Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

University of Central Florida

Discipline
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 1801 - 1830 of 27580

Full-Text Articles in Entire DC Network

Observation Of Gapless Nodal-Lines In A Rare-Earth-Based Compound, Robert Smith Jan 2023

Observation Of Gapless Nodal-Lines In A Rare-Earth-Based Compound, Robert Smith

Honors Undergraduate Theses

This thesis aims to contribute to the understanding of quantum materials by employing a combination of experimental techniques, such as angle-resolved photoemission spectroscopy and magnetic and transport measurements. Further collaborative support in the form of first-principles calculations is included and discussed in tandem. In this thesis, a lanthanide-based semimetal of the ZrSiS type, is investigated. Multiple nodal lines which remain gapless are observed along the X-R direction of the Brillouin zone. We also present a nodal line that is observed further below the Fermi level and aligned in the G-M direction; this nodal line appears to be sensitive to light …


Soft Skills In Stem, Mariana Sorroza Aguilar Jan 2023

Soft Skills In Stem, Mariana Sorroza Aguilar

Honors Undergraduate Theses

Those working in science, technology, engineering, and math (STEM) fields are delivering world-changing solutions to the problems we face and are saving lives every day. Some of them do surgeries, some design airplanes and cars, others study the wildlife around us, and others create processes to facilitate the manufacturing of devices we use often. In order to do this, the engineers, scientists, doctors, and other professionals in STEM disciplines need to possess hard skills. Hard skills are often called technical skills and are measurable abilities and skills that are needed to perform tasks effectively. The tasks done share something in …


Does The Health Literacy Of Spanish Speakers Impact Their Vaccination Decisions?: A Literature Review Of Related Research, Kelly Tran Jan 2023

Does The Health Literacy Of Spanish Speakers Impact Their Vaccination Decisions?: A Literature Review Of Related Research, Kelly Tran

Honors Undergraduate Theses

Background: The Hispanic community has historically faced high rates of vaccine hesitancy when compared to their non-Hispanic white counterparts. This not only poses a threat to their individual health, but also to their community. In a population that is disproportionately affected by COVID-19 infections, it is critical to address vaccine uptake concerns to control the pandemic and prevent future spread of infections.

Objective: This study aims to explore Spanish speakers' vaccination decisions and to explore whether improving health literacy would be an effective approach in increasing vaccination rates. The secondary objective is to describe the role of physicians in decreasing …


The Efficacy Of Treatment Of Symptoms Of Polycystic Ovarian Syndrome And Associated Health Risks Using Insulin Sensitizers: A Meta-Analysis, Isabella J. Wong Jan 2023

The Efficacy Of Treatment Of Symptoms Of Polycystic Ovarian Syndrome And Associated Health Risks Using Insulin Sensitizers: A Meta-Analysis, Isabella J. Wong

Honors Undergraduate Theses

Polycystic Ovarian Syndrome (PCOS) is common among women of reproductive age (ages 15-49), and it can put patients at higher risk for diseases such as type II diabetes or coronary heart disease. While the mechanisms behind PCOS are poorly understood, it is diagnosed using two characteristics: hyperandrogenism and anovulation. Once diagnosed, many patients are also tested for insulin resistance (IR). While IR is thought of as a symptom of PCOS, this study will examine the effects of treatment of IR to manage symptoms of PCOS rather than treatment of hyperandrogenism. This meta-analysis used data from studies previously published by searching …


The Impact Of Student-Led Lactation Education On Self-Efficacy In Clinical Simulation: An Integrative Literature Review, Kaitlyn Flores Yu Jan 2023

The Impact Of Student-Led Lactation Education On Self-Efficacy In Clinical Simulation: An Integrative Literature Review, Kaitlyn Flores Yu

Honors Undergraduate Theses

Simulation is a critical component of nursing education. It provides a safe environment to practice and evaluate skills, supplements clinical hours, and removes barriers to a well-rounded education. Nurses are expected to be educators as part of our scope of practice, and simulation can facilitate this. One topic of nursing importance is lactation education, as breastfeeding has been shown to have multiple benefits for both mother and baby. National rates of exclusive breastfeeding for the first 6 months do not currently meet CDC recommendations. The pedagogy known as the Protégé Effect suggests that learning can be improved through teaching. Breastfeeding …


The Effects Of Psychiatric And Physical Cannabis Use Motivational Categories On The Development Of Cannabis Use Disorder, Kassidy B. Jacques Jan 2023

The Effects Of Psychiatric And Physical Cannabis Use Motivational Categories On The Development Of Cannabis Use Disorder, Kassidy B. Jacques

Honors Undergraduate Theses

The legalization of cannabis is increasing across the United States, for both recreational and medical use. This has resulted in a change in public opinion regarding the risks of cannabis use. This is particularly true for the current generation of older adults, which experiences a greater prevalence of cannabis use than previous members of this cohort. Due to decreased perception of risk and medical or emotional issues associated with old age, older adults increasingly use cannabis to cope with their psychiatric and medical symptoms. Current studies provide evidence of an association between using cannabis for medical symptoms and the development …


Sexual Violence, Identity Centrality, And Mental Health Among Racial And Sexual Minoritized Individuals: An Application Of Cultural Betrayal Trauma Theory, Brettland D. Coolidge Jan 2023

Sexual Violence, Identity Centrality, And Mental Health Among Racial And Sexual Minoritized Individuals: An Application Of Cultural Betrayal Trauma Theory, Brettland D. Coolidge

Honors Undergraduate Theses

Sexual violence (SV) is a pressing concern in the United States. SV (i.e., unwanted sexual contact, coercion, and wanted or unwanted penetration of another). Individuals with minoritized sexual, racial/ethnic, and gender identities experience worse psychosocial outcomes than their majority counterparts. People with multiple marginalized identities have been shown to experience traumatic events at greater rates and with significantly different outcomes compared to those with one minoritized identity. Cultural betrayal trauma theory proposes that these differences in mental health outcomes may be explained in part by a shared cultural identity between a SV perpetrator and victim, which is posited to exacerbate …


Associations Between Perfectionism, Self-Discrepancy, And Loss Of Control Eating, Dalaia Hernandez Jan 2023

Associations Between Perfectionism, Self-Discrepancy, And Loss Of Control Eating, Dalaia Hernandez

Honors Undergraduate Theses

OBJECTIVE: Research has shown a clear relationship between perfectionism and other pathology including eating disorders, typically restrictive and purging disorders such as Anorexia Nervosa and Bulimia Nervosa. However, the relationship between perfectionism and loss of control eating disorder had not been explored. Similarly, we suspect there to be a relationship between perfectionism and self-discrepancy, and that shame might be a mediating variable in the relationship between these constructs and loss of control eating. This study investigated the relationship between these three variables to better understand how shame mediates or moderates the relationship between perfectionism, self-discrepancy, and loss of control eating. …


Prevention Of Perineal Tearing During Childbirth: A Literature Review, Victoria Manzo Jan 2023

Prevention Of Perineal Tearing During Childbirth: A Literature Review, Victoria Manzo

Honors Undergraduate Theses

Perineal lacerations can be caused by a variety of risk factors such as a large fetal head circumference, birthing positions that place strain on the sacrum, and first-time births. Preventing perineal tears can be challenging for laboring women. Exploring the possible prevention methods to decrease the severity of perineal tearing or preventing it altogether can be beneficial for laboring women's physical and mental health. The primary purpose of this literature review was to examine which interventions are most likely to prevent perineal tearing during childbirth. The secondary purpose was to evaluate natural perineal tears in comparison to surgical incision, or …


Diet Change Over Time In The Ais Community Of Cape Canaveral, Florida, Allyson Shenkman Jan 2023

Diet Change Over Time In The Ais Community Of Cape Canaveral, Florida, Allyson Shenkman

Honors Undergraduate Theses

Diet change over time is assessed for a Malabar II period (900 C.E. to 1565 C.E.) Ais indigenous community in Cape Canaveral, Florida, at the Penny Plot site (8BR158). To this end, 7,760 faunal fragments were examined, with 1,876 identified at the species, genus, or family level. Through identification and analysis of faunal remains, it can be concluded that, while the amounts of overall remains left behind as a whole increased, there were no significant changes in the types of fauna utilized or patterns of consumption. This suggests that the indigenous people who occupied this site managed their resources very …


The Limitations Of Freedom Of Speech Regarding Academic Freedom: Balancing Constitutional Rights With Humanistic Responsibilities, Andrea Marrero-Bosch Jan 2023

The Limitations Of Freedom Of Speech Regarding Academic Freedom: Balancing Constitutional Rights With Humanistic Responsibilities, Andrea Marrero-Bosch

Honors Undergraduate Theses

The value of free speech is deeply rooted in democratic principles designed to foster a marketplace of ideas where diverse viewpoints thrive and enable accountability and social progress. Simultaneously, academic freedom is essential for the pursuit of knowledge. Yet both must be exercised responsibly. This thesis examines the intricate relationship between free speech, academic freedom, and humanistic concerns like respect, inclusivity, and diversity. By exploring pivotal court cases such as Sweezy v. New Hampshire (1957), Bonnell v. Lorenzo (2001), Axson-Flynn v. Johnson (2004), Tinker v. Des Moines (1969), and Morse v. Frederick (2007), this paper illustrates the delicate balance needed …


The Mental And Dental Repercussions Of Obstructive Sleep Apnea And Its Treatments, Emily E. Mcgoohan Jan 2023

The Mental And Dental Repercussions Of Obstructive Sleep Apnea And Its Treatments, Emily E. Mcgoohan

Honors Undergraduate Theses

The purpose of this study is to examine the relationship between dental and mental health. To dive deeper into seeing this connection, patients with sleep apnea will be asked to share their experiences with the treatments for sleep apnea and how it had affected their mental or dental health.


Propaganda, Criticism, And War: A Study Of Regime Criticism By Propagandists In War, Jack C. Seay Jan 2023

Propaganda, Criticism, And War: A Study Of Regime Criticism By Propagandists In War, Jack C. Seay

Honors Undergraduate Theses

This paper investigates when propagandists criticize their country's war effort, examining instances where propagandists openly criticize the regimes they are expected to support during an armed conflict. This is a unique and relatively unexplored angle on propaganda, differing from widespread research on the range of effects that propaganda has on a target population, the reasons behind using propaganda on a target population, and the methods propagandists use to raise support for a political authority. Understanding when propagandists criticize their country's war effort can mitigate their influence by helping audiences identify when and how propagandists use criticism to their advantage. The …


Investigating Mobility Across The Life Course Through Stable Isotope Analysis At The Early Medieval Site Of Berettyóújfalu Somata, Hungary, Brianna Jayne Muir Jan 2023

Investigating Mobility Across The Life Course Through Stable Isotope Analysis At The Early Medieval Site Of Berettyóújfalu Somata, Hungary, Brianna Jayne Muir

Electronic Theses and Dissertations, 2020-2023

The Migration Period (375 to 568 CE) of Central and Eastern Europe was a tumultuous time politically, culturally, and socially. Historical and archaeological evidence provide support for the large-scale movement of multiple tribes and groups, including the Gepids and Avars, although biogeochemical evidence for mobility is currently limited for these populations. Mobility can impact individual and group health and identity, and has socio-political implications for broader regions involved. As such, identifying the extent and scale of mobility within a given population can provide nuanced insights into multiple aspects of life and society in the past. To investigate mobility in a …


Following Faculty Engaging In Collaborative Action Research To Approach Curricular Change In Undergraduate Biochemistry, Christopher Nix Jan 2023

Following Faculty Engaging In Collaborative Action Research To Approach Curricular Change In Undergraduate Biochemistry, Christopher Nix

Electronic Theses and Dissertations, 2020-2023

This study engaged in a curricular redesign of an undergraduate biochemistry course undertaken by a collaborative action research group. The initial portion of this study investigated student conceptual understanding of foundational concepts via a rigorously tested concept inventory. the impact of the redesign on the student foundational conceptual understanding was determined by comparison with a baseline data set. Findings suggest that students enter and exit the biochemistry course with little understanding of key foundational concepts. Examination of student performance after the incorporation of creative exercises showed a significant impact of the curricular changes on two of the concepts of interest. …


Development Of High Current Electromigration Test System For Evaluation Of Novel Solder Structures, Nicholas Pareis Jan 2023

Development Of High Current Electromigration Test System For Evaluation Of Novel Solder Structures, Nicholas Pareis

Electronic Theses and Dissertations, 2020-2023

Electromigration reliability of ball-grid-array (BGA) solder joints is emerging as a critical area of research for advanced microelectronic devices, especially those with high power requirements. In this study, a novel high current electromigration test system, including a temperature sensing capability, was designed and developed for the purpose of performing electromigration characterization of various BGA solder joint structures, including features designed for reduced current crowding. This study consisted of two main parts: design and development of a novel high current electromigration test system, and using this novel system for electromigration characterization of BGA solder joints. In the first portion of this …


A Conceptual Model For Quality 4.0 Deployment In U.S. Based Manufacturing Firms, Thomas Jones Jan 2023

A Conceptual Model For Quality 4.0 Deployment In U.S. Based Manufacturing Firms, Thomas Jones

Electronic Theses and Dissertations, 2020-2023

Manufacturing is currently undergoing a fourth industrial revolution, referred to as Industry 4.0, enabled by digital technologies and advances in our ability to collect and use data. Quality 4.0 is the application of Industry 4.0 to enhance the quality function within an organization. Quality practitioners are uniquely positioned within organizations and already possess data application skillsets. Despite a perception that Quality 4.0 will be critical to future success shared by a majority of industry, most companies have not attempted to implement Quality 4.0 strategy, and those that have report very low rates of success. The goal of this study was …


Variation In Genetic Structure And Dispersal Of Juvenile Green Turtles, Gustavo Stahelin Jan 2023

Variation In Genetic Structure And Dispersal Of Juvenile Green Turtles, Gustavo Stahelin

Electronic Theses and Dissertations, 2020-2023

Sea turtles are long-lived, globally distributed animals with a complex life-history. Individuals from different populations often share the same foraging areas (mixed stock aggregations). Understanding patterns of dispersal and connectivity between reproductive populations and mixed stock aggregations is fundamental for the development of effective conservation plans. Recently, green sea turtle (Chelonia mydas) populations in several reproductive areas have increased, providing an opportunity to evaluate how demographic changes in reproductive areas impact dispersal to, and the composition of, mixed stock aggregations. In this dissertation, I evaluated how dispersal from reproductive populations in the Greater Caribbean to mixed stock aggregations may have …


Preservice Teacher Intersectional Awareness: A Qualitative Inquiry, Lindsey Pike Jan 2023

Preservice Teacher Intersectional Awareness: A Qualitative Inquiry, Lindsey Pike

Electronic Theses and Dissertations, 2020-2023

The purpose of this dissertation was to investigate the intersectional awareness of preservice general education teachers as experienced through an internship in an urban, Title 1 funded school. Intersectionality Theory (Boveda, 2016; Crenshaw, 1990; Dill & Zambrana, 2009; Jones & Wijeyesinghe, 2011) was used as a theoretical framework to inform this study. A descriptive phenomenological design (Creswell, 2013; Moustakas, 1994) was used to examine preservice teachers' (PSTs)lived experiences within their teacher preparation program courses and internship. Data were collected through individual semi-structured interviews with preservice general education teachers. Data analysis was completed using Colaizzi's (1978) seven-step process as outlined by …


Lived Experience At Plinkaigalis, Lithuania: An Integrated Approach Using Stable Isotope, Spatial, And Statistical Analyses, Alexandria Orozco Jan 2023

Lived Experience At Plinkaigalis, Lithuania: An Integrated Approach Using Stable Isotope, Spatial, And Statistical Analyses, Alexandria Orozco

Electronic Theses and Dissertations, 2020-2023

The Migration period (4th-7th century AD) represents a time of major sociopolitical change, but relatively little is known about this time in Lithuania's history (Bliujien?, 2013; Jankauskas & Kozlovskaya, 1999). The focus of this dissertation is to understand the lived experiences of individuals interred in the Migration Period cemetery at Plinkaigalis, Lithuania, through integrated analyses of stable isotope, statistical and spatial methods to assess 253 human bone/tooth samples. Isotopic analysis included assessments of stable carbon, nitrogen, and oxygen stable isotope values. Statistical analysis included a MANOVA (Multivariate Analysis of Variance) test. Spatial methods included buffers, kernel density, spatial statistics (Moran's …


Design And Simulation Analysis Of A Bipv (Building Integrated With Pv) Air-Duct System For Residential High-Performance Development, Arash Zarmehr Jan 2023

Design And Simulation Analysis Of A Bipv (Building Integrated With Pv) Air-Duct System For Residential High-Performance Development, Arash Zarmehr

Electronic Theses and Dissertations, 2020-2023

A growing number of buildings are integrating building-integrated photovoltaics (BIPV) devices to increase energy efficiency and reduce energy costs. A building's heating and cooling loads are impacted by the thermal resistance of the air duct BIPV because of the change in thermal resistance. Therefore, augmenting the efficiency of (BIPV) devices will benefit many building architectures and mechanical engineering applications. This work introduces a low-cost and low- maintenance air duct system design augmenting BIPV systems. This novel approach increases airflow velocity and decreases air temperature for BIPV, resulting in improved performance for the PV system electricity output, increased PV lifespan due …


Coalition Formation And Beamsteering Optimization For Directional Software-Defined Radios, Sayanta Seth Jan 2023

Coalition Formation And Beamsteering Optimization For Directional Software-Defined Radios, Sayanta Seth

Graduate Thesis and Dissertation 2023-2024

Dynamic Spectrum Access (DSA), also known as Dynamic Spectrum Management, is the method of utilizing a set of spectrum techniques in real time to provide the ability to share wireless channels between Primary (or licensed) users (PUs) and Secondary (or unlicensed) users (SUs). The system is so designed that under normal circumstances, the PUs always get priority, but DSA enables the SUs to use the licensed bands as long as they do not create any interference on the PUs. Hence, the goal of utilizing the spectrum more efficiently can be achieved. Though DSA has been researched extensively as a new …


Low Energy Photon Detection, Tianyi Guo Jan 2023

Low Energy Photon Detection, Tianyi Guo

Graduate Thesis and Dissertation 2023-2024

Detecting long wave infrared (LWIR) light at room temperature has posed a persistent challenge due to the low energy of photons. The pursuit of an affordable, high-performance LWIR camera capable of room temperature detection has spanned several decades. In the realm of contemporary LWIR detectors, they can be broadly classified into two categories: cooled and uncooled detectors. Cooled detectors, such as MCT detectors, excel in terms of high detectivity and fast response times. However, their reliance on cryogenic cooling significantly escalates their cost and restricts their practical applications. In contrast, uncooled detectors, exemplified by microbolometers, are capable of functioning at …


Probing Electron Correlations With First-Principles Calculations Of The High Harmonic Spectrum In Solids, Didarul Alam Jan 2023

Probing Electron Correlations With First-Principles Calculations Of The High Harmonic Spectrum In Solids, Didarul Alam

Graduate Thesis and Dissertation 2023-2024

High harmonic generation (HHG) is an extreme non-linear phenomenon where strong laser fields interact with a medium to produce coherent and high-frequency harmonics of the incident light. It has emerged as a rapidly growing research area in bulk materials since its first observation in ZnO crystals in 2011. Over the past decade, pioneering studies have already been made in understanding the details of the microscopic mechanism behind this phenomenon, like the role of intra- and inter-band transitions, the contribution of the modulus and the phase of the dipole moment to even and odd harmonic peaks, the role of the oscillating …


Optimizing Deep Neural Networks Performance: Efficient Techniques For Training And Inference, Ankit Sharma Jan 2023

Optimizing Deep Neural Networks Performance: Efficient Techniques For Training And Inference, Ankit Sharma

Graduate Thesis and Dissertation 2023-2024

Recent advances in computer vision tasks are mainly due to the success of large deep neural networks. The current state-of-the-art models have high computational costs during inference and suffer from a high memory footprint. Therefore, deploying these large networks on edge devices remains a serious concern. Furthermore, training these over-parameterized networks is computationally expensive and requires a longer training time. Thus, there is a demand to develop techniques that can efficiently reduce training costs and also be able to deploy neural networks on mobile and embedded devices. This dissertation presents practices like designing a lightweight network architecture and increasing network …


Exploring Stakeholder Experiences To Co-Design Policy Alternatives For The Bright Futures Scholarship Program, Sherry Paramore Jan 2023

Exploring Stakeholder Experiences To Co-Design Policy Alternatives For The Bright Futures Scholarship Program, Sherry Paramore

Graduate Thesis and Dissertation 2023-2024

Despite decades of research and promising strategies to ensure educational equity for all students, a significant disparity persists between the racial majority and marginalized students in the United States. Attaining educational equity is a complex problem illustrated by state-funded merit-based scholarships, including the State of Florida Bright Futures Scholarship. Since Florida's merit-based Bright Futures Scholarship Program's (BFSP) inception, the average percentage of black scholarship recipients has been minimal compared to other races. The equitable distribution of scholarship funds is critical to investigate since attaining a post-secondary education advances social mobility consequently breaking the cycle of poverty for lower socioeconomic students …


Inclusion And Interpretation: Examining Difficult History Topics At Eighteenth-Century Historic Sites In Southeastern Pennsylvania, Cassidy Michonski Jan 2023

Inclusion And Interpretation: Examining Difficult History Topics At Eighteenth-Century Historic Sites In Southeastern Pennsylvania, Cassidy Michonski

Graduate Thesis and Dissertation 2023-2024

This thesis explores four distinct eighteenth-century historic sites in southeastern Pennsylvania and how they interpret difficult history topics. Difficult history, the parts of our nation's past that may be uncomfortable to discuss and learn about, should be included in historic site narratives to ensure that all people who lived at these sites are represented. Telling the stories of enslaved people, Indigenous groups, women, and members of the LGBTQ+ community often means addressing difficult topics. Four sites—Elfreth's Alley, Stenton, the Daniel Boone Homestead, and the 1719 Museum—were examined for this study. A review of their staff training and institutional investment in …


The Stench Of Miasma And The Fragrance Of Daffodils: Reconstructing Historical Scentscapes In Mesopotamia, Samantha N. Levy Jan 2023

The Stench Of Miasma And The Fragrance Of Daffodils: Reconstructing Historical Scentscapes In Mesopotamia, Samantha N. Levy

Graduate Thesis and Dissertation 2023-2024

My thesis interrogates the role that the sense of smell plays in the experience of place, arguing that scent has been virtually ignored in public history contexts. The thesis will review the foundational scholarship on the history of the senses and relate the findings of interdisciplinary research that demonstrates how the senses alter one's understanding of the environment and even the formation of memories. This work is relevant to the field of public history since smell can be used to captivate the public in a memorable—and potentially more authentic—engagement with the Mesopotamian past. To address gaps in the present scholarship, …


Physical Properties And Chemical Composition Of Comets, Olga Harrington Jan 2023

Physical Properties And Chemical Composition Of Comets, Olga Harrington

Electronic Theses and Dissertations, 2020-2023

Comets and Centaurs are icy remnants from the formation of the solar system. Analyzing the physical properties of their nuclei and their production rates can serve as powerful tools for tracing primitive solar system material. The four research projects in this dissertation examine these properties in comets and Centaurs. The first project focuses on observations of main belt comet 176P/LINEAR that were obtained with the Kepler space telescope. Optical lightcurves were used to constrain models of the nucleus's spin pole axis, shape and activity level. The second project used millimeter-wavelength spectra from the Arizona Radio Observatory Submillimeter Telescope and infrared …


A Systematic Review Of Cryptocurrencies Use In Cybercrimes, Kieran B D Human Jan 2023

A Systematic Review Of Cryptocurrencies Use In Cybercrimes, Kieran B D Human

Graduate Thesis and Dissertation 2023-2024

Cryptocurrencies are one of the most prominent applications of blockchain systems. While cryptocurrencies promise many features and advantages, such as decentralization, anonymity, and ease of access, those very features can be abused. For instance, as documented in various recent works, cryptocurrencies have been frequently abused in many different forms of cybercrime. Despite the plethora of works on measuring and understanding the abuse of cryptocurrencies in the digital space, there has been no work on systemizing this knowledge by comprehensively understanding those contributions, contrasting them based on their merit, and understanding the gap in this research space.

This thesis initiates the …