Digital Commons Network^™

A Rapid Systematic Review Of Just-In-Time Training Interventions During Health Emergencies: Types Of Interventions, Development Process, Ann Miller, Andy Todd, Venkata Naga Sreelalitapriya Duvuuri, Kian Soltani, Rebecca Freihaut, Laura Boutemen, Kishan Vishanagra, Jessica Hoffman, Timothy Sellnow, Om Patel, Xin Sheng, Shalewa Babatayo, Olga Willard, Heini Utunen, Jane Noyes, Giselle Balaciano

Faculty Scholarship and Creative Works

Background

The World Health Organization (WHO) Health Emergency Programme funded three rapid systematic reviews to inform development of guidance for emergency preparedness in health emergencies. The current review investigated the type of learning interventions that have been developed and used during health emergencies, and how they were designed and implemented.

Methods

Studies were included if they described just-in-time training to bridge a specific gap in knowledge or skills in a health emergency. Degree-building, institutional capacity-building, health workforce training, and general crisis preparedness were excluded. We searched PubMed, CINAHL, Communication and Mass Media Complete (EBSCO) (June 2023), and Web of Science …

Government Corruption In The Northern Triangle Of Central America As A Major Factor In The Immigration Crisis In The United States, Kenia Karina Rodriguez Turcios

Honors Program Theses and Research Projects

Immigration trends to the United States from Central America are often blamed on violence and insecurity created by cartels and street gangs. However, corruption in the government system in Central America is an understudied factor that might influence immigration from the region. This article adds to the literature on immigration by proposing that government corruption in the Northern Triangle is an important “push” factor which leads individuals to emigrate to the United States. Incorporating the role of corruption in our understanding of why we see large numbers of individuals fleeing their home countries to enter the United States provides us …

The Effect Of Supranational Organizations On Investment Project Success, Isaiah D. Chavez

Honors Program Theses and Research Projects

Supranational organizations, such as the World Bank, associate with member countries from across the world that cede an aspect of their authority and sovereignty. 137 countries partner with supranational organizations for the purpose of seeking benefits whether financially, militarily, or politically. Without understanding the effectiveness of supranational organizations, international communities risk becoming negatively impacted through the means of inaccurate support via financial aid through investment projects. This study analyzes the relationship between investment project success and support with supranational organizations. This paper proposes that bilateral support and multilateral support in collaboration with supranational organizations reveals a positive correlation when partnering …

Amplification-Free Rapid Detection Of Specific Oligonucleotides Through Formation Of Core-Satellite Nanostructures On Solid Substrates, Vineet Kumar Jayakrishnan

Material Science and Engineering Theses - Archive

A rapid, portable, and highly sensitive method for detecting specific pathogens like Covid-19 would be invaluable for public health and emergency responses. The current standards like PCR and RT-PCR, are incredibly sensitive but also time-consuming, require skilled personnel, and demand substantial lab space. Here, we propose an alternative method capable of detecting specific oligonucleotide sequences within just 3 minutes, using a portable silicon or glass substrate (6 mm x 9 mm). We demonstrated this using 67-mer oligonucleotides with a Covid-19 sequence as a model system, achieving a detection sensitivity down to 1 nM. Our approach involves sandwiching target COVID-19 oligonucleotides …

Development Of Advanced Instrumentation For High-Enthalpy Flow Characterization For The Onr-Uta Arc-Jet ”Leste” Facility, Ian Raybon

Mechanical and Aerospace Engineering Dissertations - Archive

Sustained hypersonic flight is an exceedingly challenging task comprised of a myriad of complex physical processes. At hypersonic speeds, which is defined by the presence of unique phenomena like high-temperature nonequilibrium flow, viscous and vorticity interactions, and thin shock layers, which are not seen in supersonic, transonic, or subsonic vehicles, the vehicle design is principally driven by the high levels of aerodynamic heating caused by the conversion of kinetic energy to internal energy. Gaining an understanding of how these physical processes interact with each other is required to develop a design methodology for this class of vehicles. Arc-jet wind tunnels …

Investigation Of Bone Structure And Composition Differences In Osteofibrous Dysplasia And Neurofibromatosis Type 1, Farzaneh Fereidouni

Material Science and Engineering Dissertations - Archive

Abstract

Investigation of Bone Structure and Composition Differences in Osteofibrous Dysplasia and Neurofibromatosis Type 1

Farzaneh Fereidouni, Ph.D.

The University of Texas at Arlington, 2024

Supervising Professor: Harry F. Tibbals

Bone genetic diseases such as Osteofibrous Dysplasia (OFD) and Neurofibromatosis type 1 (NF1) present significant challenges, particularly in children, due to their effects on skeletal homeostasis. This study aims to apply advanced material analysis to elucidate the biological disparities associated with OFD and NF1 bone dysplasia and contribute to developing diagnostic protocols and remediation approaches for these and similar bone disorders.

By employing various analytical methods, including analysis of mineral-to-matrix …

A Low-Noise, Low-Power Cmos Readout Ic For Amperometric Electrochemical Sensing System, Manu Chilukuri

Electrical Engineering Dissertations - Archive

Electrochemical sensing systems have become essential tools in numerous fields due to their exceptional sensitivity, selectivity, and versatility. They play a critical role in modern research, industry, environmental monitoring, and healthcare applications. In environmental monitoring, these systems are utilized to detect pollutants, heavy metals, and toxic gases, enabling real-time monitoring and ensuring environmental protection. In the biomedical sector, electrochemical sensing systems are vital for diagnosing diseases, monitoring biomarkers, and transforming healthcare practices.

Affordable wearable electrochemical sensing devices are crucial for making healthcare more accessible and improving public health outcomes. These devices allow for continuous monitoring of physiological parameters, supporting early …

Resource Management And Optimization Of Interactive Microservice And Mpi-Based Ensemble Applications In The Cloud, Md Rajib Hossen

Computer Science and Engineering Dissertations - Archive

As user-interactive applications in the cloud transition from monolithic services to agile microservice architectures, efficient resource management becomes a key challenge. The multitude of loosely coupled components and fluctuating traffic patterns make traditional cloud autoscaling methods ineffective. Existing machine learning-based approaches, while attempting to address this, often require extensive training data and can lead to intentional violations of service level objectives (SLOs). To tackle these challenges, I propose PEMA (Practical Efficient Microservice Autoscaling), a lightweight resource manager for microservices. PEMA aims to optimize resource allocation through opportunistic resource reduction, considering the intricate dependencies between microservices.

On another front, scientific workflows …

Leveraging Software Testing Techniques To Explain, Analyze, And Debug Machine Learning Models, Sunny Shree

Computer Science and Engineering Dissertations - Archive

Machine learning (ML) algorithms are changing many aspects of modern life by analyzing data, identifying patterns, and making predictive decisions across industries such as healthcare, transportation, finance, and e-commerce. However, ML models often operate as "black boxes," making it difficult to interpret their decision-making processes. This lack of transparency creates challenges in testing, debugging, and understanding model behavior, which affects user trust and raises concerns about trustworthiness, accountability, reliability, and fairness in high-stakes applications.

Explainable Artificial Intelligence (XAI) aims to address these challenges by providing tools and methods that explain the decision-making processes of ML models in a way that …

Kissing Bond Assessment In Adhesive Bonded Carbon Fiber Reinforced Composites Using Dielectric Spectroscopy, Minhazur Rahman

Mechanical and Aerospace Engineering Dissertations - Archive

The widespread use of fiber-reinforced composites in industries such as space, aviation, automobiles, and construction necessitates the formation of robust composite joints between critical structural components. Although adhesive-bonded joints are superior with improved load distribution and reduced weight, they are often overlooked in favor of bolted joints and mechanical fasteners due to the lack of reliable Non-Destructive Evaluation (NDE) techniques for adhesive-bonded composites. The anisotropic nature of the substrate and the intricate interfacial interactions between the adherend and adhesive material present significant challenges for conventional NDE methods. Moreover, weak adhesive bonds can result from uncontrolled manufacturing parameters, such as accidental …

Design And Experimentation Of Novel Human Head Surrogate Models For Sensing Traumatic Brain Injury, Arthur T. Koster

Mechanical and Aerospace Engineering Dissertations - Archive

Brain injury is a significant source of mortality in the US and has been an important area of research over the past century. The need to understand injury thresholds and pathology coupled with the difficulty of measuring relevant injury mechanisms in a living subject logically gives rise to the idea that researchers need to create head models for use in simulation and experimentation. This study focuses on understanding the effects of material properties, size, and shape on the dynamic response of a head model so that head models used in simulations and experiments can more accurately represent the real human …

Introduce Ultrasound Fabry-Pérot Resonator For Attenuation Characterization And Sensitization Detection Of Aluminum-Magnesium Alloys, Songwei Wang

Mechanical and Aerospace Engineering Dissertations - Archive

The Ultrasound Fabry-Pérot Resonator (UFPR) is introduced as a novel technique for non-destructive evaluation and material characterization. By adapting optical Fabry-Pérot Resonator principles to ultrasonic systems, UFPR inherits advantages such as enhanced sensitivity, reduced uncertainty, and the capabilities of frequency-dependent analysis and fringe spectral analysis. This study focuses on UFPR’s application to ultrasonic attenuation characterization and sensitization detection in aluminum-magnesium alloys, which are critical for understanding microstructural changes and improving material performance.

The research was conducted in three systematic steps. First, time-frequency analysis was utilized to examine frequency-dependent attenuation behavior, establishing a foundation for ultrasonic attenuation characterization. Second, longitudinal UFPR …

Development Of A 3d Printed Optimization-Driven Aeroelastically Scaled Wind Tunnel Model For High Aspect Ratio Flying Wings, Mikaela K. Leevy

Mechanical and Aerospace Engineering Theses - Archive

Design optimization coupled with 3D printing and parametric CAD offers a unique approach to investigating flutter phenomena by creating low-cost iterative aeroelastic wind tunnel models. Recently, there is an interest in studying flutter phenomena at low air speeds in flying wing configurations. The X-56 experimental flying wing was designed to investigate flutter phenomena and flutter suppression, which makes the X-56 a logical choice for the full-scale model. The goal of this work is to optimize, physically print, and geometrically characterize a scaled aeroelastic wind tunnel model. The 18% reduced scale X-56 model was optimized by matching the mode shapes to …

Study Of A Multi-Agent Containment Problem Under Communication Constraints And Defense From Malicious Agents, Braulio Mora

Mechanical and Aerospace Engineering Theses - Archive

This thesis investigates a multi-agent containment problem where a fast evader, moving at a constant speed and heading, attempts to escape a circular containment region. A team of slow pursuers possess a nonzero capture radius and seek to capture the evader before escape. The research addresses two primary scenarios: one involving the team of pursuers, with no communication network, being constrained to the edge of the containment region, and the second involving a team of pursuers, with a communication network, not being constrained to the edge of the containment region. Both scenarios study the influence of malicious agents in the …

Thermal Damage And Mechanical Failure Analysis Of Polymers, Tina Ko

Mechanical and Aerospace Engineering Theses - Archive

As the demand for more intricate and precise components increases, polymers continue to stand out for their flexibility, durability, and adaptability across numerous applications. From aerospace to biomedical engineering industries, polymers are valued for their versatility and customizability, enabling the creation of complex geometries or achieving specific material properties. Since polymers are widely used, analyzing their thermal and mechanical properties is essential to understand their behavior under high-energy exposure or defects. Two types of polymers were analyzed: Polydimethylsiloxane (PDMS) and 3D-printed digital materials. This thesis investigates the mechanical and thermal response of polymers through two distinct studies. The first part …

Dynamics Of Separated Flows In Diffusers With Vortex Generators, Sandeep Eldho James

Mechanical and Aerospace Engineering Dissertations - Archive

Flow through curved diffusers is complicated due to the possibility of flow separation and secondary flows. Vortex generators (VGs) are a class of passive flow separation control devices used to improve the flow quality in curved diffusers by suppressing flow separation. However, the literature review demands an in-depth investigation on the physical mechanisms related to flow separation control. Thus, this study aims to improve the understanding of the underlying flow physics associated with VG-induced flow separation control in confined flows. The chosen geometry for this study is a well-documented asymmetric diffuser which exhibits a mild flow separation.

The theoretical formulation …

Core Values In Public Administration And Policy: Three Levels Of Evaluation In The Public Sector, Emily Brandt, Alejandro Rodriguez, Karabi Bezboruah, Emily Nwakpuda

Public Affairs Dissertations - Archive

This dissertation is composed of three separate but interrelated papers that examine the role of core values in public administration and public policy and how they show up at the societal, bureaucratic, and individual levels to inform the identification of the use of values, engaging proper awareness of how these values impact public sector actions, and how individuals can engage the right values frameworks in the face of conflict in various public and public service contexts. The first paper takes a societal look at core values via a systemic literature review on American morality policies; policies that inspire great debate …

The Interplay Of Rightsizing And Growth Strategies In Legacy Urban Communities, Alfonso Riera

Planning Dissertations - Archive

This research investigates the rightsizing strategies of a mid-sized, shrinking city in Ohio, to explore the tensions and complexities that rightsizing efforts introduce into the urban governance landscape. The questions that guide this research draw on the theories of rightsizing to reveal the ways in which rightsizing efforts implemented by city officials enabled economic revitalization as well as cultivated a pipeline to urban growth efforts. The research findings contribute to our understanding of rightsizing by revealing the ways that shrinking cities struggle to fully adopt rightsizing as its own end goal, rather than a means to a growth-oriented urban landscape. …

Socioeconomic Impacts Of The Employment Sub-Centers On The Surrounding Areas In The Dallas- Fort Worth Metropolitan Area (Dfw) From 2002 To 2020, Aliasghar Rahimioun

Planning Dissertations - Archive

This dissertation analyzes the effects of the employment sub-centers on the surrounding area. It does so by examining the percentage changes in workers' socioeconomic characteristics such as age, earnings, and industry sectors from 2002 to 2020 while controlling for job and population density. The data for this study is derived from the Workplace Area Characteristics (WAC) data set.

The dissertation aims to answer five crucial research questions. These questions delve into how the percentage change of socioeconomic characteristics of employment sub-centers affects households' income, ethnicity, age, and gender in the surrounding area of the employment sub-centers. The study also seeks …

Teacher Self-Efficacy In The Wake Of Natural Disaster, Megan L. Mccleskey

Educational Leadership & Policy Studies Dissertations - Archive

This study examines teacher self-efficacy after natural disasters, analyzing qualitative data from 10 high school educators from urban, suburban, and rural areas. Using qualitative methodology, interviews were conducted to investigate the impact of natural disasters on teachers’ professional confidence. Findings suggest that natural disasters influence teachers’ self-efficacy, affecting instructional planning and relationship building with students, colleagues, and administrators. This research contributes to understanding how educational institutions can better support teachers in crisis, offering actionable recommendations for professional development and administrative support.

Human System Composite Performance Measures: General Systems Performance Theory Insights, Lawrence Disalvi

Bioengineering Dissertations - Archive

Composite Performance Measures (CPMs) of human performance are widely employed in applications that range from mundane to life-changing, yet they are frequently presented without explanation or reference to theoretical underpinnings. The conceptual soundness of a widely used CPM approach, based on additive combination of constituent components, has been called into question by Kondraske. He argues the relevance of General Systems Performance Theory (GSPT) and performance capacity envelope concepts when applied to multidimensional CPM measures.

To obtain evidence-based answers to assertions regarding CPM types and rationale employed in medical and non-medical contexts, a Systematic Descriptive Review was conducted. Separately, the GSPT-based …

Patterns Of Gifted Program Participation In Elementary School, Marisa B. Saenz

Educational Leadership & Policy Studies Dissertations - Archive

High-achieving students of color and students from low socioeconomic backgrounds continue to fall behind their White peers and are not reaching their full academic potential. The purpose of this study was to determine the effects of student socio-demographic characteristics, teacher beliefs and classroom practices, and school climate on the retention of high-achieving elementary school students identified as gifted. Bronfenbrenner’s ecological systems theory was used to propose an analytical framework for the study to help understand and interpret how these factors influence student participation patterns in gifted programs as described by the giftedness typology of stoppers, jumpers, continuers.

The results of …

Social-Emotional Learning In High School: How High Schools Engage, Educate, And Empower Youth, Jessica L. Atkins

Educational Leadership & Policy Studies Dissertations - Archive

In recent decades, the mental health needs of youth have increased, as has interest in social-emotional learning (SEL) in K-12 schools. SEL instruction has been proposed as a way to meet these growing needs while schools struggle with shortages of school-based mental health professionals. While extensive research has been conducted regarding SEL, the majority of these studies have focused on structured programs in preschool and elementary-level populations. As a result, students at the secondary level, particularly those in high school, have received limited attention. In this dissertation, I present my research that explores SEL at the high school level.

This …

Spray-On Sensor Formulations That Enable Detection Of Physical And Chemical Stimuli, Priyanka Shiveshwarkar

Bioengineering Dissertations - Archive

Polydiacetylene based materials have been used for a variety of liquid phase sensing applications. There remains a need for low cost, easy-to-read gas phase sensors for continuous monitoring of physiological parameters and environmental hazards at work or at home. Such sensors could have applications in everyday life, for example as point-of-care or at home testing devices to enable early detection of disease to reduce healthcare costs. Making accessible and non-invasive technologies for monitoring of health and health risks provides individuals with the ability to be proactive in regard to their health and safety. In other examples, environmental monitoring systems could …

Development Of Anti-Microbial Nanocoatings On Metallic Surfaces To Prevent Infections, Luis Fernando Soto Garcia

Bioengineering Dissertations - Archive

Healthcare-associated infections have a prevalence of about 7% in the United States and up to 50% in some developing nations. They not only present a constant risk for inpatients and healthcare workers but are also a serious challenge to human health services worldwide. These infections can be transmitted via contaminated non-critical surfaces like doorknobs and bedrails, which are routinely cleaned with low-level disinfectants approved by the U.S. Environmental Protection Agency. However, this strategy has limited efficacy since recontamination occurs, resulting in these surfaces again becoming vectors of infection. In this work, we addressed this issue by developing a self-disinfecting nanocomposite …

Exploring Black Women Initiative Programs At Community Colleges: Potential Possibilities For Institutional Support, Erin K. Lewis

Educational Leadership & Policy Studies Dissertations - Archive

The existing literature lacks sufficient exploration of Black women’s experiences of a sense of belonging in institutional-sponsored programs centered around their Black and Woman identities at community colleges. Using a collective case study qualitative methodology, the purpose of this study was to understand Black women's experiences of a sense of belonging in institutional-sponsored initiative programs centered around their Black and woman identities at community colleges. The research question guiding this study is: How do Black women experience a sense of belonging in initiative programs centered around their Black and woman identities at community colleges? And to what extent? The conceptual …

School Copaganda In The Us South: Tinsel, Twinkle, And Police-Youth Programming, Hannah Carson Baggett, Kaitlyn Selman

Faculty Publications - Criminal Justice Sciences

Told in schools across the US for decades, Officer Friendly is a story about policing. Through the literal reading of books like Miss Frances’ 1953 Your Friend the Policeman, visits from McGruff the Crime Dog, and even the ever-expanding TikTok world of dancing SROs, the story remains the same: police keep us safe from the bad guys. In this paper, we draw on data from school and police social media accounts in a community in Alabama to expose the bad faith underpinnings of this story, and how it functions through ‘friendly’ police-youth programming in schools. This story relies on at …

Explaining The Relationship Between Intimate Partner Violence Victimization And Human Immunodeficiency Virus Status In Transgender And Nonbinary Individuals, Kimberly A. Ingold, Brent Teasdale

Faculty Publications - Criminal Justice Sciences

Study Questions: Previous research has shown that human immunodeficiency virus (HIV) status and intimate partner violence (IPV) victimization are correlated. Furthermore, it has been consistently reported that transgender individuals are at an increased risk of experiencing IPV victimization and testing positive for HIV compared to cisgender individuals. However, past research examining the potential explanations for the correlation between HIV status and IPV victimization in transgender individuals using a large and inclusive sample is nonexistent. Subjects: A total of 12,592 transgender and nonbinary individuals from across the United States were included in the analyses. Methods: Through a bivariate probit analysis of …

Net-Zero Home Race: Gamification For Learning Energy Consumption Merit, Terry E. Payne

Civil Engineering Theses - Archive

Buildings have contributed significantly to carbon emissions over the past decades, amplified by rapid construction growth. To address this, sustainable concepts like energy efficiency and financial planning for home retrofitting have become essential in promoting environmentally conscious practices. NZHR was created as a gamified experience to help bridge the gap between education and motivational enjoyment. Testing the game demonstrated participants' ability to learn and understand the importance of strategic thinking with home retrofit upgrades. Gamification principles such as the Octalysis and Bartle test were incorporated into the design process to construct a well-rounded game that provides intrinsic and extrinsic principles. …

Critical Convergence: Mapping The Boundaries Of How Faculty Interrogate Whiteness In The Geoscience Educational Landscape, James E. Hobbs

Educational Leadership & Policy Studies Dissertations - Archive

This study examined the role of faculty members in interrogating whiteness within geoscience education. The dominant reliance on whiteness as the primary way of knowing in geoscience education has long perpetuated a singular perspective that serves as a mechanism for reinforcing existing power structures rooted in white supremacy. Drawing on tenets from Critical whiteness Studies, Curriculum Theory, and Transformative Learning Theory, this research investigated U.S. higher education faculty members' strategies and challenges in disrupting whiteness within the geoscience curriculum.

Through critical qualitative narrative inquiry, data were collected through semi-structured interviews with geoscience faculty members across multiple institutions across the United …