Digital Commons Network^™

Subnational Map Of Poverty Generated From Remote-Sensing Data In Africa: Using Machine Learning Models And Advanced Regression Methods For Poverty Estimation, Lionel N. Hanke

Master's Theses

According to the 2020 poverty estimates from the World Bank, it is estimated that 9.1% - 9.4% of the global population lived on less than $1.90 per day. It is estimated that the Covid-19 pandemic further aggravated the issue by pushing more than 1% of the global population below the international poverty line of $1.90 per day (WorldBank, 2020). To provide help and formulate effective measures, poverty needs to be located as exact as possible. For this purpose, it was investigated whether regression methods with aggregated remote-sensing data could be used to estimate poverty in Africa. Therefore, five distinct regression …

Analysis Into Artificial Intelligence And Its Developing Dynamic And Relationship In Agricultural Supply Chains, Samantha Jane Ault

Master's Theses

The thesis explores artificial intelligence (AI) in agricultural (Ag) supply chains (SCs) and presents a new typology to understand artificial intelligence-based solutions in agricultural SCs. The thesis was performed utilizing a research-based review to investigate the current uses of artificial intelligence-based solutions in agricultural SCs. The AI-based solutions were found in case studies that reviewed AI operations in different areas internationally.

The typology was formed on the foundation of two dynamics, the location of AI applications in Ag SCs and the driving values to integrate the AI applications. In order to develop the typology, the AI applications were studied in …

The Affect Of Globalization On Terrorism, Philip R. Passante

Master's Theses

This thesis proposal will dive into the concept of terrorism and how it is an act of force and has proven to be detrimental to the modern world. In addition, this thesis will analyze the concept of terrorism as well as the rationale behind it. It is important to understand and study this as terrorism is a complex entity made up of different themes. The concentration of this thesis will highlight how globalization has affected the phenomena of terrorism in the past, present, and ultimately the future. Globalization and terrorism have a relationship that many scholars and researchers have noticed. …

The Relationship Between Vitamin D Intake, Sun Exposure, Handgrip Strength And Hg Alc Levels In College-Age Adults, Janelle Melancon

Master's Theses

Vitamin D is known for its importance to bone health and calcium metabolism and plays a role in insulin resistance. Recent research has recognized its role in insulin secretion, inflammatory response, and adipose tissue changes as possible reasons for its association with insulin resistance and cardiovascular disease. The CDC (2019) reported that 20% of adolescents are now living with prediabetes. Most individuals with prediabetes progress to type 2 diabetes within ten years. Because many studies have focused on adults of all ages, it is important to research young adults. This study aimed to determine prevention efforts; therefore, the younger adult …

Exosense: A Novel Technology For Selective Purification Of Cd63+ Exosomes From Neural Cells, Kristen Hope Hutson Truelove

Master's Theses

Exosomes are extracellular, cell signaling microvesicles that contain unique genomic and proteomic signatures reflective of the host cell’s pathophysiological conditions. In recent years, the study of exosomes has increased tremendously because many have been recognized as molecular biomarkers with the potential to advance methods of disease diagnostics and therapeutics as well as contribute to physiological analyses of multiple organism types. With the promising potential that exosomes offer to the field of molecular biology, it is vital to establish an efficient and consistently reliable mechanism of exosome isolation from biological samples. Many isolation techniques currently available typically yield exosome samples with …

Mining Bitcoin To Avoid Sanctions, Tyler C. Lubin

Master's Theses

Though the world’s first cryptocurrency, Bitcoin, was introduced over a decade ago, it was not until recently that it became a mainstream subject. While cryptocurrencies offer many advantages, a potential downside for governments, is that no central bank controls the monetary policy and new coins can be mined by anyone anywhere in the world. Governments have always been deeply involved with how a their countries’ currency is ran and the policies they create are meant to keep a currencies’ value stable and make sure other factors like inflation is under control. Even though as of 2021, there were well over …

An Assessment Of On-Campus Food Pantry Management And Nutrition Environment At Louisiana Colleges And Universities, Courtney Hammons

Master's Theses

The use of the Nutrition Environment Food Pantry Assessment Tool (NEFPAT) along with an examination of food pantry management systems will fill a needed gap in the understanding of the effectiveness of college on-campus food pantries. This descriptive, exploratory research study is designed to assess 4-year and 2-year higher education food pantries in the state of Louisiana. Specifically, food pantry management, nutrition education provided, and available food items will be assessed using the validated Nutrition Environment Food Pantry Assessment Tool (NEFPAT). This study assessed: (1) the characteristics of the food pantry management system, including the presence of nutrition professionals; (2) …

Interior Point Optimization Of Low-Thrust Spacecraft Trajectories, Jordan D. Frederiksen

Master's Theses

Low-thrust interplanetary spacecraft trajectory optimization poses a uniquely difficult problem to solve because of the inherent nonlinearities of the dynamics and constraints as well as the large size of the search space of possible solutions. Tools currently exist that optimize low-thrust interplanetary trajectories, but these tools are rarely openly available to the public, and when they are available they require multiple interfaces between multiple different packages. The goal of this work is to present a new piece of low-thrust interplanetary spacecraft trajectory optimization software that is open-source and entirely self-contained so that more people can have access to the ability …

Snr: Software Library For Introductory Robotics, Spencer F. Shaw

Master's Theses

This thesis introduces "SNR," a Python library for programming robotic systems in the context of introductory robotics courses. Greater demand for roboticists has pressured educational institutions to expand robotics curricula. Students are now more likely to take robotics courses earlier and with less prior programming experience. Students may be attempting to simultaneously learn a systems programming language, a library API, and robotics concepts. SNR is written purely in Python to present familiar semantics, eliminating one of these learning curves. Industry standard robotics libraries such as ROS often require additional build tools and configuration languages. Students in introductory courses frequently lack …

Nonlinear Model Development And Validation For Ball And Plate Control System, Zachary Richter

Master's Theses

Ball and plate balancing control systems are commonly studied due to the complex dynamics associated with the instability of the system in open-loop. For simplicity, mathematical models describing the ball and plate dynamics are often linearized and the effects of complex motion are assumed to be negligible. These assumptions are rarely backed with evidence or explanations validating the simplified form of the dynamical equations of motion. This thesis focuses on developing a nonlinear model that more accurately defines the dynamics of the system, in order to quantify the error of linear and nonlinear models when compared to a Simscape physical …

Take The Lead: Toward A Virtual Video Dance Partner, Ty Farris

Master's Theses

My work focuses on taking a single person as input and predicting the intentional movement of one dance partner based on the other dance partner's movement. Human pose estimation has been applied to dance and computer vision, but many existing applications focus on a single individual or multiple individuals performing. Currently there are very few works that focus specifically on dance couples combined with pose prediction. This thesis is applicable to the entertainment and gaming industry by training people to dance with a virtual dance partner.

Many existing interactive or virtual dance partners require a motion capture system, multiple cameras …

Exploring Communication Strategies Used By Speech-Language Pathologists And Nursing Professionals Prior To And During The Coronavirus Disease 2019 Pandemic, Madeline Baretta

Master's Theses

In 2019, a novel virus was discovered and spread resulting in a global pandemic. Individuals with severe cases of coronavirus disease 2019 (COVID-19) experienced critical illnesses such as pneumonia, hypoxemic respiratory failure/acute respiratory distress syndrome (ARDS), and complications from prolonged hospitalization (Centers for Disease Control and Prevention [CDC], 2020e). Some individuals with severe cases required mechanical ventilation in the acute care setting (Bernstein, 2020). Due to the rapidly evolving nature of the pandemic, this study was developed to better understand the practices of speech-language pathologists (SLPs), nursing professionals, and healthcare organizations prior to and during the COVID-19 pandemic with particular …

The Inclusion Of Vocal Health In The School Curriculum: A National Survey Of School-Based Speech-Language Pathologists And Speech-Language Pathology Assistants, Kate Mathews

Master's Theses

The human voice is an important tool of expression and a defining quality of self. Additionally, many occupations require, at least in part, a functioning voice for job completion (Titze et al., 1997). It is not surprising, then, that a dysfunctional voice may be disruptive and have a negative impact on a person’s quality of life. Unfortunately, disorders of voice are common, and perhaps even more so than many may realize (Bhattacharyya, 2014; Hartley et al., 2016; Roy, 2003; Roy et al., 2005). Several voice disorders, however, are preventable through the very same vocal health education means used in voice …

Speech-Language Pathologists’ Knowledge, Confidence Levels, And Practice Patterns With Mild Traumatic Brain Injury In The Schools, Jessica Munson

Master's Theses

Speech-language pathologists (SLPs) play a key role in serving children with cognitive-communication disorders in both medical and school settings. However, there remains little evidence regarding school-based SLPs’ service delivery for children following concussion or mild traumatic brain injury (mTBI) and how they rate their confidence, knowledge, and skills providing these services. The purpose of this study was to examine knowledge, confidence levels, and practice patterns for providing services to pediatric students with mTBI among school-based SLPs. A 43- item survey was developed to assess current concussion knowledge, and to allow for comparison to previous and future surveys on knowledge, confidence, …

Investigating The Utility Of Ultrasound Visual Biofeedback In Voice Instruction For Two Different Singing Styles, Kristen Smith

Master's Theses

Purpose: The purpose of this study was to investigate the potential utility of incorporating real-time visual biofeedback using ultrasonography to teach important concepts of vocal pedagogy to voice students. Exploration of innovative teaching tools, such as ultrasound visual biofeedback (U-VBF) in singing instruction, may contribute to bridging the gap between voice science and pedagogy by providing alternative ways to improve students’ kinesthetic awareness, clarify complex topics in voice physiology and acoustics, and create a common dialogue between different professionals specializing in voice. The primary research questions addressed in this study were: (a) To determine the current knowledge and attitude among …

To Vote Or Not To Vote: An Assessment Of How Felony Convictions And Incarceration Affects Voting Practices, Tammy Ortiz

Master's Theses

Felon disenfranchisement has a long history in the United States, beginning with Jim Crow Laws, continuing with mass incarceration, and increasing with voter suppression policies and laws being created on a daily basis. This paper will include a brief history of voting suppression and how felony convictions and incarceration create further obstacles for individuals choosing to share their voices and elect officials who represent them within the government. Theories involved in this research include labeling, anomie, citizenship, and both social control and social conflict and combined will demonstrate how the criminal justice works to control individuals under supervision, so much …

Noninvasive Measurement Of Arterial Compliance With A Blood Pressure Cuff Using A Surrogate Arm Bench Top Model For Oscillometric Use, Shane Wilsey

Master's Theses

A surrogate arm model was created that is capable of being used for oscillometry. This model is capable of being used as a bench top model for blood pressure cuff devices. The arm consists of endplates and internal supports that are 3D printed with ABS, a silicone rubber outer sleeve, and interchangeable arteries made from two silicone rubber strips glued together at the edges. The interchangeable arteries have varying compliances that can be used as different inputs for oscillometric testing. A process was established to measure the artery compliances with a curve fit correlation of 0.95. However, testing revealed that …

Haunted And Hunted: The Gothic And The Ghostly In The Light And Asylum, Adam Dunnells

Master's Theses

Young adult Gothic horror fiction acts as a coming-of-age story wherein the protagonists must confront the metaphorical and literal ghosts while simultaneously attempting to establish a sense of identity. Applying Gothic theory and ghost theory to the ghostly stories in young adult Gothic horror demonstrates how certain young adult Gothic stories represent the struggle of adolescents as they mature into adulthood and search for their identities. I use Madeline Roux’s Asylum (2013) and D.J. MacHale’s The Light (2010) as case studies to analyze how ghostly antagonists directly oppose adolescent protagonists on their coming-of-age journeys. Analyzing these young adult Gothic horror …

Paradoxes Of The Heart And Mind: Three Case Studies In White Identity, Southern Reality, And The Silenced Memories Of Mississippi Confederate Dissent, 1860-1979, Billy Loper

Master's Theses

This thesis is meant to advance scholars understanding of the processes by which various groups silenced the memory of Civil War white dissent in Mississippi. It analyzes three case studies: F. A. P. Barnard’s 1860 trial for abolitionism, the transformation of community memory which surrounded Newt Knight in the early twentieth century, and Mississippi’s interaction with the Civil War through popular culture. These examples will reveal the cultural and discursive systems that have existed in the state for more than a century. This work argues that Mississippians silenced the memory of racial dissent throughout the state’s history because it conflicted …

Determining Subgroups That Exist Among Us Firearm Owners, Allison Eileen Bond

Master's Theses

Objective: The present study sought to identify and verify unique classes of firearm owners that exist within the United States (US) and to determine the sources that each class deemed credible to discuss safe firearm storage for suicide prevention. Methods: The study is composed of three parts, each with its own unique sample. Part 1 (N = 1,018) utilizes a nationally representative sample of firearm owners. Part 2 (N = 1,064) consists of firearm owners from Mississippi, Minnesota, and New Jersey. Lastly, Part 3 examined the samples from Mississippi (n = 308), Minnesota (n = 379), …

Contextualizing A Crisis: Examining Michigan State University Press Releases And The Larry Nassar Scandal, Courtney Robinson

Master's Theses

The purpose of this study was to conduct a contextual analysis of press releases published by Michigan State University following a 2016 scandal that accused long-term physician Larry Nassar of sexually abusing more than 250 young women and girls under the guise of medical care. Specifically, the researcher was concerned with the image repair strategies employed by Michigan State as it attempted to respond to accusations that university personnel were aware of Nassar’s actions and had failed to act. The institution found itself responding to a series of distinct, yet related, crises, which were documented in a series of press …

Women Under Colonial Coverture: Divorce, Property Rights, And Inheritance In Early Massachusetts, Sarah Anne Hogue

Master's Theses

This thesis focuses on the evolution of women's legal rights - property, inheritance, and divorce- in colonial Massachusetts between 1630 and 1690. The project explores how and to what extent the legal doctrine of coverture- which severely limited married women’s legal rights- functioned in the Massachusetts Bay Colony under its Puritan government. This study examines how coverture directly impacted women’s property and divorce rights in the courts of law in the colonial Massachusetts legal system. It uses primary documents, such as official court records and Puritan sermons, to examine women’s legal rights in that colony through the intersecting lenses of …

Matching Equation: Teacher Rates Of Praise And Reprimands, Meleah Ackley

Master's Theses

Previous matching equation literature has demonstrated variability in student behaviors matching onto available reinforcement rates. While some studies have found that student on-task behaviors matched contingent teacher attention around half the observations (Martens et al., 1990), other studies have found that first grade students’ on-task behavior matched contingent teacher attention more than half of observations (Shriver & Kramer, 1997). However, no studies in the current literature have used teacher behaviors as the primary dependent variables (i.e., B1 and B2 in the matching equation). The current study sought to extend the Generalized Matching Equation (GME) further into the classroom, given the …

Climate Adaptation And Water Conservation Decision-Making In Paso Robles, California Vineyards, Christopher R. Klier

Master's Theses

This paper examines vineyard perceptions and adoption of climate change adaptation and water conservation measures in the Paso Robles American Viticultural Area (AVA). A survey was distributed to all 220 vineyards and vineyard management companies that operate in the AVA, with a 53.64% response rate. The objective of the survey was to determine vineyard manager and owner attitudes towards climate change and adaptation, as well as their perceptions of how these threats would impact their operation. A second objective was to document the current level of water conservation and climate adaptation while identifying the barriers and opportunities for further adoption …

Design And Analysis Of A Single-Stage Inverter Using Parallel Dc-Dc Converters For Solar Cell Application, Gabriel Leonides

Master's Theses

This thesis introduces the design and analysis of a single-stage inverter. A circuit was designed and simulated as a proof of concept to investigate the possibility of using boost and buck-boost converters to provide an AC output. The proposed circuit utilizes non-synchronous boost and buck-boost converters due to their simplicity in control signals as opposed to synchronous converters. The application of the proposed inverter is for use with individual solar cells. The aim of the inverter for a single cell is to improve the efficiency of a solar panel, whose performance is limited to the performance of the least efficient …

Analyzing The Consistency Of Scoring Porotic Hyperostosis From 3d Scans, Carson Rouse

Master's Theses

The use of 3D scans is becoming more and more common in the field of bioarchaeology. They alleviate the need to travel, allow for larger sample sizes, and can help preserve bones with pathologies on them which make them more fragile. Though there are major benefits with using 3D scanning of human remains, there is a lack of studies which examine whether or not traditional pathology scoring methods can be used to consistently gather the same data from these 3D scans. This project examines how consistently six researchers of varying experience levels scored porotic hyperostosis from 25 3D scans on …

On A Stochastic Model Of Epidemics, Rachel Prather

Master's Theses

This thesis examines a stochastic model of epidemics initially proposed and studied by Norman T.J. Bailey [1]. We discuss some issues with Bailey's stochastic model and argue that it may not be a viable theoretical platform for a more general epidemic model. A possible alternative approach to the solution of Bailey's stochastic model and stochastic modeling is proposed as well. Regrettably, any further study on those proposals will have to be discussed elsewhere due to a time constraint.

Different Class: The Creation Of The Premier League And The Commercialization Of English Football, Colin Damms

Master's Theses

This project examines how English football evolved from a culture of hooliganism and poor upkeep into a popular and enterprising industry across the globe. The Premier League and its stars marketed the English game and its culture worldwide. Since the 1990s England has established itself as the leading club footballing nation. I argue that through football, and the culture and economics behind it, we can see the ways in which England attempted to change its image in the modern world. In the 1980s and 1990s Britain was confronted with its own established culture of violence, bigotry, and nationalist pride, particularly …

Characterization Of The Bacterial Microbiome Of Exotic Tick Species Collected From Migratory Birds, Raima Sen

Master's Theses

Migratory birds often serve as natural/accidental hosts to ectoparasites like ticks (predominantly immature stages) and are known reservoirs of several pathogens transmitted by ticks. Parasitizing these birds, exotic tick species often hitch rides to non-native ecological niches, bringing along tick-borne pathogens. This study aims to profile the bacteriome of exotic tick species flying in and out of the US from the Neo-tropical South. A total of 421 tick samples comprised of several different tick species were collected off migratory songbirds at sites north of the Gulf of Mexico (Louisiana State). A 16S rRNA metagenomic multiplexed sequencing approach was used to …

A Modified Preconditioned Conjugate Gradient Method For Approximating The Scattering Amplitude, Samson Ayo

Master's Theses

In this thesis, we look at an iterative method for approximating the scattering amplitude that involves solving two linear systems: a forward system Ax=b and an adjoint system A^Ty=g. Once these two systems are solved, the scattering amplitude, defined by g^Tx=y^Tb is easily obtained.

We derive a conjugate gradient-like iteration for a nonsymmetric saddle point matrix that is constructed to have a real positive spectrum. We investigate the use of Schur Complement preconditioners with block-diagonal factorization to speed up the convergence of our method and compare …