Digital Commons Network^™

Does The Use Of Personally Relevant Stimuli In Semantic Complexity Training Facilitate Improved Functional Communication Performance Compared To Non-Personally Relevant Stimulus Items Among Adults With Chronic Aphasia?, Stephanie Karidas

USF Tampa Graduate Theses and Dissertations

This study investigated the influence of semantic complexity treatment in individuals with fluent aphasia on discourse performance. Semantic treatment is an effective way to improve semantically based word retrieval problems in aphasia. Treatment focused on the semantic application of the Complexity Account of Treatment Efficacy (CATE) (Thompson, Shapiro, Kiran, & Sobecks, 2003) promotes training of complex items resulting in generalization to less complex, untrained items. In addition, research has shown that the personal relevance of treatment material can increase treatment efficacy. This study investigated the effect of semantic treatment of atypical personally relevant items among individuals with aphasia on discourse …

Trends In The Contracting Out Of Local Government Services, Cristiane Carvalho Keetch

USF Tampa Graduate Theses and Dissertations

Challenging economic conditions have led local governments to explore alternative methods to deliver public services to residents. This thesis explores historical contracting out trends and offers new research about contracting out activity by local jurisdictions in the state of Florida. Through an e-survey, the new data examines if cities and counties in Florida increased contracting out activity of public services in response to a declining economic environment and changes in population growth trends.

This elaborate and multifaceted task is accomplished through a deliberate interdisciplinary research approach. The literature review consists of well-known publication responsible for creating the foundation of contracting …

Fabricating And Characterizing Physical Properties Of Electrospun Polypeptide-Based Nanofibers, Dhan Bahadur Khadka

USF Tampa Graduate Theses and Dissertations

This dissertation has aimed to fabricate polypeptide based biomaterial and characterize physical properties. Electrospinning is used as a tool for the sample fabrication. Project focused on determining the feasibility of electrospinning of certain synthetic polypeptides and certain elastin-like peptides from aqueous feedstocks and to characterize physical properties of polymer aqueous solution, cast film and spun fibers and fiber mats. The research involves peptide design, polymer electrospinning, fibers crosslinking, determining the extent of crosslinking, fibers protease degradation study, fibers stability and self-organization analysis, structure and composition determination by various spectroscopy and microscopy techniques and characterization of mechanical properties of individual suspended …

The Role Of Acquired Capability As A Differentially-Specific Risk Factor For Disordered Eating And Problematic Alcohol Use In Female College Students: A Measure Development And Validation Study, Christa D. Labouliere

USF Tampa Graduate Theses and Dissertations

Traditional college students are members of an age bracket noted for high levels of risky behavior, and research has shown that certain risky behaviors, such as disordered eating and problematic alcohol use, are particularly common among undergraduates. It is well established that certain events in the learning history predispose vulnerable persons to engage in maladaptive risky behaviors. What is less clear is why some persons facing these events go on to develop maladaptive behavior while others do not, or why people facing similar events develop different varieties of maladaptive behaviors. Current research has focused extensively on risk factors that are …

Exercise Barriers In Cancer Survivors: A Multi-Dimensional Approach, Morgan Lee

USF Tampa Graduate Theses and Dissertations

The population of cancer survivors is rapidly expanding, and promotion of health and quality of life for these individuals is a priority. Exercise confers numerous general and cancer–specific benefits, yet many cancer survivors are insufficiently active. Research on perceived exercise barriers in cancer survivors has been limited by methodological and conceptual problems. Recent research suggests barriers may be multi–dimensional, and different types of barriers may be salient depending on whether or not a person intends to engage in a given behavior. Global (i.e., abstract) barriers may be negatively associated with intention, while practical (i.e., concrete) barriers may be positively associated …

The Man Behind The Mask: A Principal's Search For A Moral Leaderhip Purpose, James Franklin Lane

USF Tampa Graduate Theses and Dissertations

The purpose of this autoethnographic narrative inquiry was for the researcher to describe and explain how he discovered, constructed, and refined his sense of moral purpose as a principal during his seven-year tenure at Orange Pines Middle School. He inductively analyzed and reflected primarily on self-authored texts tied to critical professional ethical dilemmas so as to discover emergent themes, patterns, insights, and epiphanies in the development of his persona as a morally directed school leader. He then analyzed and reflected on how he applied those defined values in interactions with groups of teachers to design and implement elements of school …

Connecting Pixels To People: Management Agents And Social-Ecological Determinants Of Changes To Street Tree Distributions, Shawn Landry

USF Tampa Graduate Theses and Dissertations

Street trees are an important component of the urban forest that can provide direct and indirect benefits to social and ecological sustainability in cities. Temporal and spatial interactions between human and non-human management agents determine the distribution and health of street tree populations in urban areas. This dissertation seeks to enhance our understanding of the spatial patterns and processes affecting street trees by investigating the agents and social-ecological determinants of changes to street tree distributions in urban residential neighborhoods. The research was guided by three primary questions: (1) Are recent changes to the spatial distribution of street trees influenced by …

Learning From Voices Of Diverse Youth: School-Based Practices To Promote Positive Psychosocial Functioning Of Lgbtq High School Students, Troy Nicholas Loker

USF Tampa Graduate Theses and Dissertations

The purpose of this study was to identify school-based practices that lesbian, gay, bisexual, transgender, and questioning (LGBTQ) youth endorse as ways for high schools to provide social, emotional, and academic support to LGBTQ youth. A diverse sample of LGBTQ high school students (N = 18) from one large urban school district in a southeastern state participated in individual semi-structured interviews and/or small group brainstorming sessions. Eleven individual interviews were conducted to gather detailed accounts of a) supportive behaviors and policies that youth had experienced in their schools, as well as b) supportive behaviors and policies that were suggested as …

Modeling Nitrogen Transformations In A Pilot Scale Marine Integrated Aquaculture System, Brian Mccarthy

USF Tampa Graduate Theses and Dissertations

Integrated aquaculture systems (IAS) are a type of recirculating aquaculture systems (RAS) where the wastewater is treated and returned to the fish tanks. The important difference between the two is that in an IAS, wastes from the aquaculture component are recovered as fertilizer to produce an agricultural product whereas in an RAS, waste organics, nutrients and solids are treated and discharged. A pilot marine IAS at Mote Aquaculture Research Park in Sarasota, FL was studied for this project. Water quality monitoring, measurements of fish health and growth rates of fish and plants were performed over a two-year period to determine …

Interrogation Of Epor Fidelity In Myelodysplastic Syndrome Hematopoiesis And Stabilization By The Immunomodulatory Agent, Lenalidomide, Kathy Lynn Mcgraw

USF Tampa Graduate Theses and Dissertations

Myelodysplastic syndromes (MDS) include a spectrum of stem cell malignancies characterized by ineffective hematopoiesis and predisposition to acute myeloid leukemia (AML) transformation. Patients are predominantly older (greater than 60 years old), with progressive cytopenias resulting from ineffective and cytologically dysplastic hematopoiesis. MDS subtypes are classified by morphologic features and bone marrow blast percentage, as well as cytogenetic pattern, as is the case for deletion 5q MDS. Interstitial deletion of the long arm of chromosome 5, del(5q), is the most common chromosomal abnormality in patients with MDS, and the 5q- syndrome, represents a distinct subset of del(5q) MDS characterized by an …

Understanding Amphibian Decline: The Role Of Pesticides And The Pathogenic Chytrid Fungus On Amphibians And Aquatic Communities, Taegan A. Mcmahon

USF Tampa Graduate Theses and Dissertations

Amphibians are the most threatened taxon on the planet. Declines have been associated with over-exploitation, habitat loss, pollution, and pathogenic diseases, but of these factors, pollution and disease have been relatively under-studied. Here, I investigated: 1) the impacts of commonly used pesticides on aquatic communities, 2) the effect of these pesticides on amphibian susceptibility to the pathogenic chytrid fungus, Batrachochytrium dendrobatidis (Bd), and 3) whether there are non-amphibian hosts of Bd and 4) how to best quantify the survival of Bd through ontogeny of the host.

In my first research chapter, I quantified the effects of environmentally relevant concentrations of …

Evaluation Of Occupational Risk Factors For Nurses And Cnas: Analysis Of Florida Workers' Compensation Claims Database, Sheila Mohammed

USF Tampa Graduate Theses and Dissertations

Musculoskeletal injuries lead to most claims even though needlestick injuries receive the most attention. In 2010, health expenditures in the United States neared $2.6 trillion. CNAs, orderlies, and attendants had the highest rates of musculoskeletal disorders of all occupations with an incidence of 249 per 10,000 compared to 34 per 10,000 for all workers. The financial burden of back injuries in the healthcare industry is estimated to add up to $20 billion annually. Data was extracted for cause of injury, nature of injury and body part injured. Extracted data was analyzed both descriptively and by logistic and linear regression using …

Fertile Ground For A Social Movement: Social Capital In Direct Agriculture Marketing, Elizabeth A. Murray

USF Tampa Graduate Theses and Dissertations

Building from existing literature on anthropology of food, political economy of food and consumption, and social movement theory, I examine the direct agriculture network of Tampa Bay Florida through a mixed-method ethnography. The research consisted of one year of field-work, with 6 months and over 100 hours of active participant observation, open-ended interviews with eight local producers, and short surveys with 100 market patrons. This thesis is an analysis of the results of this rigorous qualitative and quantitative work and, perhaps more importantly, an account of my own personal struggles in joining the direct agriculture network and my ultimate commitment …

Essays In Happiness Economics, Boris Nikolaev

USF Tampa Graduate Theses and Dissertations

The goal of this dissertation is to contribute to the new field of happiness economics which over the past several decades has substantially enhanced our understanding of cognitive judgment, human behavior, and the nature of happiness. Chapter 1 starts with a discussion of the subjective approach to measuring well-being and lays the foundation for the empirical work that follows in chapters 2 and 3. This approach has a strong appeal because ancient and modern cultures, and a long tradition in philosophy, view achieving happiness as the ultimate goal of human existence. It also recognizes that humans are the best judges …

The Strong Black Woman, Depression, And Emotional Eating, Michelle Renee Offutt

USF Tampa Graduate Theses and Dissertations

Abstract

Eighty percent of all black women are overweight or obese which can lead to greatly increased morbidity and mortality, increasing healthcare costs and loss of healthy years of life. While multiple factors may contribute to obesity in black women, the cultural persona of the Strong Black Woman (SBW), an ideology that promotes unflagging toughness and denial of self-needs, may be the basis for behaviors that contribute to steady state obesity in this group. The purpose of this study was to investigate the relationships between the SBW persona, depression, and emotional eating.

Two predominately black churches in Florida were approached …

Quantifying The Ergonomic Impact On Healthcare Workers Using A Needle-Free Injector Device, Humberto Jose Olivero Lara

USF Tampa Graduate Theses and Dissertations

Background: Jet injectors are advantageous over needle injectors by eliminating sharps hazards. The Government Accountability Office estimates 29% preventable sharp injuries with an estimated direct cost of more than $500 million out of the CDC's reported incidence of 385,000 needle stick injuries per year among US hospital healthcare workers. Yet the forces required to set and trigger devices using spring mechanisms for medication delivery have not been explored. This laboratory experiment measured forces exerted by healthcare workers (HCWs) using a particular jet injector approved by FDA in 2011.

Objectives: In order to quantify the ergonomic impact on HCWs using a …

The 2008 Candlelight Protest In South Korea: Articulating The Paradox Of Resistance In Neoliberal Globalization, Huikyong Pang

USF Tampa Graduate Theses and Dissertations

My dissertation is a speculative analysis of the historical contexts of a social protest, based on the notion of "articulation" advanced in the field of cultural studies. Focusing on the 2008 candlelight protest against U.S. beef in South Korea, my goal is to explore the historical contexts of the protest, which formulate the identity of the protest. Since the U.S. beef deal was approved by the Korean government as a precondition for the Free Trade Agreement between Korea and the United States, the protest has been considered (notably by leftists in Korea) as a resistance against post-colonial overtones and fascist …

Statistical Analysis And Modeling Of Brain Tumor Data: Histology And Regional Effects, Keshav Prasad Pokhrel

USF Tampa Graduate Theses and Dissertations

Comprehensive statistical models for non-normally distributed cancerous tumor sizes are

of prime importance in epidemiological studies, whereas a long term forecasting models

can facilitate in reducing complications and uncertainties of medical progress. The statistical

forecasting models are critical for a better understanding of the disease and supply

appropriate treatments. In addition such a model can be used for the allocations of budgets,

planning, control and evaluations of ongoing efforts of prevention and early detection of

the diseases.

In the present study, we investigate the effects of age, demography, and race on primary

brain tumor sizes using quantile regression methods to …

Socioeconomic Factors' And Water Source Features' Effect On Household Water Supply Choices In Uganda And The Associated Environmental Impacts, Christine M. Prouty

USF Tampa Graduate Theses and Dissertations

Over the last twenty years or more, Uganda has benefitted from significant strides in water and sanitation initiated by the United Nations' Millennium Development Goals. While the rapid progress towards development has been vastly beneficial, it is also important that it does not occur at the expense of the environment. The environmental impacts of these water sources must be evaluated and understood. However, to develop a robust understanding of the impact requires inclusion of the community members who use these sources and their perceptions of them. Consequently, the goal of this research is to investigate the interrelationships between socioeconomic factors, …

Cultivating Local: Building A Local Food System In Western North Carolina, Allison S. Perrett

USF Tampa Graduate Theses and Dissertations

This dissertation examines a movement in Western North Carolina to build a local food system, one grounded in the conditions and relationships of place. In 2000, Mountain Family Farms launched the Local Food Campaign to raise public awareness about the region's farms and farming heritage, to educate consumers about the benefits of buying food grown by local farms, and, ultimately, to build markets for locally grown food to sustain the region's farms. The campaign sparked a social movement and over a decade later local farms and locally grown food are a palpable feature of life in the mountains of Western …

The Effect Of Rate Change On The Relative Timing Of Speakers With Multiple Sclerosis, Brandlynn N. Reister

USF Tampa Graduate Theses and Dissertations

Relative timing ratios are a useful measure for determining the temporal regularities of speech. The timing intervals that make up these ratios are thought to be important when creating the motor plan for an utterance (Weismer & Fennell, 1985). In fact, these ratios have been shown to be remarkably stable, even when speakers deliberately increase their rate (Tuller & Kelso, 1984; Weismer & Fennell, 1985). The constancy of these ratios also has been demonstrated in speakers with known speech timing disturbances, like the dysarthrias associated with Parkinson's and Huntington's disease (Goberman & McMillan; Ludlow, Connor, & Bassich, 1987; Weismer & …

A Collective Case Study Of The Diagnosis Of Dissociative Disorders In Children, Jacqueline J. Reycraft

USF Tampa Graduate Theses and Dissertations

There is a paucity of research on the diagnosis of dissociative disorders in children. Most children are misdiagnosed with more common mental disorders with similar symptoms. Earlier recognition of dissociative disorders can save years of pain, suffering, and cost. This qualitative collective case study examined the process of diagnosing dissociation in two children under the ages of 12 at the beginning of treatment. A concurrent focus on the training and development of the therapist/researcher is included. Archival data including progress notes, psychotherapy notes, assessments, correspondence, legal documents, school records, and medical records were analyzed using within-case and cross-case analyses to …

Insight Into The Use, Perception, And Value Surrounding Domestic Water In Peru: Envisioning Demand Management In An Intermittent, Small-City, Service Context, Merril Augusta Putnam

USF Tampa Graduate Theses and Dissertations

Population growth, urbanization, degrading water quality, and climate change are making management of scarce water resources an increasingly difficult task for the domestic sector. It is recognized that in order to manage urban water resources demand management is requisite. Demand management has been experimented with in large cities of developing countries but continued focus on expanding supply overshadows its potential benefits and ultimate success. In order to manage demand, it must be measured and understood. Intermittent water services are prevalent in developing countries, but unmetered domestic water use under such conditions has not been carefully studied. This study conducted 1,149 …

The Elimination Of Blindness: An Ethnographic Exploration Of The Fight Against Trachoma In Niger, Kelley Cosby Sams

USF Tampa Graduate Theses and Dissertations

The goal of this study is to explore specialized and popular cultural models of trachoma, and the interaction between the trachoma elimination program and its target audience in one trachoma hyper-endemic intervention community. Eighty four million people worldwide, mainly children, are infected with active bacterial trachoma. For some, this will lead to painful and progressive corneal opacity and eventual blindness. The disease is most commonly spread by person-to-person contact or by flies, and affects very specific populations living in resource-poor areas such as rural Niger, which has one of the highest prevalence rates worldwide.

The World Health Organization formed an …

Sense Of Place In An Unincorporated Community:, Samuel Scott Sanderson

USF Tampa Graduate Theses and Dissertations

Abstract

Residents of communities that are at the edge of the rural-urban divide are likely to have many senses of place reflective of the changes occurring around them. As the place where they have resided in and identify with becomes transformed by changes in land use and social composition, these residents may be forced to either adapt or leave. Often overlooked, these individuals may feel as if the place where they have long resided is no longer their home. As the familiar routes, stores, and neighborhoods give way to new highways, big name stores, and exclusive subdivisions, their understanding of …

Beyond The Door: Disability And The Sibling Experience, Morgan Violeta Sanchez Taylor

USF Tampa Graduate Theses and Dissertations

This thesis explores the experiences of adult siblings of individuals with impairments. It expands on the existing literature by exploring the complexity of the sibling experience of disability while moving beyond the concepts of burden and maladjustment that have characterized much of the previous literature. In addition, it expands upon and extends to the sibling experience an emerging view of disability by examining the ways in which themes identified in sibling narratives cross lines between the Medical and Social Models of Disability. Building on work by Mark Priestly and Tom Shakespeare, I call this emerging view the Interactional Model of …

Mass Spectrometry-Based Methods For The Detection And Characterization Of Protein-Tyrosine Nitration, Kent W. Seeley

USF Tampa Graduate Theses and Dissertations

Protein tyrosine nitration (PTN) is a posttranslational modification resulting from oxidative/nitrosative stress that has been implicated in a wide variety of disease states. Characterization of PTN is challenging due to several factors including its low abundance in a given proteome, preferential site modification, multiple target site proximity within unique peptide sequences, and analytical method and instrument limitations. Current analytical techniques are insufficiently sensitive to identify endogenous nitration sites without incorporation of either nitrotyrosine or target protein enrichment. However, enrichment proficiency can also be inadequate. Chemical derivatization of the nitro- moiety can be incomplete or result in undesirable byproduct formation, while …

Fracking Teco: Analyzing The Communication Strategies In Teco Peoples Gas Advertisements, Magdaline Southard

USF Tampa Graduate Theses and Dissertations

Abstract

TECO advertisements promote the use of natural gas as an energy source because it claims that natural gas is an environmentally responsible alternative to other sources of energy. However, these advertisements do not reveal the not-so-green process, namely hydraulic-fracturing, or fracking, by which natural gas is produced and the consequences that it can and does have on public health and the environment. Even though the conversation about fracking has been on the rise in recent years as certain companies and politicians have pushed for an increase in natural gas production, scholars have yet to examine the communicative strategies used …

Harmful Algal Blooms Of The West Florida Shelf And Campeche Bank: Visualization And Quantification Using Remote Sensing Methods, Inia Mariel Soto Ramos

USF Tampa Graduate Theses and Dissertations

Harmful Algal Blooms (HABs) in the Gulf of Mexico (GOM) are natural phenomena that can have negative impacts on marine ecosystems on which human health and the economy of some Gulf States depends. Many of the HABs in the GOM are dominated by the toxic dinoflagellate Karenia brevis. Non-toxic phytoplankton taxa such as Scrippsiella sp. also form intense blooms off the Mexican coast that result in massive fish mortality and economic losses, particularly as they may lead to anoxia.

The main objectives of this dissertation were to (1) evaluate and improve the techniques developed for detection of Karenia spp. blooms …

Spiritual Life Review With Older Adults: Finding Meaning In Late Life Development, Alicia Margaret Stinson

USF Tampa Graduate Theses and Dissertations

ABSTRACT

Spirituality has been recognized as a positive factor in the lives of older adults, especially as it influences their emotional, mental, and physical well-being. This convenience sample study included 17 older adults residing at a faith based continuing care retirement community in Florida. The sample was represented by Caucasian older adults with an average age of 84 years, highly educated, majority Protestant and mostly female. Spiritual life reviews were conducted using spiritual life maps (Hodge, 2005) and semi-structured interview questions. Erikson's epigenetic stage of ego-integrity was used along with Butler's life review process and Tornstam's gerotranscendence as a conceptual …