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Placing The Evolutionary History Of Desmognathus Salamanders In Context: A Phylogeographic Approach, Kara Jones

Theses and Dissertations--Biology

Patterns of genetic variation do not arise in a vacuum but are instead shaped by the interplay between evolutionary forces and ecological constraints. Here, I use a phylogeographic approach to examine the role that ecology played in lineage divergence in the Desmognathus quadramaculatus species complex (Family: Plethodontidae), which consists of three nominal species: D. quadramaculatus, D. marmoratus, and D. folkertsi. Previous phylogenetic studies have shown that individuals from these species do not form clades based on phenotype. My approach to reconciling phylogenetic discordance was two-fold, using (1) genome-wide markers to provide insight into the …

An Assessment Of Actual Evapotranspiration And Soil Moisture Functions Based On Local-Scale Data In Alabama, Lisa Lugo Kuzy

Dissertations

Large-scale models and remote technology are widely used for the estimation of the energy budget at a global scale. The interaction of energy fluxes and soil water at the vegetation root zone is the driving force that controls the evapotranspiration process. Although the importance of soil moisture, it can only be measured at a point scale, given the great heterogeneity of soil profile. Large-scale models struggle to capture the spatial heterogeneity of soils, and remote sensing can only observe the surface level soil moisture, omitting the root zone. Studies have shown evapotranspiration estimates (specifically from Remote Sensing) and can provide …

Exploring Moral Distress Among Nurse Leaders, Preston H. Miller

Dissertations

Moral distress (MD) occurs when an individual knows the ethically correct action to take in a situation but institutional constraints prevent the individual from acting. MD is a well-documented phenomenon among nurses and occurs at a high frequency in the critical care setting. When MD is not adequately addressed and actions are not taken to mitigate precipitating factors within an organization, moral injury, moral residue, and burnout may consequentially result in nurses leaving their role or the profession. Nurse leaders are positioned to exemplify ethical leadership and provide support for their staff when MD is experienced; however, nurse leaders experience …

Measurements Of Terrestrial Gamma-Ray Flashes, Gamma-Ray Glows, And A Direct Lightning Strike From Eight Flights Of The High Energy Lightning Emission Network (Helen), Christopher Helmerich

Dissertations

The High Energy Lightning Emission Network (HELEN) campaign involved 8 balloon flights into thunderstorm environments to measure high-energy radiation phenomena like gamma-ray glows and terrestrial gamma-ray flashes (TGFs). Multiple flights detected elevated radiation levels providing evidence for theories on gamma-ray glow generation. Flight 7 measured multiple TGFs coincident spatially and temporally with lightning strikes, supporting theories of TGF origins in lightning leaders and/or return strokes. The same flight also sustained a direct lightning strike, enabling first-of-its-kind energetic radiation measurements during the propagation of the lightning strike. Radiation production was evident in both stepped leaders and return strokes, with higher flux …

Nonparametric Identification Of Differentiated Products Demand Using Micro Data, Steven T. Berry, Philip A. Haile

Cowles Foundation Discussion Papers

We examine identification of differentiated products demand when one has “micro data” linking the characteristics and choices of individual consumers. Our model nests standard specifications featuring rich observed and unobserved consumer heterogeneity as well as product/market-level unobservables that introduce the problem of econometric endogeneity. Previous work establishes identification of such models using marketlevel data and instruments for all prices and quantities. Micro data provides a panel structure that facilitates richer demand specifications and reduces requirements on both the number and types of instrumental variables. We address identification of demand in the standard case in which non-price product characteristics are assumed …

In A Free, Rural Primary Care Practice : Implementation And Evaluation Of A Depression Screening Tool For Adult Individuals In Rural Primary Care, Amy Snow

Doctor of Nursing Practice (DNP)

There is a high prevalence of depression in the rural primary care population. This project aimed to identify patients suffering from depression in a rural primary care clinic. The project’s goal was to improve the diagnosis and treatment of major depression in adults through the implementation of the Patient Health Questionnaire-2 (PHQ-2) and the Patient Health Questionnaire-9 (PHQ-9). Follow-up visits were conducted over a 12-week period to assess patients’ response to pharmacotherapy and/or psychotherapy established by the current American Psychological Association guidelines. Identification of depression through the use of screening protocols assists in appropriate diagnosis and treatment plans. The project …

Is Knowledge Enough? Exploring Mental Health Literacy And Other Factors Of Help-Seeking In Rural And Urban Emerging-Adult Males, Chris Haydock

Theses

Background and Aim: There is strong evidence to support that mental health concerns become most prevalent among emerging adult males (18-25 years) due to their reluctance to seek-help. Mental Health Literacy (MHL) comprises knowledge, beliefs, and attitudes towards mental health with some evidence suggesting it also enhances help-seeking. However, research has reported that rural residents are less likely to seek help compared to their urban counterparts, despite similarities in MHL. Other factors that impact help-seeking include self-stigma towards mental illness, masculine norms, wellbeing, and access to care. Despite this, there is limited research investigating the influence of MHL in unison …

How Transnationally Effective Are The Uk Migration Policies In Relation To Missing Migrants? A Transnational Law Perspective, Luke N. Eda

Vanderbilt Journal of Transnational Law

All over the world, several thousands of migrants go missing when they attempt to flee from war, violence, persecution, repressive regimes, systematic human rights violations, etc. Thousands die each year in deadly shipwrecks in a desperate attempt to enter Europe and the United Kingdom. In these instances of deaths and loss, international human rights law imposes duties on states to account for people missing in transnational migration and to respect the rights of members of their families. Despite such provisions, states sometimes deny that they have obligations to deal with cases of migrants reported missing in transnational migration until migrants …

Co-Op To Cafeteria: Building A Food Value Chain For Farm To School, Blake D. Lineweaver

Graduate Student Portfolios, Professional Papers, and Capstone Projects

The central theme of this M.S. Environmental Studies portfolio considers farm-to-school as a medium for food system transformation within an innovative regional partnership of producer-owned food hubs and a state education agency. The portfolio consists of three main elements.

The first element is a literature review that examines the holistic farm-to-school model, with a particular focus on local food procurement.

The second element is a strategic communications plan, which was developed as part of an internship project with the Northwest Food Hub Network and the Mission Mountain Food Enterprise Center. The aim of this plan is to promote value-added products …

Engl 157: Great Works Of Global Literature, Scott R. Kapuscinski

Open Educational Resources

Syllabus for a general education course bringing together celebrated texts by Joseph Conrad, Chinua Achebe, Bessie Head, and Marjane Satrapi. Survey of perspectives beginning during the "scramble for Africa" via Conrad, through postcolonial writers Achebe and Head, and finally making a connection via dehumanization to Orientalism and undoing monocultural presumptions in the near East through Satrapi's Persepolis.

Examining The Role Of Place Attachment In Climate Justice Engagement And Jewish Relationships To The Environment, Madeline Medina

Environmental Studies Honors Projects

It is critical that environmental justice and marginalized identities are the focus of climate-related discussions and research. Solutions must support the long-term wellbeing of people, especially and importantly those who are most vulnerable to the consequences of climate change. Psychological research suggests that place attachment–the meaningful bonds that occur between people and their environment (Scannell & Gifford, 2010)–is a key factor in motivating environmental behavior, but little research has examined its connection to environmental justice oriented behavior. This two-part exploration first evaluated the role of place attachment on engagement with both a typical climate change centered message and a climate …

Putting The “U” In Shore U: Expanding Postsecondary Education On Virginia’S Eastern Shore, Katelyn D. Jones, Karen Belanger, Katharine Wise, Takeya Mclaurin

Doctor of Education Capstones

The University of the Eastern Shore of Virginia Foundation (Shore U) submitted a Request for Assistance to examine opportunities to expand postsecondary education on Virginia’s Eastern Shore. In response to this request, a doctoral research team conducted a mixed-methods study that explored potential pathways for a four-year degree option on the Eastern Shore. Eastern Shore Community College (ESCC) students, ESCC employees, and Eastern Shore community members were surveyed during the quantitative phase of the study. Secondary data was used to understand the postsecondary positionality of Eastern Shore high school students. The President of ESCC, Eastern Shore community members, and Virginia …

Driven By Personality: Exploring The Relationship Between Custom Cars And Self-Expression, Tharwa Dalansi

Theses and Dissertations

Custom Car Culture (CCC) is a form of creativity that emerges from personal identities and passions. It involves the restoration, modification and personal adornment of commercially manufactured cars. This process creates a journey, where the enthusiast goes through multiple phases of self-reflection. But due to a lack of local resources, Qatar-based CCC enthusiasts often have to send their cars abroad to Dubai or Japan in order to customize them, relinquishing creative control in the process.

In response to these challenges, based on observations and interviews conducted among actual CCC enthusiasts, I develop a platform for engagement between these enthusiasts and …

Advancing Social Equity And Promoting Black Self-Determination: A Community Garden Opportunity Plan For Richmond, Va, Alessandro U. Ragazzi

Master of Urban and Regional Planning Capstone Projects

Urban agriculture provides a variety of economic, environmental, and social benefits. Recognizing these benefits, the City of Richmond administers a community garden program known as “Richmond Grows Gardens.” Through this program, underutilized city properties are permitted for use as community gardens. However, an emerging concern is the potential for community gardens to perpetuate underlying structures of social and racial inequality through displacement and social exclusion. Considering these concerns, this plan investigates the implementation of community gardens in Richmond and establishes a methodology for ranking existing and available community garden sites based on the social and racial demographics of their surrounding …

Developing Agrihoods: The Context For Petersburg, Brandon L. Archer

Master of Urban and Regional Planning Capstone Projects

Petersburg has an extensive history of navigating through challenging times. From its inception, African Americans have played an important role in the development of the city, and today that spirit is still present. As evidenced by an extensive network of community support and stakeholders, the Petersburg Youth Farm has matured into a resource for not just the residents of the neighborhood but of the city as a whole. By incorporating some innovative planning techniques and building a housing development truly dedicated to community needs, we can improve lived experiences in the city.

By adopting the recommendations set forth in this …

Disparate Flood Outcomes And Social Vulnerability As A Fair Housing Issue In Norfolk, Virginia, Molly Frey

Master of Urban and Regional Planning Capstone Projects

The purpose of this plan is to explore how social vulnerability and the disparate impacts of floods can be viewed as a fair housing infringement. This plan includes examining the current and past conditions of how flood risk management, housing development, and the natural environment have been operating in favor of or against socially vulnerable populations in Norfolk. These topics have been explored through stakeholder interviews, geographic analysis, and descriptive analysis. This project suggests an understanding of fair housing in which the equitable sharing of environmental risk and the benefits of its management, are integral to equal access in housing, …

Trolley Line Trail Creative Placemaking Plan, Courtland Caldwell

Master of Urban and Regional Planning Capstone Projects

The Trolley Line Trail is a planned multi-use trail along the historic Richmond-to-Ashland Trolley corridor. The purpose of this plan is to identify potential creative placemaking locations and installations to highlight the trolley's unique past and present. This plan sets forth a vision for creative placemaking by gathering community feedback, analyzing properties along the Trolley Line Trail, and making recommendations for placemaking and public art. Ultimately, the recommendations laid out in this plan aim to preserve and acknowledge the community's unique identity while creating a safe, accessible experience for all users.

Windmill Ridge Park: A Sustainable Park Design, Sean Benson

Master of Urban and Regional Planning Capstone Projects

This plan proposes designing and developing a new park in Chesterfield County that will promote sustainability in its design and implementation, as well as provide a stepping stone to promote these practices throughout Chesterfield County parks. This plan achieves this by providing research, concepts, and recommendations centered on the three Es of sustainability: environmental quality, social equity, and economic efficiency.

From Nihilation To Redemption: Profanations And Overlaps In Claudio Magris’ Danube, Nicola Mazzotti

Comparative Literature M.A. Essays

This essay analyzes the novel Danube by the Italian writer and scholar Claudio Magris and focuses on its depiction of the political potential inscribed in the Danubian territory. With his journey along the river, the narrator of the novel attempts to unveil the materiality of this territory and the agency of the river, thus deconstructing cultural and political claims aimed at their appropriation. First, the essay investigates the use and representation of 'sources' made by the narrator, both as origin of the river and cultural artifacts. It is shown how the narrator performatively traces the origin of the river back …

2023 Nebraska Water Leaders Academy, Mark E. Burbach, Robert Matthew Joeckel

Conservation and Survey Division: Faculty and Staff Publications

Eighteen participants completed the 2023 Water Leaders Academy bringing the total number of graduates to 186 since the inception of the program in 2011. Assessments of participants’ transformational leadership skills, champion of innovation skills, water knowledge, engagement with water issues, civic capacity, entrepreneurial leadership behaviors, boundary spanning skills, and curiosity increased significantly over the course of the year, according to both the participants and their raters. Feedback from the participants was highly positive and constructive. Academy planners are addressing participant concerns. Results of the program assessment indicate that the curriculum is meeting the Academy’s objectives. Therefore, only minor changes are …

Sexuality Training In Counseling Psychology: A Mixed-Methods Study Of Student Perspectives, Dena Abbott, Jacob E. Vargas, Hali J. Santiago

Department of Educational Psychology: Faculty Publications

Counseling psychologists are a cogent fit to lead the movement toward a sex-positive professional psychology (Burnes et al., 2017a). Though centralizing training in human sexuality (HS; Mollen & Abbott, 2021) and sexual and reproductive health (Grzanka & Frantell, 2017) is congruent with counseling psychologists’ values, training programs rarely require or integrate comprehensive sexuality training for their students (Mollen et al., 2020). We employed a critical mixed-methods design in the interest of centering the missing voices of doctoral-level graduate students in counseling psychology in the discussion of the importance of human sexuality competence for counseling psychologists. Using focus groups to ascertain …

Tapping Into Natural History Collections To Assess Latitudinal Gradients Of Parasite Diversity, Sebastian Botero-Cañola, Scott Lyell Gardner

Scott L. Gardner Publications

Parasites are key components of the biosphere not only due to their huge diversity, but also because they exert important influences on ecological processes. Nevertheless, we lack an understanding of the biogeographical patterns of parasite diversity. Here, we tap into the potential of biodiversity collections for understanding parasite biogeography. We assess species richness of supracommunities of helminth parasites infecting mammal assemblages in the Nearctic, and describe its relation to latitude, climate, host diversity, and land area. We compiled data from parasitology collections and assessed parasite diversity in Nearctic ecoregions for the entire parasite supracommunity of mammals in each ecoregion, as …

Pathways Of Density Dependence And Natural Selection In Modern Humans, John Delong

School of Biological Sciences: Faculty Publications

Living things depend on a flow of energy and materials to grow, reproduce, and maintain their bodies. Populations are aggregations of individuals, so they too depend on resources. Humans use many fuels derived from the Earth’s photosynthetic energy, which in turn support a population that often occurs at unusually high densities for a mammal. Like most populations, growing human populations may experience negative feedbacks from population size unless the socio-economic system in which the population lives grows fast enough to maintain resource flows to individuals and to limit the downsides of high density. I map out a simple view of …

Religion And Economic Growth: Evidence From U.S. Counties, Luke Petach, Aiden Powell

Faculty Scholarship

This paper examines the impact of religious participation on regional economic growth. Using data on GDP growth for United States counties from the Bureau of Economic Analysis (BEA) Regional Economic Accounts and data on county-level religious participation from the Association of Religion Data Archives (ARDA), this paper estimates the impact of religiosity on growth using two-way fixed-effects Barro regressions for the period 2000 to 2020. In our preferred specification, a ten percentage-point increase in the county religious adherent share reduces the 10-year compound annual growth rate of per-capita GDP by 0.14 percentage points (a 19% reduction relative to the sample …

Yield Spreads And Business Cycle Downturn Predictability Across Texas, 1991-2018, Aaron Dodson Nazarian, Steven L. Fullerton, Thomas M. Fullerton Jr.

Border Region Modeling Project

This study analyzes Texas state and metropolitan economic downturn predictability. Publicly available Federal Reserve Bank of Dallas dynamic factor business cycle indices are used in the analysis. Sample data cover Texas and nine of its largest metropolitan economies from January 1991 through May 2018. Dynamic autoregressive profit downturn models are estimated using the United States yield spread plus other regional and macroeconomic variables. Predictive accuracy is analyzed using in-sample model simulations. Results indicate that narrowing yield spreads, real peso appreciation, and oil price declines are generally found to increase recession likelihoods. Varying lag structures and equation specifications indicate that the …

Educating Nurses To Implement Serious Illness Conversations, Colleen Patricia Desai

Walden Dissertations and Doctoral Studies

AbstractAs part of investigating staff nurses’ reluctance to have serious illness conversations (SIC) at a local hospital, an educational deficit was noted. Nurses articulated they felt uneducated about how to have a SIC with a patient in need and questioned if the practice of conducting SICs was part of the nurses’ scope of practice in the New England State where they were employed. The purpose of this project was to create an educational tool and have it validated by a multidisciplinary group of experts. Once validated, the goal will be to educate nurses, raise awareness on the topic of SICs, …

A Context-Sensitive Approach To The Implementation Of Performance Measurement Systems, Wisdom Eyoh

Walden Dissertations and Doctoral Studies

AbstractPerformance measurement systems (PMS) exist to help public managers assess and improve decision-making related to programs, policies, processes, and personnel. However, challenges in implementing PMS have resulted in underutilization in the public sector. While critical success factors for successful implementation are known, little research exists on how public organizations can successfully implement PMS in individual organizations. This qualitative case study aimed to explore participants' experiences dealing with PMS, using contingency and goal-setting theories to analyze the influence of organizational contexts on PMS design, adoption, and implementation. Data were collected from five staff and top-level management at a large state agency …

Social Media Marketing Strategies To Increase Customer Base, Kathryn Hauer

Walden Dissertations and Doctoral Studies

Accounting firm managers who fail to use social media marketing strategies effectively may lose market share for their firms and struggle as viable competitors. Business leaders are concerned with how managers at small businesses can use social media marketing strategies to increase sales. Grounded in relationship marketing theory, the purpose of this qualitative single case study was to explore social media marketing strategies accounting firm managers use to increase sales. The participants were three accounting managers at a small accounting firm in southeastern Massachusetts who used social media to communicate and connect with potential and ongoing clients. Data were collected …

African Public Leadership On Technology Readiness And Diffusing The Circular Economy In Sub-Saharan Africa, Evans Jakpa-Johns

Walden Dissertations and Doctoral Studies

Sub-Saharan Africa is not yet ready to embrace the digital and the fourth industrial revolution, and there remains a literature gap about technology readiness and effective technology diffusion to support a circular economy transition in West and East African countries. The purpose of this qualitative, multiple case study was to describe African public leadership experts' views on how sub-Saharan African leaders can enable technology readiness and the technology diffusion needed for a successful transition to a circular economy. A multiple case study design was used to collect data from a purposeful sample of 14 African public leadership experts. Semistructured interviews, …

Marketing Efforts To Reengage Consumers In Cancer Screenings During The Covid-19 Pandemic, Angela M. Kasel

Walden Dissertations and Doctoral Studies

In 2020, U.S. hospitals became overwhelmed by patients with the viral illness COVID-19. Health systems were advised by the U.S. Surgeon General and Centers for Disease Control and Prevention to suspend elective procedures, including mammograms, colonoscopies, and lung computed tomography scans. The purpose of this quantitative study was to investigate whether there was a significant difference in completed appointments, cancer screenings, and cancer diagnoses in consumers receiving targeted direct mail and email communications during the COVID-19 pandemic, based on age, gender, and geographic location. The elaboration likelihood model of persuasion, which emphasized the use of marketing to change consumer behaviors …