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Podcasts As Informal Learning Tools: Graduate Students' Experiences With Podcasts As Self-Directed Learning, Michael Heller
Podcasts As Informal Learning Tools: Graduate Students' Experiences With Podcasts As Self-Directed Learning, Michael Heller
Electronic Theses and Dissertations, 2020-
The purpose of this phenomenological inquiry was to explore how graduate students in education programs at a large, public university in the Southeastern United States perceived and interpreted their informal learning experiences from listening to podcasts. Guided by a conceptual framework comprised of Andragogy, Uses and Gratifications, and King's Reflective Action Research Model, this qualitative investigation, conducted during the COVID-19 lockdown of 2020, utilized in-depth Zoom interviews with 15 graduate students in education programs. The participants' constructed personal narratives revealed four distinguishable educative benefits of podcast listenership: Educative Engagement and Enhancement, Self-Directed Convenience, Parasocial Perspective Gathering, and Educative Growth Through …
Emulsion Characterization Study For Improved Bilgewater Treatment And Management, Daniela Diaz Hernandez
Emulsion Characterization Study For Improved Bilgewater Treatment And Management, Daniela Diaz Hernandez
Electronic Theses and Dissertations, 2020-
The need for proper management of bilgewater to meet discharge regulations (e.g., 15 ppm oil) has revealed the necessity to expand the current understanding of bilgewater emulsions. This study proposed to evaluate emulsion stability under various environmental conditions and to identify governing parameters for emulsion formation. The stabilizing properties of eight-commercial cleaners and two-neat surfactants were evaluated. In situ characterization techniques were used for monitoring emulsion stability. Additionally, a needle-type pH microsensor and fluorescence spectroscopy were used for analyzing mass transfer at the oil-water interface. Water quality of extracted bilgewater showed to highly vary between vessels (e.g., conductivity: 1.74 -- …
Creation And Analysis Of An Enhanced Rascal-Lvc Framework Capable Of Simulating Ionizing Radiation Damage To Emergency Responders During A Nuclear Power Plant Disaster: A Case Study In Unmanned Aerial Vehicle Electronic System Survivability, Buder Shageer
Electronic Theses and Dissertations, 2020-
This study developed and analyzed the use of a live virtual constructive (LVC) framework capable of simulating ionizing radiation damage to Unmanned Aerial Vehicles (UAV) during a nuclear power plant disaster. UAV response promises greater safety to humans over helicopters as well as provides longer survivability in the presence of irradiated environments. However, electronics in unmanned systems are subject to radiation damage and over time eventual failure. A LVC simulation framework may offer an independent and low-cost assessment of equipment life expectancy. Knowing life expectancy of equipment for operational scenarios is critical for emergency management planners. This research creates an …
Improving Air Pollution Exposure Estimation Using Cell Phone Location Data And Low-Cost Sensors, Xiaonan Yu
Improving Air Pollution Exposure Estimation Using Cell Phone Location Data And Low-Cost Sensors, Xiaonan Yu
Electronic Theses and Dissertations, 2020-
Human exposure estimation to air pollution plays an important role in epidemiological studies which are designed to reveal correlations between human exposures to certain air pollutants and certain diseases, such as asthma, cardiovascular disease and reproductive diseases. Traditionally, when people's mobile data is hard to get, home location is used to estimate people's exposures assuming that people stay at home all the time. Whereas, people move and it is more accurate to estimate people's exposures including people's mobility. In our study, we showcased two methods to obtain people's mobile data: Google Maps location history (GMLH) data and Call Detailed Record …
Utilizing Institutional Data For Curriculum Enhancement To Improve Student Success In Undergraduate Computing Programs, Prateek Basavaraj
Utilizing Institutional Data For Curriculum Enhancement To Improve Student Success In Undergraduate Computing Programs, Prateek Basavaraj
Electronic Theses and Dissertations, 2020-
Student success is one of the widely discussed topics in post-secondary institutions and is measured in terms of the graduation and retention rates of programs. The goal of an educational institution is to achieve maximum student success and, hence, high graduation and retention rates. There are multiple studies on factors affecting student success. One of the factors that contributes to student success is the "program curriculum." Unfortunately, the traditional program curricula at many higher education institutions were developed with a belief or assumption that all students possess equal expertise, skills, and follow a similar learning path. The traditional curricular development …
Mobile Health Technology To Enhance Healthcare Service Delivery In Developing Nations (Saudi Arabia), Nawaf Khan
Mobile Health Technology To Enhance Healthcare Service Delivery In Developing Nations (Saudi Arabia), Nawaf Khan
Electronic Theses and Dissertations, 2020-
Saudi Arabia is among the countries that have very high prevalence rates of diabetes and hypertension, with prevalence rates of almost 18% and 25%, respectively. The majority of patients with diabetes and hypertension fail to manage their diseases and to show up for their follow up appointments. Mhealth technology is among the interventions that have been recently adopted to overcome these issues and improve the quality of healthcare services. This study aims to evaluate the effectiveness of a mobile phone application named diabetes and hypertension application (DHA Tracking) to promote adherence for patients with diabetes and hypertension in Mecca, Saudi …
An Investigation In To Resume Construction And Hiring Decisions: Perceptions Of Black Womens Natural Hair, Cassandra Kroon
An Investigation In To Resume Construction And Hiring Decisions: Perceptions Of Black Womens Natural Hair, Cassandra Kroon
Electronic Theses and Dissertations, 2020-
This research examined how black women's natural hair was perceived in a professional setting. Expectancy violation theory (EVT) suggests that people create patterns of communication but that these patterns can be disrupted when a person violates the established expectations. The theory was applied to perceptions of black women's natural hair in a professional setting. An experimental survey was used to assess whether participants viewed natural hair in the workplace as a positive or negative expectancy violation. Participants were asked to view a resume and complete Likert-type scale items to evaluate the resume. The items measured the candidate's professionalism, likeability, attractiveness …
Initiating Change, Connection, And Community, Janine Papin
Initiating Change, Connection, And Community, Janine Papin
Electronic Theses and Dissertations, 2020-
Augusto Boal said "Theatre is a form of knowledge; it should and can also be a means of transforming society. Theatre can help us build our future, rather than just waiting for it." I have been a teacher in a private school setting for 27 years. In my work with students, it becomes increasingly important to me that the projects in which I engage become transformative, not only for me and my students, but for my audiences as well. Finding ways that promote awareness of social justice, both locally and globally, has become paramount. My ongoing goal is to inspire …
Unexplored Conceptions: What Writing Center Tutors Think About Writing, Andrew Petrykowski
Unexplored Conceptions: What Writing Center Tutors Think About Writing, Andrew Petrykowski
Electronic Theses and Dissertations, 2020-
Writing center tutors enact their conceptions of writing in every tutoring session, and yet their conceptions of writing have not yet been systematically researched. This thesis researches the conceptions of writing of writing center tutors at the University of Central Florida's University Writing Center. To uncover tutors' conceptions of writing, I interviewed three tutors by asking them open-ended questions about their experiences with writing and tutoring. After coding and analyzing the transcripts of these interviews, I found seven shared conceptions of writing. These conceptions are the basis of my argument. Because these conceptions are shared but not taught, I turn …
Rotational And Shower Head Cooling Hole Effects On Leading-Edge Jet Impingement Heat Transfer, Weston Olson
Rotational And Shower Head Cooling Hole Effects On Leading-Edge Jet Impingement Heat Transfer, Weston Olson
Electronic Theses and Dissertations, 2020-
Jet Impingement and shower head cooling are critical cooling techniques used to maintain turbine blades at operational temperatures. Jet impingement is extremely effective at removing large amounts of heat flux from the target surface, the inner blade wall, through stagnation point heat transfer. Shower head cooling produces a cooling film around the exterior of the blade, in return reducing external heat flux. The current work consisted of investigating the jet impingement effectiveness with rotational effects for two different cooling schemes. The analysis was conducted numerically using STAR CCM+ with two different turbulence models, the three equation Lag Elliptic Blending K …
"You Tell Me How They Work": First-Year College Composition Instructors' Purposes And Practices For Choosing And Using Worked Examples, Rena Perez
Electronic Theses and Dissertations, 2020-
This thesis describes and analyzes the how and why behind first-year college composition (FYC) instructors' practices for choosing and using examples for teaching writing at UCF. In educational research, developments related to cognitive load theory, analogical transfer, and worked examples reject discovery learning pedagogy, instead advocating for providing examples to aid in problem-solving. Scholars in ill-structured disciplines have studied the use of worked examples (Kyun et al.; Ondrusek et al; Rourke and Sweller), paving the way for fields such as composition studies to apply this concept in new contexts. Although composition scholarship recommends the use of models or sample texts …
Prediction Of Pedestrians' Red Light Violations Using Deep Learning, Shile Zhang
Prediction Of Pedestrians' Red Light Violations Using Deep Learning, Shile Zhang
Electronic Theses and Dissertations, 2020-
Pedestrians are regarded as Vulnerable Road Users (VRUs). Each year, thousands of pedestrians' deaths are caused by traffic crashes, which take up 16% of the total road fatalities and injuries in the U.S. (FHWA, 2018). Crashes can happen if there are interactions between VRUs and motorized transportation. And pedestrians' unexpected crossings, such as red-light violations at the signalized intersections, would expose them to motorized transportation and cause potential collisions. This thesis is intended to predict the pedestrians' red-light violation behaviors at the signalized crosswalks based on an LSTM (Long Short-term Memory) neural network. With video data collected from real traffic …
Factors Affecting The Performance Of Photo-Voltaic Solar Energy Storage, Vasanth Bhat
Factors Affecting The Performance Of Photo-Voltaic Solar Energy Storage, Vasanth Bhat
Electronic Theses and Dissertations, 2020-
One of the most important factors in a nation's development is energy availability. All the aspects of its economy are directly proportional to the energy resources. Oil is one of the most sought energy resources currently. Solar energy is one of the most important renewable sources of energy available to us. With oil deposits depleting and current global warming, there is an emphasis on using more and more renewable sources or clean energy. This has led to immense research on solar cells and how it could better be used to get maximum output. Storage of energy is another aspect that …
How Young Adult Literature Better Informs Canonical Literature In The 9th Grade English Language Arts Classroom, Amber Bernozzi
How Young Adult Literature Better Informs Canonical Literature In The 9th Grade English Language Arts Classroom, Amber Bernozzi
Electronic Theses and Dissertations, 2020-
The purpose of this qualitative critical discourse analysis study was to determine if there was a benefit to using a young adult adaptation of a canonical piece to increase student comprehension in the 9th grade English-Language Arts classroom. The use of young adult literature in the secondary classroom is a prevalent topic that continues to circulate amongst educators and researchers. This research study addresses how canonical literature is far removed from the current set of twenty-first century students and its disconnect in the classroom. This study sought to discover student thoughts and perceptions on a specific set of text pairings …
Naming More Of What We Know: Critical Memoirs & The Ecological Metaphor As A Threshold Concept In Writing, Loren Cooper
Naming More Of What We Know: Critical Memoirs & The Ecological Metaphor As A Threshold Concept In Writing, Loren Cooper
Electronic Theses and Dissertations, 2020-
"Naming More of What We Know: Critical Memoirs & the Ecological Metaphor as a Threshold Concept in Writing" contributes to the work begun by Adler-Kassner and Wardle to gather and name Writing Studies' body of disciplinary knowledge as "threshold concepts." This thesis answers their call to engage in the ongoing development of threshold concepts by offering an additional critical construct: Writing as ecological. To explicitly acknowledge that writing is ecological is an essential addition to the content of our knowledge because it (1) meets the threshold-concept criteria adapted from Meyer and Land (2003), (2) establishes a codified, embodied, 3-dimensional system …
Investigation In Engineering Leadership Using System Engineering And Virtual Reality, Charles Davis
Investigation In Engineering Leadership Using System Engineering And Virtual Reality, Charles Davis
Electronic Theses and Dissertations, 2020-
System Engineering can help derive requirements and specifications to build virtual environments which are good to test behaviors and attitudes. Virtual simulations can have a strong impact because role-playing facilitates active learning, permits the acceptance of new concepts, and generates increased interest, enthusiasm, and motivation. Research over the last 50 years has shown that reasoning with and about context is an essential aspect of human cognition, permeating language, memory, and reasoning capabilities. This integral process is developed over a lifetime through experiential learning. In this research, we utilize systems engineering to capture guidelines from psychologist and concepts of technological leadership. …
Shared Responsibility Of Highly Effective Co-Teachers In Middle School Mathematics Classrooms, Ann Hembrook
Shared Responsibility Of Highly Effective Co-Teachers In Middle School Mathematics Classrooms, Ann Hembrook
Electronic Theses and Dissertations, 2020-
Currently, most students with disabilities (SWDs) receive a majority of their education in the general education classroom (U.S. Department of Education, 2019). This inclusive practice reflects educational and accountability requirements described in the Individuals with Disabilities Education Improvement Act (2004) and the Every Student Succeeds Act (2015). To address these requirements, schools seek service delivery models that support SWDs and close achievement gaps (Murawski & Goodwin, 2014). In this study, the researcher investigated the lived experiences of highly effective middle school teachers using co-teaching as a service delivery model to support SWDs in the general education classroom. The researcher used …
Behavior Specialist Experiences Of Roles And Responsibilites In Inclusive Trauma Informed Schools, Stephanie Jackson
Behavior Specialist Experiences Of Roles And Responsibilites In Inclusive Trauma Informed Schools, Stephanie Jackson
Electronic Theses and Dissertations, 2020-
With the implementation of the Marjory Stoneman Douglas Act (SB-7026) and the introduction of the Trauma Informed Schools Act of 2019 (H.R. 4146), the need for well-prepared behavior specialists is critical as well as, difficult in inclusive public school settings. Improving structures within the trauma-informed schools model that address challenges that individuals in these roles face will require a better understanding of the ideal day-to-day roles and responsibilities that behavior specialist have. Specifically, their roles need to be understood by school-based administrators who will support them. The purpose of this qualitative investigation was to explore how five female behavior specialists, …
Marijuana Use Among Adults In The United States: Comparing Correlates Of Use, Assessing Impact Of Education, And Evaluating Use And Health Amid Justice-Involved Populations, Corey Pomykacz
Electronic Theses and Dissertations, 2020-
Over the past two decades, there have been significant changes in state-level policies (i.e., decriminalization, medicalization, legalization) in the U.S. regarding marijuana use. Prior research has found a relationship between marijuana policies and decreased perceived risk as well as increased prevalence of use. In light of these historical shifts, the public health implications of marijuana use deserve increased attention by researchers so that we can discern patterns of use, evaluate risk, and inform intervention. This dissertation has three aims: (1) investigate how correlates of use prevalence versus use frequency vary; (2) offer a theoretical explanation as to why more education …
Tensor Network States: Optimizations And Applications In Quantum Many-Body Physics And Machine Learning, Justin Reyes
Tensor Network States: Optimizations And Applications In Quantum Many-Body Physics And Machine Learning, Justin Reyes
Electronic Theses and Dissertations, 2020-
Tensor network states are ubiquitous in the investigation of quantum many-body (QMB) physics. Their advantage over other state representations is evident from their reduction in the computational complexity required to obtain various quantities of interest, namely observables. Additionally, they provide a natural platform for investigating entanglement properties within a system. In this dissertation, we develop various novel algorithms and optimizations to tensor networks for the investigation of QMB systems, including classical and quantum circuits. Specifically, we study optimizations for the two-dimensional Ising model in a transverse field, we create an algorithm for the $k$-SAT problem, and we study the entanglement …
Student Affairs Fundraising: A Comparative Case Study Of Two Programs At Public Research Universities, Neal Robinson
Student Affairs Fundraising: A Comparative Case Study Of Two Programs At Public Research Universities, Neal Robinson
Electronic Theses and Dissertations, 2020-
This comparative case study examined the development, design, and evolution of two student affairs fundraising programs, each led by a full-time development officer, at public research universities in the Southeastern region of the United States. The purpose of the study was to identify practices and strategies for higher education administrators exploring, creating, or reframing student affairs fundraising programs that traverse advancement and student affairs divisions. The research is timely given the increased role of philanthropy in funding public higher education institutions (Giving USA, 2018) and the growing number of student affairs fundraising programs (Crowe, 2011). Bolman and Deal's (2017) four …
Pervasive Spectrum Sharing For Improved Wireless Experience, Mostafizur Rahman
Pervasive Spectrum Sharing For Improved Wireless Experience, Mostafizur Rahman
Electronic Theses and Dissertations, 2020-
Spectrum sharing among cellular users has been a promising approach to attain better efficiency in the use of the limited spectral bands. The existing dynamic spectrum access techniques include sharing of the licensed spectrum bands by allowing other 'secondary' users to use the bands if the licensee 'primary' user is idle. This primary-secondary spectrum sharing is limited in terms of design space, and may not be sufficient to meet the ever-increasing demand of connectivity and high signal quality to improve the end-users' wireless experience. The next step to increase spectrum efficiency is to design markets where sharing takes place pervasively …
Pixelated Scapegoat: False Connections Between Video Games And Violent Crime In America's Largest Cities, Matthew Segal
Pixelated Scapegoat: False Connections Between Video Games And Violent Crime In America's Largest Cities, Matthew Segal
Electronic Theses and Dissertations, 2020-
For too many years, the public perception of violent crime has been viewed through the warped lens of media representations and reporting of mass killings, the likes of Columbine, Sandy Hook, and Parkland, while ignoring the body counts that rack up year after year in America's own cities. Many pundits and politicians declare cultural decay and glorification of violence in video games as the main reason for mass shootings. However, these same voices fail to take the explanation any further to explain the eruptions of violence that rack up thousands of lives a year in large metropolitan areas. The question …
Reading Between The Lines: Language Ideologies And Tutor Education Readings, Michele Cintron Toney
Reading Between The Lines: Language Ideologies And Tutor Education Readings, Michele Cintron Toney
Electronic Theses and Dissertations, 2020-
Language difference and socially-just writing center praxis have long been points of discussion within writing center scholarship. Writing center administrators and tutors recognize that the praxis within their writing centers does not always correspond to their beliefs about working with student writers or the role of the writing center within the academy—particularly in the areas of language equality and social and racial justice—and they acknowledge the impact that course readings have in tutor education. While tutor education readings may not specifically state a particular ideological viewpoint regarding language difference, their discussions of language and rhetorical practices, multilingual writers, and tutoring …
Nanofabrication And Characterization Of An Enzyme-Less Electrochemical Biosensor For Creatinine Detection, Anas Belharsa
Nanofabrication And Characterization Of An Enzyme-Less Electrochemical Biosensor For Creatinine Detection, Anas Belharsa
Electronic Theses and Dissertations, 2020-
This study will reveal the fabrication and development of an enzyme-less biosensor for creatinine detection. The biosensor involves a periodically patterned nano-porous TiO2 deposited with Au nanoparticles via e-beam evaporation and a layer of Imprinted Polymer (IP) of acrylamide and bis-acrylamide to obtain a heterostructure of I-Au-TiO2. The detection methods of creatinine are based on electrochemical measurements using Cyclic Voltammetry (CV), Electrochemical Impedance Spectroscopy (EIS) and Differential Pulse Voltammetry (DPV). The IP-Au-TiO2 sensor shows a detection LOD of 0.0949ng/mL and 0. 0.218ng/mL for EIS and DPV measurements, respectively. The nanofabricated biosensor was tested in the presents of urea, glucose, lactose, …
Tunable Few- To Many-Cycle Source For High-Order Harmonic Generation And Time-Resolved Spectroscopy, John Beetar
Tunable Few- To Many-Cycle Source For High-Order Harmonic Generation And Time-Resolved Spectroscopy, John Beetar
Electronic Theses and Dissertations, 2020-
The temporal confinement of laser light pulses to durations approaching the optical period, and the subsequent conversion of these pulses into extreme ultraviolet and x-ray wavelengths through the process of high-order harmonic generation (HHG), has enabled measurement and control of ultrafast processes spanning picosecond to attosecond timescales. Typically achieved by nonlinear compression of multi-cycle pulses in gas-filled hollow-core fibers, compression to single-and even sub-cycle durations is now becoming routine due to the availability of state-of-the-art Ti:sapphire laser amplifiers outputting millijoule level pulses with pulse durations below ten cycles. Even so, reliance on mJ-level Ti:sapphire lasers has in most cases limited …
Social Connectedness And College Student Alcohol Use: Understanding The Role Of Alcohol Expectancies, Social Anxiety, And Need To Belong, Mark Crisafulli
Social Connectedness And College Student Alcohol Use: Understanding The Role Of Alcohol Expectancies, Social Anxiety, And Need To Belong, Mark Crisafulli
Electronic Theses and Dissertations, 2020-
Despite recent decreases in college alcohol use, alcohol related harms continue to occur at high rates and currently available interventions do not work as well as previously thought. Research has found sociability expectancies to be particularly important in predicting risky alcohol use, and expectancy challenge programs that target these expectancies can be effective in reducing heavy drinking. Little is known, however, about how other social variables might contribute to the influence of expectancies in promoting alcohol use. The current study used structural equation modeling to test models of alcohol use examining how need to belong and social connectedness fit into …
Production And Elastomer Compatibility Of Renewable Fuels, Alan Felix
Production And Elastomer Compatibility Of Renewable Fuels, Alan Felix
Electronic Theses and Dissertations, 2020-
Hydrocarbon fuel plays an essential role in modern day society and significant research effort is put forth for fuel characterization, performance optimization, and new procedures for synthesis. Despite the eventual and inevitable shift away from hydrocarbon fossil fuels to more renewable energies, investigations into liquid hydrocarbons remain useful while governments slowly adopt and integrate alternative energies. Many hydrocarbon fuel alternatives can potentially bridge the gap between today's heavy reliance on fossil fuels and future complete adaptation of clean energy. One such alternative is biofuel, which is still hydrocarbon based but is made from bio-materials, most notably plants. Widespread use of …
Examining Graduate Student Perspectives And Use Of Web Resources And Tools For Academic Support, Kelly Grieneisen Tillotson
Examining Graduate Student Perspectives And Use Of Web Resources And Tools For Academic Support, Kelly Grieneisen Tillotson
Electronic Theses and Dissertations, 2020-
This mixed methods study was conducted to examine University of Central Florida (UCF) graduate student use and perceptions of usefulness of Web resources and tools that may support academic work, research, and academic goals. The frameworks of Connectivism and Personal Learning Networks (PLN) were used as a foundation to support the importance of Web resources and tools in relation to student learning, academic support, and progression. Qualitative and quantitative data was collected from active UCF graduate students using an electronic survey, with 998 participants completing the survey. Data analysis was conducted using an ANOVA one-way test to compare program mode …
Rethinking Burnout In Informal Caregivers: Development And Validation Of The Informal Caregiver Burnout Inventory - 10 Item Form, Nicholas James
Rethinking Burnout In Informal Caregivers: Development And Validation Of The Informal Caregiver Burnout Inventory - 10 Item Form, Nicholas James
Electronic Theses and Dissertations, 2020-
Measurement of informal caregiver burnout is typically achieved by re-purposing scales of occupational burnout. Such approaches have several methodological and theoretical weaknesses. This paper proposes a new tool for measuring caregiver burnout: The Informal Caregiver Burnout Inventory (ICBI). In the first portion of this study, focused feedback was collected from within-field experts and caregivers. Following item revision, an online sample of informal US caregivers of an individual with dementia was collected. Item Response Theory analysis was used to prune low-information or low-consistency items from the scale. The finalized ICBI contained 10 items and showed strong convergent validity, adequately differentiated burnout …