Digital Commons Network^™

Contributing Factors And Interventions For Increased Central Line-Associated Bloodstream Infection (Clabsi) Rates During The Covid-19 Pandemic: A Literature Review, Brittney Perry

Honors Undergraduate Theses

The purpose of this literature review is to determine the contributing factors of CLABSI rate increases during the COVID-19 pandemic and identify interventions which restored CLABSI rates to pre-pandemic levels to guide healthcare professionals’ actions during the next pandemic. Background: In the first two decades of the 21^st century, CLABSI rates were reduced in United States hospitals by innovating safer patient care practices. However, there was a significant increase in the annual CLABSI rate in 2020 and 2021, increasing the average length of stay, mortality rate, and cost to the U.S. healthcare system. Methods: An extensive search of CINAHL …

Predicting Willingness To Attain Telehealth Medical Treatment From Personality Variables, Maxwell J. Belshe

Honors Undergraduate Theses

The continued integration of technology into healthcare has made telehealth a vital resource. Yet, factors influencing individuals' willingness to seek telehealth treatment remain relatively underexplored. In this study, I examined the relationship between social media use, personal growth, environmental mastery, and social anxiety, as well as their relationship to college students’ willingness to utilize telehealth services. A sample of 402 participants was surveyed and a multiple regression analysis was conducted to assess these variables' abilities to predict willingness to use telehealth services. The model explained 10.6% of the variance in willingness to use telehealth with social media use and personal …

Insights Into The Heart Microstructure: A Case Study, Sarah Bulger

Honors Undergraduate Theses

This thesis focuses on better understanding the structures of the heart at the micro-scale. Cardiomyocytes and the branching of cardiomyocytes are of specific interest. A literature review was performed to extract key information on cardiomyocyte size, the branching type and frequency of cardiomyocytes, and cardiomyocytes' organization in general. The purpose of conducting the literature review was to find quantifiable data on the micro-structure of the heart. Three studies in particular provided data on the branching of cardiomyocytes. Two of these studies were conducted on rat hearts, while one other study was conducted on human hearts. The methods and terminology between …

Chm2045c: The Hurdle, Benjamin F. Cherkasskiy, Kira Garvey, Abigail David

High Impact Practices Student Showcase Spring 2024

Many undergraduate students at UCF are required to take chemistry classes and the chemistry pathway to fulfill their major conditions. As ULAs for one of the first college chemistry courses that students will take, we have witnessed students struggle when being introduced to the content. This contributes to lower motivation among students and an overarching feeling of “I can’t do this”. We aim to help alleviate the assumption that chemistry is “hard” or “impossible” by personally working with students and utilizing the strategies we learned in our Pedagogy class (CHM 4942). Throughout the semester, we have worked one-on-one with students …

Weeds To Wealth: Upcycling Emilia Sonchifolia To Biobased Batteries, Arielle E. Myerson, Lauren Whetstone

High Impact Practices Student Showcase Spring 2024

Lithium ion (Li-ion) battery technology typically requires graphite as the conductive material for the anodes. Graphite is an unsustainable material which is either synthetically manufactured from fossil fuels or mined and imported. To replace graphite anodes, silicon-based materials such as silicon oxycarbide (SiOC) can be used along with bio-based carbon sources to make even more energy-dense anodes than traditional graphite. The lignins that comprise plant cell walls are an excellent biological source of carbon. Therefore, invasive weeds, such as Emilia Sonchifolia (lilac tassel flower) are a good candidate for building sustainable Li-ion batteries. In this research, the weeds were collected, …

Leadership Within Volunteer Ucf, Ryan P. Kaufman, Parker R. Tyson, Ellie J. Clarke, Alayna G. Poore, Nadav Shanun

High Impact Practices Student Showcase Spring 2024

Our group comes from a variety of backgrounds and majors from New Jersey to Florida and from Engineering to Finance. Volunteer UCF (VUCF) was perfect for us. Though we are all different, we were able to connect through serving our Orlando community.

VUCF’s mission is to allow students to gain valuable knowledge and experience, become connected to volunteer opportunities of their interest, and expand their community outreach, through their events and programs. Volunteer UCF provides service event consultations and recognizes student volunteers for their outstanding service. They work with over 200 community organizations and continue to expand their outreach.

One …

Empowering Lives : The Positive Impact Of Oca’S Arts, And Education Programs, Robert D. Hoel Jr

High Impact Practices Student Showcase Fall 2024

The purpose of this project is to explore how the Opportunity, Community, Ability (OCA) organization impacts the lives of individuals with a range of special needs, helping them develop new skills and strengthen those they may struggle to master. My primary approach involves direct communication with the director and volunteering at OCA events over the coming months. This firsthand experience allows me to observe the organization’s impact on its community. Specifically, I chose to volunteer with OCA’s Running Man Theater Program, as theater holds a special place in my heart, and I feel it’s where I can make the most …

Imaginative Immersion: Developing A Theatre Of The Mind Pedagogy For An Ever-Changing Educational Landscape, Cory Kennedy Barrow

Graduate Thesis and Dissertation 2023-2024

The suspension of disbelief is integral to the performing arts. We ask our actors to see couches made of three chairs, designers to create cities in empty spaces, and most of all; we ask audiences to believe the stories and relationships that are figurative and often abstract. This level of critical and creative engagement is assumed to develop in spaces of higher education. However, with an ever-changing world and increasing conversions and integrations of Artificial Intelligence (AI) in spaces of higher education, it has become even more apparent that students need to develop their creative and critical thinking skills earlier …

Elucidating The Effects Of Cations And Electrode Wettability On Electrocatalysis, Kaige Shi

Graduate Thesis and Dissertation post-2024

Electrocatalysis plays a key role in the development of energy conversion technologies including fuel cells and electrolyzers, enabling a sustainable production of chemicals and fuels when powered by renewable electricity. Beyond the electrocatalytic materials, the local environment around catalytic sites, including liquid electrolyte and gaseous reactant/product, has a significant impact on gas-involving reactions such as CO₂ reduction and hydrogen evolution. This dissertation focuses on understanding the effects of electrolyte cations and electrode wettability on the reaction kinetics and bubble dynamics of electrocatalytic reactions. First, I studied the effect of non-metal cations including ammonium and alkylammonium on CO₂ reduction …

Mathematical Developments For Bubble Dynamics, Kacie Kulenguski

Graduate Thesis and Dissertation post-2024

This thesis explores bubble dynamics described by the Rayleigh-Plesset equation. The primary focus is on bubble growth. A theoretical discussion of bubble growth is given using the Rayleigh-Plesset equation. This work considers bubble growth in four different cases: a polytropic case without the consideration of surface tension, an isothermal case without surface tension, a polytropic case with surface tension, and an isothermal case with surface tension. Based on these cases, this work develops asymptotic solutions for the evolution of radial bubble growth over time. This thesis provides numerical solutions to these cases through the use of the Runge-Kutta method. These …

Assessment Of Caretaker Resources And Motivation In The Wean-To-Market Phase Of Swine Production, Joshua W. Holtkamp

Graduate Thesis and Dissertation 2023-2024

This study is a novel application of I/O Psychology principles to the U.S. swine industry. The Swine Health Information Center (SHIC) recently identified caretaker motivation related to compliance with biosecurity behaviors as a priority needing to be better understood. This exploratory study seeks to identify if there is indeed a worker motivation issue within the industry that is impacting compliance with biosecurity, and if so, establish both a baseline of motivation and a better understanding of the primary influencing factors. Using the Theory of Planned Behavior and the Job Demands/Resources Model of Burnout as a framework, an online survey was …

Understanding And Enhancing Performance And Microarchitecture Security In Modern And Emerging Computer Systems, Md Hafizul Islam Chowdhuryy

Graduate Thesis and Dissertation 2023-2024

Ensuring information security and scalable performance are critical in modern processor architecture designs. High-performance, data-intensive applications demand robust microarchitectures that are both secure-by-design and efficient. This dissertation explores new information leakage threats in modern processors and proposes secure-by-design architectures for emerging systems.

First, we examine vulnerabilities in existing microarchitectures, focusing on speculative execution's security implications. We reveal that branch predictor designs in modern processors are speculatively updated, leading to a novel speculative execution side channel. We propose a secure branch predictor architecture to mitigate this issue while maintaining performance benefits.

Second, we address challenges with emerging non-volatile memory (NVM) technologies. …

Design And Fabrication Of Quantum Cascade Laser Tree Arrays, Luke Milbocker

Graduate Thesis and Dissertation 2023-2024

Quantum cascade lasers (QCLs) are semiconductor lasers that can be designed to emit over a very broad wavelength range from the mid-wave infrared (MWIR) to terahertz frequencies. Their compact size and ability to output several watts of MWIR or long-wave infrared (LWIR) radiation makes them ideal sources for directional infrared counter measures (DIRCM). This application is fueling demand for ever more powerful QCLs, but power gains from single QCLs have largely stagnated in recent years. Novel waveguide geometries such as tree-arrays seek to increase output power delivered in a single high-quality beam. InGaAs/AlInAs tree array QCLs based on ridge waveguides …

Fatal Overdoses And Harm Reduction In Hotels And Motels In Central Florida, Alexandria R. Mcclarty

Graduate Thesis and Dissertation 2023-2024

This exploratory research assesses the relationship between unintentional fatal overdoses and hospitality environments, with a special focus on the Central Florida region, due to its high annual tourism rates. Multiple methodologies are used to determine the frequency of unintentional fatal overdoses across five calendar years in hotels and motels, analyze statistical significance between location of death and other demographic factors, geographically depict locations of overdoses, and analyze the role that hospitality staff plays in preventing or responding to fatal overdoses on their properties.

Upon analyzing overdose data from the District Nine Medical Examiner’s Office Medical Examiner, it was found that …

Curaçao's Tourism Transformation: Building A Legacy Of Growth, Manuel A. Rivera, Margaret Zorrilla

Hospitality+™ Center for Innovation and Training

Tourism in Curaçao has experienced remarkable growth, with total arrivals increasing from 582,400 in 2023 to 700,242 in 2024. This surge reflects the island’s rising appeal as a destination and sets the foundation for the significant economic contributions that follow.

One Beat, One Island: The Seamless Fusion Of Curaçao And The Curaçao North Sea Jazz Festival, Manuel A. Rivera, Robertico Croes, Brianna Morman, Margaret Zorrilla

Hospitality+™ Center for Innovation and Training

The Curaçao North Sea Jazz Festival (CNSJF) has established itself as a significant international event, attracting 6,232 attendees worldwide, significantly boosting the island’s tourism and cultural profile. Notably, 78.9% of attendees, or 4,917 "Festival-Passion Tourists," traveled to Curaçao specifically for the festival. These tourists were affluent and well-educated, primarily from the Netherlands, USA, Venezuela, Colombia, Aruba, and Suriname. Despite ongoing challenges with accessibility, particularly from Aruba, the festival strengthened perceptions of Curaçao as a destination, as evidenced by many visitors expressing intentions to return.[1] Held at the World Trade Center in Curaçao from August 29 through August 31, 2024, this …

Abundance And Habitat Associations Of Bivalves In Mosquito Lagoon, A Preliminary Survey, Mariam Sonbol

Honors Undergraduate Theses

This study investigates the understudied abundance and habitat associations of bivalves in Mosquito Lagoon. Seagrass habitats were found to support the highest diversity of mollusks in earlier surveys (Mikkelsen et al., 1995). Twelve sites, including seagrass-vegetated, unvegetated, and seagrass-restored areas, were sampled in March and May 2024. Habitat characteristics, such as sediment composition and seagrass cover, were analyzed alongside bivalve populations. Across all sites, 6 genera were identified among 44 individuals. Overall abundance and diversity of bivalves collected were low in all sites, and most individuals were juveniles. Sediment characteristics influenced differences in diversity across site types, with restored sites …

The Effect Of Intermittent Fasting, Caloric Restriction And Exercise On Aging And Longevity: Systematic Review, Romi Hardin

Honors Undergraduate Theses

The purpose of this study was to gain a better understanding of the effects of caloric restriction, intermittent fasting, and exercise on human longevity and aging, and explore their practical applications and inclusions into a healthy lifestyle. By reviewing the existing research and studies, this literature review focuses on identifying and explaining the biological mechanism behind these practices and exploring whether combining practices can be advantageous in extending not only lifespan but health span. The results generally indicate that following either caloric restriction or intermittent fasting and participating in regular exercise have immense results on promoting healthy aging in an …

The Role Of Multiteam Systems In Prescribed Fire Operational Incidents, Kevin Llanos

Honors Undergraduate Theses

The purpose of this thesis is to study how multiteam systems (MTS) are implicated in prescribed fire operations and enhance an interdisciplinary understanding of occupational demands in the industry to mitigate worsening environmental challenges. We study publicly accessible sources through a mixed-methods approach applying I/O psychology and discuss relevant literature. Land management plan documentation is reviewed to explore the structural and functional components of prescribed fire teams. We apply theory-driven coding to analyze prescribed fire incident documentation as we study MTS system processes and develop thematic findings. Lastly, industry job listing content and occupational demands are reviewed. Through this archival …

Guarding The Grid: Exploring Iot And Iiot Security Vulnerabilities In Smart Power Systems, Nicole G. Parker

Honors Undergraduate Theses

The Internet of Things (IoT) encompasses the collective network of electrical devices and the technology that enables them to send and receive data. The use of IoT technologies in industrial settings, such as transportation, manufacturing, and energy is referred to as the Industrial Internet of Things (IIoT). With the expansion of IoT in homes and IIoT in the energy sector has come an increase in the number of devices connected with each other. Engineers have utilized this network to develop sophisticated smart systems that combine sensing, processing, actuation, and control to produce smart environments. Along with the benefits of IoT …

Reinforcement Learning From Human Feedback For Ethically Robust Ai Decision-Making, Marco M. Plasencia

Honors Undergraduate Theses

The emergence of reinforcement learning from human feedback (RLHF) has made great strides toward giving AI decision-making the ability to learn from external human advice. In general, this machine learning technique is concerned with producing agents that learn to work toward optimizing and achieving some goal, advanced by interactions with the environment and feedback given in terms of a quantifiable reward. In the scope of this project, we seek to merge the intricate realms of AI robustness, ethical decision-making, and RLHF. With no way to truly quantify human values, human feedback is an essential bridge in the learning process, allowing …

Breakfast Skipping In College Students And Its Association With Eating Behaviors, Rebekah E. May

Honors Undergraduate Theses

Background: Breakfast is important in maintaining optimal diet quality and decreasing preventable diet-related disease later in life. Breakfast skipping is highly prevalent in the college population, potentially decreasing self-regulation and diet quality and increasing habits of overeating. However, specific eating styles and diet quality have yet to be studied in breakfast skippers.

Objective: To explore and compare the characteristics of eating style, self-regulation, and diet quality among college students between a day when breakfast is skipped and a day when breakfast is consumed.

Methodology: Undergraduate students (n=103) participating in this observational crossover study completed demographics, the Self-regulation of Eating Behavior …

Serious Game-Based Training For Improved Utilization Of A Novel Temporalis Emg Interface For Controlling Powered Wheelchairs, Calvin Macdonald

Honors Undergraduate Theses

Amyotrophic lateral sclerosis (ALS) is a terminal neurodegenerative disease that leads to a lack of independent mobility. One solution uses a unilateral surface EMG (sEMG) interface on the temporalis muscle to provide autonomous control of a powered wheelchair. Limbitless Journey, an EMG-controlled serious game, intends to provide users with a virtual environment to train in before use in a real-world scenario. A recent study analyzed the effect of video game training on the use of sEMG systems on the forearm, showing significant improvement in the usage of the interface but no difference between Free Play and structured play. The study …

Analysis Of Variations In Flow-Independent Liquid Jet-In-Crossflow Injections, Michael Scott

Honors Undergraduate Theses

Liquid fuel injection is a critical mechanism for the deliverance of liquid fuel in contemporary aircraft propulsion combustion systems due to its outsized influence in providing optimal combustion conditions and improving overall aircraft efficiency and performance. Despite this, these liquid jet in crossflow (LJIC) systems are highly variable due to conditions in the jet and the surrounding airflow, leading to variability in performance behavior and inconsistency in fuel mixing and combustion efficiency. This has prompted the introduction of solid pintile obstructions of novel designs to provide a more flow-independent fuel injection scheme and decrease variability of the jet properties against …

The Relationship Between Creative Activity And Physiological Symptoms Of Anxiety, Amanda G. Solivan

Honors Undergraduate Theses

The goal of this study was to determine the relationship between creative activity and physiological symptoms of anxiety. It was hypothesized that an increase in participation in creative activity would be related to a decrease in physiological symptoms. For this study, 250 participants were recruited through social media and SONA, and were prompted to complete surveys reporting how frequently they engaged in creative activities and the degree to which they experienced physiological symptoms. Results found that there was a significant relationship between two of the variables of interest (arts and crafts and sports) and somatic symptoms. Participants who reported higher …

Need For Cognition, Empathy, And Self-Esteem As Predictive Factors Of Modern Media Selectivity, Alfredo J. Hurtado Jr.

Honors Undergraduate Theses

Personality traits often drive media selectivity, as individuals seek out specific types of media and media genres for gratification. To further understand selectivity in a modern context, this study examined the personality factors of need for cognition, self-esteem, and empathy in relation to engagement with social media, literature, music, podcasts, video games, and tabletop games, with their associated genres. Analyses of 328 participants revealed that personality traits provided minimal to mild influence in media and genre selection, suggesting that the mechanisms behind media selection are comprised of other psychological and sociological factors.

Copyright Infringement In The Use Of Copyrighted Material By Generative Artificial Intelligence Programs, Kristin Lee

Honors Undergraduate Theses

The importance of protecting artistic works and promoting the creation of new works has been well established since the inception of United States Constitution. Copyright protections were created by Congress to grant authors exclusive rights over how their works are used and any violation of these rights is copyright infringement. This paper outlines why the use of copyrighted material to train generative artificial intelligence (A.I.) systems is an infringement upon the rights of the author and not an exception under fair use. While no court decisions have been rendered on this legal issue, this paper utilizes previous court decisions in …

An Assessment Of The Hotel Customers’ Robotic Service Quality Perceptions: Scale Development And Validation, Ahmet Hacikara

Graduate Thesis and Dissertation 2023-2024

"Hotel customers' interactions with service robots are becoming increasingly common, raising questions about how these interactions impact their experience. To address this gap in knowledge, this dissertation develops and validates a novel robotic service quality (ROBOQUAL) scale. Drawing on social exchange theory, the study examines the reciprocal relationship between hotel customers and artificially intelligent service robots, exploring how robotic service quality influences customers' perceptions of experience quality, satisfaction, and word-of-mouth intentions. The research employs focus-group studies, exploratory factor analysis (EFA), confirmatory factor analysis (CFA), and partial least squares equation modeling (PLS-SEM) to develop and validate the ROBOQUAL scale."

Best Practices For English Learners With Disabilities In Us Schools – A Systematic Review, Samiratu Bashiru, Jennifer E. Smith

Journal of English Learner Education

This systematic review investigated best practices for enhancing academic achievement among English Learners with Disabilities (ELDs) in US schools. By examining 17 peer-reviewed articles and comparing them to the CEC 2014 Quality Indicators, the study identifies significant practices, including culturally responsive methods, technology integration, evidence-based strategies, addressing service delivery challenges, and improving assessment tools. This review has limitations related to inconsistent terminology and highlights the need for standardized language and continued research. It recommends integrating culturally responsive practices, leveraging technology, and refining inclusive assessment tools. This review provides educators, policymakers, and researchers insights, emphasizing ongoing teacher development and policy alignment …

Microplastics, Macro-Problems: Abundance Of Man-Made Materials In The Waters And Sediments Of Florida State Parks, Luciana M. Banquero, Kate Mclendon, Andres Alatorre, Mackenzie Daniels, Savanna Freeman, Cassidy Starke, Katherine Harris, Sidney J. Busch

The Pegasus Review: UCF Undergraduate Research Journal

Man-made materials (MMM) are pollutants introduced to the environment by human activity. Microplastics (MP) are a type of MMM that threaten living organisms through bioaccumulation. The term MMM also encompasses pollutants produced from natural materials, such as rayon and microfibrillated cellulose, which are used in food packaging. This study aims to determine the extent of MMM pollution within estuaries in two of Florida’s state parks, as well as the effectiveness of using restored vegetation on shorelines to reduce MMM pollution. Tomoka State Park and Gamble Rogers State Park were selected at the request of the Florida Department of Environmental Protection. …