Digital Commons Network^™

Potential Impacts Of Accelerated Sea-Level Rise And Hurricane-Induced Storm Surge In Western Pasco County, Florida, Kittiya Harris

USF Tampa Graduate Theses and Dissertations

Sea levels have risen approximately 20 cm since the beginning of the 20th century and more than 3 cm in the past 20 years, suggesting that global sea level rise is accelerating. As sea levels continue to rise and storms become more intense, coastal property and populations become more susceptible to damage. Florida is especially vulnerable to hurricane-induced storm surge (HSS) and the onset of accelerated sea-level rise (ASLR) due to its extensive coastline and high population density along the coast. The main purpose of this research is to assess the potential economic impacts of ASLR and HSS for two …

Tensions Between Democracy And Expertise In The Florida Keys, Elizabeth A. Loyer

USF Tampa Graduate Theses and Dissertations

The proposed release of genetically modified mosquitoes (GMM) in the Florida Keys to combat the spread of diseases such as Zika prompted heated local debate, turning a seemingly routine mosquito control policy into a public scientific controversy. Arguments about the GMM derive from inventional commonplaces where the historical conflict between democratic systems of civic deliberation and the epistemic authority of expertise is instantiated. This project analyzes the topoi that Keys participants gather around to generate their argumentative positions as published in public, local print and digital news articles, blog posts, and letters to the editor between 2011 and 2016. Investigating …

Comparative Analysis Of Tag Estimation Algorithms On Rfid Epc Gen-2 Performance, Arundhoti Ferdous

USF Tampa Graduate Theses and Dissertations

In a passive radio-frequency identification (RFID) system the reader communicates with the tags using the EPC Global UHF Class 1 Generation 2 (EPC Gen-2) protocol with dynamic framed slotted ALOHA. Due to the unique challenges presented by a low-power, random link, the channel efficiency of even the most modern passive RFID system is less than 40%. Hence, a variety of methods have been proposed to estimate the number of tags in the environment and set the optimal frame size. Some of the algorithms in the literature even claim system efficiency beyond 90%. However, these algorithms require fundamental changes to the …

Morphometric Analysis Of The Talus On The Cohort Of Healthy And Arthritic Patient Population:, Tia Arvaneh

USF Tampa Graduate Theses and Dissertations

Prevalence of osteoarthritis (OA) is less common in the ankle compared to other joints; however, deformation brought on by degeneration causes pain, loss of function, and overall decreased quality of life. Current surgical interventions for end-stage ankle OA are not as reliable as surgical treatments for other joints. Ankle arthroplasty currently has high failure rates, and there are lack of substantial data from long-term outcome studies. By understanding the morphometric changes that occur during the different stages of OA, we are able to identify early signs of the disease with the intention to apply treatment earlier in order to preclude …

Prevalence Of Typical Images In High School Geometry Textbooks, Megan N. Cannon

USF Tampa Graduate Theses and Dissertations

Visualization in mathematics can be discussed in many ways; it is a broad term that references physical visualization objects as well as the process in which we picture images and manipulate them in our minds. Research suggests that visualization can be a powerful tool in mathematics for intuitive understanding, providing and/or supporting proof and reasoning, and assisting in comprehension. The literature also reveals some difficulties related to the use of visualization, particularly how illustrations can mislead students if they are not comfortable seeing concepts represented in varied ways. However, despite the extensive research on the benefits and challenges of visualization …

Black Girl Magic?: Negotiating Emotions And Success In College Bridge Programs, Olivia Ann Johnson

USF Tampa Graduate Theses and Dissertations

Using ethnographic observations and in-depth interviews, this project explores the extent to which race, class, and gender shape the socialization that Black women receive about their emotions and attitudes in a college bridge program. It unpacks the ways that dominant emotion cultures can inform the emotional socialization practices of a college bridge program in ways that resist and reproduce larger cultural narratives about Black women. To operationalize this emotional socialization, I introduce a concept called emotional respectability, which suggests that emotional reactions and demeanor must always align with the larger emotion cultures and goals of institutions such as family and …

A Qualitative Content Analysis Of Early Algebra Education Ios Apps For Primary Children, Lissa S. Ledbetter

USF Tampa Graduate Theses and Dissertations

Educational software applications (apps) on multi-touch, mobile devices provide a promising space to help learners work toward long-term educational goals, like learning with understanding (Bransford, Brown, & Cocking, 2000). Such goals are particularly relevant in supporting a learner’s efforts to become more mathematically literate. Yet, a number of current apps do not appear to be living up to this potential. As such, this study drew upon the theoretical framework of Learning Science and the conceptual framework of TPACK theory (Mishra & Koehler, 2006) to define curricular characteristics that ideally support primary children’s potential to learn early algebra concepts with understanding, …

Perceptual Differences In Natural Speech And Personalized Synthetic Speech, Katherine Overton

USF Tampa Graduate Theses and Dissertations

The purpose of this study was to determine what perceptual differences existed between a natural recorded human voice and a synthetic voice that was created to sound like the same voice. This process was meant to mimic the differences between a voice that would be used for Message Banking and a voice that would be created by the ModelTalker system. Forty speech pathology graduate students (mean age = 23 years) rated voices on clarity, naturalness, pleasantness, and overall similarity. Analysis of data showed that the natural human voice was consistently rated as more natural, clear, and pleasant. In addition, participants …

“You Know Who I Am, Don’T You? I’M The One They’Re Writing About In The Newspapers And On Tv”, Casey Killen Crane

USF Tampa Graduate Theses and Dissertations

News media play a key role in U.S. society, helping to inform members of the public as gatherers and reporters of information, as well as by serving as government watchdogs. In the ongoing search for and reporting of information, media professionals must be aware of how they report on crime by being cognizant of how they represent killers, victims, and their families, and by being aware of how they represent any gratifications those groups may receive from the media coverage. This study considers the interactions between serial killer Dennis Rader, investigators and media organizations, and how some of these groups …

Time Series Online Empirical Bayesian Kernel Density Segmentation: Applications In Real Time Activity Recognition Using Smartphone Accelerometer, Shuang Na

USF Tampa Graduate Theses and Dissertations

Time series analysis has been explored by the researchers in many areas such, as statistical research, engineering applications, medical analysis, and finance study. To represent the data more efficiently, the mining process is supported by time series segmentation. Time series segmentation algorithm looks for the change points between two different patterns and develops a suitable model, depending on the data observed in such segment. Based on the issue of limited computing and storage capability, it is necessary to consider an adaptive and incremental online segmentation method. In this study, we propose an Online Empirical Bayesian Kernel Segmentation (OBKS), which combines …

An Assessment Of Constructed Wetland Treatment System Cells: Removal Of Excess Nutrients And Pollutants From Municipal Wastewater In Lakeland, Florida, Molly Klinepeter

USF Tampa Graduate Theses and Dissertations

Wastewater treatment wetlands are proven valuable alternatives to the treatment of wastewater in a more natural environment. These wetlands can be natural or constructed, and come in a variety of types and sizes. The purpose of this study was to determine the efficiency of water treatment for nutrients and pollutants utilized by the City of Lakeland in treating their municipal wastewater by wetland treatment system cells. This study is important in order to ensure the successful use of the wetland, as well as to determine the impacts previous phosphorus mining use may have on the effectiveness of treatment. Following FDEP …

The Rhetoric Of Scientific Authority: A Rhetorical Examination Of _An Inconvenient Truth_, Alexander W. Morales

USF Tampa Graduate Theses and Dissertations

This thesis project examines how scientific authority is produced through rhetorical practices instead of the “information deficit” model of science communication. By conducting a rhetorical analysis of the science documentary An Inconvenient Truth, this project demonstrates how the documentary format itself and the film’s leading agent, former United States Vice President Al Gore, attempt to persuade audiences through building degrees of scientific authority by employing multiple rhetorics or narrative themes of science to bolster the scientific facts supporting anthropogenic climate change. Additionally, I demonstrate how these narrative themes parallel three scholarly themes within the rhetoric of science literature: science …

Perceptual Learning Styles Modalities Utilizing The Multimodal Paired Associates Learning Test: An Analysis Of Latinos Born In Central And South America, Matias Ramirez

USF Tampa Graduate Theses and Dissertations

Businesses and Human Resources professionals face the ongoing challenge of continuously upskilling and developing employees. Changes to processes or procedures, changes in technology, changes in job functions, and updates or changes to compliance laws or regulations are all reasons that employees must attend and complete employer-developed training. This study utilized the updated Multimodal Paired Associates Learning Test, version four (MMPALT-IV) instrument to determine perceptual learning styles and to determine if there exists a measureable difference in Latinos perceptual learning styles.

The purpose of this study was to measure the perceptual learning styles of Latino adults from Central and South America …

The Lives Of Suburban Peasants: Agricultural Change And Mobility In Haiti, Rachel M. Grabner

USF Tampa Graduate Theses and Dissertations

This dissertation develops a political ecology of suburban peasants to describe the lives of Haitian farmers residing in a neighborhood on the margins of Port-au-Prince. The category of suburban peasants has been well described for Chinese small-scale farmers but has yet to be applied elsewhere as an analytic category. Using participant observation, semi-structured interviews, and in-depth, key informant interviews, an ethnographic account is provided of changes in agricultural practices made by Haitian peasants as a result of environmental changes that impact their ability to make a living in contemporary Haiti. Farmers’ primary concerns are related to an increased need for …

Sex After Gray Hair? Association Between Sexual Activity, Hugging, And Health Among Older Adults?, Chantelle Sharpe

USF Tampa Graduate Theses and Dissertations

Research on sexual behavior in late life is limited but is growing. Despite ageist stereotypes associating old age with asexuality, older adults continue to desire and engage in sexual behavior. Previous studies have examined the relationship between health and the ability to engage in sexual behavior, sexual satisfaction, desire, or interest in sex. Research has yet to examine the potential reverse of this relationship, where sexual behavior may serve as a protective factor against health outcomes.

This dissertation examined three research questions to test the relationship between sexual activity or hugging and self-reported health outcomes (e.g., arthritis and diabetes) and …

Psychopathic Traits And Substance Use In The Context Of Erotic Services And Sex Exchange Among College Students, Bethany Edwards

USF Tampa Graduate Theses and Dissertations

With increasing education expenses and characterization of our culture as “sexualized”, scholars have begun to explore student engagement in erotic services, but most research has been done outside the United States. This study tested personality correlates, prevalence and type of erotic service involvement in men and women college students in the United States. Specifically, the present study examined gender differences and whether substance use and psychopathic traits exhibit unique and/or interactive associations with both provision and consumption of erotic services among students. A total of 820 undergraduate students (54.3% women) took part in a study on personality and sexual behavior, …

The Effect Of Antigen Polymorphisms On Serological Antibody Detection Assays Based Upon The, Kristi M. Miley

USF Tampa Graduate Theses and Dissertations

Onchocerca volvulus is a filarial parasite transmitted to humans by female Simulium spp. black flies. Infection with this parasite can cause blindness and severe skin disease among humans in Africa and the Americas. Enzyme-linked Immunosorbent Assay serological testing of OV-16 antigen is a diagnostic tool for determining effective elimination of the parasite. Programs typically rely on OV–16 ELISA to evaluate the progress towards interruption and/or elimination of disease by mass drug distribution of ivermectin and vector larvicidal control efforts. As elimination grows closer, monoclonal antibody positive controls for OV-16 ELISA become important to develop for Onchocerca testing due to the …

(Dis)Enchanted: (Re)Constructing Love And Creating Community In The, Shannon A. Suddeth

USF Tampa Graduate Theses and Dissertations

This thesis examines a queer fan community for the television show Once Upon a Time (OUAT) that utilizes the social networking site Tumblr as their primary base of fan activity. The Swan Queen fan community is comprised of individuals that collectively support and celebrate a non-canon romantic relationship between two of the female lead characters of the show rather than the canonic, heterocentric relationships that occur between the two women and their respective male love interests. I answer two research questions in this study: First, how are members of the Swan Queen fan community developing counter narratives of …

Estimation Of Human Poses Categories And Physical Object Properties From Motion Trajectories, Mona Fathollahi Ghezelghieh

USF Tampa Graduate Theses and Dissertations

Despite the impressive advancements in people detection and tracking, safety is still a key barrier to the deployment of autonomous vehicles in urban environments [1]. For example, in non-autonomous technology, there is an implicit communication between the people crossing the street and the driver to make sure they have communicated their intent to the driver. Therefore, it is crucial for the autonomous car to infer the future intent of the pedestrian quickly. We believe that human body orientation with respect to the camera can help the intelligent unit of the car to anticipate the future movement of the pedestrians. To …

The Role Of Teacher-Child Verbal And Nonverbal Prompts In Kindergarten Classrooms In Ghana, Aaron Osafo-Acquah

USF Tampa Graduate Theses and Dissertations

While previous studies have examined the educational system in Ghana, there seemed to be very little or no studies that had explored participation and engagement through teacher-child interactions in early childhood education in Ghanaian classrooms (Twum-Danso, 2013). The purpose of this video-based multiple case studies qualitative study of three Kindergarten classrooms in Cape Coast in the Central Region of Ghana was to identify verbal and nonverbal prompts that related to children’s participation in Ghanaian Kindergarten classroom settings. The data for the study were secondary, having been collected by a team of researchers for the New Civics Grant Program in an …

Machine Learning And Adaptive Signal Processing Methods For Electrocardiography Applications, Calvin A. Perumalla

USF Tampa Graduate Theses and Dissertations

This dissertation is directed towards improving the state of art cardiac monitoring methods and automatic diagnosis of cardiac anomalies through modern engineering approaches such as adaptive signal processing, and machine learning methods. The dissertation will describe the invention and associated methods of a cardiac rhythm monitor dubbed the Integrated Vectorcardiogram (iVCG). In addition, novel machine learning approaches are discussed to improve diagnoses and prediction accuracy of cardiac diseases.

It is estimated that around 17 million people in the world die from cardiac related events each year. It has also been shown that many of such deaths can be …

Exploring Nutritional Needs, Roles, And Expectations Of Latina Breast Cancer Survivors, Pamela Carolina Birriel

USF Tampa Graduate Theses and Dissertations

Latina breast cancer survivors, especially those who have undergone chemotherapy, may face major disruptions to their diet and eating habits; and a major concern is their ability to function in daily life roles throughout survivorship. Food and nutrition are suggested to be significant factors that can influence the process of cancer development, yet little research has been done to understand the nutritional needs, roles, and expectations among Latina breast cancer survivors. The purpose of this study was to understand Latina breast cancer survivors’ perceptions of the role of diet and nutrition in helping them cope with the effect of chemotherapy …

Force Compensation And Recreation Accuracy In Humans, Benjamin Rigsby

USF Tampa Graduate Theses and Dissertations

As industry becomes increasingly reliant on robotic assistance and human-computer interfaces, the demand to understand the human sensorimotor system’s characteristics intensifies. Although this field of research has been going on for over a century, new technologies push the limits of the human motor system and our knowledge of it. With new technologies come new abilities, and, in the area of medical care and rehabilitation, the need to expand our knowledge of the sensorimotor system comes from both the patient and physician.

Two studies relating to human force interaction are presented in this thesis. The first study

focuses on humans’ ability …

Early Childhood Mathematics Through A Social Justice Lens: An Autoethnography, Jennifer Ward

USF Tampa Graduate Theses and Dissertations

The purpose of this autoethnography was to explore the experiences, both successes and challenges, as I worked to teach mathematics using a social justice framework in a summer enrichment camp with four and five-year-old children. Drawing from both critical approaches (Freire, 1968) and sociocultural approaches (Rogoff, 2008), this dissertation outlines critical perspectives within Early Childhood Education, as well as trends in teaching mathematics for social justice to frame the research study. Autoethnography was selected as a methodological approach in this study as I examined my own teaching experiences and journey engaging in teaching mathematics for social justice. Primary data sources …

Examining Cross-Cultural Affective Components Of Global Competence From A Value Perspective, Nadia Awaida-Nachabe

USF Tampa Graduate Theses and Dissertations

The purpose of this study was to explore perceived importance of cultural values and affective components in the Middle East and North Africa (MENA) region and their relationships. This study identified which of the nine affective components of global competence and four higher order cultural values were perceived to be important in the MENA region. It also examined the correlations between cultural values and affective components and whether significant differences existed based on gender, age, and country of citizenship.

This research involved the combination of Wallenberg-Lerner’s Affective Component Questionnaire (ACQ) and Schwartz’s Portrait Value Questionnaire (PVQ). In conjunction with a …

Nonresident Paternal Factors And The Psychosocial Adjustment Of Black Adolescents From Single-Mother Households, Erica Elizabeth Coates

USF Tampa Graduate Theses and Dissertations

This study examined the role of nonresidential, Black fathers in the psychosocial adjustment of Black adolescents from single-mother households. Participants included 107 noncohabiting Black parental dyads with children between the ages of 12 and 18 years. Participants completed measures of positive parenting, parent-child relationship quality, depressive symptoms, coparenting relationship quality, and adolescents’ emotional and behavioral functioning. Results of hierarchical multiple regressions found that father factors contributed unique variance to adolescent outcomes when using father-reported and combined father- and mother-reported adolescent functioning. Coparenting relationship quality mediated the relationship between father-child relationship quality and adolescent behavioral problems when using mother-reported and combined …

Lost In The Crowd: Are Large Social Graphs Inherently Indistinguishable?, Subramanian Viswanathan Vadamalai

USF Tampa Graduate Theses and Dissertations

Real social graphs datasets are fundamental to understanding a variety of phenomena, such as epidemics, crowd management and political uprisings, yet releasing digital recordings of such datasets exposes the participants to privacy violations. A safer approach to making real social network topologies available is to anonymize them by modifying the graph structure enough as to decouple the node identity from its social ties, yet preserving the graph characteristics in aggregate. At scale, this approach comes with a significant challenge in computational complexity.

This thesis questions the need to structurally anonymize very large graphs. Intuitively, the larger the graph, the easier …

Predictive Analytics In Cardiac Healthcare And 5g Cellular Networks, Dilranjan S. Wickramasuriya

USF Tampa Graduate Theses and Dissertations

This thesis proposes the use of Machine Learning (ML) to two very distinct, yet compelling, applications – predicting cardiac arrhythmia episodes and predicting base station association in 5G networks comprising of virtual cells. In the first scenario, Support Vector Machines (SVMs) are used to classify features extracted from electrocardiogram (EKG) signals. The second problem requires a different formulation departing from traditional ML classification where the objective is to partition feature space into constituent class regions. Instead, the intention here is to identify temporal patterns in unequal-length sequences. Using Recurrent Neural Networks (RNNs), it is demonstrated that accurate predictions can be …

Validity Of A New Measure Of Phonemic Awareness That Does Not Require Spoken Responses In Children With Complex Communication Needs, Tiffany Chavers

USF Tampa Graduate Theses and Dissertations

Children with complex communication needs (CCN) routinely have difficulty attaining appropriate literacy skills. Two indicators of literacy development are the alphabetic principle and phonemic awareness (Byrne & Fielding-Barnsley, 1989). The acquisition of minimal literacy skills such as letter sound knowledge can give children with CCN the opportunity to communicate and generate their own messages, instead of being reliant on vocabulary provided by others. In order to identify appropriate intervention approaches, nonverbal assessments of phonological and phonemic awareness for individuals with CCN are needed.

The purpose of this study was to determine the reliability of the Dynamic Assessment of the Alphabetic …

Hate Is A Strong Word: The Influence Of Hate-Acknowledging Advertising On Brand Outcomes, Lisa Monahan

USF Tampa Graduate Theses and Dissertations

Given a lack of tactics for addressing brand hate, most managers tend to ignore brand haters, and instead dedicate their resources towards consumers who like or love their brand. Similarly, relative to the volume of research on positive brand emotions, the academic literature exploring negative brand emotions is limited. Moreover, research indicates that compared to positive brand information, negative brand information is more diagnostic, and ultimately more damaging.

In contrast to such findings and practices, this dissertation proposes a strategy whereby using advertising to openly acknowledge that a brand is hated (i.e. hate-acknowledging advertising) can be advantageous for corporate polarizing …