Digital Commons Network^™

Rethinking Pilot Retention In The United States: An Analysis Of Key Factors, Michael James Hickey

Theses and Dissertations

This thesis examined pilot retention challenges in U.S. regional and low-cost carriers (LCCs), focusing on nonfinancial incentives such as quality of life, career stability, and work-life balance, which may have a greater influence on retention than traditional financial incentives. This quantitative, survey-based approach assesses how pilots rank the factors that influence their retention. Using a sample of U.S.-based pilots, the study examines six key areas adapted from a European pilot retention framework. Statistical analyses, including the Friedman test, the Mann-Whitney U test, and the Kruskal-Wallis test, identified correlations between demographic variables and retention priorities. The inherent financial constraints of regional …

The Ability Of The Millon Pre-Adolescent Clinical Inventory (M-Paci) To Distinguish Between Adhd And Non-Adhd Clinical Groups, Michael Jowkar

Theses and Dissertations

The M-PACI is a personality scale based on Millon’s biosocial personality theory designed to measure emerging personality patterns in pre-adolescents (9-12 years old). There is minimal published research on this inventory, particularly in clinical contexts. For this study, we used a data set collected at a Midwestern private practice clinic where children are assessed for ADHD and learning disabilities. This study looks at how those diagnosed with ADHD differ in emerging personality patterns and current clinical signs scales compared to those in a clinical sample who have not been diagnosed with ADHD. Some studies have shown differences between children diagnosed …

Perceptions Of Emotional Abuse As A Partial Function Of The Abuser-Victim Gender Dyad, Kaitlyn Kidder

Theses and Dissertations

Emotional abuse affects approximately half of people in an intimate relationship, yet it is often not considered intimate partner violence (IPV) on its own (Dokkedahl et al., 2022; Leemis et al., 2022). Despite the prevalence, there is a lack of consistency on the definition of emotional abuse and IPV as well as a lack of clarity of what acts qualify for these terms. Past research has largely focused on IPV, specifically physical or sexual abuse, in heterosexual relationships with a male perpetrator and female victim. Few studies have explored the interactions of the gender of the victim and perpetrator in …

An Intersectional Exploration And Analogue Investigation Of Transgender And Gender Diverse Bi+ Women’S Preferences For Sexual Violence Vulnerability Reduction Interventions, Sara K. Kuhn

Theses and Dissertations

Transgender and gender diverse (TGD) bisexual+ (bi+, e.g., pansexual, polysexual) women disproportionately experience sexual violence victimization and their acceptability of applicable interventions is under-researched. Online self-report data was collected from 240 ethnoracially diverse bi+ adult American women, who identified as TGD (n = 69) or cisgender (cis; n = 171), and who read standardized descriptions of interventions. TGD bi+ women found intervention descriptions inclusive of their sexual and gender identities—and those including in-person active resistance strategy instruction (bystander/self-defense)—more acceptable. Intervention descriptions with alcohol use and/or sexual activity reduction components were largely found to be less acceptable. Intervention elements of importance …

A Phenomenological Study Of The Motivations, Persistence And Challenges Of African Immigrant Adult Learners In Community Colleges In Minnesota, Saah Jackson Delu Kpakar

Theses and Dissertations

African Immigrant Adult Learners (AIAL) are considered an exclusive demographic group who left Africa and obtained permanent residency in the United States. They experience a wide range of challenges in their quest for postsecondary education, which impact their access, persistence, and academic success. The purpose of this qualitative study based on a phenomenological approach was to explore the factors that motivate African Immigrant Adult Learners and enable them to persist and remain resilient in their pursuit of higher education at community colleges in Minnesota. The theories that guided this research are the Self-Determination Theory (SDT) and Schlossberg’s Transition Theory (STT). …

Student Participation In Informal Resolution: Examination Of Impact Factors On Recidivism And Student Perceptions Of Institutional Care And Fairness, Linnea Rose Nelson

Theses and Dissertations

This exploratory case study, conducted at the University of North Dakota (UND), examined factors influencing recidivism and student perceptions of institutional care and fairness among participants in the piloted Informal Resolution (IR) option. A restorative justice (RJ)-informed alternative to the traditional student conduct process, the IR is offered to students charged with first-time, low-level violations of UND’s code of conduct. This study aimed not only to evaluate the new process but also to respond to recent calls from scholars and practitioners for more extensive research on the intersection of RJ and student conduct outcomes. Sherman’s (1993) defiance theory provided the …

Using Machine Learning To Investigate Weather Impacts On Crop Yield For Probabilistic, Climate-Informed Predictive Crop Breeding, Levi Newell

Theses and Dissertations

As the world’s population continues to grow, the importance of food security willonly continue to increase, with some estimates requiring a global increase in food production between 59 and 98% by 2050. The agriculture industry is also a crucial economic driver, with the industry supporting 20% of the state of North Dakota’s workforce, and with a total valuation of $41.3 billion. The economic importance of this industry and the challenges of future growth prompt a need for data driven decision making into the future, particularly with predictive crop breeding. This is the method by which crops are developed that are …

The Effect Of Salaciousness, Consistency, And Timing Of Disclosure On Alibi Believability In The Eyes Of A Jury, Jasper Allen Schmidtwood

Theses and Dissertations

Past research indicates a prevalent distrust of alibi evidence, coined by Olson and Wells (2004) as the alibi skepticism hypothesis. This inherent distrust prompts inquiries into the factors that enhance or undermine the credibility of alibi evidence in a trial. Utilizing attribution theory (Allison et al., 2012; Weiner, 2010), this study investigates the elements contributing to the believability of alibi statements, specifically the impact of alibi consistency, timing of disclosure, and the salaciousness of the alibi statement on jurors' perceptions of the defendant's character. Participants were randomly assigned to one of twelve conditions and read a mock trial summary that …

Speech-Language Pathology Graduate Programs: What Influences Students To Apply?, Emily Stephens

Theses and Dissertations

Speech-Language Pathologists (SLPs) are licensed professionals trained to work with various age ranges who have communication, feeding, and/or swallowing difficulties. The entry level education for an SLP to actively practice is a master’s degree. To fill the many vacant and needed SLP jobs across the country, it is necessary for SLP master’s programs to admit highly qualified students into their programs, resulting in many competent SLPs entering the workforce to fill the current job openings. Minot State University’s SLP master’s program has experienced a significant decline in graduate applications over the past decade. There is limited research specific to the …

Walk This Way: Effects Of Eyewitness Identification Factors And The Featural Justification Effect On Mock-Juror Decision-Making, Lauren Nicole Stornelli

Theses and Dissertations

Surveillance cameras serve many purposes, including security, monitoring, and investigating crimes. The presence of surveillance cameras allows for a new form of witness: a non-eyewitness, where crimes are captured by surveillance cameras without a physical witness present (Pezdek & Lerer, 2023a). As such, police officers are acting as eyewitnesses by identifying the perpetrator from the surveillance evidence and testifying about their identification at trial (Rumschik et al., 2020). Previous studies have examined participants’ ability to accurately match previously viewed faces with faces on surveillance evidence, with results suggesting accuracy rates around chance (e.g., Bruce et al., 2001; White et al., …

Birthing While Black: The Color Of Care And Black Women’S Lived Experiences Giving Birth In The United States, Portia Cowlings

Theses and Dissertations

Black women in the United States face disproportionate maternal health outcomes during pregnancy, childbirth, and postpartum compared to other racial and ethnic groups. Despite advancements in healthcare, the United States continues to report the highest maternal mortality rates among high-income developed nations, with Black women experiencing rates up to three times higher than their White counterparts. This phenomenological study explores the lived experiences of Black women in the United States to understand how they navigate the continuum of maternal healthcare, from preconception through postpartum. Guided by the social determinants of health (SDOH) theoretical framework, childbirth was examined through four interconnected …

A Comparison Of Involved And Uninvolved College Students' Stress And Coping During Covid-19, Abbie Alsene

Theses and Dissertations

In this study, I compare the stress and coping of involved students and uninvolved students at liberal arts colleges during COVID-19. The study seeks to understand if there are differences between the two student populations. Three research questions guide the study. First, how has COVID-19 affected the stress levels of involved students compared to uninvolved students at liberal arts colleges? Second, how do involved students cope with their stress related to COVID-19 compared to uninvolved students at liberal arts colleges? And lastly, what is the relationship between how involved college students view COVID-19 and their levels of stress in comparison …

From Uncertainty To Alignment: The Role Of Internal Public Relations In Supporting Employee Adjustment During Leadership Transitions, Margaret Ny Asare

Theses and Dissertations

Frequent leadership transitions in today’s organizations present complex challenges that disrupt employee engagement, productivity, and overall organizational stability. This study explores how internal public relations (iPR) functions as a strategic communication mechanism to support employee adjustment during these pivotal transitions. Drawing on Lewin’s change management model (CMM) and uncertainty reduction theory (URT), the research examines three interrelated areas: the impact of early internal communication on employee attitudes, the role of informal employee networks in fostering readiness, and the adaptation of communication strategies to align with incoming leadership styles.

Using qualitative methods, the study conducted semi-structured interviews with internal communication professionals …

Stimulating Focus And Calmness Through Soft Fabrication: A User-Centered Approach, Emmanuella A. Oku

Theses and Dissertations

This study explores the potential of active attention objects embedded with technologies such as LEDs to enhance focus and calmness in individuals with inattentive ADHD, particularly in classroom settings. Individuals with inattentive ADHD often struggle with irritability, stress, and panic attacks when exposed to external stimuli such as loud sounds, varying light intensities, strong smells, or physical sensations, which significantly hinders their ability to concentrate and remain composed. My literature review discovered a connection between an individual’s blinking pattern and their focus, and my work explores how to design active attention objects to engage with blinking as a focus tactic. …

“Don’T Panic, It’S Just Ai:” A Qualitative Study On Internal Communication Strategies For Managing Ai-Driven Change”, Edikan Nkanta

Theses and Dissertations

This qualitative study investigated how organizations utilize internal communication strategies to navigate AI-driven change effectively. Through semi-structured interviews with eleven communication professionals and change leaders across various industries, the research identified key communication approaches that facilitate successful AI implementation. Findings revealed three primary strategies: framing AI as a tool that enhances rather than replaces human capabilities, connecting AI initiatives to organizational purpose and business goals, and demonstrating practical use cases through concrete examples. The study also highlighted the importance of establishing clear guidelines for responsible AI use, making initial adoption optional rather than mandatory, and directly addressing job security concerns. …

Automorphism Groups Of N-Graded Vertex Algebras Associated With Cyclic Leibniz Algebras With Small Dimensions, Alexander M. Keene

Theses and Dissertations

A fundamental problem in the study of vertex (operator) algebras V is the determination of the group of (grading-preserving) N-graded vertex algebras associated with cyclic Leibniz algebras of dimensions 2 and 3 that were classified by C. Barnes, E. Martin, J. Service, and G. Yamskulna in [1].

In each case examined, investigation of the automorphism group relies on the key fact that the action of an automorphism σ is determined solely by its value at a single basis element b. Furthermore, we employ a result in [19] by H. Li and G. Yamskulna which states that we can determine the …

Neural Network Algorithm And Analysis For Multi-Label Ecg Data Classification, Akhil Raghava Kalal

Theses and Dissertations

Electrocardiogram (ECG) analysis is a fundamental diagnostic tool in cardiology, providing critical insights into cardiac function that directly impact patient care decisions and treatment outcomes. As healthcare systems face increasing demands, automated ECG interpretation using artificial intelligence offers promising solutions to improve diagnostic accuracy, reduce physicians workload, and enhance early detection of life threatening conditions.

This thesis compares two advanced deep learning architectures, CNN-GRU and Wide and Deep Transformer, for multi-label classification of 12-lead ECG data. Using data from the PhysioNet/Computing in Cardiology Challenge 2020, I evaluated both architectures across 27 different cardiac abnormalities. Results demonstrated that CNN-GRU architecture consistently …

The Impact Of Loss Function Topology On Gradient Descent, Robert B. Skudnig Jr.

Theses and Dissertations

Gradient descent is a popular optimization method that utilizes a model’s prediction error to iteratively improve its parameters for a given task. The functions that measure this error can be defined to align with the user’s goals and sometimes satisfy metric or norm properties. It is common for these functions to measure over Rn, but any differentiable space allows for gradient descent to occur. There has been some research investigating the influence of topological spaces on optimization methods, but it is a limited field of study. This thesis further explores this phenomenon by applying a transformation prediction model to multiple …

Investigation Of The Human Temporal Styloid Process As A Bony Indicator Of Speech, Sommer A. Martin

Theses and Dissertations

The temporal styloid process in humans serves as an attachment point for the styloglossus, stylohyoid, and stylopharyngeus, which are involved in tongue movement and deglutition. I hypothesized that the length of the ossified styloid process in humans is the result of selection for increased musculature that would support tongue movements involved in speech. This hypothesis assumes that the relative length of the ossified temporal styloid process is unique to humans. A comparative analysis of the presence or absence of the temporal styloid process was conducted on ten genera of Old-World primates, and it was found that the length of this …

A Phenomenological Look At Mental Blocks In Artistic Gymnastics, Lauren M. Rogers

Theses and Dissertations

Mental blocks are a poorly understood but pervasive and challenging phenomenon in artistic gymnastics that are characterized by a disconnect between the mind and body and an interference with athletes’ ability to physically perform previously automatic skills. This study used interpretive phenomenological analysis to explore the lived experiences of female D-I collegiate gymnasts in the United States who have struggled with mental blocks, examining the characteristics, causes, and management strategies through semi-structured interviews. Findings suggest that mental blocks are best understood on a spectrum and are difficult to attribute to a single cause as they often stem from a combination …

Centralized Deep Reinforcement Learning For Homogeneous Multi-Component Maintenance Optimization, Joseph W. Wittrock

Theses and Dissertations

This thesis explores an application of reinforcement learning (RL) in maintenance optimization. Recent advances in hardware-accelerated computation and deep learning have made RL a powerful tool for solving optimization problems which are too complex for traditional methods. Maintenance optimization involves improving the efficiency and effectiveness of maintenance activities through data-driven approaches, ultimately reducing costs and increasing asset availability. Making informed maintenance decisions is crucial to long-term sustainability.

A desirable maintenance policy maximizes a utility signal while minimizing the cost of maintenance. Techniques in sequential decision making such as dynamic programming (DP) and RL have found success in optimizing these maintenance …

Larval Environments Affect The Implementation Of The Sterile Insect Technique On Aedes Mosquitoes, Katherine G. Evans

Theses and Dissertations

Sterile Insect Technique (SIT) is an effective method for controlling pests and has been increasing in popularity to control Aedes mosquitoes. SIT involves inundating an area with sterilized male mosquitoes to reduce egg hatch and ultimately the number of wild adults. Previous research indicates that enacting mortality early in the larval life of Aedes mosquitoes can result in counter-productive effects, due to reduced competition among developing larvae. I hypothesize that the effectiveness of SIT at reducing adult populations is modified by densitydependent mortality and density-dependent growth among larvae. I performed two field-to-lab studies and developed an individual-based model to test …

Do You Hear It?: Perceptions Of A Vocational Calling And Retention Considerations For Student Affairs Professionals, Tim Holbrook

Theses and Dissertations

This phenomenological study examines the perceptions of student affairs professionals of their work as a job, career, or calling and how that perception corresponds to their feelings about the course of their future professional endeavors. The research subject pool included student affairs professionals employed by large research institutions who graduated from master’s degree programs between the years of 2017 and 2020.

The study suggests that while these early-career student affairs professionals exhibited a pro-social orientation that attracted them to community-oriented work and they find personal meaning in their employment, there is a risk that individuals in student affairs may be …

Skin And Bones: Transgenerational Trauma, Experimental Storytelling, And The Texture Of Hope, A Creative Dissertation, Janine Blue

Theses and Dissertations

This dissertation theorizes and enacts experimental storytelling as a method for engaging transgenerational trauma, highlighting how form shapes the ways histories are remembered, embodied, and reimagined across generations. Grounded in hope rehearsal as both a theoretical and creative framework, this project examines how BIPOC writers use experimental writing techniques to navigate the afterlives of historical trauma and reclaim storytelling as an act of meaning-making, communal care, and futurity. The dissertation begins with a critical chapter that explores these experimental techniques as strategies for recovery and resistance. The dissertations’ creative chapter, Andre Lyle: Skin and Bones, expands on these ideas …

Perceptions Of A Hypothetical Student As A Function Of Binge Eating Disorder And Gender, Erin Rose Hennessy

Theses and Dissertations

Stigma toward those with binge eating disorder and a gender bias toward eating disorders can lead to misattribution of symptoms as well as a reduced likelihood of having the diagnosis of eating disorders (Currin, Schmidt, and Waller 2007). Symptoms of binge eating, such as being overweight, have different social meanings than an eating disorder that can lead to being underweight, such as anorexia (Saguy and Gruys 2010). In addition, social support has been previously found to have positive relationships with eating disorder recovery. The purpose of this study was to understand differences in people’s perceptions of targets who are overweight …

Reframing Equity Gaps: A Descriptive Analysis Of Reported Spending For Underrepresented Minorities At Illinois Community Colleges, Terrance Marshall Bond

Theses and Dissertations

This quantitative descriptive analysis investigates reported institutional spending and associated equity gaps for underrepresented minority (URM) students in Illinois community colleges from FY2017-FY2021. Guided by Critical Sensemaking (CSM) theory, the study examines correlations between targeted expenditures and enrollment and completion outcomes for Black and Latinx undergraduate students. Utilizing data from Illinois Community College Board (ICCB) Underrepresented Groups (URG) reports, this research identifies patterns in institutional financial commitments toward equity initiatives, analyzing their relationship to enrollment and completion disparities. Key findings reveal substantial variability in institutional spending directed toward underrepresented minorities, despite statewide mandates and strategic goals focused on reducing equity …

Scrolling For Two: An Exploration Of Pregnant Women's Social Support And Information Seeking Behaviors Using Technology During The Covid-19 Pandemic, Sarah Knowlton

Theses and Dissertations

Pregnant women faced additional challenges in accessing reliable support and pregnancy- related information, leading to increased distress during the COVID-19 pandemic. Quarantine measures limited doctor’s appointments and isolated pregnant women from their families, which meant that meaningful connections and convenient information was important.

The purpose of this study is to explore the implications of COVID-19 social distancing on pregnant women, with a focus on three questions: 1) what digital technologies did pregnant women use for support and information seeking purposes during the pandemic? 2) how did pregnant women use technology to seek social support during the pandemic? 3) how did …

Looking Beyond The Achievement Gap: An Inquiry Into Bridging The Divide Between Teacher Preparedness And English Learners’ Literacy Success, Sean Rhoads

Theses and Dissertations

English Learners (ELs) in early childhood and elementary settings continue to face a significant literacy achievement gap compared to their non-EL peers. A qualitative action research study was conducted in a suburban Midwest district to examine how teacher preparedness, instructional practices, and professional development influence EL literacy development. Through teacher interviews, surveys, and classroom observations, the study identified key challenges, including limited EL-specific training, minimal collaboration with EL specialists, and inadequate instructional resources. Aimsweb Plus data confirmed a widening literacy gap, reinforcing the need for culturally responsive teaching, improved collaboration, and targeted interventions. The findings emphasize the importance of sustained …

“Money Is Just A Tool, Not The Goal”: Examining Messages That Parents Tell Their Children About Money, Hannah Delorto

Theses and Dissertations

Parental communication plays a crucial role in a young person's development of financial knowledge and behaviors, such as budgeting, saving, investing, retirement preparation, consumer skills, and avoiding excessive debt. This research focuses on emerging young adults aged 18-25, who are a vulnerable group of spenders. Participants shared memorable messages they received about money and rated the messages for positive or negative affect. Then, they answered questions measuring their financial literacy, perceived financial wellbeing, attitude about the importance of money. Four major themes were represented in the data of memorable messages: daily habits, long-term goals, family finances, and the meaning of …

Boys Build, Girls Glam: An Examination Of Adult Language Use In Informal Steam Education Settings, Alexandra Horton

Theses and Dissertations

Research on STEAM education has primarily focused on formal education settings such as schools, with more research needed in informal or non-traditional education settings. As children frequently engage with informal and non-traditional education settings, it is important to understand how we can transmit information in these settings to bolster and further the learning process and increase engagement. STEAM fields have been plagued by racial and gender inequities that have led to these groups being marginalized and excluded (Blair et al., 2017; Eaton et al., 2020; Martin, 2018; Martin & Phillips, 2019; Miller et al., 2018; Newall et al., 2018, Sheffield …