Digital Commons Network^™

Third-Order Frequency-Resolved Photon Correlations From A Single Quantum Dot's Resonance Fluorescence, Yamil A. Nieves González

USF Tampa Graduate Theses and Dissertations

The ability to control the photon emission from light sources has sparked an increasing interest in the field of quantum optics due to potential applications in the development of quantum technologies. Motivated by such applications, photon statistics have been a powerful investigative tool used to characterize the properties of light sources capable of emitting a bundle of N photons. As such, the first-order and second-order photon correlations continue to be researched extensively providing invaluable information about the light and the mechanism underlying its generation. Meanwhile, third-order photon correlations have remained majorly unexplored due to the high degree of experimental challenges …

The Influence Of Hate Speech On Tiktok On Chinese College Students, Tengyue Chen

USF Tampa Graduate Theses and Dissertations

The purpose of the research is whether Chinese college students' attitudes to hate speech and hate speech censorship systems will be affected by the hate speech in TikTok. Meanwhile, the research could explore the third-person effect of hate speech on TikTok on Chinese college students. An online survey was designed for this research. 658 participants who are college students in China completed the online survey. The results showed that Chinese college students believed hate speech on TikTok would affect themselves, while others will affect less by hate speech. The results also stated that the attitude toward the censorship system affects …

Evaluating The Use Of Behavioral Skills Training To Teach Assertiveness Skills To College Students, Kayla Rogover

USF Tampa Graduate Theses and Dissertations

Research on assertiveness skills has mostly involved the use of self-report measures. However, self-report has been noted to be highly inaccurate (Bernard et al., 1984). Only one unpublished study has explored a behavioral analytic perspective of assertiveness demonstrating behavioral skills training (BST) to be effective in teaching assertiveness skills. Thus, this study evaluated the effectiveness of BST to teach assertiveness skills to college students and whether the skills would generalize to novel therapist. Results of the study suggest BST was effective for teaching assertiveness skills to college students, the skills generalized to a novel therapist, and maintained at follow-up.

Limited Point Of Care Ultrasound Clinical Decision Support Model For Work-Related Injuries Of The Shoulder Utilizing Bayesian Network, Gwen Marie Ayers

USF Tampa Graduate Theses and Dissertations

This descriptive retrospective cohort study utilized a large Workers Compensation insurance database. Included in this study were 481 shoulder MRI's performed during calendar year 2017 that were (a) at least 2 weeks after the initial clinic visit, or (b) greater than 6 weeks after injury, but (c) not more than 3 months after the date of injury. Of the 481 cases, 432 were used to evaluate potential associations between the measured variables and generate a Bayesian network prediction model where only a few variables were required to accurately guide clinical decision making for rotator cuff and biceps tendon injuries. The …

The Social Correlates Of War: Conflict Correlations Within Belief Systems., Richard R. N. Decampa

USF Tampa Graduate Theses and Dissertations

Previous cross-national research concerning the political or economic factors that lead to international conflict tends to focus on leadership by elites, anarchic security, or democratic peace. However, less quantitative cross-national research focuses on how religious and national belief systems impact international conflict. Previous research suggests that value systems, such as religiosity and nationalism should impact conflict, though there is little cross-national empirical evidence to support these claims. Thus, I expand on this work by testing the relationship between several variables that represent religiosity and nationalism and the initiation and escalation of conflict between nation states. The main dependent variables are …

Quality Of Life Of Older Adults With Complicated Grief Receiving Accelerated Resolution Therapy: A Mixed Methods Study, Tina M. Mason

USF Tampa Graduate Theses and Dissertations

Background: It is estimated that 10-15% of bereaved people in the general population are experiencing prolonged, complicated grief after a loss. Persons with complicated grief experience a disruption of usual, pre-death activities, destructive thoughts and actions, and can develop or find a worsening of comorbidities and impairments. All of these, in turn, worsen the experience. Complicated grief reactions can compound the stress of the loss, disrupting the normal functioning of the central nervous, immune, cardiovascular, neuroendocrine, and gastrointestinal systems, which in turn can contribute to poor quality of life for the surviving family member. However, due to a paucity of …

Social Cues In Animated Pedagogical Agents For Second Language Learners: The Application Of The Embodiment Principle In Video Design, Sahar M. Alyahya

USF Tampa Graduate Theses and Dissertations

This study investigated the involvement of the Social Agency Theory within a multimedia learning environment to improve English language proficiency. The primary aim of this study is to find the effects of designing language learning instructional videos following the embodiment principle on language learners’ motivation, cognitive load and performance in production of the target language. According to Social Agency Theory, when multimedia learning includes social cues like an on-screen agent with humanlike features (e.g., hand gestures, body movements, eye contact, and facial expressions), the quality of learning will be increased. To examine the effect of the embodiment principle, the study …

The Relationship Between New Graduate Registered Nurse Knowledge, Experiences, Attitudes, And Age Bias Toward The Older Adult, Michelle Fox

USF Tampa Graduate Theses and Dissertations

There had been a lack of research on the relationship between a new graduate Registered Nurses’ knowledge, experiences, attitudes, and age bias toward older adults. The purpose of this study was to investigate whether there was a relationship between new graduate Registered Nurses’ knowledge, experiences, attitudes, and age bias toward older adults.

The researcher used correlational, non-experimental, quantitative design for this study. The instruments used in this study were the Facts on Aging Quiz, the Kogan Attitude Toward Old People scale, and a demographic questionnaire. Descriptive statistics were used to analyze the demographic data and correlation coefficients were used to …

Does Better A1c Control Worsen Osteoarthritis? An Electronic Health Record Cross-Sectional Study, Sarah C. Cattaneo

USF Tampa Graduate Theses and Dissertations

Obesity is a major risk factor for osteoarthritis (OA). There is evidence that diabetes also increases risk. Our hypothesis is that A1C is a predictor of OA severity. The aim is to investigate the association between A1C, BMI, and knee and hip OA severity. This is a cross-sectional study within the Veterans Health Administration (VHA) database containing 818 patients with diagnosed diabetes. Patients at one VHA facility with recorded diabetes in fiscal year 2020 were identified. A1C and BMI data was obtained from the electronic health record. Chart reviews were performed to collect data on imaging reports of weight-bearing joints …

Synthesizing Laccol Based Polymers/Copolymers And Polyurethanes; Characterization And Their Applications, Imalka Marasinghe Arachchilage

USF Tampa Graduate Theses and Dissertations

In modern world research scopes are highly favored the areas of developing new polymer materials which are more integrated with the environment. Synthesizing eco-friendly, bio degradable polymer materials to replace petroleum based synthetic polymers to utilize in radiation hard applications is one of the main objectives of this study. 'Laccol' extracted from Vietnamese lacquer tree (Toxicodendron succedanea) polymerized with other monomers namely styrene and d-limonene (from citrus waste) respectively to develop copolymers via cationic polymerization. Laccol contains hydroxyl phenyl groups that act as radical scavengers, enhancing radiation resistance via their ability to convert excitation energy into non-chemistry inducing energy in …

The Differential Effects Of Navigational Aids On Adults With Intellectual Disabilities, Virginia Morash-Macneil

USF Tampa Graduate Theses and Dissertations

This study examined the differential effects of a GPS based navigational app displayed on a smartwatch and a paper map on the ability of individuals with mild to moderate intellectual disabilities (ID) to independently navigate unfamiliar walking routes. A single case alternating treatment design was used to compare the effectiveness of these navigation supports on independent pedestrian navigation. Five adults ranging in age from 26 to 45 with mild to moderate ID participated in the study. Visual analysis and the comparison of means between treatments indicate an increase in performance during the app treatment phase for all participants. Overall, all …

Credibility Of Spokespersons And E-Cigarette Prevention Messages: Elaboration Likelihood Model And The Moderating Role Of Perceived Risk, Emmanuel Maduneme

USF Tampa Graduate Theses and Dissertations

E-cigarettes also referred to as vapes or Electronic Nicotine Delivery Systems (ENDS) were developed as a safer alternative to tobacco smoking, but the prevalent usage among young adults has led to deleterious mental and physical health challenges. Communications interventions against e-cigarette use have employed a variety of message strategies, but one that has not received a lot of attention is the credibility of a spokesperson and the impacts it could have. Grounded in the Elaboration Likelihood Model, the current study aimed to examine the impacts of spokesperson credibility in e-cigarette prevention messages, and the moderating role of perceived risk.

The …

Stakeholder Experiences With Arts-Based University-Community Partnerships In General Education, Veronica Leone Matthews

USF Tampa Graduate Theses and Dissertations

University-community partnerships (UCPs) have significant potential as a way for universities to connect with communities and provide students with High Impact Practices (HIPs). Despite over 20 years of literature calling for increased community engagement, institutions of higher education have been slow to integrate UCPs into the General Education curriculum. Certain components have been identified as necessary for the effectiveness and sustainability of UCPs. However, little is known about the experiences and perceptions of key stakeholders including students, faculty, and community partners who participate in arts-based UCPs. This study investigated these stakeholders’ perceptions regarding participating in arts-based UCPs as part of …

Saudi Teachers’ Perceptions Of Rough-And-Tumble Play In Early Learning, Rana Alghamdi

USF Tampa Graduate Theses and Dissertations

This study explored teachers’ perceptions of rough-and- tumble (R&T) play in early childhood education in Saudi Arabia. The literature on rough-and-tumble play in Saudi Arabia is limited in scope, and more research is needed to explore teachers’ perceptions on this type of play for early learners. The pertinent literature reveals that R&T play, which includes running, jumping, fighting, wrestling, chasing, pulling, pushing, and climbing, among other rough playful activities, can positively impact learning and development across psychosocial, emotional, and cognitive domains. Teachers’ understanding of R & T play is key, and the attitudes of Saudi early childhood teachers who are …

Bone Microenvironmental Control Of Skeletal Malignancy, Chen Hao Lo

USF Tampa Graduate Theses and Dissertations

Bone is a common site of metastasis for many solid malignancies. Bone-metastatic cancers pose a significant clinical problem worldwide and is among the main causes for cancer patient morbidity and mortality. Patients with advanced bone-metastatic diseases often present with either osteolytic or osteogenic bone diseases as their cancers progress. These bone pathologies are products of the cancer co-opting the local bone remodeling stroma to yield important growth nutrients and factors. Unfortunately, skeletal metastases remain incurable and are fatal. Identifying and understanding the causal multicellular and molecular interactions underlying skeletal malignancies can yield crucial ideas for targeting and inhibiting disease progression. …

Plastic Pollution In Urban Rivers: Spatial And Temporal Patterns Of Plastic Release And Transport, Charlotte Juliane Haberstroh

USF Tampa Graduate Theses and Dissertations

This dissertation investigates plastic release and transport in urban rivers with a focus on the driving spatial and temporal factors. Plastic is a key pollutant of this century that affects humans and the environment around the world. Rivers are a focal point of release and management, as they concentrate and accumulate plastics from urban watersheds and convey them to the world’s oceans.

This research assessed cross-sectional, longitudinal, and seasonal patterns of plastics in rivers, and evaluated the role of urban pollution and watershed hydrology. A detailed background is provided in the literature review. This work is built on two case …

Success And Sustainability Of Sponsored International Development Programs In Education: A Narrative Inquiry, Sara Beth Leikin

USF Tampa Graduate Theses and Dissertations

In a 2008 working paper published by the U.S. Agency for International Development, the authors lamented that, despite billions of dollars in investment in global education initiatives, access to education had been improved in targeted areas, but the return on investment with regards to learning outcomes was “much less impressive” (Gillies & Jester Quijada, 2008). From 2012-2017, USAID engaged in the Egypt STEM Schools Project (ESSP) along with four partner organizations with the goal of building model science and mathematics public schools that would challenge the educational status quo by providing students with hands-on, constructivist learning and providing an alternative …

Problematizing Florida’S Extended Reading Time Policy: A Critical Investigation Of Place, Demographics, And Curricula, Carrie L. Gentner

USF Tampa Graduate Theses and Dissertations

The purpose of this study was to investigate Florida’s extended reading time (ERT) policy as enacted during the 2016-2017 school year. This policy requires elementary schools ranking among the 300 lowest performing in the state, as measured by state assessments, to provide an additional hour of reading instruction beyond the regular school day. Extending upon the work of a pilot study suggesting an overrepresentation of minoritized students within low 300 schools, this study presents the geographic, demographic, and socioeconomic distributions of the ERT mandate for a criterion sample of seven districts. Further, the pilot study indicated an underrepresentation of minoritized …

Resilience And Burnout In Second- And Third-Year Medical Students, Chad E. Whistle

USF Tampa Graduate Theses and Dissertations

Between their second- and third-years of medical school, students must pass the United States Medical Licensing (USMLE) Step 1 exam. This high-stakes exam is critical to the overall success of medical students; the score has been a determining factor for the student’s residency training and specialty choice. Because medical students are faced with the burden of studying and concept mastery of content for USMLE Step 1, concurrent to ongoing coursework in the medical school curriculum, students may develop symptoms of burnout and be ill-prepared to remain resilient. This study investigated the extent of the relationship between burnout and resilience in …

Persistence Like A Mother: Nursing The Narrative Toward Doctoral Completion In English Education—A Poetic Autoethnography, Krista S. Mallo

USF Tampa Graduate Theses and Dissertations

In this poetic autoethnography, exploration of the feeling and the experience of developing persistence as an English Education doctoral student mother is expressed through analysis of artifacts gathered over a 20-year period inclusive of the years of graduate study, becoming and remaining an English teacher and professor, while paralleling the mothering years. A metaphorical parallel is established between breastfeeding and completing the doctoral degree, thus the phrase "nursing the narrative." Expression is storied through poetry in the voices of the persona of the English teacher, the mother, the doctoral student, and the intersectionality of the roles of each as the …

Saudi Early Childhood Educators' Perceptions Of Gender Roles In Children's Dramatic Play, Dalal Alanazi

USF Tampa Graduate Theses and Dissertations

This study was conducted in a unique time of cultural and social change in Saudi Arabia. The new Saudi Vision 2030 promotes gender equality, and it is within this context that I investigated four Saudi preschool teachers’ perceptions of children’s gender roles in dramatic play. I focused on how the teachers have responded to the current move to think differently about gender roles in the Saudi context and the relevant policy changes. Rogoff’s sociocultural theory, which highlights the significance of cultural contexts on peoples’ perceptions, framed the study. I conducted semi-structured interviews with the four Saudi teachers. As a result …

Forensic Accounting Education, Practice, And Career Path In Saudi Arabia, Mohammed Alzahrane

USF Tampa Graduate Theses and Dissertations

The various high-profile cases of financial fraud that threatened to or led to the downfall of high ranking companies have reinforced the need to equip accounting professionals with the skills necessary to detect and investigate fraud. This study aims to evaluate forensic accountants' effectiveness in Saudi Arabia in meeting the needs of the judicial system and their clients. The study also seeks to explore forensic accounting in depth through the opinions, thoughts, concerns, conceptualizations, and experiences of Saudi judges who are routinely involved in forensic accounting cases. These cases often require expert testimony (i.e., cases involving, but not limited to, …

Analysis Of The Self-Directed Learning Readiness Of New Graduate Registered Nurses, Denise Hain

USF Tampa Graduate Theses and Dissertations

Self-directed learning readiness is the level of ability and willingness to manage one’s own learning. Research has been conducted on the self-directed learning readiness of both student nurses and professional nurses. However, research has not expanded to focus on the self-directed learning readiness of new graduate Registered Nurses entering the workforce. The purpose of this study was to identify the self-directed learning readiness of new graduate Registered Nurses entering the workforce in a hospital setting. The study examined their self-directed learning readiness profile; the differences in scores based on nursing degree, nursing program, and age; and the differences in scores …

A Case Study: School Professionals’ Perspectives On Students Exiting Middle School Entering An Achievement High School, Joy Davis Lee

USF Tampa Graduate Theses and Dissertations

Each year approximately 1.3 million students dropout of high school and an estimated 40% of minority students do not graduate on time (Roybal, Thornton, & Usinger, 2014). In high school, 22% of students repeat 9th-grade classes because students fail to make a smooth transition. This gives the 9th-grade the highest enrollment rate and the highest dropout rate (McCallumore & Sparapani, 2010). In an effort to increase high school graduation rates, the Peabody County Public School District created Achievement schools, an initiative to recruit highly effective administrators, teachers and staff members to support students with the highest academic and nonacademic needs. …

Multilayered Transmission Lines, Antennas And Phased Arrays With Structurally Integrated Control Electronics Using Additive Manufacturing, Merve Kacar

USF Tampa Graduate Theses and Dissertations

This dissertation presents high-performance transmission lines, antennas, and phased arrays with novel packaging techniques by harnessing design flexibilities of additive manufacturing (AM). AM enables realizing multilayered RF electronics with complex geometrical structures that are not practical using conventional fabrication methods. Design flexibilities offered by AM as customized dielectric shapes/thicknesses, dielectric properties, metallization on conformal surfaces, and structural packaging are harnessed for multilayered RF applications. Although several works demonstrated the viability of AM for antenna realizations, its capability for addressing the needs of wideband, high radiation efficiency antenna systems packaged with active RF circuit components remains relatively unexplored. The first major …

Designing Next-Generation Transportation Systems With Emerging Vehicle Technologies, Zhiwei Chen

USF Tampa Graduate Theses and Dissertations

Recent advances in computing and artificial intelligence have enabled the development of various emerging vehicle technologies, e.g., autonomous vehicles (AV) and modular autonomous vehicles (MAV). These technologies bring new scientific and engineering problems challenging transportation researchers and practitioners. This dissertation aims to develop a suite of scalable computational and analytical tools for designing and analyzing next-generation transportation systems with the MAV technologies. Also, we intend to empirically study the system impacts in terms of the quality of service, energy implications, and inequality impacts.

For MAV system design, we develop a methodological framework centering at theoretical properties of the optimal system …

Biosynthetic Gene Clusters, Microbiomes, And Secondary Metabolites In Cold Water Marine Organisms, Nicole Elizabeth Avalon

USF Tampa Graduate Theses and Dissertations

Microorganisms and invertebrate animals from cold water marine environments, such as in Antarctica and in Ireland’s deep sea, are a rich source of secondary metabolites. In this dissertation, research was centered around secondary metabolism and natural product biosynthesis. The projects include the delineation of biosynthetic gene clusters hypothesized to be responsible for the biosynthesis of the palmerolides, stratification of the microbiome of the Antarctic ascidian Synoicum adareanum, genomic and peptidomic analysis of a host-associated Antarctic Pseudovibrio sp., and isolation and characterization of secondary metabolites from the Irish deep-sea coral Drifa sp.

Palmerolide A, the principle secondary metabolite associated with S. …

Advancing Functional Scientific Literacy To Socioscientific Literacy As A Cross Disciplinary Educational Goal: A Philosophical Analysis, Kory Bennett

USF Tampa Graduate Theses and Dissertations

Educational experiences built upon the Socioscientific Issues (SSI) framework provide opportunities for teachers and students to reflectively and reflexively address ill-defined complex scientific issues that affect human beings around the planet. Through the practice of Socioscientific Reasoning (SSR), while grappling with SSI, students have the potential to develop a SSI functional perspective of scientific literacy (SL); functional scientific literacy (FSL). Due to the multidimensional complexity of many human issues in and out of the science classroom, students are required to develop various skills, dispositions, and problem-solving strategies that expand from and connect with a SSI functional perspective of SL. The …

Phenomenological Study On Lived Experiences Of Assigned Expatriates, John Alan Hennings

USF Tampa Graduate Theses and Dissertations

The academic community has researched expatriate work for over five decades, but the problems identified in the 1960s persist. This study focuses on the assigned expatriate, defined as an individual on overseas assignment for his or her employer. It uses qualitative semi-structured interviews and a phenomenological approach to answer questions research has largely ignored: What are the distinctive characteristics of life and work as an assigned expatriate? How do assigned expatriates perceive their expatriate experience? The scope includes selection, preparation, life and work abroad, and repatriation, investigating the experiences of expatriates on assignments for the U.S. military, civil government, and …

Counseling Clients With Traumatic Brain Injury: Exploring Counselors’ Perceived Knowledge, Comfort, And Self-Awareness, Michelle Bradham-Cousar

USF Tampa Graduate Theses and Dissertations

The number of traumatic brain injury (TBI) diagnoses continues to rise each year. Counseling is a critical factor in TBI treatment, and although numerous studies have investigated TBI outcomes, a paucity of researchers have studied professional counselors’ knowledge, comfort, and self-awareness when working with TBI clients. Due to the diversity of counselor caseloads, it is likely that counselors will serve clients with a dual diagnosis that includes TBI. These dual diagnoses include depression, posttraumatic stress disorder, anxiety, psychosis, or another neurocognitive disorder. The purpose of this study was to explore counselors’ knowledge, comfort, and self-awareness when working with individuals with …