Digital Commons Network^™

Combatting Registered Behavior Technician Burnout In A Clinic Setting, Katelyn Kendziora

Research Papers

This study aimed to combat burnout in Registered Behavior Technicians (RBT) who were providing services to children with autism spectrum disorder (ASD), aged 2-10, within a clinic setting. Participants selected were [8] RBTs working 30-40 hours per week. Participants were asked to complete the Copenhagen Burnout Inventory (CBI) 1-2 times daily. This survey included various questions that score respondent’s current levels of burnout. A multiple baseline design was used to assess the impact of a brief Acceptance and Commitment Therapy (ACT) training on participant burnout scores on the CBI. Out of the 8 participants recruited/consented, only 1 completed the full …

Students' Perceptions Of Effects Of Tiktok On Academic Performance: A Case Study At Southern Illinois University, Stellah Nakiranda

Research Papers

No abstract provided.

Enhancing Comfort And Sustainability: Analyzing The Impact Of Natural Ventilation And Eco-Friendly Materials On Indoor Temperature Reduction, Hyo Won Lee

UNF Graduate Theses and Dissertations

As the world grapples with issues such as increasing energy consumption, climate change, and environmental degradation, the need for sustainable solutions is becoming more and more urgent. In this context, passive cooling has emerged as one of the promising approaches to achieve energy efficiency in various sectors. This research study the basic concept of passive cooling to new buildings to identify synergies in energy savings when reducing temperature inside buildings and applying eco-friendly materials, and to explore potential benefits for promoting sustainable development. By analyzing existing research, case studies, and technological advancements, this study seeks to highlight the feasibility and …

Exploring The Lived Experiences Of Title I Elementary School Principals And Youth Mental Health: An Interpretative Phenomenological Analysis, Marva Mckinney

UNF Graduate Theses and Dissertations

An interpretative phenomenological analysis (IPA) investigates how individuals make meaning of their social and personal environments. The primary questions that guide the exploration of the principals’ perspectives for this study include “How do Title 1 elementary school principals describe their leadership experiences in relation to student mental health challenges?”, “How do these experiences shape their perceptions of youth mental health within their schools?”, and “How do Title 1 elementary school principals understand the impact of external factors on their ability to address youth mental health challenges?”. According to Rousmaniere (2013, pp. 19–55), the principal has the most complex role in …

Transformer-Enabled Deep Reinforcement Learning For Coverage Path Planning, Daniel B. Tiu

UNF Graduate Theses and Dissertations

Coverage path planning (CPP) is the problem of covering all points in an environment and is a well-researched topic in robotics due to its sheer practical relevance. This paper investigates such an offline CPP problem where the primary objective is to minimize the path length to achieve complete coverage. Furthermore, the literature suggests that taking turns leads to a higher energy use than going straight. To this end, we design a novel objective function that aims to minimize the number of turns as well. We have proposed a deep reinforcement learning (DRL)-based framework that uses a Transformer model. Unlike state-of-the-art …

Functional Investigation Of Shaggy, An Inhibitor Of Canonical Wnt Signaling, In The Tardigrade Hypsibius Exemplaris, Raul A. Chavarria

UNF Graduate Theses and Dissertations

Tardigrades have a highly simplified anteroposterior (AP) axis. The mechanisms that regulate the development of this secondarily simplified AP axis are not known. In many animals, the canonical Wnt (cWnt) signaling pathway regulates primary axis establishment through antagonistic interactions with inhibitors of cWnt signaling. This study investigated the roles of shaggy, an inhibitor of cWnt signaling, in regulating development in the tardigrade Hypsibius exemplaris. Gene expression patterns of shaggy and other components of the cWnt signaling pathway were analyzed alongside markers of anterior and posterior identity using Hybridization Chain Reaction in situ in H. exemplaris. RNA interference …

Examining Potential Causal Associations Of Sedentary Time And Physical Activity With Heart Failure Using Subjective And Objective Measures: A Mendelian Randomization Analysis, Jessica Geller

UNF Graduate Theses and Dissertations

Purpose: The objective of this study was to assess the causal relationship between both subjectively and objectively measured sedentary time (ST) and physical activity (PA) with heart failure (HF) risk, utilizing Mendelian Randomization (MR) approach.

Methods: The present MR used genetic instruments identified for self-reported ST and PA extracted from 51 genome wide association studies (GWAS), encompassing data from 703,901 individuals. The GWAS identified 89 independent single nucleotide polymorphisms (SNPs) associated with leisure screen time. Eleven loci were reported to be associated with moderate to vigorous physical activity (MVPA). From another GWAS examining accelerometer-based activities, three loci were found to …

Moving Beyond The Barriers: Understanding How Youth Development Professionals Advocate For Disability Inclusion Within Mentoring Programs, Genelle C. Thomas

UNF Graduate Theses and Dissertations

Despite the proven youth development benefits of mentoring programs, youth with disabilities are often excluded from these opportunities. Fortunately, training and certification programs exist to support organizations in improving disability inclusion strategies and practices. Despite these opportunities, organizations still regularly struggle with making meaningful changes in this area. Therefore, it is important to understand how graduates of these training and certification programs experience facilitators and barriers to disability inclusion, what advocacy strategies they leverage to address these barriers, and how they impact their organizations to become more inclusive of youth with disabilities. The purpose of this study was to further …

Sleep, Sedentary Time, And Physical Activity In Heart Failure Subtypes: Multi-Ethnic Study Of Atherosclerosis (Mesa), Demi M. Nott

UNF Graduate Theses and Dissertations

INTRODUCTION: Previous studies have examined the associations between physical activity (PA), sedentary time (ST), and sleep on the risk of heart failure (HF). The primary aim of this study was to examine PA, ST, and sleep quality (SQ) in those diagnosed with preserved ejection fraction HF (HFpEF) and reduced ejection fraction HF (HFrEF). The secondary aim of this study was to examine these relationships in those with and without HF, independent of sub-type.

METHODS: The Multi-Ethnic Study of Atherosclerosis (MESA) collected data from 6,814 adults from a diversified cohort who range in age from 45 to 84. Subjects were classified …

Process, Structure, & Property Investigation Of Gallium-Based Metallic Alloys Processed At Room Temperature, Jennifer E. Ruliffson

UNF Graduate Theses and Dissertations

Metallic and intermetallic alloys are important in engineering, necessitating a thorough comprehension of their structure, processing, and properties. Amalgams are a class of alloy which are synthesized by various methods to produce diverse properties. Gallium-based amalgams, particularly gallium eutectic alloys, have low melting points, which allow for applications in dentistry and temperature sensitive electronics. This thesis investigates the process-structure-property relationships of gallium-based amalgams mixed with copper. Phases, microstructure, and diffusion processes are investigated using XRD and SEM. Adhesion strength and thermal properties are then correlated to these as well as process steps. This study contributes to advancing the understanding and …

Processing Of Niti Sma For High Reflectivity Applications, Nicholas Dean Asbury

UNF Graduate Theses and Dissertations

Nickel Titanium (NiTi) is a shape memory alloy (SMA) that is capable of being deformed and subsequently returned to the original shape through heating. This unique property makes NiTi a prime material for potential applications in the aerospace industry. As manufacturing capabilities advance, the ability to produce and implement advanced materials, such as shape memory alloys like NiTi, becomes more feasible. One such application being studied is deployable mirrors for imaging satellites. Reflector and mirror surfaces for imaging in the visible and infra-red range of the light spectrum require low surface roughness across the largest allowable area for the collection …

Factors Influencing Household Travel Behavior And Trip Distances In Florida: A Rural Vs. Urban Perspective, Kadeem Lafargue

UNF Graduate Theses and Dissertations

This thesis investigates disparities in travel behaviors between rural and urban populations in the United States, with a specific focus on Florida. Leveraging data from the 2017 National Household Travel Survey (NHTS), the study examines demographic factors such as age, income, and household size, and their influence on travel patterns. By employing statistical methods including Poisson and negative binomial regression models, the research explores two key variables: the frequency of trips made per day and the average trip distance in miles. These models are particularly effective in handling overdispersion in count data, ensuring a robust analysis of travel behaviors across …

Food Insecurity And Eating Disorders In College Students: Two Scoping Reviews, Barbara Jan Goldman

UNF Graduate Theses and Dissertations

Objective: These scoping reviews explore the broad body of research post-secondary students experiencing food insecurity and eating disorders, to identify trends and gaps to inform future research.

Methods: Three search engines (PubMed, Web of Science, and CINHAL Full Text) were systematically searched for articles reporting on food security status in U.S. college students for manuscript one and post-secondary students experiencing food insecurity and maladaptive eating behaviors or eating disorders for manuscript two.

Results: One-hundred and sixty studies met inclusion criteria for manuscript one. Emerging high-risk student characteristics include gender non-conforming (GNC) and non-binary, financial independence in college, and pregnant and …

Linear Topological Space, Vi Nguyen

UNF Graduate Theses and Dissertations

This thesis begins with an introduction to linear and topological spaces and then defines linear topological spaces. It studies key properties such as neighborhoods, convexity, reflexivity, and weak and weak* topologies. Finally, it concludes with solving non-linear partial differential equations.

Evaluating The Use Of Baited Remote Underwater Video (Bruv) In Assessing Shark And Fish Populations In A Low Visibility Estuarine System, The Tolomato River, Fl, Usa, Sarah Worthington

UNF Graduate Theses and Dissertations

Recently, there has been increasing use of baited remote underwater video (BRUV) surveys for assessing shark and fish populations in marine ecosystems. This approach can be useful because it may provide a non-destructive, non-extractive, and cost-effective alternative to traditional fishing-based methods. However, to date, most studies using BRUVs have focused on their use in high-visibility ecosystems, such as tropical reefs. Furthermore, few studies have compared results from BRUV surveys with those obtained using traditional methods to evaluate the efficacy of this approach. Therefore, the goal of this study was to evaluate the effectiveness of using BRUV surveys to assess shark …

Analysis Of Shoreline Erosion At Cumberland Island Using Advanced Circulation (Adcirc) Modeling, Christopher Harrigan

UNF Graduate Theses and Dissertations

This study investigates shoreline erosion at Brickhill Bluff along the Brickhill River in Cumberland Island National Seashore using ADCIRC. Two scenarios were modeled during this research: bed stresses during regular tidal cycles and bed stresses during worst-case storm (i.e., hurricane) conditions. Velocities from these models were used to compute bed shear stresses and these stresses were compared to site’s sediment critical shear stress. Results appear to show that a meander in the Brickhill River causes relatively high (i.e., on the order of 0.27 ��/��² ) shear stresses during regular tidal cycles and even higher (i.e., on the order of …

A 30-Year Time Series Analysis Of The Impact Of Climate Change On Corn Yield In Iowa Using The Autoregressive Distributed Lag Model – 1992 To 2022, Tesleem Ajisafe

Dissertations and Theses @ UNI

Climate change poses significant socio-economic challenges globally, notably altering weather patterns and increasing the frequency and severity of extreme weather events (Seneviratne et al. 2021). This study investigates the impact of climate change on corn yield in Iowa from 1992 to 2022, using the autoregressive distributed lag (ARDL) model to analyze time series data on temperature, precipitation, and corn yield at the county level. Iowa, the leading corn producer in the US (Xu, Twine, & Girvetz 2016), has experienced an 8% increase in precipitation from 1873 to 2008, with notable effects in the eastern region (“Climate Change,” n.d.). A detrending …

Assessment Of Heavy Metals (Cr, Cu, Pb, And Zn) Bioaccumulation And Translocation By Erigeron Canadensis L. In Polluted Soil, Volodymyr Laptiev, Michelle Giltrap, Furong Tian, Nataliia Ryzhenko

Research Outputs: 2025-Present

This work aims to assess the bioavailability and bioaccumulation of Cr, Cu, Pb, and Zn in the soil–plant system (Erigeron canadensis L.) in the zone of anthropogenic impact in Dnipro city, a significant industrial and economic centre of Ukraine. Sampling was carried out at three locations at distances of 1.0 km, 5.5 km, and 12.02 km from the main emission sources associated with battery production and processing plants in Dnipro. The concentrations of heavy metals such as Cr, Cu, Pb, and Zn were analysed using atomic emission spectrometry from soil and parts of Erigeron canadensis L. The highest concentrations of …

Advanced Optical Photothermal Infrared Spectroscopy For Comprehensive Characterization Of Microplastics From Intravenous Fluid Delivery Systems., A Tarafdar, J Xie, A Gowen, O'Higgins Ac, Xu Jl

Research Outputs: 2025-Present

No abstract provided.

Bridging Biomedical Research With Aerospace Engineering In The Lab Of Tomorrow, Christine Walck

Publications

“My goal with this lab is to take biomedical research and tie it into a school that is grounded in aerospace and aeronautical engineering,” says Assistant Professor of Mechanical Engineering at Embry-Riddle Aeronautical University’s Daytona Beach Campus, Christine Walck. “How do I make that connection? That’s the question I’ve been working on for the past couple of years with Vicon.”

Advancements In Ai-Driven Education: Transforming Learning And Training With Intelligent Technologies, Sharon L. Burton

Publications

This article examines the transformative role of Artificial Intelligence (AI) in higher education, focusing on its integration in learning methodologies and its impact on student engagement and outcomes. Recent research underscores the increasing use of AI in education, where it is reshaping teaching and learning dynamics by facilitating personalized and effective learning experiences. Applying Literature review, the study further explores AI's role in enhancing independent learning abilities and student satisfaction, with intelligent learning tools proving crucial in improving user contentment and intent to use. Additionally, it considers the ethical and risk management aspects of AI in education, including data governance …

Fundamentals Of Sustainability, Eva Maleviti

Publications

Fundamentals of Sustainable Aviation is the frst textbook to survey the critical feld of sustainability within the aviation industry. Taking a systems thinking approach, it presents the foundational principles of sustainability and methodically applies them to diferent aviation sectors. Opening with the basics of sustainability, emphasising the Sustainable Development Goals, the book then considers the environmental, economic and social dimensions of aviation. The following chapters apply these insights to aviation design, supply chains, operations, maintenance and facilities. The fnal chapter examines the concept of resilience in sustainable aviation. Overall, the textbook shows how future sustainability can be achieved by making …

Perspective: The Evolution Of Hormones And Person Perception-A Quantitative Genetic Framework, Christopher I Gurguis, Tyler S Kimm, Teresa A Pigott

Faculty, Staff and Student Publications

Evolutionary biology provides a unifying theory for testing hypotheses about the relationship between hormones and person perception. Person perception usually receives attention from the perspective of sexual selection. However, because person perception is one trait in a suite regulated by hormones, univariate approaches are insufficient. In this Perspectives article, quantitative genetics is presented as an important but underutilized framework for testing evolutionary hypotheses within this literature. We note tacit assumptions within the current literature on psychiatric genetics, which imperil the interpretation of findings thus far. As regulators of a diverse manifold of traits, hormones mediate tradeoffs among an array of …

Fitness Consequences Of Depressive Symptoms Vary Between Generations: Evidence From A Large Cohort Of Women Across The 20th Century, Christopher I Gurguis, Renée A Duckworth, Nicole M Bucaro, Consuelo Walss-Bass

Faculty, Staff and Student Publications

Depression has strong negative impacts on how individuals function, leading to the assumption that there is strong negative selection on this trait that should deplete genetic variation and decrease its prevalence in human populations. Yet, depressive symptoms remain common. While there has been a large body of work trying to resolve this paradox by mapping genetic variation of this complex trait, there have been few direct empirical tests of the core assumption that there is consistent negative selection on depression in human populations. Here, we use a unique long-term dataset from the National Health and Nutrition Examination Survey that spans …

2024 Yearbook, Risd Archives, Center For Student Involvement (Csi), Risd Design Guild

RISD Yearbooks

No abstract provided.

Examining Peer Review Network Dynamics In Higher Education Visual Communication Courses Using Ergm, Ly Dinh, Alon Friedman, Kevin Hawley

School of Information Faculty Publications

Peer review plays a pivotal role in shaping collaborative learning environments and evaluating student engagement, but there is a lack of research on the relational dynamics that underlie the interactions between students during the peer review process, which is critical for understanding the effectiveness of peer review for students’ learning outcomes. Using explanatory sequential study design, this study’s objectives are to explore the dynamics of peer review as a feedback mechanism in higher education within a social network context, focusing on student interactions during the feedback process. Specifically, we applied dyadic-independent Exponential Random Graph Modeling (ERGM), along with mixed-methods …

Multi-Task Learning For Predicting Quality-Of-Life And Independence In Activities Of Daily Living After Stroke: A Proof-Of-Concept Study, Thi Nguyet Que Nguyen, Alejandro García-Rudolph, Joan Saurí, John D. Kelleher

Research Outputs: 2025-Present

A health-related (HR) profile is a set of multiple health-related items recording the status of the patient at different follow-up times post-stroke. In order to support clinicians in designing rehabilitation treatment programs, we propose a novel multi-task learning (MTL) strategy for predicting post-stroke patient HR profiles. The HR profile in this study is measured by the Barthel index (BI) assessment or by the EQ-5D-3L questionnaire. Three datasets are used in this work and for each dataset six neural network architectures are developed and tested. Results indicate that an MTL architecture combining a pre-trained network for all tasks with a concatenation …

Exploring Analytical Frameworks To Investigate Power Dynamics In Collaborative Learning In Engineering Education, S. I.Cruz Moreno, S. Chance

Research Outputs: 2025-Present

Previous research has examined patterns in women's team interactions within collaborative learning environments, highlighting potential barriers that hinder their full participation. This paper explores two analytical frameworks that could be beneficial in investigating power dynamics in such settings. Through a narrative literature review, we establish links between individuals' experiences and broader social or institutional practices, revealing underlying discourses and power relations. We identify a lack of evidence regarding discourses shaping attitudes and behaviours that perpetuate power inequities. Awareness of these dynamics could facilitate the provision of support and empathy to a more diverse group of students in engineering education.

Engineering Education Research: Writing For Publication, J. Bernhard, M. Van Den Bogaard, R. Broadbent, S. Chance, S. Daniel, I. Direito, X. Du, K. Edström, D. Knight, S. Male, D. May, J. E. Mitchell, N. Wint

Research Outputs: 2025-Present

This interactive workshop, facilitated by a team of editors, associate editors and experienced reviewers from a number of leading journals in engineering education, allowed participants the opportunity to network with other researchers and to learn about the journal publication process and how best to navigate it as an author.It provided an informal opportunity for both early-stage scholars, as well as those with more experience, to share their publication journeys and experiences, both positive and negative, directly with each other and journal editors.

A Growing And Maturing Field, Jonte Bernhard, Shannon Chance, Tinne De Laet, Kristina Edström

Research Outputs: 2025-Present

The 8^th SEFI Doctoral Symposium in Engineering Education Research, held at the campus of EPFL on Sunday, September 1^st, preceded the SEFI 2024 Annual Conference. In all, 31 Ph.D. researchers attended. They came to share and further probe their Ph.D. research topics and study plans and to strengthen and extend their professional networks. During this full and intense day, 22 established scholars provided the Ph.D. researchers with personal feedback and ideas regarding their research. Highlights, according to the Ph.D. student participants, were the welcome and sense of support and belonging they experienced from the engineering education research …