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

Digital Commons Network™

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

Theses and Dissertations

Discipline
Institution
Keyword
Publication Year
File Type

Articles 4891 - 4920 of 30884

Full-Text Articles in Entire DC Network

Artificial Intelligence Superteams & Augmentation Strategies: Increasing Performance Of High-Functioning Virtual Team Members Via Human Machine Teaming Enhancements, Eric Lawrence Demirjian May 2023

Artificial Intelligence Superteams & Augmentation Strategies: Increasing Performance Of High-Functioning Virtual Team Members Via Human Machine Teaming Enhancements, Eric Lawrence Demirjian

Theses and Dissertations

Artificial intelligence (AI) can impact future workforce business operations in extraordinary ways through human-machine teaming. A human-machine teaming revolution will unleash enormous change upon businesses by merging humans and AI. For years, scholars and mainstream thought leaders have argued that firms must embrace AI and human-machine teaming to advance employee performance and deliver a high-performance, cost-effective, comprehensive business strategy (Raisamo, Rakkolainen, Majaranta, Salminen, Rantala, & Farooq, 2019). The era of human inadequacy, human-only teams, and human performance ceilings is disappearing as AI rapidly augments work and teams (Ashley & Sahota, 2019). AI augmentation and human-machine teaming will drive tomorrow’s blended …


Exploring Factors That Influence Disagreements In Self-Other Ratings In 360-Degree Feedback Systems, Robert Allen Miller May 2023

Exploring Factors That Influence Disagreements In Self-Other Ratings In 360-Degree Feedback Systems, Robert Allen Miller

Theses and Dissertations

360-degree feedback systems are some of the most widely used ratings systems in organizations today. The current study examined the use of 360-degree feedback systems as a method for capturing job performance in organizations and the challenges associated with accuracy in ratings due to individual differences in perception. The study investigated the links between self-other rating tendencies and narrow facets of personality and examined how an individual’s personality affects self- and other-ratings of their performance behaviors. The findings suggest that various aspects of personality differentially affect both self- and other-ratings of performance, providing a deeper understanding of how individual differences …


Xeno-Free Biomimetic Ecm Model For Investigation Of Matrix Properties On Astrocyte Cell Response, Bayan Saleh May 2023

Xeno-Free Biomimetic Ecm Model For Investigation Of Matrix Properties On Astrocyte Cell Response, Bayan Saleh

Theses and Dissertations

Astrocytes are crucial in preserving the structural and functional integrity of the central nervous system (CNS). They participate in several physiological processes, such as the uptake of neurotransmitters, control of extracellular ion concentration, and preservation of the blood-brain barrier. Recent research has raised the possibility that astrocytes are also involved in the onset and development of Alzheimer's disease (AD). While the precise mechanisms underlying the development and progression of AD are not fully understood, recent research has suggested that age-related changes in the brain extracellular matrix (ECM) properties may play a critical role in the progression of the disease. Investigating …


An Investigation Of Emotional Intelligence Among African American College Students Enrolled In A State College In Florida, Wayne Brown May 2023

An Investigation Of Emotional Intelligence Among African American College Students Enrolled In A State College In Florida, Wayne Brown

Theses and Dissertations

Due to the small number of research studies that have explored emotional intelligence (EI) in African-American (AA) samples (i.e., twelve studies, with six involving college students), the first purpose of this study was to describe conceptual and empirical dimensions of EI within a sample of AA college students (Research Question 1). To date, only one EI measure has been developed for use with AA samples, the African American Emotional Intelligence Survey or AAEIS (Funderburk, 2007), so the second purpose was to further explore the validity and reliability of the AAEIS (Research Question 2). The third purpose was to explore the …


A Multi-Level Comparison Of Increasing Training Modalities To Train Behavior Analysts To Conduct An Intensive Pediatric Feeding Intervention, Ronald Joseph Clark May 2023

A Multi-Level Comparison Of Increasing Training Modalities To Train Behavior Analysts To Conduct An Intensive Pediatric Feeding Intervention, Ronald Joseph Clark

Theses and Dissertations

A common focus within behavior analytic clinical practice is to incorporate training with caregivers to promote successful transition of clinical services. In the pediatric feeding literature, for example, training caregivers to ensure maintenance and generalization of the intervention is expected. However, training staff members to provide specific behavioral interventions has received less attention. The current study systematically implemented three levels of training to evaluate the level of intensity required to train behavior analytic staff (i.e., behavior technicians, Registered Behavior Technicians®, and Board-Certified Behavior Analysts®) to implement a feeding protocol with a role play partner. Only one participant met the mastery …


Trajectory Energy Management For Ectol: Examination Of Battery Discharge Under Two Flight Profiles, Denner Campos Cunha May 2023

Trajectory Energy Management For Ectol: Examination Of Battery Discharge Under Two Flight Profiles, Denner Campos Cunha

Theses and Dissertations

The expanding industry of electric airplanes presents a significant regulatory challenge for aviation authorities worldwide. The first step towards achieving a precise Trajectory Energy Management (TEM) is to understand how the powertrain behaves during the operation. Therefore, this work examined the battery performance of an eCTOL, the Pipistrel Velis Electro, under two different prescribed flight profiles and take-off weights. Flight 1, a destination trip profile, was conducted with a gross weight of 1146 lbs and a constant power setting of 22 kW during the cruise segment, while Flight 2, a local training flight profile, was conducted with a gross weight …


Effect Of Brain Injury On Demand Of Alcohol, Whitney Michele Chaney May 2023

Effect Of Brain Injury On Demand Of Alcohol, Whitney Michele Chaney

Theses and Dissertations

Brain injury, or damage to the brain and/or surrounding structures, is listed by the CDC as the leading cause of disability and death in the United States. This kind of injury can result in symptoms that physical, cognitive, and behavioral functioning in those affected. Despite this, current literature reflects a significant deficiency in the understanding and management of behavioral symptoms, that present after the injury, in most neurorehabilitative treatments. This study aimed to investigate whether sustaining a brain injury can effect an individual’s demand intensity for alcohol, if their demand was inelastic, and their probability for misuse of alcohol. To …


Development Of A Pediatric Heart Assist Device Monitoring System, Natalie Hill May 2023

Development Of A Pediatric Heart Assist Device Monitoring System, Natalie Hill

Theses and Dissertations

Heart failure (HF) is one of the leading causes of deaths for adults worldwide, but has disproportionately significant effects on pediatric patients that are often overshadowed. Treatment options for pediatric patients with HF are extremely limited, resulting in increased mortality rates within hospitals. Patients often depend on ventricular assist device (VAD) support as a bridge to transplant. The Berlin Heart EXCOR is the only FDA approved device for pediatric use in the US. However, many hemodynamic and neurological complications continue to arise; for instance, up to 30% of EXCOR patients suffer from stroke. Currently, there is no effective way to …


Water-Soluble Iron Porphyrin Complex For The Catalytic N-Dealkylation Of Fentanyl, Amanda Pitt May 2023

Water-Soluble Iron Porphyrin Complex For The Catalytic N-Dealkylation Of Fentanyl, Amanda Pitt

Theses and Dissertations

An increase in the misuse of opioids in the United States and the increasing potency of analogs necessitates novel treatments of opioid overdose. The chemical structure of synthetic opioids, such as fentanyl, carfentanil, and morphine possess a trialkyl amine functional group (-NR3) which makes for a promising target for potential catalysts. Iron (III)-tetrasulfonatophenyl porphyrin (complex 9) was synthesized as a potential catalyst for degradation of fentanyl. Complex 9a was prepared from the direct reaction of the free porphyrin and FeSO4. Complex 9b was prepared from the direct reaction of the free porphyrin and FeCl2 in refluxing DMF. The complexes were …


The Future Of Socialization: Linking Socialization To Employee Engagement, Alexander Michael Dechurch May 2023

The Future Of Socialization: Linking Socialization To Employee Engagement, Alexander Michael Dechurch

Theses and Dissertations

This study examines the relationship between socialization and engagement. In doing so this study investigates and measures the impact that social integration, task mastery, autonomy, role clarity, satisfaction with socialization, job embeddedness, network characteristics, network capital, and online socialization have in linking socialization to engagement. The sample for this study utilized data from Amazon Mechanical Turk. The results suggest that institutionalized socialization tactics relate to higher reported engagement. In addition, social integration, autonomy, job embeddedness, network strength, and network capital each play a significant role in the observed relationship


Parental Well-Being And Children’S Internalizing Symptoms During The Beginning Of The Covid-19 Pandemic In The United States, Diana Duran May 2023

Parental Well-Being And Children’S Internalizing Symptoms During The Beginning Of The Covid-19 Pandemic In The United States, Diana Duran

Theses and Dissertations

During the beginning of the COVID-19 pandemic stay-at-home orders in the U.S., many parents of school-age children faced new challenges, such increased child-care demands (Adams, 2021). Prime et al. (2020) theorized these negative pandemic impacts would decrease parents' well-being and thereby impact children's psychological adjustment. This study hypothesized that higher number of negative pandemic impacts would predict worsened stress and relationship satisfaction levels among parents, and that this would in turn predict worsened child internalizing symptoms. 595 U.S. parents of school-age children were recruited online during May 2020. Higher number of negative pandemic impacts predicted worsened parents' stress and relationship …


Evaluating Readiness To Teach Online By Examining The Relationship Between Faculty’S Perceptions Of Importance Of Course Design, Course Communication, Time Management, And Technical Competency, And Their Readiness To Teach Online, Francisco Garcia May 2023

Evaluating Readiness To Teach Online By Examining The Relationship Between Faculty’S Perceptions Of Importance Of Course Design, Course Communication, Time Management, And Technical Competency, And Their Readiness To Teach Online, Francisco Garcia

Theses and Dissertations

The purpose of this study was to examine faculty’s perceptions of the importance of online teaching competencies and their perceptions of their ability to teach online. Two aspects of readiness are focused on in this framework: 1) faculty attitude on importance of online teaching competencies and 2) faculty perception on their ability to confidently teach online, and four competencies were utilized in this study: Course Design, Course Communication, Time Management, and Technical Competency. A quantitative research design was utilized to analyze data and show the degree of correlation between importance and ability in the four competencies. MANOVA was used to …


An Exploration Of Online Doctoral Students And The Ways They Cultivate Connections, Shannon Reynolds May 2023

An Exploration Of Online Doctoral Students And The Ways They Cultivate Connections, Shannon Reynolds

Theses and Dissertations

According to the United States Department of Education, 42.4% of postbaccalaureate students participated in online distance education during Fall of 2019. These numbers increased because of the Covid-19 pandemic of March 2020. The pandemic not only created a severe social and economic disruption, but it also disrupted all levels of education. This study examines exclusively online students enrolled with traditional face-to-face students and faculty. Understanding the impact of the pandemic, faculty and administrators can gain insights into how online learning can be adapted to meet the unique needs of advanced learners. The pandemic has forced many universities to move their …


The Synthesis And Characterization Of Metal Oxide Nanomaterial-Based Composites And Their Use As Antibacterial Agents, Jo A. Sanchez May 2023

The Synthesis And Characterization Of Metal Oxide Nanomaterial-Based Composites And Their Use As Antibacterial Agents, Jo A. Sanchez

Theses and Dissertations

The work presented in this thesis discusses the antibacterial properties of various metal oxides and metal oxide/polymer composite fibers. Polyvinylpyrrolidone (PVP) fibers embedded with Zinc Oxide nanoparticles (ZnO NPs) were prepared by centrifugal spinning from PVP aqueous solutions) and ZnO NPs. The ZnO NPs were synthesized and coated with different surfactants, cetyltrimethylammonium bromide (CTAB) and hexadecyltrimethylammonium bromide (HTAB). The effect of surfactant coating on the antibacterial activity of ZnO NPs and PVP/ZnO nanocomposite fibers against escherichia coli (e. coli) and bacillus megaterium (b. megaterium) bacteria was systematically investigated. The results showed that coating the ZnO NPs …


Piezoresistivity Of Electrically Conductive Asphalt Concrete, Mateo Schmit Mendoza May 2023

Piezoresistivity Of Electrically Conductive Asphalt Concrete, Mateo Schmit Mendoza

Theses and Dissertations

Electrically conductive asphalt concrete is considered as a multifunctional construction material due to its structural and non-structural functions. This study aims to investigate piezoresistivity of conductive asphalt concrete. Piezoresistivity is an electrical property of some materials which electrical resistivity changes with induced strain and subsequently, it has the potential for self-sensing smart technology. Graphite Powder F-516 with various contents was added into the asphalt mixtures to impart the electrical conductivity. Electrochemical impedance spectroscopy (EIS) was selected to measure the electrical properties of the specimens in dry and wet conditions, and low and high temperatures. The impedance measurement shows that the …


Themes And Participants’ Role In Online Health Discussion: Evidence From Reddit, Massara Alazazi May 2023

Themes And Participants’ Role In Online Health Discussion: Evidence From Reddit, Massara Alazazi

Theses and Dissertations

Health-related topics are discussed widely on different social networking sites. These discussions and their related aspects can reveal significant insights and patterns that are worth studying and understanding. In this dissertation, we explore the patterns of mandatory and voluntary vaccine online discussions including the topics discussed, the words correlated with each of them, and the sentiment expressed. Moreover, we explore the role opinion leaders play in the health discussion and their impact on participation in a particular discussion. Opinion leaders are determined, and their impact on discussion participation is differentiated based on their different characteristics such as their connections and …


Activation Of Opa1 Processing In Differentiated Myoblast Cells, Omar Agustin Carrillo May 2023

Activation Of Opa1 Processing In Differentiated Myoblast Cells, Omar Agustin Carrillo

Theses and Dissertations

Mitochondria are eukaryotic cellular organelles that play a role in energy production, apoptosis, integrated stress response, and aging. Mitochondrial dynamics is the physical fusion (interconnection) and fission (fragmentation) of mitochondria within a cell and tightly regulates mitochondrial functions. Optic atrophy 1 (OPA1) is a dynamin-related GTPase located in the inner mitochondrial membrane, and is responsible for inner mitochondrial membrane fusion. OPA1 exists in five isoforms, the two fusion-active long OPA1 (L-OPA1) and the three fusion-inactive short OPA1 (S-OPA1) isoforms. When the transmembrane potential (∆ψm) is aggravated, the inner membrane metalloprotease OMA1 is activated, causing the complete cleavage of L-OPA1 to …


A Machine Learning Approach To Evaluate The Effect Of Sodium-Glucose Cotransporter-2 Inhibitors On Chronic Kidney Disease In Diabetes Patients, Solomon Eshun May 2023

A Machine Learning Approach To Evaluate The Effect Of Sodium-Glucose Cotransporter-2 Inhibitors On Chronic Kidney Disease In Diabetes Patients, Solomon Eshun

Theses and Dissertations

Chronic kidney disease (CKD) is a significant complication that contributes to diabetes-related mortality in the United States, and there is growing evidence that sodium-glucose cotransporter 2 inhibitors (SGLT2i) can slow its progression. However, observational studies may suffer from confounding by indication, where patient characteristics and disease severity influence the decision to prescribe SGLT2i. This study utilized electronic health records of individuals with diabetes (from TriNetX) to investigate the effectiveness of SGLT2i on CKD progression. The database provided detailed information on patients’ CKD status, demographics, diagnosis, procedures, and medications, along with corresponding dates of diagnosis and prescription. The study comprised of …


Chop Suey Habits: The State Of The American Chinese Restaurant During Covid Times, Rebecca Ma Apr 2023

Chop Suey Habits: The State Of The American Chinese Restaurant During Covid Times, Rebecca Ma

Theses and Dissertations

With the outbreak of COVID-19 in Spring 2020, the yellow peril has come back from its clandestine hiding spot with attention directed towards East and Southeast Asian citizens. In the ongoing debate of cleanliness and sanitization during a pandemic, the yellow peril scare has once again American Chinese restaurants. American Chinese restaurants found themselves to be the target of online abuse and loss of patronage in these uncertain times. While over half of American Chinese restaurants took the loss and shut down in March/April 2020, they still reopened to partial to full capacity sometime in 2020. American Chinese restaurant owners …


Toxicity And Reddit: A Study Of Harmful Effects On User Engagement And Community Health, Nahiyan Bin Noor Apr 2023

Toxicity And Reddit: A Study Of Harmful Effects On User Engagement And Community Health, Nahiyan Bin Noor

Theses and Dissertations

The rise of social media has led to an alarming increase in harmful content, including abusive language, disrespect, and hate speech. While social media platforms have attempted to address this issue, harmful content cannot be completely eradicated before it impacts individuals or communities. In this thesis, we conduct a comparative analysis of toxicity on three social media platforms: Twitter, Parler, and Reddit. Using Reddit data, our study employs a tree structure to visualize and divide each conversation thread, allowing for an in-depth examination of the impact of toxic content on communities. We also used different machine learning algorithms to classify …


Coach Leadership Counts And Civic Mindedness Matters, Sarah L. Sharpe Apr 2023

Coach Leadership Counts And Civic Mindedness Matters, Sarah L. Sharpe

Theses and Dissertations

The purpose of this sequential exploratory study was to investigate how New Jersey public high school coaches who self-report transformational leadership traits may potentially influence the development of civic mindedness in their respective student-athletes. Three main research questions were posed regarding coaches’ transformational leadership practices, their roles in the development of students’ civic mindedness, and connections between the two. It was posited that the behavior of coaches can have a significant effect on the student-athletes that participate on their teams. The theoretical lens of transformational leadership permeates this research. A mixed-methods approach was utilized. Kouzes and Posner’s Leadership Practices Inventory …


Mapping Psychological Safety In The Nursing Classroom: A Situational Analysis, Lori Beth Beard Apr 2023

Mapping Psychological Safety In The Nursing Classroom: A Situational Analysis, Lori Beth Beard

Theses and Dissertations

The purpose of the qualitative situational analysis was to explore the interconnectedness of human and non-human elements that shape psychological safety in the associate degree nursing classroom learning environment. Using grounded theory methods together with situational analysis, specifically situational mapping, a theory of psychological safety in the nursing classroom emerged from the data. The data highlighted several theoretical categories that capture how faculty use various elements to construct psychological safety in the classroom. From the data emerged the theory that nurse faculty connect their nurse identities to the elements when building psychological safety into the classroom learning environment. Implications for …


A Longitudinal Look: How Sleep Impacts Suicidal Thoughts And Behaviors In Autism And Social Anxiety, Lindsay Jacalyn Regehr Apr 2023

A Longitudinal Look: How Sleep Impacts Suicidal Thoughts And Behaviors In Autism And Social Anxiety, Lindsay Jacalyn Regehr

Theses and Dissertations

Crucial research about suicidal thoughts and behaviors is often done in a cross-sectional manner that only considers limited risk factors. This research is limited in scope and rarely produces meaningful results to inform treatment. This study uses a longitudinal design to follow 93 participants over approximately 6 months. Participants are individuals with autism and social anxiety who were part of high-risk groups for suicidality, sleep problems, and social isolation. Participants recorded their sleep patterns and suicidal thoughts daily via the phone app MetricWire and continuously wore a GENEActiv actigraphy device to tract their objective sleep patterns. The Columbia Suicide Severity …


Social Media's Impact On The Puerto Rican Diaspora After Hurricane Maria, Heidi Lynn Steidel Ii Camacho Apr 2023

Social Media's Impact On The Puerto Rican Diaspora After Hurricane Maria, Heidi Lynn Steidel Ii Camacho

Theses and Dissertations

Puerto Rico has belonged to the United States for more than a century. In 1898, more than two decades after the Spanish American War, Spain formally ceded the island to the United States. Just over 20 years later, islanders officially became American citizens. Since then, the 100-mile-long by 35-mile-wide island has experienced economic and political crises, the COVID-19 pandemic, and life-threatening natural disasters. These events provoked a vast fluctuation in its population. After Hurricane Maria unfolded in September 2017, more than 200,000 Puerto Ricans moved to the continental United States to start new lives (Schwartz, 2018). This qualitative study sheds …


Non-Fatal Strangulation During Sexual Assault: A Retrospective Review, Brooke E. Stacey Apr 2023

Non-Fatal Strangulation During Sexual Assault: A Retrospective Review, Brooke E. Stacey

Theses and Dissertations

Background: Non-fatal strangulation (NFS) is a life-threatening event in cases of sexual assault. The incidence of NFS during sexual assault is increasing on a global scale. NFS is a gendered crime as most victims are women and most assailants are men and is more common in intimate partner violence. Strangulation victims only have visible neck injuries around 50% of the time, but visible injuries are not a reliable indicator of the severity of the assault. NFS can cause neurological damage from lack of blood flow to the brain and result in physical and psychological trauma. NFS indicates a high degree …


On And On And On, Rachel Hansen Apr 2023

On And On And On, Rachel Hansen

Theses and Dissertations

One defining root of the essay is its goal to articulate thoughts, simple and complex, into a piece that readers might deliberate and rest and even rely on. On this or that or the other-- "on" being a word suggesting sturdiness and foundation. On and On and On is a collection of personal essays which intends to examine the theories of "truth" (another word associated with sturdiness,) within personal experiences, as they are delivered through creative means. When truths in life are examined and explored in essayistic ways, we discover more profound axioms of the soul that would otherwise remain …


Healing Practices And Ritual Feasts Among The Nabateans: A Study Of Absorbed Residues From Ceramics On The Ad-Deir Plateau, Jake Hubbert Apr 2023

Healing Practices And Ritual Feasts Among The Nabateans: A Study Of Absorbed Residues From Ceramics On The Ad-Deir Plateau, Jake Hubbert

Theses and Dissertations

Eastern Cistern B on the Ad-Deir Plateau is unusual in its breadth and variety of ceramic vessels represented by thousands of sherds. These sherds raised significant questions about the purpose and use of the vessels that they originally came from. This thesis argues that the ceramic vessels that were deposited in Eastern Cistern B represent the deposited remains of an ancient Nabataean ritual feast. Furthermore, this thesis also helps to answer the questions surrounding what the ceramic containers once held and their relationship to that ritual meal. This thesis identified residues absorbed within the ceramic fragments through the use of …


Online Self-Compassion Training Vs. Expressive Writing: A Randomized Controlled Trial, Lauren Benyo Linford Apr 2023

Online Self-Compassion Training Vs. Expressive Writing: A Randomized Controlled Trial, Lauren Benyo Linford

Theses and Dissertations

Self-compassion is associated with a variety of positive outcomes including well-being and positive body image. There is a need for accessible online self-compassion resources that can be disseminated to the general public. This study examined the efficacy of The Gift of Self-Compassion course (GSC): a 30-day internet-delivered self-compassion training within a non-clinical general population sample. Outcomes examined were self-compassion, well-being, and body dissatisfaction. Using a randomized controlled design, this study compared the GSC to an expressive writing (EW) curriculum. Participants were 215 adults from the general population. Seemingly unrelated regression models were used to estimate treatment differences between groups as …


Studies On Osh6 And Its Pro-Aging Mechanisms, Nazneen Begum Apr 2023

Studies On Osh6 And Its Pro-Aging Mechanisms, Nazneen Begum

Theses and Dissertations

The target of rapamycin complex 1 (TORC1) is a master regulator of cell growth as well as a negative regulator of longevity. A recent study in yeast showed that the vacuolar TORC1 stimulates protein synthesis and cell growth while the endosomal TORC1 inhibits autophagy, a pro-longevity process. Since late endosome frequently exchanges membranes with vacuoles, the spatial dissection of TORC1 raises an interesting question as to how to inhibit the endosomal TORC1 and boosts the vacuolar TORC1 to extend the health span. In my thesis, I employed a longevity mutant that mildly up-regulates Osh6 (PERG6-OSH6) to address this question. I …


Designing For Multigenerational Households In The United States, Dongniya Xiu Apr 2023

Designing For Multigenerational Households In The United States, Dongniya Xiu

Theses and Dissertations

Aging has become a challenging issue worldwide as well as in the United States where the high cost of nursing homes and unfriendly insurance plans have exacerbated the situation. To address this issue, multigenerational living arrangements have gained attention to bring financial, social, and environmental benefits, and reduce social isolation and loneliness among older adults. Researchers employed qualitative research methods by gathering data from open-ended interviews and observations to explore interior design needs and concerns and to identify necessary adjustments to promote aging-friendly living environments for multigenerational households. A total of 8 participants from four multigenerational households were conducted in …