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Articles 20521 - 20550 of 24316
Full-Text Articles in Entire DC Network
Relationship Between Social Support And Childhood Trauma On Resilience, Carol Krieger
Relationship Between Social Support And Childhood Trauma On Resilience, Carol Krieger
Walden Dissertations and Doctoral Studies
People who have not overcome childhood trauma and who have developed mental illnesses have difficulties dealing with life challenges. The purpose of this quantitative study used a correlational design to test any relationship between childhood trauma experience levels and resilience against life challenges in adulthood. The theoretical framework used for this study was Barnes’ social support theory. Data were collected from 104 participants over a 7-week period. Participants voluntarily answered the ACE questionnaire, 2-way support scale, and resilience scale. Key results indicate that people with mental illness who receive social support are positive impacted by that support. Receiving adequate levels …
Nonprofit Employees’ Responsibility To Provide Ethical Solutions To Prevent Workplace Bullying, Tionette M. Burton
Nonprofit Employees’ Responsibility To Provide Ethical Solutions To Prevent Workplace Bullying, Tionette M. Burton
Walden Dissertations and Doctoral Studies
AbstractWorkplace bullying is not illegal in the United States and is not classified with other forms of harassment, making it hard for organizations to adopt appropriate prevention and solution methods. Human resource employees have been identified as key contributors in preventing workplace bullying in organizations by using ethics-based strategies. The purpose of this case study was to explore the perceptions of human resource employees or employees with human resource duties regarding their responsibility to use duty-based ethical approaches to prevent workplace bullying and the practicality of its implementation. Duty-based ethics formed the theoretical approach for this study. Duty-based ethics, founded …
Time Spent Gaming And Marital Quality: The Effect Of Mmorpgs, Kimberly J. Walker
Time Spent Gaming And Marital Quality: The Effect Of Mmorpgs, Kimberly J. Walker
Walden Dissertations and Doctoral Studies
It is not known if, or to what degree, time spent playing massive multi online roleplaying games (MMORPGs) and adult attachment style affect marital quality. This study attempts to deliver a clearer image about the statistical links between MMORPGs and marital quality to better understand how MMORPGs can affect this relational area. Attachment theory is the theoretical model used in this study. The Hayes mediation analysis was used to answer the research questions. However, correlations were performed initially, to evaluate the suitability of the mediation analysis. The 240 respondents were selected using a convenience sampling approach, through the use of …
The Importance Of Staff Education About Implementing Ketogenic Diet In Prediabetic Patients, Clarissa L. Dorsey
The Importance Of Staff Education About Implementing Ketogenic Diet In Prediabetic Patients, Clarissa L. Dorsey
Walden Dissertations and Doctoral Studies
Diabetes, a chronic disease that can lead to many complications, is one of the leading causes of death. Obesity tends to increase the risk of diabetes. Nutritional therapy can not only control diabetes but also prevent it in some cases by decreasing weight. The ketogenic diet is a low-carbohydrate, high-fat diet that can prevent and control diabetes. The purpose of this study was to examine the recommendations of medical providers before and after the presentation of educational content on the ketogenic diet as nutritional therapy in prediabetic and diabetic patients. The practice-focused question addressed whether educating medical staff at a …
Parole Officers’ Perspective On The Needs Of Indigenous Offenders On Conditional Release, Ritesh Dalip Narayan
Parole Officers’ Perspective On The Needs Of Indigenous Offenders On Conditional Release, Ritesh Dalip Narayan
Walden Dissertations and Doctoral Studies
Indigenous offenders are overrepresented in all aspects of the Canadian criminal justice system, including corrections. Indigenous offenders are overrepresented in the prison population and are least likely to be granted an early release from prison. Indigenous offenders also disproportionately breach their conditional release orders and consequently spend more time incarcerated than non-Indigenous offenders. To understand the reasons behind the breaches, need-based theoretical lenses were used to analyze data. Sixteen parole officers were interviewed using a narrative design where participants shared their accounts on supervising Indigenous offenders while highlighting the needs which they felt were not being met by their Indigenous …
Volunteer Motivation Of Individuals In Rural Pacific Northwest, Lenea Kindred Pierzchanowski
Volunteer Motivation Of Individuals In Rural Pacific Northwest, Lenea Kindred Pierzchanowski
Walden Dissertations and Doctoral Studies
Volunteering is a selfless social action in which an individual chooses to participate through personal motivations. These actions of public service are a combination of need-based vacancies within organizations and unpaid compensation for filling those needs. The purpose of this research was to identify motivational attributes of individuals who volunteer in the identified rural area using one-on-one semi-structured interviews through the lens of the volunteer process model, in addition to the social identity, ecological, and social capital theories. The 15 participants for this study were over the age of 18, fluently spoke and read English, and had been a volunteer …
Relationship Between Media Coverage And Child Measles Vaccination Uptake, Tanika Ward
Relationship Between Media Coverage And Child Measles Vaccination Uptake, Tanika Ward
Walden Dissertations and Doctoral Studies
Childhood vaccines have been a source of heated debates between both opponents and proponents of vaccination. Childhood immunizations have proven to be effective and save lives, but antivaccine movements continue. The purpose of this retrospective cross-sectional quantitative study was to determine if there was a significant difference in child measles vaccine uptake based on provider facility type and census region, after adjusting for age and education of mother, for the years 2003–2012, pre-and-post 2007 media coverage deeming vaccines unsafe, and for the years 2013–2017, pre-and-post exposure to measles at Disneyland in 2014–2015 for children aged 19–35 months. The social ecological …
Prevalence Of Metabolic Risk Factors With Abnormal Obesity Measures Among The Tobagonian Adult Population, Joanne Cruickshank
Prevalence Of Metabolic Risk Factors With Abnormal Obesity Measures Among The Tobagonian Adult Population, Joanne Cruickshank
Walden Dissertations and Doctoral Studies
AbstractAn increase of metabolic risk factors is a public health threat to the well-being of the population of Tobago; this increase is poorly documented and understood. According to a review of evidence-based research, studies linked metabolic risk factors to the high prevalence of obesity. However, there was a gap specific to the Tobagonian population. This cross-sectional quantitative study assessed the evidence of metabolic risk factors to determine whether obesity measures correlated with metabolic risk factors among a sample from Tobago. Guided by the social-ecological theory, a self-reported survey was used to collect primary data from 270 participants during a workplace …
Help Reverse Global Warming: Drive An All-Electric Vehicle, Matt Krusenstjerna
Help Reverse Global Warming: Drive An All-Electric Vehicle, Matt Krusenstjerna
3690: A Journal of First-Year Student Research Writing
Overview: Global warming is one of the biggest challenges facing humanity today, so I wrote this paper primarily to determine what technologies could possibly impact the trend of this global threat enough to help reverse it. Since transportation contributes 29 percent of all greenhouse gas emissions in the United States I chose to focus on this economic sector, and more specifically, light use vehicle alternative fuel technologies. I further narrowed my scope to a discussion of ethanol, bio-diesel, hydrogen and electric fuel technologies because each represents one of the four alternative fuel categories. I evaluated the fuels on the following …
"Our Language Is The Forest": Landscapes Of The Mother Tongue In David Greig's Dunsinane, Kathryn Vomero Santos
"Our Language Is The Forest": Landscapes Of The Mother Tongue In David Greig's Dunsinane, Kathryn Vomero Santos
English Faculty Research
Tracing early visits to and excavations of Dunsinane Hill in Perthshire, Scotland, this essay argues that Shakespeare and the overpowering legacy of his "Scottish play" have left an imprint that is both ecological and ideological. Situated within broader conversations about cultural heritage, literary tourism, colonialism, and nationalism, my analysis of Shakespeare's indelible mark on Dunsinane Hill—as a place and an idea—provides a theoretical and literal groundwork for understanding how Scottish playwright David Greig activates the territorial lexicon of appropriation in his 2010 play Dunsinane. For Greig, the act of appropriation is not just about speaking back to Shakespeare but …
Novel Tools For Analysis Of Disordered Sleep And Motor Behavior In Preclinical Models Of Disease, Dillon M. Huffman
Novel Tools For Analysis Of Disordered Sleep And Motor Behavior In Preclinical Models Of Disease, Dillon M. Huffman
Theses and Dissertations--Biomedical Engineering
Subtle changes in sleep architecture can accompany and be symptomatic of various diseases or disorders. Understanding the complex interactions between sleep and health requires the ability to characterize sleep, probe its underlying mechanisms through perturbation, and quantify dependent physiological outcomes. Rodent models have come to be accepted as a valuable tool for preclinical investigations. However, experimental tools to accomplish such research typically rely on laborious methods that limit throughput and flexibility. Thus, research tools that minimize workload could be of great value to the research community and expedite investigation of the underlying mechanisms of sleep and further the development of …
Facilitating Analysis Of Toxoplasma Gondii Bradyzoite Metabolic Activity Via Image Processing And Multivariate Logistic Regression For High Throughput Classification Of Mitochondrial Morphologies, Brooke Place
Theses and Dissertations--Biomedical Engineering
Approximately a third of the population worldwide is chronically infected by the parasite Toxoplasma gondii. During chronic infection the parasite resides within tissue cysts as the poorly understood bradyzoite form. Observation of these bradyzoites via microscopic imaging within tissue cyst purified from infected mouse brains has shown metabolic activity with heterogeneous replication potential. With fluorescence microscopy imaging targeting the parasite’s actively respiring mitochondria, the parasite’s metabolic state can be further investigated as the morphology of mitochondria can be associated with specific physiologic states. However, manually classifying mitochondrial morphologies from these images can be tedious and prone to error as …
Assessing Freeway Crash Risk Using Crowdsourced Waze Incident Alerts, Eugene Boasiako Antwi
Assessing Freeway Crash Risk Using Crowdsourced Waze Incident Alerts, Eugene Boasiako Antwi
Theses and Dissertations--Civil Engineering
Traffic data obtained through crowdsourcing are becoming more accessible to traffic agencies due to advancements in smartphone technology. Traffic managers aim to use this data to complement their conventional sources of data and provide additional context in their analysis. In this study, Waze incident alerts are integrated with GPS-Probe speed data and Kentucky State Police (KSP) crashes to assess their impact on traffic flow and safety on freeways in Kentucky. The analysis showed that the presence of a vehicle on the shoulder is associated with about 36.7% of freeway crashes in Kentucky. The presence of a vehicle on the shoulder …
Investigation Of Nitrate Transfer In Karst Basins During Storm Events Using Submersible Underwater Nutrient Analyzers, John Pike
Theses and Dissertations--Civil Engineering
Knowledge of nitrate sources and pathways in karst basins remains incomplete and hinders management of nutrients that cause algae blooms and degrade municipal water supply. However, the increased availability of optical, ultraviolet nitrate sensors allows advancement of nitrate source and transfer for water managers. A concept model is hypothesized for nitrate transfer during hydrologic events and baseflow that considers the multiple porosity of karst. To test the concept model, 15-minute nitrate sensor data is collected with submersible underwater nutrient analyzers over a multi-year period from two locations in a karst basin in the inner bluegrass region of central Kentucky, USA. …
Localization Of Stationary Source Of Floor Vibration Using The Steered Response Power Method, Mohammad Royvaran
Localization Of Stationary Source Of Floor Vibration Using The Steered Response Power Method, Mohammad Royvaran
Theses and Dissertations--Civil Engineering
If the generated vibration in a building exceeds the acceptable limit design for a floor system, it is necessary to identify the source of vibration, a process known as localization. The objective of this study is the localization of stationary vibration sources, and the approach used is the steered response power (SRP) method. This method has already been shown to work well for wireless and acoustical applications to locate transmitter and sound sources, respectively. To the writer’s knowledge, this study is the first application of the SRP method to locate vibration sources using floor vibration measurements. However, because waves behave …
Debilitating Debts And Recapacitating Loans: How Fintech Made Markets For Unsecured Consumer Debt Using Alternative Data And Machine Learning, Michael Joshua Mccanless
Debilitating Debts And Recapacitating Loans: How Fintech Made Markets For Unsecured Consumer Debt Using Alternative Data And Machine Learning, Michael Joshua Mccanless
Theses and Dissertations--Geography
This thesis investigates the production and management of consumer debt on digital platforms. First, this study investigates how borrowers navigate spaces of debt and indebtedness created by fintech consumer lenders. Second, this thesis analyzes the process and impact of ‘alternative’ data and machine learning on fintech credit scoring models. As consumer lending ‘moves online’, this research analyzes the increasingly important role of digital spaces in the creation and management of debt. Tracking the interfaces and algorithms used by online consumer lenders, I weave together insight from digital and financial geographies to argue that digital technologies are enabling firms to marketize …
Reality And Ideology: The Use Of Gender Indexing Features In Reality Tv, Steven J. Gerencser
Reality And Ideology: The Use Of Gender Indexing Features In Reality Tv, Steven J. Gerencser
Theses and Dissertations--Linguistics
This article analyzes 4 episodes of the Japanese reality television program Terrace house: Aloha State for instances of gender indexing language to investigate the gap between actual speaker usage of these features and the linguistic ideology surrounding their usage as is perpetrated and perpetuated by media. Specifically, the gender indexing features which will be investigated to accomplish this are sentence final particles and first-person pronouns. Instances of these linguistic features are typically presented as features of gendered language, but as will be demonstrated, this does match their actual usage by speakers. I set out to answer three research questions, (1) …
"To Claim That Greatness For Themselves”: A History Of The Kentucky Horse Park, Emily Elizabeth Libecap
"To Claim That Greatness For Themselves”: A History Of The Kentucky Horse Park, Emily Elizabeth Libecap
Theses and Dissertations--History
The Kentucky Horse Park describes itself as the world’s only equine theme park. However, the park is not entirely without historical precedent; instead, world’s fairs, amusement parks, and theme parks all form a century-long pedigree chart through which the park can trace its ancestors. The Kentucky Horse Park’s links to these predecessors deepen our understanding of how the park is a reflection of the world around it and the motivations for how and why it was built. From its inception in the late 1960s, to when it opened in 1978, through the present day, the Kentucky Horse Park was and …
A Holy Tug Of War: Us Christians Against The Contras (1970-1990), Mark Maxwell Brown
A Holy Tug Of War: Us Christians Against The Contras (1970-1990), Mark Maxwell Brown
Theses and Dissertations--History
After the Sandinista revolution of 1979 ousted the longstanding Somoza dynasty of Nicaragua, the small Central American nation became an obsession of US foreign policy as the Reagan administration committed its efforts to deposing the leftist revolutionary government through the funding and training of the Contras, a counter-revolutionary guerrilla group. With the Cold War at a boiling point, continued control and influence over Central America became a pillar of US anticommunist agenda. Uniquely, many of the most ardent critics of the Reagan administration during this period of violent intervention were Christian missionaries. The Sandinistas were able to defeat the Somoza …
“They Did This Work”: Black Activism, Education, And The Rosenwald Rural School-Building Program In Kentucky, Le Datta Denise Grimes
“They Did This Work”: Black Activism, Education, And The Rosenwald Rural School-Building Program In Kentucky, Le Datta Denise Grimes
Theses and Dissertations--History
This study examines what Black Kentuckians did on their own behalf to educate themselves in the early twentieth century. I argue that Black Kentuckians’ agency and activism formed the bedrock of the Rosenwald movement in Kentucky. From 1917 to 1932, they built 158 Rosenwald Schools across the Bluegrass by welding together multiple strategies of resistance. Such agitation included voluntarily taxing themselves, waging legal battles, deploying military-style fundraising campaigns, and building institutions to support their schools. Seeking first-class citizenship, they also volunteered labor, donated land, and bought supplies to uplift themselves and their community through education. This work took place against …
Making Sense Of The Divinely Beautiful: Essays On Friendship, Love, And Attraction, Michelle Catlin
Making Sense Of The Divinely Beautiful: Essays On Friendship, Love, And Attraction, Michelle Catlin
Theses and Dissertations--Philosophy
Essay 1: As interpersonal communication has changed with the proliferation of technology-based forms of meeting and interacting with others, philosophers have begun considering ways in which these new types of communication have altered the landscape of our relationships. Although philosophers are split on whether online friendships can measure up to the Aristotelean standard of virtue friendship, none have questioned the importance of truth telling or accurate representation of oneself in the context of online sharing. The underlying assumption is that in a virtuous friendship, there is no role whatsoever for anything other than strict honestly. I disagree with this …
Stress, Burnout, And Well-Being In New Veterinary Graduates: Evaluating A Pilot Online Professional Development Program, Addie Rose Reinhard
Stress, Burnout, And Well-Being In New Veterinary Graduates: Evaluating A Pilot Online Professional Development Program, Addie Rose Reinhard
Theses and Dissertations--Community & Leadership Development
Suicide, stress, and burnout are occurring at high rates among veterinary professionals, and the transition from student to practicing veterinarian has been shown to be a particularly stressful time. The aim of this study was to evaluate an online professional development program for new veterinary graduates incorporating peer social support and training in professional skills important for success in the transition to practice. In this mixed methods study, the program was evaluated qualitatively with focus group data and quantitatively by assessing knowledge gained and levels of stress, burnout, social support, and well-being. Seven new veterinary graduates participated in the program, …
The “Case” For Assessments: An Evaluation Of Case End Of Course Assessments And Teacher Motivation, Andrew Lawrence Hauser
The “Case” For Assessments: An Evaluation Of Case End Of Course Assessments And Teacher Motivation, Andrew Lawrence Hauser
Theses and Dissertations--Community & Leadership Development
Curriculum for Agricultural Science Education (CASE) End of Course (EoC) assessments are summative assessments used to evaluate the CASE curriculum. This quantitative study explored the effects teacher motivation has on student performance on CASE EoC assessments. CASE teachers (n= 55) who participated in the study responded to the 28-item CASE End of Course Assessment Teacher Motivation Questionnaire on a 5-point Likert-type scale. The researcher conducted a Pearson r Correlation test to determine a relationship between questionnaire mean values and secondary student assessment data. Results from the study outline frequency of responses, perceived value and expectancy mean values, and correlations …
Acl Injury, A Time Course Study Of Transcriptional Changes, Thomas Carter
Acl Injury, A Time Course Study Of Transcriptional Changes, Thomas Carter
Theses and Dissertations--Medical Sciences
ACL tear is a common injury in the United States with a significant cost and time burden during recovery; reconstructive surgery often results in weakened quadricep muscle and higher risk of posttraumatic osteoarthritis. Prior research has highlighted cellular derangements within the quadriceps after ACL injury and reconstruction, but the early molecular effectors of cellular dysfunction remain to be identified. To further understand the molecular effectors of quadriceps dysfunction following ACL injury, this study aims to quantify the timing and magnitude of transcriptional differences between the quadriceps muscle of injured and contralateral non-injured limbs. These data will provide insight into the …
The Role Of Vascular Endothelial Growth Factor In Leukemia Trafficking, Shaw Powell
The Role Of Vascular Endothelial Growth Factor In Leukemia Trafficking, Shaw Powell
Theses and Dissertations--Medical Sciences
Vascular endothelial growth factor (VEGF) is a signaling protein involved in inducing and regulating endothelial cell proliferation and function (Duffy et al 2000). VEGF is also involved in cancer progression, as it induces vascular permeability and promotes angiogenesis to tumor laden areas, giving cancer cells critical oxygen and nutrients (Hoeppner et al.,2012. Studies indicate VEGF prevents lymphoblast apoptosis, which may contribute to leukemia formation and enable the proliferation of leukemic cells (Duffy et al 2000). Ongoing research seeks to further examine VEGF in leukemia, using a rag2:GFP-Myc expressing transgenic zebrafish as the animal model of T-cell Acute Lymphoblastic Leukemia (T-ALL). …
S. Gordonii-Produced Hydrogen Peroxide Modulates Mir-663a And Ccl20 Expression In Oral Epithelial Cells, Marshall Houston Maynard
S. Gordonii-Produced Hydrogen Peroxide Modulates Mir-663a And Ccl20 Expression In Oral Epithelial Cells, Marshall Houston Maynard
Theses and Dissertations--Medical Sciences
The mechanisms through which a persistent recognition of commensal bacteria by oral epithelial cells (OECs) mitigates an uncontrolled inflammatory response of the oral mucosa remain unknown. CCL20 secretion by OECs in response to pathogenic bacteria is regulated by S. gordonii (Sg)-induced miR-663a; nevertheless, the mechanisms involved in these Sg-modulated responses remain to be elucidated. Since Sg is a hydrogen peroxide (H2O2) producer, and H2O2 has been shown to stimulate miRNA expression, we hypothesized that H2O2 could be involved in Sg-induced miR663a and CCL20 responses. Expression of miR663a …
Application Of Genetic Techniques To Investigate Chlamydia Trachomatis Type Iii Secretion Effector Biology, Gabrielle Keb
Application Of Genetic Techniques To Investigate Chlamydia Trachomatis Type Iii Secretion Effector Biology, Gabrielle Keb
Theses and Dissertations--Microbiology, Immunology, and Molecular Genetics
Chlamydia trachomatis is the causative agent of the most reported bacterial sexually transmitted disease in the United States. The establishment of an intracellular niche within mucosal epithelium is sufficient to drive immunopathology and disease sequela. As obligate intracellular bacteria, Chlamydia spp. have evolved numerous mechanisms for establishing an intracellular growth environment. The type III secretion system (T3SS) delivers effector proteins to the host cytosol and is essential for C. trachomatis invasion and development. The effectors TmeA, TmeB, and TarP, are all secreted during C. trachomatis invasion. TarP and TmeA have been associated with manipulation of actin networks and are …
Carnosic Acid Differentially Modulates The Nrf2- Antioxidant Response In Male And Female Mice Following Experimental Traumatic Brain Injury, Jacob A. Dunkerson
Carnosic Acid Differentially Modulates The Nrf2- Antioxidant Response In Male And Female Mice Following Experimental Traumatic Brain Injury, Jacob A. Dunkerson
Theses and Dissertations--Neuroscience
Traumatic brain injury (TBI) is a leading cause of death and disability in the United States. Each year, an estimated 2.8 million Americans are diagnosed with a TBI due to falling, motor vehicle collisions, gun violence, and sports related concussions. Although inflicted by a single event, the post-traumatic effects of TBI often develop into a life-long disease. Survivors often experience cognitive decline, memory loss, emotional instability, changes in personality, and physical disabilities. A single TBI, and more-so repetitive TBI's, place an individual at a greater risk of developing chronic neurological disorders, such as dementia or Alzheimer’s disease, earlier in life. …
Examining Human Apoe Genotype And Sex As Modulators Of Respiratory Plasticity In The Presence And Absence Of Spinal Cord Injury, Lydia Ella Strattan
Examining Human Apoe Genotype And Sex As Modulators Of Respiratory Plasticity In The Presence And Absence Of Spinal Cord Injury, Lydia Ella Strattan
Theses and Dissertations--Neuroscience
There are over 17,000 new spinal cord injuries (SCIs) every year in the Unites States alone. Almost 60% of these injuries occur at the cervical level, potentially leading to loss of function in a variety of sensory and motor systems including upper and lower limbs, respiratory, and autonomics. In addition to the physical and emotional costs, individuals who experience these higher level injuries also face a massive financial burden, incurring over $1 million in expenses during the first year after injury in addition to substantial yearly costs for the rest of their lifetime. A myriad of therapeutic approaches targeting plasticity …
Characterizing The Physiology And Genetics Of Contact Dependent Growth Inhibiton Systems In Burkholderia Species, Alice Elizabeth Oates
Characterizing The Physiology And Genetics Of Contact Dependent Growth Inhibiton Systems In Burkholderia Species, Alice Elizabeth Oates
Theses and Dissertations--Microbiology, Immunology, and Molecular Genetics
Contact-dependent growth inhibition (CDI) systems mediate interbacterial competition. The genes encoding these systems are widespread among Gram-negative bacteria, including Burkholderia pathogens. CDI systems of Burkholderia species are composed of two-partner secretion pathway proteins and function to deliver the toxic C-terminus of a polymorphic surface-exposed exoprotein BcpA (Burkholderia CDI protein A) to the cytoplasm of neighboring recipient bacteria upon cell-cell contact. Specific outer and inner membrane proteins facilitate BcpA translocation both out of the donor bacterium and into the recipient cell cytoplasm. Most Burkholderia species-specific CDI translocation factors in recipient cells are unknown. BcpA intoxication functions as a mechanism by …