Digital Commons Network^™

Strengthening Teacher Efficacy: An Improvement Science Journey To Support Teachers Post Covid-19 School Closures, Ada Odet Sindab

Theses and Dissertations

This dissertation presents the findings of a qualitative improvement science study aimed at identifying an effective professional development structure to enhance teacher efficacy in the context of post-COVID-19 education. The study's approach was guided by a systematic exploration of the problem, facilitated by a driver diagram, which led to the identification of three potential change ideas. Among these ideas, the second change, involving the design of a school master schedule with dedicated time for teacher planning, emerged as the initial step towards achieving the research goal. To operationalize this change, Plan-Do-Study-Act (PDSA) cycles were employed iteratively to develop a tailored …

The Impact Of Differentiated Affective Curriculum On The Asynchronous Social And Emotional Development Of Gifted Elementary Students, Michelle Koehle

Theses and Dissertations

The purpose of this mixed-method action research study was to support the asynchronous development of third-grade gifted students at GWE by identifying their key social and emotional needs and determining the outcomes of a differentiated SEL curriculum. The four most significant affective areas of social and emotional need as self-reported by the participants on a quantitative pre-survey were emotion regulation, goal management, emotional knowledge, and relationship skills. Qualitative observations and exit tickets were collected to understand participants’ perceptions of the differentiated affective curriculum on their social and emotional development. Quantitative data was collected at the end of the study and …

Electric Freight Transportation System Planning And Truck Operation Optimizations, Xuanke Wu

Theses and Dissertations

The substantial demand for fossil fuel consumption is a significant contributor to greenhouse gas emissions, drawing considerable public attention to health and environmental problems. As a result, vehicle electrification is currently recognized as the most effective approach to reduce CO2 emissions from transportation. However, compared to traditional fossil fuel-powered vehicles, electric vehicles have notable disadvantages, including higher upfront purchasing price, longer recharging time, and most significantly, lower driving ranges. All these challenges can potentially result in increased overall operational costs for logistics companies. This thesis proposes a comprehensive optimization modeling framework for electric freight transportation system planning and operations with …

Enhancing Relation Database Security With Shuffling, Tieming Geng

Theses and Dissertations

Database security holds paramount importance as it safeguards an organization's most valuable assets: its data. In an age marked by escalating cyber threats, protecting sensitive information stored in databases is essential to preserve trust, prevent financial losses, and maintain legal compliance. In this dissertation, an exploration into the realm of relation database security is undertaken. The research introduces a cryptographic secure shuffling algorithm designed to fortify database security. Additionally, the dissertation presents a series of innovative solutions aimed at bolstering both the security and efficiency of the shuffling algorithm. Encryption algorithms have long served as a mean of safeguarding sensitive …

The Utility Of Bayesian Predictive Models To Forecast Arboviruses In The United States Of America And Territories, Maggie Suzanne Jennave Mccarter

Theses and Dissertations

Statistical models have been utilized to understand and forecast infectious diseases across the globe. However, these models have historically been difficult to access and interpret for non-specialist audiences. This dissertation focuses on one computationally efficient model fitting method, the integrated nested LaPlace approximation approach, to forecast three arboviruses in hopes of encouraging accessibility to statistical modelling. Such accessibility could provide areas who simultaneously are most susceptible to infection, and have the least resources, an invaluable tool for informing policy and prevention decisions. The resulting models included biological, land cover, and environmental factors and produced accurate forecasts of neuroinvasive West Nile …

Design And Fabrication Of High-Resolution Epitaxial 4h-Sic Metal Insulator Semiconductor Detectors, Omerfaruk Karadavut

Theses and Dissertations

In the last two decades, significant strides have been made in the epitaxial film growth of 4H-silicon carbide (4H-SiC), establishing it as a premier wide bandgap material for radiation detection application under harsh environments. This is primarily attributed to its unique combination of physical properties such as high thermal conductivity, wide bandgap, robust breakdown field, and radiation hardness. Metal/4H-SiC epitaxial layer Schottky barrier diodes (SBDs) have emerged as reliable radiation detectors for harsh environments. However, the utilization of thicker epitaxial layer devices encounters challenges due to the minimum achievable doping concentration in 4H-SiC epitaxial layers, necessitating higher bias voltages for …

Real-Time Product Structural Validation For Fused Filament Fabrication, Yanzhou Fu

Theses and Dissertations

Fused filament fabrication (FFF) is one of the fastest-growing, most promising, and widely-used Additive manufacturing (AM) technologies, as its capabilities of largely reducing material waste, feasible and flexible designing complicated structure or geometry product. Except for the advantages mentioned above, the unique affordability has made FFF a popular technique for small-scale 3D printing. However, its widescale adaption for industrial applications still faces significant challenges, especially for Industry 4.0, due to the process’s intrinsic uncertainties. During the printing process, even a trivial bonding gap or material void dramatically influences the final product’s structural quality and mechanical properties. Therefore, a defect detection …

Impact Of Steroid Receptor And Hormone Manipulation In Skeletal Muscle: Implications For Glucose Metabolism And Insulin Sensitivity In Male Mice, Christian Aaron Unger

Theses and Dissertations

This dissertation aimed to investigate the influence of modifying steroid receptor content and steroid production within skeletal muscle on glucose metabolism and insulin sensitivity within the context of diet-induced obesity. Specifically, our research focused on three key aspects:1) determining the role that skeletal muscle androgen receptor has on glucose metabolism and insulin action in male mice fed a high-fat diet and 2) determining if inducible skeletal muscle aromatase overexpression improves glucose intolerance and insulin action in male mice fed a high-fat diet and 3) determining if inducible skeletal muscle estrogen-receptor alpha (ER-α) overexpression improves glucose intolerance and insulin action in …

Integrated Wastewater Surveillance For Sars-Cov-2 And Antibiotic Resistant Bacteria: Implications For Public Health And Environmental Management, Mirza Isanovic

Theses and Dissertations

While current technologies have inadvertently resulted in wastewater treatment plants (WWTPs) becoming major sources of global antibiotic resistance gene (ARG) dissemination, wastewater can be leveraged to provide vital community-level health information. This project examined both of these aspects through wastewater-based surveillance of SARS-CoV-2 and metagenomic analysis of specific ARGs collected from both activated sludge and bioaerosols. In this study, we investigated treatment steps between the influent and final treated effluent to identify the point at which viral RNA is below detection. Additionally, we examined air surrounding high turbulence treatment steps to test for the presence of SARS-CoV-2 RNA in WWTP-generated …

Understanding The Impact Of Adverse Childhood Experiences On Borderline Features And Deliberate Self-Harm Behaviors Among College Students: The Mediating Roles Of Emotion Regulation And Interpersonal Functioning, Sydney Mari Levine

Theses and Dissertations

Research has established ACEs as significant predictors of deliberate self-harm (DSH) in both clinical and community populations. Further, adults meeting criteria for borderline personality disorder (BPD) are nearly 14 times more likely to report childhood adversity. No previous studies have examined the critical roles of emotion regulation and interpersonal functioning as mediating mechanisms in these relations. Thus, the current study explored the mechanism by which ACEs affect borderline personality features (BPF) or deliberate self-harm through emotion regulation and interpersonal functioning in a sample of emerging adult college students. Participants (N = 2,255, M age = 19.25) included college students from …

Acoustic-Emission Monitoring Of Lap Joint Fatigue Cracks, Siddharth Kannan

Theses and Dissertations

Structural integrity is a pivotal consideration in the field of engineering applications, and understanding the behavior of materials and joints under various loading conditions is critical. This thesis presents a novel approach to detect and analyze fatigue induced cracks in various test specimens using Piezoelectric Wafer Active Sensors. This approach is widely used in Structural Health Monitoring applications involving acoustic emissions that can be captured using PWAS which in turn gives the surface response to applied stresses. The ultimate goal of the research is to identify the length of a fatigue crack originating from lap joints and to develop a …

Family Mass Murder: An Exploratory Study Of The Role Of Arson, Rachel Rori Rodriguez Spradley

Theses and Dissertations

The current literature on the use of arson in homicides analyzes the role of psychosis and mental illness, detection avoidance, and fire-setting as a precursor to violent crime. Only recently have researchers examined the connection between arson and family violence through the means of coercive control. Remaining unanswered is the role of arson in family mass murders occurring in a private residence. Using the Mass Killings in America database compiled and maintained by the Associated Press, USA Today, and Northeastern University (2006-2022), I compare characteristics of family mass murders that are arson-related to those that are non-arson-related. While family mass …

Computerized Psychological Testing: Designing And Developing An Efficient Test Suite Using Hci And Reinforcement Learning Techniques, William Henry Hoskins

Theses and Dissertations

In this work we discuss the design and development of the Carolina Automated Reading Evaluation (CARE), created to facilitate the finding of deficits in the reading ability of children from four to nine years of age. Designed to automate the process of screening for reading deficits, the CARE is an interactive computer-based tool that helps eliminate the need for one-on-one evaluations of pupils to detect dyslexia and other reading deficits and facilitates the creation of new reading tests within the platform. While other tests collect specific data points in order to determine whether a pupil has dyslexia, they typically focus …

Effects Of Chronic Stress On Working Memory Are Sex-Specific And Age-Dependent, Tyler Jamison Cox

Theses and Dissertations

As the aging demographic of the United States expands, the convergence of age-related cognitive decline and stress-related dysregulation emerges as a substantial concern, impacting not only the lifespan but also the overall well-being of American citizens. In the realm of research, there has been a pronounced focus on Alzheimer's Disease, leading to an imbalanced allocation of resources compared to the study of normal aging. It is widely acknowledged that executive function deteriorates as individuals age, a concept substantiated by numerous investigations conducted in labs dedicated to the study of normal aging. Significantly, even among individuals afflicted with neurodegenerative disorders affecting …

Supporting Our Heroes: The Need For A Community Of A Community Of Practice Dedicated To The Support Of Military-Connected Families Living In The Southeastern United States, Ashley Gwyneth Monier

Theses and Dissertations

Military families face unique challenges that many civilian families may not be familiar with, to include frequent geographical relocations and extended periods of separation due to military deployments. This study aims to identify the resources available to military families and identify gaps in services and programming to highlight the need for a Community of Practice dedicated to addressing issues that impact our all-volunteer force in the southeastern United States. Furthermore, this study aims to give a voice to the military community regarding the unique difficulties that are commonplace within the military life, to include regular mandated geographical relocations and extended …

Supporting Self-Efficacy Through Mindset: The Impact Of A Growth Mindset Innovation On The Self-Efficacy Of Middle School Students In A Teen Leadership Course, Shannon J. Kojah

Theses and Dissertations

Understanding how the disposition of a student interacts with or influences a behavior plays a central role in cognitive theories. Middle school years have been accounted for as being difficult, awkward, and sometimes downright stressful. The overall purpose of this action research was to examine the impact of a growth mindset innovation using a digital portfolio on the self-efficacy of middle school students in a leadership course. The research questions were: (1) How can a growth mindset intervention using a digital portfolio support self-efficacy improvement in middle school students taking a leadership course? (2) What are students’ perceptions on their …

Quantification Of The Internalization Of A Commercially Available Silver Nanoparticle To The Bacterium Escherichia Coli, Samantha Mcneal Case

Theses and Dissertations

Nanoparticles (NPs), materials with dimensions ranging from 1 to 100 nanometers, are widely used in various consumer products, with silver nanoparticles (AgNPs) being the most prominent. Exposure to AgNPs occurs through multiple sources, including food packaging, supplements, and disinfectants, owing to their antimicrobial properties. Prior research has identified adverse health effects, such as cytotoxicity, toxicity, and Ag bioaccumulation resulting from AgNP exposure to bacteria in biological systems and the environment. However, most studies employ pristine, highly concentrated NPs, which may not accurately represent realistic exposure scenarios at environmentally relevant concentrations. This project investigates the fate and internalization of AgNPs, found …

Uav-Deployable Sensing Network For Rapid Structural Health Monitoring, Joud Satme

Theses and Dissertations

Natural disasters and extreme weather events pose significant threats to the structural integrity and safety of civil and environmental infrastructure. In this context, Structural Health Monitoring (SHM) emerges as a pivotal discipline, intersecting engineering, technology, and disaster resilience. SHM's mission is to provide real-time, data-driven insights into the condition of critical infrastructure, encompassing bridges, buildings, dams, and transportation networks. These systems not only expedite assessment, but also wield substantial influence in mitigating catastrophic disasters. As the frequency and intensity of extreme weather conditions escalate due to climate change, the need for robust and proactive SHM strategies becomes increasingly apparent. Moreover, …

The Genetic Associations Of Circadian Rhythm And Sleep Disorder Traits With Risk Of Monoclonal Gammopathy Of Undetermined Significance And Multiple Myeloma, Brittany Crawford

Theses and Dissertations

Background: Circadian rhythm disruption and sleep have been widely studied for their roles in immunity and cancer development. Evidence for an association of circadian rhythm and sleep traits with multiple myeloma (MM) risk is inconclusive. No studies have investigated these traits in relation to monoclonal gammopathy of undetermined significance (MGUS). Given that MGUS precedes almost all MM cases, investigating sleep and circadian rhythm in relation to both MM and MGUS is necessary. The purpose of this dissertation was to explore the genetic influences of circadian rhythm and sleep traits on the risk of MGUS and MM. Methods: Data were leveraged …

Developing A Smart And Sustainable Public Transportation System: A Case Study In Camden, New Jersey, Zahra Vafakhah

Theses and Dissertations

The transportation sector is a major contributor to air pollution and Greenhouse Gas (GHG) emissions. As a significant source of emissions, public transportation presents an opportunity for mitigation through electrification. However, transitioning to an electric bus fleet necessitates substantial investments in bus procurement and charging infrastructure. To address the associated costs, this study introduces a mixed-integer linear mathematical model developed to optimize the location of on-route fast charging stations within bus networks. The central objective of this optimization formulation is to minimize the overall cost of establishing the charging infrastructure. The study employs a real-world case study focusing on a …

The Effect Of Music Therapy Interventions For Early Adolescents With Special Needs To Improve On-Task Behaviors, Shuolin Kong

Theses and Dissertations

This study investigated the effects of music therapy intervention on on-task behaviors of early adolescents with autism spectrum disorder and/or intellectual disabilities. A within-subject research design was used with four early adolescents diagnosed with autism spectrum disorder and/or intellectual disabilities from a Junior high school in the United States. Four school-age students from one classroom (N=4, male= 2, female= 2, mean ages =11.75 years) were selected and assigned to attend two alternated treatment conditions: four group non-music therapy sessions (Treatment A) and four group music therapy sessions (Treatment B). A security video camera recorded the duration of on-task behaviors under …

Drenched And Drying: Regional Affects And Small-Scale Souths: A Creative Dissertation, Emily Fontenot

Theses and Dissertations

Drenched and Drying is a speculative climate fiction novel that explores regional affects and tensions by zooming in on the US Gulf Coast South and central California in the midst of climatological disaster. They look to each other for aid. The asymmetrical experiences of climate change fuel the ongoing tension in the novel. The dissertation includes a critical introduction to the novel that examines the understanding of the US South as a region that has been created by media and literary canons, as well as affectual understandings of the region. I argue that to combat this monolithic and flattening imagined …

Evaluation Of Digital Twin Approaches For Thermal Modeling And Energy Optimization For Existing Buildings, Jason Bastie Muermann

Theses and Dissertations

Residential, commercial, and industrial building sectors in the United States were responsible for 42% of the nation’s consumption of 100.2 quadrillion BTUs of energy in 2019 [1]. 80% of the nation’s energy is sourced from fossil fuels, including coal, natural gas, and petroleum. Fossil fuels are known contributors to carbon emissions and climate change, making energy reduction vital. Consequently, New Jersey Department of Military and Veterans Affairs (NJDMAVA) is tasked with evaluating energy consumption and efficiency in all New Jersey Army National Guard (NJARNG) facilities, as mandated by TAG Policy Letter 18-5, Executive Order 13990, and the Energy Independence and …

Illuminating The Ozarks: A View Of Ozark Mountain Culture Through The Lens Of Regional Craft, Jessica Erwin

Theses and Dissertations

The Ozarks Mountain region has a rich and lengthy cultural heritage. This heritage includes the creation of crafts with attributes unique to the Ozarks. In 1978 the Ozarks Regional Commission, a federal-state partnership, conducted a survey of crafts and craftsmen in the Ozarks. This thesis examines using digitized images of 35mm slides from the report Crafts: The Human Dimension to build a web exhibit about the history and culture of the Ozarks Mountain Region. The topics covered include geography, migration patterns, and craft items of the region.

Print Versus Electronic: A Mixed-Method Exploration Of Student Preferences At Marathon University, Jennifer King Matthews

Theses and Dissertations

Academic libraries have been adapting and changing their collections with technology. Often, this technology has accompanied a conversion from physical collections, such as print books to electronic collections and electronic books. This mixed methods case study aimed to understand how first-generation college students at a public research university use print books versus electronic books. Data was collected using a survey based on the Academic Reading Questionnaire (Mizrachi, 2015) to assess the attitudes of both first-generation college students and continuing-generation college students towards these materials in the Marathon University Library collection. A qualitative semi-structured interview was also conducted, which focused on …

Design And Development Of Clinical Decision Support System For Breast Cancer Diagnosis Using Artificial Intelligence, Karthiga R

Theses and Dissertations

The prevalence of breast cancer in women worldwide is far higher than that of cancers of the lungs, brain, or liver. Increasing ageing populations and poor lifestyle habits among the general public, primarily in industrialized nations, are significant factors contributing to the rise in cancer-related mortality rates worldwide. Approximately one woman in every three will develop breast cancer. This research proposes several advanced computer methods for analyzing breast cancer images. This work analyses breast cancer in four imaging modalities: mammography, thermography, ultrasonography and histopathology.

Each modality has some limitations in diagnosing tumors in the breast region. Heavy dose in mammogram …

Sctiger: A Deep-Learning Method For Inferring Gene Regulatory Networks From Single-Cell Gene Expression Data, Madison Dautle

Theses and Dissertations

Inferring gene regulatory networks (GRNs) from single-cell RNA-sequencing (scRNA-seq) data is an important computational question to reveal fundamental regulatory mechanisms. Although many computational methods have been designed to predict GRNs, none work on condition specific GRNs by directly using paired datasets of case versus control experiments, common in diverse biological research projects. We present a novel deep-learning based method, scTIGER, for GRN detection by using the co-dynamics of gene expression. scTIGER also employs cell type-based pseudotiming, an attention-based convolutional neural network method, and permutation-based significance testing to infer GRNs from gene modules. We first applied scTIGER to scRNA-seq datasets of …

Better Models For High-Stakes Tasks, Jacob Ryan Epifano

Theses and Dissertations

The intersection of machine learning and healthcare has the potential to transform medical diagnosis, treatment, and research. Machine learning models can analyze vast amounts of medical data and identify patterns that may be too complex for human analysis. However, one of the major challenges in this field is building trust between users and the model. Due to things like high false alarm rate and the black box nature of machine learning models, patients and medical professionals need to understand how the model arrives at its recommendations. In this work, we present several methods that aim to improve machine learning models …

Interrogating And Genetically Improving Drought Tolerance In The Oilseed Winter Cover Crop, Pennycress ( Thlaspi Arvense L. )., Carol S. Kiam Assato

Theses and Dissertations

Drought damage to crops is a significant threat to food security and a growing problem due to climate change. Amongst all abiotic stresses, drought is the most impactful on soil biota and crop productivity. According to the National Integrated Drought Information System (NIDIS), in 2020, 40% of the United States was under drought, and it is predicted that this number will continue to rise in the forthcoming years due to global warming. Pennycress (Thlaspi arvense L.) is a member of the Brassicaceae family related to canola and Arabidopsis that is rapidly being developed as an oilseed-producing winter cash cover crop …

South Sudanese And Syrian Refugee Community-Based Organizations In Egypt: Contributions To Resilience And Reduction Of Socioeconomic Vulnerabilities, Alaa Kasmo

Theses and Dissertations

Community-based organizations (CBOs) have emerged as crucial actors in aid delivery of global efforts, including in Egypt, where they have gained recent attention. However, CBOs’ contributions to supporting displaced communities in Egypt must be adequately investigated. This thesis examines aspects of these contributions to resilience and the reduction of socioeconomic vulnerabilities for displaced communities in Egypt. The qualitative research approach presents comprehensive case studies of interviews and focus group discussions with CBO leaders and communities, providing data on four of the Syrian and South Sudanese CBOs and their communities’ experiences and perspectives on these contributions. CBOs enhance resilience and reduce …