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The Effects Of Learner-Centered Professional Development And Supporting Effective Teaching Practices In Elementary-Level Professional Learning Communities, Lisa Suther Johnson Oct 2023

The Effects Of Learner-Centered Professional Development And Supporting Effective Teaching Practices In Elementary-Level Professional Learning Communities, Lisa Suther Johnson

Theses and Dissertations

This action research study identified the effects of learner-centered professional development (PD) and continuous support of effective teaching practices during professional learning communities (PLCs). This study focused on four specific areas – 1) building the teacher’s content knowledge through PD, 2) providing support for the implementation of culturally relevant pedagogy during PLCs, 3) providing support for the creation of equitable learning environments with learner-centered instruction, and 4) reducing the math anxiety experienced by the teachers. This mixed-methods research design used pre- and post-survey data of third-grade teachers and students, instructional coach interview responses, and students’ post-assessment data to examine how …

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Structural, Functional And Biochemical Studies To Elucidate The Molecular Basis Of Xenobiotic Metabolism Of Tetranychus Uritcae, A Major Agricultural Pest, Ricardo Hernandez Arriaza Oct 2023

Structural, Functional And Biochemical Studies To Elucidate The Molecular Basis Of Xenobiotic Metabolism Of Tetranychus Uritcae, A Major Agricultural Pest, Ricardo Hernandez Arriaza

Theses and Dissertations

The two-spotted spider mite, Tetranychus urticae, is a major cosmopolitan pest that feeds on more than 1,100 plant species, including 150 crops. Such a wide host range indicates this mite’s unparalleled xenobiotic responsiveness that is also coincident with their ability to rapidly develop resistance to pesticides. An unprecedently large detoxifying machinery is one of the main biological traits responsible for their extraordinary adaptation potential and devastating effect on crops. Availability of the whole genome sequence revealed expansions in all major detoxifying families and demonstrated that this genome has been enriched by horizontally transferred genes from bacteria and fungi. Motivated by …

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Contemporary Vocal Pedagogy In The Choral Ensemble Rehearsal: A Guide For Secondary Educators, Luke Lee Browder Oct 2023

Contemporary Vocal Pedagogy In The Choral Ensemble Rehearsal: A Guide For Secondary Educators, Luke Lee Browder

Theses and Dissertations

The field of contemporary commercial vocal pedagogy is relatively new, with serious academic study primarily taking place over the last twenty-five years. In that time, however, a growing body of research has shown that the function of the vocal mechanism operates in essentially the same manner across classical and contemporary commercial music (CCM) genres, but the application of vocal function is what differentiates classical and CCM singing. Since secondary music educators often represent the only vocal training their students will ever receive, it is helpful for them to know the differences in vocal techniques and how to effectively train singers …

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Transdisciplinary Approaches To Community Engagement, Research Translation And Science Communication Through Application Of The Socio-Environmental Report Card Process And Product In Murrells Inlet, South Carolina, Ekaterina Negodyaeva Altman Oct 2023

Transdisciplinary Approaches To Community Engagement, Research Translation And Science Communication Through Application Of The Socio-Environmental Report Card Process And Product In Murrells Inlet, South Carolina, Ekaterina Negodyaeva Altman

Theses and Dissertations

Public health and environmental sustainability are interlinked. Three pillars of sustainable development are society, environment, and economy are supported and reinforced by healthy populations. Balancing these values in a long-term vision and application requires active involvement of communities and stakeholders in decision-making process of management of environmental resources and personal health choices. Transdisciplinary sustainability science provides a framework for addressing complex issues in sustainability and generates actionable knowledge to link science and policy and involved stakeholders in the scientific process. Transdisciplinary research processes use co-design, co-production, and co-implementation framework to create and re-integrate useful knowledge into practice on a local …

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Investigation Of Discrepancies In South Carolina Traffic Collision Forms, Jackson Wegmet Oct 2023

Investigation Of Discrepancies In South Carolina Traffic Collision Forms, Jackson Wegmet

Theses and Dissertations

The aim of this thesis is to improve the accuracy of information recorded in the South Carolina traffic collision forms. To accomplish this, it examines 200 forms containing information about fatal crashes in work zones between 2014 and 2020 to determine how many discrepancies exist between the written narrative and other fields. In addition to obtaining these statistics, this thesis seeks to identify factors that influence discrepancies. To test the hypothesis that crash complexity and weather influence the investigating officer’s level of processing (a theory developed by Craik and Lockhart in 1972), and consequentially his/her ability to complete the traffic …

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Real-Time Edge Computing For Autonomous Systems, Junlin Ou Oct 2023

Real-Time Edge Computing For Autonomous Systems, Junlin Ou

Theses and Dissertations

This research presents systematic studies and algorithmic and hardware development to enable real-time edge computing for autonomous systems, in particular, for robot path planning and localization applications. First, a low-cost, indoor, multi-camera positioning system is proposed to localize ground robots using the ArUco marker. In this system, the normalized coordinates of the marker processed by OpenCV are utilized to calculate the camera coordinates. Data-driven models are developed to establish a mapping relationship between the camera coordinates and the world coordinates of the marker. Fifty data pairs of the camera and world coordinate systems within one camera view (150 pairs in …

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Exploring Cross-Border Business Model Adaptation, Kurt Norder Oct 2023

Exploring Cross-Border Business Model Adaptation, Kurt Norder

Theses and Dissertations

A business model is defined as the way a firm organizes its available resources to deliver and capture value. It can be simplified using the RCOV framework which splits the model into resources and competences, organization, and value propositions. However, the interactive nature of the components still creates internal complexity that must be managed without undermining the competitive advantage. This internal system is also subject to a multiplicity of contextual pressures, particularly as it crosses national borders. A cross-border business model has at least one of its components in multiple country environments, thus it faces variation in economic, competitive, technological, …

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Replenishment Of Essential Natural Resources: An Assessment Of The Ability Of Freshwater Algae To Enhance Crop Quality And Soil Health, Lala Christina Ek Oct 2023

Replenishment Of Essential Natural Resources: An Assessment Of The Ability Of Freshwater Algae To Enhance Crop Quality And Soil Health, Lala Christina Ek

Theses and Dissertations

Disregard for soil, an essential natural resource, hinders global food production. Food insecurity is a major concern for both public health officials and environmental scientists due to soil quality decline, pollution, and climate change. Alternatives or targeted additions to chemical fertilizers can bolster soil quality, improve crop yields, lengthen crop shelf life, and mitigate environmental pollution. One potential alternative to chemical fertilizers is replacement of them with biological soil amendments, including algae, to enhance crop growth and improve soil health. Research was conducted at the University of South Carolina-Columbia campus garden to determine impacts of non-toxic freshwater algae on crop …

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The Effect Of Model Size On The Root Mean Square Error Of Approximation (Rmsea): The Nonnormal Case, Yunhang Yin Oct 2023

The Effect Of Model Size On The Root Mean Square Error Of Approximation (Rmsea): The Nonnormal Case, Yunhang Yin

Theses and Dissertations

This study aimed to understand the effect of model size on the Root Mean Square Error of Approximation (RMSEA) under nonnormal data. We considered three methods for computing the sample RMSEA and the associated confidence intervals (i.e., the normal theory method [Browne & Cudeck, 1993], the BSL method [Brosseau-Liard, Savalei & Li, 2012], and the Lai method [Lai, 2020]). The performance of the three methods was compared across various model sizes, sample sizes, levels of misspecification, and levels of nonnormality. Results indicated that the normal theory RMSEA should not be used under nonnormal data unless the model size is very …

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Investigation, Synthesis And Rational Design Of Novel Transuranic Containing Extended Structures, Adrian Thomas Hines Oct 2023

Investigation, Synthesis And Rational Design Of Novel Transuranic Containing Extended Structures, Adrian Thomas Hines

Theses and Dissertations

The use of nuclear technology has proven useful for energy generation and for weapons manufacturing, but disposal and storage of nuclear waste is an ongoing problem. The accumulation of nuclear waste over the past decades has yielded a vast amount of waste that must be dealt with, and with space at interim storage facilities diminishing, it has become increasingly important to find solutions to nuclear waste storage. The vitrification process has been widely accepted as a viable route for immobilization of high-level waste; however, the process is inadequate for complex waste streams and has many drawbacks such as limited waste …

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Channel Morphology Of A Leaky Coastal Plain River: The Congaree River, Sc 1884-2022, William Nicholas Logan Oct 2023

Channel Morphology Of A Leaky Coastal Plain River: The Congaree River, Sc 1884-2022, William Nicholas Logan

Theses and Dissertations

Downstream changes in river planform can be associated with changes in geologic controls and often signal changes in channel geometry, bed slope, or bed material grain size. While previous studies documented downstream trends in channel geometry and planform for a variety of rivers, there is a gap in the literature on spatial and temporal trends in channel geometry on the fluvial part of Coastal Plain rivers, i.e., the not-tidally influenced part. The literature highlights the existence of crevasse splays in natural levees that allow floodplain inundation below bankfull conditions as unique feature of channels and floodplains in the Coastal Plain. …

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Educative Curricular Supports Used To Improve High Cognitive Demand Task Implementation In High-Dosage Mathematics Tutorial, Halley Bowman Oct 2023

Educative Curricular Supports Used To Improve High Cognitive Demand Task Implementation In High-Dosage Mathematics Tutorial, Halley Bowman

Theses and Dissertations

This study used a holistic case study to explore obstacles tutors faced when implementing high cognitive demand (HCD) tasks and the possibility of using embedded educative curricular supports to overcome them. Much prior research has explored using educative supports in classrooms with teachers (Davis et al., 2017), but more research is needed on using educative supports in tutorial. Similarly, prior research has shown that HCD tasks lead to significant mathematical learning but are challenging to facilitate (Stein et al., 1996). Little research explores the use of HCD tasks in tutorials. This study used the theoretical framework that educators and curricular …

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Reactive Molecular Dynamics Of Large Systems: Quantum Dynamics With Adaptable Gaussian Bases; Hydroxide Diffusion In A Polymeric Environment, Mohottige Sachith Prasanga Wickramasinghe Oct 2023

Reactive Molecular Dynamics Of Large Systems: Quantum Dynamics With Adaptable Gaussian Bases; Hydroxide Diffusion In A Polymeric Environment, Mohottige Sachith Prasanga Wickramasinghe

Theses and Dissertations

This dissertation describes our research in theory and applications of reactive molecular dynamics. Quantum dynamics provides the foundation for understanding chemical processes. However, the computational cost of describing a general quantum system scales exponentially with the system size. Thus, an efficient basis representation of wavefunctions is essential. Time-dependent Gaussian bases are often employed to describe the large-amplitude motion of high-dimensional systems. The time dependence of such bases is typically determined by (i) the variational principle or by (ii) classical dynamics. But those approaches have shortcomings due to intrinsic singularity of the variational equations in the full basis limit or due …

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Piloting Brief, Just-In-Time Training Videos For Mentors: Expanding And Strengthening Motivational Interviewing For Youth, Mackenzie J. Hart Oct 2023

Piloting Brief, Just-In-Time Training Videos For Mentors: Expanding And Strengthening Motivational Interviewing For Youth, Mackenzie J. Hart

Theses and Dissertations

Having paraprofessional providers, such as youth mentors, deliver evidence-based services, has been posited to increase the reach of youth services given the affordability and ubiquity of mentors in school settings. Further, examinations of mentor-delivered Motivational Interviewing (MI) have shown promise in increasing youth mentees’ academic performance and wellbeing. Yet, traditional methods used for training mentors to use MI effectively and sustainably can be costly and time-consuming processes. Previous work has suggested the value of asynchronous, brief, just-in-time trainings (JITTs) to help offset these challenges; however, MI JITTs for mentors have not yet been formally evaluated. As such, the present study …

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Using Critical Reflection To Mitigate Racial Implicit Bias And Enhance Cultural Humility: A Nursing Faculty Action Research Study, Teresa Stafford Cronell Oct 2023

Using Critical Reflection To Mitigate Racial Implicit Bias And Enhance Cultural Humility: A Nursing Faculty Action Research Study, Teresa Stafford Cronell

Theses and Dissertations

Formal American nursing education has existed since the late 19th century, but its historically deep-seated white framing continues to influence how current nurses are educated, enculturated, and professionalized. Insufficient inclusivity and diversity deficit have endured despite decades-long demands to do otherwise. To most nursing educators, the white frame is invisible. This unseen framing allows ongoing harmful implicit biases and microaggressions towards underrepresented nursing students and colleagues to persist. Nursing students are taught to provide culturally humble, unbiased patient care. Should not nursing faculty likewise demonstrate the same unbiased attitudes and humility towards their students? Faculty risk perpetuating the white frame …

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Floodplain And In-Channel Sedimentation In The Bedrock Congaree River, Sc, Mahsa Ahmadpoor Oct 2023

Floodplain And In-Channel Sedimentation In The Bedrock Congaree River, Sc, Mahsa Ahmadpoor

Theses and Dissertations

The Congaree River planform is characterized by an abrupt increase in channel sinuosity in the downstream direction. Such a change is not typical of alluvial meandering rivers but has been observed in mixed bedrock-alluvial rivers. This motivated the first study of this dissertation, specifically designed to determine if the Congaree River is indeed a mixed bedrock-alluvial river in its low sinuosity (upstream) reach. To test this hypothesis, sonar-based measurements of channel bed and sublayer elevation were performed from Columbia to the Congaree River-Wateree River confluence. The sublayer is here defined as the first surface visible in the sonar measurements underneath …

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Particle-Free High Spatial Resolution Velocimetry For Slip Flow Detection, Malhar Prasad Joshi Oct 2023

Particle-Free High Spatial Resolution Velocimetry For Slip Flow Detection, Malhar Prasad Joshi

Theses and Dissertations

Microfluidic systems have a wide range of applications, including biomedical devices, lab-on-a-chip technologies, and aerospace propulsion. Understanding and quantifying the slip flow phenomenon in these microscale and nanoscale channels is of paramount importance for precise control and optimization of fluidic processes. Our study presents a novel approach to directly measure the velocities in a microchannel using Laser Induced Fluorescence Photobleaching Anemometer (LIFPA) and Travel Time After Photobleaching Velocimetry (TTAPV). In this experimental study, microchannels with micrometer dimensions were used, and slip flow conditions controlled. The LIFPA-TTAPV approach was applied to measure slip velocities in the near wall regime, providing accurate …

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Exploring The Assembly Of Soluble Triphenylamine Bis-Urea Macrocycles; Synthesis Of Nsc243928 Derivatives For Triple-Negative Breast Cancer Treatment, Rahul Prakash Oct 2023

Exploring The Assembly Of Soluble Triphenylamine Bis-Urea Macrocycles; Synthesis Of Nsc243928 Derivatives For Triple-Negative Breast Cancer Treatment, Rahul Prakash

Theses and Dissertations

This dissertation is divided into two topics: I. Supramolecular polymerization of triphenylamine (TPA) bis-urea macrocycle behavior in solution, and II. Synthesis of fluorophore appended and biotinylated derivatives of NSC243928 for the treatment of triple-negative breast cancer. Supramolecular polymers are of interest due to their self-healing and stimuli responsiveness. Chapter 1 gives a brief overview of the importance of self-assembly to construct ordered structures from smaller building blocks, highlighting the mechanisms of self-assembly to form supramolecular polymers. The bis-urea macrocycle assembly unit is introduced and its assembly into tubular structures and crystals is highlighted, which are used as a control for …

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Nonparametric Tests Of Interaction For The Two-Way Design With Skewed Distributions, Michael Ethan Hornsby Brown Oct 2023

Nonparametric Tests Of Interaction For The Two-Way Design With Skewed Distributions, Michael Ethan Hornsby Brown

Theses and Dissertations

The most common parametric procedure used to test main and interaction effects in the two- or more-groups factorial design is the analysis of variance (ANOVA) F test. Researchers in the behavioral and social sciences fields require statistical methods that are robust in the presence of deviations from the common parametric ANOVA assumptions of (a) normality, (b) homogeneity of variances among groups, and (c) independence of observations. When there is concern that the parametric assumptions are violated, nonparametric procedures can be employed that do not make as many initial assumptions about the parent populations. Of particular interest in the two-factor design …

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Strengthening Teacher Efficacy: An Improvement Science Journey To Support Teachers Post Covid-19 School Closures, Ada Odet Sindab Oct 2023

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 …

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Electric Freight Transportation System Planning And Truck Operation Optimizations, Xuanke Wu Oct 2023

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 …

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Enhancing Relation Database Security With Shuffling, Tieming Geng Oct 2023

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 …

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Real-Time Product Structural Validation For Fused Filament Fabrication, Yanzhou Fu Oct 2023

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 …

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Acoustic-Emission Monitoring Of Lap Joint Fatigue Cracks, Siddharth Kannan Oct 2023

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 …

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Interfacial Ligand Transformation On Plasmonic Nanostructures: Mechanistic Insights Unraveled By Plasmon-Enhanced Spectroscopy, Kexun Chen Oct 2023

Interfacial Ligand Transformation On Plasmonic Nanostructures: Mechanistic Insights Unraveled By Plasmon-Enhanced Spectroscopy, Kexun Chen

Theses and Dissertations

We employ surface-enhanced Raman scattering (SERS) as an in situ spectroscopic tool, in conjunction with density functional theory (DFT) calculations, to develop a detailed mechanistic understanding of plasmon-driven photocatalytic reactions and heterogeneous transfer hydrogenolysis reactions of molecular adsorbates on metallic nanostructure surfaces. The excitation and decay of plasmon resonances in metallic nanostructures give rise to intriguing photophysical and photochemical effects, including the generation of hot charge carriers, local field enhancements, and photothermal transduction. These effects can be intentionally harnessed to drive or enhance interfacial molecular transformations along unconventional reaction pathways. The first part of the thesis focuses on the plasmon-driven …

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Family Mass Murder: An Exploratory Study Of The Role Of Arson, Rachel Rori Rodriguez Spradley Oct 2023

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 …

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Robocat: An Autonomous Surface Vehicle (Asv) For Near-Surface Hydrodynamic Measurements In Buoyant Plumes. Development And Case Study, Christopher Tom Papageorgiou Oct 2023

Robocat: An Autonomous Surface Vehicle (Asv) For Near-Surface Hydrodynamic Measurements In Buoyant Plumes. Development And Case Study, Christopher Tom Papageorgiou

Theses and Dissertations

The study of near surface processes in plumes and other stratified environments requires the collection of hydrodynamic and hydrographic data near the sea surface at high temporal and spatial (in the vertical) resolution. This need led to the design and development of a low-cost autonomous surface vehicle (ASV) equipped with a 5-beam acoustic Doppler current profiler (Nortek 1000 Signature) capable of measuring the vertical structure of both mean flow and turbulence dissipation rate (ε) as close as 30 cm below the sea surface. The ASV is a small catamaran-like platform propelled by four thrusters arranged in an Omni-X configuration, to …

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A Comparative Measure Of Judicial Legitimacy, Rahul Hemrajani Oct 2023

A Comparative Measure Of Judicial Legitimacy, Rahul Hemrajani

Theses and Dissertations

In the Federalist papers, Hamilton emphasized the vulnerability of courts as the weakest branch of government, lacking both the power of the "purse" and the "sword." Consequently, courts can secure compliance with their decisions only if people believe in the legitimacy of their actions. Courts that are seen as legitimate by the public can better prevent governmental overreach, enhance the rule of law, and protect democratic rights. However, there is no consensus on how to validly measure the legitimacy of courts. Additionally, existing research on legitimacy focuses on courts in the United States; we know little about judicial legitimacy in …

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Computerized Psychological Testing: Designing And Developing An Efficient Test Suite Using Hci And Reinforcement Learning Techniques, William Henry Hoskins Oct 2023

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 …

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Effects Of Chronic Stress On Working Memory Are Sex-Specific And Age-Dependent, Tyler Jamison Cox Oct 2023

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 …

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