Digital Commons Network^™

Mental Health Effects Of Applied Mental Health Courses Vs. Non-Course Controls On Depressive Symptoms And Psychological Flexibility, Madeline Jane Cope Diopulos

Theses and Dissertations

This study aims to evaluate the effectiveness of an applied mental health course in a university setting in reducing distress and symptoms of depression and increasing levels of psychological flexibility. As university psychological services are unable to meet the need of their students, other methods of treatment must be explored. Participants in the study are comprised of those who chose to enroll in a student development course aimed at increasing psychological flexibility and introducing basic psychoeducation as well as various university students who elected to participate. Depressive symptoms and psychological flexibility were measured pre-, mid-, and twice post-test in both …

L2 English And Language Anxiety: Accuracy, Comprehensibility, And Speech Rate Across Three Communication Tasks, W. Cole Thorpe

Theses and Dissertations

This study examines how second language (L2) English learners differ in their amount of language anxiety across three communication tasks: a formal academic speaking test, an informal casual interaction with a classmate during an activity in pairs, and a formal interview with an unfamiliar native speaker. It also addressed whether and how their language anxiety across the three tasks affected their accuracy, comprehensibility, and rate of speech. Thirty-seven intermediate-high L2 English learners participated in the three communication tasks. They also completed a general language anxiety questionnaire and three anxiety inventories--one before each task. Results demonstrated that the speaking exam caused …

Understanding Gender Identification Within Individuals With Autism Using The Bem Sex-Role Inventory, Zackery Alan Cusworth

Theses and Dissertations

Gender is a socially derived construct that is taught and understood at young ages. However, not every individual has the same social skills to understand these seen and unseen social cues about gender. The Bem Sex-Role Inventory was given to adult individuals with autism in the United States to better understand their masculine, feminine, and androgenous perceptions. These data were then compared to the original Bem Sex-Role Inventory general population study to see if there were any differences. The data show that males with autism had lower masculine scores and higher feminine scores than males in the general population. Females …

School Psychologists' Recommendations For Tiered Interventions That Target Social-Emotional Competencies, Brandi Alise Bezzant

Theses and Dissertations

Many schools advocate for addressing the diverse needs of students through a multi-tiered model of prevention and intervention known as the Multi-Tiered System of Supports (MTSS) framework. This framework often incorporates the use of universal screening to obtain data concerning students' academic and/or social-emotional and behavioral needs. School teams are expected to design and implement tiered strategies in response to data concerning students' social-emotional needs; this can be a challenging facet of MTSS. To aid in this endeavor, this qualitative study elicited school psychologists' recommendations for (a) tiered interventions that target secondary students' social-emotional competency needs and (b) professional learning …

Indirect Tensile Strength Of Clayey Soils Treated With Cement Or Lime, Melissa Adams Cowley

Theses and Dissertations

The objectives of this research were to evaluate the sensitivity of indirect tensile strength (ITS) test results to stabilizer type, stabilizer concentration, and curing time for multiple clayey soils with varying plasticity indices (PIs), identify cases in which an ITS of 30 psi can be obtained, and create a general linear model that predicts ITS. The scope of work included laboratory testing of three clayey soils sampled from Monticello, Utah; Bloomington, Indiana; and San Antonio, Texas. Each soil was tested using two stabilizers, cement or lime, at three concentrations, and two replicate samples were prepared for each combination. ITS testing …

The Effect Of Speaking Context On Articulatory Kinematics In Habitual And Clear Speech, Lauren Elizabeth Clarke

Theses and Dissertations

This study examined the effect of speaking contexts on articulatory kinematics in habitual and clear speech conditions. Ten male and 10 female participants (ages 18"“29) completed speaking tasks in three contexts and two conditions. The contexts were word, phrase, and passage, with both mid-sentence and end of-sentence stimuli in the phrase and passage contexts. The two conditions were habitual and clear speech. Participants had sensors attached to the mid-tongue, jaw, lower lip, and upper lip, and an electromagnetic articulograph tracked their movements. Three tokens for each stimulus were analyzed for duration, displacement, and velocity. Articulatory coordination was measured through absolute …

Engagement In Secondary Mathematics Group Work: A Student Perspective, Rachel H. Jorgenson

Theses and Dissertations

In the realm of academic engagement research, students are valuable sources of information to learn how and why students often engage unproductively in mathematics group work. However, although secondary mathematics students are often expected to engage in meaningful mathematical discourse in a small group setting, little research has been conducted to better understand student engagement in this setting from the perspective of the students themselves. This thesis attempts to understand how one junior high student described his own engagement in mathematics small group work as well as what factors influenced this engagement. By conducting several cycles of observations and interviews …

Predictors Of Adherence To A Brief Sleep Extension Intervention In Emerging Adults, Isabella D. Wright

Theses and Dissertations

Objectives: It is uncertain what characteristics predict adherence to a brief sleep extension intervention, like that offered in primary care settings. This study examined how mental health concerns (i.e., depression, anxiety, stress), self-control, baseline sleep characteristics, and physical activity predicted adherence to a brief sleep extension intervention. Methods: 184 young adults (ages 18-25; m = 20.96) were asked to extend their nightly sleep to eight hours for one week. Sleep was tracked using actigraphy. Baseline sleep quality, baseline daytime sleepiness, depression, anxiety, stress, self-control, and physical activity were assessed. Results: Poorer baseline sleep quality predicted better adherence (p = 0.002). …

Does Media Facilitate Parent-Child Race Discussions? A Mixed-Method Study Of White Families, Children's Media, And Implicit Bias During Early Childhood, J. Andan Sheppard

Theses and Dissertations

The study aimed to investigate through mixed methods how White parents approach race discussions with their children, the factors influencing the discussions, and the implications for promoting constructive conversations. The qualitative analysis of the race discussions revealed that White parents preferred ambiguous or scientific language and diverted the discussion to topics other than race, such as gender or general body characteristics. Discussions often involved referencing personal examples of individuals from racial minority backgrounds, even if they were not personally acquainted. The quantitative analysis expanded and clarified these findings, with parent characteristics, such as education level and the frequency of color-evasive …

Characterization Of Phage-Host Interactions And Its Impact On Tail Fiber Evolution, Jessica Marie Lewis

Theses and Dissertations

Beyond the scope of what our unaided eyes can see is a diverse and rich microbial community that greatly impacts each of our lives. Bacteria are microscopic organisms that can grow, develop, divide, and even rapidly evolve to adapt to new changes in their environment. Because of this, bacteria have gained the ability to thrive in extreme biological niches ranging from the high temperature and pressure surrounding hydrothermal vents to the harsh acidic conditions of our stomachs. One adaptation attracting attention, however, is their capability to survive in the presence of common and even last-resort antibiotics. The WHO recently reported …

Predicting The Best Birds And Bees: Parental-Efficacy As A Mediator Between Parental Factors And Parent-Child Sex Communication, Meg O. Jankovich

Theses and Dissertations

Recent literature on parent-child sex communication (PCSC) has identified optimal sex communication as being not only frequent, but also open in quality, and proactive in timing. However, no studies have sought to understand what motivates parents to participate in this type of optimal parent-child sex communication, nor assessed these relationships longitudinally. Using Self-Determination Theory (SDT) to inform the analysis, this study investigated parent characteristics (parent's sexual self-concept and parenting dimensions) that may longitudinally predict optimal PCSC. This study further examined whether parental sex communication efficacy mediated these relationships. The sample included 607 mother-child dyads, and the father-figure when available (mother-father-child …

Loading Force In Recreational Runners And Its Effect On Achilles Tendon Biomechanical Properties, Joshua K. Sponbeck

Theses and Dissertations

Background: Achilles tendinopathy is a common debilitating running related injury. Achilles tendon loading force has been hypothesized as a contributor to Achilles tendinopathy. Loading force through the Achilles tendon during running is impacted by many factors such as footwear and foot strike pattern. Achilles tendon biomechanical (Achilles tendon cross-sectional area, thickness, echogenicity, stiffness, and T2*) responses to loading forces are variable and measurable in vivo. These responses impact the physiologic function of the tendon. Aims: 1) To evaluate baseline Achilles tendon biomechanical characteristics associated with a runner's habitual foot strike pattern. 2) To evaluate single running bout Achilles tendon biomechanical …

A Refuge And A Bridge: Native American Women's Tribal College Experiences, Morgan Duffy

Theses and Dissertations

This study, which focuses on the experiences of Native women attending a tribal college of the Northern Cheyenne Nation, responds to the call by Baird-Olson and Ward (2000) and Almeida (1997) for research that allows Native women, or the "hidden half," to tell their stories. Scant research has examined the value of tribal schools for Native American women and the experiences they have had in relation to their reservation and college lives. Providing narratives of women's experiences can illuminate how higher education in tribal college settings holds multiple values for Native women students as it acts as a refuge and …

Barriers And Facilitating Factors Of Sleep Assessment/Screening Among School Psychology Practitioners, Tyler Jjay Landon Storey

Theses and Dissertations

Sleep is an important and necessary part of life. While the biological need for sleep among school-aged individuals has not changed over the years, the quality and quantity of their sleep has. School-aged children reporting sleep deficits in the United States is on the rise and a significant body of research establishes associations between a lack of sleep and lower cognition as well as psychological and behavioral problems. These associations can heavily influence the academic progress and success of students. School psychologists are in a unique position to identify and provide support to individuals with sleep issues. Unfortunately, there is …

The Generalizability Of Proposed Theoretical Factor Models For Common Assessments For Specific Learning Disability In Reading Using A Community Sample, Sean B. Vanhille

Theses and Dissertations

Specific learning disabilities (SLD) are among the most diagnosed developmental disorders in children, with specific learning disability in reading (SLDR) as the most common. SLDR typically occurs due to deficits in phonological processing that can negatively impact decoding and/or reading comprehension skills. Reading deficits are often diagnosed using formal assessments such as the Comprehensive Test of Phonological Processing (CTOPP-2), the Gray Oral Reading Test (GORT-5), the Wechsler Intelligence Scale for Children (WISC-V), and the Woodcock Johnson Achievement Battery (WJ-IV-A). I did not find any research in which the theoretical factor models proposed in the technical manuals of these assessments were …

Investigating Bismuth As A Surrogate For Plutonium Electrorefining, Greg Chipman

Theses and Dissertations

Conducting research experiments on plutonium electrorefining is difficult due to the significant hazards and regulations associated with nuclear materials. Finding a surrogate for plutonium electrorefining studies would enable more fundamental research to be conducted. Potential surrogates were identified by determining the physical properties required to conduct electrorefining using a molten metal and molten salt in CaCl2 at 1123 K. More potential surrogates were identified by changing the matrix salt to be a LiCl-KCl-CaCl2 eutectic salt with electrorefining conducted at 673-773 K. Ce-CeCl3, In-InCl3, Zn-ZnCl2, Sn-SnCl2, and Bi-BiCl¬3 were investigated as potential plutonium electrorefining surrogates. Ce electrorefining in molten CaCl2 resulted …

Parents' Perceptions Of The Importance Of Teaching Mathematics: A Q-Study, Ashlynn M. Holley

Theses and Dissertations

Mathematics education has gone through multiple reform efforts over the last century and continues to be the target of improvement efforts. Past changes in curriculum and goals have sometimes led to heated debates between various stakeholders. Knowing the views of different stakeholders can help determine what common ground there is between these different groups and where areas of disagreement might arise. Parents are especially important to understand because they have been influential in past reform efforts. Despite the importance of parents' opinions, little research has been conducted concerning their perspectives on the importance of mathematics teaching. Using Q-methodology, I was …

Bidirectional Interference Between Speech And Mathematical, Language, Or Visuospatial Tasks In Younger And Older Adults, Chanelle Thomas

Theses and Dissertations

This study examined interference between three non-speech tasks and concurrent speech performance. The non-speech activity consisted of computer-based mathematical, language, and visuospatial tasks. The speech tasks included a procedural discourse monologue and a conversation. Participants included 60 adults in two age groups with 30 participants each. The younger adults were aged from 18 to 30 years and older adults from 55 to 82 years. Each participant completed the non-speech tasks in isolation, the speech tasks in isolation, and then each of the speech tasks concurrently with each of the three non-speech tasks. Speech acoustic measures included the mean and standard …

Physics-Guided Modeling Of Acoustic Environments Using Limited Spatio-Spectro-Temporal Data, Mylan Ray Cook

Theses and Dissertations

When creating data-based models it is important to include the underlying physical characteristics and constraints of the data. If physical characteristics are not properly included in the model, results may be infeasible or physically impossible. Acoustic environments are better characterized by ensuring that models include the fundamental spatial, spectral, and temporal characteristics of noise sources, or how they change based on location, frequency, and time. When model data are limited, in availability or in reliability, additional care must be taken to ensure models predict feasible results. This dissertation focuses on physics-guided modeling of acoustic environments using limited data, taking into …

A Step Into Structural Biology: Structural Determination Of Tnk1-Uba And Computational Design Of A Radical Sam Cyclase, Yi-Jie Tseng

Theses and Dissertations

Structural biology uncovers life's secrets by studying protein structures via techniques like X-ray crystallography. This knowledge drives advancements in protein engineering for the improvement of human lives. Yet, obtaining high-quality crystals in X-ray crystallography is challenging. To overcome this, we used Translocation ETS Leukemia protein Sterile Alpha Motif domain (TELSAM), a promising polymer-forming crystallization chaperone (PFCC), to enhance protein crystallization. Human thirty-eight-negative kinase-1 (TNK1), a key player in cancer progression, possess a ubiquitin association (UBA) domain that binds polyubiquitin and regulates TNK1 activity and stability. Although sequence analysis hints at an unconventional TNK1 UBA domain architecture, its molecular structure lacks …

Tailoring Digital Physical Activity Support Messages For Women In Midlife With Elevated Risk For Cardiovascular Disease: A Multicomponent Study, Kiri Baga

Theses and Dissertations

Women in midlife (ages 40-60) are at heightened risk for cardiovascular disease (CVD). Although physical activity (PA) engagement can reduce CVD risk, few women engage in sufficient PA to receive this benefit. They cite lack of social support as a key barrier, but existing interventions that employ social support show limited effectiveness. Digital PA support messages (i.e., brief, text-based messages delivered via smartphone or other device) may be a powerful method to meet social support needs in daily life. However, women’s preferences for and responses to distinct types of messages are not well understood. The aim of this study was …

"We Say No More:" The Role Of Bodily Trauma And Hybrid Spaces In The March For Our Lives Movement, Haeley Van Der Werf

Theses and Dissertations

The youth-led March For Our Lives is founded on the idea of young people forced into advocacy by unthinkable tragedy. The movement exists in a digital age where the lines between the physical and digital have become increasingly blurred. By using the work of scholars such as Manuel Castells and Henry Jenkins as a foundation to analyze this movement, we can gain a deeper understanding of why MFOL has succeeded and failed in the ways that it has. These noted digital activism academics will be used to explore how collective anger is expressed and created through the use of personal …

Shy But Not All The Same: Adolescent Profiles Of Shyness, Self-Regulation, And Benevolent Values, Christina M. Schwartz

Theses and Dissertations

While existing research has posited shyness as a risk-factor for floundering in adolescence and emerging adulthood, not all shy young people may struggle to the same extent. Characteristics such as self-regulation and benevolent values may influence the extent to which individuals with high levels of shyness will have socio-emotional challenges. Therefore, the purpose of the present study was to use a person-centered analysis to explore subgroups of adolescents with distinct levels of shyness, self-regulation, and benevolent values and to examine how these groups differ on outcomes in adolescence and in emerging adulthood. The sample for this paper consisted of 682 …

Helpful Or Harmful? The Effect Of Heritage Language Use On Perceived Maternal Closeness In United States Immigrant Families, Catalina Valdez

Theses and Dissertations

Language use patterns and parent-child relationship quality in immigrant families are both subject to change over time, and past research on the impact of immigrant children's heritage language use on various measures of well-being yields mixed results. Extending scholarship on heritage language use and immigrant family dynamics, I examine the association between different language patterns in U.S. immigrant families and mother's reports of parent-child closeness. I analyze data from 1,142 mothers when their children are in kindergarten, third grade, and fifth grade using the Early Childhood Longitudinal Study "“ Kindergarten Cohort of 2010-2011. I find little variation in perceived maternal …

From La Cosa Nostra To La Cultura Del Narcisismo: Psychoanalysis As Public Philosophy In The Sopranos, Thomas Patrick Brown

Theses and Dissertations

The aims for this thesis are to further investigate the show’s use of Tony’s psychotherapy as a narrative device in building the relationship between the work of art and the spectator. This device, I argue, possesses a Brechtian character: it not only breaks up the narrative action, but it also comments upon it. Most importantly, this device grounds spectators in a psychoanalytic outlook which enables the spectator to analyze the show’s central anti-hero, interpret the series of events around him, as well as the criticize the American climate he is a symbol for. I advance the thesis that The Sopranos, …

Ecofeminism Reimagined: Discourse & Embodiment In Young Adult Literature, Laurel Krapivkin

Theses and Dissertations

In this project, I will begin to develop a reimagined ecofeminist lens that is informed by a careful attention to the relationship between discourse and embodiment. The field of children’s literature would benefit from additional guidance on how to think complexly about ecofeminist tenants in young adult literature. While the novels I’ve chosen to analyze in this project certainly contain ecofeminist themes such as care, reciprocity, discussion of embodiment, depictions of nature and the relationships between humans and the environment, this project’s scope is not to create a definition for what constitutes an ecofeminist young adult text. Rather, I intend …

Computational Modeling Of Energy Landscapes And Trajectory Studies Of Fundamental Organometallic Reactions, Joshua I. Wheeler

Theses and Dissertations

Organometallic reactions are a fundamental class of chemical transformations. The mechanisms of organometallic reactions are routinely modeled by calculating intermediates and transition-state structures on a potential energy surface with density functional theory (DFT). The translation of these calculated structures to a reaction mechanism is typically done under the umbrella of statistical transition state theory. This dissertation reports the use of DFT calculations and quasiclassical direct dynamics trajectories to explore the possibility of nonstatistical dynamic effects in organometallic reactions. Chapter 1 provides a brief review of potential energy surfaces, transition state theory, dynamics trajectories, and a review of previous dynamics studies …

Awareness, Acceptance, And Equanimity: Relationships Between Trait Mindfulness, Stress, And Blood Pressure, Gabrielle Renee Chin

Theses and Dissertations

Hypertension (HTN) is associated with stress and unhealthy emotion regulation. Mindfulness-based interventions (MBIs) are said to help address stress-related diseases like cardiovascular disease by impacting stress and emotion regulation, yet studies of MBIs on cardiovascular health show inconsistent findings. Limited research has examined the basic links between trait mindfulness and cardiovascular health, leaving the active components of MBIs in this context unclear. Therefore, the current study examined the relationship between trait mindfulness and blood pressure (BP) in individuals with pre-hypertension (pre-HTN). Latent variables representing two conceptualizations of trait mindfulness -Monitor and Accept Theory (MAT) and Equanimity- were calculated using facets …

Regulation Of Stress Responses And Membrane Morphology By Dspa In Synechocystis Sp. Pcc 6803, Rebekah Kathryn White

Theses and Dissertations

In the world of microorganisms, cyanobacteria are a uniquely skilled powerhouse. They participate in global nutrient and carbon cycling. They have the ability to photosynthesize, which allows them to use sunlight and carbon dioxide to produce cellular energy. However, photosynthesis has a lot of points were environmental stresses can interfere, increasing the chances of oxidative stress and nutrient imbalances that can amplify deleterious effects. One regulator in particular will be the target of this study. DspA, also known as Hik33, is a histidine kinase that perceives and regulates multiple overlapping stress responses. In this project, abiotic stress effects will be …

Effects Of High School Engineering Course Availability And Participation On Engineering School Recruitment, Discipline Selection, Persistence Attitudes, And Self-Efficacy, Kristin S. Sandberg

Theses and Dissertations

The need for engineers in the workforce continues to grow. Filling this need requires recruiting future engineers to colleges and universities and retaining them through to degree completion. However, this is easier said than done. Universities are tasked with attempting to keep up with the demand for new engineers and companies are searching for new engineers to recruit. One avenue that has been established in the attempt to reach students for engineering is offering engineering or STEM classes in K-12 schools.

This dissertation looked at engineering classes offered at the high school level. These courses were analyzed for relationships with …