Digital Commons Network^™

The Influence Of Transformational Middle Leaders On Work-Life Balance, Timothy D. Tanner

Theses and Dissertations--Education Sciences

Work-life balance is a key indicator of employee satisfaction, retention, and social health as well as organizational creativity and productivity. These dual benefits for employee and employer have generated interest in promoting work-life balance. Supervisors who operate from a transformational leadership framework have been linked to greater work-life balance among employees (Lamm, 2011; (Kutilek, Conklin, & Gunderson, 2002). The role of a supportive organizational culture is also central (Lewis, 2001).

In this study, Cooperative Extension Service agents (N = 1390) participated in a nationwide survey exploring the relationship between rated levels of transformational leadership among district directors, work-life balance, …

Functional Characterization Of Scaffold Protein Shoc2, Hyein Jang

Theses and Dissertations--Molecular and Cellular Biochemistry

Signaling scaffolds are critical for the correct spatial organization of enzymes within the ERK1/2 signaling pathway and proper transmission of intracellular information. However, mechanisms that control molecular dynamics within scaffolding complexes, as well as biological activities regulated by the specific assemblies, remain unclear.

The scaffold protein Shoc2 is critical for transmission of the ERK1/2 pathway signals. Shoc2 accelerates ERK1/2 signaling by integrating Ras and RAF-1 enzymes into a multi-protein complex. Germ-line mutations in shoc2 cause Noonan-like RASopathy, a disorder with a wide spectrum of developmental deficiencies. However, the physiological role of Shoc2, the nature of ERK1/2 signals transduced through this …

Transactions Between Thinness Expectancies And Depression In The Prediction Of Adolescent Weight Restricting Behaviors, Anna Marie L. Ortiz

Theses and Dissertations--Psychology

Both the transdiagnostic risk associated with depression and the eating disorder-specific risk associated with expectancies for reinforcement from thinness have been identified as risk factors for the development of weight restricting behaviors. The purpose of this study was to examine if these risk factors transact to further predict risk in youth. Depression, thinness expectancies, and weight restriction were assessed in 1,907 adolescents three times during the transitional period between middle school and high school. We compared three different possible transactional processes. Mediation tests demonstrated that depression in 8th grade predicted an increase in the number of weight restricting behaviors endorsed …

Social Responsibility, Librarianship, And The Ala: The 2015 Banned Books Week Poster Controversy, Emily J. M. Knox, Shannon M. Oltmann

Information Science Faculty Publications

This article explores the recent controversy over the American Library Association’s poster for Banned Books Week. In particular, this article connects the 2015 controversy to broader historical issues and tensions within American librarianship concerning social responsibilities. The researchers used a qualitative approach, conducting telephone interviews with 26 individuals. The interviews were recorded, transcribed, and analyzed deductively. The interviews revealed deep continuing tensions regarding American librarianship’s relationship to responsibilities. First, there is some dissatisfaction with the American Library Association and its Office for Intellectual Freedom. Second, there are competing conceptualizations of censorship and how to apply these differing meanings while remaining …

Competition, Status And Markets, Tejaswi Channagiri Ajit

Theses and Dissertations--Management

Extant research within competitive dynamics recognizes a positive relationship between high levels of competitive activity and firm performance, but the cognitive and psychological antecedents to competitive activity are far less clearly understood. I explore the role of a specific psychological antecedent - status, in impacting firms’ motivations to launch competitive moves against rivals. The key question, which extant literature does not seem fully equipped to answer, is when and under exactly what circumstances lower-status firms become motivated to launch action against higher-status ones and vice-versa. I use the stimulus-response model in social cognition to build theory which helps to answer …

The Legalization Of Sports Betting: A Federalism Framework And The Horse Racing Model, Douglas L. Mcswain

Kentucky Journal of Equine, Agriculture, & Natural Resources Law

No abstract provided.

The "Moo"Ve To Renewable Energy In Kentucky Begins With The Dairy Industry, Lucero Tennis

Kentucky Journal of Equine, Agriculture, & Natural Resources Law

No abstract provided.

Laser Pointers As A Threat To Aviation Safety: The Problem, Current Policies, And Proposed Solutions, Lukas Moffett

Kentucky Journal of Equine, Agriculture, & Natural Resources Law

No abstract provided.

Cold Exposure Effects On Cardiac Function And Synaptic Transmission At The Neuromuscular Junction In Invertebrates, Yuechen Zhu, Robin L. Cooper

Biology Faculty Publications

This review emphasizes how ectothermic animals respond physiologically to environmental temperature changes and cold stress. Generally ectothermic animals cannot generate heat to maintain their body temperature but they can still survive in various temperature zones. Various organisms have been analyzed anatomically and physiologically in the attempt to understand the underlying mechanisms of this temperature adaptation. A few of the changes in the metabolic and molecular function of proteins are discussed. The potential of how hormonal modulation of cardiac and nervous systems which influences responses during exposure cold exposure is also addressed. The focus of this review is on the effect …

Mom To Mom: Online Breastfeeding Advice, Jennifer D. Furkin

Theses and Dissertations--Communication

Exploring online support groups has gained more and more popularity in the last decade. Investigating the type of support messages users send each other has broadened the already extensive social support framework built in the last forty years. Mothers utilize online support for various topics, and a very common topic is breastfeeding. The perception of breastfeeding has changed throughout history with shifting beliefs and societal norms coupled with solid facts about its importance in the sustaining of infants. Online breastfeeding support has been previously explored through the categorization of types of support and themes within the interactions. This study extended …

Keeping It All Together: The Challenge Of Complexity, Reputation, And Supply Chain Crises, Kathleen L. Ambrose

Theses and Dissertations--Communication

Supply chains are developed to reduce business expenses and increase efficiency. However, a disruption in the supply chain, or a failure in one of the links, can expose organizations to crises that can severely impact short-term bottom line and long-term corporate reputation. This study examines the communication challenges inherent in supply chain crises using Samsung’s 2016 Galaxy Note 7 phone crisis as a case study. Results of this study show, in a supply chain crisis, stakeholders hold the organization responsible, regardless of where in the supply chain the break occurred. This study also examines the impact of complexity inherent to …

Budweiser In The 2017 Super Bowl: Dialectic Values Advocacy And The Rhetorical Stakeholder, Benjamin P. Windholz

Theses and Dissertations--Communication

Organizational-public relations discourse is changing given the advent of social media, and corporate statements are evaluated under different criteria in the digital age. Grounding Budweiser’s response to controversy over their 2017 Super Bowl advertisement in terms of consumer expectations for corporate social responsibility provides a new perspective for approaching Bostdorff and Vibbert’s (1994) conceptualization of values advocacy. This study recognizes the power of the rhetorical stakeholder, a discursively created public, and demands re-evaluation of the values common to society from a co-creational OPR perspective. Conceptualizing dialectic values advocacy outlines the changing values among contemporary, common stakeholders as well as the …

The Effect Of Admissions Viewbooks On Students’ Expectancies And Engagement, Hayley C. Hoffman

Theses and Dissertations--Communication

This study seeks to explore the impact that admissions viewbooks have on students’ expectancies of an institution as well as their academic and social engagement. Because few studies exist on admissions viewbooks, the literature review seeks to establish a base for the importance of viewbooks in students’ college choice and their development of expectancies of their chosen institution, as well as the subsequent impacts of violated expectations on engagement and retention. Using both qualitative and quantitative methods, this study examines (1) the promises made by institutions in their viewbooks as found via textual analysis and (2) the impact of violated …

Not Your Grandma’S Iud: Identifying Memorable Messages About Larcs, Carina Mazariegos Zelaya

Theses and Dissertations--Communication

Reducing the percentage of unwanted pregnancies has been one of the top objectives of the national health promotion "Healthy People" since the early 1980s. As the increase of unwanted pregnancies continues, research is necessary to uncover factors that influence the decisions women make about their contraceptive methods. The current study examines the topics and the sources of memorable messages regarding LARCs. To address the research questions, this study will analyze interviews conducted with young women about memorable messages regarding LARC methods. This study is a formative research of memorable messages in the context of contraceptive methods, specifically long-acting reversible contraceptives …

Exemplification Effects Throughout Disaster Stages In Social Media, Robert George Rice

Theses and Dissertations--Communication

Two studies were performed to research potential exemplification effects throughout various stages of natural disasters. Exemplification theory (Zillmann, 1999, 2002) promotes the use of exemplars, media examples, because of their potential ability to motivate risk related information seeking and their possible influence in optimizing protective action (Zillmann, 2006). Study one examined potential exemplification effect differences between various stages of natural disasters. Study two was designed to test for differences in trust, perceptions of severity, and intentions to volunteer depending on the organization type supplying related exemplars in social media. Results indicate that exemplification effects do not differ depending on disaster …

Aps’Aalooke Led Diabetes Prevention Program, Lucy Hollingsworth Williamson

Theses and Dissertations--Public Health (M.P.H. & Dr.P.H.)

The primary objective of this proposed program is to decrease the burden of diabetes mellitus type II among the Crow Indian tribe members in Montana by preventing the progression of prediabetes to diabetes. Type II diabetes mellitus (DMII), is a debilitating disease that contributes to increased morbidity and mortality, in addition to billions of healthcare costs annually. In the United States, minority populations carry a higher burden of DMII, however American Indians have the highest prevalence of all. In fact, American Indians are 2.4 times more likely to be diagnosed with diabetes than white people.

In Montana, the Crow Indian …

Using Emergency Powers To Provide Financial Assistance To Coal And Nuclear Plants, James M. Van Nostrand

Kentucky Journal of Equine, Agriculture, & Natural Resources Law

No abstract provided.

The Effects Of Housing On Dairy Cow Comfort, Immune Function, Stress, Productivity, And Milk Quality, Matthew Richard Borchers

Theses and Dissertations--Animal and Food Sciences

Mastitis and milk quality affect every dairy farmer across the globe. Sand bedded freestalls are the industry standard for cow comfort, welfare, and the control of environmental mastitis. Compost bedded packs may be a viable alternative to the sand bedded freestall.

Compost bedded packs are maintained at a consistent level of moisture, nutrients, and aeration to favor compost microorganisms. Greater bacteria counts in bedding have traditionally been associated with increased mastitis rates and mastitis pathogens can be found in the pack and on the teats of cattle housed in even well managed compost bedded pack barns. In spite of this, …

The Trade-Security Nexus And U.S. Policy Making In Critical Minerals, Yujia He

Patterson School of Diplomacy and International Commerce Faculty Publications

The United States increasingly relies on import to meet its demand for critical minerals. Using the case of rare earth elements (REEs), this paper analyzes the conditions and the strategies for the U.S. government to address import dependence. The paper finds that market factors, including the lack of comparable and sufficient substitutes and recycling, the high ratio of import relative to consumption, the high concentration of import supply by country, and regulations from the major supplier country, were insufficient to prompt intervention. Significant policy action only occurs when changing circumstances turn import dependence into perceived national security threats to the …

There’S Nowhere To Hide: Artificial Intelligence And Privacy In The Fourth Industrial Revolution, Sarah Denton, Eleonore Pauwels, Yujia He, Walter G. Johnson

Patterson School of Diplomacy and International Commerce Faculty Publications

At its core, artificial intelligence (AI) optimizes data. Machine-learning algorithms, one component of AI, are trained using massive datasets curated by humans to predict various aspects of our daily lives. Such predictive intelligence could be a positive force amplified by continued decentralization of the technology. Or, ubiquitous cognition and surveillance could be a disruptive force amplified by the unregulated proliferation of AI technologies. Yet, though we will certainly see more and more AI systems being integrated into every facet of our infrastructures, homes, and bodies, the proliferation of AI technology isn’t the problem. A privacy-security quagmire arises from the interconnectivity …

A Program Evaluation Of A Colon Cancer Screening Program Using At-Home Fecal Immunochemical Tests With Certified Patient Navigators, Candace E. H. Brunk

Theses and Dissertations--Public Health (M.P.H. & Dr.P.H.)

Colorectal cancer is the second leading cause of cancer-related death in this country, but 33% of these deaths could be prevented by screening. While colonoscopy is an effective screening tool, it is expensive, invasive, and prone to encounter considerable patient resistance. An alternative is to first screen those at-risk using at-home fecal immunochemical test (FIT) kits. This study determined factors associated with the return of these kits distributed by Kentucky CancerLink, a non-profit organization, and its affiliates to participants in a colon cancer prevention program.

Objectives: To identify factors associated with: completing a FIT kit, completing the kit with minimal …

Understanding The Silent Crisis: An Analysis Of Suicide Methods Among Kentucky Females, Charles Hamilton Rhea

Theses and Dissertations--Public Health (M.P.H. & Dr.P.H.)

Background: Suicide has been called the ‘silent crisis’. As rates have increased in recent years, it is now the 10th leading cause of death in the United States. Within the state of Kentucky, females die by suicide most often through the use of firearms, differing from the national trend where poisoning is most common. With a drastic increase in firearm suicides has been observed beginning in 2010. The aim of this study is to investigate why Kentucky females who have died by suicide are using firearms most often, as opposed to other methods, and compare those results to other states …

An Assessment Of Agreement In Detection Methods For Histophilus Somni In Bovine Lungs, Laura Michelle Arnold

Theses and Dissertations--Public Health (M.P.H. & Dr.P.H.)

Objectives: To examine the inter-laboratory agreement between multiplex realtime quantitative polymerase chain reaction (qPCR) assay results and aerobic culture results on bovine lung samples for detection of Histophilus somni (HS), and to assess associations of laboratory-derived factors on test agreement.

Methods: A survey of records from the University of Kentucky Veterinary Diagnostic Laboratory (UKVDL) was conducted to evaluate test results from grossly pneumonic bovine lung samples submitted during the period April 1, 2015 through August 31, 2018. Cohen’s kappa coefficient with 95% confidence interval (CI) was calculated to describe the extent of agreement. Animal, environmental and laboratory factors were examined …

Three Essays On The Application Of Machine Learning Methods In Economics, Abdelaziz Lawani

Theses and Dissertations--Agricultural Economics

Over the last decades, economics as a field has experienced a profound transformation from theoretical work toward an emphasis on empirical research (Hamermesh, 2013). One common constraint of empirical studies is the access to data, the quality of the data and the time span it covers. In general, applied studies rely on surveys, administrative or private sector data. These data are limited and rarely have universal or near universal population coverage. The growth of the internet has made available a vast amount of digital information. These big digital data are generated through social networks, sensors, and online platforms. These data …

Hydraulic Properties Of Baled Switchgrass And Miscanthus, Drew F. Schiavone, Michael D. Montross

Biosystems and Agricultural Engineering Faculty Publications

This study characterized the hydraulic properties within baled switchgrass ( Panicum virgatum L., variety Alamo) and miscanthus (Miscanthus x giganteus), thereby enabling a better understanding of moisture changes in baled biomass during on-farm storage and/or high-solids bioconversion. Fully saturated bales were drained by gravity, and the moisture content was determined over 60 h. The average initial moisture content ranged between 55.9% and 71.9% (w.b.) for switchgrass and between 60.5% and 73.9% (w.b.) for miscanthus bales depending on the dry bale density. As the bale drained by gravity, rapid leaching of water was observed within the first 0.1 h, …

Beyond Big Bird, Binders, And Bayonets: Humor And Visibility Among Connected Viewers Of The 2012 Us Presidential Debates, Kevin Driscoll, Alex Leavitt, Kristen L. Guth, François Bar, Aalok Mehta

Communication Faculty Publications

During the 2012 US presidential debates, more than five million connected viewers turned to social media to respond to the broadcast and talk politics with one another. Using a mixed-methods approach, this study examines the prevalence of humor and its relationship to visibility among connected viewers live-tweeting the debates. Based on a content analysis of tweets and accounts, we estimate that approximately one-fifth of the messages sent during the debates consisted of strictly humorous content. Using retweet frequency as a proxy for visibility, we found a positive relationship between the use of humor and the visibility of individual tweets. Not …

Designing Effective Tsunami Messages: Examining The Role Of Short Messages And Fear In Warning Response, Jeannette Sutton, Sarah C. Vos, Michele M. Wood, Monique Turner

Communication Faculty Publications

Although tsunamis have the potential to be extremely destructive, relatively little research on tsunami messaging has taken place. Discovering whether tsunami warning messages can be written in a way that leads to increased protective response is crucial, particularly given the increased use of mobile message services and the role they play in notifying the public of imminent threats such as tsunami and other hazards. The purpose of this study was to examine the possibility of designing warning messages for tsunamis that improve upon message style and content used by public alerting agencies to date and to gain insight that can …

"Participant" Perceptions Of Twitter Research Ethics, Casey Fiesler, Nicholas Proferes

Information Science Faculty Publications

Social computing systems such as Twitter present new research sites that have provided billions of data points to researchers. However, the availability of public social media data has also presented ethical challenges. As the research community works to create ethical norms, we should be considering users’ concerns as well. With this in mind, we report on an exploratory survey of Twitter users’ perceptions of the use of tweets in research. Within our survey sample, few users were previously aware that their public tweets could be used by researchers, and the majority felt that researchers should not be able to use …

A Novel Role For The Tumor-Suppressor Par-4 In Regulation Of Adipogenesis And Obesity, James Sledziona

Theses and Dissertations--Toxicology and Cancer Biology

Prostate Apoptosis Response-4 (Par-4) is a conserved and ubiquitous tumor-suppressor factor which can selectively induce apoptosis in tumor cells, while leaving normal cells unaffected. While Par-4 is well established as a tumor-suppressor, there have yet been no formal investigations as to whether it has a physiologic role in normal tissues.

Early observations of Par-4 knockout mouse lines yielded that the adult mice displayed significant weight gain and fat accumulation compared to their wild-type counterparts while on a conventional chow diet. Interestingly, obese mouse and human subjects were found to exhibit reduced expression of Par-4 in adipose tissue as well as …

Impact Of Physico-Chemical Properties Of Manufactured Nanomaterials On Plant Uptake And Trophic Transfer, Jieran Li

Theses and Dissertations--Toxicology and Cancer Biology

Large quantities of manufactured nanomaterials (MNM) are released into the environment by human activity each year. The entry of MNM into the terrestrial food webs, which has the potential for far-reaching impacts, begins with the uptake by plant species from the soil. These processes can be affected by MNM physico-chemical properties such as size, chemical composition, surface charge, etc., of which our knowledge is still incomplete. To bridge some of the gaps in our understanding of these processes and, specifically, to determine whether the physico-chemical properties of the MNM are predictive of their behavior in terrestrial food chains, we conducted …