Digital Commons Network^™

Trauma-Informed Gatekeeping In Counselor Education And Supervision: An Interpretative Phenomenological Analysis, Leslie E. Davis

Dissertations

Gatekeeping is a challenging ethical and legal obligation for counselor educators and supervisors. Many counseling students demonstrate some sort of problem of professional competence in their counseling programs, and it is critical that counselor educators utilize gatekeeping practices to prevent gateslipping (Brown-Rice & Furr, 2016a; Gaubatz & Vera, 2002; Kimball et al, 2019). According to The Substance Abuse and Mental Health Services Administration (SAMHSA, 2023), there is an increasing need to address trauma as a critical element of providing effective mental health services. Trauma-informed care and trauma-informed principles began to appear in the mental health literature in 2001, and the …

Emotional Intelligence And Effective Leadership In Times Of Global Crisis: A Mixed-Methods Study Of Managers At Multilateral Development Institutions During The Covid-19 Pandemic, Bukola Ogunyemi

Dissertations

Purpose: The purpose of this mixed-methods study was to identify and describe the perceptions of managers at multilateral development institutions regarding the impact of emotional intelligence methods in their approaches to leading during the COVID-19 pandemic. A secondary purpose was to examine how the experiences of leading during the COVID-19 crisis influenced managers' understanding, development, and application of emotional intelligence skills as part of their leadership practices.

Methodology: This study employed a convergent parallel mixed-methods design to examine the role of emotional intelligence in crisis leadership at multilateral development institutions during the COVID-19 pandemic. Using Goleman's emotional intelligence framework as …

Preservice Teachers’ Experiences With Critical Self-Reflection As A Means For Identifying Resistances To Becoming Culturally Competent: A Phenomenological Study, Susan Elaine Huff

Dissertations

Preservice teacher programs have been charged with finding ways to make programming more multiculturally inclusive due to the student population in K-12 public schools across the United States becoming increasing racially, culturally, or ethnically more diverse each year. The majority of current educational research surrounding multicultural education, explores the limited diversity in teacher education programs, understanding the cultural competency of the current teachers, and investigating discrepancies within current classroom application. There is little research that considers how preservice teachers use critical self-reflection as a tool for working with diverse student populations during clinical work in their program. Therefore, the purpose …

Opening Access To Advanced Placement English, Tabitha J. Evans

Dissertations

The goal of this study was to examine the growth trend in enrollment into AP over Honors English courses in secondary students across six high schools in the same school district over the past eight years and to determine how that enrollment impacted exam performance. Both a student survey and district demographic and exam performance data was pulled across the six high schools for all AP English Language and Composition (AP Language) and AP English Literature and Composition (AP Literature) courses over the course of time under study. Descriptive statistics were used to analyze trends in enrollment growth, AP scores, …

Identifying Universal And Language-Specific Features In Play-Based Writing Of Young Children, Shaya Helbig

Dissertations

Young children’s marks when writing consist of universal features such as scribbling and drawing, and language-specific features such as letters or letter-like forms and spaces (Clay, 1979; Puranik & Lonigan, 2011; Rowe & Wilson, 2015; Teale & Sulzby, 1985). It is widely agreed that exposure to words and written language play a pivotal role in children’s writing development (Clay, 1979; Teale & Sulzby, 1986). However, it remains unclear whether children form more complex writing skills through specific developmental stages, and if age plays any part in this progression (Clay, 1979; Justice & Vukelich, 2008; Teale & Sulzby, 1986). The lack …

Data-Driven Decision Making For Quality Control In Foundry Applications, Ronit Shetty

Dissertations

In the transformative landscape of Industry 4.0, advanced quality control in manufacturing demands innovative methods for processing and analyzing datasets. This dissertation presents a comprehensive study on leveraging high volume data and machine learning to enhance decision making in the foundry industry. The research explores three crucial challenges in the foundry industry: predicting surface roughness, monitoring refractory coating thicknesses, and comparing feature extraction techniques for surface quality classification. The findings underscore the transformative potential of integrating advanced feature engineering techniques and machine learning into manufacturing quality control.

The first of the three challenges introduces a framework that integrates digital images …

Nonparametric Finite Mixture Of Ising Graphical Models, Manal Hamadi Alloqmani

Dissertations

Statistical applications in fields such as bioinformatics, genomics, speech processing, image processing, and communications often involve large-scale models in which thousands or millions of random variables are linked in complex ways. Graphical models provide a general methodology for approaching these problems, and indeed many of the models developed by researchers in these applied fields are instances of the general graphical model formalism. This formalism gives a nice framework for capturing complex dependencies among the random variables and building a large-scale model for high-dimensional data. Recently, high-dimensional data are more assumed to come from one population and follow a parametric or …

Resilient Learning For Anomaly Detection In Smart Living Systems, Sahar Abedzadeh

Dissertations

Cyber-Physical Systems (CPS) rely on anomaly-based detection methods to ensure the integrity and security of critical infrastructures such as smart grids, smart water metering systems, and advanced metering infrastructures (AMI). Anomaly detection methods are commonly used to identify deviations from normal system behavior by establishing learned profiles and thresholdbased distinctions between benign and anomalous events. However, conventional frameworks often fail to account for adversarial data poisoning attacks, unlabeled unsafe events, and environmental noise—factors that distort training data, degrade detection accuracy, and increase false alarms. This dissertation proposes a resilient learning framework that mitigates these biases by integrating quantile regression, M-estimation …

Techniques For Enabling Advanced Adas Features: Operation In Inclement Weather And Use Of Infrastructure Information, Parth Kadav

Dissertations

Modern vehicles have undergone a transformation with the widespread integration of Advanced Driver Assistance Systems (ADAS) technology becoming the new standard and are set to be mandated by the by the National Highway Traffic Safety Administration (NHTSA) for all passenger vehicles and light trucks. ADAS features have proven to prevent or mitigate crashes by either alerting or assisting the driver. ADAS typically utilizes a forward-facing camera, which comes standard in modern vehicles to provide limited automation features such as Lane Keeping Assist (LKA), and Lane Centering Assist (LCA) to improve driver safety. These systems rely on the assumption that vehicle …

Turbulence And Energetic Ion Production In The Partially Magnetized Hollow Cathode Plume, Margaret Mary Mooney

Dissertations

Hall effect thrusters (HETs) are the most widely used electric propulsion (EP) device for in-space satellite propulsion. EP devices provide high efficiencies for extended mission lifetimes and low thrust for precision maneuvers. The hollow cathode is a critical HET component and undergoes extensive lifetime testing in addition to the lifetime testing of the full HET. Significant density gradients, non-Maxwellian electron behavior, and magnetic fields sufficiently strong enough to magnetize electrons in hollow cathode plumes create favorable conditions for the formation of plasma instabilities, which have an impact on cathode lifetime. Cathode qualification testing is typically conducted independently and includes a …

Deadtime In The Vale Of Soul-Making: Hermeneutics, Humanization, And Higher Education In Prison, Dale Michael Brown

Dissertations

This body of work examines higher education with and for justice-involved people from a descriptive, theoretical, and empirical perspective—pulling together multiple disciplines and employing different methodologies from the humanities and social sciences. The investigation is written from a philosophical perspective via educational foundations and a social science perspective via qualitative research, including an examination of carceral higher education’s connections to teaching and experiential learning. This approach reflects the interdisciplinary nature of both the author’s degree program and the topic itself, which (as a field of academic inquiry) is part theoretical and part empirical (both qualitative and quantitative). The papers in …

The Ebony Edge: A Qualitative Exploration Of Math Success Among Black College Women, April Ruiz

Dissertations

Historically, women have been underrepresented as leaders in STEM. However, according to the National Science Foundation (2022), women accounted for a little more than half of the college-educated workforce and underrepresented minority women increased in broad science and engineering occupational categories. This promising upturn underscores the importance—if progress is to continue—of better understanding why some African American women succeed in and persist with their study of college mathematics.

This study aimed to explore the experiences of Black college women attending a predominantly White institution in the Midwest, to better understand what reasons Black college women ascribe to their success in …

An Elementary Review Of Multi-Tiered System Of Support, Zachary R. Ernst

Dissertations

This research aimed to review how a large unit school district can differentiate the Multi-Tiered Systems of Support (MTSS) framework specifically for the elementary level to increase the growth and achievement of all elementary students within the district. A deep dive into publicly available student achievement data for Parkside School District was completed as part of the research and data collection. Additionally, school and district staff were given an in-depth survey about different aspects of the MTSS framework in Parkside School District. All of this data was analyzed and interpreted. The results showed that there is a need for the …

Gender Differences In Perceived Organizational Support Among Veterans With Posttraumatic Stress Disorder, Elizabeth Gomez

Dissertations

Posttraumatic stress disorder (PTSD) is a well-studied issue within the U.S. military, with data showing military personnel face a higher risk of trauma than the civilian population. Many veterans and service members suffer from PTSD related to their military experiences (Renshaw, 2011). As research has largely focused on protective factors such as social and familial support, little attention has been given to organizational support (Meredith et al., 2011). Perceived organizational support (POS) refers to how individuals perceive the support they receive from their employers, with the military as the primary employer for veterans. This study was designed to explore whether …

Breaking Barriers: An Educator's Pursuit To Provide Equity In Student Achievement, Christina L. Korsun

Dissertations

There is a sense of urgency to address the widening achievement gaps among minority students, students with disabilities, and English-language learners. This makes immediate school action necessary to create a more equitable learning environment. Without strategic interventions, including improved teacher retention efforts, stronger student support systems, and effective leadership, these challenges will continue to hinder student success and overall school performance. The purpose of this project is to find solutions for schools to institute to narrow the achievement gap by ensuring all students receive the support needed to succeed. Schools can respond to the learning gap by promoting equitable learning …

Counseling In The Space Between: Counselor Perceptions Of Empathy And Therapeutic Alliance During Videoconferencing-Based Teleplay Therapy Sessions, Robert M. Lima Jr

Dissertations

Children and adolescents experienced a significant increase in mental health challenges during the COVID-19 pandemic (Czeisler et al., 2020; Hertz et al., 2022; Mpofu, 2023; Oberg et al., 2022; Wilkins et al., 2023). With health facilities closed for non-emergent patients, telemental health therapy offered the possibility of support for those experiencing mental health challenges (Chiauzzi et al., 2020; Cooke et al., 2020; Karimi et al., 2022; E. C. Lee et al., 2023; Racine et al., 2020). While numerous past studies conducted over several years confirmed the efficacy of telemental health counseling (e.g., Feijt et al., 2020; Gloff et al., 2015; …

The Role Of Affordable Housing In Enhancing Tenants' Economic Stability In Connecticut: A Focus On Income, Employment, And Housing Stability, Osaid Zubi

Dissertations

This study examined the role of affordable housing in promoting economic stability among low- and moderate-income households in Connecticut. Focusing on income security, employment opportunities, and housing retention, this research highlighted the significance of affordable housing as a means to alleviate financial strain, support job retention, and foster community resilience. Utilizing a phenomenological approach, the study gathered insights from tenants, policymakers, and developers through conducting interviews and a focus group. Connecticut was chosen as the study site due to its high cost of living and affordable housing shortage, exacerbated by its proximity to New York City. Findings underscore the economic …

An Investigation Into The Effectiveness Of High School Models Of Instruction In English Language Arts For Exceptional Education Standard Diploma Students, Lori A. Rath Minton

Dissertations

This study examined the effectiveness of high school instructional models in English Language Arts (ELA) for Exceptional Student Education (ESE) students pursuing a standard diploma. The purpose was to compare self-contained and inclusion models within the framework of the Individuals with Disabilities Education Act (IDEA), emphasizing Free and Appropriate Public Education (FAPE) and the Least Restrictive Environment (LRE). The research was conducted in a medium-sized rural district high school.

The overarching research question was: Based on student test scores, ESSA data, surveys, and interviews with content area teachers, ESE teachers, paraprofessionals, support facilitators, and administrators, how effective are self-contained and …

Overcoming Motor Imagery Bci Illiteracy: Adaptive Decoding And Knowledge Transfer In Eeg-Based Brain-Computer Interfaces, Zaid Shuqfa

Dissertations

Brain–computer interfaces (BCIs), also known as brain–machine interfaces (BMIs), enable direct communication between the brain and external devices without the involvement of peripheral nerves or muscles. Among various BCI paradigms, motor imagery (MI)–based BCIs are particularly appealing due to their intuitive, cue-independent nature, allowing users to issue control commands at will. MI–BCIs hold substantial promise for improving the quality of life of individuals with motor impairments, as well as enhancing hands-free control for healthy users. However, their widespread adoption remains limited by challenges such as low signal-to-noise ratio, inter- and intra-subject variability, and the need for frequent calibration. These challenges …

How New Mathematics Teachers Develop Teacher-Student Relational Pedagogy, Dustin Kinser

Dissertations

This study investigated the support structures implemented with new mathematics teachers to help them build relational pedagogy with their students to determine their effectiveness. The literature review examines topical research, gaps in literature and theoretical frameworks to justify the study. The case study investigated new math teachers and their processes of building positive teacher-student relationships using the support structures that they were taught on their way to becoming a teacher. Math teachers were interviewed to find any common themes across the study and find out what is truly working or not working so that the process can be improved. Another …

Emission Behavior At The Single Emitter Scale From A Porous Media Ionic Liquid Ion Source, Thomas Victor Kerber

Dissertations

Ionic liquid ion sources (ILIS) are being developed as one solution to fill a technology gap in low power, high efficiency, high specific impulse space propulsion systems. With a sufficiently intense electric field applied between an emitter electrode and an extractor electrode, charged particles are extracted from the fluid surface and accelerated out of the thruster. In this work, three experimental campaigns examine emission behavior of a single emitter ILIS made of porous material that allows passive propellant feed via capillary action of the ionic liquid 1-ethyl-3-methylimidazolium tetrafluoroborate (EMI-BF₄).

Repeated measurements of the emitter and extractor current as …

Exploring The Relationships Between G2g, G2e And G2c E-Government Interactions And Organizational Readiness For Citizen Centricity In The Uae Government: Organizational Culture As A Moderator, Esam Al Sayed Ahmed

Dissertations

The UAE has topped the e-Gov development rankings globally over the last two decades. But during the era of the COVID-19 pandemic, certain problems befell the model of e-Gov, like no coherent strategy, inconsistencies in digital practice, inadequate collaboration, the lack of mechanisms for innovation, poor digital talent, and concerns with public trust. After the pandemic, the government released its digital strategy (2021-2025) as part of the rapid recovery plan to stimulate the economy and society. The strategy aimed at increasing sustainability and innovation and putting citizens first. Yet, the strategy can be improved in regard to how prepared government …

From Microplastic Impact To Biodegradation Solutions: Investigating Microplastic Pollution, Microbial Responses, And Efficacy Of Synthetic Microbial Consortia In Plastic Degradation, Rener Sahot De Jesus

Dissertations

Plastics, including microplastics, pose significant environmental threats due to their widespread presence and harmful ecological effects. This dissertation present three distinct, yet interconnected studies. First, a study on microplastic contamination in urban recreational parks was conducted in Al Ain, United Arab Emirates. Results showed that low-density microplastics were present in 87% of soil samples, with spectroscopic analysis identifying synthetic polymers such as polyethylene and polypropylene. Additionally, these microplastics were found to negatively affect soil pH and moisture levels, emphasizing the need for enhanced monitoring and management strategies. Second, the effects of ground microplastics on Photobacterium leiognathi strains, a marine luminous …

Administrators’ Lived Experiences Of The Implementation And Teacher Efficacy Of Professional Learning Communities In Rural Title 1 Middle Schools, Jennifer J. Wilson

Dissertations

This study investigates administrators' lived experiences regarding the implementation and efficacy of Professional Learning Communities (PLCs) in Title 1 rural middle schools in the Southeastern United States. The research aims to provide insights into the organizational dynamics and effectiveness of PLCs in schools serving diverse student populations, particularly those families in economically disadvantaged hardships. Through qualitative methods, including interviews and document analysis, the study explores administrators' experiences, perceptions, and strategies related to the establishment, management, and outcomes of PLCs.

Teachers are constantly pressured to perform well on high-stakes testing, improve their professional practices, and work collaboratively. Over the past 10 …

The Role Of Teacher Leaders In Sustaining School Culture During Principal Transitions: A Case Study, Leah Curtright

Dissertations

This qualitative case study explored the lived experiences of eight teacher leaders at a public high school navigating rapid principal turnover, with five principals in 36 months. It sought to understand their perceived roles in maintaining school stability, focusing on how they countered adverse effects on culture, morale, and achievement. Data collection involved semi-structured interviews with eight teacher leaders. After the interviews were transcribed and codes identified, four themes emerged. The findings were aligned with the frameworks of this study: Eco-leadership, Distributed Leadership, and Teacher Leadership. Findings indicated that teacher leaders actively attempted to mitigate the adverse effects of principal …

Examining Rural High School Students’ Perceptions Toward And Experiences With The Reading Plus Intervention Program: A Qualitative Case Study, Deshonda Wolfe

Dissertations

Reading is the gateway to all other academic skills and across all disciplines of learning. Content courses at the high school level central focus are on reading to learn core curriculum verses learning to read. However, research shows that if students read significantly behind their typical peers, the reading gap widens throughout high school. Learning is stalled, and access to other contents, curriculums, and instructions becomes limited. To address the reading proficiency gap of high school students struggling to read in grade level, school districts have turned to computer assisted interventions programs, such as Reading Plus, to combat the reading …

Anchored Networks: Navigating Formal And Informal Pathways To Access Educational Resources In Transient And Military Families, Lara Ray

Dissertations

This study examines how Navy families in San Diego establish and use formal and informal networks to access educational resources for their children following relocation. Grounded in social capital theory, the research employed a multiple-case study approach, integrating data from interviews, focus groups, and digital analysis of Navy-affiliated social media platforms. The study explores how parents navigate these networks to promote their children’s academic success, with particular attention to key decision-making moments, resource negotiation, and equity considerations. Participants included Navy spouses from diverse ranks (E-3 to O-6) and socioeconomic backgrounds, providing insight into disparities in resource access. Findings reveal that …

A Mixed Methods Design-Based Study Of Effective Supports Provided By School Administrators To Increase Trust Among Special Education Staff, Margaret Dyer

Dissertations

The scholar-practitioner used a mixed-methods design-based study to address the problem of increased teacher attrition in the field of special education. The problem was an urgent issue within the schools the scholar-practitioner supervised as the special education coordinator. The symptoms the scholar-practitioner observed within the problem of practice were a lack of collegiality among staff. The behaviors observed demonstrated that special education teachers were visibly stressed. Due to the critical importance of quality teaching on student success, the scholar-practitioner believed the problem of increased attrition among special educators was urgent. The study took place in St. Louis County, Missouri, where …

Domino Effect: A Case Study On The Impact Of Education Legislation On The Emotions, Self-Efficacy, Job Satisfaction, And Retention Of English Language Arts Teachers In A Rural Middle School, Melinda Palmer

Dissertations

This multiple case study uses the appraisal theory of emotions to examine how Georgia education legislation, the Georgia Parents’ Bill of Rights and Senate Bill 226, impacted the emotional experiences, self-efficacy, and job satisfaction of ELA teachers in a rural middle school. This study also examines how this legislation impacted the retention of ELA teachers at the site school. The study highlights the experiences of 3 veteran teachers who were teaching ELA during the year immediately following the passage of the legislation. The findings indicate that the subsequent procedural changes initiated unpleasant emotional experiences: anger associated with the loss of …

Middle School Teacher Perceptions Of Digital Game-Based Learning In A 1:1 School District, Brennen Knight

Dissertations

This study examines middle school teachers' perceptions of Digital Game-Based Learning (DGBL) within a 1:1 school district. In this district, each student is provided with a personal digital device. With the increasing integration of technology in education, DGBL has been recognized as a tool that enhances student engagement, fosters differentiated learning, and improves achievement. However, despite its potential benefits, teacher adoption of DGBL varies widely due to personal beliefs, pedagogical challenges, and institutional barriers. Guided by the Technology Acceptance Model (TAM) and Rogers’ Diffusion of Innovation Theory, this qualitative multiple-case study explores how middle school teachers perceive, implement, and what …