521 Works

Longitudinal Dynamics Between Parenting and Adolescent Deviance

Dan Liu
The current dissertation, based on three separate and yet closely related studies, tested the longitudinal dynamic relationships of maternal and paternal parenting factors with adolescent deviance, the direct links as well as underlying mechanisms. Study 1, based on longitudinal data collected from 570 early adolescents, part of the Brno Longitudinal Study of Youth (BLSY), used latent growth modeling and tested the development of three parenting measures, including parental solicitation, knowledge, and peer approval, and deviance...

An Electrochemical-Mechanical Investigation of Next Generation Lithium Metal Electrode and Solid Electrolyte

Andrew Meyer
Lithium-ion batteries (LIBs) are a staple in today’s society. From our cellphones, laptops, power tools, the ever-growing electric vehicle, and many more application, LIBs are more important to us than most realize. They provide the best combination of both high-energy and high-power density compared to other battery types such as Ni-Cd, Ni-MH, or the lead acid batteries used in our cars. Plus, LIBs are much safer. However, as new technologies grow and are developed, the...

Epidemiology of Upper Extremity Injuries in High School Sports

Autumn Ruthe Whitson
Participation in high school sports has seen a steady increase over the past four decades. With nearly eight million student-athletes participating, careful monitoring of injuries related to their participation is imperative. Injury surveillance efforts through national databases have produced a multitude of studies detailing injuries that occur in specific sports, specific body parts, or particular diagnoses. The lower extremity tends to be injured more frequently than the upper extremity resulting in various comprehensive analyses on...

An Automated Framework to Debug System-Level Concurrency Failures

Tarannum Shaila Zaman
The ever-increasing parallelism in computer systems has made software more prone to concurrency failures, causing problems during both pre- and post-development. Debugging concurrent programs is difficult because of the non-deterministic behavior and the specific sequences of interleaving in the execution flow. Debugging is a technique where programmers reproduce the bug, identify the root cause, and then take necessary steps to remove the bug from the system. The failure information may come from the bug reports...

Investigating Mechanisms of Injury and Intervention in a Novel In Vitro Model of Traumatic Brain Injury in Organotypic Hippocampal Slice Cultures

Julia Jagielo-Miller
Traumatic brain injuries (TBIs) impact millions of individuals each year and can pose long term consequences. Despite numerous attempts, no medication has been approved by the FDA to treat TBIs. The causes of these failed trials are multifaceted, but in part can be attributed to the complex nature of TBIs, as well as a lack of sufficient pre-clinical data. In vitro models of TBI are an important tool to help understand the cellular changes seen...

UNDERSTANDING THE IMPACT OF A FIRST-YEAR ENGINEERING PROGRAM ON UNDERGRADUATE STUDENT PERSISTENCE IN ENGINEERING

Brad Hubbard
The goal of this research study was to understand the impact first-year engineering programs have on undergraduate student persistence in engineering. First-year engineering programs feature a uniform first year curriculum for undergraduate engineering students and are designed to strengthen retention and increase graduation rates. This study sought to understand which factors present in first-year engineering programs influence student persistence in engineering. This study took place in the local context and examined the experience of engineering...

STAYING COMPLIANT OR STAYING IN OFFICE?

Jennifer Flinchum
Although there has been a great deal of scholarly work that explores the various determinants of coups, their effects have received considerably less attention, especially in the realm of international cooperation. Even less attention has been paid to the consequences of post-coup signals sent to the new regimes that staged these coups from the international community. This dissertation investigates how both the presence of leaders who seized power via coup and how the international community...

MANAGEMENT OF THE BROWN MARMORATED STINK BUG (HALYOMORPHA HALYS) (HEMIPTERA:PENTATOMIDAE) ON SMALL ACREAGE AND ORGANIC VEGETABLE SYSTEMS

Lauren Fann
Invasive species can be very disruptive to established integrated pest management programs. They can cause increases in broad-spectrum insecticide applications with variable effectiveness to mitigate damage. However, not all introduced species develop invasive characteristics; often, many introduced species go undetected. It is not until a species begins to cause economic damage to commodities essential to humans that it becomes classified as an invasive pest. Many challenges arise with the management of invasive pests due to...

THE BEST OF BOTH WORLDS

Kristy Zak
The purpose of this dissertation was to understand non-tenured and tenured teachers’, administrators’, and literacy support staff’s perceptions of the most imperative practices new teachers should know to teach reading in local elementary schools located in one regional state university’s service region. As well, this dissertation sought to determine the degree to which there was alignment between what is being taught in reading methods classes at one regional, state university with those practices. Questionnaire data...

THE ROLE OF NITRIC OXIDE IN INTER- AND INTRA- CELLULAR SIGNALING IN PLANT DEFENSE

Fan Xia
Plants have evolved a sophisticated immune system to defend themselves against pathogens. This immune response can be triggered in response to pathogen-associated molecular patterns (PAMP) or specialized effectors that are recognized by the plant resistance (R) proteins. The latter, commonly referred to as effector-triggered immunity (ETI), is well known to induce broad-spectrum resistance throughout the plants. This phenomenon known as systemic acquired resistance (SAR) is regulated by several chemical signals including salicylic acid (SA), and...

Extraction of Deep Inelastic Cross Sections Using a 10.4 GeV Electron Beam and a Polarized Helium-3 Target

Murchhana Roy
Experiment E12-06-121 at Jefferson Lab aims to do a precision measurement of the neutron spin structure function g2 using inclusive inelastic scattering of electrons over a large kinematic range of x and Q2. The third moment of the linear combination of the spin structure functions g1 and g2, d2, is one of the cleanest higher twist observables and contains information on quark-gluon correlations. It is connected to the “color polarizability or “color Lorentz force” of...

\"Wearing A Mask to Each Other\"

Shannon Branfield
Sensation fiction, as a genre, offers a field to explore the ways in which ideologies of masculinity are negotiated, contested, and enforced. The Victorian man has no respite from social surveillance; the public is always watching, always evaluating the performance. As these sensation fiction novels build on each other, a portrait of male claustrophobia in response to unceasing surveillance is revealed. The pressure this constant scrutiny puts on Victorian men is immense and sensation novels...

SOCIAL CONSTRUCTION OF HATE CRIMES IN THE US

Chenghui Zhang
Hate crime is a social construct that is conceptualized and defined through judgments about the meaning of bias and prejudice, as well as the causal link between motivation and criminal act. While the enforcement of federal statutes has extended the protected grounds of hate crime, significant underreporting issues impede the understanding of the actual scale, scope, and severity of hate crimes. The purpose of this dissertation is to investigate what and how incident factors and...

The Hybrid Teacher:

Mary Joy Nelson
The world of professional vocal training is becoming more and more eclectic and demanding in the United States. Academic music programs, and subsequently, vocal and vocal pedagogy programs are still predominantly classical in 2022, due to the American university system’s historical roots. In the 21st century, the commercial music industry is at an all-time high. However, in contemporary academia, vocal and vocal pedagogy degree programs remain primarily classical. In recent years, voice professionals have been...

HERSTORY

Rena Curvey
The purpose of this study was to explore women’s professional career experiences in sport psychology. Using qualitative methodology, seventeen female sport psychology practitioners participated in intensive semi-structured interviews from May 2021 to July 2021. This study resulted in two distinct manuscripts. First, guided by constructivist grounded theory methodology, embedded in a feminist standpoint framework, this study developed a grounded theory to help explain what sources attract and retain women in sport psychology. The developed theory...

Twenty-First Century Adaptations of Early Twentieth Century American Protest Literature

Kathryn J. McClain
Twenty-First Century Adaptations of Early Twentieth Century American Protest Literature examines the resurgence of didactic political literature in the United States during the 21st century, specifically adaptations of early 20th century American leftist protest works by authors such as Upton Sinclair, Jack London, and Richard Wright. While the most political aspects of these writers’ fiction are often either criticized as too politically overt – such as Sinclair’s The Jungle and Wright’s Native Son – or...

Contextualizing Artificial Intelligence

Christopher Grimsley
Artificial intelligence (AI) and other advanced technologies pose new questions for philosophers of science regarding epistemology, science and values, and the history of science. I will address these issues across three essays in this dissertation. The first essay concerns epistemic problems that emerge with existing accounts of scientific explanation when they are applied to deep neural networks (DNNs). Causal explanations in particular, which appear at first to be well suited to the task of explaining...

DESCRIBING AND PREDICTING PREPROCEDURAL ANXIETY IN PATIENTS SCHEDULED FOR ADVANCED GASTROINTESTINAL ENDOSCOPY DURING THE COVID-19 PANDEMIC

Dawn Profit
Advanced gastrointestinal endoscopy includes a group of specialized procedures and interventions that are being performed more frequently with little attention given to a patient’s preprocedural anxiety issues. Preprocedural anxiety is an anticipated problem with any surgery or invasive procedure and if sustained or experienced excessively, is associated with negative clinical factors and complications. In the beginning of 2020, the United States was met with a global pandemic caused by the coronavirus SARS-CoV-2, termed COVID-19. There...

Investigating the Physical Stability of Amorphous Pharmaceutical Formulations

Travis Jarrells
Amorphous formulations, including amorphous solid dispersions (ASDs), consisting of the active pharmaceutical ingredient (API) intimately mixed in a polymeric matrix, are an attractive formulation approach to improve drug delivery, dissolution, and solubility. However, an amorphous API in an ASD is in a higher energy state compared to the crystalline drug and results in most ASDs being inherently unstable. The polymer helps to stabilize the amorphous drug against crystallization such that the resulting homogenous mixture maintains...

THE INFLUENCE OF SOCIOPOLITICAL FACTORS ON ADOLESCENTS’ AND YOUTHS’ DEVELOPMENT

banafsheh aghayeeabianeh
Youths and adolescents are one of the major perpetrators of antisocial and deviant behaviors, which have deleterious consequences for both the perpetrators and society. Although there is extensive literature on youth and adolescent antisocial behavior, some correlates of youth antisociality are not known yet. As such, the present study is devoted to understanding the micro- and macro-level predictors of youth and adolescents’ antisociality in three contexts. Three empirical studies applying bioecological systems theory and analyzing...

MICROSCALE CONTACT AND FRICTION OF LOW MODULUS, LIGHTLY CROSSLINKED POLYDIMETHYLSILOXANE

Justin D. Glover
Friction and adhesion of soft materials are important for pressure sensitive adhesives, biomaterials, and soft robotics; however, the behavior on the microscale is not fully understood. When two objects come into contact, their interactions are usually mediated by small contact points due to surface roughness. At the microscale size, surface forces can deform soft materials to minimize energy by increasing the contact area, which is balanced by the elastic deformation of the polymer network. However,...

Batch Normalization Preconditioning for Neural Network Training

Susanna Lange
Batch normalization (BN) is a popular and ubiquitous method in deep learning that has been shown to decrease training time and improve generalization performance of neural networks. Despite its success, BN is not theoretically well understood. It is not suitable for use with very small mini-batch sizes or online learning. In this work, we propose a new method called Batch Normalization Preconditioning (BNP). Instead of applying normalization explicitly through a batch normalization layer as is...

LA REPRESENTACIÓN DE LA MASCULINIDAD EN EL PERSONAJE DEL POLICÍA

Daniel Fonfría-Perera
This research focuses on the type of hegemonic masculinity—a term that has traditionally belonged to a purely sociology domain—exhorted in the works of fiction published and released in Spain in the last two decades, searching for patterns that indicate that a normative type is encouraged. After tracing the different types of hegemonic masculinities that have characterized policemen since the late 30’s, the findings show how the modern notion of masculinity depicted in the works analyzed,...

DEVELOPMENT OF UNIVARIATE AND MULTIVARIATE FORECASTING MODELS FOR METHANE GAS EMISSIONS IN UNDERGROUND COAL MINES

Juan Diaz
Methane gas management continues to be a challenge concerning underground coal mine safety and productivity worldwide despite the extraordinary effort of the mining industry, governmental agencies, and academia to develop new technologies to monitor and control methane gas emissions more efficiently. The risk of hazardous methane gas concentrations in underground environments cannot be underestimated. Statistical data for the last 100 years indicate that around 80% of the accidents and 90% of the fatalities in the...

The Role of Protein Tyrosine Phosphatase Receptor Type F in intestinal homeostasis and colorectal cancer

Ashley Skaggs
Protein phosphorylation defines one of the most important regulatory mechanisms in cell signaling. PTPRF, protein tyrosine phosphatase receptor type F, belongs to the class I R2A subfamily of protein tyrosine phosphatases (PTP). The overall objective of this dissertation is to investigate the molecular mechanisms by which PTPRF regulates normal and cancer stem cells by controlling Wnt signaling. Dysregulation of Wnt signaling promotes the initiation and progression of colorectal cancer (CRC). We first determined the functional...

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  • University of Kentucky
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