Digital Commons Network^™

Post-Irradiation Fault Injection For Complex Fpga Designs, Nathan G. Baker

Theses and Dissertations

Fault injection is a common technique for estimating the impact of single-event upsets (SEUs) within the configuration memory (CRAM) of an FPGA design. Fault injection is typically conducted prior to a radiation test to evaluate the effectiveness of SEU mitigation techniques, estimate the FPGA design's behavior at the radiation test, and prepare the radiation test infrastructure. This thesis explores how fault injection can be used after radiation testing to reveal additional insight into an FPGA's behavior during a radiation test. A unique methodology, referred to as post-irradiation fault injection (PIRFI), was developed in which the locations and timestamps of CRAM …

Arabizi (Franco) In Egypt: A Study Of Features, Reasons, Attitudes, And Educational Influence Among Youth In Online Communication, Muhammad Wafa

Theses and Dissertations

This study explores the phenomenon of Arabizi (Franco) as it is employed by Egyptian youth in online communication, focusing on the sociolinguistic factors that influence language choice, particularly educational background. Through a mixed-methods approach, including quantitative analysis of an online questionnaire using inferential statistics and qualitative examination of text samples, this study investigates the most common language varieties used by Egyptian youth, the underlying reasons for Arabizi's adoption, attitudes towards its usage, and the salient features of this variety of online communication. The findings reveal that Arabizi is widely used among Egyptian youth from all educational backgrounds. It is especially …

A Qualitative Study To Determine Teacher Self-Efficacy In Active Shooter Incidents In One Catholic Secondary School, Albert Spiegel

Theses and Dissertations

Active shooter incidents in K-12 schools pose a significant threat to schools throughout the country. Presently, there is a gap in the existing literature regarding the readiness of Catholic secondary school teachers for active shooter scenarios, particularly in terms of assessing their self-efficacy levels for such incidents. The purpose of this qualitative descriptive embedded case study was to determine Catholic secondary school teachers’ sources of self-efficacy in responding to active shooter incidents and to explore how those sources of self-efficacy contributed to teachers’ active shooter preparedness. The aim of this study was to explore the sources of teachers' self-efficacy in …

A Multi-Model And Multi-Agency Approach To Expand The Flood Inundation Mapping Capacity Of The Us National Water Center, Samuel Jay Oldham

Theses and Dissertations

The most accurate numerical model for simulating flood extents of rivers has long been a subject of debate. While specialized models exist for specific hydraulic features, we advocate for the principle that the best model is the one the user is familiar with, has adequate data to support input requirements and limitations, and will consistently employ. To support this approach, we have developed a database schema optimized to store riverine flood inundation model output files. This schema is designed to assist U.S. cities, counties, states, and other flood management agencies in leveraging their existing model-generated flood maps, regardless of the …

Two-Key Dependent Permutation (Tkdp) And Its Applications In Information Security, Arulmani K

Theses and Dissertations

Two-Key Dependent Permutation (TKDP) algorithm for generating permutation sequences of fixed sizes, TKDP based Symmetric Block Cipher (TKDPSBC) and TKDP Audio encryption are being proposed in this thesis. TKDP algorithm is capable of generating different sequences for different key pairs. This makes it suitable for constructing dynamic S-boxes and P-boxes that have more degree of randomness and non-linearity to resist cryptanalytic attacks. Rigorous statistical tests validate the efficacy of the generated permutation sequences, affirming their suitability for cryptographic applications in conjunction with Fiestel network-based block ciphers. TKDPSBC encrypts a plaintext block into a ciphertext block of the same size. TKDP …

Nature-Based Education As A Learning Tool: Unleashing The Power Of Nature-Based Education In Egyptian Primary Schools. "The Effects Of Outdoor Learning And Open-Air Classrooms On Primary School Students In Egypt.", Nermeen Bekhiet

Theses and Dissertations

When learning modalities are tailored to each student's preferences and needs, academic success follows. This effect is contingent upon both individual and surrounding factors. Many schools in Egypt and the Middle East do not concentrate on how exposure to nature and nature-based learning can affect how the learner perceives his or her learning area. Most schools in Egypt have no exposure to nature to allow students to explore the world in their way; there is no room for diverse students to excel. Therefore, this exploratory research aims to reestablish a connection between private primary school students and the natural world …

Filipino American Parents' Experiences With The United States Special Education System: A Qualitative Study, Greyagail Custodio Surio

Theses and Dissertations

While there have been studies on Asian American (AA) parents' experiences with the U.S. special education (SPED) system, there have been no studies on Filipino American (FA) parents' experiences with the SPED system. As FAs are the third largest Asian group in the United States., there is a need for special education research to be conducted with this population. Interpretative phenomenological analysis (IPA) interviews were conducted over Zoom with FA parents of children receiving SPED services. Participants resided in various states in the United States (n = 10). Participants reported varied and nuanced experiences related to advocacy, working with the …

A Randomized Controlled Study Of Heart Rate Variability Biofeedback In An Older Adult Sample, Whitney D. Allen

Theses and Dissertations

Heart rate variability biofeedback (HRVB) is a controlled breathing treatment designed to increase the variation in consecutive heartbeats leading to improved regulation of one's autonomic nervous system thereby improving one's ability to self-regulate and maintain homeostasis. Changes in heart rate variability (HRV) are seen in those of increased age and lower HRV is associated with poorer outcomes (e.g., increased mortality, worse emotional functioning, cardiovascular risk factors). As such, older adults are a group that stands to benefit from HRVB principles. The current randomized control trial was designed to understand the impact of HRVB in an older adult population on resting …

Navigating Trauma: A Linguistic Exploration Of Bilingual Trauma Expressions, Amira Mahmoud Othman

Theses and Dissertations

This study explores the relationship between language, trauma, and emotional expression among bilingual Arabic-English speakers, focusing on code-switching patterns and euphemisms, and more broadly the emotional roles of native and non-native languages in trauma narratives. Through qualitative interviews with 20 Egyptian participants, the research reveals that code-switching serves as both a linguistic and emotional tool, allowing speakers to navigate trauma by creating distance or engaging more intimately. Such codeswitching patterns include the integration of English content words within Arabic structures, morphosyntactic innovations, and gender agreement applications, reflecting the creative adaptability of bilingual speakers in emotionally charged contexts, in line with …

Comparing The Quality Of Ai-Generated And Instructor Feedback In A University Writing Program, Hana Mohamed Nassar

Theses and Dissertations

Feedback is an undeniably important aspect of the language learning process. It helps students recognize their strengths and weaknesses and identifies ways they can improve. Over the years, feedback has been provided by teachers, peers and Automated Writing Evaluation (AWE) tools. However, in recent years, artificial intelligence applications have proliferated significantly. With abilities to analyze and generate any kind of content, these models are being used to generate scores and feedback on written assignments to help lighten teachers’ load. ChatGPT has been called “the world’s most advanced chatbot” and “a potential chance to improve second language learning and instruction” (Shabara …

Mir-125a-3p And Its Targets: Promising Biomarkers For Ovarian, Liver, And Breast Cancers, Offering A Beacon Of Hope For More Effective Diagnosis And Treatment Strategies, Eman Kamaleldien Anwer

Theses and Dissertations

Cancer is a worldwide health problem with various genetic and epigenetic alterations, resulting in disease heterogeneity. Effective diagnostic, therapeutic, and monitoring markers have been determined recently; however, new diagnostic, prognostic, and therapeutic markers are needed. MicroRNAs (miRNA), short non-coding RNAs, have a highlighted role in cancer progression, migration, and programmed cell death. Our study aims to investigate the significance of miR-125a-3p and its downstream targets in breast (BRCA), hepatocellular (HCC), and ovarian (OVCA) malignancies and their possibility as diagnostic biomarkers and targets for therapeutic agents. Bioinformatics and online tools were used to determine the miRNA-predicted downstream targets, analyze GEO datasets, …

The Shift To Visual News Consumption: Exploring Egyptian Users' Motivations, Behaviors, And Perceptions Of News Values, Credibility, And Recognition On Instagram As A News Source., Hussein Battah

Theses and Dissertations

With the evolution of visual social media such as Instagram, news consumption and dissemination became different, focusing on Visual and Graphic content. With the current political and social-economic challenges in Egypt and the Region, such as The war in Gaza and the Egyptian economic crisis, the need for simple and immediate news updates became essential. Instagram has now satisfied that need among various users, specifically youth. This paper explores how consuming news over "Instagram" has influenced Egyptian users' perception of News Values and their definition of what to consider news. The paper also studies how several sources on Instagram have …

National Efforts In Climate Change Adaptation In Agriculture: Assessing Policies And Practices In Egypt’S Nile Delta, Youssef Raafat

Theses and Dissertations

Climate change significantly threatens global security and environmental stability, impacting various sectors, especially the agricultural sector (IPCC, 2021). Climate change has already diminished Egypt’s agricultural productivity by 15 percent (Nassr et al., 2021). In response, the Egyptian government has intensified its efforts to increase agricultural practices adaptation, such as Egypt's 2050 Climate Strategy, the National Water Resources Plan (NWRP 2017-2037), and the NWFE program (NCCS, 2022; NWRP, 2017; NWFE, 2022). Nevertheless, the national policies and efforts remain underexplored in the literature, and their evaluations are not accessible to the public (Grindle, 2017). This research aims to assess the extent to …

Social Media’S Influence On Anti-Sexual Harassment Policies In Egypt (2014-2024)900, Yasmine Elleithy

Theses and Dissertations

The study examined the role of social media and women’s online activism in the development of anti-sexual harassment policies in Egypt, specifically from 2014 to 2024. Through employing a qualitative research method involving semi-structured, in-depth interviews, the study engaged different actors, including members of the parliament, the National Council for Women, female online activists, and women’s rights specialists. During this time frame, there has been a remarkable shift in the political, social, and legislative landscape, marked by significant restrictions on traditional activism and the enactment of laws addressing sexual harassment. Throughout this period of unprecedented changes, social media has emerged …

Predicting The Indirect Cost Of Construction Projects In Egypt: An Artificial Neural Network Approach, Aya Effat

Theses and Dissertations

Cost estimation is one of the vital processes in construction management that needs to be done early in any project in order to determine the project's budget. The accuracy of the cost estimate is a key factor in the success of construction projects since it enables project managers to successfully control the project’s expenses. Construction costs mainly consist of direct cost and indirect cost. Generally, indirect costs can be categorized into two types: site overheads and general overheads. In a construction project, overheads, particularly site overhead costs, make up a considerable portion of a contractor's budget. Accordingly, accurately estimating the …

Discretion, Deference, And Dysfunction: U.S. Refugee Resettlement From Egypt, Cassandra Mcclellan

Theses and Dissertations

This thesis investigates refugee resettlement from Egypt to the U.S., as facilitated by UNHCR Egypt and the U.S. Refugee Admissions Program (USRAP). Accordingly, the research questions ask what factors determine the volume and profile of refugees UNHCR Egypt submits to USRAP for resettlement, as well as the related determining factors for refugees rejected from and accepted to USRAP. A fourth research question examines the impacts of U.S. refugee policy on the resettlement system in Egypt, including on UNHCR Egypt and refugees. To answer these questions, the thesis first delves into the history of U.S. immigration and refugee policies, with a …

Internet Penetration And Firm Innovation In The Digital Era: A Sectoral Analysis Of U.S. Firms, Mariam Elgarf

Theses and Dissertations

This paper studies the effect of macro-level internet penetration on firm-level innovation in the United States, proxied by research and development expenditure. The IV approach is used to address the problem of potential endogeneity, covering data from 2000 to 2022 across five super industries: consumer goods and retail, energy and electricity, media and entertainment, financial services, and technology and telecommunications. The results show that internet penetration has a positive effect on the innovative performance of all sectors; however, this effect is more pronounced in the financial service and media sectors. Firm-specific characteristics also influence this relationship, such as debt-to-assets ratio, …

Integrating Planetary Health Into Public Health Education For Sustainable Healthcare Practices, Eman Aboualy

Theses and Dissertations

Introduction: Integrating planetary health in public health education became an urgent global call for action since the WHO announced that the climate change and environmental degradation are the most threat facing the humanity in the recent decades (1). According to that, many countries are developing strategies for counteracting and mitigating the impact of climate change and restore the planetary health. These strategies are including policy drafting and preparing their public health professionals to recognize and address the health effects of environmental change, promote practices for sustainable healthcare. Although Egypt is formulating different policies to cope with and respond to the …

“I Remember It...I Feel It” Place’S Intangible Identity: Explorations Through The Lens Of Micro-Phenomenology- Case Study Of Al-Sultan Hassan Complex, Sarah Mohamed El Zoheiry

Theses and Dissertations

In today’s contemporary architecture, the growing of anonymous and interchangeable spaces has diminished the distinctive character of the place, its individuality and experiential signification, fostering placelessness. This research argues that the framework of reconsidering place’s atmosphere offers a pathway to reconnect people with places through emotional, sensory, and embodied encounters. This research investigates the phenomenology of place, focusing on the atmosphere as an intangible identity that transcends physical attributes and engages people's senses and feelings. By exploring the Al-Sultan Hassan complex, the study deepens the understanding of the transcendental quality of the atmosphere, it’s unfolding over time, and it’s associated …

Rural Entrepreneurship In Upper Egyptian Communities: Exploring The Intervention Of Agri-Tech Startups, Marwa Wael Abohamda Hulail

Theses and Dissertations

Climate change and economic disturbance have changed the state of the world and increased the dependence on digitization in running people's daily life. In Egypt, the economic instability and climate change have affected people’s standard of living, making it challenging to sustain their life, especially in the agriculture sector. Farmers have been affected by the risks of climate change, economic shocks, and trends of digitization, which have impacted their profit, employability, and livelihood.

Several Egyptian Agri-tech startups were launched to support the farmers in the digital revolution that came to agriculture, attempting to make a change in the Egyptian farming …

Sustaining Private Higher Education Institutions’ Quality With Expandability And Inclusivity, Amal Salah

Theses and Dissertations

Abstract The private higher education sector in Egypt is rapidly expanding. The Government of Egypt (GOE) supports its growth by providing legislation and incentives with the main objective of offering high-quality higher education to the growing youth bulge. Private universities react to the successive economic crises by raising their fees in order to maintain the quality of education. In the absence of supporting financial schemes for individual students, the surge in fees perpetuates inequity in access to private higher education for the lower socio-economic strata of the Egyptian society. This paper aims to address a gap in research concerning the …

1 Studying The Determinants Of Successful Aging: Diet, Lifestyle, And Social Relations In Egypt, Fayrouz Shaltout

Theses and Dissertations

Abstract

Background

The global population is aging rapidly, with projections indicating that by 2050, one in six people will be over the age of 65. In Egypt, the aging population, particularly those aged 60 and above, is expected to grow significantly, posing a growing public health concern. Unhealthful diets (that are associated with overweight and obesity), are one of the main reasons associated with non-communicable diseases (e.g., diabetes and cardiovascular diseases) are major risk factors for poor aging outcomes. Despite this, there is limited research on the specific determinants of successful aging (SA) in Egypt, especially among individuals aged 50 …

Copyright Law And Metaverse: A Comparative Study Of Challenges And Opportunities Of The Egyptian Copyright Law Entering The Virtual Era, Ayat Khalaf

Theses and Dissertations

Metaverse invokes legal challenges of Intellectual Property Rights in a limitless world of imagination for both entertainment and business aspects. The virtual world requires special devices and technologies to be accessed such as VR (virtual reality) and AR (augmented reality) appliances. The creation and protection of these devices cannot operate without patents. Besides, the protection of their software and platforms goes through copyright protection. Moreover, this imposes a non-traditional sense of trademark protection for new categories of goods and services. The peculiarities of copyright in the metaverse lie in two main challenges: firstly, copyright in the virtual world is usually …

The Effect Of Age Of Acquisition On The Development Of Lexical Attainment And Oral Proficiency In English As L2 In Adult Native Arabic Speakers, Mona Ahmed Kamar El-Zaman

Theses and Dissertations

This study investigates the influence of the age of acquisition (AoA) on the development of lexical attainment and oral proficiency in English as a second language (L2) among adult native Arabic speakers, focusing on classroom foreign language learners within the Egyptian context. AoA, a critical variable in second language acquisition (SLA) research, is explored in relation to two key domains: lexical knowledge and oral proficiency. The study examines the role of AoA and AoA related effects, such as the order of bilingualism and the length of exposure to rich language input (LoE) as a confounding factor. Through a mixed-methods approach, …

Tailor-Designed Oxalic Acid-Crosslinked Poly(Vinyl Alcohol)/Chitosan Biodegradable Films For Active Food Packaging Applications, Reem Hazem Fathy Anwar Elaasar

Theses and Dissertations

Food packaging plastic waste is posing great threats to ecosystems, human health, and the planet's overall sustainability; therefore, research has been directed towards the fabrication of biodegradable food packaging materials. In this study, active and biodegradable oxalic acid (OA) crosslinked poly(vinyl alcohol) (PVA)/chitosan (CS) composite films of different weight ratios were synthesized via the solvent casting technique and their food packaging properties were investigated. Owing to its water resistance and antibacterial superiority, the composite film with the ratio of OA chemically crosslinked PVA/CS 80:20 was elected to be coated with green tea extract (GTE) to ameliorate its antibacterial and antioxidant …

A Collective History On Arkansas Regional Organ Recovery Agency (Arora) And Their Adaptation To Donation Culture, Tara Jones

Theses and Dissertations

Arkansas Regional Organ Recovery Agency (ARORA) is continually addressing the organ shortage in Arkansas by increasing organ and tissue donation rates in Arkansas. Hospitals, Funeral Homes, and other referral partners collaborated with ARORA in their efforts to increase organ and tissue donation. Interviews from former and current ARORA employees, along with data analysis, highlight how ARORA worked to honor Arkansans decision to be a registered donor while also improving the procurement of organs. The findings reveal how ARORA adapted to donation culture related to public, cooperation with referral partners, among other barriers to create ARORA’s mission of “Restoring Lives” This …

Hypergraph Association With Lie Algebra Of Upper Triangular Matrices And Its Application To Wireless Networks, Supriya S

Theses and Dissertations

A hypergraph is a generalized graph characterized by edges spanning more than one vertices describing multiple relationships among them. It provides a mathematical framework for comprehending and learning about a wide range of real-world challenges. On the other side, the theory of non-associative algebras, such as Jordan, Octonions, Malcev, and Lie, has found significant impetus in recent years. These structures proved intriguing from an algebraic standpoint; they generated novel concepts and approaches that aided in solving specific classic algebraic problems, also progressing towards application.

A preeminent observation that galvanizes this thesis is that hypergraph association is still unexplored in Lie …

Design And Modelling Of Advanced Power Converter Control For Harmonics Suppression And Energy Management, Jayant Sharma S

Theses and Dissertations

The quality of electrical power plays a crucial role in both industrial and domestic sectors. This issue becomes even more critical in systems that incorporate power converter-based loads, which are commonly integrated at the grid connection point. Motor drives and grid-integrated electric vehicle (EV) charging stations belong to a category of non-linear loads that inherently introduce substantial harmonic distortion into the current drawn from AC mains. This harmonic distortion adversely affects power quality, potentially leading to overheating and malfunctions in sensitive equipment across the grid. Furthermore, the widespread adoption of solar photovoltaic (PV) technology for EV charging stations has surged …

Bridging The Gap: Analyzing Volunteerism Barriers To The International Humanitarian Ngos In Egypt, Heba Fouad

Theses and Dissertations

In Egypt, volunteerism, within international humanitarian non-governmental organizations (NGOs), functions in distinctive characteristics influenced by, among other things, cultural, educational, and economic factors. NGOs face challenges and obstacles in attracting motivated volunteers, engaging and training volunteers, as well as managing the staff-volunteers relationship, and implementing adequate human resources (HR) policies and strategies. In this context, this thesis seeks to bridge the knowledge gap of volunteerism challenges in Egypt, delving deep into understanding the barriers existing within the international humanitarian NGOs that directly and indirectly influence its volunteer engagement levels. The thesis also aims to understand the successful implementation of policies …

Using Unmanned Aerial Vehicles To Facilitate Traffic Incident Management, Adam William Hill

Theses and Dissertations

Incident management teams (IMTs) minimize crash impacts and create a safer highway network for people and communities. Research has shown that optimizing the IMT fleet has strong benefits to the roadway network, but future models indicate that increasing IMT presence may have diminishing returns after excessive roadway saturation. The Utah Department of Transportation (UDOT) would like to improve situational awareness in areas of poor or limited camera coverage, where situational awareness is typically poor. UDOT is considering the use of unmanned aerial systems (UAS) to provide live camera coverage of traffic conditions in these instances. This thesis synthesizes practice from …