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Differences In Nutrition And Eating Patterns Between Youth With Autism Spectrum Disorder And Neurotypical Youth, Mariam Spieler Tahech Jan 2022

Differences In Nutrition And Eating Patterns Between Youth With Autism Spectrum Disorder And Neurotypical Youth, Mariam Spieler Tahech

Honors Undergraduate Theses

Background: Autism Spectrum Disorder (ASD) is a developmental disorder characterized by difficulties with communication, problems with social interactions, and repetitive patterns. A greater proportion of children with ASD tend to experience nutritional difficulties and feeding issues compared to neurotypical (NT) children; however, limited research has been examined that compares nutritional behaviors between children with ASD and NT youth. Purpose: The purpose of this study was to examine the differences in gastrointestinal issues, weight concerns, and mealtime behaviors in youth with ASD and NT youth. Data was utilized from the 2019 National Survey of Children’s Health which consisted of items related …

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The Early Propagation And Burning Of Hydrogen In The Process Of The Deflagration To Detonation Transition, Rom Amasay Jan 2022

The Early Propagation And Burning Of Hydrogen In The Process Of The Deflagration To Detonation Transition, Rom Amasay

Honors Undergraduate Theses

The safe and efficient propagation of the Deflagration to Detonation Transition (DDT) is a topic that has been researched for many years due to its applications in Aerospace and Mechanical Engineering. DDT is when fire caused by the burning of fuel is accelerated to the upper CJ point on the Rankine Hugoniot curve due to instabilities in the flame and the turbulence caused by these instabilities. The complex flame dynamics that go along with DDT have ensured that the process is yet to be fully understood and defined. This research will work towards observing the early stages of burning hydrogen-air …

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The Mediating Effect Of Surface Acting On Mistreatment-Exhaustion And Mistreatment-Sabotage Relationships, Jiani Fan Jan 2022

The Mediating Effect Of Surface Acting On Mistreatment-Exhaustion And Mistreatment-Sabotage Relationships, Jiani Fan

Honors Undergraduate Theses

Although ample research has been conducted to explore employee emotional labor and customer incivility at the workplace, there is limited literature examining the role of surface acting in the stressor-strain relationships associated with customer incivility. The current study focuses on the mediating effect of surface acting between customer mistreatment-emotional exhaustion and customer mistreatment-service sabotage relationships. Based on several theoretical models regarding mental and emotional resources, including the Conservation of Resources Theory and Ego Depletion Theory, it is hypothesized that a significant mediating effect of surface acting can be identified in the customer mistreatment-emotional exhaustion and customer mistreatment-service sabotage relationships. A …

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Examination Of Patient-Physician Relationship Among College Students, Archi Patel Jan 2022

Examination Of Patient-Physician Relationship Among College Students, Archi Patel

Honors Undergraduate Theses

The patient-physician relationship is established when a doctor provides care for their patient. This interpersonal interaction consists of perspectives on health issues, treatment plans, confidentiality, and support. Trust is also a component of the patient-physician relationship. Existing findings show that patient-physician trust is critical for achieving compliance and higher satisfaction rates with medical care (Cohen, 2002). Previous studies have investigated the physician's emotional intelligence as a factor in patient-physician trust, as well as the health locus of control on outlook, religious viewpoints on patient outcomes, and vulnerable attachment styles on the patient trust of the patients in determining the patient-physician …

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Fetishization Of Asian American Women: A Discourse Analysis On The Media Portrayal Of The Victims Of The 2021 Atlanta Spa Shootings, Caitlyn Pham Jan 2022

Fetishization Of Asian American Women: A Discourse Analysis On The Media Portrayal Of The Victims Of The 2021 Atlanta Spa Shootings, Caitlyn Pham

Honors Undergraduate Theses

Asian American women have an intersectional identity that creates unique experiences, including discrimination and violence with a history of fetishization. In 2021, eight people were shot and killed in three spas in Atlanta, Georgia. Seven of the eight victims were women, six of whom were of Asian descent. While the shooter stated his actions were the results of sex addiction, and not racially motivated, the shootings occurred during a rise in attacks against Asian Americans amid the Coronavirus Disease 2019 (COVID-19) Pandemic. The Atlanta Spa Shootings provide a unique case where we can apply an intersectional lens to determine how …

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Seasonality And Lanscape Management In The Bolivian Amazon: Landsat Imagery Analysis Of The Quinato Wetland, Jackie Beery Jan 2022

Seasonality And Lanscape Management In The Bolivian Amazon: Landsat Imagery Analysis Of The Quinato Wetland, Jackie Beery

Honors Undergraduate Theses

The Quinato wetland, a remnant of a Pleistocene river course through northeastern Bolivia, has undoubtedly been the site of human landscape modification and domestication by pre-Columbian peoples. A 2021 study suggests that these modification practices, which have been tied to seasonal adaptation, were quite different between areas of the wetland. In response to these findings, the present study uses unsupervised classifications from the 50-year span of existent Landsat satellite imagery data, dating from 1972 to 2022, to create a chronological profile of the wetland. This record allows for the assessment of how yearly, seasonal changes to wetland growth and shrinkage …

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Photocatalytic Hydrogen Production Over Boron Rich Solids, Emma E. Blanco Jan 2022

Photocatalytic Hydrogen Production Over Boron Rich Solids, Emma E. Blanco

Honors Undergraduate Theses

The greenhouse emission produced from the combustion of fossil fuels, such as methane (CH4­) and carbon dioxide (CO2), are linked to global warming crisis because of their ability to absorb heat emitted to space by the Earth’s atmosphere. Over the last century, methane is estimated to have the Global Warming Potential (GWP) estimated to be 28-36 times larger than carbon dioxide. Although it is released in smaller quantities, methane traps nearly 90 times more heat than CO2. While recent research efforts has focused on the capture and conversion of CO2, these efforts …

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The Relationship Between Inflammatory Diet Score And Cancer Outcomes: Systematic Review And Meta-Analysis, Eric Han Jan 2022

The Relationship Between Inflammatory Diet Score And Cancer Outcomes: Systematic Review And Meta-Analysis, Eric Han

Honors Undergraduate Theses

Cancer remains one of the most prevalent diseases in the United States and a leading cause of death. Large prospective studies have found significant correlations between dietary intake and cancer. Chronic inflammation promotes pro-cancer inflammatory environments promoting the formation and growth of tumors while preventing effective anti-tumor responses. Nutrition can impact inflammation, with the intake of certain food items increasing biomarkers for systemic inflammation thus, the objective of this research was to explore the relationship between inflammatory diet score measured by the Dietary Inflammatory index and all-cause mortality, cancer-specific mortality, and cancer recurrence among cancer survivors. Web of Science, Medline, …

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An Examination Of Lung Cancer Treatment Characteristics On Lung Cancer Patients With Co-Existing Heart Disease, Elias Rhanime Jan 2022

An Examination Of Lung Cancer Treatment Characteristics On Lung Cancer Patients With Co-Existing Heart Disease, Elias Rhanime

Honors Undergraduate Theses

With the rising rates of heart disease incidents in the United States and the increase in lung cancer deaths as well, many individuals suffer and get their treatments compromised due to these diseases. Especially considering that many lung cancer and heart disease patients are over 70 years of age, treatment options and success rates drop significantly. Due to this, a great concern is raised for patients with co-existing heart disease and lung cancer. This was a case-control study that assessed lung cancer treatment options and success rates for patients with co-existing heart disease. We used research papers that discussed lung …

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Atomization Of A Liquid Water Jet In Crossflow At Varying Hot Temperatures For High-Speed Engine And Stratospheric Aerosol Injection Applications, Luke Caetano Jan 2022

Atomization Of A Liquid Water Jet In Crossflow At Varying Hot Temperatures For High-Speed Engine And Stratospheric Aerosol Injection Applications, Luke Caetano

Honors Undergraduate Theses

This paper aims to study how varying crossflow burning temperatures from 1100 C to 1800 C affect the liquid droplet breakup, size distribution, and atomization of a liquid water jet injected into a vitiated crossflow. The LJIC injection mechanism was implemented using the high-pressure axially staged combustion facility at the University of Central Florida. The measurement devices used to gather particle data from the exhaust plume were the TSI Aerodynamic Particle Sizer (APS), which measures particles between 0.523 µm and 20 µm, and the Sensirion SPS30 (SPS30), which measures particles between 0.3 µm and 10 µm. Both measurement devices were …

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Intrinsically Mode Reconfigurable Load Modulation Balanced Amplifier Leveraging Transistor's Analog-Digital Duality, Niteesh Bharadwaj Vangipurapu Jan 2022

Intrinsically Mode Reconfigurable Load Modulation Balanced Amplifier Leveraging Transistor's Analog-Digital Duality, Niteesh Bharadwaj Vangipurapu

Electronic Theses and Dissertations, 2020-2023

The communication schemes have rapidly changed the face of the human means of communication. The evolution from one generation to another has triggered many challenges on the design methodologies of RF designers. As the evolution ensued, the spectrally efficient modulation schemes have resulted in the substantial rise of PAPR, the peak-to-average power ratio. To enable the efficient amplification of the high PAPR signals, this thesis explores the areas of Load modulated Balanced amplifiers that can be inherently reconfigured to achieve a better efficiency than the conventional RF power amplifiers that see a significant drop in the efficiency as the signal …

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Static Analysis Of The Build System To Accelerate Continuous Testing Of Highly Configurable Software, Necip Fazil Yildiran Jan 2022

Static Analysis Of The Build System To Accelerate Continuous Testing Of Highly Configurable Software, Necip Fazil Yildiran

Electronic Theses and Dissertations, 2020-2023

Continuous testing is widely used for facilitating fast and reliable software delivery. However, build-time configurability makes such testing harder for configurable software. As configurable software forms the basis of much of our computing infrastructure, there is even more need for better continuous testing for configurable software. In this dissertation, our goal is to improve the quality of configurable software. To this end, we tackle two, previously unsolved problems. The build system of configurable software is one of the biggest reasons why testing configurable software is hard. Therefore, in our solutions, we deal with the build system by using a comprehensive …

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Autoignition Delay Time Measurements And Chemical Kinetic Modeling Of Hydrogen/Ammonia/Natural Gas Mixtures, Jessica Baker Jan 2022

Autoignition Delay Time Measurements And Chemical Kinetic Modeling Of Hydrogen/Ammonia/Natural Gas Mixtures, Jessica Baker

Electronic Theses and Dissertations, 2020-2023

In recent years, hydrogen-carrying compounds have accrued interest as an alternative to traditional fossil fuels due to their function as zero-emission fuels. As such, there is interest in investigating hydrogen-carrying compounds to improve understanding of the fuels' characteristics for use in high pressure systems. In the current study, the oxidation of ammonia/natural gas/hydrogen mixtures was carried out to study CO formation profiles as well as the ignition delay times behind reflected shock waves in order to refine chemical kinetic models. Experiments were carried out in the University of Central Florida's shock tube facility by utilizing chemiluminescence to obtain OH* emission …

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Broadband Power Amplifier Design With High Power, High Efficiency And Large Back-Off Range, Yuchen Cao Jan 2022

Broadband Power Amplifier Design With High Power, High Efficiency And Large Back-Off Range, Yuchen Cao

Electronic Theses and Dissertations, 2020-2023

As modern communication system technology develops, the demand for devices with smaller size, higher efficiency, and larger bandwidth has increased dramatically. To achieve this purpose, a novel architecture of load modulated balanced amplifier (LMBA) with a unique load-modulation characteristic different from any existing LMBAs and Doherty power amplifiers (DPAs) was presented, which is named as Pseudo-Doherty LMBA (PD-LMBA). Based on a special combination of control amplifier (carrier) and balanced amplifier (peaking) together with proper phase and amplitude controls, an optimal load-modulation behavior can be achieved for PD-LMBA leading to maximized efficiency over extended power back-off range. More importantly, the efficiency …

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Analysis Of Shear Failure In Ultra-High Performance Concrete Beams, Kevin Conway Jan 2022

Analysis Of Shear Failure In Ultra-High Performance Concrete Beams, Kevin Conway

Electronic Theses and Dissertations, 2020-2023

Ultra-high performance concrete (UHPC) is an emerging cementitious material type currently undergoing research in different structural applications. This material is characterized by a compressive strength of 150 MPa (22 ksi), according to the Association Francaise de Genie Civil and the Federal Highway Administration, high tension strength, and high durability. Additionally, UHPC consists of secondary reinforcement in the form of steel or polymeric fibers, which enable UHPC to exhibit tension hardening behavior and tension ductility previously ignored in conventional concrete mixes. Previous research has focused on applications in the transportation and bridge design industries; however, applications in buildings and other heavy …

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Evaluating Fatal Overdose Deaths In Orange County Florida From 2019-2021, Brian Hall Jan 2022

Evaluating Fatal Overdose Deaths In Orange County Florida From 2019-2021, Brian Hall

Electronic Theses and Dissertations, 2020-2023

This study sought to investigate fatal overdoses in Orange County, Florida during the years of 2019, 2020, and 2021. Data for this project was provided by the Orange County Medical Examiner's office. Each overdose death was coded for age, sex, race, and cause of death. The purpose of the study is to identify trends to inform policy reform. The results reveal that fentanyl overdose deaths are continuing to rise as heroin overdose deaths decrease. Additionally, there is greater upward trends in polysubstance opioid overdose deaths as compared to non-opioid polysubstance overdose deaths. Ultimately, a specific type of overdose death cannot …

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Shock Tube And Gas Dynamic Design Considerations And Implementation For Extended Test Times, Jacklyn Higgs Jan 2022

Shock Tube And Gas Dynamic Design Considerations And Implementation For Extended Test Times, Jacklyn Higgs

Electronic Theses and Dissertations, 2020-2023

A new shock tube test section has been designed and manufactured for the purpose of increasing the test time and expanding the applications of the shock tube for a multitude of ongoing and future projects. One purpose for the test section extension is to allow for flow visualization of droplets impacted by a shock wave for the interaction of hypersonic vehicles and atmospheric disturbances. Another purpose is to measure behind the incident shock to capture the chemical kinetics for a high-altitude environment and low-pressure, high-temperature space applications. This new test section contains 24 round optical ports for laser spectroscopy for …

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The Element Of Cognates And Its Impact On Second Language Learners, Azimeh Kazemian Jan 2022

The Element Of Cognates And Its Impact On Second Language Learners, Azimeh Kazemian

Electronic Theses and Dissertations, 2020-2023

There are different factors associated with learning a second language such as English. Among the factors including motivation and socioeconomic is the element of cognates that may impact second language acquisition. Through exploring multiple studies, this secondary research paper aims to examine the impact of cognates on language acquisition among different participants with different language backgrounds. Through different research methodologies, the findings of each published study revealed that students whose mother tongues do share cognates with their second language have an advantage over speakers of languages that do not share cognates with a second language such as English. On the …

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When Doubt Comes In: Framing Of Sexual Trauma Experiences In R/Sexualassault, Alison Kubala Jan 2022

When Doubt Comes In: Framing Of Sexual Trauma Experiences In R/Sexualassault, Alison Kubala

Electronic Theses and Dissertations, 2020-2023

At age 23 I began acknowledging and healing from my experiences with sexual trauma. Although my trauma occurred from ages twelve to eighteen, my doubt and preconceived notions about what abuse was kept me from believing that I deserved help. Due to an incessant belief that abuse looked one particular way, I found ways to minimize and frame my experiences as "not abuse". Fueled by encouragement from my therapist and my interest in Communication research, I began to wonder how others who experience shame and doubt surrounding sexual abuse frame their experiences. To better understand, I conducted a critical discourse …

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Reporter Chondrocyte Optimization Of Bioinks For Zonal 3d Bioprinting Of Cartilage, Kari Martyniak Jan 2022

Reporter Chondrocyte Optimization Of Bioinks For Zonal 3d Bioprinting Of Cartilage, Kari Martyniak

Electronic Theses and Dissertations, 2020-2023

Osteoarthritis (OA) is the most common form of arthritis, often thought of as a disease of the elderly, but post traumatic OA predominantly impacts younger individuals. Articular cartilage is the tissue that coats the end of your bones in synovial joints. Since cartilage has limited healing capacity, defects, or injuries to it progressively erodes down to the subchondral bone. Unfortunately, current treatment options all have limitations, particularly for younger patients. Cartilage has a specific zonal architecture that is distinguished by the different cell morphologies and arrangements, biochemical composition, and mechanical properties. 3D bioprinting is a tissue engineering technique that involves …

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Prediction And Validation Of Residual Stresses In Additively Manufactured Metal Parts, Jose Mayi Rivas Jan 2022

Prediction And Validation Of Residual Stresses In Additively Manufactured Metal Parts, Jose Mayi Rivas

Electronic Theses and Dissertations, 2020-2023

Selective Laser Melted (SLM) Additively Manufactured (AM) metal parts are of special interest to many industries because their designs can be made arbitrarily complex while still maintaining bulk type mechanical properties. However, the large thermal gradients inherent to the SLM process generate residual stresses (RS) and distortions that are detrimental to the fit, functionality and integrity of parts. Predicting the state of stresses in as-built 3D printed parts is a difficult problem that currently has only been approached with the use of transient thermomechanical Finite Element Models (FEMs). The nonlinearities associated with AM processes are difficult to capture in these …

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Exploring Preservice Teachers' Development Of Collective Mathematics Identity Through Community Building, Paula Santana De Tice Jan 2022

Exploring Preservice Teachers' Development Of Collective Mathematics Identity Through Community Building, Paula Santana De Tice

Electronic Theses and Dissertations, 2020-2023

In recent years, attention to equity and inclusion has rightfully become an essential focus in mathematics education. Given the social nature of mathematics, collaborative learning is one of the instructional strategies with the greatest potential for developing conceptual learning and creative problem-solving, and when facilitated well, has the potential to minimize racial and social biases. However, although the expected outcome of student collaboration is a collective mathematical agency, studies show that for this to happen, it is first necessary to develop among students Collective Mathematics Identity, which are beliefs and dispositions developed by a group of students about their collective …

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Investigating The Effect Of Cmas Infiltration On Residual Stress Of High Temperature Ceramic Coatings For Turbine Engines Using 3d Confocal Raman Spectroscopy, Zachary Stein Jan 2022

Investigating The Effect Of Cmas Infiltration On Residual Stress Of High Temperature Ceramic Coatings For Turbine Engines Using 3d Confocal Raman Spectroscopy, Zachary Stein

Electronic Theses and Dissertations, 2020-2023

Calcium-magnesium-aluminosilicates (CMAS), such as sand or volcanic ash, are ingested by aircraft jet engines during operation. CMAS then becomes molten while traveling through the combustor of the engine before depositing onto turbine blades within the turbine section of the engine. The molten CMAS melt infiltrates and interacts with the high temperature ceramic coated turbine blades. This infiltration increases coating stiffness and promotes coating phase destabilization, encouraging micro-crack formation and increasing the risk of spallation. Thermomechanical effects from CMAS infiltration were mapped over time with confocal Raman spectroscopy. The residual stresses within infiltrated 7YSZ EB-PVD coatings were captured with microscale resolution. …

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The Impact Of A Growth Mindset Intervention On Growth Mindset, Self-Efficacy, & Learning Behaviors Of Adult Esol Learners At A Technical College, Wei-Chun Stiskin Jan 2022

The Impact Of A Growth Mindset Intervention On Growth Mindset, Self-Efficacy, & Learning Behaviors Of Adult Esol Learners At A Technical College, Wei-Chun Stiskin

Electronic Theses and Dissertations, 2020-2023

The purpose of this mixed study was to determine the impact of a growth mindset intervention on adult ESOL learners' growth mindset, self-efficacy, and learning behaviors at a technical college. This study adopted paired samples t test to analyze quantitative component part of the study, including pre and post Growth Mindset Surveys and Self-Efficacy Surveys. For the qualitative component of the study, participants' interview responses were recorded and analyzed to explore their perspectives on the quantitative part of the study. Quantitatively, the findings of the study showed that there was no significant difference between growth mindset intervention and adult ESOL …

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Examining The Relationship Between Six Sigma Failures And The Utilization Of Cost Engineering Approaches, Dennis Tribby Jan 2022

Examining The Relationship Between Six Sigma Failures And The Utilization Of Cost Engineering Approaches, Dennis Tribby

Electronic Theses and Dissertations, 2020-2023

The purpose of the quantitative non-experimental research study is to analyze the relationship between the impact of using cost engineering approaches and the success rate of Six Sigma projects in the manufacturing industry. This study focuses on the relationship between Six Sigma project failures and whether skilled cost engineering professionals, methods or a cost management system was used to ensure that accurate cost data was utilized during the design project's lifecycle. Many companies using Six Sigma and related methodologies for product design have implemented with great success yet there are studies indicating that only 13% of firms reported achieving their …

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Testing The Influence Of Water Depth In Design Of Created Oyster Reef For Living Shoreline Applications, Peter Vien Jan 2022

Testing The Influence Of Water Depth In Design Of Created Oyster Reef For Living Shoreline Applications, Peter Vien

Electronic Theses and Dissertations, 2020-2023

Living shoreline stabilization has become a popular practice in shoreline restoration and bank protection; however, there are still many uncertainties regarding effective site design using living materials. For example, natural wave-breaks may be formed of created reefs, but the optimum water depth for hydrodynamic influence may differ from the preferred depth to ensure organism recruitment. The objective of this research is to understand how water depth relative to the crest of submerged artificial oyster reef structures influences nearshore hydrodynamic processes and sediment transport or retention in nearshore areas. A field study, sited in a microtidal estuary on the Atlantic coast …

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A Deep Learning Approach For Spatiotemporal-Data-Driven Traffic State Estimation, Amr Hatem Ragaa Abdelraouf Jan 2022

A Deep Learning Approach For Spatiotemporal-Data-Driven Traffic State Estimation, Amr Hatem Ragaa Abdelraouf

Electronic Theses and Dissertations, 2020-2023

The past decade witnessed rapid developments in traffic data sensing technologies in the form of roadside detector hardware, vehicle on-board units, and pedestrian wearable devices. The growing magnitude and complexity of the available traffic data has fueled the demand for data-driven models that can handle large scale inputs. In the recent past, deep-learning-powered algorithms have become the state-of-the-art for various data-driven applications. In this research, three applications of deep learning algorithms for traffic state estimation were investigated. Firstly, network-wide traffic parameters estimation was explored. An attention-based multi-encoder-decoder (Att-MED) neural network architecture was proposed and trained to predict freeway traffic speed …

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A Social Ecological Approach Towards Empowering Foster Youth To Be Safer Online, Karla Badillo-Urquiola Jan 2022

A Social Ecological Approach Towards Empowering Foster Youth To Be Safer Online, Karla Badillo-Urquiola

Electronic Theses and Dissertations, 2020-2023

Teens in foster care are some of the most vulnerable youth to encounter serious offline risks, such as sex trafficking. Research shows that children who are vulnerable offline are more likely to be vulnerable online. Therefore, it is important to understand how the internet plays a role in how foster youth are exposed to these risks, so that we may develop effective interventions that empower foster youth against becoming victims of these online risks. A comprehensive review of the literature (Chapter 2) emphasized the unique sets of characteristics and challenges of foster youth that create substantial nuance and require a …

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Reading And Writing For High School Students' Writing Identity Construction, Marie Gentile Jan 2022

Reading And Writing For High School Students' Writing Identity Construction, Marie Gentile

Electronic Theses and Dissertations, 2020-2023

This research case study was conducted to determine how, if at all, the purposeful pairing of reading and writing activities helped students construct a writer's identity. As reading and writing are both skills separately taught, it is useful to explore the outcomes when pairing them together. This research study addresses how students can transact with texts, build upon their own ideas through a sociocultural lens, to create written products that will foster their identity as a writer. This case study relies on pattern matching to examine the extent to which students from an honors level junior English course perceived themselves …

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Studying The Electrostatic Effects On The Dynamics Of Charged Lunar Dust Via Discrete Element Method, Hao Wang Jan 2022

Studying The Electrostatic Effects On The Dynamics Of Charged Lunar Dust Via Discrete Element Method, Hao Wang

Electronic Theses and Dissertations, 2020-2023

Dust problems raise significant concerns in planetary surface exploration. The unusual behavior of the dust particles that surround the vehicle after engine cutoff has the potential to have more of an influence on surface systems than the high velocity lunar rocket plume ejecta in the landing process. A prevailing hypothesis attributes the levitation and transport of dust particles on the surface of airless bodies to the electrostatic effects and electric field. However, there is no accurate model considering the inter-particle electrostatic interactions, especially when the particles are charged by plume. This dissertation aims to understand the behavior of charged lunar …

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