Digital Commons Network^™

Staff Education To Improve Fall Prevention Knowledge In A Transitional Care Unit, David M. Ogato

Walden Dissertations and Doctoral Studies

No abstract provided.

No Excuses. All Ownership. Music As Meaning, Business As Longevity, Taylor Atherton-Henry

Student Theses

Music has always been more than a creative outlet for me; it is a reflection of identity, emotion, discipline, and the way I move through the world. Long before it became a profession or an academic pursuit, music functioned as a language through which I could process experience, express love, and make sense of both joy and struggle. As I progressed through this program, it became increasingly clear that my artistic development and professional aspirations were evolving simultaneously. What began as separate goals, creating an album and establishing a music production company, ultimately became inseparable. Each process informed and strengthened …

Smaller Right Ventricle Results In Poorer Exercise Performance In Young Patients With Repaired Tetralogy Of Fallot, Christiane Mhanna, Katerina Kourpas, Takeshi Tsuda

Department of Pediatrics Faculty Papers

BACKGROUND: Severe right ventricular (RV) dilatation and exercise intolerance are considered indications for pulmonary valve replacement in surgically repaired tetralogy of Fallot (rTOF).

METHODS AND RESULTS: Cardiopulmonary exercise testing (CPET) and cardiac magnetic resonance (CMR) were performed in rTOF patients with pulmonary insufficiency (PI). Oxygen pulse (OP), calculated as oxygen consumption (V̇O

CONCLUSIONS: A smaller RV was associated with worse exercise performance, indicating exercise intolerance is independent of RV dilatation in young rTOF with PI and represents a unique pathological entity responsible for reduced exercise performance.

Novel Similarity Technique Of Neutrosophic Sets And Application In Higher Education Context, Duong.T.T Duong, Huynh.T Uyen, Duong.T. Dam, Nguyen Dinh Huy

Neutrosophic Sets and Systems

No abstract provided.

Key Techniques And Application Of The Zdy15000ldk High-Power Automatic Directional Drilling Rig, Li Quanxin, Zhang Gang, Fang Peng, Xing Wang, Yao Ke, Zhang Rui, Zhang Boyang, Zhao Xuefeng, Shi Yang, Sun Hanyu, Jia Qian

Coal Geology & Exploration

Objective For deep mining of coal mines, conventional directional drilling rigs face challenges including high labor intensity, limited control accuracy, a low intelligence level, and failure to meet the demand for efficient gas drainage. Meanwhile, high-power automatic drilling rigs encounter technical bottlenecks in automation, control accuracy, and process intelligence in this context. To address these issues, this study proposed an integrated and systematic solution—the ZDY15000LDK high-power automatic directional drilling rig. Methods Using a compact structural layout, a drill rod handling system was developed, consisting of a drill rod loading/unloading manipulator with four degrees of freedom and an automatic drill rod …

Probiotic Intake Related To Hemoglobin A1c Among U.S. Veterans With Type 2 Diabetes Mellitus, Maryann Martin

Walden Dissertations and Doctoral Studies

No abstract provided.

Staff Education On Reducing Falls In Psychiatric Inpatient Care Through A Nurse-Led Multifactorial Education And Prevention Program, Marceline Nkwenti

Walden Dissertations and Doctoral Studies

No abstract provided.

Staff Education To Reduce The Incidence Of Pressure Injury In Medical-Surgical Inpatients, Francis Omelu

Walden Dissertations and Doctoral Studies

No abstract provided.

Examining The Impact Of A Self-Employment Vocational Program In Texas On Black Men And Their Recidivism Rates, Alain Marie Matigi

Walden Dissertations and Doctoral Studies

No abstract provided.

Homeless Systems Of Care And Outcomes In The Augusta–Richmond County, Georgia Geographical Area, Zenia Negron

Walden Dissertations and Doctoral Studies

No abstract provided.

Bibliometric Study Of Neutrosophy As An Emerging Discipline, Miguel Cruz Ramírez, Osvaldo Jesús Rojas Velázquez, Elio H. Cables

Neutrosophic Sets and Systems

No abstract provided.

Applied Neutrosophic Triplets In Ai Decision Systems: Introduction To An Ongoing Case Study Across Agentic, Swarm, Rag, And Pipeline Architectures, Jean-Sebastien Beaulieu

Neutrosophic Sets and Systems

No abstract provided.

Mathematics Education And Its Contributions To Attention Deficit Hyperactivity Disorder, Randy Zabaleta, Osvaldo Rojas, Beatriz Villarraga, Miguel Cruz, Diana Pérez

Neutrosophic Sets and Systems

No abstract provided.

Neutrosophic Logic As A Framework For Managing Uncertainty In Artificial Intelligence, Conf. Univ. Dr. N. Grigorie Lăcrița, Craiova Craiova, Romania Romania

Neutrosophic Sets and Systems

No abstract provided.

Vigor: Virtual Intelligence For Gaze Observation And Representation, Meherun Nesa Shraboni

Theses and Dissertations

Eye tracking in modern XR head-mounted displays can capture high-frequency gaze data at 90–120 Hz, generating thousands of samples within a single 30-second interaction. At the same time, the XR market has grown to millions of active users worldwide, with major platforms such as Meta investing heavily in eye-tracking-enabled devices. Despite this large-scale adoption and data availability, most applications still rely on hand-controller input, with gaze either processed offline or reduced to a simple pointing signal. As a result, the majority of temporally rich gaze information remains unused in real-time interaction, limiting system responsiveness, reducing interaction fidelity, and preventing effective …

Injectable, In Situ Forming Peptide Nanofiber Reinforced Composite Hydrogels For Age-Related Macular Degeneration, Shambhavi Bagewadi Ms

Theses and Dissertations

Cell therapy for age-related macular degeneration (AMD) is limited by the absence of a functional substrate such as Bruch’s membrane (BM), which is critical for retinal pigment epithelial (RPE) cell survival and integration. Although preformed substrates have been explored, their implantation can disrupt the fragile retinal architecture, compromise ocular immune privilege and increase infection risk. To address these limitations, an injectable hydrogel capable of forming in situ was developed. The hydrogel consists of thiol-modified hyaluronic acid (HA-SH) and polyvinyl alcohol (PVA). Peptide nanofibers were incorporated to enhance structural reinforcement. Three self-assembling peptides - RADA-16, GAGA and GAGA-YIGSR were designed and …

A Multi-Agent Large Language Model Framework To Automatically Assess Performance Of A Clinical Ai Triage Tool, Adam Flanders, Yifan Peng, Luciano Prevedello, Robyn Ball, Errol Colak, Prahlad Menon, George Shih, Hui-Ming Lin, Paras Lakhani

Department of Radiology Faculty Papers

Radiology reports can be used as a surrogate for performance of clinical AI tools. Radiology reports were analyzed by an ensemble of eight open-source LLM models and a internal version of GPT-4o using a single multi-shot prompt that assessed for presence of ICH. Performance of the open-source models, consensus of models and GPT-4o were compared to human report review. Three ideal consensus LLM ensembles were tested for rating the performance of the triage tool. The capability of each LLM varied. The highest AUC performance was achieved with llama3.3:70b and GPT-4o. Using MCC the ideal combination of LLMs were: Full-9 Ensemble, …

Staff Education To Enhance Registered Nurses’ Knowledge And Utilization Of The Clinical Institute Withdrawal Assessment Alcohol Scale Revised (Ciwa-Ar) Tool In An Inpatient Psychiatric Unit, Reign Staron Beri

Walden Dissertations and Doctoral Studies

No abstract provided.

Family Caregivers’ Experiences Of Caring For Virally Nonsuppressed Hiv-Positive Adolescents In Uganda, James Byarugaba

Walden Dissertations and Doctoral Studies

No abstract provided.

Electrical Grid Architectures For Smart Cities From Digitalized Power Systems To Ai-Enabled Urban Energy Ecosystems, Ehab Bayoumi

Mechanical Engineering

Smart cities increasingly depend on electrical grid infrastructures capable of operating under high levels of digitalization, decentralization, and intelligence while maintaining reliability, security, and governance at the city scale. However, conventional power systems, historically designed for centralized generation and passive operation, are poorly aligned with the operational complexity, multi-actor coordination, and cross-sector integration characteristic of urban energy systems. This review develops an architecture-first perspective on smart-city electrical grids, tracing their evolution from digitalized power networks to decentralized and AI-enabled urban energy ecosystems. Rather than focusing on individual technologies, the study evaluates grid architectures using a multi-layer framework that integrates physical …

The Lion's Share: The Secret Land Grab Of Drake's Circumnavigation, Melissa Cole Darby

Anthropology Faculty Publications and Presentations

Francis Drake’s journey around the world between 1577 and 1580 is renowned as one of the most famous voyages in history. The circumnavigation was a great achievement for England, but the official story Queen Elizabeth and her Privy Council maintained for nine years was that Drake was a pirate, and that the treasure he captured on the voyage would be returned to Spain. Upon his return, information about the voyage and his route were suppressed and the crew was sworn to secrecy: they were not to reveal where they travelled on ‘pain of death’. Here I present the case that …

Cloud-Based Ai Framework For Ev Charging Forecasting And Infrastructure Optimization, Jerry Gao, Neeraja Abhinav Buch, Thuan Chau, Yumeng Sheng, Rong Wang, Siri Kadalbal

Faculty Research, Scholarly, and Creative Activity

The growing use of electric vehicles (EVs) has created a strong need for smart, data-driven charging management systems that can support large-scale and sustainable infrastructure. This study introduces a modular cloud-based framework that combines artificial intelligence and machine learning to provide predictive insights for energy demand and station expansion. The system mainly consists of two complementary models. The first is an AutoRegressive Integrated Moving Average (ARIMA) model that forecasts charging energy demand using transactional data from Palo Alto. The second is a Light Gradient Boosting Machine (LightGBM) model that predicts optimal charging-station locations using spatial data from the U.S. Department …

Electron And Hole Surface Roughness Scattering-Limited Mobilities In Oxygen-Inserted (Oi) Si Channel, Vikram Magendar, Yi Ann Chen, Albert Lu, Donghun Kang, Daniel Connelly, Marek Hytha, Hideki Takeuchi, Robert Mears, Hiu Yung Wong

Faculty Research, Scholarly, and Creative Activity

The electron and hole surface roughness scattering (SRS)-limited mobilities, deconvolved from 4.2 K measurements, were compared between oxygen-inserted (OI) and control Si channel for n- and pMOSFETs. It was found that electron SRS-limited mobility in the OI-Si channel is 55% higher, whereas hole SRS-limited mobility is comparable to the control. To elucidate the difference, the Si/Si O2 interface roughness and the nanoscale thickness variation of the gate oxide were analyzed in detail, via high-resolution transmission electron microscopy images, and fed into numerical calculation of the SRS-limited mobility. The power spectral densities (PSDs) based on the Yule–Walker autoregressive model revealed that …

Running Gait Kinematics Are Reproducible At The Beginning And End Of Two Different Intensity, Energy Expenditure Matched Runs, Using Either Discrete Points Or Functional Data Analysis, Sherveen Riazati, Nick Caplan, Philip R. Hayes

Faculty Research, Scholarly, and Creative Activity

Introduction – The aims of this study were to examine reliability of treadmill running kinematics: i) during two different intensity, energy expenditure matched, runs ii) at two time points within each run iii) using two different methods of statistical analysis. Methods – Twenty healthy club distance runners performed two high intensity interval runs (HIIT) and two medium intensity continuous runs (MICR). Kinematics during ground contact were analysed in all three planes of motion at the ankle, knee, and hip. Maximum angle and range of motion were identified and for Functional Data Analysis (FDA) all of the collected data was utilised. …

The Impact Of Mnar Attrition On Estimation Of Latent Growth Curve Models With Binary Observed Variables, Jason T. Newsom, Brian T. Keller, Mallory R. Kroeck, Nicholas A. Smith

Psychology Faculty Publications and Presentations

A Monte Carlo simulation was used to evaluate the performance of latent growth curve (LGC) modelswith binary observed variables when the attrition pattern was missing not at random (MNAR) for fivetime points. Parameter and standard error biases for three estimation methods were compared:weighted least squares with mean and variance adjustment (WLSMV), categorical robust marginal max-imum likelihood (categorical MLR), and Bayes. The results indicated that robust diagonal weightedleast squares paired with multiple imputation (MI) performed best when values were missing at ran-dom. When data were missing not at random, Bayesian estimates performed best.

Phytochemical Composition And Bioactivities Of Roselle (Hibiscus Sabdariffa L.) Extracts Obtained By Infusion, Ethanolic Maceration, And Maltodextrin-Assisted Drying, Risna Silvianti, Warsito Warsito, Elok Zubaidah, Zubaidah Ningsih, Aqidatul Izza

Karbala International Journal of Modern Science

Roselle (Hibiscus sabdariffa L.) is rich in phenolic compounds and anthocyanins, but the extraction method may influence its chemical composition and biological activity. This study compared hot-water infusion, ethanolic maceration, and maltodextrin-assisted drying. It aimed to examine the relationship between the extraction method, chemical profile, and bioactivity. The resulting extracts (EI, EM, and EP) were analyzed for total phenolic, flavonoid, and anthocyanin, LC-HRMS profiles, and antioxidant capacity by the FRAP assay. Antibacterial analysis was conducted against Escherichia coli (ATCC 25922) and Staphylococcus aureus (ATCC 25923) using agar well diffusion. Cytotoxicity tests (MTT, 24 h) were performed against HT-29, 4T1, …

Fiscal And Monetary Policies For Inclusive Growth In Developing And Emerging Markets, Collins Anosike

Journal of Global Awareness

The study examined the effects of monetary and fiscal policies in attaining inclusive growth for some developing countries and emerging markets. The study selected 20 countries and grouped them into group one and group two. The study is unique because it captures a broader range of countries compared to previous studies and shows their effect on economic growth. We use panel data and employ OLS regression and Johansen cointegration. We examine how each variable, general government expenditure, gross national expenditure, total revenue, official exchange rate, broad money, and deposit interest rate, affects the dependent variable (real GDP) from 1980 to …

Examining The Use Of Digital Journal Entries In A Special Education Course To Build Understanding Of Global Competence, Lema Kabashi, Leslie Rogers

Journal of Global Awareness

Teacher education programs increasingly emphasize the development of global competence (GC), particularly within experience-based learning contexts such as study abroad. This mixed-methods study examined teacher candidates’ (TCs) development of GC during a four-week study abroad experience by analyzing evidence from digital reflective journal entries and changes in self-reported perceptions across three time points. Data were collected from teacher candidates across two four-week summer sessions using digital journals and a Global Competence Self-Evaluation Survey. Qualitative content analysis was employed to identify the frequency with which three global competency areas were evidenced in the journal entries, while quantitative analyses examined changes in …

Lessons Learned In Providing Infant And Early Childhood Mental Health Consultation During The Covid-19 Pandemic, Rashele Wade

Journal of Global Awareness

Access to quality childcare is a protective factor from lifelong issues such as school failure, school drop-out, and incarceration. Conversely, preschool suspension and expulsion are significant risk factors. Evidence-based interventions, such as Infant and Early Childhood Mental Health Consultation, aim to reduce and eliminate the incidence of preschool suspensions and expulsions. The COVID-19 pandemic disrupted access to quality childcare for many children across the country and globally. This study utilized a qualitative action research approach and generic qualitative inquiry to examine the research question, “How can we improve Infant and Early Childhood Mental Health Consultation through lessons learned during the …

Heroism As Emotional Integration: A Process Model Of Emotion-Driven Heroic Action, Scott T. Allison

Heroism Science

Heroism is often framed as the expression of prosocial motivation fueled by positive emotions such as empathy, compassion, and moral elevation. This perspective, however, overlooks the complex emotional dynamics that characterize high‑risk, morally consequential action. This article advances a process model of heroism as emotional integration, involving the dynamic coordination of multiple and often competing emotions—including fear, anger, compassion, and moral concern—under conditions of uncertainty and threat. Drawing on research in heroism studies, positive psychology, and affective science, the model distinguishes heroism from ordinary helping by emphasizing emotional conflict, regulatory processes, and identity‑based commitment. It further differentiates rapid, intuitive …