Digital Commons Network^™

Pathways To The Streets: A Proposed Model Examining The Factors Influencing Gang Affiliation And Involvement Among Young Black Men In The United States, Ceauna L. Juarez

Dissertations

This literature review examined gang involvement among young Black men in the United States and explored the factors that contribute to joining gangs and the consequences that may follow. The first chapter provides a brief history of gang involvement in Black communities and introduces Erikson’s development model, self-determination theory, and the minorities’ diminished returns as the three theoretical frameworks. The second chapter discusses common challenges faced by young Black men who are currently involved in gangs or are at risk of joining. The chapter explores issues such as life expectancy after gang involvement, adverse childhood experiences, mental health concerns, and …

Intergenerational Trauma And Grief Among The Latine Community: Proposed Interventions And Treatment Considerations, Alexandra M. Johnson

Dissertations

The intersectionality of bereavement, trauma, and culture has many clinical considerations, including the impact on individuals and families. Traumatic events can impact an individual directly, collectively, and intergenerationally. The Latine community is one of the largest cultural groups in the United States, and mental health treatment often includes several cultural considerations. This critical literature review examined how the Latine community has been impacted by intergenerational trauma, specifically through experiences of grief and loss, to inform clinical focus, case conceptualization, and identify gaps in the literature. The first chapter provides a brief history of the intersectionality of intergenerational trauma and bereavement, …

The Influence Of Leadership On Leader Retention, Ruiwei Li

Dissertations

Prior research provided limited insight into how mid-to-senior leaders experienced and interpreted leadership in relation to retention. This interpretative phenomenological analysis (IPA) study explored how mid-to-senior leaders in a U.S. retail organization experienced and interpreted upper management leadership in relation to their retention decisions. Five leaders with at least four years of tenure participated in semi-structured, in-depth interviews. Each account was analyzed idiographically before patterns of convergence, variation, and divergence were examined across cases. Findings showed that willingness to remain reflected continued internal growth and meaningful influence, supportive leadership that affirmed personal value while preserving agency, and relational and cultural …

Experimental And Molecular Dynamic Simulation Assessment Of H2/Brine/Cement Interfacial Interactions During Underground Hydrogen Storage, Nurudeen Yekeen, Sikiru, Ahmed Al-Yaseri, Berihun Mamo Negash

Research outputs 2022 to 2026

Cement is widely used as a structural and sealing material to ensure hydrogen containment in geological formations. However, the influence of H2–brine–cement wettability and H2–brine interfacial tension (IFT) on the integrity and sealing efficiency of cemented caprocks remains poorly understood. Furthermore, previous studies provide limited insights into hydrogen adsorption and sorption behavior under subsurface storage conditions. In this study, wettability and IFT of H2–brine–cement systems were experimentally measured at pressures of 500–1000 psi and temperatures of 25–50 °C to evaluate hydrogen migration, trapping, and the performance of cemented seals. Molecular dynamics simulations were conducted at pressures of 500–3000 psi and …

Yap1-Dependent Regulation Of Cell Size In Bcam-Positive Limbal Corneal Progenitor Cells, Kosei Suzuki, Shinri Sato, Markus H. Frank, Natasha Y. Frank, Yuzuru Sasamoto

Research outputs 2022 to 2026

Cell size has been associated with stem and progenitor cell states across multiple tissues, yet its regulation in the human corneal epithelium remains incompletely understood. This study aimed to characterize cell-size differences among limbal and corneal epithelial cell populations defined by the limbal stem cell (LSC) marker ABCB5 and the transit-amplifying cell (TAC) marker BCAM, and to investigate the molecular regulators of progenitor cell size. ABCB5-positive LSCs and BCAM-positive TACs were identified and isolated by flow cytometry, and the mean cell size was estimated using forward scatter (FSC). As a result, ABCB5-positive LSCs were significantly smaller than ABCB5-negative limbal epithelial …

The Ilese Project: Building An Evidentiary Database About Students' Use Of Learning Environments, W. Imms, J. E. Morris, K. Day, C. Bradbeer, L. Lockhart-Barker, C. Campbell

Research outputs 2022 to 2026

This paper presents the progress of a unique study of significant scope. The industry-funded innovative Learning Environments and Student Experience (ILESE) study asked two questions: In what ways has more than two decades of learning spaces research culminated in readily used evidence that meets the needs of those involved in providing innovative education infrastructure? Second, based on perceived strengths and gaps, how do we design research to address identified gaps? This paper reports on the findings to these questions. It draws on the results of a large-scale Scoping Study that sought perspectives from experts equally distributed across (1) industries providing …

Yorga Moorditj Koort: Aboriginal And Torres Strait Islander Women’S Perspectives About Heart Health On Noongar Boodjar, Elia Bidgood, Cathy Garlett, Richard Chenhall, Amie Bingham, Francine Eades, Emily Banks, Melinda J. Carrington, Grace Joshy, Sandra Eades, Tabassum Rahman

Research outputs 2022 to 2026

In Australia, despite overall declines in cardiovascular disease (CVD)-related mortality, Aboriginal and Torres Strait Islander women develop heart disease earlier and experience more than twice the rate of related morbidity and mortality compared with non-Indigenous women. This study explores Aboriginal women’s understandings of the factors that shape their heart health and lived experiences of CVD. We spoke with 28 Aboriginal women aged ≥18 years—15 semistructured interviews and two yarning circles with an additional 13 Aboriginal women—with/without pre-existing CVD, and 10 healthcare professionals (HCPs) working with Aboriginal communities in the Perth metropolitan region, between May 2024 and April 2025. Data were …

An Open-Source Evaluation Framework For Risc-V Co-Design-Based Decimal Arithmetic, Riaz Ul Haque Mian, Michiko Inoue

Research outputs 2022 to 2026

Hardware–software co-design is a balanced strategy for computationally intensive algorithms such as decimal computing. It can provide several Pareto points for the development of embedded systems in terms of hardware cost and performance. In this study, we propose an efficient and accurate evaluation framework for decimal computing. The framework was designed and developed for hardware–software co-design decimal arithmetic using the RISC-V ecosystem. New binary and decimal-oriented instructions supported by an accelerator were developed. The framework can perform cycle-accurate analysis for performance and assess hardware overhead for co-design-based decimal arithmetic. Unlike previous studies that focused primarily on implementing and evaluating individual …

Dietary Patterns And Cognitive Decline In Older Adults: Findings From The Western Australia Memory Study, Carolina Blagojevic Castro, Samantha L. Gardener, Farzana Jahan, Juliana Chen, Belinda M. Brown, Ruey L. Loo, Kevin Taddei, Stephanie R. Rainey-Smith, Michael Weinborn, Ana Caroline R.Dos Reis, Manohar L. Garg, Ralph N. Martins, Hamid R. Sohrabi

Research outputs 2022 to 2026

Background: Preventive strategies, including adherence to specific dietary patterns, have received increasing attention as approaches to reduce cognitive decline and dementia risk. However, findings remain inconsistent, partly due to differences in dietary assessment methods, cognitive outcomes, and THE consideration of genetic susceptibility factors such as apolipoprotein E (APOE) genotype.

Methods: This study examined associations between dietary patterns and longitudinal cognitive change in 185 older adults without dementia from the Western Australia Memory Study. Participants completed a food frequency questionnaire at baseline and underwent comprehensive neuropsychological assessments at baseline and up to five follow-up visits at 18-month intervals. Composite scores were …

Early-Onset Colorectal Cancer With Liver-Only Metastases: A Retrospective Cohort Study Integrating Prospectively Collected Real-World Clinical And Molecular Data From An Australian National Database (2009–2024) To Guide Treatment Planning, Savio G. Barreto, Christos S. Karapetis, Shahid Ullah, Matthew Burge, Susan Caird, Angus Campbell, Azim Jalali, Ross Jennens, Muhammad A. Khattak, Belinda Lee, Stephanie H. Lim, Shehara Mendis, Louise Nott, Timothy J. Price, Jeremy D. Shapiro, Jeanne Tie, Javier Torres, Colin Williams, Rachel Wong, Vanessa Wong, Peter Gibbs

Research outputs 2022 to 2026

Objective: To leverage the Treatment of Recurrent and Advanced Colorectal Cancer (TRACC) registry (an Australian cancer database) to explore the ideal timing and sequence of therapies and the factors influencing these decisions in colorectal cancer (CRC) patients with liver-only metastases to inform contemporary decision-making and future trials.

Study Type: Retrospective registry-based cohort study using the TRACC registry.

Setting and Participants: Consecutive patients with liver-only metastatic CRC enrolled in the TRACC registry.

Main Outcome Measures: To explore cancer biology, intended treatment at presentation, actual treatment received and the resultant outcomes for early-onset CRC (EOCRC) (≤ 50 years) and late-onset CRC (LOCRC) …

Evaluating Echo2 Biochar As Sustainable Bitumen Binder Modifier In Road Pavements: High-Temperature Performance Characterisation, Adeel Iqbal, Nuha S. Mashaan, Themelina Paraskeva, Mohamed A. Shahin

Research outputs 2022 to 2026

The incorporation of bio-derived modifiers in bitumen binders presents a practical pathway toward sustainable, carbon-sequestering road pavement infrastructure. This study evaluates commercially produced ECHO2 softwood biochar as a modifier for Australian viscosity-graded C170 bitumen, combining microstructural, thermal, physical, and rheological characterization to assess its suitability as a high-temperature reinforcing modifier. In this study, biochar was incorporated at 3%, 6%, 9%, and 12% by weight, utilizing particles smaller than 75 µm to maximize interfacial interaction. Characterization via SEM-EDS, XRD, and TGA revealed a highly stable, carbon-rich, amorphous material with a rough, porous morphology, favourable for physical interlocking with the bitumen matrix. …

The Effect Of Acculturation On Equine Assisted Psychotherapy Satisfaction With Indigenous Populations, Reagan Joseph Alsbaugh

Theses and Dissertations

Past research has suggested that equine-assisted psychotherapy may be an effective, culturally relevant treatment modality for Indigenous individuals with substance-use disorders. The literature also suggests that mental health outcomes may be mediated by an Indigenous individual’s level of acculturation. It was hypothesized that individuals who were traditional or bicultural would report higher levels of satisfaction with their experiences in equine therapy than those who are assimilated or marginal. There were 17 Native American participants who had completed at least 4 weeks of an equine-assisted therapy program who participated in the study. Of the participants, 8 were traditional and 9 were …

Consent Teachings In Sex Education: A Qualitative Study, Andrea Rose Doyon

Theses and Dissertations

The current study sought to qualitatively explore sex educator's beliefs about sexual consent and how it is included in their sex education curricula. Additionally, how sex educators perceived their sexual education curricula and, more specifically how their students responded to information regarding sexual consent, were explored. Overall, the goal of the current study was to better understand the experiences and attitudes held by sex educators in Upper Midwestern schools regarding sexual consent information in their sex education courses, and their perceptions of what role community attitudes have on the teaching of sexual consent. This study utilized a grounded theory methodology …

Robotic Arm-Assisted Structured-Light 3d Reconstruction For Large-Area Surface Modeling, Ahmed Elfarran

Theses and Dissertations

This dissertation develops and evaluates a robotic arm-assisted structured-light 3D reconstruction framework for improving reconstruction accuracy and surface coverage under practical experimental conditions. The system integrates camera-projector calibration, Gray-code projection, X/Y decoding, triangulation, MATLAB-based geometric correction, robotic multi-view acquisition, point-cloud alignment, and stitching. First, a tilted-projector structured-light setup was tested with the projector positioned approximately 20 degrees relative to the object plane. This non-ideal configuration introduced global tilt and geometric distortion in the raw point cloud. After correction, the RMSE decreased from 2.8 mm to 0.9 mm, the tilt error decreased from 4.5 degrees to 0.8 degrees, and the dimensional …

On Design Of Sustainable Additively Manufactured Composite And High Performance Ceramic Structures, Awad E Ahmed Elhassan

Theses and Dissertations

This thesis presents two complementary approaches for developing sustainable engineering materials through additive manufacturing and advanced ceramics. The first study investigates the utilization of recycled wind turbine blade waste as reinforcement in Selective Laser Sintering (SLS) of Nylon 12 composites. Composites containing 5 vol.% resin powder and 4.65 and 18.82 vol.% wind turbine waste were fabricated in both solid and porous configurations, and evaluated for their mechanical, tribological, and surface properties. The results demonstrated that 4.65 vol.% reinforcement provided the optimal balance between mechanical performance and sustainability, while 18.82 vol.% significantly enhanced the wear resistance. The second study focuses on …

Readiness To Provide Inclusive Care For Sexual And Gender Minority Patients In Rural Physical Therapy Education And Practice, Steven Halcrow

Theses and Dissertations

This research examined the readiness of physical therapists (PTs) and student physical therapists (SPTs) to provide inclusive and affirming care to sexual and gender minority (LGBTQ+) populations, with particular attention to states with substantial rural populations. Guided by the Sexual and Gender Minority Health Disparities (SGMHD) Framework, the study investigated three core constructs related to LGBTQ+ clinical competence: Basic Knowledge, Attitudinal Awareness, and Clinical Preparedness. A quantitative, cross-sectional survey design was utilized, including demographic characteristics, indicators of rurality, LGBTQ+-related educational exposure, political affiliation, generational cohort, and the Lesbian, Gay, Bisexual, and Transgender Development of Clinical Skills Scale (LGBT-DOCSS). A total …

The Effects Of Deepfake Education On Detection Ability And Media Trust, Richard Hawkins

Theses and Dissertations

The proliferation of AI-generated media, particularly deepfakes, has generated growing concerns regarding misinformation, media authenticity, and public trust in digital communication. This study investigates how education about deepfakes influences the ability to detect deepfake and genuine videos as well as trust in media institutions. Drawing on Inoculation Theory, media literacy research, and sociological perspectives on misinformation and trust, this research examines whether educational materials about deepfakes enhance detection abilities while simultaneously reducing trust in media. A between-subjects experimental design was employed, with 220 undergraduate participants randomly assigned to either an educational treatment condition or a control condition. Pretest measures assessed …

Effects Of A Rear-Flank Storm Interaction On Supercell Behavior And Tornado-Like Vortex Development In Idealized Simulations, Kyle Joseph Gillett

Theses and Dissertations

Observationally, storm interactions have been associated with changes in severe convective storm behavior and evolution, including the development and maintenance of tornadoes. In particular, the interaction of neighboring convection in or near the rear flank of a supercell thunderstorm has frequently been associated with tornadogenesis. Although statistical relationships associated with these behavioral changes have been established, the physical mechanisms governing their evolution remain poorly understood. Presented are two sets of numerical experiments, each consisting of five idealized model simulations. One experiment set simulates a discrete “parent” supercell thunderstorm, while the other simulates the same “parent” subjected to a rear-flank interaction …

Exploring The Effects Of Anti-Lgbtq+ Legislation On The School Ecosystem Based On The Perspectives And Experiences Of Public School Teachers, Kamryn Holtz

Theses and Dissertations

The current study aimed to qualitatively explore queer and LGBTQ+ allied k-12 teachers’ perceptions and experiences related to recent anti-LGBTQ+ legislation. As health disparities among queer youth worsen due to changes in the sociopolitical climate and political sphere (Chokus-Bradley et al., 2022; Kline et al., 2022), teachers have a unique opportunity to support queer students through their roles and relationships within schools. Researchers contextualized the affirming intervention strategies teachers utilized through the Systems View of School Climate (Rudasill et al., 2018). Through semi-structured interviews, participants shared how the legislative changes have impacted strategies they use to support queer students, as …

Impact Of Active Learning On Student Performance In An Introductory Atmospheric Science Laboratory Course, Kassidy Danae Kjos

Theses and Dissertations

Little investigation into pedagogy in atmospheric sciences has been conducted. While numerous studies across STEM disciplines have examined and demonstrate active learning (AL) is beneficial to student performance, fewer than fifty explored atmospheric sciences specifically. This study expands upon these few existing studies by evaluating a diverse set of AL strategies implemented into introductory meteorology laboratories. Five AL techniques (Think-Pair-Share, Game-Based, Role-Playing, Diagramming, and Gallery Walks) were implemented between two semesters across multiple laboratory sections. Student performance is analyzed using the laboratory and its accompanying lecture curriculum assessments, as well as through pre- and post-tests. Results indicate students exposed to …

Deep Learning For Lithium-Ion Battery Status Monitoring: Robust State-Of-Charge And Trustworthy State-Of-Health Estimation, Mingwei Lei

Theses and Dissertations

In electric vehicle and energy storage applications, the reliable operation of safety-critical battery management systems (BMS) relies on accurate, real-time estimation of the state of charge (SOC) and state of health (SOH). Although data-driven methods show great potential, their practical application is primarily constrained by two major challenges. First, battery operation under real-world conditions involves continuously varying factors—such as temperature, aging stages, and dynamic cell characteristics—making it impossible to exhaustively cover all scenarios during laboratory data collection. This discrepancy often leads to a significant decline in estimation performance due to the domain shift problem. Second, engineering practice requires a balance …

Molecular And Cellular Mechanisms Of Neuromodulators In The Regulation Of Neural Activities And Memories In The Hippocampal Formation, Chidiebele Sharon Oraegbuna

Theses and Dissertations

The dentate gyrus (DG) and medial entorhinal cortex (MEC) are critical regions of the limbic system involved in spatial navigation, pattern separation, neurogenesis, learning and memory, and mood regulation. Alterations within the DG circuitry have been implicated in cognitive impairments in Alzheimer’s disease (AD), schizophrenia, major depressive disorder, and temporal lobe epilepsy. Disruption in the MEC is associated with the onset of AD pathology, temporal lobe epilepsy and schizophrenia. The roles of the DG and MEC in health and disease are mediated by their precise cellular activity. The main neurons of the DG are the glutamatergic granule cells (GCs) and …

Body-Scanning, Mindset, And Mindfulness: An Investigation And Augmentation Of A Relaxation Practice, Nathaniel Joseph Pagel

Theses and Dissertations

Meditation-related practices impact a variety of psychological outcomes. However, as new methods emerge, investigations of novel practices are crucial to promoting effective interventions. This study centrally tests the potential for non-sleep deep rest (NSDR) to improve scores on measures related to anxiety and cognitive performance, and the potential augmentation of NSDR through unilateral cathodal tDCS of the left-DLPFC (i.e., F3). A preregistered design was used to test if NSDR improves scores on measures related to cognitive performance, mediation states, anxiety, if scores from the Learned Helplessness Scale and the Growth Mindset Scale moderate the relationship between the experimental condition and …

Understanding The Mmiw/Mmip Crisis: Jurisdictional Gaps, Institutional Failure, And Public Perception, Taylor Julia Pesch

Theses and Dissertations

The Missing and Murdered Indigenous Women (MMIW) Crisis/Missing and MurderedIndigenous People (MMIP) crisis calls attention to the ongoing issues with underreporting and violence against Indigenous people. As years have gone by, the rates of violence and disappearances have increased. The Women’s Wilderness webpage reports that in 2016, the National Crime Information Center (NCIC) recorded around 5,712 cases of Missing and Murdered Indigenous women and children; however, the database in the U.S. Department of Justice has only recorded 116 cases, highlighting a significant issue in MMIW reporting (Native Women’s Wilderness, n.d.). This study explores how jurisdictional barriers and reporting gaps can …

A Framework For Integrating Virtual Reality Into The Curriculum Of Leadership In Physical Education And Sport Program At North Dakota State University, Justin T. Pieterick

Theses and Dissertations

There has been an increase across professional fields in the use of virtual reality (VR), a computer-generated immersive environment that allows users to interact with 3D simulations (Lowood, 2026), to increase the amount of authentic, practice-based experiential learning opportunities. In physical education and sport leadership preparation, VR offers a way to help students move beyond learning about leadership in theory and more toward practicing leadership in realistic, immersive situations. This study grew from the researcher’s professional experiences as a coach and Activities Director, where he learned that many important leadership lessons came through professional experiences involving decision-making, stakeholder relationships, conflict …

Strengthening Teacher Development Through School-University Partnerships: A Document Analysis Informed By Improvement Science, Holly Ripley

Theses and Dissertations

Teacher shortages have become a persistent challenge across the United States, particularly following the COVID-19 pandemic. Although alternative certification pathways have helped fill vacancies, many have also resulted in underprepared teachers entering the profession. This Dissertation in Practice addresses the need for sustainable solutions that strengthen teacher preparation while supporting school districts facing workforce shortages. Guided by improvement science and the Plan-Do-Study-Act cycle, this study investigates school-university partnerships as a strategy for addressing both teacher shortages and teacher preparedness. A qualitative document analysis was conducted to examine funded school-university partnerships and state policies that support their implementation. The study explored …

Cultural Identification And Preferences In Treatment For American Indian Adults With Substance Use Disorder, Megan Kay Saboo

Theses and Dissertations

Substance use disorders occur at a disproportionately higher rate for American Indian adults in the United States, yet there is a limited understanding of how those in the recovery process perceive their American Indian culture as a meaningful component of their treatment. This study intended to address this gap in the research and to assist with tribal efforts in treating substance use disorder among a small sample of American Indian adults enrolled in a Northern Plains tribe by assessing cultural identification and the importance, contribution, and incorporation of cultural traditions, practices, and ways of living into the recovery process. Results …

Hidden In Plain Sight: A Single-Case Study Analysis Of An Established Employee Well-Being Department In Higher Education, Andria Spaeth

Theses and Dissertations

This study addresses the perceptions and experiences of student-facing staff within the Divisionof Student Affairs at the University of North Dakota to understand how they currently have their holistic well-being needs met through the Work Well department and the support they receive from the senior administration. A detailed review of the relevant literature is included. A qualitative single-case study research methodology is used alongside the Social Cognitive Theory framework to examine the current perceived support student-facing staff have.

The case study follows a bounded system approach with the Work Well department serving as the site selection as the worksite wellness …

Investing In Tomorrow's Citizens: Exploring Generation Alpha Middle School Students' Perspectives On Civics And Education, Talia Luccia Vazquez

Theses and Dissertations

Democracy requires maintenance from an active, informed citizenry, yet civic literacy in the United States has been rapidly declining while its democratic structures face systematic subversion. To reverse this, educational researchers have recommended increasing time for K–12 civics education. While devoting more time to middle school civics education could help rebuild a civically literate citizenry, public middle schools face the unique challenge of teaching a student population that is experiencing rapid physical and psychological development, alongside a well-documented dip in academic motivation and engagement. Tailoring civics education to be academically motivating to the current student demographic—Generation Alpha—requires an understanding of …

Emotional And Physical Neglect As Predictors Of Mcmi-Iv Personality Scales, Jenna Wolff

Theses and Dissertations

Theodore Millon (2011) proposed that specific developmental experiences and childhood adversities contribute to personality pathology, although these hypotheses have received limited empirical investigation. Participants (N = 490) completed the Millon Clinical Multiaxial Inventory-IV (MCMI-IV) and self-report measures of childhood adversity. Hierarchical ordinal regression analyses examined whether childhood adversities predicted elevations across MCMI-IV personality scales after controlling for age, gender, and co-occurring abuse. Although neglect was the primary focus of the study, childhood physical and emotional abuse emerged as the most consistent predictors across models. Both forms of abuse significantly predicted elevated masochistic, borderline, and schizotypal personality scores. Emotional abuse uniquely …