Digital Commons Network^™

Barriers To Effectively Integrating Technology Into The Classroom, Laura Beth Mccarty

Dissertations

This study examined barriers to integrating 1:1 technology into the post-Covid classroom, with an emphasis on determining whether student misuse of technology was a new barrier seen in schools across the United States of America. An online survey instrument was developed to examine existing barriers as well as student misuse of technology as a new barrier. Exploratory factor analysis was used to examine the relationships between these variables, and descriptive statistics were examined to determine which variables were barriers to the effective integration of technology into the classroom. When examining existing barriers, lack of technology training and support remained a …

Teacher Perceptions Of Students With Disabilities And Their Ability To Meaningfully Participate In An Inquiry-Based Mathematics Model, Lori Luthy

Dissertations

This study focused on a school district in the Midwest region of the United States, which implemented a new inquiry-based math curriculum for all kindergarten through fifth-grade students during the 2021-2022 school year. The purpose of this study was to determine elementary general education and special education teachers’ perceptions of students with disabilities and their ability to learn mathematics at high levels from inquiry-based instruction. Also, the implications of deficit thinking were investigated. In addition, end-of-the-year progress results were compared to determine if implementing an inquiry-based model of mathematics increased student achievement. The population for this study consisted of educators …

K-12 Education And The Covid-19 Pandemic, Candice Beasley

Dissertations

This quantitative study aimed to explore how schoolwide closures during the COVID-19 pandemic affected student academic performance in selected Mississippi school districts and to examine the instructional strategies schools used during these closures. While there has been global research on the pros and cons of different teaching methods during and after the pandemic, specific data for Mississippi is still limited.

The researcher collected publicly available data from the Mississippi Department of Education. Student performance results from the Mississippi Academic Assessment Program (MAAP) for the years 2019 to 2021 were analyzed to see if academic performance changed due to the pandemic …

Investigation Of Polybenzoxazine Vitrimers Based On Dynamic Transesterification Exchange, Jaylen Davis

Dissertations

With the ever-increasing issue of plastic waste production, a greener approach to synthetic processes and increased sustainability in plastic materials is still a high demand. Thermosets, which find uses in applications such as coatings, adhesives, and aerospace composites account for 15% of global plastics production, are particularly problematic in this context, as covalent crosslinks within the material serve both as a source of high-performance stability during use and as a barrier to conventional recycling after use. Therefore, our efforts focus on the incorporation of dynamic transesterification exchange chemistry into polybenzoxazine thermosets, which allows these materials to undergo reprocessing. This investigation …

Conceptual Understanding, Engagement, And Optimal Learning Moments With Problem-Oriented Project Learning In High School Physics, Catherine A. Howell

Dissertations

This research explored the effect of Problem-Oriented Problem Based Learning (POPL) on concept attainment and engagement in a high school physics class. While physics education remains a vital component of STEM education, secondary physics enrollment trails chemistry and biology. Issues contributing to physics’ reputation as a complex subject include prior misconceptions and the formulaic nature of pedagogy. Prior research indicated that active learning can challenge misconceptions and mitigate the sameness of instruction. POPL resides firmly in the active learning methodology of Project-Based Learning (PjBL). This study expanded the research by combining Physics, POPL, concept attainment, multiple components of engagement, and …

Exploring The Interplay Among Effort, Motivation, And Self-Efficacy In High School Mathematics And Act Math Achievement, Katrina Lightsey

Dissertations

This study examines the relationship between high school students' attributions of effort, motivation, and self-efficacy as they relate to ACT math scores. Despite the important role of standardized tests in determining college admissions, there has been little research conducted to determine how students feel about these attributions and how they relate to math grades and ACT scores. A total of 52 juniors and seniors from local high schools participated in this study, which was conducted over the summer through voluntary participation following email invitations. The study was designed to measure students' self-reported effort, motivation, and self-efficacy using a survey instrument. …

Artificial Intelligence, Machines, Devices, And Robots: Mobilizing Humanness And Intelligence In The American Techno-Landscape, Carlos A. Batres

Dissertations

This dissertation is an ethnographic inquiry of artificial intelligence (AI) in the techno-landscape of three major metropolitan areas in the United States. It traces the ways in which both experts and non-experts talk about their interactions with AI via machines, robots, and other devices, and how the ways in which people deal with AI-technologies have come to shape how we think about our own ways of going about doing things. The goal is to discern what the social ramifications of this technology may be as relationships and relations are formed betwixt and between people and artificially intelligent things.

Simple Smale Flows On S3 Using Embedded Templates With Twisted Bands, Anthony Sloan

Dissertations

We study the linking structure of the attractor-repeller pairs in simple Smale flows on the 3-sphere in which the chaotic saddle set is modeled by four-band templates with twisted bands. This is a small step in an attempt to classify simple Smale flows on S³. We obtain three new theorems which illustrate that the dynamics of simple Smale flows are sensitive to half-twists in the bands of the embedded template. Haynes and Sullivan showed that the attractor-repeller pair a∪r in a simple Smale flow with chaotic saddle set modeled by embedded template U⁺ is either a Hopf link or a …

The Price Of Precision: Significant Figures And The Student Experience, Ryan Michael Britt

Dissertations

For students pursuing careers in medicine and science, general chemistry is often viewed as a gatekeeper course. Students struggle with general chemistry for a variety of reasons, one of the most common being mathematical difficulties. Compared to other lower division STEM courses, mathematical computation in general chemistry represents a unique challenge for the student due to the special emphasis placed on reporting answers to the proper degree of precision using significant figure (SF) rules. Although these rules feature in nearly every undergraduate chemistry course, their impact on the student experience of learning chemistry has never before been studied.

The purpose …

Evaluation Of Joint Model Imputation Of Multilevel Models, Gabriel Owusu

Dissertations

Missing data is a pervasive challenge in research, particularly in studies involving multilevel models. When left unaddressed or handled poorly, missing data can reduce statistical power and introduce bias, undermining the validity of findings. Although multiple imputation has emerged as a preferred method for addressing missing data due to its ability to provide unbiased and efficient estimates, its application in multilevel modeling remains underexplored. This gap is particularly significant given the hierarchical nature of multilevel data, which requires specialized approaches to imputation. The purpose of the study is to evaluate the effectiveness of joint model imputation in handling missing data …

Influence Of Glycopolymer Structure On Amphiphilic, Hybrid, Linear Branched Block Copolymer Properties For Use In Biomedical Applications, Kevin Green

Dissertations

The focus of this dissertation is evaluating and adding fundamental knowledge regarding the structure-property relations of glycopolymers used in the design of hybrid block copolymers (HBC) that are cable of self-assembling into delivery vehicles for biomedical applications. A shift to the utilization of natural materials in the design and fabrication of drug-delivery vehicles has garnered significant attention. Understanding the effects of linear glycopolymers content and composition on the resulting HBCs properties can provide valuable insight into how these materials may be tailored for use in targeted biological applications.

The first chapter introduces current literature on the need for improvement in …

Chain Extension Of Blocked Isocyanates For The Creation Of Covalent Adaptable Networks, Catherine Sarantes

Dissertations

From mattresses to car coatings, polyurethanes and polyureas (PUs) are ubiquitous thermoset materials with tunable thermo-mechanical performance. This tunability is afforded through the extent of crosslinking or covalent linkages established by the formation of urea bonds. Traditionally, urea bonds are highly stable yet through the blocked isocyanate, hindered urea bond (HUB) mechanism this bond is thermally labile allowing for re-processing of normally non-recyclable PU materials. The overarching focus of my dissertation is the exploration synthetic pathways to access secondary diamines to enable re-processing of covalent adaptable networks (CANs) with tunable re-processing through the diamine moiety and the molecular weight of …

Sedimentary Characteristics Of Flood Deposits In Coastal And Fluvial Environments: Examples From Washover Fans (North Carolina, Usa) And Floodplain Deposits (Mississippi, Usa), Shara Gremillion

Dissertations

Extreme flooding from severe and prolonged meteorological events and / or overbanking rivers are some of the most deadly and expensive disasters globally, impacting millions of lives, the environment, and property. People living in vulnerable areas, such as near coasts and rivers, are the first to be impacted with effects of these flood hazards. Scientific studies and their results can aid communities and officials in planning and preparing for those flood impacts. In this three-part study, flood impacts from coastal storms in North Carolina, and flooding along the Mississippi River (MSR) in the state of Mississippi, USA are assessed from …

Private School Principals’ Leadership Roles In Times Of Change Within The Dominican Republic, Benedicta Calderon

Dissertations

As in many other countries around the globe, the Dominican Republic (DR) has recently implemented important educational changes. The curriculum changed from a content-based to a competence-based approach, and grade configurations changed from four-year to three-year cycles, moving seventh and eighth grades out of elementary and into high school. These changes impacted public and private school structures, with implications on principals’ leadership role. While there is much previous research on principals as instructional leaders implementing significant change; prior to this study, no research was found that looked at private school principals in such roles within a developing country like the …

A Descriptive Case Study Of An Innovative, University-Based Coaching System For Resident Teachers, Matthew J. Wester

Dissertations

Teacher residency programs (TRPs) have emerged over the past two decades as an effective model of teacher preparation. Within this alternative pathway to teacher certification, pre-service teachers, known as resident teachers, engage in a lengthy clinical teaching experience under the guidance of a trained mentor teacher and field supervisor while concurrently completing closely aligned, graduate-level coursework.

A key element of successful teacher residency programs is the use of a structured coaching system to support resident teachers — defined in this study as the components that form the coaching framework for resident teachers within a defined educational context, operating together to …

Students' Perspectives On Co-Creation Opportunities Within Bachelor's, Master's, And Doctoral Level Education Preparation Programs, Oana M. Manta

Dissertations

This study examines Bachelor’s, Master’s, and Doctoral students’ experiences with co-creation activities in education programs. Responding to voiced student concerns, it seeks to uncover ways in which students wish to share ownership of the learning process. Additionally, this study aims to contribute students’ thoughts to the existing co-creation literature. Incorporating evidence from a survey and multiple participant interviews, this study demonstrates that students across all three levels of study wish to experience an increase in co-creation activities, but the type and extent vary by level of study. It argues for instructors and overseeing institutions to negotiate, not prescribe, certain aspects …

An Exploration Of The Experiences That Influenced Black Males To Become Information Technology Professionals, Ronnie Mcmillian

Dissertations

Historically, the United States (U.S.) has led the world in the development of innovative high-tech solutions that increased employment opportunities, wages, productivity, and the economic growth of our nation. However, STEM workers are in great need to fill the millions of vacancies in the STEM workforce. Despite the increasing demand for STEM professionals, racial minorities, especially Blacks, continue to be disproportionately underrepresented in STEM. In order to adequately address the STEM workforce problem and remain competitive globally, the U.S. must motivate a much larger cross-section of its population to enter STEM fields. Since Blacks are disproportionately underrepresented in STEM, they …

Lennie Tristano’S Pedagogical Model In Jazz Education: A Critical Analysis Of Pertinent Components From The 1950s For Current Classroom Implementation, Robert Ngobi

Dissertations

Lennie Tristano's pedagogical model, established in the mid-20th century, transformed jazz education by focusing on ear training through singing with solos and melodic development based on a systematic, individualized approach to teaching and learning. This dissertation explores Tristano's model through the lens of educational psychology and cognitive science. While it does not profoundly explore either field, it highlights aspects relevant to Tristano's pedagogical strategies. The study addresses the following research questions: (1) What are the specific components of Tristano's model, and how did they reshape the jazz educational landscape of the 1950s? (2) How can these components be adapted to …

Single-Shot Mev-Resolution Hard X-Ray Spectrograph For Cavity-Based X-Ray Free Electron Laser, Keshab Kauchha

Dissertations

The Cavity-Based X-ray Free Electron Laser (CBXFEL) is a possible future direction in the development of fully coherent hard X-ray sources of high spectral brilliance, a narrow spectral bandwidth of ≃ 1 − 100 meV, and a high repetition rate of ≃ 1 MHz. A diagnostic tool is required to measure CBXFEL spectra with a meV resolution on a shot-to-shot basis.

The CBXFEL hard X-ray spectrograph is designed to image 9.831 keV X-rays in a ≃ 200 meV spectral window and with a spectral resolution of a few meV using an LCLS XFEL (Linac Coherent Light Source X-ray Free Electron …

Exploring The Content Of Introductory Quantitative Methods Courses For Education Doctoral Students, Samantha Brooke Patterson

Dissertations

Quantitative methods training is an integral part of an Education Doctoral Degree (EdD). Students tend to struggle with the content of these courses and consequently their quantitative proficiency has suffered. Currently, there is no consensus on the learning outcomes of introductory quantitative methods classes, leaving instructors to individually decide the content and teaching methods of their classes. The aim of this study was to capture the content of introductory quantitative methods course and determine their alignment with current best practices in statistics education.

• Q1 What curricular and pedagogical techniques are used in introductory quantitative methods course for EdD students?
• Q2 …

Does Mindset Matter: The Perceptions Pre-Licensure Nursing Students Have Regarding Mindset And Academic Success, Amanda Sue Schuster

Dissertations

Nursing programs need to graduate more students to increase the potential number of practicing nurses and help the nursing shortage. However, with high attrition rates, nursing programs are looking for ways to promote student success. Many factors lead to students not finishing a nursing program and nurse educators need to develop innovative ways to help students succeed. Identifying characteristics that make students successful is key to reducing attrition rates. One characteristic that a nurse educator can identify in students is a growth mindset. Mindset is formed by students’ beliefs and experiences, by having a growth mindset, one believes their intelligence …

Magnetotransport Properties Of Polycrystalline Mn_(3-X)Fe_Xsn (X = 1, 2) Thin Films, Duston Wetzel

Dissertations

The incredible progress of the microelectronics industry in the last several decades hasbeen primarily due to the progressive miniaturization and optimization of the MOSFET. However, the rate of this progress is becoming unsustainable by these means. Of several proposed replacements, one of the most popular ideas is to utilize electronic spin in logical processing. The discovery of Giant Magntoresistance (GMR) in layered thin film heterostructures and the subsequent development of Tunneling Magnetoresistance (TMR) devices revolutionized magnetic field sensing, which allowed magnetic domains in hard drives to get much smaller. This enabled hard drives to get denser, but because current charge-based …

Faulty Perception Correction Of Autonomous Vehicles In Real-Life Driving Scenarios, Mark Omwansa

Dissertations

Driving is one of the most popular modes of transportation in the world. The United States Department of Transportation’s (USDOT) Federal Highway Administration (FHWA) reported 2.8 trillion vehicle-miles traveled (VMT) in 2020, and the National Highway Traffic Association (NHTSA) recorded 3.2 trillion VMT in 2019. Also recorded in the NHTSA report were 39,096 fatalities and 2.7 million injuries due to traffic accidents, costing the economy an estimated $242 billion. Most of these recorded accidents can be attributed to human error or misjudgment. It is for this reason that governments and the automotive industry are looking at autonomous vehicle (AV) technologies …

Establishment Of Structure-Property-Processing Relationships For Design Of Sprayable Hydrogels And Amyloid/Peo Electrospun Composites, Xianjun Wang

Dissertations

The focus of this dissertation is the design, synthesis, characterization, and prototyping of bio-inspired materials to understand the role of structure, intermolecular interactions, and processing technique on the self-assembly, bioactive properties, and mechanical properties of the biomaterials. This work is divided into three research areas: 1) sprayable and adhesive glycopolymer based hydrogels; 2) decapeptide-based composite nanofiber mats; and 3) prototyping sutures and meshes via electrospinning. The established structure-property-processing relationships provide a foundation for designing biomaterials in the future.

The first chapter provides an introductory overview of the requirements necessary for the development of hydrogels, glycopolymers, and peptides, including relevant processing …

The Relationship Between The Perception Of Nurse Caring, And The Phase Ii Cardiac Rehabilitation Patients' Depression, Anxiety, And Adherence, Jo Ann Kim

Dissertations

The purpose of this study was to determine if there was a relationship between perception of nurse caring and Phase II cardiac rehabilitation (CR) participant's depression, anxiety, and adherence. Duffy and Hoskins (2003) Quality-caring model © was used as a theoretical framework to guide the descriptive correlational study. A convenience sample of 109 outpatients lived in the mid-Atlantic portion of the United States. The four data collection instruments included the Center for Epidemiological Studies-Depression Scale (CES-D), State-Trait Anxiety Inventory- Y-1 (STAI-Y-1), Caring Assessment Tool-IV (CAT-IV), and a Phase II CR Patient's Program Data Sheet. Pearson's product-moment correlational analysis was used …

Improve Exclusive Breastfeeding Rates Through Early Breastfeeding Initiation, Camille Chua

Dissertations

Exclusive breastfeeding can be challenging to maintain. At the project site there was an inconsistent process for breastfeeding support, so an evidence-based solution was sought. The purpose of this quantitative, quasi-experimental quality improvement project was to determine if or to what degree the implementation of the World Health Organization (WHO) Guideline’s Baby-Friendly Hospital Initiative (BFHI) Step Four would impact exclusive breastfeeding rates (EBFRs) when compared to current practice among adult postpartum patients in an acute care hospital in Southern California over four weeks. Nola Pender’s middle-range nursing theory utilizing the health promotion model (HPM), and Kurt Lewin’s change theory provided …

The Future Of Physical Education And How Instructional Technology Is Pivotal In Curriculum Design And Learner-Centered Instruction, Josh Mcmillian

Dissertations

The COVID-19 pandemic significantly altered K-12 education, compelling physical education (PE) instructors to adapt swiftly to remote teaching. This dissertation explores the integration of instructional technology among Missouri PE teachers, analyzing practices before, during, and after the pandemic. Utilizing a phenomenological approach, the study surveyed 106 educators and conducted 12 in-depth interviews, revealing widespread use of technologies such as heart rate monitors, fitness apps, and platforms like Google Classroom.

Findings highlight that school climate, access to resources, and teacher training are pivotal in technology adoption. Veteran teachers demonstrated greater proficiency with advanced tools, while novices showed adaptability but required foundational …

Undergraduate Nursing Students' Test Anxiety And Performance Based On Testing Time Limits, Miranda E. Knapp

Dissertations

Test anxiety is a debilitating problem for many prelicensure nursing students. Effects of test anxiety can result in poor academic performance, inability to complete programs or pass license exams, and ultimately contributes to nursing shortages. Faculty-based methods to decrease nursing students’ test anxiety levels have not been thoroughly explored. Testing time limit suggestions vary significantly from one minute per question to more than two minutes per question. The effects of different testing time limits on test anxiety levels, testing duration, and testing performance has not been studied.

The Implementation Of Stream In Mathematics Classrooms In Abu Dhabi Primary Schools: Prospects, Priorities, Processes, And Problems, Nadeia Rashed Alalawi

Dissertations

This study shed light on implementing science, technology, reading and writing, engineering, art, and mathematics (STREAM) in mathematics classrooms in Abu Dhabi primary schools. The study aimed to explore mathematics teachers’ views on the prospects, priorities, processes, and problems of the implementation of STREAM in their classrooms. The study employed qualitative methods to collect and analyze data to support the findings using interviews, classroom observations, and document analysis. Fifteen in-service mathematics teachers were interviewed to explore their views about the application of STREAM in their classrooms regarding prospects, priorities, processes, and problems (4 Ps). Then, three of them were observed …

Optimizing Photoacoustic Imaging With Advanced Reconstruction Techniques: Compressive Sensing And Deep Learning, Mary Anjaley Josy

Dissertations

Photoacoustic Tomography (PAT) is a noninvasive medical imaging technique that combines the advantages of optical imaging and ultrasonic detection, offering deep tissue visualization with high resolution. Despite its potential, the effectiveness of PAT is dependent on the accuracy and efficiency of the underlying imaging algorithms. This thesis aims to enhance the resolution and speed of PAT imaging through the integration of compressive sensing (CS) and deep learning techniques, targeting both full-view and limited-view sensor configurations. Two model-based CS iterative algorithms are developed: relaxed-basis pursuit via alternating direction method of multipliers (rBP-ADMM), and split Bregman total variation (SBTV) formulation. Additionally, Plug-and-Play …