Digital Commons Network^™

A Critical Examination Of An In Class Tabata Based Physical Fitness Protocol On Student Engagement Levels In A Sixth Grade Math Class, Justin R. Kulik

Theses and Dissertations

The purpose of this study was to evaluate the effectiveness of a Tabata Based Physical Fitness Intervention (TBPFI) on measures of student engagement in a middle school mathematics class. Student engagement was measured with the Student Engagement in Mathematics Scale (SEMS) which a Likert style scale. The results of this survey supplied a numerical rating for the social, emotional, and cognitive engagement of each studentparticipant in the study on days when a TBPFI was implemented and on days when it was not implemented. Additionally, pre- and post-interviews were conducted with the student-participants and the teacher-participant. Finally, researcher observations and rating …

Advancements In Parametric Modal Regression, Qingyang Liu

Theses and Dissertations

This dissertation considers statistical inference methods for parametric modal regression models. In Chapter 1, we motivate the mode as the measure of central tendency instead of the median or the mean with an example. Following the motivational example, we include an overview of existing modal regression models. Later, in the same chapter, we explain advantages of the parametric modal regression models over existing nonparametric modal regression models. In Chapter 2, we address issues in statistical inference brought in by data contaminated with measurement error. With measurement error in covariates, statistical inference methods designed for modal regression models with error-free covariates …

An Autonomous Aerial Drone System For Water Fluorescence Mapping And Targeted Sampling, Kazi Ragib Ishraq Sanim

Theses and Dissertations

At present, aerial drones, also known as Uncrewed Aircraft Systems (UAS) or Unmanned Aerial Vehicles (UAV), are increasingly used in time and effort-heavy scientific exploration applications. One such application is inspecting the physical, chemical, and biological state of water bodies. This thesis presents a novel autonomous system capable of sensing water properties and collecting up to three 250 mL water samples from multiple sampling locations. The system features a customized aerial drone with an in-house built fluorescence sensor and pumping mechanism. It can also map the gradient of fluorescent content across the body of water to determine the best sampling …

Academic Success And Student Development In The Health Professions: An Action Research Study, Molly Ellen Higbie

Theses and Dissertations

The first year of college is a time of challenging transition for many. Students are adapting to a new way of learning as well as developing as adults. Using a mixed methods design, this action research study aimed to provide insight into the student experience for academically at-risk first-year students in a health professions program at a mid-size university in New England. Quantitative data showed that most students’ academic performance met or exceeded the minimum requirement for their major with support from their advisor through this intervention. Further, quantitative data showed that student development did occur for participants. Qualitative data …

Impacts Of Technology-Enhanced Dual Enrollment Mathematics Course On Rural High School Students’ Intentions Of Going To College, Nicolae Bordieanu

Theses and Dissertations

The purpose of this concurrent mixed methods action research study was to investigate the impact of new technology-enhanced Dual Enrollment (DE) math courses on students’ perception of college courses, the influence the technology-enhanced DE had on students’ intention of going to college, and the students' perception of the technology-enhanced DE math course. Examining student experiences in a technology-enhanced DE course informed all stakeholders as to what degree DE influenced students’ perception of college. The DE experience influenced students' postsecondary plans. The innovation of this action research study was the technology-enhanced DE math course. Software used to practice computational skills, conduct …

Dust Production And Transport In A Long-Lived Fluvial-Eolian System In The Pampas Of South America, Blake Marcus Stubbins

Theses and Dissertations

Wind-blown dust from southern South America links the terrestrial, marine, atmospheric, and biologic components of Earth’s climate system. The Pampas of central Argentina (~33-40° S) contain an extensive upper Miocene to Holocene eolian record that spans the relatively warm conditions of the Late Miocene to cooler climates of the Plio-Pleistocene and Holocene. We collected 13 loess, paleosol, and fluvial samples from the upper Miocene Cerro Azul and Rio Negro Formations which resulted in n = 5129 new detrital zircon U-Pb ages. Late Miocene rivers conveyed sediment from northern Patagonia, the Andes adjacent to the Pampas, and the Sierras Pampeanas to …

Sustainable Approaches To Photo-, Thermo-, And Electro-Chemical Reactions Of Amines, James David Sitter

Theses and Dissertations

In recent years, sustainable routes for chemical synthesis have garnered renewed interest. As the world continues to fight pollution and rising costs, it is imperative that new routes of synthesis that continuously fight the issues of pollution and waste are discovered, defined and explored. While traditional synthesis routes that require energy input typically require the burning of fossil fuels to produce heat, the amount of resources that go into the production of these fossil fuels and the sequestration of its waste to minimize its impact on the carbon footprint is enormous. Furthermore, sustainable chemistry research aims to decrease and minimize …

Physics-Based And Behavioral Models For Fuel Cells, Charles Chima Anyim

Theses and Dissertations

In recent times there has been renewed interest in fuel cells for electricity production, especially for transportation applications. Fuel cells are attractive because the electricity production process from chemical energy does not cause pollution, and no carbon emissions occur. In this work, we will focus on Proton Exchange Membrane (PEM) fuel cells that use hydrogen and oxygen to generate electricity, producing only electricity, heat and water. If hydrogen can be produced in a green, non-polluting way, fuel cells can truly be an environmentally benign energy source.

In this work, we will look at the modeling of a fuel cell system. …

Preparing In-Service Elementary Teachers To Support English Language Learners: A Qualitative Case Study Of A Job-Embedded Professional Development Using Tpack, Rachel Theresa Lopez

Theses and Dissertations

Nation-wide, the number of English Language Learners (ELL) in our classrooms continues to increase. Twenty percent of students enrolled in California public schools are ELLs, the highest percentage in the nation. With the continuously growing number of ELLs in our classrooms, our mainstream teachers must be prepared to teach content and meet the unique linguistic needs of these students. At Sotomayor Elementary School in the Central Valley of California, 38% of the students enrolled are ELLs. Despite high numbers of ELLs, the district sees minimal evidence of intentional planning for Designated English Language Development (D-ELD), or instruction specifically targeted to …

The Impact Of Extended Professional Development In Project-Based Learning On Middle School Science Teachers, Margrett Caroline Upchurch-Ford

Theses and Dissertations

This Mixed-Method Action Research study aimed to implement an extended Project-Based Learning professional development series with middle school science teachers. The professional development series took place during the teachers’ Communities of Practice, offering them high-quality support, active participation, and content-specific conversations.

The study collected data on (a) changes in teachers’ attitudes toward in-district professional development, (b) teachers’ perceptions of students’ 21st-century skills, and (c) changes in science teacher self-efficacy. Findings from this study add to the growing body of research indicating the need to offer teachers content-specific, supportive, and extended professional development opportunities. Additionally, the findings of this study indicate …

Teacher Observations As Professional Development Opportunities, Ashton Carrie Padgett

Theses and Dissertations

This research project sought to understand how the complexities and challenges of offering high-quality professional development district-wide impacted teachers’ ability to implement their new learning. The literature posits that to be considered effective, professional development must include six distinct design elements: (1) Data driven, (2) Incorporates active learning utilizing adult learning theory, (3) Supports collaboration, (4) Context-Specific, (5) Feedback-centered, and (6) Supported by principal leadership (Darling Hammond et al., 2017, p. 4). While each of these design elements seems appropriate and rooted in best practices, when planning professional development, the scheduling and unique circumstances of secondary schools makes incorporating these …

The Theory Of Intonation: Boris Asafiev And The Russian Piano School Tradition, Polina Golubkova

Theses and Dissertations

Boris Asafiev was one of the leading musicologists whose Theory of Intonation is a philosophical and aesthetic study that comprehensively explains the historical and theoretical aspects of musical art. The Theory of Intonation is the methodological basis for music disciplines in Russia, including piano pedagogy. The purpose of this study is to create a source that explains Asafiev’s philosophical and aesthetic vision of the concept of intonation and to show how it can be applied to piano pedagogy. This study is also intended to translate and codify the Theory of Intonation and to provide examples of its implementation in any …

Centering The Teacher: How An Autonomy-Supportive Environment Impacts Arts Educators’ Sense Of Agency And The Collaborative Culture Of Their Education Networks, Kyle Andrew Anderson

Theses and Dissertations

In this action research study, I adapted statewide systems of support for visual and performing arts educators in an effort to promote a positive sense of professional identity and strengthen the collaborative culture of the support systems. Prior to this study, the educator network met monthly for professional learning sessions planned and facilitated by a leader in a non-teacher role. As an action researcher, I restructured the sessions to create an autonomy-supportive environment to foster educators’ leadership skills and promote authentic collaboration. Study participants had autonomy over the planning, aims, content, and facilitation of the networking sessions. A basic qualitative …

Utilizing Deep Learning Methods In The Identification And Synthesis Of Gene Regulations, Jiandong Wang

Theses and Dissertations

Gene expression is the fundamental differentiation and development process of life. Although all cells in an organism have essentially the same DNA, cell types and activities vary due to changes in gene expression. Gene expression can be influenced by many gene regulations. RNA editing contributes to the variety of RNA and proteins by allowing single nucleotide substitution. Reverse transcription can alter the expression status of genes by inducing genetic diversity and polymorphism via novel insertions, deletions, and recombination events. Gene regulation is critical to normal development because it enables cells to respond rapidly to environmental changes. However, identifying gene regulations …

Exploring The Current Training Of Undergraduate Geology Students And Teaching Spatial Skills To Improve Student Outcomes, Ann Marie Klyce

Theses and Dissertations

Spatial skills, which represent the ability to mentally manipulate objects (Schneider & McGrew, 2012; Atit et al., 2020) have been shown to be correlated with entrance, persistence and success in STEM (Shea et al., 2001; Wai et al., 2009). Specifically, these skills have been shown to be necessary to geologists and geoscientists (Hegarty, 2014; Gagnier et al., 2016). While we recognize the importance of these skills, explicit training in them is rarely offered (NRC 2006). Consequently, cognitive scientists and discipline based education researchers have begun concerted efforts to offer training in spatial skills to improve student outcomes (e.g. Uttal et …

Semantics-Based Data Security Models, Theppatorn Rhujittawiwat

Theses and Dissertations

In this dissertation, we studied how an adversary could attack databases and how the system could prevent or recover from such an attack. Our motivation to improve the current security capabilities of database management systems. We provided better recovery capabilities of database management systems by incorporating data provenance. We also expand our study to express security and privacy needs of data in the Internet of Things (IoT) environments such as a smart home environment. For this, we proposed a stream data security model to theoretically represent the data in the IoT network. We built a dynamic authorization model on our …

Gamma Calibration Of Scintillators For The Muon Scattering Experiment, Anne Gloria Flannery

Theses and Dissertations

The MUon Scattering Experiment (MUSE) at the Paul Scherrer Institute seeks to measure the muon-proton and electron-proton elastic cross-sections in the same experiment by measuring the scattering angle of particles from a 115-160 MeV beam onto a liquid hydrogen target. The timing detectors, as well as several of other detectors in the experiment, are plastic scintillators. This document discusses a method for the energy calibration, using ²⁰⁸Tl, ²²Na, and 88Y sources, signal attenuation, and hit-position reconstructions of various timing detectors, as well as their function in the experiment as a whole. This method involves first attaining the pulse-height …

Structure Property Investigation And Applications Of Self-Assembled Triphenylamine Bis Urea Macrocycles, Md Faizul Islam

Theses and Dissertations

Porous organic crystals can be advantageous as nanoreactors and in sensing, separations, and storage. The Shimizu group utilizes bifurcated urea hydrogen bonding to direct the assembly small building block into pillars and columns affording functional porous crystals. Recently, our group has examined the incorporation of triphenylamines within the framework of bis-urea macrocycles. These macrocycles assemble into columns that contain the solvent of crystallization bound within the channels. Heating the crystals leads to removal of the solvent and activates the host for guest exchange by single-crystal-to-single[1]crystal transformations. Different electron accepting molecules can be encapsulated inside the pore of the host …

Multidimensional Transport-Coupled Numerical Investigation Of Non-Premixed Low-Temperature Flame In Atmospheric And High-Pressure Systems, Sudipta Saha

Theses and Dissertations

Gas-phase chemical reactions coupled with multidimensional fluid flow and heat and mass transport are found in various applications, i.e., from conventional engine applications to novel combustion techniques. With the goal of understanding such complex coupling in reacting flow systems, this dissertation work focuses on developing multi-physics simulation frameworks to investigate the effect of multidimensional transport on flame dynamics. This study primarily focuses on the modeling and simulation of low temperature flame formation in i) a canonical experimental setting with counterflow burners and ii) a supercritical water medium (i.e., hydrothermal flame).

In the first part of the dissertation, simulations of the …

Mathematical Analysis Of Electrochemical Systems, Shiv Krishna Reddy Madi Reddy

Theses and Dissertations

A solid electrolyte interphase (SEI) growth model is developed in a mixed modethat contains solvent diffusion through the SEI layer and corresponding solvent reduction kinetics at the SEI/electrode interface. The governing equations are solved by the Landau transformation, which makes the moving layer fixed to predict the open circuit potential, SEI layer thickness, and capacity loss. The estimated parameters fitted with experimental data from the literature are computed using COMSOL and MATLAB. Results show that the mixed mode model predicts lower capacity loss and thinner SEI layer due to its growth under open circuit conditions than previously reported by others. …

Deep Learning Based Fault Diagnosis And Prognosis For Bearing, Guangxing Niu

Theses and Dissertations

Rolling element bearings are critical components in industrial rotating machines. Faults and failures of bearings can cause degradation of machine performance or even a catastrophe. Therefore, it is significant work to perform bearing fault diagnosis and prognosis (FDP) reliably and effectively. Diagnosis aims to detect and estimate the fault state of bearing in real-time. Prognosis aims to conduct a long-term prediction to predict the fault evolution and estimate the remaining useful life (RUL) of the bearing.

Deep learning (DL) based FDP methods have become an important branch of bearing FDP methods due to their powerful capabilities in feature automatic learning, …

Molecular Devices For Measuring Weak Solvophobic Interactions And The Development Of Pedagogical Tools For Organic Chemistry Students, Alexander N. Manzewitsch

Theses and Dissertations

The main topics of this dissertation are: 1) the development and discussion of a new molecular balance for measuring alkyl-alkyl interactions in a wide array of organic solvents, 2) the development of linear solvation energy relationships between solvent interaction parameters and solvent accessible surface area (SASA) in CH-arene interactions, and 3) the development of online resources for helping undergraduate students perform organic chemistry mechanisms problems well.

The solvophobic effect, that is the forced association between two solutes due to intermolecular attraction of the solvent molecules, is ubiquitous in organic chemistry and responsible for many significant phenomena thereof. However, there is …

Teaching English In Earth And Space Science: Content-Based Curriculum Development For Secondary Multilingual Learners, Laura Gislason

School of Education and Leadership Student Capstone Projects

The number of English language learners in public schools continues to increase in Minnesota. Multilingual high school students having a WIDA English language proficiency level below three tend to experience a greater number of academic challenges and experience lower graduation rates. In order to combat these challenges, many high schools provide sheltered content classes co-taught by licensed content and EL teachers. While these courses help students succeed in mastering content standards, English language development is often relegated to incidental acquisition as a bi-product of the learning process. This capstone uses the connections model of content based instruction to answer the …

Planning For Expressive Language In Math For Multilingual Learners, Stephanie Deehr

School of Education and Leadership Student Capstone Projects

Many multilingual students are struggling to keep up in their math classes. They are not given enough opportunities to use the language of math to explain and justify their thinking. The research question addressed in this project was, How can planning for expressive language in math affect the academic achievement and language development of third grade multilingual students? The author describes her personal and professional experiences that guided her to the question. Then, the author reviews professional literature on the topics of learning language through content, math as a second language, and scaffolds and strategies for using expressive language in …

Nature’S Classroom: Designing A Practical Environmental Education Curriculum, Kendra Karwacki

School of Education and Leadership Student Capstone Projects

The world is currently facing a plethora of environmental catastrophes, and environmental education is a crucial tool for addressing this crisis. Environmental education (EE) programs, when included in formal primary schools, have been shown to create positive environmental changes and improve students’ academic performance, social-emotional learning, and physical health. However, teachers often face various barriers that impede their ability to implement EE programs in schools. This capstone combines three models for EE - place-based education, nature journaling, and community partnerships to address these barriers. The research question driving this project is: What factors do informal educators need to consider when …

Utilizing A School Garden To Promote Ecoliteracy In Elementary Aged Children, Kelsie Murphy

School of Education and Leadership Student Capstone Projects

Environmental education is a key component to building ecoliteracy in childhood. Due to the current climate crisis, developing a sense of ecoliteracy in the next generation is essential to slowing the effects of climate change. When students are given the opportunity to interact with nature on a regular basis, the connection between humans and their environment becomes that much stronger. Unfortunately, in the current public education system, little to no importance is placed on teaching science, let alone environmental science. A school garden offers an opportunity to provide students with more outdoor learning opportunities. This capstone uses a combination of …

Permaculture Curriculum For Public School Children In The United States, Nichole Ross

School of Education and Leadership Student Capstone Projects

Humans have created an environmental crisis on this planet that our children will have to deal with as its future caretakers. Unfortunately, we are not preparing them for this role. Research shows that children are spending too much time indoors, resulting in a disconnection from nature known as nature deficit disorder. In addition, we are not providing children with the sustainable design skills they will need to survive in uncertain times. Permaculture is a sustainable design science that can be used to teach children about sustainability and help connect them to nature. The public school system can reach the most …

Animal Assisted Environmental Education Program Design: The Environmental Learning Farm, Kellie Soronen

School of Education and Leadership Student Capstone Projects

Research has shown that by including animals in therapeutic and educational experiences progress can be made in improving the quality of our education and the quality of our lives. This project focused on filling a gap seen in Minnesota’s environmental education programs. There are many environmental learning centers in Minnesota and many different animal assisted therapy programs focusing on physical, mental and emotional health, but there is not a program that is dedicated to bringing our domesticated animals into the curriculum in environmental education. The Environmental Learning Farm is an theoretical and experimental project that could bridge the gap that …

Helping Female And Nonbinary Identifying Students Grow Confidence In The Science Classroom, Mari Mcdonald

School of Education and Leadership Student Capstone Projects

This capstone is titled “Helping Female and Nonbinary Identifying Students Grow Confidence in the Science Classroom”. The focus is on finding and sharing resources that will help girls and nonbinary students feel encouraged, interested, and motivated to pursue studying STEM (science, technology, engineering, and math) fields and careers. This topic is influenced by the author’s experience as a female student studying science in school, as someone with two science teacher parents, and as a female high school science teacher. First hand experience influenced this topic greatly. A literature review was conducted to research what has been done to improve this …

Multisensory Literacy Instruction: Efficacy For Struggling Multilingual Learners, Stephanie Sowma

School of Education and Leadership Student Capstone Projects

By the year 2025, approximately 25% of U.S. public school students will be multilingual learners. However, many mainstream teachers have not received any development in supporting this particular group of students. This capstone explores best literacy practices for multilingual learners, multisensory learning, and teacher professional development to answer the focus question: how can multisensory instruction be utilized to add engagement and rigor in order to improve the literacy skills of multilingual learners between 5 - 8 years old who score between a 1.0 - 2.9 on the WIDA Access Assessment and are struggling with basic reading skills? Multisensory literacy instruction …