of entanglement might be taught to undergraduate …

Measuring The Effects Of Selective And Divided Attention Conditions On Language Production: Comparing Across Age Groups For Aphasia Assessment, Emily Mcdonald

Theses and Dissertations

This study was divided into two parts. Study 1 examined the spoken language production of neurologically healthy adults (NHA) in selective and divided attention conditions during a story retell task. NHA participant groups consisted of 21 younger (26–54), 19 older (55–69), and 20 elderly (70–85) adults. Study 2 investigated how the language production of four people with aphasia (PWA) compared to their respective NHA group. All participants retold stories in a silent baseline condition, three background noise conditions (cocktail party, conversation, phone call), and one dual-task condition (tone discrimination). Language production measures (speech rate, disfluent verbalizations, language efficiency, lexical diversity, …

Characterization Of An Omega Type Bi-Anisotropic Material, Moriel Gindi

Theses and Dissertations

A theory is presented for the extraction of the complete set of material parameters for a bi-anisotropic sample consisting of conductive omega-type particles governed by the mm21′ point-group symmetry. A rectangular-to-square wave-guide can be used to obtain the required measurements by allowing three distinct orientations of the material. The focus of this work is to develop the appropriate theory detailing the derivation of how the material parameters are extracted from the measurements in an analytical methodology that is similar in manner to the well-known Nicolson-Ross-Weir (NRW) algorithm.

Measuring The Presentation Of Supporting Content For A Set Of Learning Objectives Throughout The States Of An Educational Game Tree, Michael L. Hastriter Jr.

Theses and Dissertations

In an era of evolving warfare, the Department of Defense (DoD) recognizes the value of serious games as immersive tools for teaching critical concepts. This thesis introduces a pioneering framework tailored to enhance learning objectives through the presentation of educational game content. This addresses the unique needs of the DoD and other educators who use games by providing measurements to assess educational games. This researches investigates how instructors might assess games as potential teaching tools. It establishes a five-phase process, providing a framework to assess educational games against predefined learning objectives and informing future game development. This thesis demonstrates games …

Optimizing Deployment Kit, Introducing Acceptance Threshold, Saleh A. Alshuhri

Theses and Dissertations

This article addresses the optimization of a specialized deployment kit crucial for air force operations, emphasizing the need for rapid and efficient aircraft deployment. Through a comprehensive analysis of historical data, the study aims to streamline the kit's contents without compromising effectiveness. The research suggests a potential reduction of 7.8%, with an impressive 60.5% decrease if a minimal 5% threshold is deemed acceptable. While the primary focus is on air force deployment, the broader implications extend to military entities, such as armies and navies, highlighting the applicability of the findings in enhancing deployment efficiency across various defense sectors.

Techniques For Addressing Extreme Class Imbalance For Artificial Neural Networks Training, Colin W. Foley

Theses and Dissertations

This research examined the class imbalance problem while training convolutional neural networks (CNN) by applying different techniques to combat this common issue. This research used a modified CIFAR-10 dataset along with a curated aerial image dataset. Methods covered included undersampling, oversampling, synthetic minority oversampling technique, Edited Nearest Neighbors and combinations of the aforementioned methods. This research found that undersampling methods tended to outperform oversampling methods. While undersampling methods showed a decrease in overall accuracy, the increase in minority class prediction performance was promising enough to warrant further investigation.

The Use Of Deep Learning And Transfer Learning In Complex Problems, Jacob S. Lang

Theses and Dissertations

Deep neural networks and transfer learning show potential in addressing complex problems such as the Tower of Hanoi and knapsack problems. The primary aim is to examine how the use of deep neural networks and transfer learning can enhance the ability of artificial learning systems to generalize. Transfer learning plays a crucial role in machine learning, particularly in the domain of artificial neural networks, as it helps overcome the challenges associated with limited data, computational efficiency, and generalization. The methodology used in this research involves the creation of data sets for the Tower of Hanoi and knapsack problems. To predict …

Measuring The Comparative Performance Of Usaf Behavioral Health Clinic Operations: Emphasis On Capacity, Daniel L. Straw

Theses and Dissertations

This research examines the operations of behavioral health clinics in Air Force Continental United States facilities, with a focus on operational efficiency and capacity through Data Envelopment Analysis. Most facilities operate near capacity, demonstrating efficient resource usage, but concerns arise with the potential of increased demand. Days-to-care and leakage are identified as major sources of inefficiency, suggesting that addressing these issues can enhance operations and reduce costs. The study also explores the impact of COVID-19 on care delivery.

Evaluating United States Air Force Installation Water Security, Michael L. Berg

Theses and Dissertations

Water shortage at Mountain Home Air Force Base in the last decade ignited the need for an assessment of relative water security risk across United States Air Force installations. Current evaluation methods often differ from actual conditions suggesting a need to categorize security across the enterprise for multiple discrete locations. Indicator-based approaches for characterizing water security are common in academic literature but have little methodological consensus and have rarely been applied to discrete areas spread across geographically separated locations with diverse climates. Using a two-stage analytical hierarchy process and normalized utility functions, water security at 30 installations across the continental …

Artificial Intelligence And Perception: An Empirical Study, Anthony J. Neil

Theses and Dissertations

This thesis investigates the impact of adjusting artificial intelligence explainability levels’ outputs on user perception. The overarching study extends within the Explainable Artificial Intelligence (XAI) domain. It examines a spectrum of variables, including performance, cognizance, familiarity, transparency, system bias, and the overall impact of AI, to understand their collective and individual effects that enable effective professional use in an organization. The study aims to illuminate the relationship between the degree of explainability provided by large language models such as ChatGPT, Bard, and Bing AI and the performance of these models when tasked with XAI adjustments.