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Synthesis And Characterization Of Molybdenum Disulfide/Conducting Polymer Nanocomposite Materials For Supercapacitor Applications, Turki S. Alamro

USF Tampa Graduate Theses and Dissertations

The needs for energy storage devices have kindled researchers desire to explore and synthesize nanocomposite materials. Storing energy efficiently, effectively and sustainably are the science and engineering communities’ highest priorities to develop electrochemical energy storage devices. Supercapacitors have become power solution not only because supercapacitors can bridge the gap between the traditional capacitors and rechargeable batteries but also because of many other advantages which include extraordinary electrochemical properties, wide working-temperature range, cost effective, safe operation and long/stable cycle life. They have higher current pules than batteries due to the mechanism of charging and discharging. Batteries charging and discharging via chemical …

Essays On Time Series And Machine Learning Techniques For Risk Management, Michael Kotarinos

USF Tampa Graduate Theses and Dissertations

The Capital Asset Pricing Model combined with the Sharpe ratio is a standard method for choosing assets for selection in a portfolio. However, this method has many structural issues and was designed for a time when high dimensional computing was in its infancy. An alternative to these methods using a mix of Multi-Level Time Series Clustering, the MACBETH algorithm and traditional time series techniques was constructed that minimized data loss and allow for customized portfolio construction for investors with different risk profiles and specialized investment needs. It was shown that these methods are adaptable to cloud computing environments and allow …

A Retrospective Study Of The Opioid Epidemic And Fentanyl Related Overdose Fatality Cases In A Florida West Coast Medical Examiner District Population, Anne Terese Powell

USF Tampa Graduate Theses and Dissertations

Opioids are scheduled by the propensity for misuse and abuse with a high rate of dependency and risk of fatal overdose. Opioids can be divided into different classes, including, natural, synthetic, and semi-synthetic. Opiates are naturally occurring and come directly from the opium poppy plant; whereas the semi synthetics opioids are chemical modifications of the poppy plant. Synthetic opioids attach to the opioid receptor but contain no part of the poppy plant. The increased variety and frequency in opioid prescriptions contributed to an opioid epidemic in the United States which is still on going.

According to the CDC, the opioid …

Cognitivism In School Psychologists’ Talk About Cultural Responsiveness: A Critical Discourse Analysis, Sujay Sabnis

USF Tampa Graduate Theses and Dissertations

Although there is an increase in publications on the topic of cultural responsiveness in school psychology, the research literature does not interrogate the discourse around cultural responsiveness and the modes of practices it enables. Using a preexisting dataset featuring interviews with 15 school psychologists, I analyzed the discursive formations characterizing the talk about cultural responsiveness. Data analysis using the critical discursive psychology framework illuminated the presence of cognitivism in participant talk. Critical discourse analysis drawing on Foucauldian theory of power effects revealed the ways in which cognitivism both enabled and constrained the discursive production of ‘culture’ and ‘cultural responsiveness’. Culture …

Routing And Designing Networks For Two Transportation Problems, Liu Su

USF Tampa Graduate Theses and Dissertations

Routing and designing are essential for transportation networks. With effective routing and designing policies, transportation networks can work safely and efficiently. There are two transportation problems: hazardous materials (hazmat) transportation and warehouse logistics. This dissertation addresses the routing of networks for both problems. For hazmat transportation, the routing can be regulated via network design. Due to catastrophic consequences of potential accidents in hazmat transportation, a risk-averse approach for routing is necessary. In this dissertation, we consider spectral risk measures, for risk-averse hazmat routing. In addition, we introduce a network design problem to select a set of closed road segments for …

Foreign Language Teaching Assistants' Development: How Do Their Ideal Language Teacher Selves Unfold Over Time?, Jhon Alvaro Cuesta Medina

USF Tampa Graduate Theses and Dissertations

Using Dörnyei’s (2005) L2 Motivational Self System (L2MSS) and Kubanyiova’s (2007, 2009) model of ‘possible language teacher selves’ as main theoretical frameworks, this multiple case study explored four language teaching assistants’ developmental patterns with regards to their ideal language teacher selves over a two-year period. It also examined the challenges and limitations that these TAs faced, as well as the institutional support that they received over time. The data sources from this study included semi-structured interviews, class observations, and student artifacts (teaching philosophies, ideal teacher selves and observation reflections). A thematic analysis of these sources revealed how TAs conceptualized their …

Anton Wilhelm Amo's Philosophy And Reception: From The Origins Through The Encyclopédie, Dwight Kenneth Lewis Jr.

USF Tampa Graduate Theses and Dissertations

Diversity and the concept of race are, or should be, central concerns both for the history of philosophy and for our current political reality. Within academic philosophy, these concerns are expressed in the growing demand for minority representation within the canon, which is overwhelmingly white and male, especially in early modern philosophy. Furthermore, until now, historians of philosophy have not spent the time necessary to uncover various designations such as “Negro”, “Moor”, “Ethiopian”, etc., in early modern Europe, and from there to understand how these shaped philosophical reflections on human diversity. In my research, I relate Anton Wilhelm Amo (c. …

Relationships Between Major, Performance, Time On Academic Activities, Social Activities, And Gender Of First-Year Traditional Students, Denise Darby

USF Tampa Graduate Theses and Dissertations

Higher education institutions are tasked with providing opportunities in and out of the classroom that provide students opportunities for a successful college experience. First year student expectations of the college experience initially influence selection of academic and social activities. Unmet or unrealistic expectations may lead to poor academic outcomes, stunted social development, and attrition.

This study focused on traditional first year students at the onset of their college career. Through selection of anticipated field of major study, GPA, and extracurricular activities, students initially identify potential academic activities and potential social activities. This study provided quantitative data in an effort to …

How The Heart Became Muscle: From René Descartes To Nicholas Steno, Alex Benjamin Shillito

USF Tampa Graduate Theses and Dissertations

This dissertation addresses the heartbeat and the systems of natural philosophy that were used to explain it in the 17th century. Thus, I work in two domains of explanation. The first domain is physiology, in which William Harvey correctly ordered the heart’s systolic and diastolic motions, while René Descartes incorrectly reversed them. By looking at Harvey and Descartes’ more complete physiological models I reconsider the controversy that spun out of their divergent accounts. The second domain is the junction of physics and metaphysics, representing the frameworks of natural philosophy behind physiology. I argue that Harvey’s physiology was correct while his …

Environmental Legacies Of Pre-Contact And Historic Land Use In Antigua, West Indies, Anthony Richard Tricarico

USF Tampa Graduate Theses and Dissertations

Hurricanes Irma and Maria have recently demonstrated once again the susceptibility of contemporary populations across the Caribbean to climate-driven events. For islands such as Antigua in the eastern Caribbean, this vulnerability is partly a legacy of prior land use. As such, the actions of pre-Contact and historic period inhabitants are intertwined with contemporary socio-ecological challenges faced by Antiguans today. This research sought to understand the relationship between land use and land degradation from ca. AD 100 to the present in eastern Antigua utilizing two markers of anthropic activity: soil stability and soil quality. Specifically, this research sought to examine how …

Effects Of A Spanish Phonological Awareness Intervention On Latino Preschoolers' Dual Language Emergent Literacy Skills, Xigrid T. Soto

USF Tampa Graduate Theses and Dissertations

Young children’s emergent literacy skills, particularly phonological awareness (PA) and alphabet knowledge (AK), are two of the strongest predictors of future reading skill. There is limited research evaluating the effectiveness of emergent literacy interventions on the dual language PA and AK skills of at-risk Latino preschoolers who are Dual Language Learners (DLLs). The bulk of existing interventions are conducted only in English. There is preliminary evidence supporting that DLL Latino children benefit from Spanish PA and AK instruction; however, few studies include preschool-aged children.

This study applied a multiple probe design across units of instruction to evaluate the effects of …

Effects Of Medications With Anticholinergic Properties And Opioids On Cognitive Function And Neural Volumetric Changes In Elderly Australians, Malinee Neelamegam

USF Tampa Graduate Theses and Dissertations

Introduction: Multiple comorbidities are common among older adults. Pharmaceutical interventions are the most common form of medical management of the multiple health conditions that the older adult population faces. Almost 90% of adults aged 65 years and above take at least one prescription medication. Polypharmacy (5 medication or more) occurs with 50% of the older adult population. Most medications used to treat common ailments affecting the geriatric population have anticholinergic properties. These medications are known to cause a range of side effects from peripheral effects to central nervous system effects. These adverse effects are of particular concern in the older …

The Underutilized Tool Of Project Management - Emotional Intelligence, Gerald C. Lowe

USF Tampa Graduate Theses and Dissertations

Previous research has typically focused on singular attributes that impact a leader’s effectiveness. This study, instead, looks at whether emotional intelligence moderates the anticipated negative effect of distributed presence on engagement and influence, and ultimately, leader effectiveness. Buttressed by emotional intelligence, engagement, and influence theories, the research question focused on how emotional intelligence skills moderate the impact of a project manager’s distributed presence to render the leader effective. The study sample for this research came from voluntary participants who work for a U.S. government agency comprising leaders co-located with their teams and distributed presence leaders. Descriptive statistics showed that leaders …

Autism And Inclusion In England’S Multi Academy Trust: A Case Study Of A Senior Leadership Team, Danielle Lane

USF Tampa Graduate Theses and Dissertations

In this study, I explore how the senior leadership team at an Academy Trust in England understands and operationalizes inclusion, particularly for pupils whose learning profile includes autism. England’s policies regarding inclusion appear to focus on the placement of pupils with disabilities in the mainstream provision; however, the Academy Trust, a specialist provision, suggests their school is inclusive. Gaining insight into the senior leadership team’s understandings and operationalization of inclusion will provide further understandings of inclusion in Multi Academy Trusts that are specialist provisions. In this study, I examine the understandings of eight members of a senior leadership team at …

How Digital Versus Non-Digital Modes Of Food Ordering Influence Menu Healthfulness Perceptions And Food Choices, Annika Abell

USF Tampa Graduate Theses and Dissertations

Do digital devices change the way we think? Recent news reports and studies in education and psychology suggest that using modern internet technology affects our cognitive abilities. Modern technology is part of our daily lives and has facilitated communication. As technology has also changed the ways consumers order foods, the present research aims at investigating how the presence of different types of technology in a food choice context might influence food perceptions and choices. Touch-screen tablets or kiosks are becoming widely available in casual dining and fast-food restaurants. In addition, through collaborations with tech-giants like Uber Eats and Amazon, an …

Statistical Analysis Of The Role Of Socio-Demographic And Health Factors In Shared Mobility Related Behaviors And Usage Likelihoods, Natalia M. Barbour

USF Tampa Graduate Theses and Dissertations

New transportation technologies and shared mobility systems have not only disrupted the market but also revolutionized the way mobility is perceived. With such rapidly progressing technology, it is likely that this transformation will continue to happen and the market will evolve further. Private and public sectors have been equally engaged in this process and new policies are being formed to accommodate this growth.

The objective of this dissertation study is to investigate how shared mobility is being perceived and utilized, and how socio-demographic and health factors affect users’ behaviors and usage likelihoods. Questionnaire surveys are designed and distributed to collect …

Phishing In Dark Waters: A Quasi-Experimental Approach With Evaluating Cyber-Security Training For End-Users, Jaclyn Martin

USF Tampa Graduate Theses and Dissertations

With the increasing amount of digital storage of personal and organizational data, there has been an increasing number of cyber-attacks, which has spurred much research on how to reduce phishing susceptibility. However, there are several gaps in the current research. There is little research on the effectiveness of different interventions on phishing susceptibility. There is no research on the differential impact of interventions on sensitivity (ability to detect phishing emails) and response bias (propensity to treat emails as threatening) or the influence of individual characteristics on phishing email training success. This study addresses these gaps using a quasi-experimental approach to …

Increasing The Supply Of The Missing Middle Housing Types In Walkable Urban Core Neighborhoods: Risk, Risk Reduction And Capital, Shrimatee Ojah Maharaj

USF Tampa Graduate Theses and Dissertations

There is a low supply of the missing middle housing types (MMH) in walkable urban core neighborhoods. That is, a variety of compact low- to mid-rise housing in walkable areas that are accessible to entertainment, recreational and other amenities. The largest demographic, the millennials, followed by the baby boomers, prefer the MMH types. The MMH types is a new name for a variety of compact housing types that existed in traditional neighborhoods in urban areas pre-World War II. However, due to changes in housing preferences after World War II, the requisite land use and zoning changes facilitated larger single-family homes …

Genetic Testing And The Power Of The Provider: Women’S Experiences With Cancer Genetic Testing, Dana Erin Ketcher

USF Tampa Graduate Theses and Dissertations

Genetic testing has become ubiquitous in contemporary society, from determining ancestry to addressing health concerns. This dissertation focused on a qualitative, feminist approach to understand women’s experiences of genetic testing for hereditary cancer syndromes, as well as their perspectives of risk. A total of 33 participants agreed to a semistructured interview and drawing of their family tree (pedigree). Eleven (40.7%) participants had been diagnosed with breast cancer, and 16 (59.3%) participants with ovarian cancer. Thirty-one (93.9%) participants had genetic testing, and of those, 17 (54.8%) had genetic counseling. Participants voiced several reasons why they wanted to undergo genetic testing or …

Genomics And Transcriptomics Approaches To Understanding Drug Resistance Mechanisms In The Malaria Parasite Plasmodium Falciparum, Justin Allan Gibbons

USF Tampa Graduate Theses and Dissertations

The malaria parasite Plasmodium falciparum is responsible for about 500,000 deaths a year and is evolving resistance to the front-line treatment of artemisinin-based combination therapy. Resistance is currently confined to South East Asia, however millions of lives will be at risk if resistance spreads to Africa. Understanding the mechanism of resistance to artemisinins would aid containment strategies to prevent the spread of artemisinin resistance. There is also an urgent need to accelerate drug discovery since drug resistance has already been documented to all existing antimalarials. Here, I report on our efforts to understand the function of the gene k13, the …

Advanced Proteomic And Epigenetic Characterization Of Ethanol-Induced Microglial Activation, Jennifer Guergues Guergues

USF Tampa Graduate Theses and Dissertations

Microglia, the resident immune cells of the brain, can exhibit a broad range of activation phenotypes and have been implicated in several diseases and disorders of the central nervous system. Here, we described a method optimized for sensitive and rapid quantitative proteomic analysis of microglia that involves suspension trapping (S-Trap) for efficient and reproducible protein extraction from a microglial cell count expected from an individual mouse brain (~300K) while also simultaneously providing the first comprehensive proteomic characterization of a novel adult-derived mouse microglial cell line. This enhanced method was used throughout all subsequent works and was especially necessary when we …

Role Of Oncogenic Protein Kinase C-Iota In Melanoma Progression; A Study Based On Atypical Protein Kinase-C Inhibitors, Wishrawana Sarathi Bandara Ratnayake

USF Tampa Graduate Theses and Dissertations

Irrespective of plentiful efforts to enhance primary prevention and early detection, the number of melanoma cases in the United States has increased steadily over the past 30 years, thus greatly affecting public health and the economy. We have investigated the effects of five novel aPKC inhibitors; 2-acetyl-1,3-cyclopentanedione (ACPD), 3,4-Diaminonaphthalene-2,7-disulfonic acid (DNDA), [4-(5-amino-4-carbamoylimidazol-1-yl)-2,3-dihydroxycyclopentyl] methyl dihydrogen phosphate (ICA-1T) along with its nucleoside analog 5-amino-1-((1R,2S,3S,4R)-2,3-dihydroxy-4-methylcyclopentyl)-1H-imidazole-4-carboxamide (ICA-1S) and 8-hydroxy-1,3,6-naphthalenetrisulfonic acid (ζ-Stat) on cell proliferation, apoptosis, migration and invasion of two malignant melanoma cell lines compared to normal melanocyte cell lines. Molecular docking data suggested that both ACPD and DNDA specifically bind to protein kinase …

Respiratory Infections And Risk For Development Of Narcolepsy: Analysis Of The Truven Health Marketscan Database (2008 To 2010) With Additional Assessment Of Incidence And Prevalence, Darren Scheer

USF Tampa Graduate Theses and Dissertations

Background and Significance: Narcolepsy is a chronic neurological disorder. These patients experience various psychiatric and physical comorbid diseases and mortality at an increased rate compared to the general population. Additionally, patients with narcolepsy experience approximately a doubling of various annual healthcare related facility visits, transactions, and costs comparatively. Narcolepsy with cataplexy is generally believed to be more prevalent than narcolepsy without cataplexy. However, incidence and prevalence estimates of narcolepsy (with or without cataplexy) vary widely with few large epidemiological studies conducted worldwide and none in the U.S evaluating these proportions in both children and adults utilizing a large health care …

Effects Of External Memory Aid Assessment And Treatment On Everyday Task Performance Of Individuals With Mild Neurocognitive Disorder, Alyssa M. Lanzi

USF Tampa Graduate Theses and Dissertations

Individuals with mild neurocognitive disorder complete many activities of daily living independently; however, they may require the use of compensatory strategies while performing everyday tasks. Compensatory strategies, such as external memory aids, incorporate a strengths-based approach to enhance the functional needs of individuals. Although external memory aids have a strong evidence-base, limited assessment tools and interventions are available to facilitate the development of individualized treatment plans that promote sustained strategy use. To better support the everyday needs of individuals with mild neurocognitive disorder and to inform clinicians who are developing interventions, the current dissertation includes four paper that examine a …

Psychological Responses To High-Intensity Interval Training Exercise: A Comparison Of Ungraded Running And Graded Walking, Abby Fleming

USF Tampa Graduate Theses and Dissertations

This study investigated the effects of ungraded running and graded walking as modalities of HIIT on enjoyment, perceived exertion, and affect. 29 healthy males and females (aged 23.3 ± 5.1) volunteered to participate in the study. Participants completed six visits to the laboratory: the first was a medical screening to ensure safety of the participants. For the second and third visits, participants completed two maximal treadmill exercise tests, one running and one walking. On the fourth visit, the speed needed for the run HIIT (running speed: 6.9 ± 1.2mph) and the grade needed for the walk HIIT (walking speed: 3.3 …

Because My Garmin Told Me To: A New Materialist Study Of Agency And Wearable Technology, Michael Repici

USF Tampa Graduate Theses and Dissertations

Wearable technologies are being adopted in increasing numbers and the market space appears poised for continued growth in virtually all areas, from medicine, to self-quantification, to sports. While the overwhelming majority of work on wearables has been done on their medical applications and their role in shaping identity, this dissertation examines the roles that wearable technologies play on the decision-making processes in athletic contexts. Using new materialism and Actor Network Theory as lenses, I attempt to break from the Cartesian model that places human subjectivity and intentionality at the center of a rhetorical situation and, rather, allow that non-human actants …

Peer Mentoring Effect On Student Satisfaction At A Two-Year Institution, Lori Scribner

USF Tampa Graduate Theses and Dissertations

Student satisfaction has been linked to student persistence with higher retention rates (Edens, 2012). A correlation has been established linking academics, social integration, and retention (Collings, Swanson, & Watkins, 2014). Peer mentoring contributes to student satisfaction by helping students adapt to the culture of the institution. Peer mentoring is a way to help with social integration. Mentoring connects academic integration, social integration, and goal commitment (Collings et al., 2014). A research study examined the relationship between a peer mentoring intervention and student satisfaction with a private two-year higher education institution. The purpose was to answer the following question: Did the …

A Comparison Of High-Tech And Low-Tech Response Modalities To Improve Student Performance And Classroom Behavior, Thomas J. Schulz

USF Tampa Graduate Theses and Dissertations

This study compared the effects of high-tech (e.g., clickers) and low-tech (e.g., response cards) active responding strategies during whole-group English language arts in two first-grade classrooms serving students with and without disabilities. The authors combined an ABAB reversal design with an alternating treatments design to compare the impact of using high-tech (clickers) and low-tech (response cards and hand raising) modalities on academic engagement, accuracy of responding, and disruptive behavior across four teacher-nominated students in two first-grade classrooms. During baseline, the teacher conducted her lesson as planned by having the students raise his/her hand to answer questions. In the intervention phase, …

Evaluating Behavioral Skills Training To Improve Individual’S With Intellectual And Developmental Disabilities Bowling Form, Margaret Green

USF Tampa Graduate Theses and Dissertations

This study evaluated the effectiveness of behavioral skills training (BST) as an intervention to improve bowling form. Three individuals with mild to moderate intellectual disability participated. A multiple baseline design was used to evaluate the changes in each participant’s bowling form. Each of the participant’s bowling form improved after BST was introduced. Two of the three participant’s performance increased with BST alone. The third participant showed minimal improvement after BST, however with the addition of a reinforcement component, the participant’s form increased substantially from baseline. The results of this study suggest BST is an effective intervention to use for improving …

Comparison Of Token Reinforcement And Monetary Reinforcement To Increase Steps In Adults With Intellectual Disabilities In A Group Home Setting, Hana Hanashiro-Parson

USF Tampa Graduate Theses and Dissertations

As the obesity rate in America continues to rise, the levels of physical activity have persistently declined at a rapid pace across all age groups. This trend is demonstrated most significantly in individuals diagnosed with intellectual disabilities (ID). Due to the high obesity rate in individuals with ID, it is crucial to find an effective intervention to increase physical activity. The purpose of this study is to compare the effectiveness of token reinforcement and monetary reinforcement for increasing physical activity among adults with ID, to assess preference for token or monetary reinforcement, and to evaluate the effects of choice of …