Digital Commons Network^™

Air And Missile Defense Threat Scenario Variation To Reduce Pretest Sensitization, Video Games As A Case Study, Julie Renee Szekerczes

All-Inclusive List of Electronic Theses and Dissertations

This study uses fixed and variable video game types to measure pretest sensitization as a proxy for repeated and varied threat test scenarios in system performance testing of air and missile defense systems. The pretest sensitization phenomenon exists when repeated exposure to a test condition influences the participant's response. Research shows air and missile defense development correlates with video games, resulting in similar interfaces and computer operating environments. Department of Defense acquisition test and evaluation results must reflect system performance without prior knowledge of the threat scenarios confounding the results. System performance results inform acquisition decisions, such as further funding …

Bioavailability Of Lead In Terre Haute Soils, Terre Haute, Indiana, Zach Kemp

All-Inclusive List of Electronic Theses and Dissertations

Contamination of soils from heavy metal pollution has been a global concern for decades. Heavy metals are released into the soil from natural and anthropogenic releases. The largest producers of heavy metal pollution include mining, industrial production, and the combustion of fossil fuels. Vigo County formed in 1818, and Terre Haute was established in 1832. After the discovery of coal in Clay County in 1867, Terre Haute became the third largest coal producer and fifth largest iron manufacturer in the state during that time. Lead, in particular, is a heavy metal of concern because of the harmful effects to humans …

Fostering Creativity Through A Signature Creative Writing Pedagogy, Ryan Stone

All-Inclusive List of Electronic Theses and Dissertations

This study offers a historical and conceptual lens to guide the proposed research. A historical account of creative writing in higher education and its relationship to progressive education and creative education is offered. The conceptual framework involves the development of the creative person through the primary pedagogical method within creative writing: the workshop. The research involves a qualitative phenomenological study. Methods utilized include coded observations and interviews.

Faculty Perception Of Lean Thinking In Higher Education, Mikhail Shilov

All-Inclusive List of Electronic Theses and Dissertations

There are many challenges that higher education institutions (HEI) are facing that include rising cost of education, reduction in student population, competition from other universities and alternative educational platforms, as well as reduction in public confidence. To stay competitive, HEIs could utilize performance improvement methods that have been proven to be advantageous in manufacturing and other industries, and one of these methodologies is Lean. Application of Lean in higher education is still in the early stages of development, the methods have been mostly used to improve administrative processes, but not as much in the core educational processes, teaching and research. …

Utilization Of Imidazolium Ionic Liquids For Enhanced Oil Recovery In Harsh Emirati Tight Carbonate Oil Reservoirs, Noran Hussein Mousa

Dissertations

In response to the increasing global demand for energy and the limitations of traditional chemical oil recovery methods, this study explores the potential of imidazolium-based ionic liquids (ILs) as enhanced oil recovery (EOR) agents for Emirati tight oil reservoirs. Four ILs—C10mimCl, C12mimCl, C12mimBF4, and C16mimBr—were evaluated for their effects on the interfacial tension (IFT), wettability, emulsification, and rheological properties under reservoir conditions. Experiments conducted at varying salinities, temperatures (up to 110°C), and IL concentrations (500–3000 ppm) demonstrated that longer alkyl chain ILs, particularly C16mimBr, effectively reduced IFT by >99% and improved wettability by lowering contact angles down to 15.37°. Statistical …

Structural And Functional Characterization Of The Sos Pathway Genes (Sos1, Sos2, And Sos3) In Avicennia Marina: Insights Into Salinity Stress Tolerance, Mariam Obaid Alzaabi

Dissertations

Abiotic stress is a major challenge for agricultural productivity. Salinity stress is a vital environmental constraint that significantly limits plant growth and reduces crop yield worldwide. Halophytes, such as Avicennia marina, offer unique opportunities to dissect adaptive mechanisms underlying salt tolerance. This study focuses on the structural and functional characterization of the Salt Overly Sensitive (SOS) pathway genes (SOS1, SOS2, and SOS3) from A. marina. Full-length cDNAs of AmSOS1, AmSOS2, and AmSOS3 were cloned and characterized. The sequence analysis of these genes compared to the respective orthologs revealed high similarities and conservation of all …

A Study Of The Impact Of Balancing, Geometric Transformation, Generative Networks, And Roi Techniques In Eye Diseases Classification, Sghaira Hareb Alnuaimi

Theses

Automatic detection of ocular diseases helps medical professionals efficiently identify eye disorders, reduce diagnostic errors, and accelerate diagnoses to prevent blindness. Deep learning has been successfully utilized in various fields, including medical image classification. However, in spite of these advancements, challenges remain in ocular disease classification.

The objective of this work is to address these challenges using data processing, data augmentation in combination with Region of Interest (ROI) techniques. Medical datasets often suffer from scarcity, imbalance, and low-quality images, leading to inaccurate classification. To mitigate these issues, we utilize the ODIR dataset, which contains 7,000 labelled training images for both …

Maternal Cardiometabolic Risk Factors In Pregnancy And Offspring Blood Pressure At Age 2 To 18 Years., Zhongzheng Niu, Ako Adams Ako, Sarah Dee Geiger, Caitlin G. Howe, Wei Perng, Rachana Singh, Margaret R. Karagas, Amy J. Elliott, Andrea Cassidy-Bushrow, Carlos A. Camargo, Keia Sanderson, Cynthia T. Mcevoy, Emily Oken, Dana Dabelea, Tina V. Hartert, Brian S. Carter, Annemarie Stroustrup, Andrea Lampland, Thomas G. O'Connor, Semsa Gogcu, Mark L. Hudak, Lyndsey E. Shorey-Kendrick, Qi Zhao, Yu Ni, Jeffrey Vanwormer, Assiamira Ferrara, Monique Hedderson, Yeyi Zhu, Akram Alshawabkeh, Jose Cordero, Daphne Koinis-Mitchell, Susan Carnell, Carrie V. Breton, Theresa M. Bastain, Shohreh F. Farzan, Echo Cohort Consortium

Manuscripts, Articles, Book Chapters and Other Papers

IMPORTANCE: Higher blood pressure in early life may signal cardiovascular disease over the life course, but determinants of blood pressure in early life are poorly understood.

OBJECTIVE: To examine the association of maternal cardiometabolic risk factors during pregnancy with offspring blood pressure from age 2 to 18 years and explore whether the association is modified by offspring sex and race and ethnicity.

DESIGN, SETTING, AND PARTICIPANTS: This cohort study analyzed data from the Environmental Influences on Child Health Outcomes program between January 1, 1994, and March 31, 2023. Three common maternal cardiometabolic risk factors during pregnancy were examined: prepregnancy obesity, …

The Outcomes Of School-Based Mental Health Services At A Southern California School District A Proposed Pilot Study, Amanda Smith, Ashley Rodriguez

Electronic Theses, Projects, and Dissertations

In this proposed project we intend to explore and identify empirical evidence-based research on outcomes of school-based mental health provided by a Southern California school district. This study will highlight evidence-based research on the growing concern for school-based mental health. A relevant extraction tool that can be utilized for further research, and a study design to explore existing literature regarding programs and student participation to gauge outcomes.

School-based mental health supports mental well-being and promotes positive protective factors. These include social and cultural connections, resilience, coping strategies, problem-solving abilities, positive development, and a supportive school environment where students feel safe. …

Follow Through Since The Implementation Of Katie A V. Bonta, Alleena Parchment

Electronic Theses, Projects, and Dissertations

This research proposal aims to explore how well Los Angeles County has followed through with the guidelines that Katie A. v Bonta has set. This paper will suggest ways to effectively carry out the research through a systematic literature review. Foster children are more likely to be diagnosed with mental health illnesses such as depression, anxiety, or PTSD. Katie, a young 4-year-old girl, went through 37 placements and received no mental health services. As a result, a class action lawsuit came about with Los Angeles County. Based on the lawsuit, policies were made to provide mental health services to foster …

Ntier Code Generator, Mohammed Qattan

Electronic Theses, Projects, and Dissertations

This project presents a software tool designed to automate the generation of standardized code for all layers of an n-tier architecture, including the Database Layer, Data Access Layer (DAL), and Business Logic Layer (BLL). By employing object-oriented principles and parsing the database structure, the tool ensures modularity, scalability, and maintainability. It efficiently formats code templates for CRUD operations, enhancing development efficiency and consistency, while streamlining database interactions and enforcing business rules.

This project presents an innovative software tool designed to automate the generation of standardized code for all layers of an n-tier architecture, including the Database Layer, Data Access Layer …

The Shared Experiences Of Mental Health Providers Delivering Faith-Accommodated Interventions In A Public-School Setting In Rural Central Texas, Thomas Andrew Lolley

Doctoral Dissertations and Projects

The purpose of this phenomenological study was to describe the lived experience of counselors around providing faith-accommodated counseling interventions in a school-based mental health setting in rural Central Texas. The theory guiding this study was Bronfenbrenner’s (1979) bioecological systems theory (EST) as it gives a framework for illustrating the impact of graduate academic institutions and governing bodies on faith-accommodated counseling in a public-school setting. Data was collected and analyzed using the conceptual mapping task (CMT) protocol. The CMT protocol is a four-phase transtheoretical interview process with built-in-member-checking features. Member checking is a qualitative technique using participant feedback on the data …

Citizenship Christian Values Education Empowerment In Papua New Guinea Through Integration Of Curriculum, Funding, And Professional Training, Timothy Hawes

Doctoral Dissertations and Projects

Since 2018, the Papua New Guinea Education Department has opened the door for Christian Citizenship Value Education, but previously, no organization has successfully addressed this opportunity. The problem is that the CCVE program in PNG does not integrate curriculum, funding, and professional training. The purpose of this DMIN action research project is to develop and deploy the CCVE Empowerment plan. Through a survey given to CCVE teachers and multiple focus groups with six different CCVE leaders, the CCVE Empowerment plan was developed. The plan included a new organizational structure, the prayer model, the self-teaching student journals, sufficient funding, and applied …

Exploring Metal Additive Manufacturing In Martian Atmospheric Environments, Zane Mebruer

Mechanical Engineering Undergraduate Honors Theses

On-surface manufacturing is key to the success of a planetary colonization, especially that of Mars. However, traditional subtractive manufacturing processes are equipment, energy, and material intensive, meaning novel additive manufacturing (AM) processes must be pursued for this end. Selective laser melting, one of the most effective and versatile AM methods, would be incredibly beneficial to a Martian mission but requires an artificial argon atmosphere to create effective parts. The purpose of this study was to examine if carbon dioxide, the gas that makes up over 95% of Mars’ surface atmosphere, would be a sufficient substitute for argon in SLM fabrication. …

Causes And Contributing Factors In General Aviation Fixed-Wing Stall And Spin Accidents, Lauren Westfall

Mechanical Engineering Undergraduate Honors Theses

General Aviation operations are all civil aviation operations excluding commercial airline operations and cargo transport. General Aviation accidents comprise approximately 94% of all aviation accidents in the United States annually. Stall and spin accidents are the third most common causes of fatal General Aviation accidents, accounting for 7.28% of such accidents in 2013–2022. The National Transportation Safety Board investigates and records all General Aviation accidents in the United States. Using the National Transportation Safety Board’s accident database, I investigated stall and spin accidents between 2013 and 2022 to find (1) the most common phases of flight where stall and spin …

Characteristics Of Patterned Surface Dielectric Barrier Discharge Devices For Ionic Wind Propulsion, Ethan J. Graef

Mechanical Engineering Undergraduate Honors Theses

Electroaerodynamic (EAD) or ionic wind propulsion is a growing area of research for small noiseless low speed aircraft. Previous flight demonstrations and experimentation have revealed that traditional methods of EAD propulsion utilizing corona discharge incur a large drag penalty due to their collector and emitter geometries. Recent publications detail flexible and geometrically conformable surface dielectric barrier discharge devices (SDBD) that could increase thrust and decrease drag as an ion source for an EAD propulsion system. This thesis explores the effects of different electrode sizes and geometries on total SDBD power consumption. SDBDs of a hexagonal, triangular, and square electrode geometry …

Agent-Based Modeling For Faulty System Analysis, Jayden G. Hamilton

Mechanical Engineering Undergraduate Honors Theses

Numerous approaches exist for computational modeling of complex, dynamic systems. One particular option is the use of agent-based modeling, which simulates the behavior of numerous autonomous agents interacting with each other and with the system at large. Current agent-based modeling research has largely focused on studying the system level behavior of a model, as this is generally the main concern for any real world application. However, the characteristics and behaviors of agents deserves consideration as well. The issue with this area of interest lies in the fact that the agent data cannot be as quickly obtained and analyzed as system …

A Labview-Based Open-Source Data Acquisition Program For Acoustic Emission Sensing, Harrison Greene

Mechanical Engineering Undergraduate Honors Theses

Acoustic emission sensing is a growing field of analysis and testing that benefits from its non-destructive nature, enabling operators to detect faults, the severity of impacts, the propagation of cracks, and much more without damaging the system being tested. However, the use of proprietary software to collect, analyze, and display data hinders the field, as access to this crucial information makes consistent and in-depth data analysis impossible. To this end, this paper details an open-source code made in the programming language LabVIEW for the express purpose of allowing the user to have full access to all data and fully customize …

Using Optical Dielectrophoresis For Microbead And Cell Manipulation, Leigh K. Smith

Mechanical Engineering Undergraduate Honors Theses

Dielectrophoresis is a common method used to manipulate particles on the microscopic scale. Optically Induced Dielectrophoresis or ODEP is the specific method used in this research. All experiments were conducted in Dr. Tung’s Micro and Nano Systems lab at the University of Arkansas’ ENRC. An ODEP system was created in the lab for manipulating microbeads (6-10 micrometers (μm) in diameter) and E. coli cells (1-2 μm in diameter).

Experiments were performed on the microbeads to see how changing the parameters of the device affects the force caused by ODEP on the beads. The parameters that could be changed in the …

Optimal Parameters For Electrode Free Local Anodic Oxidation Lithography, Maxwell C. Cleveland

Mechanical Engineering Undergraduate Honors Theses

Dr. Steve Tung’s research lab is developing a device for sequencing DNA strands. A key component of this device is a nano sensor fabricated using monolayer graphene. To create the sensor, the graphene must be precisely patterned. Graphene, a single layer of carbon atoms, is an ideal material for detecting electrical signals from DNA bases due to its excellent conductivity.

The current fabrication method uses Atomic Force Microscopy (AFM) in combination with Electrode-Free Local Anodic Oxidation (LAO) lithography. While AFM is typically employed for nanoscale imaging, pairing it with LAO lithography enables the patterning of graphene into nanoribbons capable of …

Synthesis And Characterization Of New Inorganic Materials In Different Length Scales; From Nanometer To Micrometer, Kirkland Sheriff

All Dissertations

In this dissertation there are a new series of Preyssler polyoxometalate (POM) crystalline solids created using electrochemical potential. It was found that using electrochemical potential, where nucleation and reduction occur simultaneously, was a convenient method for exploratory synthesis creating new crystalline solids in aqueous solution and at room temperature. The general structure feature reveals that Preyssler POM was covalently linked by various metals from the d and f block including Co²⁺, Ni²⁺, La³⁺, Nd³⁺, Gd³⁺ and Ho³⁺ where the POM was reduced by 2 to 4 electrons. The resulting solids …

Comparative Study Of Non-Iterative Seqential Method For Biot's Poroelasticity Model, Jeff Frimpong Amponsah

Open Access Theses & Dissertations

Linear poroelasticity theory describes the interaction between the motion of fluids and deformation of porous media. The theory serves various applications in a wide range of science and engineering fields, such as soil mechanics, oil reservoir modeling, and bio-medical applications. Partial differential equations are used to model the complex interaction between fluid flow and solid deformation in porous media. Since analytical solutions to these equations are rarely available for realistic problems, we resort to numerical solutions. One major advantage is their ability to provide accurate approximations of the solutions. Various numerical methods have been proposed to solve Biot's poroelasticity system. …

"Integrative" Vs "Integration": Stem Skills And Concept Development In 6th Grade Students, Kathryn Chain

Theses/Capstones/Creative Projects

As a whole, interest in Science, Technology, Engineering, and Mathematics (STEM) education in schools is on the rise at a national level, and it is widely recognized that the development of skills and concepts in science, technology, engineering, and math are not only beneficial to students, but are in fact necessities for future citizens of an increasingly global world (Kelley & Knowles, 2016.) Despite this increasing acceptance and awareness of the need for STEM literacy, there is a critical lack of guidelines on what STEM education actually entails and how to effectively integrate these concepts and skills into the educational …

Soft Substance Usage And Productivity In The Patrol Officer Population, Patrick Brady

Theses/Capstones/Creative Projects

Consumable substances have long been used to enhance performance and ease nerves in first-responder populations. Among these substances, caffeine and nicotine products are some of the most frequently used by law enforcement. For the purposes of this study, these substances will be coded as “soft substances” (SSs). As opposed to hard substances (heroin, methamphetamines, crack-cocaine, etc.) SSs are non-criminalized substances that do not significantly change one’s state of consciousness; these substances are also commonly used during the workday (e.g. nicotine used on smoke breaks, caffeinated drinks consumed during the day). Usage rates of SSs in the law enforcement population surpass …

The Future Of Work: Examining New Graduate Sentiment On Remote Work And Return To Office Mandates, Ishani Adidam

Theses/Capstones/Creative Projects

As the impact of the COVID-19 pandemic dwindles, companies that had leveraged Work from Home (WFH) flexibility are now implementing Return to Office (RTO) mandates. While 70% of employees prefer a hybrid work model, 61.4% are expected to work full-time in-office due to these mandates, leading to widespread employee discontent. This study investigates whether such dissatisfaction extends to new graduates entering the workforce. A pilot survey revealed that 68% of new graduates prefer a hybrid work modality, yet 52% stated that work modality would not significantly impact their job decision-making process, and 46% said they would be unlikely to leave …

A Comparative Analysis Of The Intersection Between Sex Trafficking And Domestic Violence: A Cross-Cultural Study Of The United States And India, Rachel A. Napier

Theses/Capstones/Creative Projects

Domestic violence survivors are affected by long-term trauma from abuse, which can lead to them being more vulnerable and susceptible to sex trafficking tactics. Sex trafficking survivors are also at risk of becoming involved in an abusive relationship because they may have been previously exposed or due to a normalization of abuse. Both domestic violence and sex trafficking are prevalent issues within the world that continue to be ongoing due to their hidden nature. This study highlights the connections between domestic violence and sex trafficking and how each can be portrayed differently based on the environment and cultural norms within …

Die Weltwettbewerbsvorteile Deutschlands, Theresa Isbilir

Theses/Capstones/Creative Projects

Der Weltwettbewerb ist schärfer als immer. Im Jahr 2020 wurde China der Erste im Maschinenbau auf der Welt. Früher war das Deutschland. Die vier Branchen der Wirtschaft Deutschlands sind die Elektro- und Digitalindustrie, chemische Industrie, Maschinenbau und Kfz-Industrie (Automobilindustrie). China begann, Deutschland in all diesen Anteilen zu überholen. Der Staat hat fast keinen Plan darauf zu reagieren, und die technologische Infrastruktur Deutschlands liegt hinter anderen Ländern. Diese sind die ersten Zeichen einer sterbenden industriellen Ökonomie, besonders für ein Land, dessen Exportquote 48,9 Prozent ist.

Phoneme Recognition For Pronunciation Improvement, Matthew Heywood

Theses/Capstones/Creative Projects

This project aims to improve English pronunciation by investigating speech errors and developing a tool to provide precise feedback. The study focuses on creating a new pronunciation tool that offers localized feedback, identifies specific errors, and suggests corrective measures. By addressing the shortcomings of current methods, this research seeks to enhance pronunciation refinement.

Utilizing cutting-edge technology, the tool leverages speech-to-phoneme AI models and modified lazy string matching algorithms to compare the user's spoken input with the intended pronunciation. This allows for a detailed analysis of discrepancies, providing users actionable insights into their phonetic errors. The speech-to-phoneme AI models mark a …

Diagnostic Categories And Epistemic Injustice In Clinical Psychology, Thomas Eilers

Theses/Capstones/Creative Projects

This study investigated how clinical psychologists reasoned about and used diagnostic categories in practice. Diagnostic categories are limited and sometimes reductive systems of understanding people. They can also bring with them epistemic injustice, a type of wrong done to someone specifically in their capacity as a knower. In this case the concern is that a mental health diagnosis is a serious attack on a person’s credibility, wherein their experience is seen as less legitimate insofar as it is caused by an illness. Four semi-structured interviews were conducted with clinical psychologists. Psychologists generally described using diagnosis as one of many tools …

Illinois’S Latent Disease Transformation: No More Harsh Rulings, Joseph R. Egan

Northern Illinois Law Review Supplement

Recent amendments to Illinois statutes related to latent diseases have been the topic of current litigation. Traditionally, Illinois has placed a time limit on filing latent disease suits; however, after several self-described “harsh rulings,” the legislature amended this time-barring statute. Additionally, unlike before, plaintiffs are now allowed to go directly after employers. Employers have raised several issues concerning the constitutionality of the amendments to these statutes.

This Comment argues that the recent amendments by the Illinois legislature are constitutional because they do not violate ‘special legislation’ and are not applied retroactively. Trial judges and the Illinois Attorney General have all …