Digital Commons Network^™

Las Chingonas: An Ecological Approach To Latina Student Mothers’ Journey Through College, Emely Elizabeth Medina-Rodriguez

Dissertations

Women with children are one of the growing student sub-populations in higher education. However, the support student mothers receive in colleges and universities has been historically unreliable and their experiences in college have not been studied in depth. This is especially true for student mothers from minoritized backgrounds with differing racial, ethnic, sexual, gender, and ability identities. This research aims to understand the experiences Latina graduate student mothers from an ecological and critical perspective. Guided by Critical Human Ecology and Black Feminist Thought, eight open-ended interviews were conducted and analyzed. Themes and categories came out of the patterns in the …

Leveraging Moral Foundations To Increase Covid-19 Vaccination, Cara Elizabeth Ray

Dissertations

Despite the vast majority of the eligible U.S. adult population being vaccinated against COVID-19, geographical clusters of unvaccinated individuals pose a substantial risk of outbreak. It is important to encourage as many individuals as possible to vaccinate against COVID-19 to reduce its spread and severity. Past research has identified endorsement of the purity and liberty moral foundations – intuitive domains of moral concern – as predictors of vaccine hesitancy and political conservatism, while conservatism is itself associated with vaccine hesitancy. Across two online surveys, I examined the effects of a message invoking the purity and liberty foundations as well as …

Does Co-Speech Gesture Support Children’S Analogical Reasoning? An Investigation Into The Differential Effects Of Gesture On Learning, Amy Michelle Wilkinson

Dissertations

A well-established conceptualization of academic capitalism is rooted in the marriage of economic theory and critical social. Significantly, academic capitalism links economic dimensions with the political-ideological transformations of U.S. society associated with the fall of communism and the rise of neoliberalism. Academic capitalism is based on a recognition of the paradoxical nature of higher education and offers a lens through which to examine the ways in which institutions in the United States have come to prioritize learning for the labor market as a private good within the new global economy, while also becoming less beholden to the notion of learning …

Dark Patterns: Effect On Overall User Experience And Site Revisitation, Deon Soul Calawen

Dissertations

Dark patterns are user interfaces purposefully designed to manipulate users into doing something they might not otherwise do for the benefit of an online service. This study investigates the impact of dark patterns on overall user experience and site revisitation in the context of airline websites. In order to assess potential dark pattern effects, two versions of the same airline website were compared: a dark version containing dark pattern elements and a bright version free of manipulative interfaces. User experience for both websites were assessed quantitatively through a survey containing a User Experience Questionnaire (UEQ) and a System Usability Scale …

Kg-Cnn: Augmenting Convolutional Neural Networks With Knowledge Graphs For Multi-Class Image Classification, Aidan O'Neill

Dissertations

Computer vision is slowly becoming more and more prevalent in daily life. Tesla has recently announced that it plans to scale up the manufacturing of their Robotaxis by 2024, with this increase in self-driving vehicles being just one example, the importance of computer vision is growing year by year. Vision can be easy to take for granted, as most humans grow up using vision as their primary way of absorbing environmental information. The way humans process and classify visual information differs significantly from how current computer vision systems process and organise visual information. The human brain can use its past …

The Impact Of Emotion Focused Features On Svm And Mlr Models For Depression Detection, Alexandria Mulligan

Dissertations

Major depressive disorder (MDD) is a common mental health diagnosis with estimates upwards of 25% of the United States population remain undiagnosed. Psychomotor symptoms of MDD impacts speed of control of the vocal tract, glottal source features and the rhythm of speech. Speech enables people to perceive the emotion of the speaker and MDD decreases the mood magnitudes expressed by an individual. This study asks the questions: “if high level features deigned to combine acoustic features related to emotion detection are added to glottal source features and mean response time in support vector machines and multivariate logistic regression models, would …

Real-Time Stock Market Recommendation & Prediction Using Multi Source Data, Kalpana Konety

Dissertations

Stock investors must be cognizant of both the current price of their stock and the price at which they want to sell it in the future. This does not stop investors to monitor past price patterns and apply their knowledge to the present. ’Past performance is not an indicator of future success’, as the saying goes. To put it another way, historical stock data alone isn’t enough to forecast future stock prices. Another key factor to consider in a trading strategy is the impact of market psychology. Financial data, which is a type of multimedia data, provides a wealth of …

On Performance Optimization And Prediction Of Parallel Computing Frameworks In Big Data Systems, Haifa Alquwaiee

Dissertations

A wide spectrum of big data applications in science, engineering, and industry generate large datasets, which must be managed and processed in a timely and reliable manner for knowledge discovery. These tasks are now commonly executed in big data computing systems exemplified by Hadoop based on parallel processing and distributed storage and management. For example, many companies and research institutions have developed and deployed big data systems on top of NoSQL databases such as HBase and MongoDB, and parallel computing frameworks such as MapReduce and Spark, to ensure timely data analyses and efficient result delivery for decision making and business …

Statistics-Based Anomaly Detection And Correction Method For Amazon Customer Reviews, Ishani Chatterjee

Dissertations

People nowadays use the Internet to project their assessments, impressions, ideas, and observations about various subjects or products on numerous social networking sites. These sites serve as a great source of gathering information for data analytics, sentiment analysis, natural language processing, etc. The most critical challenge is interpreting this data and capturing the sentiment behind these expressions. Sentiment analysis is analyzing, processing, concluding, and inferencing subjective texts with the views. Companies use sentiment analysis to understand public opinions, perform market research, analyze brand reputation, recognize customer experiences, and study social media influence. According to the different needs for aspect granularity, …

Machine Learning Techniques For Network Analysis, Irfan Lateef

Dissertations

The network's size and the traffic on it are both increasing exponentially, making it difficult to look at its behavior holistically and address challenges by looking at link level behavior. It is possible that there are casual relationships between links of a network that are not directly connected and which may not be obvious to observe. The goal of this dissertation is to study and characterize the behavior of the entire network by using eigensubspace based techniques and apply them to network traffic engineering applications.

A new method that uses the joint time-frequency interpretation of eigensubspace representation for network statistics …

Coherent Control Of Dispersive Waves, Jimmie Adriazola

Dissertations

This dissertation addresses some of the various issues which can arise when posing and solving optimization problems constrained by dispersive physics. Considered here are four technologically relevant experiments, each having their own unique challenges and physical settings including ultra-cold quantum fluids trapped by an external field, paraxial light propagation through a gradient index of refraction, light propagation in periodic photonic crystals, and surface gravity water waves over shallow and variable seabeds. In each of these settings, the physics can be modeled by dispersive wave equations, and the technological objective is to design the external trapping fields or propagation media such …

Private And Federated Deep Learning: System, Theory, And Applications For Social Good, Han Hu

Dissertations

During the past decade, drug abuse continues to accelerate towards becoming the most severe public health problem in the United States. The ability to detect drug­abuse risk behavior at a population scale, such as among the population of Twitter users, can help to monitor the trend of drug­abuse incidents. However, traditional methods do not effectively detect drug­abuse risk behavior in tweets, mainly due to the sparsity of such tweets and the noisy nature of tweets. In the first part of this dissertation work, the task of classifying tweets as containing drug­abuse risk behavior or not, is studied. Millions of public …

Improving Programming Learners’ Experience Through Interactive Computer Tutor Based Moocs, Ruiqi Shen

Dissertations

With the large demand for technology workers all around the world, more people are learning programming. Studies show that human tutoring is the most effective way to learn for novice programmers. However, problems such as the inaccessibility to physical classes, prohibitive costs, and the lack of educators may limit students' opportunities to learn from these resources. Additionally, because programming is a skill requiring continuous practice and immediate feedback, simply listening to lectures may not be sufficient to learn effectively. This increases the inconvenience of learners who use online learning tools such as Massive Open Online Courses (MOOCs).

In recent years, …

Ecological Restoration Parks In Xi’An, China: An Evolving Type, Han Yan

Dissertations

This dissertation examines four urban ecological restoration projects used as public spaces in the city of Xi'an, China. The overall goal is to understand the social and ecological implications of the site features at both design and planning scale and define what is ecological restoration in China's urban context. The result of the research shows that the top-down planning initiatives approach for establishing ecological restoration sites in urban areas that meet the need for more public open space in addition to restoring healthy urban ecological systems is very different from the definition of what is traditionally understood as "ecological restoration". …

The Role Of Microorganisms In Rare Earth Elements Bioaccumulation, Maedeh Soleimanifar

Dissertations

Rare earth elements (REE) are valuable raw materials in our modern life. Extensive REE application from electronic devices to medical instruments and wind turbines, and non-uniform distribution of these resources around the world, make them strategically and economically important for countries. Current REE physical and chemical mining and recycling methods could have negative environmental consequences, and biologically-mediated techniques could be applied to overcome this issue.

In this research, the first objective is to investigate the bioextraction of cerium oxide and neodymium oxide nanoparticles (REE-NP) by a pure culture Methylobacterium extorquens AM1 (ATCC®14718™). Results show that adding up to 1,000 ppm …

Fluorescence Probes For Bioimaging: Synthesis, Photophysical Properties And Applications, Mehrun Nahar Uddin

Dissertations

Fluorescent probes are a vital tool in the study of cell imaging. There are many types of fluorescent probes ranging from inorganic and organic nanoparticles to organic molecules. When used judiciously, they can help provide essential information on cellular structure and function. The introduction of two-photon microscopy has expanded the need for new probes, in particular near-infrared (NIR) absorbing and emitting fluorescent probes. The photochemical and photophysical properties of NIR probes play a crucial role in their effectiveness in cell imaging by both conventional and two-photon excitation (2PE) microscopy. In this research, the synthesis, photophysical properties, and two-photon absorption (2PA) …

Synthesis And Characterization Of Glycosaminoglycan Mimetic Variants For Cartilage Tissue Engineering Applications, Richard David Vincent Jr.

Dissertations

No abstract provided.

The Integration Of Art: A Multiple Case Study Of Science, Technology, Engineering, Art, And Math (Steam) Schools In Three Schools In Southern California, Reyna Esther Smith

Dissertations

Purpose: The purpose of this qualitative multi-case study was to describe and analyze how schools that implement a STEAM program include the arts in their integrated program. The study focused on 3 K-12 schools in Southern California that are located in the Antelope Valley high desert region of the state. This multi-case study analyzed an elementary school, a middle school, and a high school that are in different districts in the area.

Methodology: This multi-case study used qualitative data to analyze the research questions regarding art infusion in STEAM programs and teacher and leader perspectives. Drawing from interviews of teachers …

A Nationally Representative Survey Of Depression Symptoms Among Jordanian Adolescents: Associations With Depression Stigma, Depression Etiological Beliefs, And Likelihood To Seek Help For Depression, Latefa Ali Dardas

Dissertations

Arab adolescents are considered a particularly vulnerable population to depression. The substantial lack of mental health services and the stigma associated with mental illness on the one hand; and poverty, unemployment, and lack of reasonable hopes for a decent future in the context of corruption of regimes and perceived social injustice on the other, call for establishing committed and effective policies to tackle depression and its associated stigma among Arab adolescents at risk for or diagnosed with depression. However, there is a substantial lack of research that can inform the current profile of adolescent depression in the Arab region. We …

Effects Of Extra-Curricular Project-Based Learning Experiences On Self-Efficacy And Interest In Stem Fields In High School, Taihao Kevin Wan

Dissertations

As our society and systems become more technologically advanced, increasing opportunities exist for students interested to pursue careers in Science, Technology, Engineering, and Mathematics (STEM) fields. However, pervasive inequities have led to differences in the extent to which women and underrepresented racial/ethnic groups choose to pursue study and career pathways in STEM. Project-Based Learning (PBL) is among the most widely researched strategies suggested to support student learning and motivation and has more recently been applied to school-based efforts to increase student interest in STEM related fields. Rooted in Social Cognitive Career Theory, this study examined changes in students’ self-reported general …

Exemplary Urban Unified District Superintendents Leading With Transformational Strategies During The Covid-19 Global Health Crisis, Sandra Hernandez

Dissertations

Purpose: The purpose of this qualitative multiple case study was to identify and describe strategies exemplary urban unified district superintendents used to lead in crisis using the five critical tasks of strategic crisis leadership (sense making, decision making and coordination, meaning making, accounting, and learning) during the COVID-19 pandemic. In addition, it was the purpose to understand and describe the experiences of exemplary leaders during a time of crisis.

Methodology: In this qualitative multiple case study, interviews were used to secure data from exemplary urban unified district superintendents to identify and describe the strategies they used to lead during the …

Lived Experiences Of New Nurses With Lateral Violence And Their Decision To Remain In The Nursing Profession, Lorraine Ann Hover

Dissertations

The issue of lateral violence, or nurse-on-nurse violence, is a major factor in why new nurses leave the nursing profession within the first two years of professional practice. There is considerable research into mitigating factors, why nurses leave, and programs to address lateral violence, however, little to no research has been conducted on why nurses choose to remain in the profession despite their experiences. This lack of research necessitates the need for further study into the lived experiences of new nurses with lateral violence and their decision to remain in the profession. This qualitative descriptive phenomenological study helps to address …

Evidence-Based Educational In Home Program To Improve Self-Management Adherence And A1c Levels For Patients With Diabetes, Garrett Blaker

Dissertations

Background: Diabetes diagnosis rates continue to grow, affecting many patients, communities, and health care organizations. One of the greatest challenges faced by patients with diabetes is maintaining diabetes self-management activities including self-blood glucose monitoring, physical activity, a healthy diet, and daily foot checks in order to control their diabetes and reduce their A1c. Diabetic Medical Concepts (DMC) previously provided intermittent and inconsistent in-home diabetes self-management education. An in-home diabetes self-management education program, adherence system and A1c testing component was implemented among DMC's patients as part of a quality improvement project.

Aim: The aim of the quality improvement project was to …

What Does Masculinity Have To Do With It? The Roles Of Fathers In The Socialization Of Children’S Emotions And Emotion Regulation, Kathryn Cherry

Dissertations

Emotion regulation skills are important in a variety of domains throughout the lifespan, including psychological, social, academic, and occupational functioning. Research on children’s emotion regulation skill development often examines the family, exploring caregiver approaches to emotion socialization. However, this research has predominantly been conducted with mothers. Fathering is of particular interest to children’s emotional development for a variety of reasons, including the role of traditional Western masculine norms in gendered differences in emotion expression and regulation techniques. Fathers’ conformity with masculine norms and difficulty with emotion regulation have potential to impact their emotion socialization practices, and therefore relate to their …

The Relationship Between Shared Decision-Making And School Climate, Sara Bardwell

Dissertations

The focus of this study was to determine the extent of the relationship between shared decision-making and school climate. In order to explore these constructs, a quantitative survey included SEDS-R, OCI, and demographic items. The 109-item survey questionnaire was made available to K-6 elementary teachers in Mississippi.

Two hundred twenty-nine teachers responded to the questionnaire using Qualtrics. Survey results from SEDS-R and OCI were downloaded into Excel and cleaned of incomplete data sets and participants who did not meet the specifications set by the researcher. SPSS was then used to average the results from SEDS-R and OCI. Demographic information gathered …

Covid-19 & University Stakeholders: A Faculty Perspective, Torie Fowler

Dissertations

The purpose of this study was to investigate faculty member perceptions of job satisfaction, response efficacy, organizational communication efforts, along with organizational trust and goodwill in relation to the COVID-19 crisis. A cross-sectional survey was conducted, using faculty members employed at their institution of higher education during the 2019-2020 and 2020-2021 academic years. A total of 285 responses were analyzed.

Results of this study suggest faculty member perceptions of job satisfaction and response efficacy were significant in predicting perceptions of trust and goodwill. The most significant predictor of organizational trust and goodwill was perceptions of organizational communication efforts. Also, this …

Walking Into A News Desert: How Arkansas College Newspapers Are Coping With The Decline In Print Journalism, David Keith

Dissertations

News deserts is a reference to geographic areas — most commonly counties — where no newspaper is published. The number of these areas continues to grow as more newspapers shut their doors because of financial difficulties brought on by a lack of advertising, a lack of readers, and the shift to online news consumption. College students studying journalism find themselves on the cusp of entering a profession where the number of workplaces and jobs is shrinking. They know it and the advisers of their college newspapers know it. Even with this arid prospect before them, the students are reporting news …

Sustainable Development Among Four–Year Higher Education Institutions In The United States: A Geographic And Anthropological Perspective, Kori Nadine Armstrong

Dissertations

This dissertation investigates the factors that contribute to the cultural characteristics of sustainability among higher education institutions (HEIs) in the United States to shed light on how they represent themselves as sustainable. It documents four-year HEIs in the United States that self-identify as sustainable; evaluates how these institutions portray themselves to society as sustainable; and documents who is leading sustainability on U.S. college campuses. This dissertation fills an important gap in the literature on sustainable development in higher education that Holm and others (2016) have identified. Although education for sustainable development (ESD) has been recognized as an important topic, and …

The Relationship Between Social Isolation, Telecommuting Intensity Levels, Autonomy, And Job Satisfaction During The Covid-19 Pandemic, Kristy Williams

Dissertations

The COVID-19 pandemic forced workplaces to social distance, and millions of workers began telecommuting or working from home (Kniffin et al., 2021). Becker (2002) stated, “How well companies manage their human capital is a crucial factor in their success (p. 8).” The pandemic has profoundly affected human capital (Ballotpedia, 2021; Collings et al., 2021; Jesuthasan et al., 2020; Kniffin et al., 2021). This study examined the relationship between social isolation, telecommuting intensity levels, autonomy, and job satisfaction during the COVID-19 pandemic. The researcher attempted to answer the research question and objectives by conducting a quantitative correlation study using a survey …

Communication Crisis On Campus: The Public Relations Strategies, Tactics, And Results Of Mississippi’S Leading Universities In Response To The State Flag Debate, 2015-2020, James Coll

Dissertations

This dissertation utilizes W.T. Coombs’s Strategic Crisis Communication Theory to examine the public relations strategies and effectiveness of Mississippi’s three largest public universities, the University of Mississippi, Mississippi State University, and the University of Southern Mississippi, related to the historic decision to retire the state of Mississippi’s flag in 2020. Facing significant reputational threat and public pressure from students and faculty, the universities became public advocates for a new state flag in 2015 and 2016, when each chose to refrain from flying the flag—a flag that featured the Confederate battle emblem for more than 100 years—on its campuses. The universities …