Digital Commons Network^™

Taxonomic Revision And Phylogenetic Analysis Of The Philadelphicus Group In The Genus Proctacanthus (Insecta: Diptera: Asilidae), And Key To All Proctacanthus North Of Mexico, Teagan Marie Mulford

Theses and Dissertations

Proctacanthus (Macquart 1838), an elegant genus of robber flies within the Asilidae family, plays a significant ecological and economic role. However, the lack of a comprehensive taxonomic treatment hinders their identification and thus their use in evolutionary and behavioral research. This study focuses on the taxonomic revision of the Proctacanthus, identifying the features used in recognizing the philadelphicus Species Group and the rufiventris Species Group. By providing systematic and biological data, describing new species, and offering a key for identification, this research contributes to understanding the ecological significance and geographic distribution and history of Proctacanthus. This work will enhance future …

Spatiotemporal Variation Of Alfalfa Leaf Area Index And Crop Water Productivity In An Irrigated Alfalfa Field, Keegan Dillon Hammond

Theses and Dissertations

Throughout the world, there continues to be increasing demand for freshwater resources. With urban expansion, increased demand from a growing population, drought, and climate change, growers must produce more crops using less water. One approach to water conservation is with a variable rate irrigation (VRI) system. VRI technology allows growers to irrigate crops according to site-specific within-field variation instead of a uniform rate across the field. This thesis addresses aspects of within-field variation of irrigated alfalfa as it relates to the potential for VRI. Chapter 1 examines measurement of within-field variation of leaf area index (LAI) to inform variable-rate irrigation …

Benefits And Challenges Of Computer-Assisted L2 Chinese Learning In Higher Education, Min Hu

Theses and Dissertations

The first article is a literature review that analyzed 32 articles on computer-assisted L2 Chinese learning in higher education from 2005-2021. Findings revealed current trends, such as mobile-assisted language learning (MALL) and the use of Web 2.0 technologies, and the importance of speaking as the most researched language skill. Most studies employed mixed methods and showed the positive effects of computer-assisted learning on L2 Chinese skills. Challenges identified included limited access to technology, technical difficulties, lack of time and support, and insufficient online/blended pedagogies and competencies. The second article used Ajzen's Theory of Planned Behavior to examine L2 Chinese instructors' …

Using De Novo Transcriptomes To Decipher The Relationships In Cutthroat Trout Subspecies (Oncorhynchus Clarkii), Andrea Leena Kokkonen

Theses and Dissertations

Cutthroat trout (Oncorhynchus clarkii) is a salmonid native to Western North America. For almost 200 years, the taxonomy of these species has fluctuated as ichthyologists and fisheries managers alike have tried to understand the diversity seen within these fishes. In the 1950s, Robert Behnke reexamined the cutthroat trout and identified 14 subspecies based on morphological observations, Pleistocene events, and modern geographic ranges. These designations were instrumental in preserving the remaining diversity of cutthroat trout. Over time, molecular techniques (i.e. karyotypes, allozymes, and mtDNA) have largely replicated Behnke's phylogenies. However, these studies have revealed that some of these relationships are consistently …

Physics-Guided Modeling Of Acoustic Environments Using Limited Spatio-Spectro-Temporal Data, Mylan Ray Cook

Theses and Dissertations

When creating data-based models it is important to include the underlying physical characteristics and constraints of the data. If physical characteristics are not properly included in the model, results may be infeasible or physically impossible. Acoustic environments are better characterized by ensuring that models include the fundamental spatial, spectral, and temporal characteristics of noise sources, or how they change based on location, frequency, and time. When model data are limited, in availability or in reliability, additional care must be taken to ensure models predict feasible results. This dissertation focuses on physics-guided modeling of acoustic environments using limited data, taking into …

From La Cosa Nostra To La Cultura Del Narcisismo: Psychoanalysis As Public Philosophy In The Sopranos, Thomas Patrick Brown

Theses and Dissertations

The aims for this thesis are to further investigate the show’s use of Tony’s psychotherapy as a narrative device in building the relationship between the work of art and the spectator. This device, I argue, possesses a Brechtian character: it not only breaks up the narrative action, but it also comments upon it. Most importantly, this device grounds spectators in a psychoanalytic outlook which enables the spectator to analyze the show’s central anti-hero, interpret the series of events around him, as well as the criticize the American climate he is a symbol for. I advance the thesis that The Sopranos, …

Investigating Specialty Crop Farmers’ Preferences For Contract Design And Attitudes Towards Blockchain-Based Smart Contracts, Esther Mmenaa Agyemang-Duah

Theses and Dissertations

This study examines small and medium scale specialty crop growers’ preferences for marketing contract attributes and willingness to adopt blockchain-based smart contracts. The data used were collected using an online survey and discrete choice experiment. Findings indicate that farmers prefer higher average prices, cash, check or electronic bank payment over cryptocurrency, and immediate payment upon product delivery over delayed payment. When choosing a contract, farmers viewed traditional text-based contracts and digital platforms with automated smart contracts equivalently, on average. On average, farmers showed no preference for providing and not providing traceability lot codes to buyers, and between choosing a contract …

Philosophies Of Mississippi College Readiness Programs, Cory Ellis Bailey

Theses and Dissertations

“College Readiness” has been a phrase discussed across higher education and the workforce in most recent years. However, the perception of College Readiness has been debated throughout history as there is not a universal agreement on the philosophy of what it means to be College Ready. In Mississippi, the state has not even defined this phrase so there is not a way to measure the success of College Readiness. Because of this lack of universal philosophy, the purpose of this study is to understand the philosophy of college readiness programs in the state of Mississippi. The research question guiding this …

Shifting Frontiers Economic Consequences Of The Polish Partitions, Andrew J. Fox

Theses and Dissertations

This thesis uses spatial regression discontinuity design to examine the impacts of historical border changes on economic development in modern Poland. Positive effects on institutions and infrastructure are found in the Austro-Hungarian zone of the Polish partition, while the Prussian zone suffer negative consequences due to 20th-century destruction and post-war expulsions.

¿Dónde Vamos?: Exploring Neoliberal Gentrification Within An Oak Cliff Barrio, Luis E. Macias Barrientos

Theses and Dissertations

Barrio working-class Latinx populations have been historically ignored and prevented from creating sustainable roots within their own communities due to the confluence of settler colonialism, neoliberalism, and gentrification. I argue the neoliberal city creates an unsustainable predicament that seeks to marginalize working-class individuals from inner-city life, thus systematically precluding future generations of working-class Latinxs from upward mobility. Little attention has been paid to Texas cities resulting from neoliberal policies perpetuating settler colonialism and gentrification. This thesis draws from theories of neoliberalism and the neoliberal city to explore the effects of gentrification on barrio Latinx geographies. To explore the relationship between …

A Possession For All Time: Athenian Democracy And Assassin's Creed: Odyssey, J. Hollis Pueblo

Theses and Dissertations

Video game adaptations of the classical world are becoming increasingly intricate, and the study of video games as artifacts of classical reception and adaptation is likewise becoming increasingly important for the field of historiography. Assassin's Creed: Odyssey, set during the Peloponnesian War, recreates, among other aspects of the Greek world of the period, the political setting of Periklean Athens. This thesis examines instances of Athenian political representation within the game which depart from the typical image of Athens' politics as informed by primary source accounts, knowledge of sociocultural practices, and archaeological finds. It argues that the game depicts the Athenian …

Using Asos Ceilings And Mesonet Relative Humidity To Improve General Aviation Flight Planning And Decision Making In Complex Terrain, Connor Hayden Welch

Theses and Dissertations

Despite the increasing availability of weather products and access to data, the issue of weather representativeness, especially in relation to terrain, persists in the aviation industry. Data-sparse regions pose a particular challenge, requiring focused research efforts to address this issue and reduce accident and fatality rates within the general aviation (GA) community. This thesis aims to tackle the specific problem of representing visibility conditions, with a focus on obscuration conditions in elevated terrain.

To achieve this goal, data from Automated Surface Observing System (ASOS) ceilometers and nearby mesonet relative humidity (RH) were analyzed to establish a relationship between the lowest …

Unlocking Population-Specific Treatments To Render Equitable Approaches And Management In Cardiovascular Disease (Upstream Cvd): African American Emerging Adults, Shannon Bright Smith

Theses and Dissertations

Cardiovascular disease (CVD) is the leading cause of death in America. African American people have disparate CVD outcomes, and African American emerging adults (AAEAs) aged 18-25 have CVD risk factors. This study aimed to examine the state of CVD risk factors in AAEAs, assess upstream and population factors in AAEAs attending a southeastern historically black college/university (HBCU), compare their perceived and objective CVD risk, explore their level of CVD knowledge, and examine responses when they learn their objective CVD risk.

Chapter 1 presents background literature on CVD in AAEAs and the research plan. Chapter 2 presents a newly synthesized situation-specific …

The Role Of Geographic Context In Tornado Risk, Risk Perception, And Protective Action Behavior, Sarah L. Jackson

Theses and Dissertations

Our current understanding of tornado risk, risk perception, and protective action behavior lacks proper spatial consideration of local physical and social geographic contexts. This investigation asks how the conceptual drivers of tornado risk (geographic context, risk perception, and response) interact to create the spatiality of tornado risk. The study proposes that the inclusion of geographic context and its influence on perception and behavior produces differential tornado risk and seeks to determine which factors contribute to such variability. A novel, researcher-designed Tornado Risk of Place (TROP) conceptual model guides the methodological framework, incorporating statistical and geospatial analytics in an Illinois State …

Groundwater Flow And Salt Marsh Migration: The Forest/Marsh Boundary, Camille Rossiello

Theses and Dissertations

Salt marshes migrate landward in response to sea level rise, but the rate of this migration is not constant and can be influenced by pulse disturbances. Long term observations at Sapelo Island, Georgia, show that salt marsh migration has occurred during droughts, but the mechanism for this migration is unclear. Drought is thought to influence salt marsh migration by reducing fresh groundwater discharge from the upland. Rising sea level also encroaches on the upland, which could cause movement of the freshwater lens inland. A two-dimensional numerical model was built to simulate groundwater flow and solute transport based on the Marsh …

Examining The Associations Of The Kidney Allocation System With Patient Sensitivity, Wait Time To Transplant, And Donor Distance, Shamika Danielle Jones

Theses and Dissertations

Background

The Kidney Allocation System (KAS) was created in 2014 to address long wait times for a kidney transplant, inappropriately matched kidneys, and high re-transplantation rates. This research examines the associations of the KAS with the percentage of sensitized patients receiving a kidney transplant, wait time to transplant and the distance between donor and recipient hospitals.

Methods

Data from the Scientific Registry of Transplant Recipients (SRTR) was used for this research. The study population included adults over 18 in the United States who received a kidney transplant between December 4, 2009, and December 4, 2018. Patients simultaneously waitlisted for other …

Leveraging Church Environments To Promote Rural Physical Activity And Healthy Eating, Kelsey Rothera Day

Theses and Dissertations

Rural residents experience a greater burden of chronic disease related to physical inactivity and poor diet than their urban counterparts. A promising strategy to improve these health behaviors in rural areas is to leverage existing structures that may support physical activity and healthy eating, such as churches, in public health interventions. Three studies were conducted as part of this dissertation. They were designed to: 1) examine whether the walkability and healthy food density of neighborhoods surrounding rural and urban churches are associated with race, socioeconomic status, and rural/urban status; 2) examine rural church leaders’ views on the role of faith-based …

Mitigating Student Anxiety In The Secondary Classroom: A Culturally Sustaining Approach, Erin Hawley Cronin

Theses and Dissertations

This study emerged in response to broader trends of increasing anxiety among schoolchildren and my own observations as a teacher. Suicide is now the second-leading cause of death for youth (Curtin et al., 2022), and anxiety is a known factor in most deaths by suicide (Nepon et al., 2010). Teachers are often the first point of contact for anxious students, but a shortage of counselors in U.S. schools and other systemic barriers prevent widespread access to counseling services (Cratty, 2019). Moreover, identity-based anxieties are often misattributed to aggression or attention-seeking, and punished in school settings, instead of recognized and supported …

Hf Radar: Shining A Light On Ocean Currents, Douglas Cahl

Theses and Dissertations

High Frequency (HF) radar systems are commonly used to estimate surface ocean currents over the coastal ocean. Their range depends on their operational frequency and low frequency systems (≤ 10 MHz) can reach distances up to 200 km from the coastline. These systems are used to estimate surface currents by measuring the phase speed of wind-driven waves and comparing the measured speed with that expected theoretically; deviations from the theoretical still-water phase speed are attributed to ocean surface currents. Although HF radar systems are considered a mature technology and the accuracy of the radar-derived surface current estimates is well studied, …

Developing A Vision-Based Framework For Measuring And Monitoring Water Resource Systems Using Computer Vision And Deep Learning Techniques, Seyed Mohammad Hassan Erfani

Theses and Dissertations

Increased vulnerability of water systems to extreme events and climate change is among the profound challenges facing the management of water resource systems around the world. Extreme events, including droughts, floods, and natural hazards have become more frequent and intensive, particularly in coastal regions. Floods, for instance, caused tens of billions of US dollars losses and put the lives of thousands in danger, globally. To cope with the adverse consequences of floods, a wide range of structural, non-structural, and emergency measures are studied and deployed by flood management sectors. Various flood simulation, mapping, and forecast systems have been developed to …

Luis Abraham Delgadillo: A Rediscovery Of His Piano Music, Fanarelia Auxiliadora Guerrero López

Theses and Dissertations

Luis Abraham Delgadillo (1884–1961) is one of the most representative Nicaraguan musicians from the late nineteenth and early twentieth century. Works such as his Sinfonía Indígena (Indigenous Symphony), Suite Teotihuacán (Teotihuacán Suite), and Sinfonía Incaica(Incaic Symphony) positioned him as one of the most important composers and pianists from Latin America. He had great success during his career as a composer and toured North America and South America extensively during the 1930s and 1940s. During these visits, he had many of his works performed, and met other influential composers and musicians such as Carlos Chavez, Amadeo Roldán, Aaron Copland, Arthur …

Sentiment Analysis Of Swedish And Finnish Twitter Users’ Views Toward Nato Pre- And Post- 2022 2nd Russian Invasion Of Ukraine, Alexander Scott Fulham

Theses and Dissertations

This study seeks to analyze the changes in Swedes’ and Finns’ opinions toward the North Atlantic Treaty Organization (NATO) in light of the 2022 2nd Russian Invasion of Ukraine. To do so, a large dataset of geotagged tweets containing keywords related to NATO is analyzed using lexicon-based sentiment analysis to study spatiotemporal trends. The study shows that overall discussion remains very neutral, with less than a quarter of all tweets having a non-zero sentiment score, and differs markedly from public opinion polling in both countries while spatiotemporally, the discussions is concentrated in the major population centers and exhibits little month …

Transport Of Suspended Sediments And Phosphorus In An Agricultural Watershed: A Case Study Of The Money Creek Watershed, Central Illinois., Oghenevwede Efobo

Theses and Dissertations

Suspended sediment and phosphorus are among the major pollutants of stream ecosystems. Suspended sediment has been documented as vector for nutrient transport, specifically phosphorus, in streams. Sources of suspended sediments include agricultural fields, channel sediments, and streambanks. Suspended sediments within the stream channel could fill up reservoirs over time thus, reducing reservoir storage capacity. Suspended sediments can cover breeding and nesting areas of aquatic habitats, leading to their displacements. Sources of phosphorus include point sources such as wastewater treatment plants and industrial effluent, and nonpoint sources such as agricultural fields and urban runoff. Phosphorus is a limiting nutrient in freshwater …

Shifting From A System Of Grades To A Culture Of Learning: Moving Toward A More Equitable Culture Of Assessment, Jennifer Pamela Mccoy

Theses and Dissertations

Upon identifying a problem of practice centering on students and staff alike focusing on points and grades instead of learning, a small team of teachers were assembled to participate in a cycle of inquiry. The purpose of this cycle of inquiry was to research and test the effectiveness of an intervention related to assessment. The team selected a student self-assessment in the form of an exit slip. Qualitative methods were used to code teacher responses while they implemented the exit slip with students. The team ultimately found that they were able to use the exit slip feedback from the students …

The Role Of Online Discursive Action In Subjects' Emancipatory Repositioning In Egypt: Assault Police Case Study, Christine Saad Guirguis Ma

Theses and Dissertations

The current study's central question is how social change is discursively constructed. I studied an online feminist social movement that sparked in Egypt on Instagram in July 2020 and labeled "Assault Police." Within the critical social theory and feminism framework, I reviewed the literature on (critical) discourse, social change, and social movements. I tried to unravel the complexity around emancipation as a vital concept in the current study. I located and discussed areas of tension and identified a conceptualization that loosens the theoretical entanglement around it. The research problem sought to specify how the online discursive action facilitated desired …

Spatial Autocorrelation Analysis For Construction Sites, Raghda Moharram

Theses and Dissertations

This study investigates the usefulness of spatial autocorrelation analysis in construction sites. The objective is to provide construction managers with insights into the site's performance, identify potential areas for improvement, and ultimately lead to cost and time savings and improved project quality. To achieve this objective, the study identifies significant spatial autocorrelation variables for various applications in construction and analyzes their impact on the site's efficiency and potential problems.

The potential applications where spatial autocorrelation analysis could be useful were identified, including schedules, progress, earned value measures, safety incidents, workers' densities, equipment densities, energy expenditure, and quality non-conformity. A framework …

Mental Health Literacy In Polynesian Native Hawaiians And Other Pacific Islanders: A Pilot Cross-Sectional Study, Kealoha Sarah Reiko Snow

Theses and Dissertations

Background: High prevalence of mental health problems and underutilization of mental health treatment are more severe among the Native Hawaiian and Other Pacific Islander (NHPI) population and remain misunderstood and understudied. Examining mental health literacy (MHL)–the knowledge and beliefs about mental disorders which aid their recognition, management, or prevention–has been shown to identify barriers to seeking and receiving care. Objectives: This study aimed to assess the level of MHL in Polynesian NHPIs and identify associated demographic variables. Methods: Data for this pilot cross-sectional study were collected from 298 US Polynesians via an online questionnaire of the Mental Health Literacy Scale …

Global Health Governance And Its Role In Health Equity: The Case Of Covid-19, Wafa Abu El Kheir-Mataria

Theses and Dissertations

In the globalized world, we are living in, health became the joint responsibility of individuals, their governments, and the global health governance system. Moreover, based on the right to health, health equity is increasingly in demand, and adopting it to a global level has become an even more complex task to realize. This thesis is focuses on health equity at a global level. The main research questions addressed are: Is health equity present at an intercountry /global level? how is it related to Global Health Governance (GHG)? Is GHG performing well in achieving health equity? what are the reasons behind …

A Qualitative Exploration Of Food Literacy In International Schools In Egypt, Amy Pugsley

Theses and Dissertations

Food literacy is an essential part of good physical and psychological health, however, food literacy is not a mandatory part of K-12 education in all schools. Many factors can influence food literacy levels including familial culture, socioeconomic status, and education levels. This research seeks to examine perceptions of food literacy in high school students and educators at two private American international schools located in Cairo, Egypt. Through the use of observations and interviews, the researcher used a qualitative approach to understand the self-perceptions of food literacy in students studying the American curriculum. The study revealed that students from high-socio-economic backgrounds …

Historical Trauma: Literary And Testimonial Responses To Hiroshima, Mariam Ghonim

Theses and Dissertations

The concept of trauma is controversial in literature. While one may be able to come up with ways to describe trauma in fiction, representing historical trauma is a hard task for writers. Some argue that trauma can not be described through those who did not experience it, while others claim that, provided some elements are added, one can represent trauma to the reader. This thesis focuses on twentieth-century historical traumas related to a nuclear catastrophe and explores the different literary and testimonial responses to the catastrophic man-made event of Hiroshima (1945). In this thesis, Kathleen Burkinshaw’s historical fiction The Last …