Digital Commons Network^™

A Policy Perspective To Farmers' Adaptation To Water Scarcity: The Case Of Kafr El Sheikh, Egypt, Logine Ahmed

Theses and Dissertations

This study deals with Egypt’s growing challenge of water scarcity in relation to agriculture through understanding farmers’ perceptions and adaptation measures to water scarcity as they are the forefront users of water. Through qualitative research approach, fieldwork interviews with rice farmers in Kafr El Sheikh governorate in Egypt and in-depth interviews with water management experts were conducted to identify farmers’ perceived causes of water scarcity and their adaptation behaviors and practices in relation to the broader policy context of water management. The study revealed that farmers’ perceived causes of water scarcity are related to inefficiency and inequity of the institutional …

Design And Development Of Deep Eutectic Solvent Assisted Pressurized Liquid Extraction Of Nutraceuticals, Harish Babu B

Theses and Dissertations

Over recent decades, the usage of nutraceuticals has been exponentially increasing as alternates to pharmaceutical drugs. However, extraction of these therapeutically significant compounds from their corresponding sources requires the use of volatile organic solvents like hexane, ethanol and chloroform which increases the global warming potential. This problem has been overcome in recent decades by the use of supercritical carbon dioxide (SCO2) as the extraction solvent. Since SCO2 is non-polar in nature, the extraction of polar compounds with better efficiency is questionable.

On the other hand, modernization in solvent engineering has created generations of green solvents like ionic liquids (ILs), deep …

Hybrid Hydrolysis And Fermentation Of Prosopis Juliflora Pods For Biohydrogen Production By Dark Fermentation, Gayathri G

Theses and Dissertations

The rapid consumption of fossil fuels has resulted in the energy crisis and many environmental issues, including air pollution and the greenhouse effect. Hydrogen is the independent source of the highest energy content, with 122 KJ g-1. Biohydrogen produced from lignocellulosic biomass (LCB) is an excellent alternative fuel for its cleanability, renewability and sustainability. Biohydrogen production from dark fermentation using lignocellulosic biomass provides low cost and a sustainable pathway to utilize a vast amount of waste.

Dark fermentation has considerable potential for hydrogen production because it does not require sunlight, allowing for full-time operation and minimizing bioreactor complexity. The major …

Growing Trust-Building Habits Of Novice School Administrators: A Qualitative Research Study, Stacie France

Theses and Dissertations

A team of three novice school administrators adopted actions to develop teacher identified, trust-building habits. By developing trust-building habits, novice leaders reduced their cognitive load while navigating the fast pace of ever-changing American schools and striving to better serve students, especially students who are marginalized. The problem of practice addressed is that novice administrators need to uncover their trust-building strengths and address trust-diminishing habits. During a 90-day intervention, the novice administrators collectively grew the trust-building habit of accessibility and individually aimed to develop a trust-building habit of empowerment, care, or communication. Findings show novice administrators increased their understanding of trust, …

The Uses And Gratifications Of Social Audio-Focused Apps: A Case Study Of The Clubhouse Application, Dalia Abdelhamid Younes

Theses and Dissertations

Social audio has recently emerged recently as a new form of social media based on voice. It spread rapidly through the Clubhouse application, which became a significant trend during the COVID-19 pandemic. The study aims to explore Egyptian content creators' motivations to join Clubhouse, study their motivations to produce their content, and identify the gratifications obtained from using this application. It also seeks to investigate the application`s sustainability within the Egyptian context by outlining the challenges faced by the Egyptian content creators. The study employs the uses and gratifications theory, conducting in-depth interviews with 17 Egyptian content creators. The findings …

Exploring The Capacity Of The Egyptian Feminist Movement To Shape Policy Responses To Sexual Violence In Egypt, Gehad Raway

Theses and Dissertations

This study aims to contribute to the literature on feminist movements and its impact on public policies, providing insights and recommendations to strengthen the Egyptian feminist movement's capacity to combat sexual violence effectively. The study explores the capacities of the Egyptian feminist movement to shape policy responses to sexual violence over a timeline extending from 2005 to 2021, within the context of the significant social and political transformations that preceded and followed the January 2011 revolution. The Egyptian feminist movement evolved through its history with times of growth and decline, characterized by continuity and resilience. The literature and findings indicate …

The Implications Of Covid-19 Pandemic On Indoor Environments: Balancing Environmental Considerations And Wellbeing In Higher Educational Facilities, Farah Shoukry

Theses and Dissertations

In this dissertation, the evolving problems concerning Indoor Air Quality (IAQ), and Indoor Environmental Quality (IEQ) in learning environments are examined. The topic is inspired by the COVID-19 pandemic and aspires to document the lessons learned via a vast set of investigations for enhanced IAQ management and control. Specifically, within educational buildings, the challenge remains to better inform the design and management of educational facilities to foster healthier and more sustainable learning environments. There are emerging research topics related to IAQ post the COVID-19 – including but not limited to: architectural design considerations of university classrooms, increase in carbon footprint …

Exploring The Impacts Of Marketing Structure On Enrollment Yield In Higher Education, Mark D. Gibson

Theses and Dissertations

The ever-expanding role of marketing and its increasing influence on being a primary driver for colleges and universities to grow awareness and consideration, invite applications, and deliver enrollment yield is more critical and relied on than ever before. The marketing function’s rise to prominence in higher education is fueled by many external forces, including declining federal and state funding, rapid technological advances, changing student expectations, the precipitous reduction in numbers of potential college-aged students, and what this study refers to as the four C's facing higher education. These include consumerism, commoditization, commercialism, and corporatization, each with its own set of …

Power Allocation For Next Generation Iot Systems Using Cnoma, Srikamu C

Theses and Dissertations

The global Pandemic/COVID-19 keeps people connected through wireless commu- nication. The tremendous growth of mobile data traffic and an increase in massive IoT connectivity among different devices leads to a scarcity of wireless resources. One of the advancing technologies for the 5G Beyond communication network, Non-Orthogonal Multiple Access (NOMA), is used for M2M, V2V, and connecting low-power IoT devices. NOMA outperforms OMA schemes such as FDMA, TDMA, CDMA, and OFDMA of 1G, 2G, 3G, and 4G in terms of data rate, latency, and spectral efficiency. NOMA exploits the multiplexing of signals in the power domain with the same frequency/time, and …

" Does Educational Level Affect The Outcome Of Myocardial Infarction? ", Ahmed Magdy Ahmed Elsayed

Theses and Dissertations

Background: Heath awareness plays a major role in determining the outcomes of serious medical conditions specially when response time is crucial. STEMI patients are prone to serious compilations if they didn’t receive the appropriate treatment on time. Raising the health awareness of the community would result in seeking medical help at earlier stage of the disease. Earlier presentation to the medical center would result in better health outcomes. Certain factors form the health awareness of the community. This includes educational level, previous exposure to similar situations, and exposure to health awareness materials.

Methods: This is a cohort study in …

Improving Post-Secondary Credential Attainment: A Case Study Of Action Research In A Workforce Development Context, Peter James Selden

Theses and Dissertations

The purpose of this study was to understand what environmental, structural, group dynamic, programmatic, intermediate measure, or outcome measure factors influence the effectiveness of action research being used to improve postsecondary credential attainment for the Tulsa Talent Hub team. This case study focused on the perceptions of those team members that were involved in an action research or community-based participatory research project in Tulsa, Oklahoma, which was facilitated by a team of individuals from Impact Tulsa. The researcher examined how each member that was interviewed perceived overall impact and effectiveness of the action research process used. Through qualitative analysis, the …

Can Mirna Be The Missing Link Between Parkinson’S Disease And Pesticides?, Fatma Gobba

Theses and Dissertations

Parkinson’s disease (PD) is a common neurodegenerative condition that leads to significant morbidity and a decline in the quality of life. It develops as a consequence of the loss of dopaminergic neurons in the substantia nigra pars compacta. Nevertheless, the development of PD is influenced by environmental factors, and the intricate nature of these relationships is further complicated by a multitude of factors, including the genetic backgrounds that are specific to populations and variations in environmental exposures, such as pesticides. Pesticides, consisting of a diverse family of chemicals commonly used in both agricultural and household settings to protect crops against …

Unhcr Egypt's Impact On Refugees And Asylum Seekers: 2000-2020, Abdallah Bahar

Theses and Dissertations

This thesis examines the shifts in UNHCR Egypt’s practice and policy and their impacts on refugees and asylum seekers in Egypt. It focuses on procedures of reception, registration, refugee status determination (RSD), and resettlement. It also examines the changes in services provided to refugees and asylum seekers, such as health care, education, residency permits, and future change. In addition, the study explores the major reasons for these shifts and whether they are stimulated by the global refugee regime or other factors such as domestic legislation. The thesis attempts to answer the following two questions: 1) what are the shifts in …

Analyzing Illinois Licensure Testing System ( Ilts ) Content Exam And Pearson’S Educative Teacher Performance Assessment ( Edtpa ) Performance In Teacher Candidates Who Study Abroad, Derrek Drenckpohl

Theses and Dissertations

Study abroad programming has seen substantial growth at U.S. institutions of higher education over the past few decades and has cemented itself as an integral educational option at nearly all U.S. colleges and universities, including for students in teacher preparation programs. While a growing body of research shows evidence that teacher candidates who study abroad grow both professionally and personally, no study has analyzed whether such an experience could impact their professional readiness as measured by their performance on standardized assessments. Drawing upon institutional data at a large, public university in Illinois, this study sought to determine if teacher candidates …

Exploring The Potential Of E-Government In Reducing Corruption – Case Of Egypt, Mahinour Abou Elseoud

Theses and Dissertations

Many countries have recognized the significance of electronic work transition to application, frequently known as e-government, with the purpose of improving their bureaucratic performance and reducing corruption. From an economic standpoint, transparency may boost government efficiency as it increases the government capacity and, eventually, fosters good governance by reducing corruption and inefficiency. As a result, this study aims to analyze the correlation between e-government and corruption, as well as whether e-government reduced the detrimental effects of corruption on public trust. To accomplish this objective, the thesis focuses on in-depth interviews with citizens of all ages, socioeconomic and educational backgrounds, as …

Impairment Of The Glial Phagolysosomal System Drives Prion-Like Propagation Of Huntington’S Disease, Graham Davis

Theses and Dissertations

The ability of glia to tightly regulate neuronal health and homeostasis in the CNS is conserved across species. Yet, despite the ability to degrade protein aggregates, glia are vulnerable to the accumulation of neurotoxic amyloid aggregates during neurodegenerative disease progress, and even exacerbate their spread. A developing narrative highlights glia as a double-edged sword in neurodegenerative diseases: initially capable of dynamically responding to amyloid aggregate-ladened dying neurons but also capable of inducing chronic inflammation and creating seeding-competent amyloid oligomers. Thus, uncovering the mechanisms that allow glia to control aggregate deposition while preventing the neurotoxic effects and seed generation is vital …

Making Sense Of English Placement And Its Effect On Emergent Multilingual Students At An Emerging Hsi: A Critical Discourse Analysis, Samantha Glassford

Theses and Dissertations

Language acquisition support for Emergent Multilingual, or EML, students in community colleges across the United States does not receive as much attention in research as it does in K-12 schools and universities, despite the growing number of EML students enrolling in community colleges. With 25% of community college students being from immigrant backgrounds, these colleges - HSIs and EHSIs in particular - support for English language acquisition will need more attention and funding. The purpose of this study was to explore the sensemaking that occurred after the interruption of Guided Self-Placement, as well as the discourses present at an EHSI …

Mri Image Regression Cnn For Bone Marrow Lesion Volume Prediction, Kevin Yanagisawa

Theses and Dissertations

Bone marrow lesions (BMLs), occurs from fluid build up in the soft tissues inside your bone. This can be seen on magnetic resonance imaging (MRI) scans and is characterized by excess water signals in the bone marrow space. This disease is commonly caused by osteoarthritis (OA), a degenerative join disease where tissues within the joint breakdown over time [1]. These BMLs are an emerging target for OA, as they are commonly related to pain and worsening of the diseased area until surgical intervention is required [2]–[4]. In order to assess the BMLs, MRIs were utilized as input into a regression …

Cloud Ecosystem In A Box Security Services, Chirone Gamble Jr

Theses and Dissertations

The recent years have witnessed a remarkable surge in the use of large-scale data analytics, significantly advancing research in data-driven fields [1, 2]. While these innovative technologies offer the promise of accelerated research, they concurrently introduce new security and privacy challenges, complicating collaborative efforts among researchers. These challenges are ubiquitous across various research domains, particularly in the realms of data collection, analysis, and collaboration [3, 4]. Predominantly, existing data collection and analytics platforms prioritize performance over security. This prioritization compels users to rely heavily on their collaborators for adhering to all relevant security and privacy protocols. Often, researchers find themselves …

Impact Of Ableist Microaggressions On Dis / Abled Youth: Perceptions Of School Climate And Academic Motivation, Nitza M. Torres Gonzalez

Theses and Dissertations

Ableist microaggressions are often subtle and covert negative attributions and behaviors towards people with dis/abilities that perpetuate stereotypes and inequities (Conover et al., 2021). Although limited research exists that has explored the impact of ableist microaggressions, some scholars have noted similar findings to studies to that have focused on racial microaggressions. Specifically, exposure to ableist microaggressions has been associated with negative mental health outcomes and increased negative affect, feelings of exclusion, and low academic performance and self-concept (Kattari, 2017; Kattari, 2020; Keller & Galgay, 2010; Lett et al., 2019; Nadal et al., 2014; Storey, 2007). Most of these findings have …

Stacking And Intersecting Nutrient 4rs On Potato, Samuel Hamilton Stapley

Theses and Dissertations

The 4Rs of nutrient management is a global agronomic initiative with an aim to improve the sustainability of major cropping systems and the environment. The objective for this project is to evaluate individual and stacked 4R management practices and how they intersect. A field trial near Grace, Idaho was conducted on potato (Solanum tuberosum L.) in 2020 and 2023. Nitrogen (N) fertilizer treatments included all combinations of two sources [urea or polymer coated urea (PCU)], two rates (82 or 100% of the recommended rate), and/or two timing/placements (all applied at emergence or 84% at emergence + 16% fertigation simulation) compared …

Kodai: Framework Towards Data Augmentation Of Large Language Models In Machine Learning, Rick Rejeleene

Theses and Dissertations

Machine Learning is rapidly advancing at an incredible pace due to an increase in computational size, and availability of data. Data is the cornerstone of machine learning algorithms. Information quality has a profound impact on the performance of machine learning systems. Supervised, Unsupervised, and Reinforcement learning are three major ways of performing machine learning. Self-supervised learning, part of unsupervised learning, has made breakthroughs in engineering and research by using Large Language Models (LLM). LLM are a type of neural network, used for language understanding and generation. Recently, LLM has taken a distinct lead by demonstrating state-of-the-art capabilities in natural language …

Foster Care, Aces, And Social Communication Development: A Mixed Methods Study, Caroline Marie Giuffre

Theses and Dissertations

A childhood spent in foster care has been linked to various adverse childhood experiences (ACEs) including neglect, maltreatment, and physical abuse. The presence of ACEs has the potential to negatively impact neurological development. Our study seeks to inform practicing speech-language pathologists on the potential risks of a history of foster care on the pragmatic domain of language: social communication. The current literature focuses more on general language development, such as expressive language or the prevalence of language delays. This article details our use of a survey study given to adoptive parents of foster children on their child’s social communication abilities. …

Fiscal Administration Versus Fiscal Policy: An Investigation Into The Determinants Of The Real Tax Revenues From Consumption Tax In Egypt, Nariman Zahran

Theses and Dissertations

This thesis highlights the importance of fiscal administration relative to fiscal policies. It presents a broad view of the developments in both fields and tests their effects on real revenues from consumption tax in Egypt from fiscal year 2002 till 2023. It initially explains the proxies used for fiscal administration: the size of the tax base and the collection lag. The major fiscal policy change in Egypt was shifting from sales tax to Value-Added Tax (VAT) during fiscal year 2016/17. The effects of fiscal administration and fiscal policy on real tax revenues will be assessed using the Autoregressive Distributed Lag …

Customer Churn Prediction Based On Sentiment Score, Shadha Al-Safi

Theses and Dissertations

In recent years, the telecommunications industry has witnessed intensified competition, wherein the expense associated with acquiring new consumers exceeds that of sustaining existing ones. Consequently, predicting customer churn prior to its occurrence has become essential. This study proposes a sentiment-based customer churn prediction model in which the sentiment of customers is predicted using Random Forest. Subsequently, the derived sentiment predictions are combined with additional features to predict customer churn. The ensemble technique is applied to predict churn, consisting of K-nearest neighbors, Support Vector Machines, Random Forest as base learners, and Multiple Layer Perceptron as a meta learner. Moreover, mutual information …

Social Movements And Resistance: Extinction Rebellion Against Dominant Structures, Samira M. Eltiby

Theses and Dissertations

Public dissent is the outcome of governments inaction regarding issues that populations deem as necessary. Social movements are groups that emerge due to dissatisfaction with the status quo that is presented by the current neoliberal world order. The new social movement that is studied in this thesis seeks emancipation, freedom, environmental justice and action, and the dismantlement of neoliberal capitalism as a system of production. This thesis examines the relevance of Gramscian analysis to the study of new social movements, with a focus on Gramscian hegemony and leaderless movements. The thesis uses Extinction Rebellion (XR), a UK-based movement that adopts …

New Mathematics Teachers' Goals, Orientations, And Resources That Influence Implementation Of Principles Learned In Brigham Young University's Teacher Preparation Program, Caroline S. Gneiting

Theses and Dissertations

Research in mathematics education shows that new mathematics teachers struggle to implement reform teaching practices that they learned in their teacher preparation programs. In this study, the researcher observed and interviewed three new mathematics teachers (within five years of graduation) to further explore the question of why new teachers use or do not use what they learned in their teacher preparation program. The study uses an expanded version of Schoenfeld's decision-making theory of Orientations, Goals, and Resources. This theory proved useful in the analysis of the research data, providing a framework to incorporate and organize the numerous reasons suggested by …

Systems Efficacy For School Improvement: Creating A Highly Effective, Achievement Centered School Team, Angela Codron

Theses and Dissertations

This study examined a differentiated, bottom-up approach to school improvement planning through exploration of the qualities that make up a highly effective school department team as it related to their ability to create and meet a student-centered, data driven high achievement goal. While there are a multitude of factors that affect the ability of a team to be effective, this study focused on a measure of trust within the department teams as a basis for choosing a department that exhibited high trust levels for further investigation. The study was able to connect qualities valued by a highly effective school team …

Rethinking Female Genital Cutting Through Postcolonial Lens, Erika Carvalho

Theses and Dissertations

Due to global instabilities, the resulting international displacement and rising inter- cultural tensions within Western societies have relocated gendered cultural practicesat the center of contemporary debates on multiculturalism, social cohesion and migration. In this context, female genital cutting (FGC) has re-emerged as a symbol of savagery, portrayed as a symbol of “otherness”, a true global violation of women’s rights. While the increasing attention given to these practices is a testament to reinvigorated feminist activism, FGC has also been harnessed for the purposes of reproducing colonial discourses about the “Third World”, which have been integral to the revival of many policies …

Degradation Of The Mechanical Properties And Hydrogen Generation In Cement Under Gamma Irradiation Assessed By Atomistic Simulation, Omar Al Najjar

Theses and Dissertations

Although understanding the effect of the gamma-ray on cement-based materials is essential for many applications, such as the concrete contaminate of nuclear reactors or the storage of radioactive waste in cement-based waste forms, such understanding is still not fully developed. The importance of having such an understanding is becoming of utmost importance, especially with calls to extend the lifetime of nuclear power plants, and also due to some recent incidents of failures of the concrete structure in the nuclear fields. In this work, the details of preparing three molecular models as a representative structure of the main binding phase of …