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Trauma And Crisis Counselor Preparation: The Relationship Of An Online Trauma And Crisis Course And Counseling Self-Efficacy, Julia Leigh Lancaster Dec 2022

Trauma And Crisis Counselor Preparation: The Relationship Of An Online Trauma And Crisis Course And Counseling Self-Efficacy, Julia Leigh Lancaster

Counseling & Human Services Theses & Dissertations

The field of trauma and crisis is growing and ubiquitous to all counseling specialties. Updates in 2009 and 2016 to the Council for Accreditation of Counseling and Related Educational Programs (CACREP) counselor preparation standards added mandated teachings on crisis, trauma, and disaster counseling in counselor preparation programs’ (CPPs) curricula. Since then, some CPPs have created stand-alone crisis courses, while the majority have infused various related content and trainings into already established counseling courses. Research does, in fact, support an increased crisis, trauma, and disaster readiness with more hours dedicated to the study and practice of domain specific content, and confirms …


Learning Curve Characterization Within Complex Low-Rate Production Environments, Robert J. Gies Dec 2022

Learning Curve Characterization Within Complex Low-Rate Production Environments, Robert J. Gies

Engineering Management & Systems Engineering Theses & Dissertations

Traditional and current learning curve approaches, methods, and theories were deficient when addressing complex low-rate production systems. The purpose of this research was to address this problem and develop a learning curve approach that characterizes learning in low-rate production environments such as naval ship construction. This research identified the principal aspects that influence learning within this environment and developed a learning characterization more reflective of this environment.

There obviously exists a large body of knowledge covering learning. However, the research contained herein addresses learning as it relates to learning curves in low-rate production environments, such as naval shipbuilding. The various …


Numerical Simulation Of Electroosmotic Flow Of Viscoelastic Fluid In Microchannel, Jianyu Ji Dec 2022

Numerical Simulation Of Electroosmotic Flow Of Viscoelastic Fluid In Microchannel, Jianyu Ji

Mechanical & Aerospace Engineering Theses & Dissertations

Electroosmotic flow (EOF) has been widely used in various biochemical microfluidic applications, many of which often involve the use of viscoelastic non-Newtonian fluids. Due to the existence of the elastic effect, the viscoelastic EOF develops into chaotic flow under extremely low Reynolds numbers, which is known as elastic turbulence. The mechanism of elastic turbulence in electroosmotic flow remains unclear. Numerical simulation plays an important role in understanding the mechanisms of elastic turbulence. This dissertation is aimed to study the EOF of viscoelastic fluids in constriction microchannels under various direct current (DC) and alternating current (AC) electric fields. First, the EOF …


Towards Privacy And Security Concerns Of Adversarial Examples In Deep Hashing Image Retrieval, Yanru Xiao Dec 2022

Towards Privacy And Security Concerns Of Adversarial Examples In Deep Hashing Image Retrieval, Yanru Xiao

Computer Science Theses & Dissertations

With the explosive growth of images on the internet, image retrieval based on deep hashing attracts spotlights from both research and industry communities. Empowered by deep neural networks (DNNs), deep hashing enables fast and accurate image retrieval on large-scale data. However, inheriting from deep learning, deep hashing remains vulnerable to specifically designed input, called adversarial examples. By adding imperceptible perturbations on inputs, adversarial examples fool DNNs to make wrong decisions. The existence of adversarial examples not only raises security concerns for real-world deep learning applications, but also provides us with a technique to confront malicious applications.

In this dissertation, we …


Development And Validation Of A Three-Dimensional Optical Imaging System For Chest Wall Deformity Measurement, Nahom Kidane Dec 2022

Development And Validation Of A Three-Dimensional Optical Imaging System For Chest Wall Deformity Measurement, Nahom Kidane

Electrical & Computer Engineering Theses & Dissertations

Congenital chest wall deformities (CWD) are malformations of the thoracic cage that become more pronounced during early adolescence. Pectus excavatum (PE) is the most common CWD, characterized by an inward depression of the sternum and adjacent costal cartilage. A cross-sectional computed tomography (CT) image is mainly used to calculate the chest thoracic indices. Physicians use the indices to quantify PE deformity, prescribe surgical or non-surgical therapies, and evaluate treatment outcomes. However, the use of CT is increasingly causing physicians to be concerned about the radiation doses administered to young patients. Furthermore, radiographic indices are an unsafe and expensive method of …


Machine Learning-Based Event Generator, Yasir Alanazi Dec 2022

Machine Learning-Based Event Generator, Yasir Alanazi

Computer Science Theses & Dissertations

Monte Carlo-based event generators have been the primary source for simulating particle collision experiments for the study of interesting physics scenarios. Monte Carlo generators rely on theoretical assumptions, which limit their ability to capture the full range of possible correlations between particle’s momenta. In addition, the simulations of the complete pipeline often take minutes to generate a single event even with the help of supercomputers.

In recent years, much attention has been devoted to the development of machine learning event generators. They demonstrate attractive advantages, including fast simulations, data compression, and being agnostic of theoretical assumptions. However, most of the …


The Importance Of Social Engineering, Jalaya Allen Nov 2022

The Importance Of Social Engineering, Jalaya Allen

Cybersecurity Undergraduate Research Showcase

Most people are afraid of being attacked when walking to their car, relaxing at home, or doing normal things like shopping. Though the unlikeliest of attacks have become one of the most dangerous. Just imagine someone having the ability to watch your every move online and virtually. They can find your credit card information, passwords, social security number and so much more. Then with that information, they can steal your identity and sell it on the black market as well as threaten you for money. Attacks like these use something called Social Engineering to trick the user into giving up …


Instructional Systems Design And The Diffusion And Adoption Of Technology: (Volume 1), Miguel Ramlatchan (Author & Editor), Mark Parsons (Author), Meghan Soldani (Author), Josie Joswick Mendoza (Author), Maria Satre (Author), Brittany Spitz (Author), Jasmine Bundy (Author), Amanda Kline (Author) Nov 2022

Instructional Systems Design And The Diffusion And Adoption Of Technology: (Volume 1), Miguel Ramlatchan (Author & Editor), Mark Parsons (Author), Meghan Soldani (Author), Josie Joswick Mendoza (Author), Maria Satre (Author), Brittany Spitz (Author), Jasmine Bundy (Author), Amanda Kline (Author)

Distance Learning Faculty & Staff Books

Instructional designers, instructional systems designers, and other educational technologists are, by their nature, innovators. These professionals apply and extend the applied science of learning, systems, communication, and instructional design theory to help students learn. Technology in some capacity is used to make the connections between subject matter experts, teachers, instructors, and their learners. It is common for instructional designers to seek new tools, techniques, and innovations for the improvement of learning, access, quality, and student satisfaction. However, the adoption and diffusion of new educational technology and innovation is a complex process that depends on many variables. Understanding these processes and …


Applications Of Blockchain In Business Processes: A Comprehensive Review, Wattana Viriyasitavat, Li Xu, Dusit Niyato, Zhuming Bi, Danupol Hoonsopon Nov 2022

Applications Of Blockchain In Business Processes: A Comprehensive Review, Wattana Viriyasitavat, Li Xu, Dusit Niyato, Zhuming Bi, Danupol Hoonsopon

Information Technology & Decision Sciences Faculty Publications

Blockchain (BC), as an emerging technology, is revolutionizing Business Process Management (BPM) in multiple ways. The main adoption is to serve as a trusted infrastructure to guarantee the trust of collaborations among multiple partners in trustless environments. Especially, BC enables trust of information by using Distributed Ledger Technology (DLT). With the power of smart contracts, BC enforces the obligations of counterparties that transact in a business process (BP) by programming the contracts as transactions. This paper aims to study the state-of-the-art of BC technologies by (1) exploring its applications in BPM with the focus on how BC provides the trust …


Questions To Advance Research On Equitable Coastal Resilience, Wie Yusuf Nov 2022

Questions To Advance Research On Equitable Coastal Resilience, Wie Yusuf

School of Public Service Faculty Publications

No abstract provided.


Recommendations For Encouraging Collaborations To Address Equitable Coastal Resilience Through Engaged/Applied Research And On-The-Ground Projects/Programs, Wie Yusuf Nov 2022

Recommendations For Encouraging Collaborations To Address Equitable Coastal Resilience Through Engaged/Applied Research And On-The-Ground Projects/Programs, Wie Yusuf

School of Public Service Faculty Publications

No abstract provided.


Emergency Management For Equitable Coastal Resilience, Wie Yusuf Nov 2022

Emergency Management For Equitable Coastal Resilience, Wie Yusuf

School of Public Service Faculty Publications

Summary: The discipline and practice of emergency management provide opportunities to promote equity in resilience. This may be accomplished by (1) expanding and deepening emergency management’s responsibilities to more explicitly incorporate mid-to-long-term recovery, and (2) advancing workforce diversity. Further, the prioritization of planning investments may promote more equitable recovery pathways for communities. Tracking of resilience investments and associated benefits across communities may provide opportunities to assess the equity of investments. Advancing resilience literacy and risk assessment among the citizenry may promote equity in resilience.


Research-Practice Collaborations To Address Equity Through Implementable, On-The-Ground Coastal Resilience Projects, Wie Yusuf Nov 2022

Research-Practice Collaborations To Address Equity Through Implementable, On-The-Ground Coastal Resilience Projects, Wie Yusuf

School of Public Service Faculty Publications

Summary. The discussion of research-practice collaborations to address equity through implementable, on-the-ground projects and programs converged around several interconnected themes that included: (1) prioritizing equity focus in defining and measuring projects’ success, (2) involving local communities in projects early on and through long-term monitoring, using interdisciplinary teams, and (3) incentivizing such projects through proper resourcing. Prioritizing equity in project measurement is only possible with the community’s involvement, and proper resourcing would ensure that community partners are resourced appropriately to support their resilience efforts.


Coastal Squeeze, Climigration, And Equity Implications, Wie Yusuf Nov 2022

Coastal Squeeze, Climigration, And Equity Implications, Wie Yusuf

School of Public Service Faculty Publications

Summary: Coastal squeeze is impacting communities across the United States. Agricultural lands are affected by groundwater salt intrusion, habitats are lost due to limited space for species to migrate inland, natural capital and flood protection values are impacted by reduction in undeveloped land for natural ecosystems, infrastructure such as transportation are affected by flooding, and insurance companies are withdrawing from covering properties in coastal communities experiencing sea level rise and flooding. Resulting ‘climigration’ is occurring, for example, in Puerto Rico residents moving off the island, and subdivisions in North Carolina and Virginia being turned over to conservation. Lower-income communities are …


Equity Concerns Underpinning Policy Analysis And Decision Making For Coastal Resilience, Wie Yusuf Nov 2022

Equity Concerns Underpinning Policy Analysis And Decision Making For Coastal Resilience, Wie Yusuf

School of Public Service Faculty Publications

Summary: Equity is increasingly becoming a consideration in resilience-focused policy. There is heightened interest in measuring how resilience policies, projects, and programs may impact equity. Equity may be advanced by a more inclusive policy process, well-developed communication channels, regular reference to the resilience research body of knowledge, and consultation with subject matter experts. There is need for increased clarity in the conceptual and operational definitions of equity, and consideration of the impact of resilience investments on a range of social and economic disparities.


Hydrological Drought Forecasting Using A Deep Transformer Model, Amobichukwu C. Amanambu, Joann Mossa, Yin-Hsuen Chen Nov 2022

Hydrological Drought Forecasting Using A Deep Transformer Model, Amobichukwu C. Amanambu, Joann Mossa, Yin-Hsuen Chen

University Administration Publications

Hydrological drought forecasting is essential for effective water resource management planning. Innovations in computer science and artificial intelligence (AI) have been incorporated into Earth science research domains to improve predictive performance for water resource planning and disaster management. Forecasting of future hydrological drought can assist with mitigation strategies for various stakeholders. This study uses the transformer deep learning model to forecast hydrological drought, with a benchmark comparison with the long short-term memory (LSTM) model. These models were applied to the Apalachicola River, Florida, with two gauging stations located at Chattahoochee and Blountstown. Daily stage-height data from the period 1928–2022 were …


The Impact Of Ethical Hacking Within Small Businesses, Nygia Tribbey Oct 2022

The Impact Of Ethical Hacking Within Small Businesses, Nygia Tribbey

Cybersecurity Undergraduate Research Showcase

The Internet has brought about a new way for businesses to reach their customers. With the help of social media, websites, and email marketing, small businesses have gained a lot of new customers. However, these new online customers have also opened up their businesses to a whole new world of cyber crime. Cyber crime is the illegal use of computers and networks to cause damage or steal information. This type of crime affects small businesses as well as large corporations. Small businesses often find themselves at a disadvantage because they don't have the resources to hire an ethical hacker or …


Illuminator, Volume 5, Issue 3, Batten College Of Engineering And Technology, Old Dominion University Oct 2022

Illuminator, Volume 5, Issue 3, Batten College Of Engineering And Technology, Old Dominion University

College of Engineering & Technology Newsletter

October 2022 issue of Illuminator, a monthly publication of ODU's Batten College of Engineering and Technology.


Chapter 02: Cognitive Load Theory And Instructional Message Design, Elisa L. Shaffer Oct 2022

Chapter 02: Cognitive Load Theory And Instructional Message Design, Elisa L. Shaffer

Instructional Message Design, Volume 2

Cognitive Load Theory’s (CLT) purpose is to aid in the design of messages, instructional and otherwise, so that learning and message retention are more effective. CLT was introduced in 1998 by John Sweller and his colleagues. They used the constructs of three areas of memory, sensory, working, and long-term memory, to develop a theory to address the limited capacity of working memory. Through these efforts, they created the concepts of intrinsic, extraneous , and germane cognitive load and used these concepts to explain how various loads are placed on working memory. The purpose of this chapter is to describe the …


Chapter 03: Multimedia Learning Theory And Instructional Message Design, Miguel Ramlatchan Oct 2022

Chapter 03: Multimedia Learning Theory And Instructional Message Design, Miguel Ramlatchan

Instructional Message Design, Volume 2

Multimedia learning theory describes how the designers of instructional messages, systems and learning environments can optimize learning. The principles and heuristics of multimedia learning theory have application in traditional and online environments, with young and adult learners, in K-12, higher education, military, corporate, government, and informal learning environments. This diversity of application is based on the foundational premise that all learners can independently process auditory and visual information, have limited working memory resources, and require cognitive resources to process new information and to learn. This chapter describes the basic tenets of multimedia learning theory, best practices that can improve our …


Chapter 10: Game Literacy And Message Design, Jim Shifflett Oct 2022

Chapter 10: Game Literacy And Message Design, Jim Shifflett

Instructional Message Design, Volume 2

The popularity of video games with today’s learners requires that educators and instructional designers develop game literacy, or an understanding of game mechanics and design. The purpose of this chapter is to discuss game literacy within the context of instructional message design and to illustrate how video game designers apply and adapt principles of instructional message design to manage cognitive load through an immersive experience. These techniques include customizing the screen to display only necessary information and signaling changes in gameplay through sound cues and cinematic perspective. Game mechanics that foster germane load include tutorial missions and interface design. …


Chapter 12: Perception In Instructional Message Design, Shuree Altantsetseg Oct 2022

Chapter 12: Perception In Instructional Message Design, Shuree Altantsetseg

Instructional Message Design, Volume 2

This chapter aims to discuss perception from various academic disciplines and its relations and effects on information processing in instructional message design. Improved awareness of this concept assists instructional designers in conveying their message effectively and improves effective instruction in immersive learning environments. In this chapter, Gestalt, neurological, ecological, and computational perspectives and processes on perception are first discussed and followed by applications in instructional message design and instructional design.


Chapter 08: Designing With Disabilities In Mind, Brittney Heath Oct 2022

Chapter 08: Designing With Disabilities In Mind, Brittney Heath

Instructional Message Design, Volume 2

Instructional message designs are everywhere, and not everyone that interacts with the messages do so with ease. We need to begin thinking about those with disabilities while we are creating our designs to make understanding the importance of each message easier for everyone. Some strategies that can be used are: chunking information, using one main theme, and visual supports. This chapter focuses on a few common disabilities that can easily be accommodated: Autism Spectrum Disorder, Specific Learning Disabilities, and Attention Deficit/Hyperactivity Disorder.


Chapter 09: Messaging For Performance - Instructional Message Design In Human Performance Technology, Bradley Sanders Oct 2022

Chapter 09: Messaging For Performance - Instructional Message Design In Human Performance Technology, Bradley Sanders

Instructional Message Design, Volume 2

Human performance technology (HPT) is the practice of applying systematic models and methods to uncover the causes of systemic performance issues, particularly within organizations. HPT seeks to improve human performance outcomes by placing an emphasis on the investigation of causal factors outside of training and education deficiencies; only looking for those causes after all factors outside of the individual have been exhausted. In these instances, instructional interventions are chosen to close the identified performance gap and improve performance. This chapter defines HPT as a practice and provides the professional foundation of prominent models and methods used to improve performance. In …


Using Ftir-Atr And Chemometric Methods To Detect Sucrose Adulteration In Commercial Honey Samples, Dylan T. Roberts, Kevin Kittredge Oct 2022

Using Ftir-Atr And Chemometric Methods To Detect Sucrose Adulteration In Commercial Honey Samples, Dylan T. Roberts, Kevin Kittredge

Virginia Journal of Science

Fourier transform infrared spectroscopy-attenuated total reflectance (FTIR–ATR) was used to analyze pure and adulterated honey samples. The FTIR spectra was analyzed using principal component analysis (PCA) and partial least squares (PLS) regression analysis to determine if these methods could differentiate between pure, commercial, and sucrose-adulterated honey samples. PCA showed a clear distinction between pure and adulterated honey samples. Commercial honey samples showed clustering around the unadulterated samples. PLS regression analysis correctly identified 81.8% of the standards and samples used in the PCA analysis. The five commercial samples were tested and shown to have a concentration of less than 3% adulterant, …


A Comparative Performance Analysis Of The Novel Turboaux Engine With A Turbojet Engine, And A Low-Bypass Ratio Turbofan Engine With An Afterburner, Kaleab Fetahi, Sharanabasaweshwara A. Asundi, Arthur C. Taylor Oct 2022

A Comparative Performance Analysis Of The Novel Turboaux Engine With A Turbojet Engine, And A Low-Bypass Ratio Turbofan Engine With An Afterburner, Kaleab Fetahi, Sharanabasaweshwara A. Asundi, Arthur C. Taylor

Mechanical & Aerospace Engineering Faculty Publications

Presented herein is a comparative performance analysis of a novel turbofan engine with an auxiliary combustion chamber, nicknamed the TurboAux engine, against a turbojet engine, and a low bypass ratio turbofan engine with an afterburner is presented. The TurboAux engine is an adaption of the low-bypass ratio turbofan engine, but with secondary combustion in an auxiliary bypass annular combustion chamber for thrust augmentation. The TurboAux engine is envisioned with the desire to facilitate clean secondary burning of fuel at temperatures higher than in the main combustion chamber with air exiting the low-pressure compressor. The comparative study starts by analyzing the …


Looking Through Their Lenses: An Analysis Of Virginia Environmental Nonprofits' Roles And Challenges In Shoreline Management For Coastal Resilience, Taiwo C. Olanrewaju Lasisi Oct 2022

Looking Through Their Lenses: An Analysis Of Virginia Environmental Nonprofits' Roles And Challenges In Shoreline Management For Coastal Resilience, Taiwo C. Olanrewaju Lasisi

School of Public Service Theses & Dissertations

Environmental nonprofit organizations have emerged to attend to the environmental needs of individuals and communities. Some of these needs are usually those that have been neglected, given insufficient attention, or cannot be singularly handled by the government. In advocating for coastal resilience, environmental nonprofits have been identified as actors who address coastal issues like sea-level rise, flooding, and shoreline management.

Shoreline management involves building setbacks and formulating short and long-term defense strategies such as building living shorelines, ripraps, bulkheads, and tree plantings. These strategies formed the basis of coastal defense in coastal zones. Shoreline management is a significant area of …


Monocular Camera Viewpoint-Invariant Vehicular Traffic Segmentation And Classification Utilizing Small Datasets, Amr Yousef, Jeff Flora, Khan Iftekharuddin Oct 2022

Monocular Camera Viewpoint-Invariant Vehicular Traffic Segmentation And Classification Utilizing Small Datasets, Amr Yousef, Jeff Flora, Khan Iftekharuddin

Electrical & Computer Engineering Faculty Publications

The work presented here develops a computer vision framework that is view angle independent for vehicle segmentation and classification from roadway traffic systems installed by the Virginia Department of Transportation (VDOT). An automated technique for extracting a region of interest is discussed to speed up the processing. The VDOT traffic videos are analyzed for vehicle segmentation using an improved robust low-rank matrix decomposition technique. It presents a new and effective thresholding method that improves segmentation accuracy and simultaneously speeds up the segmentation processing. Size and shape physical descriptors from morphological properties and textural features from the Histogram of Oriented Gradients …


Odu’S Storm Recovery Project Gets Boost From Dominion Energy, News @ Odu Sep 2022

Odu’S Storm Recovery Project Gets Boost From Dominion Energy, News @ Odu

News Items

No abstract provided.


Odu Economist Outlines Costs Resulting From Unchecked Sea Level Rise, Brendan O'Hallarn Sep 2022

Odu Economist Outlines Costs Resulting From Unchecked Sea Level Rise, Brendan O'Hallarn

News Items

No abstract provided.