Digital Commons Network^™

Positivity And Invariance: From Radial Basis Functions To Graph Signal Spaces, Seok-Young Chung

Graduate Thesis and Dissertation post-2024

This dissertation investigates the positivity problem and zero localization of special functions or integral transforms, with particular emphasis on their implications in analysis, approximation theory, and signal processing. The first half centers on the characterization of positive definite radial functions via Hankel transforms involving Bessel functions. Motivated by classical results such as Bochner's theorem and Schoenberg’s work, we examine analytic conditions under which these transforms remain nonnegative, thereby ensuring the positive definiteness of radial basis functions (RBFs). We then explore the transition beyond positivity by focusing on the reality of zeros in Hankel (or Fourier) transforms. This leads to two …

Viability For Locally Monotone Evolution Inclusions And Lower Semicontinuous Solutions Of Halmilton-Jacobi-Bellman Equations In Infinite Dimensions, Jichao Jiang

Graduate Thesis and Dissertation post-2024

In this thesis we first study the necessary and sufficient conditions for differential inclusion driven by locally monotone operator in the sense of Liu and Röckner [J. Funct. Anal., 259 (2010), pp. 2902-2922]. The main result of our work provides a necessary and sufficient condition for a set K being viable, that is, a solution of the differential inclusion stay inside of the set K through out the time interval. We then examine the path-dependent Hamilton-Jacobi-Bellman equations (path-dependent HJB equations) associated to the optimal control problem with states controlled by evolution inclusions. With our results on viability, we …

Self Advection Of A Thin Vortex Filament In Incompressible Fluid, Gayathri Krishnan

Graduate Thesis and Dissertation post-2024

This thesis explores the self advection of a thin vortex filament in an incompressible fluid. The effect of slipping motion on the filament caused by viscosity is investigated. This problem is addressed by working with three models developed for this purpose.

The Da Rios-Betchov equations are obtained from the expression for the velocity of the vortex filament under the assumptions of local induction approximation. They describe the evolution of the intrinsic geometric quantities, namely, curvature and torsion of the filament. The invariants associated with these equations are deduced. The linear instability of the vortex filament motion obtained by Betchov is …

Carleman Linearization Of Dynamical Systems, And Graph Inverse And Wiener Filtering, Cong Zheng

Graduate Thesis and Dissertation post-2024

Carleman linearization is a mainstream approach for transforming finite-dimensional nonlinear dynamical systems into infinite-dimensional linear systems. It provides accurate approximations of the original nonlinear system over larger regions around the equilibrium for longer time horizons, surpassing the capabilities of conventional first-order linearization. In Chapter 1, we derive explicit error bounds for the finite-section approximation, demonstrating its exponential convergence concerning the finite-section order. We illustrate that for a specific class of nonlinear systems, exponential convergence can be achieved across the entire time horizon, extending to infinity. These results hold significant practical utility, as the proposed error bounds can be used to …

Older Adult Centered Robot Assessment: Usability, Social Presence, And Acceptance. Building Towards A Better Robot., Jordan Sasser

Graduate Thesis and Dissertation post-2024

This dissertation investigated factors influencing older adults' perceptions of Misty, a voice-enabled social robot designed for caregiving interactions. Three sequential studies explored how voice characteristics (pitch and speech rate), robot persona (personable vs. robotic), and task guidance (Misty guiding through timed up and go and four stage balance task) influenced usability, social presence, acceptance, and perceptions of medical assistant competence. Study 1 employed thematic and quantitative usability analyses, identifying that lower-pitched, moderately paced voices optimized user satisfaction, while repetitive activation phrases ("Hey Misty") significantly reduced usability. Study 2 examined how persona framing (personable vs. robotic) influenced perceptions of social presence …

The Relationship Between Adverse Childhood Experiences And Child Maltreatment Potential With Racial And Ethnic Considerations, Madison V. Verdone

Graduate Thesis and Dissertation post-2024

Referrals to Child Protective Services in the United States rise each year at a rate that is disproportionate to population growth (U.S. Department of Health and Human Services, 2022). The content of such reports includes instances of abuse, neglect, and/or suspicion of other types of violence against children. As such, it is clear that children are increasingly exposed to adverse experiences that impact their development. Understanding factors that may contribute to children’s exposure to adverse experiences may assist in breaking the cycle of intergenerational transmission. Thus, this study examined the relationships among parents’ adverse childhood experiences (ACEs), emotion dysregulation, and …

Parents’ Adverse Childhood Experiences And Young Children’S Behavior Problems: Examining Protective Moderating And Mediating Factors, Kaitlyn M. Daleandro

Graduate Thesis and Dissertation post-2024

Adverse childhood experiences (ACEs) are childhood exposures to abuse, neglect, and household dysfunction. ACEs have been linked to a cumulative negative impact on later adult physical and psychological well-being. Parents who carry ACEs often have difficulties in parenting, which have, in turn, been linked to young children’s internalizing and externalizing behavior problems. Nonetheless, some parents who carry ACEs develop positive parenting strategies. Very little is known about how such outcomes occur. A growing area of research concerns protective and compensatory experiences (PACEs) that buffer against the negative consequences of ACEs. PACEs may improve deficits in cognitive, emotional, and neurobiological systems …

Burnout In The Workplace- Organizational Influences On Counselor Burnout, Serene Hasan

Graduate Thesis and Dissertation post-2024

This study is a two-part manuscript dissertation that examined the impact of the six organizational influencers of burnout: Workload, Control, Reward, Community, Fairness, and Values on mental health counselors’ (MHCs) burnout, using Maslach’s three subscales of burnout: Emotional Exhaustion, Depersonalization, and Personal Accomplishment. Additionally, Work Setting and Age were assessed for their influence on MHC burnout, when the six organizational influencers were accounted for. The focus on this topic is crucial as burnout has a detrimental effect on counselors, clients, and organizations. The growing population in need of support surpasses the amount of MHCs that our nation has to offer. …

Quality Of Service Robots And Organizational Citizenship Behaviors: The Mediating Roles Of State Empathy And Perceived Organizational Support/Obstruction, Adam D. Jacobs

Graduate Thesis and Dissertation post-2024

Research on service robots is currently more conceptual than it is empirical. This thesis leverages resource allocation and social exchange theories to explain how employees choose to expend their resources depending on the functioning of the service robot. I propose that service robot quality (defined here as an employee’s perception of the usefulness and ease of use of a service robot) is an important consideration for organizations that adopt service robots, and hypothesize that employee state empathy and support (or obstruction) from their organization links service robot quality to employee organizational citizenship behaviors. The study consisted of 166 participants from …

Impacts Of Susceptibility To Peer Influence And Fomo On Viewing Alcohol-Related Content On Social Media, Alcohol Expectancies, And Alcohol Use, Callie L. Wang

Graduate Thesis and Dissertation post-2024

PURPOSE: Young adult (YA) alcohol use remains a significant public health problem, and may be influenced by alcohol expectancies developed through exposure to peers’ alcohol related content (ARC) on social media. This study examined the associations among ARC exposure, alcohol expectancies and alcohol use among YAs, and how susceptibility to peer influence and Fear of Missing Out (FoMO) may influence these relations. METHOD: YAs in the United States who endorsed consuming 1-2 standard drinks per month (N=371) completed surveys measuring ARC exposure, alcohol expectancies, susceptibility to peer influence, FoMO, and alcohol use at baseline and at 4- and 8-week follow …

The Role Of Social Media On Attention Deficit/Hyperactivity Disorder, Self-Esteem Imposter Phenomenon, And Identity Distress, Julie Hall

Graduate Thesis and Dissertation post-2024

This thesis explored the relationships between Attention-Deficit/Hyperactivity Disorder (ADHD), self-esteem, masking, Imposter Phenomenon (IP), and identity distress, along with the role in which social media integration plays in these relationships. Participants (N = 500) were recruited through SONA, a research recruitment database, and completed an anonymous online survey for course credit. Those who met the DSM-5 -TR criteria for ADHD had higher levels of IP, integration of social media, and Identity Distress, but lower levels of self-esteem compared to students who did not meet criteria for ADHD. This study is the first to explore the link between ADHD and …

Examination Of Driving Experience, Hazard Perception & Distracted Driving: Going Beyond Individual Factors By Using A Social-Ecological Framework, Alejandro A. Arca

Graduate Thesis and Dissertation post-2024

This research included two studies that examined the roles of nomophobia, driving experience, distraction presence, and hazard presence on driving behavior. In Study 1, a hazard perception task was used to assess participants’ hazard perception accuracy rate and reaction time. Results showed that novice drivers displayed significantly higher levels of nomophobia and lower self-efficacy scores, divided attention, and working memory scores compared to their experienced counterparts. Furthermore, the results also showed that novice drivers reported faster reaction times to hazards, which may be associated with poor impulse control as previously reported in the literature. Study 2 was conducted to further …

The Role Of Substance Use And Objectification On Bisexual Women’S Sexual Violence Experiences, Rachel Cooper

Graduate Thesis and Dissertation post-2024

Bisexual women experience the highest rates of sexual violence victimization, across all tactics, compared to all other gender and sexual orientation groups. Bisexual women’s higher rates of substance use puts them at greater risk for substance-facilitated sexual violence, however this does not account for higher rates of sexual violence that happen through other tactics. Objectification theory states that people learn to view women as sexual objects, whose value derives from their bodies’ sexual utility and this view increases the likelihood of sexual violence. Bisexual women experience an additional form of objectification in the form of bisexual stigma which is characterized …

Applying The 5d Model Of Country Image For International Public Relations: Analyzing Cultural Perceptions Of Qatar’S International Events "Expo 2023", Taleb Al-Adbah

Graduate Thesis and Dissertation post-2024

Studying country image in public relations has become essential to developing practices for countries engaging with international audiences. Hosting international events highlights the need for international public relations, where the country must adapt its culture and create culturally sensitive strategies to communicate effectively with individuals from diverse cultural backgrounds (Edwards, 2018). In this dissertation, Expo 2023 was employed as an international event to analyze Qatar’s country image among foreign and Qatari audiences. The dissertation aimed to understand the differences between their perspectives on Qatar and determine whether cultural tendencies impacted the country’s image. Additionally, the relationship between intercultural competency and …

Assessing The Accuracy Of Emotion Classification Of Whisper V3: Comparing Performance On Speech Emotion Datasets For Both English And Arabic, Oumaima Khalfi

Graduate Thesis and Dissertation post-2024

This thesis investigates the application of Whisper V3 which is a state-of-the-art, multilingual automatic speech recognition model to Arabic Speech Emotion Recognition (SER). Building on the foundational work of Muhammad Firdho, who adapted Whisper architectures for emotion classification tasks, this study extends his approach to the context of Arabic, a language characterized by rich dialectal diversity, complex morphology, and unique prosodic features.Although Whisper V3 was primarily designed for Automatic Speech Recognition (ASR), its latent representations appear to capture paralinguistic cues that can be leveraged for emotion classification. Muhammad Firdho laid the basis for this study by showing the ability of …

Nursing Simulation For Pediatric Communication: An Integrative Literature Review, Jayla R. Call

Honors Undergraduate Theses

The aim of this thesis is to explore literature focused on enhancing nursing students' communication skills with pediatric patients through simulation. Effective communication is key to building rapport and trust, which are essential for improving patient outcomes. However, nursing students may experience anxiety when interacting with pediatric patients due to limited training in communication techniques. Simulation offers a valuable opportunity for students to practice and refine their skills in a risk-free environment, allowing them to build confidence and competence. An integrative literature review was conducted, utilizing three databases and PRISMA guidelines (Page et al., 2021) to gather relevant studies for …

The Impact Of Socioeconomic Status On Substance Use Amongst The Hispanic Maternal Population, Emily C. Olivo

Honors Undergraduate Theses

Aim: To explore and synthesize existing research that focuses on the relationship between socioeconomic status and the use of substances amongst the maternal Hispanic population. By examining research and these factors, interventions can be identified to lower reported substance use rates amongst Hispanic mothers of childbearing ages.

Background: Minorities such as Hispanic women deal with a myriad of struggles, especially during motherhood. Socioeconomic status and substance use can contribute to a large part of the struggles faced by this population. Hispanic and Latina will be used interchangeably throughout this review of literature.

Method: A comprehensive electronic review of 3 databases …

An Examination Of Preservice Teacher Knowledge Of Attention Deficit Hyperactivity Disorder (Adhd) In The Elementary Classroom, Breana K. E. Webb

Honors Undergraduate Theses

This study examines the knowledge of preservice teachers with attention deficit hyperactivity disorder (ADHD) and how well prepared they might be when supporting students in elementary classrooms. ADHD is a diagnosed neurodevelopmental disorder in children and has been increasingly diagnosed over the past several years. Teachers play a crucial role in providing effective instruction to each and every student in the classroom. Managing classroom instruction with diverse learning capabilities and behaviors requires teachers to understand the characteristics of ADHD, as well as instructional adaptations and behavioral interventions, among preservice teachers. Findings indicate that while most preservice teachers recognize the basic …

Organization And Activation Of Caffeine Expectancies, Catherine S. Forsyth

Honors Undergraduate Theses

Caffeine is the most consumed and widely used psychoactive substance in the world. Whether someone uses caffeine or not, expectations about use can be influential to some degree. Expectancies exist everywhere and are extremely influential in all aspects of life. Regarding drug use, expectancies can affect behavior, outcomes, and one’s experience with the drug. Caffeine is no exception, caffeine expectancies have been seen to play a role in several actions such as the development, maintenance, and reinforcement of caffeine use. This study examined latent use profiles of caffeine and relationships between the profiles and the activation of caffeine expectancies. Multidimensional …

Remedios Varo: Peregrinaciones, Julia Condes

Honors Undergraduate Theses

At the time of her death, the artist Remedios Varo (1908–1963) left behind over 500 works of art, the majority of which were created in her adopted country of Mexico. Known for her meticulously crafted fantastical paintings, Varo underwent exile and displacement due to first the Spanish Civil War, and later World War II, which led her to relocate to Mexico, where she would create prolifically for the remainder of her life. This paper will examine the effect of those experiences on the artist and the work she produced, attesting to Varo’s ability to translate complex emotions regarding the human …

Community Redevelopment Agencies' (Cras) Perceptions Of The Legal, Ethical, Economic, And Financial Impacts On Florida's Redevelopment Since The Passage Of Florida House Bill 9 In 2019, Laurel L. Richmond

Honors Undergraduate Theses

This qualitative study explores the legal, ethical, economic, and financial impacts on Community Redevelopment Agencies (CRAs) following the passage of Florida House Bill (HB) 9 in 2019 by interviewing administrators and attorneys of the oldest Florida CRAs. CRAs are dependent special districts, funded by tax increment financing (TIF), and created to address areas deemed slum, blighted, or facing a shortage of affordable housing. HB 9 intended to address transparency and accountability issues and restore CRA operations and spending back to the original purpose, as authorized by Florida Statute 169.

The findings are timely and novel, given it has been five …

Assessing The Relationship Between Perceived Psychological And Physical Pain In Adults With Orthopedic Pain, Daniel C. Karimi Dehkordi

Honors Undergraduate Theses

Suicide remains a public health concern in the U.S., particularly among individuals experiencing chronic pain and psychological distress. This cross-sectional study investigated the relationship between perceived physical and psychological pain in 41 adults with chronic orthopedic conditions. The relationship between other risk and protective factors and perceived levels of pain distress was also examined. Results showed a significant positive correlation between psychological distress and physical pain (r(39) = 0.388, p < .05) and psychological distress and depressive/anxiety symptoms (r (39) = 0.477, p < .01). Psychological distress was moderately associated with feelings of hopelessness (r (39) = 0.403, p < .01), however, the relationship between physical pain and hopelessness was weak and nonsignificant (r (39) = -0.06, p = .71). Contrary to expectations, emotional support did not buffer the effects of psychological distress (r (39) = 0.07, p = 0.66). Mediational analysis confirmed that emotional support did not influence the relationship between physical pain and psychological distress (Beta (β) = -0.969, p = 0.572; Sobel Z = 0.5598, p = 0.575). Age was not correlated with psychological distress (r (39) = -0.24, p = 0.13) or mental health symptoms (r (39) = -0.05, p = .77). While there was no significant difference across sex, males reported higher mental health symptomatology and psychological distress scores than female counterparts. These findings underscore the direct impact of physical pain on psychological distress and challenge assumptions about the protective role of social support. The study highlights the need for integrated, multidisciplinary interventions targeting both physical and psychological pain to mitigate suicide risk among individuals with chronic orthopedic conditions. Future research should iii explore alternative support mechanisms and resilience-building strategies to address the complex interplay of pain, distress, and suicidality.

Intelligent Tutoring Systems In The Age Of Llm-Based Agentic Frameworks - Adapting Small On-Device Language Models For Fact-Checking And Student Compliance Detection, Evan Vahid Naderi

Honors Undergraduate Theses

As large language models (LLMs) demonstrate increasingly sophisticated language understanding capabilities, they offer transformative potential for educational technology, particularly in developing more responsive intelligent tutoring systems (ITS). To develop these systems, a synthesis that balances theoretical frameworks with practical, cutting-edge, and deployable technology would be useful. This thesis aims to advance the field of ITSs theoretically by viewing the modern advancements in natural language processing within the context of the foundational frameworks important to the fields of self-regulated learning, ITSs, and cognitive agents. Then, building on prior research on the ITS MetaTutor \citep{Azevedo2022}, this research focuses on how functions of …

Physical Activity And Hypertension Outcomes Around Menopause In Adult Women—A Secondary Analysis Of The All Of Us Research Program, Meriam F. Naguib

Honors Undergraduate Theses

Hypertension significantly impacts menopausal women due to a decrease in estrogen levels. That is due to estrogen level changes, causing many metabolic alterations, one of which is increased vascular resistance, leading to hypertension. Advanced treatments are made available to help alleviate the condition; however, lifestyle modifications—especially physical activity—show a critical role in hypertension control. This thesis explored the effect of physical activity as a non-pharmacological, lifestyle intervention on hypertension in women by menopausal status (pre-, peri-, and post-menopausal). This study used a secondary analysis with a retrospective design. Physical activity was defined using the American Heart Association's (AHA) guidelines (i.e., …

The Stigmatization Of Autism – Why It’S Still Present And How It Affects Women And Individuals Assigned Female At Birth (Afab), Emma Drauer

Honors Undergraduate Theses

The intent of this thesis is to explain some key factors (the theory of mind notion and the narrow perception of autism) that contribute to the stigmatization of autism and the impact this has on autistic women. Autistic women are heavily underrepresented, especially in the scholarly discourse, so this thesis collected first person accounts of autistic experiences through a survey and interviews. This data revealed important information such as the benefits of a diagnosis, how stigma can prevent this and have consequences, and the struggles autistic women face. Unmasking these struggles can help make the general public aware of their …

The Intersection Of Autism Spectrum Disorder And Mental Health: A Focus On College Students, Sudeepta Matha

Honors Undergraduate Theses

Rising prevalence rates of autism spectrum disorder (ASD), changes in diagnostic criteria, and increased public awareness have all contributed to the growing population of college students with ASD. However, many individuals - commonly referred to as the “lost generation” - go undiagnosed, due to experiencing negative interactions with mental health professionals. As a result, these individuals are not given the proper support and interventions required for a successful transition into adulthood, and often face heightened social isolation, academic problems, mental health challenges compared to their neurotypical peers. A combination of these factors can lead to increased suicidal ideation (SI) and …

Anxiety And Adaptive Functioning In Young Adults: The Moderating Role Of Psychological Flexibility, Makenzie L. Kennedy, Jeffrey E. Cassisi

Honors Undergraduate Theses

Anxiety is highly prevalent among emerging adults and is associated with impairments in academic, social, and daily functioning. While previous research has documented strong associations between anxiety and adaptive functioning, the present study uniquely tested psychological flexibility as a potential moderator that may foster resilience and adaptive coping.

Undergraduate students (N = 522) from the University of Central Florida completed measures of anxiety (PROMIS-A, GAD-7, STAI-S), adaptive functioning (WHODAS 2.0), and psychological flexibility (COMPACT-23). Confirmatory factor analyses supported distinct but correlated latent constructs of anxiety and adaptive functioning. Due to poor subscale intercorrelations, the COMPACT-23 total score was modeled as …

Generation Z’S Perception Of Skin Cancer And How It Relates To Climate Change, Piercen Bogolea

Honors Undergraduate Theses

Skin cancer is the most common cancer worldwide, and climate change has been identified as a significant contributor. Preventative action early on can help reduce occurrence, but it is unknown if Generation Z is aware of this and is taking the necessary action now to protect themselves. This research aims to gauge the perception of Generation Z on the severity of skin cancer, the relationship between climate change and skin cancer, and the prevalence of preventative measures being taken. A survey was distributed to students aged 18 to 27 enrolled at the University of Central Florida through mixed sampling. The …

Genomic Epidemiology Of Staphylococcus Aureus Sequence-Type 97, Eva Armao

Honors Undergraduate Theses

Staphylococcus aureus (S. aureus) is a gram-positive bacterial pathogen that colonizes human nasal passages, mucous membranes, or the skin of carriers, with colonization commonly found in 20-30% of healthy people. S. aureus has the potential for two types of infection within human hosts: methicillin-susceptible (MSSA) and methicillin-resistant (MRSA). These infections can be further classified based on their route of infection, either known as community-associated (CA), healthcare-associated (HA), or healthcare-associated community-onset (HACO). Upon further investigation of infected populations, specific genetic subtypes of S. aureus, known as sequence types (ST), have been identified globally, with some exhibiting increased virulence among …

The Yeasty Rise Of Conservatism By Fermenting Sourdough, Sydney M. Mcrae

Honors Undergraduate Theses

Baking has become increasingly popular in the last five years, particularly baking sourdough bread. This is evident through the rise of social media influencers focusing on trad-wife, family, and sourdough content. Trad wife is the term used to describe a a woman who lives a lifestyle that endorses gender roles, child-rearing, and taking care of the family. There is significant crossover between American social conservative ideals and a trad-wife. The emblem for a tradwife has become baking sourdough since the coronavirus pandemic. Previous research has linked the correlation between American social conservatism and the increasingly popular trad-wife phenomenon. Existing literature …