Digital Commons Network^™

High Risk Medication Regimens And Medication Related Predictors Of Hospital Readmission In Elderly Home Care Patients, Mary T. Dierich

Dissertations

Adverse drug events are a primary cause of hospitalization in the elderly. Nearly 70% of the $177.4 billion dollars spent on drug related morbidity and mortality in the U.S. is due to hospitalizations. Polypharmacy, inappropriate medications or medication regimen complexity have all been implicated as precursors to adverse drug events and as indicators of high risk medication regimens. Understanding the relationship between medication regimens and readmission is important when evaluating potential errors in administration, risk-benefit ratios, and readmission risk. However, due to definitional and measurement issues, the high risk medication regimen remains an elusive concept. This study characterizes medication regimens, …

Humanizing History: Empowering Educators To Navigate Difficult History Through Museum-Led Professional Development, Andrea Miskewicz

Dissertations

As museums increasingly serve as educational hubs, this research examines how teachers' participation in such programs contributes to their perceived efficacy for teaching topics of difficult history. Employing a mixed-methods approach, the study utilizes a survey with quantitative and qualitative measures to evaluate changes in teacher self-efficacy before and after a museum-led intervention. With a pre and posttest design, this study provides deeper insights into participants' experiences and challenges. Preliminary findings suggest museum-led professional development has a significant positive impact on teachers’ perceived self-efficacy, highlighting the resources and opportunities museums have available and the importance of humanizing history in social …

Settler Colonial Determinants Of Indigenous Health: Relationship Between Indigenous Women's Level Of Allostatic Load And High Blood Pressure During Pregnancy; A Secondary Analysis Of The Strong Heart Study, Nicole A. Thomas

Dissertations

There is a dearth of comprehensive literature relevant to the relationship between settler colonialism and health outcomes of Indigenous peoples residing in the United States (U.S.). Critical analysis of settler colonial determinants of Indigenous health will help to further shape discourse, research priorities, and policy relevant to Indigenous population health and disease distribution. This thesis will bring awareness to settler colonialism, propose relationships between settler colonialism and health outcomes, and identify specific settler colonial determinants of Indigenous health to help guide development and use of nursing theory. This dissertation argues that the structure of settler colonialism threatens and implicates the …

Certified Registered Nurse Anesthetists' (Crna) Perceived Ease And Usefulness Of Video Laryngoscopes For Endotracheal Intubation Of Surgical Patients With Difficult Airways, Uwe G. Klemm

Dissertations

Anesthesia providers frequently encounter patients with difficult airways. The inability to effectively ventilate and oxygenate a patient due to failed endotracheal intubation increases patient morbidity and mortality (Detsky et al., 2019; Joffe et al., 2019). Video laryngoscopes appear to provide benefits by improving airway visualization and first-attempt endotracheal intubation success and decreasing the rate of failed endotracheal intubation attempts (Lewis et al., 2017; Pieters et al., 2017; Vargas et al., 2021). This research study examined the perceived usefulness and ease of use of video laryngoscope technology by CRNAs for initial endotracheal intubation when confronted with a difficult airway. The study …

Development And Evaluation Of A Nurse Practitioner Directed Early Palliative Care Initiative And Its Impact On Goal-Concordant Care At A Cancer Center, Ashley V. Weinmann

Dissertations

Seriously ill patients often experience discordant care. Delivering high-quality healthcare requires effective communication to support goal-concordant care.

Pancreatic cancer has a 5-year survival rate of 12% with a high symptom burden. Pancreatic cancer patients often have unmet needs that lead to increased psychological, spiritual, social, and physical needs. Early integration of palliative care can provide high-quality communication and goal-concordant care. A retrospective analysis of MDACC's pancreatic patients found that 34% were referred to palliative care.

Instructor Characteristics That Increase Self-Efficacy In Nursing Students, Kaycee J. Jacobson

Dissertations

With the current nursing shortage, finding ways to increase nursing retention in graduate nurses can help ease the shortage. Self-efficacy is a factor that contributes to an individual's well-being and can affect their professional accomplishments. The purpose of this study, guided by Bandura's theory of self-efficacy, was to identify instructor characteristics that may impact student perceived self-efficacy in the clinical setting. Bandura identified self-efficacy as a factor that contributes to an individual's well-being as a whole and can affect their professional accomplishments. A sample of 19 nursing students who were enrolled in a clinical course were recruited and completed the …

Long Covid Patients: A Phenomenology Study Exploring Mental Health And Psychosocial Adaptation To Disability, Tonia Joy Lans

Dissertations

In the United States, approximately 1 in 13 long COVID patients experience adverse complications two to three years post-recovery (Centers for Disease Control and Prevention, 2022), including physical, psychological, and cognitive impairment, issues with daily functioning, and difficulties returning to work (del Rio et al., 2020; Greenhalgh et al., 2020; Ladds et al., 2020; Logue et al., 2021). Moreover, collective research has indicated the debilitating complications of long COVID often result in impaired mental health, chronic illness, and disability. While significant research efforts have started to accumulate data to understand and treat the physical and neuro-logical manifestations of this chronic …

Professional Learning Communities: Structures And Implementation For Small Middle Schools And Singleton Teachers, Gerrie Aulisa

Dissertations

Professional Learning Communities are essential to building interdependent collaborative teacher teams to elevate teaching and learning for students. One struggle with implementing PLCs comes about when you have singleton teachers who do not have a colleague who teaches the same grade and content as them. This study reviewed the research-based PLC implementation strategies used at one small middle school. The main research question was: How can PLCs work effectively for small middle schools and singleton teachers? Other related questions were:

● How can PLCs feel relevant to our elective area teachers?

● What determines a successful PLC?

● Should middle …

Undergraduate Student Sense Of Belonging And Edtech Tool Engagement: A Mixed Methods Exploration Of The Virtual Campus Experience, Veronica Wilson

Dissertations

The contemporary postsecondary learning experience is heavily mediated by educational technology (EdTech) tools and yet little is known about the ways in which these tools impact student engagement and sense of belonging, two indicators which are important to student persistence and graduation. Using Strayhorn’s (2023) critical socioecological sense of belonging framework, this convergent mixed methods study offers insights into these relationships by examining student engagement with EdTech and student sense of belonging and the impact of student traits on the relationship between EdTech and sense of belonging. This study was conducted at a private, broad access Hispanic-Serving Institution in the …

A Program Evaluation Of The Necessary Attributes, Accommodations, And Resources Neurodivergent Students Require For Success In Higher Education, Barbara Muñoz

Dissertations

Without academic resources and accommodations, neurodivergent students with mild to moderate Learning Disabilities (LD) may be unable to navigate the academic challenges and rigor associated with college success. I used a mixed-methods research design to collect data from various stakeholders to determine the supports neurodivergent students with LD need to be successful in college. My findings indicated students need accommodations for their learning differences, access to assistive technology, access to counseling or mental health services, and access to specialized support personnel to be successful. I recommended a policy to ensure neurodivergent students and their caregivers are aware of post-secondary institutions …

Teaching Writing With The Digital Feedback Protocol: A Peer-To-Peer Intervention To Increase Elementary Student Writing Motivation, Karyn Keenan

Dissertations

Writing is a complex task, especially for elementary school writers; motivation in writing leads to greater writing performance and writing quality. Teachers enter their careers underprepared to teach writing and have to seek out professional development on writing for themselves. Technology can be leveraged in the elementary writing classroom, but it is an under researched area. The Digital Feedback Protocol is a case study dissertation study with an embedded professional development opportunity that supports teachers to implement a protocol for students to provide digital feedback to each other’s writing. The study was conducted with four third grade teachers and their …

Hear Their Voices: Black Male Student Perceptions Of Retention Initiatives At An Hsi In The Midwest, Joshua Watson

Dissertations

The enrollment of Black male students in colleges and universities over the last 30 years increased yet Black male retention rates have not increased proportionately to the enrollment rates of Black male students. Many colleges and universities recognized the importance of increasing Black male retention and invested millions of dollars in Black male retention initiatives, mentorship initiatives as well as hiring additional staff dedicated to Black male retention. Black male students use a variety of social support systems and coping strategies to persist in college despite facing economic, social, and political barriers to persistence. However, many Black male retention initiatives …

Why Not Community College As A Pathway To A Degree, Gretchen Jorndt Reyes

Dissertations

This qualitative phenomenological study aimed to understand if Gen X parents are motivating their Gen Z students' college choice not to attend community college. The few studies that focused on parent involvement in choosing a community college did not focus on the generational differences between parents and their children when it came to college choice, they also did not focus on whether parents influenced their children to attend community college or not (Bers, 2005; Bers & Galowich, 2002).

The study explored Ajzen’s Theory of Planned Behavior and how his theory and the college choice process are intertwined during the college …

Estimating And Applying Parameters Necessary To Plan Cluster Randomized Trials (Crts) And Multisite Cluster Randomized Trials (Mscrts), Dea Mulolli

Dissertations

Cluster randomized trials (CRTs) are commonly used to study the effectiveness of educational interventions. During the design phase of a study, it is critical for researchers to ensure their studies are adequately powered to detect meaningful treatment effects, including both main and moderator effects. Designing CRTs with adequate power to detect main and moderator effects requires accurate estimates of design parameters. This research aims to advance the literature on design parameters for power analyses, specifically focusing on empirical estimates of intraclass correlations (ICCs). The work consists of three research papers that examine the role of including the teacher level in …

A Model For Spacecraft Relative Motion Using Continuous Periodic Thrust, Philip Alan Hittepole

Dissertations

A model for modifying the relative orbit of a deputy satellite with respect to a chief satellite in a near-circular orbit using continuous periodic thrust is presented. This model is built on the Lovell-Spencer relative orbital elements (ROEs). The four linear ROEs (xr, yr, ar, and Az) can be linearly modified. The two angular ROEs (Er and ) can be set to advance at a desired, constant rate. Each ROE can be modified individually but may cause intra-orbit variations in other ROEs which return to their original values at the end of a thrust cycle. A method to easily calculate …

An Experimental Study Of Supervised Machine Learning Techniques For Minor Class Prediction Utilizing Kernel Density Estimation: Factors Impacting Model Performance, Abdullah Mana Alfarwan

Dissertations

This dissertation examined classification outcome differences among four popular individual supervised machine learning (ISML) models (logistic regression, decision tree, support vector machine, and multilayer perceptron) when predicting minor class membership within imbalanced datasets. The study context and the theoretical population sampled focus on one aspect of the larger problem of student retention and dropout prediction in higher education (HE): identification.

This study differs from current literature by implementing an experimental design approach with simulated student data that closely mirrors HE situational and student data. Specifically, this study tested the predictive ability of the four ISML classification models (CLS) under experimentally …

Exploring Secondary Teachers' Digital Curricular Autobiographies As A Path Towards Digital Equity: A Currere Journey, Douglas S. Vandyke

Dissertations

Combining a narrative approach with portraiture and theoretically framed by reconceptualism and critical digital pedagogy, this study explores participants’ beliefs about and experiences using information and communication technologies (ICT) for learning. It also explores participants’ understanding of digital learning as essential to educational equity in a postdigital society. Participants were secondary teachers serving socio-economically marginalized Black and Latinx students across four public high schools in Chicago. Through a series of semi-structured interviews each constructed a version of their digital curricular autobiography (currere). Through this reflection, participants recalled their own experiences being excluded from learning which contributed to their …

Encendiendo La Intuición/Igniting Intuition: A Bilingual Reading Specialist's Lived Experiences And Reclaiming Of Literacies, Dora M. Guzmån

Dissertations

This autoethnography explores the researcher’s lived experiences as a first-generation Latina, bilingual reading specialist who developed biliteracy in English/Spanish from childhood through adulthood and how this ignited her cultural intuition. Framed by a critical, Chicana feminist lens, she analyzed her personal and professional biliteracy practices and cultural intuition to understand how she supported young bilingual readers. Qualitative data were collected retroactively and in-the-moment (e.g., voice/written reflective memos, journals). The study research focused on how her cultural intuition guided: a) her role and practice as a bilingual reading specialist; b) her role and practice as a bilingual literacy practitioner of bilingual …

Design, Synthesis And Characterization Of Zinc And Gold-Based Metal Organic Frameworks And Complexes For The Detection And Treatment Of Cancer, May Reda Mohamed

Dissertations

The early detection of cancer plays a pivotal role in improving patient outcomes, emphasizing the urgent need for highly sensitive and selective biosensing platforms. Metal-Organic Frameworks (MOFs) have emerged as promising candidates in this domain due to their tunable properties, large surface area, and high porosity. Herein, the utilization of zinc-based MOF as a sophisticated biosensing platform tailored for the precise detection of the HER2 cancer biomarker is presented. HER2, a critical protein marker in breast cancer diagnostics and treatment, demands highly selective and accurate detection methods for effective patient management. Simple hydrothermal synthesis methodology has been adopted to synthetize …

Evaluation Of Native Plant Integration, Subsoil Amendment, And ‘Foodscaping’ As Means Of Increasing The Environmental Feasibility Of Public Urban Greenery In The Gulf Region, Ayesha Rashed Alam

Dissertations

Public parks and gardens greatly contribute to the residential and touristic value of cities of the Gulf Region, but their maintenance is associated with high environmental and economic costs. The high potential evapotranspiration and summer temperatures greatly limit the choice of suitable landscaping plants, and light sandy soils with a high weed potential challenge the water management. The United Arab Emirates is characterized by a rapid urban development and population growth, resulting in increasing competition between green amenities and crop farming for irrigation water, cultivable land, and workforce. Various strategies and technologies have been proposed to increase the resource use …

Effects Of A Taekwondo-Inspired Intervention Program On Children With Adhd, Zubaida Fares Shraim

Dissertations

Exercise and physical activity are beneficial for individuals with Attention Deficit Hyperactivity Disorder (ADHD). The main aim of this study is to investigate the effect of a Taekwondo-inspired intervention program on children with ADHD in the UAE context. The research utilized a mixed methods/quasi-experimental design approach, consisting of two phases. Within the first phase, a promising intensive intervention for children with ADHD has been implemented for five weeks, four sessions weekly. The sample of the first phase consisted of four children aged 8-10 years diagnosed with ADHD. Three assessment instruments were used to collect data in phase one and explore …

Empirical Exploration Of Software Testing, Samia Alblwi

Dissertations

Despite several advances in software engineering research and development, the quality of software products remains a considerable challenge. For all its theoretical limitations, software testing remains the main method used in practice to control, enhance, and certify software quality. This doctoral work comprises several empirical studies aimed at analyzing and assessing common software testing approaches, methods, and assumptions. In particular, the concept of mutant subsumption is generalized by taking into account the possibility for a base program and its mutants to diverge for some inputs, demonstrating the impact of this generalization on how subsumption is defined. The problem of mutant …

Network Slicing And Noma Enabled Mobile Edge Computing For Next-Generation Networks, Mohammad Arif Hossain

Dissertations

The advent of next-generation wireless networks ushers in a new era of potential, harnessing cutting-edge technologies like mobile edge computing (MEC), non-orthogonal multiple access (NOMA), and network slicing as pivotal drivers of transformation. Within this landscape, an innovative approach is proposed by introducing a NOMA-enabled network slicing technique within MEC networks. This approach aims to achieve multiple objectives: meeting stringent quality of service requirements, minimizing service latency, and enhancing spectral efficiency. By seamlessly integrating NOMA with network slicing in edge computing environments, significant reductions in overall latency are achieved, alongside ensuring optimal resource allocation for NOMA users. To address these …

Integrating Laser Charging And Drones For Secure Edge Computing, Weiqi Liu

Dissertations

Drone-mounted base stations (DBSs) have emerged as a promising solution to enhance the flexibility and coverage of wireless networks, potentially revolutionizing communication systems. This dissertation explores the integration of DBSs into 5G and beyond networks, focusing on methodologies to optimize their deployment and performance. A laser charging-enabled DBS framework is proposed to extend flight time and enhance network coverage. By leveraging laser charging technology, the DBS can receive continuous energy transmission from a ground-based charging station while providing communication services to users. The framework is formulated as an optimization problem to jointly maximize flight time and communication data rate, while …

On The Ubiquity, Properties And Evolution Of Small-Scale Magnetic Flux Ropes In The Heliosphere, Hameedullah Farooki

Dissertations

The solar wind is a plasma constantly blowing out from the Sun with a large-scale magnetic field having significant local complexity at small scales. Small-scale magnetic flux ropes (SMFRs), plasma structures with twisted field lines, are an important element of this complexity. This dissertation contributes several studies that further our understanding of SMFRs. The first study applies machine learning to measurements from Wind labeled by the presence of SMFRs and magnetic clouds (MCs). MCs were distinguished from non-MFRs with an AUC of 94% and SMFRs with an AUC of 89% and had distinctive plasma properties, whereas SMFRs appeared to be …

Interaction Of Particles With Plasma And Shock Produced By Pulsed Spark Discharge, Shomik Mukhopadhyay

Dissertations

Interactions of powders with high-temperature plasma and shockwaves occur in diverse scenarios, such as nuclear blasts, accidental industrial dust explosions, solid propellant combustion in explosive charges and when removing contaminants from surfaces. Electrostatic Discharge (ESD), known for generating shock and plasma, is a promising lab-scale technique for simulating these interactions. Studies with ESD involved placing powders near a spark-producing gap between electrodes and observing mechanical and chemical processes like particle motion and ignition. A limited range of spark conditions and material properties have been tested, which facilitated the development and validation of preliminary computational models describing this system. Significant gaps …

Decentralized Control Of Renewable Generation Systems, Milad Shojaee

Dissertations

As the global community struggles with the escalating challenges of climate change and environmental degradation, the transition to renewable energy sources has emerged as a paramount solution. Harnessing energy from renewable sources such as solar, wind, and hydro power not only alleviates the adverse effects of conventional fossil fuel energy sources, but also establishes a foundation for a sustainable and resilient future. Microgrids have been utilized as a feasible platform to integrate renewable energy sources into the electrical power generation networks. They include one or more generation units connected to nearby users, and are able to operate in both grid-connected …

Sensing With Integrity: Responsible Sensor Systems In An Era Of Ai, David Eisenberg

Dissertations

Deep and machine learning now offer immense benefits for consumer choice, decision-making, medicine, mental health and education, smart cities, and intelligent transportation and driver safety. However, as communication and Internet technology further advances, these benefits have the potential to be outweighed by compromises to privacy, personal freedom, consumer trust, and discrimination. While ethical consequences for personal freedom and equity rise from these technological advances, the issue may not be the technology itself but a lack of regulation and policy that allow abuses to occur. A first study examines how emerging sensor-based technologies, limited to only accelerometer and gyroscope data from …

A Molecular Dynamics Study On The Destruction Mechanism Of Per And Polyfluoroalkyl Substances Due To Ultrasound Technology, Bruno Bezerra De Souza

Dissertations

Per- and polyfluoroalkyl substances (PFAS) are a group of stable synthetic chemicals that are highly persistent and harmful pollutants to the environment and human health. PFAS have caused a strong public and regulatory response due to their ubiquitous presence in the environment and toxicity to humans. The application of ultrasound is one of the most effective treatment technologies for the mineralization of PFAS in contaminated water. However, this technology is treated as a black box causing the inability to be optimized. Therefore, there is a pressing need to investigate the intricate dynamics of PFAS degradation under ultrasound to unlock its …

Molecular-To-Continuum Scale Modeling Of Aerosols: Atmospheric Application And Beyond, Ella Ivanova

Dissertations

Aerosol modeling is critical for various applications, such as climate forecasting, air quality, and human health impact assessment. During their lifetime, aerosols undergo a complex evolution, usually divided into several stages — formation, processing, transport, and removal — that occur on different scales. Thus, the choice of modeling methods depends on the stage considered. For example, certain stages of particle formation may require nano-scale modeling while aerosol-cloud interactions span from microscale to mesoscale. This study examines the modeling of aerosol behavior over a wide range of scales, from nano to microscale, with implications to mesoscale.

This dissertation focuses on two …