Digital Commons Network^™

Navigating Recovery: A Qualtitive Study Of Harm Reduction And Sobriety Among African American In Redlined Chicago Neighborhoods, Erica N. Tate

Dissertations

This qualitative study examines the lived experiences of African American individuals residing in historically redlined communities in Chicago who are maintaining sobriety using harm reduction strategies. Grounded in the context of structural inequities, the study explores how social determinants of health, including limited healthcare access, transportation barriers, and community disinvestment, shape recovery pathways. Semi-structured interviews were conducted with individuals in sustained recovery and providers, and the data were analyzed using inductive and deductive thematic approaches. Findings indicate that recovery is an ongoing process influenced by environmental exposure, trauma, and access to support systems.

Participants identified harm reduction strategies, such as …

Recruiting And Retaining Teachers In A Rural School District: A Case Study, Gerald J. Bavero

Dissertations

         This exploratory case study aimed to understand the specific strategies that rural school leaders employ to address the challenges associated with recruiting and retaining teachers in rural schools.  It sought to understand the effectiveness of these strategies within the unique economic and cultural landscape of South West County and to identify practices that could inform broader educational policy and practice in this and similar rural settings.  A qualitative case study approach utilizing semi-structured interview questions was conducted to discover what teacher recruitment and retention strategies school leaders implement and how teachers perceive these strategies.  Findings indicate both formal and informal …

Secondary Teachers’ Perceptions On The Wida Framework To Support Academic Literacy In Multilingual Learners, Laura G. Faris

Dissertations

The purpose of this study was to determine teachers’ perceptions of benefits and barriers to using the WIDA Framework to support academic literacy in multilingual learners (MLs).  Content-area teachers of MLs who continue to learn English are teaching academic literacy through complex linguistic structures for students to both comprehend and produce informative textual structures which occur in secondary textual reading and written assessments in the literature and historical content areas. Qualitative methods including reflective journal entries, semi-structured teacher interviews, and classroom observations were used to collect data on teachers’ perceptions of the effectiveness of using the WIDA Framework to better …

A Phenomenological Study Of Teachers Who Use Oral Reading To Foster Student Reading Fluency And Engagement, Donyetta Grimes

Dissertations

The National Reading Panel (2000) recommends oral reading instruction as a means to improve overall reading fluency and reading comprehension. Oral reading fluency is a necessary foundational skill, and students who have not mastered it by the end of third grade, when students transition from learning to read to reading to learn, become struggling adolescent readers (Ming, 2018). Furthermore, there is a lack of research on reading fluency past the primary grades (Makebo et al., 2022). Additionally, research gaps exist when considering teachers’ actual practices during reading instruction (O’Sullivan et al., 2009). This gap is particularly concerning considering that teachers …

Restorying The Reader: Adolescent Narratives Of Identity, Context, And Motivation, Jennifer R. Gardner

Dissertations

This present study examined how adolescents narrate their reading experiences and what those narratives reveal about reading identity, motivation, and engagement. This study responds to a persistent problem in literacy education: adolescent reading is often framed through disengagement or reduced to isolated constructs, while students’ lived reading experiences across school, home, digital, linguistic, and social contexts remain underexamined. Guided by Self-Determination Theory, Intersectionality, and Reader Response Theory, this study centers on adolescent voices and treats these participants’ stories as the primary avenue of understanding how they experience and interpret their reading lives and selves. Data were collected through narrative interviews, …

Science For All: Utilizing Native And Everyday Language To Increase Academic Performance And Student Engagement For High School English Language Learners, Lashanda K. Whitworth

Dissertations

In public high schools across the U.S. high stakes assessments are seen as a lever to facilitate high-quality education and to gauge student learning. English Language Learners are mainstreamed into content classes and despite having low English proficiency scores are expected to perform as well as English first students and are required to take district and state mandated biology assessments. At the research site, ELLs comprise 25% of students and consistently score below the other subgroups in biology. This quasi-experimental study tested whether using disaggregate instructional strategies—incorporating ELLs’ native and everyday language—increases learning gains, academic growth, and engagement in a …

A Cross-Cultural Comparison Of Pre-Service Mathematics Teacher Preparation Approaches In Jamaica And Historical Black Colleges And Universities In The Southeast United States, Sandra Riley-Brown

Dissertations

This qualitative comparative case study embarked on an in-depth exploration and comparison of the approaches to pre-service mathematics teacher preparation programs (PMTPP) in Jamaica and Historically Black Colleges and Universities (HBCUs) in the Southeast United States (U.S.), employing a cross-cultural lens. The primary objective of the study was to identify and analyze the similarities and differences between the methodologies utilized in PMTPP across these two regions, with a specific focus on how HBCUs addressed the preparation of culturally responsive educators. The research took two distinct phases. The initial phase involved a thorough analysis of documents provided by the participants. This …

Exploring Alternative Curriculum Implementation In Special Education Settings, Amber R. Wilson

Dissertations

The purpose of this qualitative case study was to understand teachers’ perceptions of implementing an alternative curriculum in their self-contained special education settings and grade levels, as well as their perceptions of the training and ongoing support provided for its implementation. This study used a case study research design. Findings revealed that the participants experienced several challenges related to training, ongoing support, and curriculum implementation, including issues aligning the alternative curriculum with state standards and assessments. This study is significant because alternative curriculum implementation is under-researched in the United States, and the international literature on this topic is limited.

Establishment Of A Hek293t Cell Model System To Investigate Direct Intracellular Interactions Between Amyloid-Β (Aβ) And The Nlrp3 Inflammasome, Cristina Sinobas Pereira

Dissertations

Alzheimer’s disease (AD) is a progressive neurodegenerative disorder and the leading cause of dementia worldwide. While Amyloid-β (Aβ) aggregation is a defining pathological feature, increasing evidence highlights chronic neuroinflammation as a critical contributor to disease progression. Soluble Aβ assemblies can act as damage associated molecular patterns (DAMPs) including activation of the NLRP3 inflammasome, which links amyloid pathology to sustained inflammatory responses in the brain (Heneka et al., 2015; Nakanishi et al., 2018). However, the molecular mechanisms by which specific Aβ conformations influence inflammasome assembly remain incompletely understood.This study aimed to investigate whether distinct aggregation states of amyloid β42 (Aβ42) are …

Factors That Affect African American Representation In Cybersecurity Academic Programs In The United States, Damon Walker

Dissertations

The U.S. cybersecurity workforce continues to experience a critical talent shortage alongside persistent inequities in racial representation, particularly at the faculty level within higher education. This mixed-methods dissertation examines African American representation among faculty in cybersecurity academic programs designated by the National Centers of Academic Excellence in Cybersecurity (NCAE-C) and investigates the factors that influence recruitment, retention, and advancement. Grounded in a transformative research framework, the study integrates quantitative analysis of national institutional data with qualitative interviews to illuminate structural patterns and lived experiences shaping representation.

Quantitative findings revealed pronounced underrepresentation: African American faculty comprise 2.57% (130 of 5,051) of …

Silent Struggles: A Qualitative Study On Mental Health Stigma And Help- Seeking Among African Individuals In The U.S, Ololade Ekwere

Dissertations

Approximately one-third of African Americans and Caribbean Blacks who require mental health services seek and utilize them (Evans & Sheu, 2019). Research has shown that stigma surrounding mental health treatment contributes to lower rates of professional help-seeking among Black Americans (Pederson, 2023). Despite the growing diversity within the Black community, limited research exists on how stigma influences professional mental health help-seeking among Africans living in the United States.

The purpose of this qualitative descriptive study was to explore the effect of public stigma on the mental health help-seeking behaviors of Africans living in the United States. Demographic data were collected, …

Journey Of Becoming: Risk And Self-Determination In The Story Of Self For Adults With Intellectual, Developmental, And Learning Disabilities A Phenomenological Case Study Employing Narrative Inquiry And Thematic Analysis, Christopher R. J. Worth

Dissertations

This phenomenological case study, employing narrative inquiry and thematic analysis, captured the first-person voice of emerging adults (ages 20–28) with intellectual, developmental, and learning disabilities to explore how experiences of risk and self-determination shaped their personal narratives, or story of self. Guided by Critical Disability Theory, Foucault’s concept of relational power, and Shogren’s Causal Agency Theory, the study challenged the systemic bubble-wrapping that denies this population the "dignity of risk" (Perske, 1972). Data were collected from six participants through semi-structured interviews, adapted photovoice submissions, and participant selfreflections. The findings revealed that the phenomenon of becoming, catalyzed by intellectual adaptive risk-taking, …

The Social Validity Of The Zones Of Regulation, Tracy Grass

Dissertations

The purpose of this research was to examine teachers’ perceptions of the social validity of the Zones of Regulation, specifically in terms of the constructs of acceptability, feasibility, and perceived effectiveness, in elementary school classrooms. Despite the popularity of this social-emotional learning (SEL) program, limited research has explored its social validity. To address this gap, a mixed-methods research design was used to gain a comprehensive understanding of teacher perceptions and experiences.

A total of 43 elementary teachers completed the Usage Rating Profile—Intervention Revised (URP-IR), and seven teachers participated in semi-structured interviews. Abductive thematic analysis was used to integrate data and …

Teachers' Perceived Impact Of Teacher-Led Committees On Agency And Morale, Sherry Wibben

Dissertations

The action research study examined how participation in teacher-led committees influenced teachers’ perceptions of agency and morale within an urban Midwestern high school. Grounded in theories of shared and distributed leadership, the study addressed a problem of practice centered on limited teacher voice, fragmented communication, and inconsistent collaborative structures. A convergent mixed-methods design was employed to evaluate changes in teacher morale and professional agency following implementation of teacher-led committees.

Quantitative data were collected using Wong’s (1991) Staff Morale Questionnaire (SMQ), measuring leadership synergy, cohesive pride, and personal challenge. Surveys were administered at baseline (N = 30) and endline ( …

Our Stories: Black Parents’ Experiences At K-12 Predominantly White Institutions, Jason Thompson

Dissertations

Black parents of Black children attending K–12 predominantly White institutions (PWIs) often experience stress as they navigate school environments where they may be perceived as uninterested, combative, or “token” members of the school community. These deficit-based perceptions can cause Black parents to limit school interactions, question whether their perspectives will be valued, and develop distrust toward school personnel. Although research has examined Black students’ experiences in PWIs, fewer qualitative studies have centered on Black parents’ stories. Capturing these experiences in parents’ own words helps challenge harmful stereotypes and offers schools, especially school counselors, deeper insight into strengthening relationships with Black …

Leading Through Stability: How Relational Leadership And Stability Transformed The Culture Of Boone Middle School, Luke P. Thuston

Dissertations

Principal turnover remains a persistent challenge in American education, yet limited research has examined the long-term cultural consequences of chronic leadership instability or the mechanisms through which schools recover. This convergent mixed-methods case study investigated how leadership stability and intentional relationship-building practices influenced the transformation of school climate and culture at Boone Middle School, a suburban middle school in Missouri with a sustained history of administrative turnover. Between 2001 and 2022, the school experienced seven principals and fifteen assistant principals, contributing to normalized instability, diminished relational trust, and skepticism toward organizational change. This study examined the period of leadership stabilization …

Cripping The Border – Acompañamiento As Access: An Ethnographic Case Study Of Transborder Youth With Disabilities, Marco O. Amaral

Dissertations

The U.S.-Mexico border is a historical, geopolitical site of intense militarization where colonial logics of "othering" converge to marginalize disabled transborder youth. While transborder studies have expanded, students with disabilities remain relegated to the "void" and contained by educational systems that prioritize surveillance over access. Grounded in Sepúlveda’s (2011) acompañamiento and Transborder DisCrit, this ethnographic case study examines the lived experiences of both students and their families who cross the border daily to attend school in the U.S. It frames these journeys not as mere commutes, but as acts of defiance within the broader disability rights movement.

As a teacher-activist, …

Organizing To Engage: A Framework For Conflict Strategy, Paul Mason Carpenter

Dissertations

Conflict strategy can be exceedingly complex. While many of the basics are simple, even the simple can be highly complicated to execute. The Schlieffen Plan in World War I appeared straight forward, but execution was a great deal more complex. It failed and the result was years of trench warfare.  In addition, leaders entering conflict may not fully appreciate the full context, its effect, and the need for a long term result--a better state of peace.

Strategy and tactics may be challenging to transform as an engagement evolves. In addition, strategists must often commit to courses of action within very …

Effective Leadership Strategies For Character Education, Kim Fricke Bilanko

Dissertations

Although character education has been widely studied, limited research has examined the specific leadership strategies building administrators use to implement and sustain comprehensive character initiatives. This qualitative study investigated the leadership practices of building administrators whose schools were designated as National Schools of Character (NSOC) in order to better understand how character education is institutionalized and maintained over time. Guided by an exemplar model and informed by constructivist grounded theory methods, the qualitative study explored (a) the leadership strategies administrators identified as essential to implementation and (b) the challenges they encountered, and the responses used to address them.

Semi-structured interviews …

Toward Understanding Faculty Engagement In Professional Development: A Mixed-Methods Study Of Conference Attendance By Community College Faculty, Jared Durden

Dissertations

Conference attendance is often framed as an individual choice, but this community college-focused study found it operates as a system. Institutional supports, signals, and constraints either make attendance more feasible or reinforce barriers to attendance. Using a convergent mixed-methods design, I integrated a faculty survey, policy document analysis, and faculty panels (moderated small-group interviews) to identify what most consistently separates attendance from non-attendance and what institutions can change. Survey results included 56 complete responses (analytic n = 54) from full-time faculty working at Missouri community colleges. Faculty reported moderate to moderately high perceptions of institutional support, professional value, and belonging …

Exploring The Impact Of Mental Health On Academic Performance And Engagement: An Interpretative Phenomenological Study Of Title I High School Upperclassmen In Northeast Alabama, Nataysia A. Holloway

Dissertations

This dissertation explores the intersection of student mental health and academic success within a Title I school context, particularly the lived experiences of students navigating mental health challenges while facing psychological, social, and educational barriers. Drawing on qualitative data, the study explores how mental health challenges influence student academic performance, engagement, and overall educational outcomes. Chapter one introduces mental health as a prevalent concern for adolescence, and chapter two examines existing research and details the methodological approach and supporting frameworks for this study. Subsequent chapters are devoted to the lived experiences of students and their perception of support and resources …

The Impact Of Social-Emotional Learning Instruction On Intermediate Grade Levels, Leah Frances Davis

Dissertations

The study, The Impact of Social-emotional Learning on Intermediate Grade Levels, examined the perceived impact of social-emotional learning on the five core CASEL competencies. This included: self-awareness, self-management, social awareness, relationship skills, and responsible decision-making. The study was a mixed methods design using qualitative research methods of surveys and interviews to analyze the teachers’ perceptions on the impact of social-emotional learning. Quantitative analysis reviewed attendance and discipline data to determine the impact of social-emotional learning on these factors. Teachers’ perceptions, coupled with and compared to the quantitative component of change in discipline infractions and daily attendance, offer great insight into …

Gamification And Serious Games In Undergraduate Nursing Education For Disaster Preparedness In The United States, Jacob Fast

Dissertations

Disaster preparedness is a critical component of undergraduate nursing education, yet traditional instructional approaches often inadequately prepare students for the complexity and uncertainty of real-world emergencies. Emerging literature suggests that gamification and serious games may enhance engagement and applied learning; however, limited research has examined their integration within nursing curricula from the perspective of faculty responsible for instructional design. This convergent mixed-methods study investigated the extent of integration, perceived effectiveness, and practical utility of gamification and serious games in undergraduate nursing education for disaster preparedness. Quantitative data were collected through a national survey of faculty teaching in CCNE- and ACEN-accredited …

Active Listening And Reassurance In Text-Based Virtual Health Coaches, Ghulam Hussain

Dissertations

Conversational agents (CAs) have strong potential to support health and physical wellbeing through text-based coaching, but they remain limited in their ability to demonstrate supportive social behaviours that are important in human coaching interactions. In particular, relatively little is known about how Active Listening and Reassurance are perceived, modelled, and evaluated in text-based virtual healthcare coaching, or how such behaviours should be adapted to individual users.

This dissertation investigates how supportive interaction behaviours can enhance text based virtual health coaching, with an initial focus on Active Listening and Reassurance and a later theoretical emphasis on Active Listening. Across five unique …

Cotheorizing Healing With Undergraduate Queer And Trans Latina Survivors Of Power-Based Violence, Kimberly Correa

Dissertations

Current research on healing from power-based violence highlights the importance of integrating victim-survivors’ personal culture and identities into healing approaches, yet few studies actually focus on the culturally distinct healing processes of victim-survivors (O’Brien & Macy, 2016; Sinko et al., 2023). Grounded in Jotería theory (Alvarez, 2023) and Latina/Chicana feminist frameworks (Garcia, 1989), this qualitative study employs queer pláticas as both a methodology and method to center culturally rooted dialogue, reciprocity, and cariño as a political praxis. This study explores how six queer and trans Latina undergraduate victim-survivors conceptualize healing from power-based violence and how their identities, cultural values, and …

Intelligent Deep Learning-Based Sign Language Translation System, Nada Rasem Shahin

Dissertations

The Deaf and Hard of Hearing (DHH) community uses sign language as a primary means of communication. However, the shortage of sign language interpreters and the existence of hundreds of sign languages limit accessibility and inclusion. Sign Language Machine Translation (SLMT) systems present a promising solution for bridging the communication gap between the DHH and the hearing individuals, supporting inclusive societies. In smart cities, such systems play an essential role in improving the quality of life on a community level. In particular, as the population’s well-being is critical, developing intelligent assistive technologies, such as SLMT systems, is necessary to provide …

Efficient Energy Management In Networked Microgrids Using Multi-Agent Deep Reinforcement Learning In The Presence Of Uncertainties, Ayodele Benjamin Chukwuyem

Dissertations

Microgrid technology is essential in facilitating the transition to smart energy grids in developed countries and mitigating energy poverty in developing countries, particularly in areas where grid extensions are not feasible. Recently, the concept of networked microgrids (NMGs) has garnered tremendous attention due to the plausibility of interactions among interconnected microgrids leading to power networks that are more resilient, reliable, and stable. However, because each microgrid has diverse distributed generation resources (renewables and controllable generators) and each microgrid operator (MO) has different objectives, coordinated energy management is required to satisfy local and system-wide goals under conditions with significant uncertainty. Existing …

Fully Decentralized Hierarchical Federated Learning At The Edge With Post-Quantum Secure Communication, Tariq Qayyum

Dissertations

Federated learning (FL) enables collaborative model training without centralizing raw data, but deploying FL at scale in real edge environments remains challenging because iterative training and aggregation must operate over heterogeneous, resource-constrained, and often mobile devices with time-varying connectivity. Conventional hierarchical federated learning (HFL) partially mitigates communication cost by introducing fog/edge aggregation, yet many designs retain cloud-based global aggregation and cloud-centric coordination. This places wide-area network latency on the critical path of every training round, creates a single point of failure, and limits responsiveness as model sizes and federation scale grow. Moreover, moving coordination and aggregation closer to the edge …

A Low-Noise And High-Gain Integrated Photoplethysmography Sensor For Continuous Vital Signs Monitoring, Neethu Mohan

Dissertations

Photoplethysmography (PPG) sensing is an important technology used for measuring health parameters like, heart rate, respiratory rate, blood oxygen saturation, and blood pressure (BP). The PPG sensing is used for individuals who have to periodically monitor their health due to chronic health conditions. The basic requirements of a wearable PPG sensor include non-invasiveness, prolonged battery life, and being userfriendly. These type of sensors have great demand in the healthcare applications and there is a significant rise in the demand of these sensors. The basic objective of these PPG sensors is to make the continuous vital health monitoring easier without the …

Application Of The Tridiagonal Representation Approach And The J- Matrix Method Of Scattering In Theoretical Physics, Tunde Joseph Osunmusanmi

Dissertations

This dissertation is about the application of the Tridiagonal Representation Approach (TRA) in handling linear phenomenons, and for the first time, the J-matrix method of scattering in handling nonlinear phenomenons. The TRA is an algebraic method for solving linear ordinary differential equations of the second order. The advantage of the method in being algebraic is reinforced by the analytic power of orthogonal polynomials and special functions. On the computational side, it is favored as being reliant on powerful numerical techniques that deal with tridiagonal matrices such as Gauss quadrature and continued fraction. In the method, the solution of the differential …