Digital Commons Network^™

Student Movements, Politics, And Policy In Chile, 2001 – 2012, Leesa Rasp

Dissertations

Chile has frequently been touted as an economic miracle, the “Jaguar of Latin America”. Boasting the strongest economy in South America, due to severe neoliberal economic structural adjustments made under the dictatorship of General Augusto Pinochet, it has long been held up as the perfect exemplar of economic growth and stability, as well as the poster child for the effectiveness of neoliberal economics. After the re-establishment of democracy in 1990, political conditions improved as well; the country enjoyed a decade of stability and peace under its first two democratically-elected governments.

Yet, beginning approximately ten years after the transition to democracy, …

Homegrown: Pastor Advocacy For Victims Of Sex Trafficking, Julie Heifner

Dissertations

Human trafficking consists of both sex trafficking (ST) and labor trafficking (LT) and is a growing problem for the United States. The Federal Human Trafficking Report (2019), states that Missouri is ranked ninth in the country for active criminal human trafficking cases. This issue is particularly prevalent in our churches because churches serve vulnerable populations and predators may be drawn to churches. Religious academic literature about pastor advocacy for victims of ST is lacking, while popular news sources reference case after case where pastors are the predators. This study consisted of nine Christian pastors who currently served in a pastoral …

Effectiveness Of Follow Up Phone Calls On Postpartum Women After Discharge: A Program Evaluation, Camille Williams

Dissertations

After an expectant mother gives birth, they are closely monitored for 48 to 72 hours after delivery and then discharged from the hospital. They are then typically seen by their physician for a postpartum follow up appointment within six to eight weeks for their postpartum follow up visit. Although complications during this postpartum period can still arise, postpartum women are rarely assessed during this time. Follow-up phone calls have been known to improve patient outcomes and communication between patients and providers once patients are discharged from the hospital. In January of 2020, the Mother/Baby Unit at a midwestern metropolitan hospital …

Increasing Testicular Self-Examination Practices In Male College Students, Christopher Mccoy

Dissertations

A significant number of males attending colleges and universities in the United States have limited or no current knowledge of testicular cancer and screening practices (Tosun, Gul, & Arikan, 2020).

Lack of knowledge of testicular cancer and practice of testicular self-examinations.

The evidence-based health promotion project aimed to increase testicular self-examination practices in male college students and increase their knowledge of testicular cancer.

Moving Forward By Looking Back: How Family Firms Create Competitive Advantage By Embracing Their History, Adam Goldman

Dissertations

Family businesses are the engine that drives the United States economy. While extensive implications have been made in the literature about the advantages or disadvantages of family-owned businesses compared to non-family-owned businesses, the focus of this study was to show how small to medium-sized family-owned firms (FF SMEs) based in the United States can use their unique history to create a competitive advantage. Drawing on imprint theory and the resource-based view (RBV), this history-informed study helped identify the impact that founder imprints, business traditions, and storytelling have on the business performance of FF SMEs. Using quantitative methods, the findings of …

The Impact Of Firm Size, Job Embeddedness, And Job Engagement On Turnover In Public Accounting Firms, Amy Cooper

Dissertations

Retention in public accounting firms has been and continues to be a top concern in the accounting profession. The direct and indirect cost of turnover; the decrease in accounting enrollment and graduation; the Great Resignation; and changes to work environments due to the pandemic elevate what was already a serious problem into a critical problem for the accounting profession. The size of public accounting firms is a well-used descriptor when employees talk about where they work. The purpose of this study was to examine the role of the size of firm in predicting an employee’s level of job embeddedness and …

Effects Of The Imposter Phenomenon On First-Generation Students’ Academic And Co-Curricular Engagement, Ethan Sykes

Dissertations

First-generation college students experience many barriers transitioning to college, such as impostorism. Administrators must understand how the imposter phenomenon impacts student engagement, to increase retention. The researcher utilized a mixed-methods approach to explore the prevalence of the imposter phenomenon among community college and private university students. Furthermore, the study examined how impostorism manifested in academic and co-curricular settings. The survey sample consisted of 216 total participants, with 91 who identified as first-generation students. Eight students participated in the interviews. For the purpose of the study, first-generation students were those whose parents did not complete a bachelor’s degree. The researcher utilized …

A Phenomenological Study Of The Shared Governance Experience For Nurses Working In The Pharmaceutical Industry, Adele Mueller

Dissertations

Healthcare has evolved over the past 30 years in response to exciting and tumultuous changes. Challenges encompassed innovative strategies to improve patient safety outcomes while facilitating a shared governance platform that resulted in best practice, enhanced job satisfaction, and improved patient outcomes. Nurses comprise the largest and fastest growing segment of healthcare occupations. A significant number of nurses have successfully transitioned into roles within the pharmaceutical industry to protect vulnerable patients. As a core value of nursing practice, the existence of shared governance or the change in the experience for nurses who had made this transition affects the nursing profession …

Factors Influencing The Development Of Advanced Practice Nursing In Singapore, Madrean M. Schober

Dissertations

The development of advanced practice nursing (APN) roles has become a worldwide trend as healthcare planners explore innovative options for the provision of healthcare services. The integration of these new nursing roles presents a dynamic change for healthcare professionals and the systems in which they practice. Suitable policies should ideally support the inclusion of APN roles and their practice potential, however, a review of the literature found no evidence that demonstrated relevant policymaking, these policy processes and subsequent implementation of the intent of policy. The aim of the research was to investigate APN policy development from the beginning periods of …

Factors Associated With Newly Graduated Nurses' Intent To Leave Current Position In U.S. Acute Care Hospitals: A Descriptive Research Study Using Secondary Data Analysis, Mary N. Meyer

Dissertations

This study aimed to identify the individual, unit-based, and hospital-based characteristics correlated with new nurse intent to leave their current positions (ITLcp) in U.S. acute care hospitals.

Facilitators And Barriers To Evidence-Based Cancer Pain Management, Linda H. Eaton

Dissertations

Evidence-based pain management (EBPM) is essential in relieving cancer pain. This dissertation explores nurse-level and organization-level factors for adopting, implementing, and sustaining EBPM practices. A descriptive cross-sectional mixed methods design involving two inpatient oncology units was used for this study.

Community College Executive Leaders And Emotional Intelligence: A Phenomenological Study Exploring How Community College Executive Leaders Utilize Emotional Intelligence (Ei) To Lead Their Organizations, Seblewongel Ayalew

Dissertations

Purpose: This phenomenological research aimed to identify and describe the lived practices of California community college executive leaders who lead their institutions using Emotional Intelligence (EI) through the lens of Goleman’s four EI domains.

Methodology: This study used phenomenological research that identified and explained California community college executive leaders’ lived practices associated with the leaders using EI in the workplace to determine their EI skills and emotional awareness. The community college executive leaders participated in interviews in formal and informal settings to identify and describe their lived experiences.

Findings: Examination of the qualitative data from 15 community college executive leaders …

We Don’T Have To Do All Of It Alone: A Phenomenological Study On How Mid-Level Leaders In Community Colleges Flourish Through Collaboration And Advocacy, Mackenzie Taylor Klinker Hutchins

Dissertations

Purpose: The purpose of this phenomenological study was to identify and describe the formal and informal leadership development experiences of mid-level leaders promoted within Washington State Community Colleges.

Methodology: This phenomenological study identified and described the formal and informal leadership development experiences of 17 mid-level leaders promoted within Washington State Community Colleges. Respondents were purposively chosen based on specific criteria and recommendations of two expert sponsors. The researcher collected data through semi-structured interviews, where the participants provided descriptive data that would aid in answering the study’s research questions.

Findings: Analysis of the qualitative data from 17 mid-level leaders promoted within …

Culturally Responsive Library Leadership In The California Community Colleges, Melanie Aponte Chu

Dissertations

Purpose: The purpose of this ethnographic qualitative study was to identify and describe how community college library leaders utilize culturally responsive leadership strategies when leading their organizations, based on Horsford et al.’s (2011) Culturally Relevant Leadership (CRL) framework.

Methodology: This study identified and described culturally responsive leadership strategies of library leaders at the California Community Colleges (CCCs). As part of a thematic team, the researcher designed an interview protocol in alignment with the four dimensions of the CRL framework: professional duty, personal journey, pedagogical approach, and political context. Fourteen participants were identified and selected using criterion sampling, with participants meeting …

The Lived Experiences Of Icu, Med-Surg, And Er Nurses In The United States Attempting To Breastfeed During The Covid-19 Pandemic, Amy Seay

Dissertations

Breastfeeding is important to promote the health of both mothers and babies (Centers for Disease Control and Prevention [CDC], 2021). Many mothers experience workplace barriers and stress which negatively impact breastfeeding duration (McCardel & Padilla, 2020; Nagel et al., 2022). However, a gap in the literature exists surrounding specific barriers and the impact of stress on U.S. nurses who breastfeed. Specifically, workplace challenges and stress among nurses resulting from the COVID-19 pandemic lack exploration.

This interpretive phenomenological study explored the lived experiences of ICU, Med-Surg, and ER nurses who attempted to breastfeed during the COVID-19 pandemic. Roy’s adaptation model was …

Research Training And Certification Protocol For Medical Students, Michelle Arisleida Padley

Dissertations

Early and frequent exposure to research is imperative to initiating and sustaining long term for medical student research interest. The attitude and approach of physician mentors has been demonstrated to have a substantial effect on student perceptions of research involvement. The purpose of this study is to determine best practices for assessing student perceptions for a research certification program. An additional long-term objective is to utilize these findings to help maintain interest in research throughout their medical careers. Research is an essential aspect of the prestige of medical schools, and the benefits of academic research institutions have numerous facets, including …

Felicidad Aplataná: How Dominican Migrants Living In The Nordic Countries Make Sense Of Their Happiness, Ivanna Lajara

Dissertations

As globalization evolves and the number of migrants and cross-cultural interactions among world citizens increases, understanding various aspects of immigrants’ experiences, including their happiness and subjective well-being will become fundamental to organizations, governments, and societies. However, there are substantial cross-cultural differences in how people understand their happiness, make sense of experiences that influence happiness, and how large-scale social trends, such as globalization, relate to the individual migration perspectives (Uchida and Ogihara, 2012). Research affirms culture as a key factor influencing happiness (Ye et al., 2015) and living in a foreign country may not only impact one’s perspective on life, but …

Assessing And Characterizing Marijuana Use Disorders (Dsm-5) — National Survey On Drug Use And Health, United States, 2020, Alejandro Azofeifa-Ujueta

Dissertations

Despite that marijuana (cannabis) is still considered, under federal law, an illegal Schedule I drug, marijuana is the most commonly used illicit substance in the United States. National trend data has shown that the prevalence of marijuana use has increased over time, particularly among those aged 18 years and older. Some individuals can use marijuana without harm; however, long-term and heavy marijuana users may experience health consequences, including marijuana use disorders (addiction). For the last 20 years, existing national and statelevel epidemiological, surveillance, and research data have analyzed marijuana use disorders (MUD) using previous diagnostic criteria (DSM-IV). There is limited …

Implementation Of Team-Based Learning In The Pre-Clerkship Medical Curriculum: Investigating Essential Elements, Jade Woodcock

Dissertations

Team-based learning (TBL) has been used in undergraduate medical education over the past 20 years. Available evidence suggests that there is a problem with how the core design elements are implemented. It is also unclear the extent to which faculty and students believe TBL supports the goals of undergraduate medical education (UME). The purpose of this research is to identify the essential elements of TBL, how those elements have been used by medical educators over the past 10 years, and identify if faculty and student believe TBL supports the goals of undergraduate medical education at a single medical school where …

Use Of Reddit For Social Science Research: A Review Of Current Use, Exploration Of Potential Sampling Error, And Practical Demonstration Using Reddit To Study Post-Pandemic Teacher Resignation, Caryn Davidson

Dissertations

This dissertation is comprised of three separate studies related to using the social media platform Reddit for social science research. The first paper provides an overview of current social science research that uses Reddit. The second paper explores the impact of sampling choices and potential sources of error when selecting Reddit data to study. The third paper maps the topics of a sample of posts tagged with the #Resignation flair in the r/Teachers subreddit from three months across school year 2021-2022 including reasons why teachers are leaving the post-pandemic classroom.

The practice of using Reddit for social science research is …

Socially Aware Natural Language Processing With Commonsense Reasoning And Fairness In Intelligent Systems, Sirwe Saeedi

Dissertations

Although Artificial Intelligence (AI) promises to deliver ever more user-friendly consumer applications, recent mishaps involving fake information and biased treatment serve as vivid reminders of the pitfalls of AI. AI can harbor latent biases and flaws that can cause harm in diverse and unexpected ways. It is crucial to understand the reasons for, mechanisms behind, and circumstances under which AI can fail. For instance, a lack of commonsense reasoning can lead to biased or unfair decisions made by Machine Learning (ML) systems. For example, if an ML system is trained on data that is biased or unrepresentative of the real …

Design, Simulation, Modeling, And Implementation Of Triboelectric Nanogenerator (Teng) Sensors For Automotive Applications, Sam Ali

Dissertations

Triboelectricity is a promising technique for energy harvesting in which mechanical energy converts to electricity for powering small electronic devices. This method of energy harvesting serves as an alternative to traditional battery power sources and can significantly benefit low-power sensing applications by generating unlimited electrical energy. This study focuses on the development of flexible triboelectric nanogenerators (TENG) and energy harvesting devices for various applications in the automotive industry.

The study is organized into four projects. In the first project, various polymeric materials were used to investigate the performance of different TENGs. Four designs (D1, D2, D3, and D4) of flexible …

Student Experience And Learning In A Course-Based Undergraduate Research Experience, Allison Witucki

Dissertations

Scientific research is advocated as an important experience for undergraduate STEM majors. Involving undergraduates in research early on in their educational careers can potentially prevent attrition and encourages students to pursue post-graduate education and careers within the field. However, research opportunities for undergraduates can be difficult to obtain. Many students may not realize that research opportunities exist, or there is limited availability for undergraduates to work in a faculty member’s research laboratory. Luckily, an educational model for involving scientific research in a course, also known as a Course-based Undergraduate Research Experience (CURE), can provide more widespread opportunities for students to …

Factors Affecting Changes In Road Traffic Collision Related Injuries And Deaths Over Time: The Global And The United Arab Emirates Perspectives, Yasin Jemal Yasin

Dissertations

Road traffic collisions (RTCs) cause 1.35 million deaths per year worldwide. Approximately 50% of these deaths were among pedestrians and motorized 2-3-wheeler users. In the United Arab Emirates (UAE), RTC deaths were higher compared to other high-income countries (HICs). The United Nations (UN) Decade of Action for road safety 2011-2020, aimed to reduce road traffic deaths by 50% by the year 2020. The aim of this dissertation was to investigate factors affecting changes in RTC-related injuries and deaths over time at global and UAE levels. Multiple research methods were used to investigate the research questions. Global data on pedestrian and …

Ab-Initio Investigation Of 2d Materials For Gas Sensing, Energy Storage And Spintronic Applications, Saba Khan

Dissertations

The field of Two Dimensional (2D) materials has been extensively studied since their discovery in 2004, owing to their remarkable combination of properties. My thesis focuses on exploring novel 2D materials such as Graphene Nanoribbon (GNR), holey carbon nitride C₂N, and MXenes for energy storage, gas sensing, and spintronic applications, utilizing state-of-the-art techniques that combine Density Functional Theory (DFT) and Non-Equilibrium Greens Functions (NEGF) formalism; namely Vienna Ab-initio Simulation Package (VASP) and Atomistic Toolkit (ATK) package.
/="/">Firstly, on the side of gas sensing, the burning of fossil fuels raises the level of toxic gas and contributes to …

Integrated Experimental And Dft Study Of Palladium And Nickel Metals Supported On Reducible Metallic Oxides For Selective Hydrogenation Of Alkynes And Dienes Bonds, Toyin Daniel Shittu

Dissertations

This dissertation investigates the capacity of ceria (CeO₂) to serve as a stand-alone reactive catalyst, and to act as catalyst support for different catalyst configurations. Experimental and density functional theory (DFT) approach were used to critically predict and to design ceria-containing catalysts. Ceria owes the catalytic propensity to the ability to undergo switch in the oxidation state from the +4 to +3 states. Motivated by experimental studies involving CeO₂ catalysts, defects CeO₂ surface with an oxygen vacancy (CeO2(111)_Vo) was used to explore the decomposition chemistry of methanethiol based on DFT. The potential formation pathways revealed that …

Optimal Component Sizing And Control Of A Multi-Source Elecctric Vehicle Based On An Improved Optimization Algorithm And A Novel Energy Management System, Prasanthi Achikkulath

Dissertations

Electric vehicles (EVs) are considered the ultimate solution for a sustainable transportation alternative to reduce the global warming and energy crisis. The public's perception of EVs is still adverse despite advancements in EV technology because of issues with driving range, high initial costs, the added weight of the energy source, and an unpredictably short lifespan of the EV system. To administer the same performance as compared to modern fossil fuel-based vehicles, hybridization of multiple energy sources is significant for EVs. The most pressing issues with multi-source EVs are optimum source sizing and regulating power flow from hybridization sources with the …

The Association Between College Instructors’ Trait Emotional Intelligence And Instructorstudent Relationship In A Uae Higher Education Institution, Salwa Habib Husain

Dissertations

The relationship between instructors and students in higher education institutions (HEIs) is a contributing factor to the students’ motivation to learn, emotional development and stability, and academic performance. The instructor’s trait Emotional Intelligence (EI) has been a focus in developing such positive relationships inside and outside the classroom setting. The extent to which instructors’ trait EI can contribute to a supportive and developmental relationship with students has not received due attention in research in the UAE. Therefore, the purpose of this study was to explore the association between instructors’ trait EI and the Instructor-Student Relationship at one HEI in the …

Structural Integrity Assessment Of Shell And Tube Heat Exchanger Tube-To-Tubesheet Joints Fabricated Using Conventional And Nonconventional Manufacturing Processes, Dinu Thomas Thekkuden

Dissertations

Tubes and tubesheets, integral components of shell and tube heat exchangers, have an important role in the functioning of the heat transfer between the tube-side and shell-side fluids. Tube-to-tubesheet joints act as a barrier to prevent the mixing of the transfer fluids in addition to aiding the structural rigidity of the shell and tube heat exchanger. Tube expansion process and welding are the manufacturing processes used for fabricating structurally rigid tube-to-tubesheet joints. Many instances of tube-totubesheet joint failures leading to the complete collapse of the heat exchangers demand attention to assessing the mechanical and metallurgical characteristics of tube-totubesheet joints fabricated …

Capturing Maximum Photovoltaic Power With Machine Learning: Maximum Current Prediction, Mppt Methodology, And Adjustable Ml-Based Controller, Zahi Mohamed Mohamed

Dissertations

The primary aim of this doctoral thesis is to examine the potential application of machine learning (ML) in optimizing Maximum Power Point Tracking (MPPT) and devising a flexible ML-based controller for photovoltaic (PV) systems. The lack of MPPT mechanisms leads to fixed voltage and current points for PV modules, resulting in substantial power loss when environmental conditions vary. The limitations of conventional and enhanced MPPT methods, as well as finding an alternative controller to classical Proportional-Integral (PI) controllers, have spurred the search for substitute approaches to maximize PV power. To address these limitations, this thesis proposes using ensemble ML techniques, …