Digital Commons Network^™

Met Alterations In Glioblastoma: Characterization Of Patient-Derived Xenografts And Therapeutic Strategies, Anna Musket

Electronic Theses and Dissertations

Glioblastoma is the most commonly diagnosed central nervous system primary malignancy and it is considered a terminal diagnosis with few treatment options available. Glioblastoma tumors frequently develop treatment resistance due in part to their highly heterogenic nature. The heterogeneity of glioblastoma is partially attributed to the presence of glioma stem-like cells (GSC), which are highly invasive and resistant to chemotherapy and irradiation treatments. Signaling of the receptor tyrosine kinase MET is a known regulator of GSC. Glioblastoma patients have an increasingly poor prognosis that corresponds with increasing MET expression. Both GSC and MET are known to contribute to treatment resistance …

A Pandemic’S Potential To Haunt: A Longitudinal Look At The Professional Wellbeing Of Tn’S Infant And Early Childhood Mental Health (Iecmh) Workforce, Robyn A. Dolson

Electronic Theses and Dissertations

Infant and Early Childhood Mental Health (IECMH) providers engage in uniquely relational work with high-risk families that expose them to the full advantages (i.e., compassion satisfaction [CS]) and disadvantages (e.g., burn-out [BO]) of a helper role. Though the pandemic seemed poised to escalate disadvantage, most early pandemic studies found high CS alongside elevated BO. Unfortunately, as COVID-19 has continued, CS has declined while BO has increased. Given the delayed COVID-19 impact on children, these changes may be particularly acute for IECMH providers. Using a longitudinal cohort of 27 IECMH providers, this study aimed to describe and quantify changes in professional …

Femoral Osteohistology In American Alligators (Alligator Mississippiensis) Reveals High Variation In Growth And Facilitates Interpretation Of An Early Pliocene Alligator, Davis Gunnin

Electronic Theses and Dissertations

Histological analysis of long bone thin sections is commonly used to infer growth rates and ecology of extinct vertebrates, particularly within Archosauria. However, most comparative neontological studies have used small samples of captive individuals, limiting the scope of variation. To fill this gap, 44 femoral thin sections of wild Alligator mississippiensis were prepared and analyzed. Comparison of slides revealed that larger individuals from cooler climates tend to show more LAGs compared to southerly A. mississippiensis of similar size, however, there is considerable variation. This pronounced variation in wild specimens emphasizes the need to use caution when interpreting paleohistological data with …

Lightweight Blockchains And Their Network Impact On Vehicular Ad-Hoc Network-Based Blockchain Applications, Edgar Bowlin

Electronic Theses and Dissertations

Vehicular Ad-hoc Networks (VANETs) provide networks for smart vehicles and will enable future systems to provide services that enhance the overall transportation experience. However, these applications require consideration to possible damage to both property and human life. Communication between vehicles requires data immutability and user privacies to provide safe operation of the system. Blockchains can provide these properties and more to create a more secure and decentralized system. However, a chain’s security comes from the chain length. VANETs’ ephemeral connections provide harm limits how much data can be exchanged during vehicle rendezvous. This thesis investigates lightweight blockchains that operate with …

Age And Paleontology Of The Turin Pit Locality, Monona County, Iowa, Samantha Wright

Electronic Theses and Dissertations

The Turin Pit locality (Monona county, Iowa) has been known to paleontologists since 1908, yet the age of the fauna has been unclear. Early paleontologists considered Turin Pit to date to a pre-Illinoian interglacial (the “Aftonian).” Subsequent researchers suggested it dated to the last glaciation. This study provides a partial list of mammals in the Turin Pit fauna, and together with stratigraphic information, uses the known age ranges of taxa to estimate an age for the assemblage. The presence of Mammuthus, Aenocyon, and Castoroides combined with a magnetically-reversed till located stratigraphically above fossil-bearing deposits, suggest the Turin Pit …

Hands-Only Cpr Education In Tarrant County, Courtnee C. Cross

Electronic Theses and Dissertations

The purpose of this project was to identify the impact of in-person, hands-only CPR education for community members on their confidence and ability in performing CPR. Bystander-initiated CPR is an important aspect in the survival and outcomes of those that experience a cardiac arrest in the community. The hands-only CPR method was developed to help increase bystander-initiated CPR and improve outcomes for those experiencing a cardiac arrest at home. This project was quasi-experimental, using pretest and posttest data. Community members took the Basic Resuscitation Skills Self-Efficacy Scale (BRS-SES) before and after the hands-only CPR education video to determine how the …

The Transformation: Teaching Critical Thinking And Clinical Decision Making In Nursing Education, Winifred Ferguson Adams

Electronic Theses and Dissertations

Abstract

The profession of nursing has recognized in the past 20 years the need for graduate nurses to enter the profession prepared to care for complex medical patients in an ever-changing healthcare environment. It has become a major challenge for nurse educators to provide students with adequate didactic and clinical education in nursing. The overall purpose of this project was to help nurse educators accept the challenge required to make the radical transformation in education. Faculty participated in the measurement of self-efficacy pre and post-exposure to teaching strategies related to (1) critical thinking, (2) clinical judgment, and (3) clinical reasoning …

Effects Of Parental Deployment On Military-Connected High School Students And Strategies For Academic Success, Sean T. Lucas

Electronic Theses and Dissertations

Abstract The problem investigated in this study was unknown opportunities that exist for educators to meet the academic needs of students who are affected by combat parental deployment and how this challenge of combat deployment disrupts the family’s dynamic, thus challenging their children academically. The Air Force, Army, Navy, Marines, and Coast Guard made up about 1% of the total United States population in 2015. Most of these people were married, 42% had children, and 54% of their children were in kindergarten to 12th grade. The Department of Defense school system is comprised of 166 accredited schools across 11 foreign …

The West Point Talent Based Branching Program As A Predictor Of Performance At The Army’S Field Artillery Basic Officer Leadership Course: Implications For Officer Retention, Ryan Oldroyd Scott

Electronic Theses and Dissertations

Junior officer attrition has increased over the last two decades. The early departure of army officers leaves a dearth of middle- and senior-level leadership, creating risk for future military readiness. West Point leaders theorized that new officers’ poor person–job fit within their specific career fields contributed to attrition. West Point implemented a talent-based system to place new officers into branches that should offer a stronger person–job fit, hoping it would reduce officer attrition. To begin the investigation on how this talent-based system affects attrition, this study examined graduates who joined the field artillery career field to ascertain if the various …

The Emotional Intelligence And Conflict Management Relationship In Black Women Leaders, Tina Raylyn Jackson

Electronic Theses and Dissertations

This study examined the relationship between emotional intelligence and conflict management styles in Black women leaders in the United States. The lack of literature surrounding Black women leaders' emotional intelligence or conflict management styles presented an opportunity to offer quantitative data connected to these constructs. A cross-sectional survey design was used to administer three surveys the Situational Test of Emotional Management- B, the Kraybill Conflict Style Inventory, and a modified version the Multidimensional Inventory of Black of Identity, that focused on Black female identity. Data from 124 participants were analyzed to learn if identity mediated the relationship between emotional intelligence …

Providers’ Effective Approach: Reducing Resistance To Insulin Treatment In Type 2 Diabetic Patients With Hyperglycemia, Eden A. Tsegay

Electronic Theses and Dissertations

Resistance to insulin therapy is primarily due to emotional and intellectual perceptions among patients with type 2 diabetes (T2D) new to insulin therapy. Providers’ effective approach to diabetes education equips patients with knowledge, which can reduce resistance to insulin therapy. This project included patients with T2D between the ages of 18 to 70 whose glycated hemoglobin (HgbA1c) was ≥ 8.5% taking two or more oral antidiabetic agents and not on insulin therapy. Data were collected using the Insulin Treatment Appraisal Scale (ITAS), a 20-item instrument that contains 16 negative and four positive statements that appraise an individual’s perception of insulin …

Care Transition Assessment Redesign In The Acute Care Setting, Darla M. Johnston

Electronic Theses and Dissertations

There is a gap in case management professional practice with a lack of consistent, research-based transition evaluation (TE) tools available and used in practice. An evidence-based case management TE is necessary to develop a holistic and comprehensive discharge plan for hospitalized patients. Updating and implementing an evidence-based case management TE would positively impact the transition of care and promote improved health outcomes including a reduction in readmissions. This quality improvement project used a quantitative nonexperimental, interventional pretest-posttest design. Kirkpatrick’s multidimensional knowledge attitudes assessment (KAP) education evaluation model was used to assess (1) the influence an educational offering on evidence-based assessment …

A Study Of The Perceptions Of Professional Development Programs For K-12 Teachers In Transition, Kimberly S. Alfred

Electronic Theses and Dissertations

The global pandemic of 2020–2021 forced many K-12 schools across the world to require the ability to teach both in a traditional setting and also in a virtual environment. While many leaders thought the transition from traditional to virtual instruction would be easy, it actually proved to be more difficult than first imagined. The purpose of this qualitative descriptive study was to explore how K-12 traditional teachers in Texas describe their professional development experience after moving from a traditional setting to a virtual environment and then back again, pre- and postpandemic. Three research questions guided this study: (a) How do …

How Interactions With An Academic Advisor Influence The Self-Efficacy Of Online And Distance Education Students, Tonya Renae Fulk

Electronic Theses and Dissertations

Institutions of higher education are experiencing an increasing number of students enrolling in online or distance education courses. The majority of these students are adult learners. The increase in enrollment is beneficial to institutions of higher education, but it is overshadowed by the low degree completion rate for online and distance education learners. Academic advisors play a crucial role in guiding students to degree completion. While there has been research on the potential contributing factors in online and distance education student retention, the research has been lacking in how communications with academic advisors may influence students’ levels of self-efficacy. The …

Longitudinal Prospective Relations Between Cannabis Use And Substance-Free Activities In A Diverse Community Sample Of Emerging Adult Heavy Drinkers, Andrew T. Voss

Electronic Theses and Dissertations

National drinking and drug use trends suggest emerging adulthood (ages 18-25) is the developmental apex of harmful co-use of alcohol and drugs, with notable recent increases in cannabis use among emerging adults. Many emerging adults naturally begin to reduce harmful alcohol or drug use into their late 20s and 30s, however, a significant subgroup report a developmentally persistent pattern of frequent alcohol and cannabis use. There is evidence that limited access to alternative substance-free reinforcement (SFR) is a risk factor for chronic alcohol and drug misuse, there is a need for longitudinal research that examines changes in patterns of SFR …

Determinants And Predictors Of Smoking-Related Weight Concern In Smokers Participating In A Community-Based Cessation Program, Cheri Kilmurray

Electronic Theses and Dissertations

Background: Concern about weight gain is a barrier to smoking cessation, but determinants of post-cessation weight concern have not been adequately evaluated in the context of community-based cessation programs. Methods: Baseline data were analyzed from a cessation trial of 392 adults randomized to physical activity (PA) or general wellness counseling as adjunctive treatment for cigarette smoking. Outcomes were 1) Use of smoking to control weight (“control”) and 2) Willingness to tolerate weight gain without returning to smoking (“intolerance”) using validated instruments. Independent variables were self-reported PA and perceptions, socio-demographics, psycho-social measures, smoking behavior and perceptions, diet, and body mass index …

Analysis Of The Appointment, Experiences, And Job Satisfaction Of Leaders In Large Schools Of Music, Claire Murphy

Electronic Theses and Dissertations

Little is known about how male and female middle-level leaders in schools of music come into their leadership roles, how they distribute their time among responsibilities, and how the distribution of time or other factors impact their professional identities, creative activities, and job satisfaction. Quantitative, self-reported survey data collected on music leaders in large schools of music and qualitative data collected from a panel discussion with representative leaders were used to analyze the five research questions in this explanatory sequential mixed-methods study. An analysis of the relationship between the two variables, gender and method of entry, showed a weak association. …

On-Campus Mental Health Service Use Among College Students With Autism: A Case Study Applying The Andersen Behavioral Model Of Health Services Use, Estella C. Lilyquist

Electronic Theses and Dissertations

The unique set of impairments and limitations presented by students with autism spectrum disorder (ASD) make the accessing of campus-based nonacademic resources more difficult and complicated than their typically developed peers. Each year, the rate of students entering college with disabilities continues to grow, but their mental well-being is relatively poor. The purpose of this qualitative case study was to apply the conceptual framework of the Andersen behavioral model of health services use (ABMHSU) to the experiences of college students with ASD to understand and predict their utilization of campus-provided mental health resources. The participants were seven college students with …

Teacher Self-Efficacy In Novice Job-Embedded Practitioners, Shay Shannon

Electronic Theses and Dissertations

Each year, thousands of novice teachers are hired, and within a few years, many of these teachers decide to leave the profession. Job-embedded practitioners, teachers who have yet to fulfill their academic requirements at their universities to become fully licensed teachers and are taking an alternative route to obtain their teaching licenses, comprise a large proportion of those novice teachers. Local and state school districts spend thousands of dollars trying to recruit new teachers to balance high attrition rates. With current teacher shortages nationwide, schools must find novel mechanisms to combat teacher attrition, rather than constantly hiring new teachers to …

The Impact Of The Digital Divide On Rural Community College Students, Martin Ray Sheppard

Electronic Theses and Dissertations

Abstract

This qualitative case study investigated the perceived impact of the digital divide on rural U.S. community college students. An online survey was conducted of adult community college students at a rural community college. In addition, volunteer faculty at the same institution were interviewed through Zoom. The purpose of the student surveys and faculty interviews was to determine the impact of the digital divide on rural community college students and the ways in which these students seek to overcome the divide. This study used a theoretical framework that combined aspects of the situational theory of problem solving (STOPS) with the …

Effective Leader Development Within A Church-Planting Organization For A Changing And Chaotic World, Jeremy Davis

Electronic Theses and Dissertations

A challenge in cross-cultural church planting is developing leaders. Cross-cultural church-planting organizations like Latin American Mission (LAM; pseudonym) that lack a leadership development strategy struggle to form lasting leaders, sending missionaries with Biblical training but not leader development training. Additionally, developing leaders in a volatile, uncertain, complex, and ambiguous (VUCA) environment creates specific challenges that missionaries must address. The purpose of this qualitative, Delphi method study was to investigate the leadership development perceptions and experiences among existing LAM missionaries in the regions of Latin America (Colombia, Cuba, Mexico City, Peru, Brazil, and Ecuador) to provide suggestions for improving effective leadership …

Why Democracies And Autocracies Go To War: Comparing The Cases Of Iraq And Ukraine, Ketevan Chincharadze

Electronic Theses and Dissertations

History shows that both democratic and nondemocratic countries wage wars to advance their strategic interests. This study has comparatively analyzed two conflicts – the 2003-2011 U.S. invasion of Iraq and Russia’s ongoing war in Ukraine – to identify the trends that motivate both democratic and autocratic leaders to behave similarly by launching an invasion. The interpretive research of various memoirs, books, interviews, academic articles, news reports, and speeches, has uncovered that personal biases, particularly confirmation biases, play a significant role in motivating leaders to start a war. Leaders’ confirmation biases are often shaped by three prominent factors – historical memory, …

An Investigation Into Machine Learning Techniques For Designing Dynamic Difficulty Agents In Real-Time Games, Ryan Adare Dunagan

Electronic Theses and Dissertations

Video games are an incredibly popular pastime enjoyed by people of all ages world wide. Many different kinds of games exist, but most games feature some elements of the player overcoming some challenge, usually through gameplay. These challenges are insurmountable for some people and may turn them off to video games as a pastime. Games can be made more accessible to players of little skill and/or experience through the use of Dynamic Difficulty Adjustment (DDA) systems that adjust the difficulty of the game in response to the player’s performance. This research seeks to establish the effectiveness of machine learning techniques …

The Politics & Poetics Of Audience Creation In Contemporary Epistolary Memoir, Sarah M. Davis

Electronic Theses and Dissertations

This thesis examines Ocean Vuong’s On Earth We’re Briefly Gorgeous and Kiese Laymon’s Heavy as works of life writing that leverage the epistolary form to engage their direct maternal addressees and audiences beyond them in revision and reconstruction of identity. Secondary audiences are considered in light of Michael Warner’s “Publics and Counterpublics,” and the social affordances of the epistolary form and self-constructive affordances of life writing are analyzed in tandem as a hybrid epistolary memoir form. Specifically, this project explores how the epistolary memoir form affords Vuong and Laymon opportunities for the process of personal, relational, and communal identity construction, …

An Exploration Of Palauan Fishing Methods And Fisheries: A Study For The Conservation Of Dugongs, Mia Glover

Electronic Theses and Dissertations

The dugong (Dugong dugon) is an important marine mammal in Palau. However, current population dynamics are not well understood. This study aimed to connect scientific data with local knowledge by examining the social implications of changing fishing methods and their impact on dugong population dynamics in the face of climate change and fisheries commercialization. Through interviews with local fishers, it was found that destructive fishing methods like trawling and long lining have led to habitat loss and degradation for dugongs. These tactics, driven by economic factors, have disrupted the delicate balance between human activities and the preservation of dugong habitats, …

Rethinking Bibliotherapy: Portraits Of Gifted Adult Readers, Jervaise M. Pileggi

Electronic Theses and Dissertations

Gifted individuals have unique socioemotional needs due to their sensitivity and intensities. Bibliotherapy is often recommended to gifted persons to help them understand themselves and others and to address affective needs. However, bibliotherapy’s roots are embedded within a clinical background, thus requiring an element of discussion. Instead, I argue that gifted adults use metacognition to replace the need for discussion. Portraits of gifted adult readers (N=7) in their 30s-50s illustrate that metacognition has occurred over their lifespan regarding their reading, with only one participant actively engaging in discussion, and book selection meets the socioemotional needs of the reader. The findings …

Something Wicked: Witches And Rhetorics Of Resistance, K. Scarlett Harrington

Electronic Theses and Dissertations

This project joins other academic conversations regarding the dynamics of power, modernity, witchcraft, and magic within the contexts of Western hegemony. Occasioned by kairotic cultural events and the reinforcement of ideologies like those found in the Dobbs decision, QAnon conspiracy, and rise of Christian Nationalism, this project contends that evaluating the potential political power residing in witchery is necessary in understanding some of the nuances of hegemonic control and resistance to oppressive authority. Predominantly following rhetorical evaluations of magic found in the works of Gunn and Covino, I maintain a non-universal methodological practice that works to understand the various instrumentality …

Vegetal Being: Dreamwork, Ritual, And Performance In Han Kang’S The Vegetarian, Briana Hanratty

Electronic Theses and Dissertations

In this thesis, I am writing towards an ecofeminist informed reading of the English version of The Vegetarian by Han Kang, translated by Deborah Smith. My aim is to display how, like an ecosystem of complex interdependency, it is impossible to separate body from theory from text from ecological context. To engage with this form of ecofeminism, I center an autotheoretical methodology with voices from ritual theory and performance theory in order to examine how Yeong-hye, the titular vegetarian of Han Kang’s novel, operates as a narrative-level metaphor for the desire for erotic ecology as a mode of ecological and …

Gender And Disability: An Exploration Of Reflective Practice For Protection And Access Amid Complex Emergencies, Lindsey A. Mandolini

Electronic Theses and Dissertations

Gender and Disability: An Exploration of Reflective Practice for Protection and Access Amid Complex Emergencies is a qualitative research project exploring under what conditions and in what ways disabled persons’ organizations (DPOs) effectively protect and provide access to women and girls with disabilities amid complex emergencies. The study upheld a participatory approach and rights-based framework, emphasizing that authentic inclusion requires centering disabled voices in research. Drawing on extant research, grey literature, and data collected from online practitioner questionnaires and semi-structured interviews, the study conducted a multi-phased reflexive thematic analysis. The research findings culminate in a composite narrative that brings to …

The Queer Ecology Of Clouds In Nineteenth-Century British Poetics, Lucien Darjeun Meadows

Electronic Theses and Dissertations

Throughout the nineteenth century, British writers were interested in the emergent science of meteorology, and their lyrical writing (their “poetics”), from poetry to creative and scientific prose, often turns to clouds as both meteorological formations and as material metaphors for human-environment interactions. These writers frequently invoke clouds to disrupt or “queer” depictions of human-environment relationships built on human domination of environmental beings. Clouds, in poetic writing, help writers (and readers) instead experience subject-subject relationships of reciprocity—a collaborative, non-hierarchical way of existing with and learning from our ecological relatives.

Dwelling in the confluence of literary studies, queer studies, and ecology, The …