Digital Commons Network^™

Money Money Money, Richard C. Crepeau

On Sport and Society

In the last few weeks, the world of sport has brought to mind the lyrics of a wonderful song from ABBA:

Member Share Grocery Program Survey Results: 2023, Caroline Austin Ma, Amy Donley Phd

Institute for Social and Behavioral Science (ISBS)

The University of Central Florida’s Institute for Social and Behavioral Sciences (ISBS) partnered with United Against Poverty to measure the impact of their Member Share Grocery Program (MSGP). Surveys with 651 MSGP members across the four locations were undertaken September-December 2023. The following report details the results of every question by location.

Lotería: Hybrid Narrative Of A Transracial Adoptee, Dani F. Sarta

Graduate Thesis and Dissertation 2023-2024

Lotería is a hybrid poetry collection that follows the life of the speaker as a queer, Hispanic transracial adoptee raised by a conservative Catholic family in Central Florida, focusing on their struggle to fit into the binaries assigned to and expected of them across religion, race, gender, and sexuality. This collection is separated into three sections, each expanding on the one before as the speaker journeys through life, exploring their identity and their connection with the world around them. In the first section, poems such as "(Non)Binary Star" and "Size 6 Woman Size 18 Daughter" sift through the speaker's conflict …

Echo, Ana Beltran

Graduate Thesis and Dissertation 2023-2024

Echo is a 3D animated short film rendered within Unreal Engine from Epic Games. The story is centered around a small child named Echo who has moved to Earth with her mom. The story follows her adventures through her first days at school and what can happen when a parent suddenly disappears from a child's life against their will.

Many of the story beats take direct inspiration from personal experiences of either myself, my family members, or stories of immigrant children who come to the United States (US) with their parents in search of a better future. There has been …

Xgboost Hyperberd Model Using Steam Platform, Yuh-Haur Chen

Data Science and Data Mining

This project investigates game pricing strategies in the Steam market using an XGBoost model, drawing motivation from Professor Xie's lecture, and presenting findings through a density plot that delineates two primary pricing strategies. A free-to-play approach, indicated by a significant hot spot, is adopted by developers focusing on post-purchase revenues through DLC, aesthetic purchases, and in-game transactions. This sailing strategy includes community-centric developers aiming to distribute their games for player engagement rather than profit.

The project illustrates the effectiveness of advanced modeling techniques in handling complex datasets, with significant predictive accuracy reflected by a reduced MSE from 0.3472 to 0.1397. …

A Limit Order Book Model For High Frequency Trading With Rough Volatility, Yun S. Chen-Shue

Graduate Thesis and Dissertation 2023-2024

We introduce a financial model for limit order book with two main features: First, the limit orders and market orders for the given asset both appear and interact with each other. Second, the high frequency trading (HFT, for short) activities are allowed and described by the scaling limit of nearly-unstable multi-dimensional Hawkes processes with power law decay. The model eventually becomes a stochastic partial differential equation (SPDE, for short) with the diffusion coefficient determined by a Volterra integral equation governed by a Hawkes process, whose Hurst exponent is less than 1/2, which makes the volatility path of the stochastic PDE …

The Dyslexic Actor: How Dyslexia Affects The Acting Process, Kate Milazzo

Graduate Thesis and Dissertation 2023-2024

Dyslexia can benefit an actor, especially if the individual is aware of how the challenges and advantages of dyslexia impact their personal acting process. Dyslexia is widely understood to be a learning disability that affects an individual's reading and writing abilities. Many forms of theater rely on the written word, and an actor's success lies in their ability to interpret the text, leading one to question whether a dyslexic individual can find success as an actor. Yet several famous actors, including Octavia Spencer and Henry Winkler, are known to be dyslexic. As a dyslexic individual, I have also successfully participated …

Girl Child Marriage And Governing Party Ideology: Evidence From India, Divya Kapoor

Graduate Thesis and Dissertation 2023-2024

Although India has made significant advances in reducing girl-child marriage compared to other countries in South Asia, one in three of the world’s child brides still lives in the country. The literature on girl child marriage focuses mainly on the effects of socioeconomic factors and examines the implications of child marriage. I argue that, in addition to socioeconomic factors, the practice of girl-child marriage may be explained by political factors. My study focuses on the case of India and examines the impact of political factors at the legislative assembly constituency (AC) level in two states with varying political traditions and …

Spaced Out: Exploring Attention Deficit Hyperactivity Disorder Through Animation, Alyssa R. Klapka

Graduate Thesis and Dissertation 2023-2024

Spaced Out is about a 16-year-old high school student named Penny, who arrives home from school after a long day. She has astronomy homework that is due, and she is determined to sit down and get it done as fast as possible so that she can have some evening time to herself. This all goes awry when Opal, a dragon who is a manifestation of her ADHD, shows up to distract her. Penny must find a way to finish her assignment, not by ignoring Opal and pretending she isn't there, but by embracing the fact that she is a part …

Exploring Service Quality Among Us Hajj Pilgrims In Compliance With Vision 2030 Objectives, Majid Abdulmalik Alshaibi

Graduate Thesis and Dissertation 2023-2024

Saudi Arabia is progressing with Vision 2030, an ambitious blueprint for economic variation, global connection, and improved quality of life. The Hajj pilgrimage is addressed by the Doyof Al Rahman Program (DARP), one of the vision's programs aiming to enhance the Hajj experience. The Hajj pilgrimage is one of the world's largest annual massive gatherings and it has already received increased attention from researchers combining elements of pilgrimage and tourism. This dissertation aims to explore Hajj service quality and pilgrims' satisfaction. To attain this objective, a narrative and systematic literature review was conducted to develop a framework with standardized …

Github Uncovered: Revealing The Social Fabric Of Software Development Communities, Abduljaleel Al Rubaye

Graduate Thesis and Dissertation 2023-2024

The proliferation of open-source software development platforms has given rise to various online social communities where developers can seamlessly collaborate, showcase their projects, and exchange knowledge and ideas. GitHub stands out as a preeminent platform within this ecosystem. It offers developers a space to host and disseminate their code, participate in collaborative ventures, and engage in meaningful dialogues with fellow community members. This dissertation embarks on a comprehensive exploration of various facets of software development communities on GitHub, with a specific focus on innovation diffusion, repository popularity dynamics, code quality enhancement, and user commenting behaviors. This dissertation introduces a popularity-based …

Data-Centric Ai: Taming Ai-Ready Feature Space From Decision-Making To Generative-Ai Perspectives, Dongjie Wang

Graduate Thesis and Dissertation 2023-2024

Unlike humans, AI systems are brittle and not robust. They often struggle when faced with novel situations, and are highly sensitive to small perturbations, which can lead to catastrophically poor performance. These systems comprise two main components: the model and the data. In recent decades, research has primarily focused on models, emphasizing advanced structures or algorithms to enhance AI performance. However, the data-centric aspect consumes most of the time and resources of human experts and greatly influences AI systems. Furthermore, the gains from the model-centric part are reaching a plateau. Thus, I shifted my research focus toward data-centric AI in …

A Comprehensive And Comparative Examination Of Healthcare Data Breaches: Assessing Security, Privacy, And Performance, Mohammed Al Kinoon

Graduate Thesis and Dissertation 2023-2024

The healthcare sector is pivotal, offering life-saving services and enhancing well-being and community life quality, especially with the transition from paper-based to digital electronic health records (EHR). While improving efficiency and patient safety, this digital shift has also made healthcare a prime target for cybercriminals. The sector's sensitive data, including personal identification information, treatment records, and SSNs, are valuable for illegal financial gains. The resultant data breaches, increased by interconnected systems, cyber threats, and insider vulnerabilities, present ongoing and complex challenges. In this dissertation, we tackle a multi-faceted examination of these challenges. We conducted a detailed analysis of healthcare data …

Hierarchical Heterogeneous Catalysts For Hydrogenation Reactions, Azina Rahmani

Graduate Thesis and Dissertation 2023-2024

Noble metal catalysts are widely used for their remarkable activity and stability. However, their sustainability is challenged by their scarcity, both in terms of Earth-abundance and production sources. To ensure their sustainable use and long-term availability, it is essential to design new catalytic systems that minimize noble metal usage, maximize reactivity, and allow easy recovery and reuse. One promising approach involves using supported noble metal nanocatalysts (NCs) that enables low loadings of active materials, prevents NCs agglomeration during catalysis, and enhances separability of the catalysts from products. Nickel foams, as NCs support, stand out for their contiguous macroporous 3-D structure …

Doubly Rotating Coordinates: Wave Functions In Magnetic Resonance Problems, Sunghyun Kim

Graduate Thesis and Dissertation 2023-2024

The nuclear spin response to a rotating field H has been theoretically investigated from the 1930s to the 1950s. Building upon Majorana's probability theory, the behavior of spin 1/2 is well-illustrated in the joint review by Rabi, Ramsey, andSchwinger, and their spin wave function ψ is succinctly restated by Gottfried: ψ(t) = e^-iI_zωt/ℏe^{-i[I_z(ω₀-ω)+I_xω₁]t/ℏ}ψ(0).

However, the complexity involved in evaluating the wave function ψ in terms of probability amplitudes C_m attributed to the noncommutative nature of spin operators [I_x, I …

An Exploration Of Administrative Implementation Of Academically Challenging Curriculum To Enhance Learning (Accel- Fl Statute 1002.3105) In Florida Elementary Schools, Patricia L. Cummings

Graduate Thesis and Dissertation 2023-2024

This study investigated the content of 14 Florida district's Student Progression Plans and supportive district documentation to gain a better understanding of each district's implementation of Florida statute 1002.3105, ACCEL; explored the knowledge, attitudes, and experiences of principals of K-5 schools in two large counties in Florida in enacting ACCEL; and utilized the study's findings to create a guide for administrators. The first phase of the study analyzed the 14 largest Florida public school districts utilizing a content analysis and checklists on best practice in acceleration policy from Lupkowski-Shoplik et al. (2018) to examine each district's implementation. The second phase …

A Stress Perspective Of Leader-Follower Relationship Ambivalence, Ghada Baz

Graduate Thesis and Dissertation 2023-2024

Ambivalence is the experience of both positive and negative evaluations regarding an object such as a person or an event. Although interest in leadership ambivalence has been growing among researchers, there is still little understanding of what distinguishes it from poor leadership. The goal of this dissertation was to contribute to the leadership ambivalence literature by examining ambivalence in the leader-member exchange (LMX) relationship through the lens of occupational stress. Specifically, I used the job demands-resources model as a theoretical foundation and presented leadership ambivalence as a unique job demand that is associated with emotional exhaustion as a symptom of …

Sensing Using Angular Momentum Of Light: From Polarization To Optical Vortices, Mahdi Eshaghi

Graduate Thesis and Dissertation 2023-2024

Light is a powerful tool for probing a variety of physical phenomena. This dissertation explores some of the complex properties of light, with a particular emphasis on its angular momentum, encompassing the concepts of polarization and optical vortices that illustrate how light spins and orbits, respectively. The study includes a detailed examination of light polarization and introduces a number of innovative measurement techniques. It also extends the research on optical vortices by analyzing their interaction behavior with various types of inhomogeneous media. The comprehensive investigations are aimed at applications in sensing and communications.

Regarding light polarization, this dissertation presents a …

The Crash Consistency, Performance, And Security Of Persistent Memory Objects, Derrick Alex Greenspan

Graduate Thesis and Dissertation 2023-2024

Persistent memory (PM) is expected to augment or replace DRAM as main memory. PM combines byte-addressability with non-volatility, providing an opportunity to host byte-addressable data persistently. There are two main approaches for utilizing PM: either as memory mapped files or as persistent memory objects (PMOs). Memory mapped files require that programmers reconcile two different semantics (file system and virtual memory) for the same underlying data, and require the programmer use complicated transaction semantics to keep data crash consistent.

To solve this problem, the first part of this dissertation designs, implements, and evaluates a new PMO abstraction that addresses …

Adaptive Beyond Von-Neumann Computing Devices And Reconfigurable Architectures For Edge Computing Applications, Mousam Hossain

Graduate Thesis and Dissertation 2023-2024

The Von-Neumann bottleneck, a major challenge in computer architecture, results from significant data transfer delays between the processor and main memory. Crossbar arrays utilizing spin-based devices like Magnetoresistive Random Access Memory (MRAM) aim to overcome this bottleneck by offering advantages in area and performance, particularly for tasks requiring linear transformations. These arrays enable single-cycle and in-memory vector-matrix multiplication, reducing overheads, which is crucial for energy and area-constrained Internet of Things (IoT) sensors and embedded devices.

This dissertation focuses on designing, implementing, and evaluating reconfigurable computation platforms that leverage MRAM-based crossbar arrays and analog computation to support deep learning and error …

The Use Of Graphic Organizers On The Reading Comprehension Of High School Students, Beckylee Ramos Lorenzo

Graduate Thesis and Dissertation 2023-2024

This study seeks to identify correlation in the use of graphic organizers in reading comprehension of twelfth grade English language arts students. Specifically, this study seeks to determine if the use of graphic organizers in the teaching of reading has impacts on the reading comprehension of 12th grade English language arts students. The study intends to contribute to closing an information gap surrounding the effects of using instructional strategies such as graphic organizers in reading comprehension in a twelfth-grade English class. The research questions helped to guide this study in identifying descriptive statistics within PSAT reading comprehension scores during the …

A Narrative Inquiry On Lived Experiences That Support Recruitment And Retention Of Black Male Mathematics Teachers, Shane Wiggan

Graduate Thesis and Dissertation 2023-2024

There is a shortage of Black male teachers in the United States and an even smaller proportion of Black male mathematics teachers. With the population of students in the United States becoming increasingly more diverse, we would greatly benefit from a teaching workforce that aligns with the rich diversity of the student population they serve. This narrative inquiry explored the lived experiences that attracted Black men to the mathematics teaching career and what may have inspired them to continue teaching. The goal was for the data collected through the narratives of four Black male teachers, two former teachers, and two …

Development And Content Validation Of The Student Perception Of School Safety (Spss) Scale: An Expert Evaluation Of Item Relevance Ratings By Law Enforcement And School Guardians, Diana D. Scott

Graduate Thesis and Dissertation 2023-2024

There is "no one-size-fits-all solution" to school safety (Cybersecurity & Infrastructure Security Agency, 2022. p. 7). The growing number of school shootings and health problems at schools raise serious questions about the dimensions of school safety that should be measured. Prior extensive surveys measuring elementary student's views of safety in relation to relevant safety issues have not been conducted. There were four objectives for this study: 1) to investigate relevant dimensions of school safety and understand safety procedures that are currently in use; 2) to formulate and organize questions that would be approved to gauge elementary students' perceptions about school …

Exploring Mathematics Teachers’ Understanding And Implementation Of Effective Questioning As A Pedagogical Tool, Joslyn M. Vilabrera

Graduate Thesis and Dissertation 2023-2024

This dissertation explores elementary mathematics teachers' understanding and implementation of effective questioning techniques within the instructional context. A qualitative, multiple case study design was employed for this dissertation in practice. This study was conducted in a K-5 school in Florida, focusing on four elementary school teachers in grades 3-5. Data collected included semi-structured interviews and live observations. Analysis of transcripts from interviews and observational notes provided an insider look into teachers’ planning and implementation of questioning.

The research was driven by two research questions: How do teachers implement questioning in mathematics instruction? and What factors influence teachers' planning and implementation …

A Content Analysis Of The Mathematics Curriculum Progression For Students Taking Algebra I And Geometry Honors Before High School, Yeidi Diaz Reyes

Graduate Thesis and Dissertation 2023-2024

ABSTRACT

This qualitative content analysis study examined different middle school mathematics pathways from a large urban district in Florida to determine possible gaps in the accelerated pathways and differences between the district’s learning targets and Florida’s Benchmarks for Excellent Student Thinking (B.E.S.T.) Standards. Additionally, the accelerated pathways were compared to the Southern Regional Educational Board (SREB) 12 Indicators to identify possible missing content necessary to succeed in Algebra I Honors and Geometry Honors. The study aimed to answer three research questions: (1) In what ways do Florida’s B.E.S.T. Standards included in the non-accelerated and accelerated pathways for middle school mathematics …

The Role Of Mathematics Anxiety On The Cognition And Metacognition Of Middle School Algebra 1 Students During Cognitively Demanding Tasks, Julia Keith

Graduate Thesis and Dissertation 2023-2024

This dissertation examines how mathematics anxiety influences the cognitive and metacognitive processes of middle school Algebra 1 students during cognitively demanding tasks. Individuals who experience mathematics anxiety may feel lifelong consequences and avoid mathematics courses at the secondary and college levels, which limits access to careers in STEM fields. Research suggests that a variety of factors may impact an individual’s mathematics anxiety. With an increase in the number of students enrolled in Algebra 1 at the middle school level, this explanatory sequential mixed-method study examines how mathematics anxiety influences students’ cognitive and metacognitive processes as they complete cognitively demanding Algebra …

An Ethnographic Study On How Mandated Curriculum Influences Mathematics Instruction At A State-Supervised School, Laura T. Pimentel

Graduate Thesis and Dissertation 2023-2024

This ethnographic study focused on understanding the culture and describing the experiences of elementary mathematics teachers as they used a mandated curriculum and scope and sequence at a state-supervised school. The scope and sequence was created and provided by the school district with the expectation of implementation with high fidelity by the Bureau of School Improvement within the state of Florida. This study used key informant interviews, Professional Learning Community observations, and classroom observations of mathematics teachers in grades three through five to analyze and describe how the school culture of planning and instruction influenced mathematics teaching. Findings suggest that …

A Case Study On The Impact Of Intermediate Elementary Teachers’ Pedagogical Content Knowledge And Expectancy Beliefs Of Students On Scaffolding Practices In Mathematics Intervention, Deborah Blakeslee

Graduate Thesis and Dissertation 2023-2024

This study investigated the impact expectancy beliefs had on third through fifth-grade teachers’ instructional teaching practices. These instructional teaching practices included how teachers used their pedagogical content knowledge, specifically their content knowledge for teaching mathematics and formative assessment, to make scaffolding decisions while supporting students in mathematics intervention. The investigation included the analysis of stratified sampling procedures, expectancy beliefs, observations, and self-reported scaffolding ratings. A multiple case study was conducted to understand how four participants, the teachers in the study, expected students to perform in mathematics intervention along with the participants’ pedagogical content knowledge and the impact those beliefs and …

Comprehensive Analysis Of The Intersection Between Cryptocurrency And Infrastructure Security, Ayodeji Adeniran

Graduate Thesis and Dissertation 2023-2024

Cryptocurrencies are experiencing a significant surge, with the total valuation surpassing two trillion US dollars at specific points. This remarkable growth is underscored by the existence of over 23,000 different cryptocurrencies as of 2024, according to CoinMarketCap. These digital assets aim to break down borders and enhance access to financial services, fostering a more inclusive global economy.

However, the swift ascent and widespread adoption of cryptocurrencies come with considerable risks. The growing popularity and promise of these digital assets have opened up new avenues for malicious actors. Cybercriminals are exploiting public infrastructures, the cloud, the metaverse, and various websites to …

A Scaffolded Corequisite Curriculum For College Algebra Students: Effects On Achievement And Motivation, Patrick R. Sandefur

Graduate Thesis and Dissertation 2023-2024

This study chronicles the implementation of a scaffolded corequisite College Algebra curriculum at a Southeast community college and the corresponding effects on student motivation and achievement. The scaffolded curriculum incorporates academic-related skills, academic support, and student motivation to promote success in the gateway college math course. The corequisite model allows students to bypass a prerequisite course and enroll directly in the college-level coursework, with remedial content from the prerequisite course delivered concurrently through supplemental learning sessions or labs. In fall 2023, data were collected from five College Algebra courses, including student demographic data, from two evaluative instruments administered at the …