Digital Commons Network^™

Entrepreneur's Family Status, Strategy, Performance, Zdenka Cumano

Electronic Theses and Dissertations

This research aims to illuminate the relationship between marital status and entrepreneurial performance among entrepreneurs, focusing on the implications for female entrepreneurs. While existing studies have predominantly examined gender-related challenges, such as disparities in access to financial and social capital, the role of marital status has received limited attention. Drawing on Becker’s seminal work (1965, 1974) on time allocation and human capital investment, this study argues that entrepreneurs face distinct risks and resource constraints compared to employees, who benefit from organizational risk-sharing and stable income. In contrast, entrepreneurs bear the full burden of market uncertainty and opportunity costs, making personal …

Enhancing Seaport Resiliency With Unmanned Aircraft Systems, Traci Ann Johnson

Electronic Theses and Dissertations

Seaports are essential for international commerce as they facilitate movement of cargo through global trade networks. Failure of a seaport to remain operational during a disruptive event, such as a natural disaster or security threat, not only affects that seaport and the economy it supplies but can have far reaching impacts on supply chains worldwide. Enhancing seaport resiliency is essential to maintaining functionality in the event of crises that pose a threat to trade continuity and economic stability. This research explores the efficacy of using Unmanned Aircraft Systems (UAS) to enhance resiliency building efforts in three case studies representing different …

Microplastics In Coastal Sediments, Halaina Hahn

Electronic Theses and Dissertations

Marine and coastal sediments are considered to be sinks for plastic pollution. The dispersal of microplastics through ocean dynamics (winds, waves, currents, and tides) may be dependent on the type of microplastic and sedimentation of the coastal environment. Coastal tourism significantly contributes to the sources of plastic, especially in the state of Florida. Microplastic pollution impacts all facets of the environment impacting ecosystem services, wildlife, and human health. However, few studies have been conducted to quantify the abundance and type of microplastics found in coastal sediments under different seasonal conditions. This project aimed to evaluate the abundance of microplastics in …

The Implications Of The Menstrual Cycle On Upper Extremity Function And Injury Risk, Kaitlyn Ashley Armstrong

Electronic Theses and Dissertations

BACKGROUND: Musculoskeletal disorders (MSDs) are the leading cause of time lost from work in the healthcare industry (US Bureau of Labor Statistics, 2022). Women account for 75 percent of the total employment in hospitals (BLS, 2022). It is important to identify key risk factors that may be contributing to the high rates of injury in this sector. Females bring a variety of unique factors into account, and understanding these factors could be critical for improving individual health and the burden placed on the system due to absenteeism resulting from injury. The cyclical hormonal fluctuations that occur over a menstrual cycle …

Because Kids: Improving Reading Outcomes For Students In A Low-Performing Rural School, Cornishee Jekee Bruce

Electronic Theses and Dissertations

In this applied research study, I aimed to improve reading growth among at-risk, low-performing fifth and sixth-grade students at West Upper Elementary School, which was designated as a Comprehensive Support and Improvement school. I employed a data-driven decision-making framework, introduced the iReady reading computer program, and used high-quality instructional materials to address students' ongoing literacy issues. The research revealed a slight decline in the lowest reading percentiles by integrating quantitative and qualitative data collection methods through a Plan-Do-Check-Act cycle for continuous improvement. However, significant gains emerged in lower performance tiers, including significant decreases in the number of students at the …

Boundaries And Barriers: A Study On The Factors Influencing Bachelor’S Degree Attainment For Women In Arkansas At Regional Public Universities, Meagan Rochelle Bowling Fudge

Electronic Theses and Dissertations

Arkansas consistently ranks among the bottom five states nationally for bachelor’s degree attainment. To explore the factors contributing to this trend and identify opportunities for increasing degree completion, this study focuses on women attending Regional Public Universities (RPUs) in Arkansas. By examining the barriers these women face, this research aims to uncover critical gaps and inform future areas for research, policy, and investment.

Women represent the largest segment of undergraduate enrollment in the state, consistently enrolling in college at higher rates than their male peers. RPUs enroll more bachelor's degree-seeking students than any other type of institution in Arkansas, including …

Access To Pharmacies: Implications For Theory, Outcomes, And Policy, Emily Gravlee

Electronic Theses and Dissertations

This dissertation achieved the following objectives: (1) developed a patient-centered access to pharmacies framework; (2) evaluated the impact of pharmacy closures on immunization rates among Medicare beneficiaries; and (3) examined the influence of state-level pharmacy benefit manager (PBM) regulations on rates of pharmacy closures.

For objective 1, a grounded theory methodology was used to identify a patient-centered access to pharmacies framework (PcAP). This framework asserts that patients determine whether they have access to a pharmacy through evaluation of their characteristics, the characteristics of pharmacies, and their own needs or values within the context of a health-related need. This evaluation of …

The Underrepresentation Of African American Male Educators In K-12 Education, Nisa Lewis Johnson

Electronic Theses and Dissertations

The American education system has struggled with a significant teacher shortage for years. Alongside this shortage is the underrepresentation of African American male teachers. Despite the increasing diversity of the student population, African American men make up less than 2% of teachers nationwide (Aftunion, 2020). This disparity denies all kids access to diverse perspectives in the classroom and limits the presence of role models for students of color. Research studies have shown that African American students who have African American teachers show improvement in their grades, standardized test scores, attendance records, and graduation rates (Breazeale, 2023). This study aimed to …

Asking Pharmacists About Over-The-Counter Oral Contraceptives: Intention Among Adolescents And Young Women, Ivy Leong

Electronic Theses and Dissertations

The recent availability of over-the-counter oral contraceptives eliminates many barriers to accessing birth control. Even with this easier accessibility, pharmacists can still play an important role in educating users, especially adolescents and young adults. However, hesitation to reach out to pharmacists among younger populations has been documented. Additionally, little is known about the underlying driver of this hesitation.

This study aimed to examine predictors of young females’ willingness to seek assistance from pharmacists for over-the-counter oral contraceptive use and to determine the difference in the effect of these predictors between adolescents (age 16 to 17) and young women (age 18 …

Exploring Aging And Bone Health In Normal Weight Obesity And The Prevalence Of Unhealthy Lean Phenotypes, Pouria Sefidmooye Azar

Electronic Theses and Dissertations

Obesity is a complex chronic condition characterized by the excessive accumulation of body fat. While numerous studies have highlighted the risks of adverse complications associated with obesity, limited research has explored the relationship of body composition phenotypes, more specifically normal weight obesity with aging, and bone health. Also, the prevalence of unhealthy lean phenotypes in adults in the U.S. is not clear. A secondary-data analysis of the National Health and Nutrition Examination Survey (NHANES) 1999-2002 were performed to further examine the relationship between body composition phenotypes—normal weight lean (NWL), overweight/obesity with normal body fat percentage (OBL), normal weight obesity (NWO), …

An Examination Of Community Formation Through The Lens Of Transvestia Magazine, Amanda Elaine Shinn

Electronic Theses and Dissertations

Transvestia magazine was important for the creation of the modern transvestite community. This project shows how the editor of the magazine defined her readership and how the stories, letters to the editor, and advertisements published within the magazine helped to develop this sense of community within the readership. The contents of the magazine were tabulated into spreadsheets and counted along with relevant data, including word counts, what issues the items appeared in, where they appeared inside the magazine, etc. The first five years of the magazine were compared with the last five years, showing how it changed editors, length, frequency, …

Chemical Composition And Cardiorespiratory Health Effects Of Fine Particulate Matter (Pm2.5) From Ambient Sources And Gunshot Residue: Investigating The Role Of Rage-Driven Inflammation And Oxidative Stress, Samuel Cole Smith

Electronic Theses and Dissertations

Approximately 30 million people in the U.S. use firearms for recreation or occupation annually. The discharge of firearms releases a complex chemical mixture into the breathing zone of the individual. Historically the primary concern of this exposure was the inhalation of lead (Pb), however gunshot residue (GSR) is composed of inorganic and organic components that are understudied in regards to airborne concentrations and health relevance. In addition to chemical composition, GSR released into the air is composed of various size particles from unburnt propellent and projectile fractionation. A size fraction of major health concern is particulate matter less than 2.5 …

Leveraging The Zebrafish Model For The Study Of Human Health Impacts Of Particulate Matter Exposure: Exploring Biological Effects Of Fuel Source Emissions, Autism Spectrum Disorder-Like Behaviors, And Molecular-Level Reproductive Impacts, Shayla Victoria

Electronic Theses and Dissertations

Particulate matter (PM) is the solid and liquid portion of air pollution that can be found at various size fractions, including PM2.5, which is 2.5 μm or smaller in aerodynamic diameter. PM is a complex mixture, containing a wide variety of chemical constituents, including inorganic compounds (heavy metals), organic compounds (polycyclic aromatic hydrocarbons), and pesticides, that have been individually linked to human health impacts. These include cardiovascular and respiratory conditions, but due to its small size and chemical composition, PM has the ability enter into systemic circulation and cause dysregulation of other physiological processes, such as neurodevelopment and reproduction, which …

Human Papillomavirus Knowledge, Beliefs, And Behaviors Among Community College Students: Why Should It Matter?, Eric Pittman

Electronic Theses and Dissertations

Background: Human Papillomavirus (HPV) is the most common sexually transmitted infection in the United States (U.S.). Approximately 42.5 million individuals in the U.S. are infected with disease-associated HPV, and 13 million new cases occur every year. It is estimated that 85% of sexually active adults will be infected with HPV at some point during their lifetime. Most individuals infected with HPV are asymptomatic and clear the virus without any complications. However, in some individuals, the virus persists. Prolonged HPV infection has been associated with six different types of cancer and genital warts. There are approximately 37,000 cases of HPV-associated cancers …

Comparative Analysis Of Out-Of-Pocket Expenditures On Authorized Generics And Independent Generics Among Medicare Beneficiaries, Arman Arabshomali

Electronic Theses and Dissertations

Background: Authorized generics (AGs) are essentially brand-name drugs without the brand name on their labeling. AGs are often marketed as cost-saving alternatives to brand-name drugs; however, their impact on patient out-of-pocket (OOP) expenditures compared to independent generics (IGs) remains understudied, especially within Medicare. This study investigates the OOP costs of AGs versus IGs among Medicare beneficiaries with Part D coverage.

Methods: A cross-sectional analysis was conducted using the 5% national sample of Medicare Part D claims data from 2012 to 2020, linked with the FDA’s NDC Directory data to specify Authorized Generics, Independent Generics, and Brands. The study compared OOP …

Exploring Psychological Capital In Student Pharmacists: Insights, Outcomes, And Instructional Considerations, Joseph Aaron Dikun

Electronic Theses and Dissertations

Background/Objectives

The positive psychology movement served to create momentum to move from treating disease to exploring what makes life worth living, emphasizing the exploration of what contributes to human flourishing. One’s psychological capital has provided a practical framework for personal development that highlights the potential for individuals draw upon resources to thrive amidst challenges. As students face numerous stressors, including academic pressures, uncertainties, and personal struggles that threaten their well-being and performance, self-awareness and ability to utilize these intrinsic resources provide an actionable target for development. First, a measure of psychological capital was adapted and refined. Next, positive psychological capital …

The Profiled Feldman-Cousins Method For Confidence Interval Construction For The Nova 3-Flavor Oscillation Analysis, Andrew Joseph Dye

Electronic Theses and Dissertations

The small interaction cross-section of neutrinos makes experimental neutrino physics particularly responsive to technological advancements. A significant development leveraged by the NOvA experiment is large-scale parallel processing, enabling novel computational approaches to longstanding experimental challenges. Central to managing the resulting high-throughput data is NOvA’s implementation of the Freight Train model, designed for efficient data production and handling.

This dissertation details the methodology and execution of the NOvA 2024 3-Flavor Oscillation Analysis, supported by a comprehensive dataset spanning ten years. It emphasizes frequentist results refined through the Feldman-Cousins (FC) technique, specifically addressing confidence interval corrections in parameter estimation. The computational intensity …

The Effects Of Validating And Invalidating Responses On Self-Reported Levels Of Anxiety, Leila Sachner

Electronic Theses and Dissertations

Given that validation and invalidation have been linked to internal factors contributing to anxiety disorders, it is important to further explore how validation and invalidation are associated with experiences of anxiety. The current study was designed to assess the association between validation/invalidation and anxiety among college students. Significant omnibus regression models emerged revealing that perceived invalidation accounted for 25.7% of the variance in self-reports of physiological anxiety symptoms and 27.6% of the variance in self-reports of generalized anxiety symptoms. A series of mixed-factorial ANOVAs revealed no main effect of experimental condition on emotional responses (anxiety, anger, arousal, valence), indicating that …

Data-Driven Modeling Of Levee Failure: A State-Of-The-Art Approach For Integrating Artificial Intelligence Techniques With Hydraulic Erosion And Geotechnical Characterization, Haitham O. Saleh

Electronic Theses and Dissertations

Flooding is one of the most destructive natural disasters in the United States, often resulting in catastrophic damage to communities and infrastructure. The primary flood-protection structures, earthen dams and levees, are critical for mitigating these impacts. In Mississippi alone, there are over 2,800 dams and 3,750 miles of levees along the Mississippi River and its tributaries. Of this, nearly 2,200 miles are along the mainstem Mississippi River, with the remaining levees situated along backwaters, tributaries, and floodways. Understanding the erosion behavior of these structures during overtopping events is essential for accurate failure prediction and risk assessment. This study focuses on …

Beliefs And Factors That Influence Female College Students’ Decision To Consume Weight Loss Products, Cynthia Ummay Siddiqua

Electronic Theses and Dissertations

Background: Rising societal pressures, body image concerns, and the increasing accessibility of commercial weight loss products (WLPs) have led to heightened use among young women, particularly college students. Female undergraduates are especially vulnerable due to social media influence, peer comparison, and transitioning lifestyles. Despite the popularity of WLPs, concerns persist regarding their safety, efficacy, and the psychosocial beliefs driving their use. This study seeks to understand the beliefs and factors influencing WLP consumption among female college students using Social Cognitive Theory (SCT) and the Health Belief Model (HBM).

Methods: A cross-sectional, exploratory survey was conducted among female undergraduate students aged …

The Prison Life-Course And Correctional Misconduct, Zachary Nathanial Buckner

Electronic Theses and Dissertations

The purpose of this dissertation is to apply a developmental and life-course perspective to the understanding of correctional misconduct for those serving long-term sentences by conducting three separate analyses that examine the development of misconduct over time, and the influence of personal and prison characteristics on misconduct. Data were provided by the Department of Corrections in a Northwestern state in the United States and included all adults in custody who were currently incarcerated and had been incarcerated for a minimum of 15 years consecutively at the point of data collection in March 2023. The first analysis used group-based trajectory modeling …

Distress Tolerance And Links With 24-Hour Ambulatory Blood Pressure, Colter K. Clayton

Electronic Theses and Dissertations

Cardiovascular disease is a leading cause of death in the United States. Hypertension is a major modifiable risk factor for cardiovascular related morbidity and mortality. Psychosocial factors are associated with blood pressure control and preliminary evidence has linked greater distress tolerance to lower blood pressure. The present study examined associations between distress tolerance and key blood pressure markers (24-hour mean blood pressure, nocturnal dipping) among community-dwelling adults (N = 60) using the noninvasive gold standard of blood pressure measurement—ambulatory blood pressure monitoring. Separate hierarchal linear regression analyses did not reveal any significant relationships between distress tolerance and 24-hour mean systolic, …

The Stories Of Land: Exploring Southeast Indigenous Historical Contextualization In University Settings, Haley Elizabeth Mcglone

Electronic Theses and Dissertations

Institutions of Higher Education have a unique opportunity as educational spaces to connect with the land they occupy. As students enter the college environment, institutions have a responsibility to provide them with meaningful connection to land their university is situated upon and educate them in its history. Many institutions of higher education have incorporated important contextualization projects on their campuses in an effort to acknowledge and confront their historic ties to colonization and systemic racism (Ruth J. Simmons Center for the Study of Slavery and Justice, n.d.).

This study offers an environmental scan of two sites of removal now occupied …

Succession Planning And Organizational Structures Of Academic Health Sciences Libraries, Elizabeth Hinton Mcmurphy

Electronic Theses and Dissertations

Academic health sciences libraries are vital in educating and training future healthcare professionals. Over the last decade, a significant number of library directors, many of whom had served in their positions for ten years or more, have retired from the field. The retirement wave in libraries has been anticipated since the late 1980s with the advent of end-user searching. However, due to the aging workforce and the impact of the COVID-19 pandemic, this predicted exodus has become a more imminent reality. Consequently, the intricate organizational structures of academic medical centers and academic health sciences libraries, coupled with the frequent absence …

Voltage-Dependent Anion-Selective Channels 1 And 2 Wild Type And Mutant Bh3-Like Domain Peptides: Analysis Of Secondary Structure And Binding Stoichiometry To Recombinant Bax, Geanell C. Adams

Electronic Theses and Dissertations

Despite national efforts to increase female participation in science, technology, engineering, and mathematics (STEM), women remain significantly underrepresented in collegiate STEM programs. This pilot study sought to identify pre-collegiate factors that influence female students’ decisions to enroll and persist in STEM collegiate programs at the University of Mississippi, a predominantly white R1 research institution using qualitative methods. Grounded in Bandura’s Social Learning Theory, the research examined the environmental, behavioral, and personal determinants that shape academic pathways for women in STEM.

Data were collected through semi-structured interviews with six sophomore female STEM majors. Thematic analysis revealed that early exposure to structured …

Underrepresented Medical Students: Perceptions Of Academic Persistence And Successful Completion Of Medical School, Nicholas Dakota Bibbs

Electronic Theses and Dissertations

Less than one percent of the United States population’s workforce are physicians. The road to becoming a medical doctor is long, complex, and taxing. Individuals desiring to become physicians must have large amounts of grit, persistence, patience, and a hard work ethic just to get to medical school. The students who are accepted into medical school come from various backgrounds with differing degrees of access to resources and opportunities to prepare them before and during their medical education. Studies show that students who are categorized as underrepresented in medicine often face the most challenges to achieving academic success. Understanding what …

Working With Parents/Guardians To Provide Support And Knowledge For Structured Literacy Spelling Instruction At Home, Claire Rearick Fearn

Electronic Theses and Dissertations

This dissertation in practice explores the role of spelling instruction within the framework of the Science of Reading (SOR) and Structured Literacy (SL). This research examines how spelling, a vital yet acquired literacy skill, is foundational to reading and writing development and should be taught explicitly and systematically through SL principles. Drawing on research in cognitive neuroscience, developmental psychology, and educational research the study highlights how the brain learns to read and spell, reinforcing the need for evidence-based instruction that integrates both encoding and decoding practices. Despite research starting the importance of teaching spelling utilizing SL methods, spelling instruction and …

An Advanced Machine Learning Framework And Multi-Label Heart Disease Classification With Unet-Based Nucleus Segmentation, Md Rahat Kader Khan

Electronic Theses and Dissertations

The growing demand for accurate, rapid, and interpretable diagnostic tools in the medical field has spurred the integration of artificial intelligence into various healthcare applications. Acute Myocardial Infarction, which remains one of the primary causes of mortality in both developed and developing nations, requires timely and precise identification to prevent life-threatening complications. In response to the lack of interpretable AI models tailored to diagnosing AMI using hemogram parameters, this study presents a robust machine learning-based framework that explores the diagnostic potential of these parameters. By evaluating several machine learning techniques, the research establishes the superiority of boosting algorithms, particularly the …

The Influence Of Pressure, Intensity, And Amount Of Muscle Mass Exercised On Changes In Muscle Size, Strength, And Endurance: A Methodological Investigation, Ryo Kataoka

Electronic Theses and Dissertations

Purpose: To 1) examine the effects of low-load submaximal resistance exercise with blood flow restriction (BFR) on muscle size, strength, cross-education, and local muscular endurance while accounting for proximity to failure under restriction, and 2) determine whether changes in muscle size and strength differ based on the amount of muscle recruited during the exercise bout.

Methods: A total of 177 (18–35 years) participants were randomly assigned to one of five groups: unilateral low-load submaximal elbow flexion exercise 1) with BFR (LL+BFR, n=35), 2) without BFR (i.e., matched for a % of repetition-to-failure under restriction) (LL, n=37), 3) to failure (LL-Failure, …

Navigating Cultural Transitions: The Adaptation Experiences Of Bangladeshi International Students In The Usa, Khadiza Tul Kubra

Electronic Theses and Dissertations

This thesis explores how Bangladeshi international students adapt to life and study in the United States. I conducted in-depth interviews with students at the University of Mississippi to understand their everyday experiences. My focus was on how they manage cultural, academic, and social challenges. I used segmented assimilation theory, Berry’s acculturation model, and Bourdieu’s concept of cultural capital to guide my analysis. The findings are shared in three main parts. First, I discuss how students use community support and religious networks to feel at home. Second, I look at how they deal with language barriers, classroom culture, and identity shifts. …