Digital Commons Network^™

Conceptions Of Latinos And Latinas About The Grieving Process And Associate Concepts Of Dying, Death, Bereavement, And Loss: A Covid-19-Post-Pandemic Case Study, Rosario Garcia Ortiz

Dissertations

The purpose of this study was to recognize the grieving process and the related concepts of Latinos who lost a loved one to the COVID-19 pandemic. Death and dying have been studied in the United States, with limited studies focusing on the Latino culture. The COVID-19 pandemic was a devastating experience for the world and continues to be studied for understanding and lessons in the aftermath. This research included four participants from the Latino culture who lost a loved one during the COVID-19 pandemic. An inductive approach and data analysis were used to form theoretical constructs. Three main categories were …

Use Of Cement-Free Geopolymer Composites In Different Construction Applications, Joud Mohamad Hewalla

Dissertations

The demand for sustainable and eco-friendly construction materials has driven significant interest in the development of cement-free Geopolymer (GP) composites. A comprehensive scientometric analysis was conducted, highlighting a steady increase in research on geopolymer materials since 2013, with fire resistance, corrosion protection, and repair being the most studied applications. However, gaps remain in areas like 3D printing, heavy metals absorption, rehabilitation and repair, screed flooring, and shotcrete. The review emphasized the need for further investigation into lifecycle assessments and the potential use of diverse alumina- and silica-rich binders to enhance the environmental and mechanical properties of geopolymers. Accordingly, this thesis …

الحماية الجزائية للأطفال من المواد الإباحية (دراسة تأصيلية تحليلية مقارنة), Hamed Ahmed Alderei

Dissertations

Criminal Protection of Children from Pornographic Materials: A Comparative Analytical Study

This dissertation investigates both the substantive and procedural criminal protections for children against pornography, focusing on the national legislations of the United Arab Emirates. The UAE legislator has implemented these protections through the Child Rights Law ("Wadeema") and the Law on Combating Rumors and Cybercrimes. In contrast, Jordan and Egypt have each taken a singular approach, with Jordan addressing the issue under the Cybercrime Law and Egypt through the Child Rights Law. The study examines the broader scope of the UAE's criminal protection measures and their application in courts, …

The Implementation Of Stream In Mathematics Classrooms In Abu Dhabi Primary Schools: Prospects, Priorities, Processes, And Problems, Nadeia Rashed Alalawi

Dissertations

This study shed light on implementing science, technology, reading and writing, engineering, art, and mathematics (STREAM) in mathematics classrooms in Abu Dhabi primary schools. The study aimed to explore mathematics teachers’ views on the prospects, priorities, processes, and problems of the implementation of STREAM in their classrooms. The study employed qualitative methods to collect and analyze data to support the findings using interviews, classroom observations, and document analysis. Fifteen in-service mathematics teachers were interviewed to explore their views about the application of STREAM in their classrooms regarding prospects, priorities, processes, and problems (4 Ps). Then, three of them were observed …

Navigating The Beliefs, Practices, And Challenges Of High School Principals And Teachers Within Culturally Diverse Contexts: A Mixed-Method Study, Mouza Alketbi

Dissertations

The main objective of this study is to understand the practices, beliefs, and challenges related to cultural diversity among high school principals. It also examines the cultural diversity practices of high school principals from the perspective of teachers, as well as the challenges they encounter when interacting with principals and teaching staff. The study used an exploratory sequential mixed method design, incorporating both qualitative and quantitative methods to gain a better understanding of how high school principals handle their culturally diverse teachers. The first phase involved qualitative research, where (n=5) principals and (n=7) teachers were purposively selected. Semistructured interviews were …

Trauma-Informed Teaching In Uae Schools: Investigating Teachers’ Experiences And The Effect Of A Cognitive Behavioral Intervention For Students Affected By Trauma, Hadeel Mohsen Saleh

Dissertations

This study explores UAE teachers’ experiences and knowledge regarding trauma-informed teaching and assesses the effectiveness of a cognitive-behavioral intervention for two elementary school students with Posttraumatic Stress Disorder (PTSD) in a general classroom setting. It also examines parents’ perceptions before and after the intervention. The study addresses two primary concerns: 1) the preparedness of UAE teachers to support trauma-affected students in schools, and 2) the efficacy of a targeted cognitive-behavioral intervention aimed at improving students' emotional regulation and behavioral outcomes. Using an exploratory sequential design, qualitative data from seven semi-structured interviews with UAE teachers revealed a significant gap in training …

Structural Behavior Of Corroded Reinforced Concrete Beam Elements Repaired With Fabric-Reinforced Matrix Composites, Youssef Ibrahim Elmezayen

Dissertations

Advanced methods for rehabilitation of reinforced concrete (RC) beams with corroded reinforcement were designed and implemented in this research. The nonlinear flexural and shear behaviors of RC beams with corroded reinforcement repaired with fabric-reinforced matrix (FRM) composites were investigated. Numerical simulation models were developed to predict the flexural response of flexure-deficient continuous RC beams before and after repair with FRM composites. A novel sustainable repair solution that involves the use of cement-free geopolymeric matrix reinforced with nonmetallic fabrics was also introduced for rehabilitation of shear-critical RC beams with corroded stirrups. Simplified and easy-to-use analytical approaches were adopted to estimate the …

Genomics Insights Into Anti-Platelets Therapy: Unraveling Of Variants And The Implementation Of Clopidogrel-Guided Therapy In The United Arab Emirates, Lubna Qasem Khasawneh

Dissertations

Anti-platelet therapy is a cornerstone in the management of cardiovascular diseases such as Acute Coronary Syndrome (ACS) and stroke. These medications are essential for reducing the risk of thrombotic events by preventing platelet aggregation. However, variations in cardiovascular pharmacogenes can significantly impact the metabolism, efficacy, and safety of anti-platelet therapies, making personalized medicine increasingly important for optimizing treatment outcomes. Pharmacogenomic testing has emerged as a crucial tool in tailoring anti-platelet therapy, particularly for patients with subtherapeutic responses due to genetic factors. While extensive research has been conducted globally to identify and study the effect of the pharmacogenomic variants that influence …

Optimizing Photoacoustic Imaging With Advanced Reconstruction Techniques: Compressive Sensing And Deep Learning, Mary Anjaley Josy

Dissertations

Photoacoustic Tomography (PAT) is a noninvasive medical imaging technique that combines the advantages of optical imaging and ultrasonic detection, offering deep tissue visualization with high resolution. Despite its potential, the effectiveness of PAT is dependent on the accuracy and efficiency of the underlying imaging algorithms. This thesis aims to enhance the resolution and speed of PAT imaging through the integration of compressive sensing (CS) and deep learning techniques, targeting both full-view and limited-view sensor configurations. Two model-based CS iterative algorithms are developed: relaxed-basis pursuit via alternating direction method of multipliers (rBP-ADMM), and split Bregman total variation (SBTV) formulation. Additionally, Plug-and-Play …

Mouse Mammary Tumor Virus (Mmtv) Genomic Rna (Grna) Packaging: Selective Grna Encapsidation Is Facilitated By Long-Range Interactions (Lris) That Facilitate Specific Gag Binding, Suresha G. Prabhu

Dissertations

Mouse mammary tumor virus (MMTV) is a betaretrovirus that induces breast cancer and sporadically, T-cell lymphomas in mice. MMTV serves as a pertinent model for elucidating the mechanism(s) of oncogenesis and the genetics associated with the development of mammary tumors. Being a rodent retrovirus, MMTV is phylogenetically distant from human and other primate retroviruses; thus, positioning it ideally as a potential vector of choice for human gene therapy. This may circumvent safety concerns such as recombination with other related endogenous human retroviruses. In addition, MMTV is distinct from most other retroviruses, but similar to lentiviruses, in that it has the …

Factors Influencing Innovative Behavior Of Higher Education Students In The United Arab Emirates: An Exploratory Study, Saleha Omer Alseiari

Dissertations

Innovation in the higher education sector is globally recognized as a driving power behind a country's socioeconomic and technological development. This quantitative study explores the primary influences on the innovation of college students in the UAE. Four research goals were proposed: (I) exploring potential input from innovative faculties; (ii) assessing the impact of curriculum excellence; (iii) examining the consequences of students' social abilities; and (iv) researching the moderating impact of supportive leadership. The research also seeks to create a theoretical model connecting various key elements that promote an environment of innovation in the higher education sector of the UAE based …

Role Of B Cell Mediated Immune Response During Skin Atopic Dermatitis Disease, Hidaya Mohammed Abdul Kader

Dissertations

Atopic dermatitis (AD) is the most prevalent non-infectious skin allergy affecting approximately 10-30% adults and 40% children worldwide. It is clinically characterized by eczematic lesions and elevated IgE levels and is a multifactorial disease that is heterogenous in nature. AD results in a dominant Th2 polarized immune response. Until date, there is no cure for this disease. B cells are key players of humoral immune responses and contribute significantly to allergic responses through IgE secretion. However, recently a subset of B cells termed regulatory B cells (Bregs) have been reported to provide protective role by the secretion of anti-inflammatory cytokine …

The Effect Of Work-Life Responsibilities On The Well-Being Of Female Employees: A Uae Case Study, Mouza Mohamed Alqubaisi

Dissertations

This study examines the possible conflict between work commitments and family obligations and its implications for working women's well-being. In this respect, in-depth interviews were held with a sample of twenty female employees working in different departments of the Abu Dhabi Government. The collected qualitative data have been analyzed through frameworks drawn from the concepts of the Work-Life Balance (WLB) and the Work-Family Conflict (WFC), specifically considering the Job Demands- Resources (JD-R) and the Conservation of Resources (COR) theories. The findings probably indicate that working women encounter substantial challenges in their daily work, such as long working hours, lack of …

Tackling Toxicity And Harassment In Online Environments Through The Use Of Artificial Intelligence, Heba Saleous

Dissertations

With the increase in popularity of online communities, such as social media platforms, online games, and chatroom servers, there is a need to improve chat and content moderation. Platforms have reported an increase in the prevalence of toxic behavior and hate speech. Meanwhile, moderators are reporting difficulties in keeping up with the amount of data to check as well and the type of content they are exposed to, which further harms their own mental health. The main objective of this work is to address the challenges that exist within online communities with the rising prevalence of hate speech. Additionally, some …

The United Arab Emirates Birth Cohort Study: A Pilot Examination Of Maternal And Infant Health Outcomes, Sharon Mutare

Dissertations

The first 1,000 days of life represent a critical window for influencing optimal fetal growth and establishing lifelong health foundations. Recent evidence underscores the significant association between maternal health and nutrition during this period and the subsequent risk of non-communicable diseases, which are responsible for 74% of global deaths. Despite the rapid globalization and urbanization experienced in the United Arab Emirates in recent years, there remains a paucity of research on how maternal health and nutrition impact perinatal outcomes among Emirati women.
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Human Resource Practices And Employee Outcomes: An Examination Of Performance, Satisfaction And Diversity Climate In The Hospitality Sector Of Saudi Arabia, Tareq Abdullah Al-Jammaz

Dissertations

Tourism and related industries have become essential economic activities that play a significant role in the development, prosperity, and well-being of a country. The tourism and hotel sector in the Kingdom of Saudi Arabia (KSA) is currently undergoing significant development to diversify the national economy in line with the KSA Economic Vision 2030 Initiative. To align this sector with international standards in terms of job satisfaction and performance, human resource management practices (HRMPs) play a key role in determining the job satisfaction of employees in their various work environments. HRMPs include various job-related activities, training and development (T+D) programs, rewards, …

Performance Of Pervious Geopolymer Concrete Made With Locally Available Recycled Concrete Aggregates In An Arid Environment, Faizu Habibu Anwar

Dissertations

This dissertation aims to develop sustainable pavement materials to address environmental challenges in arid environments, specifically in the United Arab Emirates (UAE). These challenges include the depletion of natural resources, excessive cement production, industrial waste accumulation, and stormwater runoff flooding. Cement-free pervious concrete made with geopolymer and recycled concrete aggregates (RCA) are presented as sustainable solutions to these issues. The porous nature of pervious concrete reduces stormwater runoff while using RCA and geopolymer reduces dependence on limited natural resources and mitigates the environmental impact of cement production by incorporating industrial waste materials. In this thesis, the use of pervious geopolymer …

How Do Lgbt Employees Assess Their Firm’S Organizational Culture Regarding Lgbt Leadership?, Philippe Honore

Dissertations

This study explored Lesbian, Gay, Bisexual, and Trans (LGBT) employees’ perceptions and assessments of their firms’ organizational cultures and, in particular, the opportunities within the culture that can lead to upper management positions for those who identify as LGBT. The research sought to understand the extent to which inclusivity efforts are reflected in real career progression opportunities for openly LGBT employees working in San Diego County. Employing a convergent parallel mixed-methods research design, the study incorporated quantitative surveys and qualitative interviews to achieve a comprehensive understanding of participant’s perspectives and experiences. The decision to use both methods allowed the research …

The Meaning-Making Of African American Leaders In Technology Organizations, James Hooks

Dissertations

Purpose: The purpose of this mixed-methods study is to identify and describe behaviors that reflect the character, inspiration, relationships, vision, and wisdom that African American technology leaders use to create personal and organizational meaning for themselves and their followers. It was also the purpose to rate how followers perceive their leader’s behaviors related to character, inspiration, relationships, vision, and wisdom in creating personal and organizational meaning.

Methodology: The qualitative portion of this mixed-method study involved face-to-face interviews with African American technology leaders, while the quantitative segment consisted of electronic surveys completed by their followers. The quantitative survey assessed followers’ perceptions …

Leveraging Social Practices In The 11th Grade American Literature Classroom: Video Games As Texts, Alora Moser

Dissertations

This quasi-experimental study explores the effectiveness of using a video game as a text in high school narrative instruction, testing Lave and Wenger’s (1991) situated learning theory, which posits that learning is a by-product of social interaction. This study seeks to bridge the gap between literacy practices at home and in school (Beavis, 2014; Ladson-Billings, 1995), effectively acknowledging students’ cultural capital, including multiliteracies (New London Group, 1996) and affinity spaces (Gee, 2013) in privileged academic settings such as the Georgia Milestones American Literature End of Course assessment. 11^th grade American literature students in a suburban Georgia high school were …

Pre-Service Teachers Conceptions Of Equity In Secondary Mathematics Education, Mariah Walton

Dissertations

This study investigated how pre-service mathematics teachers (PSMTs) understand equity-based pedagogies and apply equity-based pedagogical methods in their instructional planning. A central goal among educators is improving the academic achievement of racially minoritized groups, such as Black and Latinx students, who are often overlooked by traditional pedagogies. This goal has shaped the foundation of culturally relevant pedagogy and other equity-based teaching approaches. This research study focused on the intersection of equity-based pedagogical methods and secondary mathematics teaching and learning involving PSMTs in the third year of their teacher education program. Through an analysis of a discussion post assignment, a focus …

Bridging The Gap And Shaping Behavior: Applying Gilbert’S Behavioral Engineering Model To Explore The Role Of A Parent-Teacher Communication Tool On Parental Involvement, Christina Holtapp

Dissertations

This study investigated the environmental and behavioral factors influencing parent-teacher communication in a rural high school setting. The research used a mixed-methods approach, incorporating surveys and focus groups with parents and teachers, to explore using the mobile communication app ParentSquare. The findings reveal a generally positive perception of ParentSquare among parents, who appreciate its convenience, centralized communication features, and ability to connect with teachers. However, initial login difficulties and limited internet access in remote areas were also identified. The study also identifies a discrepancy between parents' perceived importance of involvement and their actual participation, suggesting a need for schools to …

Fear, Distress, And Dissociation: Correlates Of Physiological Hyporeactivity After Interpersonal Victimization, Natalia Kecala

Dissertations

Background and Objective: Despite consistent findings of high reactivity to trauma cues in PTSD, there exists a consistent subset of physiological nonresponders who exhibit more complex and severe posttraumatic symptomatology. Research has identified different patterns of defensive reactivity representing Fear (core) and Distress (complex) PTSD symptoms. However, no studies have directly compared responders and nonresponders on physiological and clinical symptoms posttrauma.

Method: 66 adult women who had experienced first-degree sexual or physical assault within the last month were categorized using heart rate reactivity (HRR) to two personalized trauma scripts. Participants exhibiting negative HRR to both scripts were classified as nonresponders …

Hearing Their Stories: Tailoring Human Resources Strategies For Onboarding, Job Satisfaction, And Retention Of Veterans With Disabilities In The Civilian Workforce, Brian Newsom

Dissertations

Tailored HR strategies play an important role for veterans with disabilities (VWD) as they transition from the military to civilian employment by enhancing their job satisfaction and improving their retention. The literature review helped identify the challenges VWD face during their transition, such as health or mental health problems, cultural adjustment difficulties, and onboarding that is not inclusive. The primary research objective of the study was to determine effective HR strategies to improve the onboarding process for VWD, increase their job satisfaction, and grow their retention rates. Qualitative methods enabled the capturing of data from in-depth interviews with 31 former …

Reducing Restraint Use And Workplace Violence With The Broset Violence Checklist, Alexandria Anderson

Dissertations

Problem: Psychiatric mental health nurses have an increased rate of workplace violence due to the acuity of patients they care for. When aggressive behavior cannot be resolved verbally, physical methods such as restraints may be utilized. Restraint use can result in unwanted consequences for both the patient and the nurse. Predicting risk of violence can be useful at reducing violence and restraint use through early risk identification.

Methods: The Broset Violence Checklist (BVC) was implemented as a way to predict aggression risk in an in-patient psychiatric unit within a mid-western hospital. This study utilized a pre- and post-intervention approach to …

Under The Surface Of Perfectionism: A Qualitative Examination Of Perfectionism In Women Leaders, Rachelle Martin

Dissertations

This qualitative study explores the manifestations and management of perfectionism among women leaders, framed through the lens of conservation of resources (COR) theory. By examining the experiences of women across various industries, the research highlights how perfectionism can act both as a strength and a challenge, depending on resource availability and self-awareness. The findings emphasize the compounded pressures faced by women, particularly women of color, and the significant role of self-awareness, coping mechanisms and mitigation techniques. Participants revealed how resource depletion may contribute to heightened perfectionistic tendencies, which subsequently may impact career outcomes. Self-awareness emerged as a moderating factor that, …

Acculturation And Attitudinal Disposition Of People From India Living In The United States Toward Mental Health Services, Santhosh Jose Adhikarathil

Dissertations

Acculturation experience and attitudes toward seeking mental health services among Asian Indian Americans, an ethnic minority group, are predominantly underrepresented in current literature despite their increasing number in the United States. The purpose of this study was to assess the acculturation experience of Asian Indian Americans and their attitude toward seeking mental health services, and to explore the relationship between acculturation levels and attitudes toward seeking mental health services. I used a quantitative research design to conduct this study. I employed an online survey through Qualtrics. The participants (n = 568) constituted a probability sample recruited from Indian-based Christian churches …

Fabrication And Evaluation Of Multicomponent Biomimetic Scaffolds For Bone Tissue Engineering, Mozan Osman Hassan

Dissertations

Bones have an inherent ability to remodel, but critical-size defects can hinder regeneration, leading to delayed healing or non-union fractures. Traditional bone grafts have limitations, such as donor site morbidity and immune rejection, driving the need for synthetic bone substitutes. Bone tissue engineering (BTE) addresses this by developing biomimetic scaffolds that replicate bone properties. This research aimed to fabricate composite scaffolds from strontium (Sr) and zinc (Zn) doped nano-hydroxyapatite (nHAp), collagen, and poly(lactide-co-glycolide) (PLGA). Different doping percentages of Sr/Zn (1%, 2.5%, 4%) were used to fabricate the scaffolds using supercritical CO2 (ScCO2) and electrospinning techniques. Scaffolds were then analyzed for …

The Effect Of A Self-Guided Simulation Tool On Anxiety Related To Clincal Practice Among Baccalaureate Nursing Students During Their First Clinical Rotation, Karen M. Vargas

Dissertations

Research has demonstrated that anxiety can have a detrimental effect on learning and performance. Of great concern is the impact of anxiety on nursing students. By extension, additional research has shown that nursing students experience extremely high levels of anxiety, higher than many students in other programs. Specifically, nursing students have moderate to severe levels of anxiety due to many aspects of the educational program, but particularly when beginning clinical practice. Anxiety when beginning clinical practice among nursing students can cause negative outcomes in learning and performance. That is, when nursing students experience severe anxiety, they may experience the inability …

Experiences Of Incivility And Ageism In Currently Enrolled Rn To Bs Nursing Students And Their Intent To Quit, Kimberly A. Balko

Dissertations

Student registered nurses face barriers to successful completion of a bachelor's of science degree program when faced with memories of incivility within their basic nursing program and their current experiences of incivility and ageism in the classroom, as well as in the workplace. This incivility, along with generational differences, adds to the growing concerns of nurses' intent to quit their employers or the profession, which adds to the current and future nursing shortage. The incorporation of multigenerational education for nurses could enhance generational awareness including ageism, communication skills, conflict resolution, coaching, and mentoring to guide employed RNs and nursing students …