Digital Commons Network^™

The Effect Of Variable Learning Contexts On Novel Word Retention In Adults, Emily A. Badoni

Theses and Dissertations

This study investigated the impact of decontextualized learning on memory recall and retention within virtual reality (VR) environments. Forty-six healthy young adult participants, both male and female, were randomly assigned to either a consistent VR learning condition (n = 23) or a diverse VR learning condition (n = 23). Both groups were exposed to the same set of 30 nonwords and their definitions across three learning phases. The participants in the consistent condition remained in the same VR environment throughout the study, while the participants in the diverse condition experienced three different VR environments. Immediate and delayed post-tests were conducted …

University Department Chair Perceptions Of Open Access Journals And Open Textbooks, Rebecca Nicole Nissen

Theses and Dissertations

This study investigated the perceptions of university department chairs regarding open access journals and open textbooks. It was conducted as a qualitative single case study analysis using semistructured, in-person, one-on-one interviews. The six participants interviewed are department chairs from a large, private university in the western United States. Five levels of coding were used with thematic codes drawing from the TAM2 model. Findings revealed participant perceptions on (a) personal values, (b) university mission alignment, (c) predatory journals, and (d) promotion and tenure. The results obtained from this study can inform and influence institutional change and can also help inform future …

Adapting For Accessibility: How Secondary Humanities Teachers Modify Open Educational Resources Using The Universal Design For Learning Framework, Christine Nick

Theses and Dissertations

The purpose of this study was to examine how secondary humanities teachers modify Open Educational Resources (OERs) to align with the Universal Design for Learning (UDL) framework. Originally developed to democratize access to educational content, OERs have become widely used across K–12 settings in the U.S., particularly following initiatives such as the Common Core standards and the U.S. Department of Education’s #GoOpen Project. Despite the growing adoption of OERs, limited research has addressed how teachers adapt these materials to meet the diverse needs of their students, especially through the lens of accessibility and inclusivity. Using the UDL framework, this descriptive …

The Effect Of Applied Mental Health Courses On College Student Anxiety And Perfectionism, Nathan Thomas Rhees

Theses and Dissertations

University students face a variety of mental health challenges, including increasingly high rates of anxiety. As demand for college counseling services among student populations rises, universities have an increasing need for effective and resource-efficient methods of intervention that support student mental health on their campuses. One area in need of research is that of using university classes themselves as a form of preventive intervention. If effective, this kind of preventive measure might be a particularly attractive method of reducing incidence of mental illness on campus and decreasing demand on university therapy resources. This study involves students at a private university …

Understanding The Transitional Needs Of Servicemembers To Veterans: A Focus On Mental, Social, And Behavioral Health, Marieann C. Raguso

Theses and Dissertations

This applied dissertation was designed to fill the gaps on the transitional American veterans’ lived experience using their own voice. The reconstruction of an American Veteran’s identity after transitioning back into civilian life is a process with many challenges. Transitional practices often fail to help veterans to acculturate back into the civilian world. This includes the formulation of identities and associations. There is a lack of consistency in military transitional practices leading to identity loss and the formulation of mental and behavioral disorders. The aim of this study is to examine the lived experiences of veterans who have transitioned back …

Enhancement Of Ambient Air Quality Index Forecasting Using Optimized Ensemble Model, Vanitha M

Theses and Dissertations

Forecasting ambient air quality is essential for environmental sustainability and public health, especially in heavily populated regions such as China, India, and the United States where air pollution remains a serious concern. Traditional forecasting models often struggle to accurately represent air quality data because of its complex patterns and nonlinear interactions. To address these challenges and improve forecast performance, this research proposes a comprehensive strategy that integrates parallel heterogeneous ensemble modeling with Bayesian optimization.

The study begins with a seasonal machine learning–based imputation technique (SeasonalMLImpute) designed to handle missing data in meteorological and air quality parameters. This method is evaluated …

Sd-Weat: Towards Robustly Measuring Bias In Input Embeddings For Artificial Intelligence Language Models, Magnus Gray

Theses and Dissertations

Artificial intelligence (AI) is rapidly transforming industries and markets, from healthcare to entertainment, revolutionizing decision-making processes. However, as AI grow more influential, they also risk amplifying existing biases, potentially leading to harmful consequences. Recent advancements in large language models (LLMs), such as GPT-4 and Llama, have heightened concerns about bias in natural language processing (NLP) tasks, driving the need for robust methods to detect and mitigate bias. Current approaches, such as the Word Embedding Association Test (WEAT) and its sentence-level extension the Sentence Encoder Association Test (SEAT) often fall short in capturing the nuances of biases in the input embeddings …

Lo Que No Borró El Desierto (2020) De Diana López Zuleta Y Cómo Maté A Mi Padre (2020) De Sara Jaramillo Klinkert: Crónica Y Memoir, Las Voces De Las Hijas En El Duelo, Bertha Galvan

Theses and Dissertations

This thesis analyzes the works of two Colombian authors, Diana López Zuleta and Sara Jaramillo Klinkert, who, as indirect victims of their father's murder, address impunity and its psychological effects through two genres: the chronicle and memoir. López Zuleta describes the process of mourning through the search for justice, while Jaramillo Klinkert explores mourning and the symbolic process of "killing the father" in a context of impunity. Both authors use their work to address the violence in Colombia, the memory, and the search for the truth, emphasizing the importance of literature as an aesthetic expression and a therapeutic and ethical …

Case Study On A Shift To Open Educational Resources In An Academic Department, Karina May Jackson

Theses and Dissertations

Open educational resources (OER) have the potential to significantly impact the landscape of higher education. However, many users of OER find it difficult to adopt programmatically due to the barriers of awareness, quality assurance, institutional culture, and sustainability. This case study of the successful OER adoption in an education department serves as a look into the conditions and practices that allowed for the promotion, continued use, and production of open educational resources. The results indicate that the climate, technology, and opportunity costs surrounding tenure and promotion were key factors in the faculty's experience with acting on their inclinations toward openness.

Role Of Multimedia And Conative Words In Online Socio-Political Mobilization, Mainuddin Shaik

Theses and Dissertations

In the digital age, social media platforms have become vital for political mobilization, enabling rapid information dissemination, real-time engagement, and virtual community formation. This dissertation presents a novel multi-method framework to analyze mobilization dynamics on multimedia-centric platforms, focusing on Instagram, X (formally Twitter), and TikTok. The study examines Brazilian political protests (November 2022–February 2023) and disinformation and anti-disinformation campaigns during Taiwan's 2024 presidential elections. The research applies a multi-method framework to analyze mobilization characteristics in Brazilian and Taiwanese social movements, grounded in the Diffusion of Innovations (DOI) theory. This approach assesses how multimedia formats—images, sidecars, and videos—influence cognitive mobilization at …

A Comparative Study Of Toxicity Propagation Using Epidemiological Models, Niloofar Yousefi

Theses and Dissertations

This dissertation explores the spread and intensity of toxic content on social media, with a particular focus on platform X (formerly known as Twitter). The growing presence of toxic interactions has sparked concerns about their effects on public discourse. Utilizing epidemiological models such as SIR (Susceptible, Infected, Recovered), SIS (Susceptible, Infected, Susceptible), SIRS (Susceptible, Infected, Recovered, Susceptible), SEIRS (Susceptible, Exposed, Infected, Recovered, Susceptible), and the novel SEImIhRS model (Susceptible, Exposed, Moderate Infected, High Infected, Recovered, Susceptible), which are traditionally used to study infectious disease dynamics, this dissertation examines toxicity in platform X discussions. A key contribution of this work is …

Flying Under The Radar: Navigating Through Frustrations, Tears, And The Politics Of The Liberal Arts Curriculum, Sandra Houghton

Theses and Dissertations

The elements and principles of art continue to highly influence curriculum in the typical art foundations class. The reduction of art and artmaking to their formal properties constricts a student’s ability to engage in real-life artist processes, and many important contextual meanings are lost. Consequently, art foundations curriculum derived from the elements and principles of art narrows the lens through which we create, teach, and talk about art. In my own experience as an art teacher, I have found that this approach limits my teaching and makes it difficult to fully and authentically understand the works of other artists and …

Investigating The Efficacy Of Prompt Engineering Techniques For Research Survey Paper Generation Using Large Language Models, Innocent Obed Awidi

Theses and Dissertations

The recent advancements in large language models (LLMs), such as ChatGPT, offer promising potential for automating academic writing tasks. This study investigates the efficacy of prompt engineering techniques in guiding LLMs to generate high-quality research survey papers, specifically exploring their application in the fields of artificial intelligence (AI) in drug development and large language model customization for classification. Using a mixed-methods approach, this research assessed the impact of prompt engineering on the coherence, relevance, and overall quality of generated content through quantitative and qualitative analyses. Techniques including prompt refinement, contextual prompting, and iterative prompting were systematically applied to enhance the …

Applied Indigenous Knowledge Translation: Naatookyookaasii, Lynn Marie Mad Plume

Theses and Dissertations

This dissertation portfolio comprises three projects aimed at advancing Indigenous health and integrating cultural perspectives into research and practice. Guided by principles of community engagement and ethical research practices, these projects align closely with my career goals in Indigenous health policy and research. The first project, "Measuring Wellness Through Indigenous Partnerships," is a scoping review that examines global Indigenous wellness measures and assesses community involvement in defining measures of wellness. This review informs future practice directions and supports my advocacy for culturally responsive methodology. The second project, "Reciprocal Facilitation: Protocols and Practices for Listening Sessions with Tribal Communities," introduces a …

The Lasting Psychological Effects Of Juvenile Arrests, Nadia Olivia Bortolin

Theses and Dissertations

This research investigated the enduring psychological consequences, specifically depression and anxiety, stemming from juvenile arrests and their influence on adulthood. Literature has demonstrated impacts on juvenile arrests from cultural, socioeconomic, family dynamics, and environmental elements. This study addresses a notable gap in understanding the long-term impact on mental health and employment. Research indicates a sensitivity to outcomes based on the age of arrest, with early adolescent arrests having profound effects on development and an increased likelihood of subsequent criminal activities. Developmental and risk factors, such as socioeconomic challenges and pubescent difficulties, contribute to persistent delinquent behaviors into adulthood. Some studies …

The Heroine Among Us: An Analysis Of The Feminine Principle Of The Heroine Archetype In Motion Pictures And Its Implication For Social Discourse, Neldie Gonzales

Theses and Dissertations

This thesis explores an emerging myth perceived by the rise of the feminine principle in modern society that challenges traditional gender roles. It forms a connection between the heroines seen in film and those in the real-world. It explains how the characteristics of unity, equality and love align to the feminine principle, the acquisition of which defines the archetypal hero along the hero’s journey as described by Joseph Campbell. This work proposes that stories containing this kind of archetypal hero are seeded by the discourse occurring in real-world society. Conversely, it suggests that when viewed by billions of people, blockbuster …

Differential Effects Of Workplace Readiness Training And Job Placement Services Provided By Vocational Rehabilitation Vs School Transition Programs: A Retrospective Study Of Young Hispanic Adults, Ashley Laura Wheeler

Theses and Dissertations

This ex-post facto study, “Differential Effects of Workplace Readiness Training and Job Placement Services Provided by Vocational Rehabilitation vs. School Transition Programs: A Retrospective Study of Young Hispanic Adults” investigates differential effects of workplace readiness training and job placement services provided by vocational rehabilitation versus local education agency on employment outcomes for young, Hispanic, transition-aged youth with Autism or Intellectual Disabilities. The study examines sustained employment and differences in employment rates for individuals aged 18-23 who participated in work-based learning experiences with job coaches through VR or an LEA. Participants include 30 TAY with Autism and Intellectual Disabilities who exited …

Thank You For Your Service, Dwayne Vega

Theses and Dissertations

This thesis offers an intimate exploration of my experiences as a soldier during two deployments to Iraq, describing everyday realities of military life. Rather than glorifying the battlefield with warrior myths, I focus on the emotional toll, survival, and the complex relationships among soldiers. My narrative traces the gradual development of PTSD and my eventual reliance on drugs and alcohol as a coping mechanism. Through this personal lens, the thesis seeks to challenge common misconceptions about the soldier's life, offering a raw and authentic portrayal of service, trauma, and the lasting effects it had on my life.

Investigating The Role Of The Estrous Cycle On Memory In Syrian Hamsters, Laura Emma Garcia

Theses and Dissertations

The female reproductive system plays a significant role in cognitive function in humans and animals. For this reason, it is important to study the estrous cycle and memory in the female Syrian hamster as a model to better understand its role on cognition. Like the human female menstrual cycle, the female hamster has inconsistencies and changes in their cycles as they age. Irregular menstrual cycles and the absence of estrogen, the sex hormone necessary for supporting the sexual and reproductive health of a woman, also affect a woman’s brain, including memory (John Hopkins Medicine, 2022). In the present study, we …

Examining The Impact Of Body Esteem And Cyberbullying Victimization On Mental Health Outcomes In College-Aged Women, Lorena Victoria Houghton

Theses and Dissertations

This study investigated the role of cyberbullying victimization, body image constructs, and social anxiety on depression and suicidal ideation among 396 college-aged women. The researcher hypothesized there would be an indirect relationship between various body image-related constructs and depression/ suicidality through cyberbullying victimization and that the relationship between cyberbullying victimization and depression/ suicidal ideation would be moderated by social anxiety. Moderated mediation analyses via bootstrapping revealed cyberbullying victimization significantly mediated the relationship between various body image-related constructs (appearance-related social media consciousness, body esteem, and internalization of body ideals) and suicidal ideation while social anxiety served as a moderator between cyberbullying …

Student Loan Debt Disparity Among White, African American And Hispanic Women: A National View, Arnoldo Trejo

Theses and Dissertations

Published research into the student loan debt problem reveals a disproportionate impact on underrepresented groups within higher education, notably Hispanics, African Americans, and women students. Research on student loan debt underscores that lower-income and first-generation college students are significantly more affected when compared to their higher-income counterparts. The escalating trends in student loan debt are forcing college-going students in the United States to postpone major life events such as homeownership, marriage, and starting a family. The burden of high student debt negatively influences the accumulation of family wealth, including critical aspects such as home ownership, retirement savings, investments, and other …

Online Learning Communities And Secondary Educators' Tech-Enhanced Instructional Practices: A Correlational Study, Oscar R. Carrera

Theses and Dissertations

This correlational study investigated how secondary educators' engagement in online learning communities relates to their tech-enhanced instructional practices, a relationship that gained importance following the COVID-19 pandemic's acceleration of educational technology adoption. Through the lens of Keller's ARCS Model of Motivation (Keller, 1987) and demographic analysis, the research examined three key aspects: the relationship between community engagement and tech-enhanced instructional practices, demographic predictors of engagement, and correlations between ARCS motivational components and engagement. Data collected through a cross-sectional survey of 115 secondary educators revealed a statistically significant moderate positive correlation between engagement in online learning communities and tech-enhanced instructional practices. …

Understanding Social Media As A Communicative Tool To Facilitate Critical Discourse: Using #Blackgirlmagic To Explore How Black Women In Higher Education “Talk Back", Crystal Spruill Carter

Theses and Dissertations

Black women have engaged through social media platforms, as a mechanism to uplift their embodiment, despite being relegated to the margins. The hashtag #BlackGirlMagic (BGM) is linked to narratives of Black women in higher education that are empowering and problematic. The development of the popular social media movement during a time when Black women were being portrayed negatively made engaging in the discourse "talking back" possible. This study explores the lived experiences of Black women college students and recent graduates, using currere as an analytical tool for my own communication journals entries as a data source to structure my reflections …

Leveraging A Community Of Practice To Advance Stem Education Reform And Promote Teacher And Student Self-Efficacy, Ruth Renee Colyer

Theses and Dissertations

This dissertation examined the impact of the CREST-MECIS community of practice on K-12 STEM teachers and undergraduate and graduate students, addressing the urgent need for innovative approaches in science education to meet the challenges of the 21st century. The study was grounded in response to three primary problem statements: 1) the significant learning losses and socio-emotional challenges stemming from the COVID-19 pandemic, 2) the inadequacy of traditional instructional methods in post-pandemic classrooms, and 3) the need for culturally relevant and inclusive teaching practices that acknowledge students’ lived experiences. Data were collected through pre- and post-interviews, survey analyses, and qualitative feedback …

Community Reintegration Of Previously Incarcerated Individuals From A Virtue Perspective, Cindy Noemi Hernandez

Theses and Dissertations

Community reintegration is one of the most important indicators that determine the success of previously incarcerated individuals’ rehabilitation. It is influenced by several factors such as support, attitudes, strengths, and virtues. One emerging area of study that can be related to community reintegration is virtue. The concept of virtue has received increasing attention in rehabilitation research, focused on how one’s virtuous pursuit of excellence improves well-being and adaptation (Kim et al., 2016). In that community reintegration is a type of life adjustment, virtue can be related to community reintegration. The present study examined community reintegration and perceived support of previously …

The Role Of Hope In Recovery From Sexual Assault For Hispanic Women, Esmeralda Rivera

Theses and Dissertations

Despite a growing amount of academic literature, there is a lack of research examining the levels of hope in Hispanic women recovering from sexual assault trauma. This quantitative survey investigates hope in Hispanic women healing from sexual assault trauma. The Miller Hope Scale (MHS) examines the variations and correlations between degrees of hope and demographic, personal, and self-advocacy factors. The research employs the Trauma Symptom Checklist—40 to investigate the correlation between levels of hope and trauma among women who have undergone sexual assault. Ninety-one Hispanic women from a crisis center in the U.S. were recruited for the study. Descriptive statistics, …

Emotion Regulation From A Virtue Perspective: Applications For Individuals With Adverse Childhood Experiences, Maria Eugenia Palomo

Theses and Dissertations

The purpose of this study is to explore the contributory effect of Virtues in differentiating one’s ability to regulate emotion. Convenience sampling will be utilized to obtain a total of 102 participants who had adverse childhood experiences. Participants will be recruited via collaboration with local behavioral counseling agencies. Two behavioral health counseling agencies located in Hidalgo County, including Corazon Consulting, Inc. and A Better Tomorrow, LLC, have agreed to be part of the present study. The research packets used in this study consisted of two parts: 1) a demographic information form, and 2) a research questionnaire that includes three instruments …

Sustainability Of Military Values Post Military Service: A Quantitative Study, Jennifer Ann Jazinski

Theses and Dissertations

Military-to-civilian transitioning represents a multidimensional process of adjustment, encompassing mental and physical health, basic physiological needs, practical (e.g., employment), and cultural domains. The intent of this study is to examine the sustainability of military values (e.g., duty, integrity, ethics, honor, courage, and loyalty) post-military service and to identify whether reported levels of sustained military values impact veterans’ reported level of Quality of Life (QoL). This study will assess the impacts demographic variables (e.g., gender, ethnicity, relationship status, age, number of children, highest level of education, student status, employment status, comfort with finances, living status, county of residence). and military service …

The Association Between Childhood Trauma And Adulthood Depression And Posttraumatic Symptoms. Mediated Through Emotion Regulation And Perceived Social Support., Josue David Luna Jr.

Theses and Dissertations

Depression and posttraumatic stress are two psychological consequences commonly reported by adults exposed to adverse childhood experiences. High prevalence of childhood adversities in the United States is a significant concern. Despite this, the specific causal mechanisms connecting childhood adversity to adult psychopathology remain undiscovered and require further research. This research aimed to determine whether perceived social support, cognitive reappraisal, and expressive suppression, two alternate forms of emotion regulation, would independently mediate the link between adverse childhood experiences and psychopathology in adulthood among a sample of U.S. Hispanic students. A total of 814 undergraduate students completed an anonymous online battery of …

An Exploration Of The Intersections Of The Science Of Reading And Culturally Sustaining Pedagogies: A Constructivist Grounded Theory Study Of Preservice Teachers’ Practice With Teaching Reading Comprehension, Elizabeth Kittleman

Theses and Dissertations

This study explores the possibilities and tensions that emerged when preservice teachers integrated both the science of reading and a culturally sustaining framework when learning about and teaching reading comprehension. Utilizing a constructivist grounded theory methodology, this research draws on data from interviews, student coursework samples, and a researcher journal collected over the course of a semester. During data analysis, four emergent themes were constructed: managing the multiple realities of teaching reading, leveraging background knowledge, navigating biculturalism and inequities, and negotiating a teacher’s role. Findings illustrate the complex relationship between theory and practice when preservice teachers draw on students’ linguistic …