American Studies Commons^™

The Role Of Microvascular Complications In The Relationship Between Glycemic Control And Depressive Symptomatology In Patients With Type 1 Diabetes: A Mediational Study, Laura Lynn Mayhew

USF Tampa Graduate Theses and Dissertations

People with diabetes are at double the risk of developing depression. Depression is associated with increased morbidity and mortality in people with diabetes. Levels of A1c have been linked to microvascular complications (e.g., retinopathy, nephropathy, and neuropathy) as well as depression. The interrelationship between A1c, microvascular complications, and depression has not previously been investigated in a comprehensive model, and a better understanding of the nature of these associations is needed. Preliminary analyses test the assumption that A1c mediates the relationship between group assignment in the Diabetes Control and Complications Trial (DCCT) and microvascular complications. The primary purpose of the study …

A Swmm-5 Model Of A Denitrifying Bioretention System To Estimate Nitrogen Removal From Stormwater Runoff, Michelle D. Masi

USF Tampa Graduate Theses and Dissertations

This research estimates nitrogen removal from stormwater runoff using a denitrifying bioretention system using the USEPA Storm Water Management Model Version 5 (SWMM-5). SWMM-5 has been used to help planners make better decisions since its development in 1971. A conventional bioretention system is a type of Low Impact Development (LID) technology, which designed without a media layer specifically for achieving nitrogen removal. More recently studies have showed that high TN removal efficiencies are possible when incorporating a denitrification media layer. These systems are known as denitrifying bioretention systems, or alternative bioretention systems. LID projects are currently being designed and developed …

Understanding The Psychosocial Aspects Of Waterpipe Smoking Among College Students, Mary Pautler Martinasek

USF Tampa Graduate Theses and Dissertations

Waterpipe tobacco smoking has migrated from being a custom of some cultures to becoming a staple around college campuses. The social nature and flavored tobacco encourage initiation in this tobacco naïve age group.

The study was a sequential mixed method design, employing primary data collection and analysis of a random sample of university students who live on campus at a single university. The study involved observations (N=6), intercept interviews with smokers and nonsmokers (N=63), three focus groups (N=31), and an online survey (N=288).

Findings were centered on the constructs of the Theory of Reasoned Action by Ajzen and Fishbein (1975), …

An Empirical Investigation Of Decision Aids To Improve Auditor Effectiveness In Analytical Review, Robert N. Marley

USF Tampa Graduate Theses and Dissertations

There is considerable evidence in the audit literature that even though auditors usually identify the relevant information needed to propose and select the correct cause of an unexpected fluctuation, they frequently do not propose the correct cause, and even when they do propose the correct cause, they often fail to select it. I suggest that working memory limitations might be a factor contributing to this analytical review paradox. Consequently, this study investigates whether two new decision aids, designed from Cognitive Load Theory, reduce auditors' cognitive load during analytical review, freeing cognitive resources for problem solving, and ultimately leading to improved …

The Influence Of Meteorological Parameters On Rainfall And Severe Weather In Pinellas County, Fl, Cristina A. Mazza

USF Tampa Graduate Theses and Dissertations

Pinellas County is located on a peninsula in Florida that experiences daily patterns of sea breeze associated rainfall mainly during the summer months of June through August. Previously, rainfall patterns, amounts and timing and severe weather in Pinellas County have not been examined considering dominant wind flow patterns, sea breeze circulations and other atmospheric variables. To improve forecasting of local mesoscale phenomena, this project examined the rainfall patterns, amounts and timing and severe weather occurrences that occur as a result of sea breezes and associated prevailing wind regimes within Pinellas County for the months of June, July and August for …

Poe As Magazinist, Kay Ellen Mckamy

USF Tampa Graduate Theses and Dissertations

Edgar Allan Poe has long been recognized as one of American literature's most intriguing authors, usually for reasons other than his writing. Most literary studies examine one or two of his tales and perhaps one or two comments he made about the short tale. This dissertation will instead look at the work Poe did while involved in the world of early-American magazines for the last seventeen years of his life. It will explore how the magazine world affected his writing and his theories, especially his theories on the genre of the short story, a genre that Poe essentially described and …

Natural Product Drug Discovery Against Tropical Diseases, Wai Sheung Ma

USF Tampa Graduate Theses and Dissertations

This dissertation describes the isolation of secondary metabolites from natural origins through a series of chromatographic techniques and spectrometric characterization in the effort of drug discovery. The isolated compounds obtained were used as drug leads against tropical diseases, namely malaria and leishmaniasis. While first chapter offers an introduction on the use of a natural product by itself as an effective therapeutic and its role on inspiring the discovery of new drugs, the later chapters will concentrate on isolation and characterization of bioactive natural products from an Antarctic sponge and mangrove endophytic fungi during the dissertation work.

The second chapter describes …

The Persistence Of Casuistry: A Neo-Premodernist Approach To Moral Reasoning, Richard Arthur Mercadante

USF Tampa Graduate Theses and Dissertations

The general purpose of this dissertation is to explore casuistry--case-based reasoning--as a discredited, rehabilitated, and, most importantly, persistent form of moral reasoning. Casuistry offers a much needed corrective to principle-based approaches. I offer a defense of a "principle-modest" casuistry and explore the epistemology of casuistry, describing the prerequisite knowledge required for casuistry. I conclude by arguing that casuistry is best understood as a neo-premodernist approach to moral reasoning.

A Gay Savior: Reducing Anti-Gay Feelings With Gay Male Kindness Following Ostracism, Kenneth Michniewicz

USF Tampa Graduate Theses and Dissertations

Social scientists have extensively examined ways of reducing negative feelings toward minority groups. However, no research has examined the ability for passive ostracism, the implicit exclusion of an individual by one's peers, to reduce such negative feelings despite evidence that such exclusion can yield similar positive benefits. The present study sought to address this deficit in the literature by exploring whether or not implicit ostracism by one's peers can cause a kind gesture by a stigmatized minority group member (gay men) to improve general perceptions of the associated group. A sample of 211 undergraduate students from the University of South …

A House But Not A Home? Measuring "Householdness" In The Daily Lives Of Monticello's "Nail Boys", Shannon Lee Mcvey

USF Tampa Graduate Theses and Dissertations

Monticello, the plantation home of Thomas Jefferson, was also home to more than 100 African American slaves between 1771 and 1826. As many as 40 members of this community lived and worked on Mulberry Row, once a bustling avenue of residential and industrial activity adjacent to the Palladian mansion. Archaeological excavations in 1957 and 1982–-1983 uncovered the remains of Mulberry Row's nailery, where preteen and teenaged enslaved "“nail boys”" manufactured nails for internal use and sale. These excavations revealed surprisingly high amounts of domestic artifacts, particularly ceramics and glass, indicating the young nailers also may have lived inside the nailery. …

Design And Analysis Of An Innovative Semi-Flexible Hybrid Personal-Body-Armor System, Daniel Jeffrey Miller

USF Tampa Graduate Theses and Dissertations

Current military-grade rifle body armor technology uses hard ballistic plates positioned on top of flexible materials, such as woven Kevlar® to stop projectiles and absorb the energy of the impact. However, absorbing the impact energy and stopping a rifle projectile comes at a cost to the wearer - mobility. In this thesis, a new concept for personal body armor is proposed - a semi-flexible hybrid body armor. This hybrid armor is comprised of two components that work as a system to effectively balance the flexibility offered by a soft fabric based armor with the protection level of hard plated armor. …

Middle School Students' Willingness To Engage In Different Types Of Activities With Peers: The Effect Of Presence Of Adhd Symptoms And Familiarity With Adhd, Melanie M. Mcmahan

USF Tampa Graduate Theses and Dissertations

In addition to the increased risk they face for social and academic problems, adolescents with Attention-Deficit/Hyperactivity Disorder (ADHD) must also contend with stigma attached to the disorder. For instance, youth prefer greater social distance from students described with ADHD symptoms than from peers with asthma (Walker, Coleman, Lee, Squire, & Friesen, 2008), and adolescents are also reluctant to engage in activities (e.g., go to the movies, study together) with a peer described with ADHD symptoms compared to peers described as obese or autistic (Law, Sinclair, & Fraser, 2007). Familiarity with individuals diagnosed with ADHD may influence adolescents' perceptions of their …

Ethical And Moral Decision Making: Praxis And Hermeneutics For School Leaders, Joan Quinn Minnis

USF Tampa Graduate Theses and Dissertations

There has been a renewed interest in the inclusion of ethics as part of educators' training and interest in understanding the moral and ethical dimensions of educational practice. This research was designed to study the types of dilemmas school level leaders face, the characteristics of typical dilemmas, and the implications for leader preparation, professional development, and practice.

In documenting the lived experiences of former school level leaders, the grounded theory approach to qualitative inquiry and the critical incident technique (CIT) were employed. Data collected from interview sessions, dialogs, journals and reflections were used to analyze the types of dilemmas school …

The Construction Of Adversarial Growth In The Wake Of A Hurricane, Beverly Lynn Mcclay Borawski

USF Tampa Graduate Theses and Dissertations

This study employed a qualitative approach to explore the factors that contribute to positive change and growth following a natural disaster. The qualitative methodology included narrative interviews and family group interviews that were conducted with six families in Florida that had experienced two or three hurricanes within six weeks in 2004. Narrative analysis and thematic analysis were used to discover what factors contributed to participants experiencing positive growth.

Participants described the experience of surviving and coping with the hurricane. Participants reported that preparation before a hurricane was a three-part process that involved physical, mental, and emotional preparation. Four actions were …

Chemical Investigation Of The Antarctic Marine Invertebrates Austrodoris Kerguelenensis & Dendrilla Membranosa And The Antarctic Red Alga Gigartina Skottsbergii, John Alan Maschek

USF Tampa Graduate Theses and Dissertations

The marine realm and, in particular, the Antarctic benthos is largely unexplored and understudied. The chemical investigation reported herein reveals not only the biodiversity, but how that biodiversity manifests remarkable chemical diversity. In our continuing study of the nudibranch Austrodoris kerguelenensis, we have isolated a diverse suite of diterpenoid glyceride esters, palmadorins D - S (2.32 - 2.47), one of which is the first reported halogenated diterpene from a dorid nudibranch. Utilizing genomic data from collaborators, we have investigated the chemical diversity from phylogenetically unique specimens collected in close proximity to one another. Chemical groupings based on comparison of LC/MS …

Cold War Playboys: Models Of Masculinity In The Literature Of Playboy, Taylor Joy Mitchell

USF Tampa Graduate Theses and Dissertations

"Cold War Playboys: Models of Masculinity in the Literature of Playboy" emphasizes the literary voices that emerged in response to the Cold War's redefinitions of space and sexuality and, thus, adds to the growing national discourse of Cold War literary and masculinity studies. I argue that the literature Playboy includes has always been a necessary feature to creating its masculinity model; however, that very literature often destabilizes the magazine's grand narrative because it presents readers with alternative models of masculinity. To make that argument, I presume five things: 1) masculinity, like femininity, is a construct; 2) the mid-century masculinity …

Translation And Adaptation Of The Center For Epidemiologic Studies-Depression (Ces-D) Scale Into Tigrigna Language For Tigrigna Speaking Eritrean Immigrants In The United States, Mulubrhan Fisseha Mogos

USF Tampa Graduate Theses and Dissertations

Depression is one of the oldest known mental health conditions. It is acknowledged to be a global health problem that affects people from any culture or ethnic group. The prevalence of depression widely varied across countries and cultures. The cross-cultural relevance of the concept of depression, its screening or diagnosis, and cultural equivalence of items used to measure symptoms of depression has been area of research interest. Differences in prevalence rates in depression have been suggested as being due to research artifacts, such as use of instrument developed for one culture to another culture. With the current trend of globalization …

Seasonal Changes In The Sinking Particulate Flux And In The Nitrogen Cycle Within The Euphotic And Twilight Zones Of The Cariaco Basin, Venezuela, Enrique Montes-Herrera

USF Tampa Graduate Theses and Dissertations

This study explored the effects of seasonal variability on the geochemistry of sinking pthesiss and on the nitrogen cycle of the Cariaco Basin. Pthesis fluxes were measured at the base of the euphotic zone (the depth of 1% of photosynthetically active radiation - PAR) with drifting sediment traps during months of upwelling and non-upwelling regimes from March 2007 to November 2009. Flux estimates were analyzed in the context of seasonal variations in sea surface temperature, primary productivity, and chlorophyll a concentrations using data generated by the CARIACO Time-series Program as well as satellite data. Additionally, nine years (1996-2000 and 2004-2007) …

Urbanization And Land Surface Temperature In Pinellas County, Florida, Bruce Coffyn Mitchell

USF Tampa Graduate Theses and Dissertations

Since the early 1800's, many studies have recognized increased heat in urban areas, known as the urban heat island (UHI) effect, as one of the results of human modification to the natural landscape. UHI is related to differences in land surface temperature (LST) between rural areas and urban areas where factors of the built environment such as the thermodynamic capacities of materials, structural geometry, and heat generating activities cause increased storage and re-radiation of heat to the atmosphere. This thesis examines the correlation between factors of urbanization and differences in land surface temperature (LST) in the subtropical climate of Pinellas …

Parametric And Bayesian Modeling Of Reliability And Survival Analysis, Carlos A. Molinares

USF Tampa Graduate Theses and Dissertations

The objective of this study is to compare Bayesian and parametric approaches to determine the best for estimating reliability in complex systems. Determining reliability is particularly important in business and medical contexts. As expected, the Bayesian method showed the best results in assessing the reliability of systems.

In the first study, the Bayesian reliability function under the Higgins-Tsokos loss function using Jeffreys as its prior performs similarly as when the Bayesian reliability function is based on the squared-error loss. In addition, the Higgins-Tsokos loss function was found to be as robust as the squared-error loss function and slightly more efficient. …