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Articles 17431 - 17460 of 27372
Full-Text Articles in Arts and Humanities
Perceptions Of School Climate And Bullying In Middle Schools, Irene Pintado
Perceptions Of School Climate And Bullying In Middle Schools, Irene Pintado
USF Tampa Graduate Theses and Dissertations
Bullying has been identified as a problem that can affect the physical and psychosocial health of both the aggressors and victims. Given the consequences for those who bully, for victims, and for the school environment, early intervention is important to minimize these risks. School staff need additional data to understand the scope of bullying and to adopt effective strategies. This study seeks to meet this need by analyzing the association of bullying behaviors and school climate perceptions of middle school students within the context of school membership. This study used Bronfenbrenner's ecological system theory. Within this framework, a bullying interaction …
Clarifying The Cohesion-Performance Relationship In Teams: Backup Behavior As A Mediating Mechanism, Matthew S. Prewett
Clarifying The Cohesion-Performance Relationship In Teams: Backup Behavior As A Mediating Mechanism, Matthew S. Prewett
USF Tampa Graduate Theses and Dissertations
The relationship between team cohesion and team performance has been extensively studied, but behavioral mediators of this relationship have not been adequately assessed. This study proposed that backup behavior mediates the relationship between team cohesion and team performance. In addition, it was also hypothesized that team goal commitment would moderate the relationship between team cohesion and team backup behavior. 138 participants forming 46 teams of three were assigned to one of fours conditions to test this framework: high cohesion/high goal commitment, high cohesion/low goal commitment, low cohesion/high goal commitment, and low cohesion/low goal commitment. Results indicated no significant differences between …
Statistical Models In Environmental And Life Sciences, Lakshminarayan Rajaram
Statistical Models In Environmental And Life Sciences, Lakshminarayan Rajaram
USF Tampa Graduate Theses and Dissertations
The dissertation focuses on developing statistical models in environmental and life sciences. The Generalized Extreme Value distribution is used to model annual monthly maximum rainfall data from 44 locations in Florida. Time dependence of the rainfall data is incorporated into the model by assuming the location parameter to be a function of time, both linear and quadratic. Estimates and confidence intervals are obtained for return levels of return periods of 10, 20, 50, and 100 years. Locations are grouped into statistical profiles based on their similarities in return level graphs for all locations, and locations within each climatic zone. A …
Educational Backgrounds And Teaching Styles Of Athletic Training Educators In Entry-Level Caahep Accredited Athletic Training Programs Valerie J. Rich, Valerie J. Rich
Educational Backgrounds And Teaching Styles Of Athletic Training Educators In Entry-Level Caahep Accredited Athletic Training Programs Valerie J. Rich, Valerie J. Rich
USF Tampa Graduate Theses and Dissertations
The purpose of this study was to describe the educational backgrounds and teaching styles of athletic training educators and to see if a relationship existed between educational backgrounds and teaching styles. An electronic survey was e-mailed to 338 Program Directors of CAAHEP accredited undergraduate and graduate athletic training education programs. The survey was also posted on the athletic training educator's listserv to recruit more participants. The survey contained questions regarding demographics and educational history, as well as the Teaching Styles Inventory (Grasha, 2002). A total of 198 athletic training educators responded to the survey, and 174 filled out the survey …
Effects Of Gopher Tortoise (Gopherus Polyphemus) Translocation On Movements, Reproductive Activity, And Body Condition Of Resident And Translocated Individuals In Central Florida, Susannah Christina Riedl
Effects Of Gopher Tortoise (Gopherus Polyphemus) Translocation On Movements, Reproductive Activity, And Body Condition Of Resident And Translocated Individuals In Central Florida, Susannah Christina Riedl
USF Tampa Graduate Theses and Dissertations
Human-caused destruction of xeric habitats in Florida that support gopher tortoises (Gopherus polyphemus Daudin) is occurring at a rapid rate. One conservation strategy that has been used for numerous taxa is translocation. The effects of translocation on the health, reproductive activity, and movements of translocated and resident telemetered individuals was evaluated for a population of gopher tortoises in central-Florida from 2001 to 2004. Only one of the 13 individuals released left the site during the study. The home range estimates of resident individuals were not significantly different before and after the release of the translocated individuals on the site, and …
Women In Nontraditional Careers, Teresa Ann Roche
Women In Nontraditional Careers, Teresa Ann Roche
USF Tampa Graduate Theses and Dissertations
In a traditional male dominated field such as construction, and automotive technology, artificial barriers and attitudes have often prevented qualified females from reaching their full potential. The late entrance of females into these fields has created very few role models for nontraditional younger females entering these professions. This study was designed to create a profile for nontraditional females working in a male dominated work force. A large percentage of females have experienced some barriers due to discrepancies in gender performance. Acceptance by peers, community and administrators, combined with the challenge of balancing family and career appears to be areas of …
Characterization Of Community-Acquired Methicillin-Resistant Staphylococcus Aureus By Pulsed-Field Gel Electrophoresis, Multilocus Sequence Typing, And Staphylococcal Protein A Sequencing: Establishing A Strain Typing Database, Jill Carolyne Roberts
USF Tampa Graduate Theses and Dissertations
Staphylococcus aureus has long been recognized as a leading cause of nosocomial infection. However, several recent publications have demonstrated this pathogen as the cause of community-acquired severe wound infections and necrotizing pneumonia in otherwise healthy individuals. These highly virulent endemic clones have been reported in several locations in the United States and Canada. The rapid spread of the organism, the ability of certain clones to cause serious infection, and the antibiotic resistance of the endemic clones, illustrates the importance of infection control measures. In this study we examined three S. aureus typing techniques; pulsed-field gel electrophoresis (PFGE), multilocus sequence typing …
Proactive Personality, Stress And Voluntary Work Behaviors, Ozgun Burcu Rodopman
Proactive Personality, Stress And Voluntary Work Behaviors, Ozgun Burcu Rodopman
USF Tampa Graduate Theses and Dissertations
The present study has two primary contributions to the existing literature linking stressors to employee reactions. First, job satisfaction and emotional exhaustion are proposed to mediate the relationship between stressors and both forms of voluntary workplace behaviors, specifically OCB and CWB. A comprehensive framework, which includes both streams of voluntary workplace behaviors (OCB and CWB) will expand the common practice of investigating them separately and helps us better understand the parallel mechanisms linked to OCB and CWB. Secondly, the role of proactive personality will be investigated to gain insights into how it relates to job attitudes and voluntary work behaviors. …
An Analysis Of The Legal Contexts Of Public Education Law: Its Judicial Interpretations And Applications With Regard To Discipline And Special Education And Non-Special Education Students In K-12 Public Schools, Janet Marie Roland
USF Tampa Graduate Theses and Dissertations
This study investigated legal implications of differential disciplinary treatment of special education and non-special education students in K-12 public schools. It focused on interpreting and applying federal and state education legislation by courts and how various judicial decisions affect discipline practices in public school systems, asking if preferential treatment was afforded to students with disabilities through implementation and interpretation of educational legislation.The historical myriad of complex legislation passed before and after inception of Public Law 94-142 in 1975 was studied, exploring relationships between school discipline of children who do and do not receive special education services. Research included review of …
Holocene Climate And Hydrologic Changes Recorded In Tufa And Lacustrine Deposits In Southern Yemen, Kirk M. Sander
Holocene Climate And Hydrologic Changes Recorded In Tufa And Lacustrine Deposits In Southern Yemen, Kirk M. Sander
USF Tampa Graduate Theses and Dissertations
Tufa and lacustrine deposits are useful paleoclimate archives in reconstructing the early to middle Holocene climate and paleohydrology of southern Yemen's Wadi Idim and Wadi Sana, which are north-flowing tributaries to Wadi Hadramawt. Numerical age estimates and oxygen-isotopes are used to assess the onset and cessation of tufa formation and reconstruct the environment of lacustrine sediment deposition in the region in order to understand the broader early to middle Holocene hydrologic system.Numerical age estimates from the studied wadis show a correspondence between early to mid-Holocene humid-phase sediment deposition and the northward shift of the ITCZ, as documented in paleoclimate records …
Precipitation Variability Of Streamflow Fraction In West Central Florida, Michael H. Scott
Precipitation Variability Of Streamflow Fraction In West Central Florida, Michael H. Scott
USF Tampa Graduate Theses and Dissertations
There is a strong interest to develop a method to estimate mean annual ungaged streamflow with varying precipitation. A method was developed utilizing GIS and other statistical analysis to estimate ungaged mean annual streamflow. This method utilizes a normalized streamflow fraction (NSF) method previously developed which relies on drainage basin area, coupled with mean annual local precipitation, to estimate the ungaged streamflow variability. This method has been applied to west central Florida.The test of the method yielded an R squared value of 0.9894, proceeded by a verification that yielded an R squared value of 0.998. This method is believed to …
Spin Polarization Measurements And Sensor Applications In Thin Films And Carbon Nanotube-Based Devices, Jeff T. Sanders
Spin Polarization Measurements And Sensor Applications In Thin Films And Carbon Nanotube-Based Devices, Jeff T. Sanders
USF Tampa Graduate Theses and Dissertations
The unique properties of carbon nanotubes (CNTs) show a great deal of potential for nanoelectronic devices, spintronic devices, biosensing and chemical sensing applications. Their applicability as interconnects for spintronic devices derives from their one-dimensionality and theoretically predicted preservation of spin current. In this work, we combine an investigation of spin polarization in materials such as half metallic oxides in thin film and bulk form with studies on several aspects of CNTs for sensing and spin transport applications. These two areas of study are intimately related within the umbrella of spin-electronics and nanoscale sensors that are being pursued with great topical …
An Investigation Of A Dual-Factor Model Of Mental Health And Related Physical Health Outcomes Among Early Adolescents, Emily J. Shaffer
An Investigation Of A Dual-Factor Model Of Mental Health And Related Physical Health Outcomes Among Early Adolescents, Emily J. Shaffer
USF Tampa Graduate Theses and Dissertations
This study investigated the mental and physical health of early adolescents (n = 339) using a dual-factor model of mental health. When employing a dual-factor model, mental well-being is not simply assumed from the absence of negative indicators of mental health (psychopathology). Rather, assessments of positive indicators of mental health (subjective well-being) are used to determine one's level of mental wellness. The current study tested the existence of a dual-factor model of mental health by examining the separability of participants' reports of subjective well-being and psychopathology. Specifically, the researcher hypothesized that the assessment of both of these constructs would result …
The Causal Effect Of Alcohol Consumption On Employment Status, Chanvuth Sangchai
The Causal Effect Of Alcohol Consumption On Employment Status, Chanvuth Sangchai
USF Tampa Graduate Theses and Dissertations
Alcohol consumption may affect labor market outcomes directly through a reduction in productivity and indirectly through human capital accumulation. However, empirical results from previous studies in the economics literature are mixed and inconclusive. While some researchers found negative effects of alcohol use on labor market outcomes, quite a few studies found either positive or insignificant effects. The purpose of this dissertation is to estimate causal effects of alcohol consumption on employment status. It uses three data sets previously unexploited for this purpose and attempts to eliminate any potential estimation problems from previous studies. The results show that previous problematic heavy …
Growth And Physical Properties Of Magnetite Thin Films, Chamila S. Siyambalapitiya
Growth And Physical Properties Of Magnetite Thin Films, Chamila S. Siyambalapitiya
USF Tampa Graduate Theses and Dissertations
This project focused on two aspects of magnetite thin films. The first was to find optimum parameters and conditions for deposition of stoichiometeric Magnetite films using pulsed laser deposition (PLD). The second aspect was the characterization of the magnetic and electrical properties in order to broaden the spectrum of understanding of PLD Magnetite films. These properties were also investigated in terms of the substrates on which the films were deposited. Discussed in this thesis are deposition parameters, structural characteristics, magnetic and electrical characteristics of the films in terms of different substrates and film thicknesses. The discussion consists of structural parameters …
Advancements In Rapid Load Test Data Regression, Michael Jeffrey Stokes
Advancements In Rapid Load Test Data Regression, Michael Jeffrey Stokes
USF Tampa Graduate Theses and Dissertations
Rate-dependent effects introduced during rapid and/or dynamic events have typically been oversimplified to compensate for deficiencies in present analyses. As load test results are generally considered as the basis of performance from which foundations can be designed, it is imperative that the analyzed load test data be as accurate as possible. In an attempt to progress the state of load test data regression, this dissertation addresses two common assumptions made during the regression process: (1) the statnamic damping coefficient is constant throughout the entire load test and (2) the concrete stress-strain relationship is linear-elastic. Also presented is a case study …
The Effect Of Transportation Subsidies On Urban Sprawl, Qing Su
The Effect Of Transportation Subsidies On Urban Sprawl, Qing Su
USF Tampa Graduate Theses and Dissertations
This dissertation investigates transportation subsidies as sources of urban sprawl. Apart from tolls, motorists do not pay highway user-fees, but they do pay gasoline taxes. Gasoline tax revenues are insufficient to cover the U.S. highway costs. Government, therefore, uses general tax revenues to cover highway expenditures. Since users do not pay the full cost of their travel, they have an incentive to travel longer commuting distances. Highway subsidies are, therefore, a potential contributor to urban sprawl. A similar argument applies to public transit. To capture the effects of subsidized automobile and public transit travel, we ex-tend the standard urban spatial …
8-Isoprostane Levels In Exhaled Breath Condensate Of Pregnant Women Compared To Non-Pregnant Women; Is There A Baseline Difference?, Rosemary Szollas
8-Isoprostane Levels In Exhaled Breath Condensate Of Pregnant Women Compared To Non-Pregnant Women; Is There A Baseline Difference?, Rosemary Szollas
USF Tampa Graduate Theses and Dissertations
This study investigated whether or not there was an overall difference in the pulmonary oxidative marker, 8-isoprostane (PGF2-a), found in exhaled breath condensate, during pregnancy versus the non-pregnant state. The utility of this information was important secondary to the effect of maternal asthma on pregnancy and outcome, as it has been demonstrated in past studies that overall pregnant females with asthma have been shown to have an increased risk of exacerbation requiring medical intervention.The primary goal of this study sought to determine if there is a difference in PGF2a levels in the exhaled breath condensate of pregnant versus non-pregnant females. …
Underwater Frp Repair Of Corrosion Damaged Prestressed Piles, Kwangsuk Suh
Underwater Frp Repair Of Corrosion Damaged Prestressed Piles, Kwangsuk Suh
USF Tampa Graduate Theses and Dissertations
The goal of the dissertation was to quantify the role of FRP in repairing corroded prestressed piles in a marine environment and to demonstrate the feasibility of using it for field repairs. Three laboratory studies and two field demonstration projects were undertaken to meet this goal.In the first study, corroded specimens were repaired under water and tests conducted to determine the extent of strength retained immediately after wrapping and after further accelerated corrosion. Results showed that the underwater wrap was effective in restoring and maintaining lost capacity in both situations.The second study attempted to determine the effectiveness of FRP for …
An Examination Of The Interaction Between Exemplary Teachers And Struggling Writers, Betty Ruth Sylvester
An Examination Of The Interaction Between Exemplary Teachers And Struggling Writers, Betty Ruth Sylvester
USF Tampa Graduate Theses and Dissertations
This study examined the interactions between teachers of writing and struggling writers. There were two main research questions: (1) What is the nature of the interaction between exemplary teachers of writing and struggling writers? (2) What arethe responses of struggling writers to exemplary teachers' scaffolding? To answer these questions, qualitative analysis was conducted on data. Two struggling writers were selected for the study based on their responses to the Writers Self-Perception Scale,writing samples, and teacher recommendation. Data collection included observation in two separate fourth grade classrooms during the writing block for 30 days. Data sources included audio-recording of writing instruction …
A Descriptive Study Of Students’ Perspectives On Controversial Issues Embedded In A College Environmental Science Course, Chyrisse P. Tabone
A Descriptive Study Of Students’ Perspectives On Controversial Issues Embedded In A College Environmental Science Course, Chyrisse P. Tabone
USF Tampa Graduate Theses and Dissertations
This qualitative study described non-science undergraduate majors' responses to controversial issues embedded in an introductory level environmental science course in a liberal arts college located in the southeastern United States. Participants enrolled in this 12-week summer course were both traditional college-age (late teens to early twenties) and non-traditional age student (thirties to fifties). Approximately 76 percent were female. Students demonstrated various lifestyles (e.g., gay, single-parent, living at home), socioeconomic statuses (e.g., middle-income, low income), employment (e.g., employed, unemployed, ex-military) and ethnicities. The structure of the environmental science course was consistent with the science education reform movement standards applied to K-12 …
Factors Influencing Special Educators’ Perspectives Regarding The Reintegration Of Special Education Students, Brandi L. Tanner
Factors Influencing Special Educators’ Perspectives Regarding The Reintegration Of Special Education Students, Brandi L. Tanner
USF Tampa Graduate Theses and Dissertations
The purpose of this investigation was to obtain information about special educators' perceptions of the reintegration of special education students into general education classrooms and factors affecting their reintegration decisions. Reintegration is the process of determining when it is appropriate to fade and eventually remove special education services for a student. Special educators often are in a good position to both initiate and facilitate this process. The current study surveyed special educators. Participants read vignettes depicting special education students with mild disabilities and answered a set of survey questions regarding their perceptions about reintegrating the students into the general education …
“This Is Not A Politburo, But A Madhouse,” The Post World War Ii Sovietization Of East Germany Up To The 1953 Worker’S Uprising, Rush H. Taylor
“This Is Not A Politburo, But A Madhouse,” The Post World War Ii Sovietization Of East Germany Up To The 1953 Worker’S Uprising, Rush H. Taylor
USF Tampa Graduate Theses and Dissertations
The end of World War II brought forth many problems for the allies that had not been completely resolved by the victors. One of the most important was what to do with the defeated Germany. Within the first decade after World War II, the division of the former German superpower had become the front line of the Cold War between the United States and the Soviet Union. In the first eight years after the war (1945-53) East Germany, the Soviet controlled sector, quickly became 'Stalin's unwanted child' and was the first communist country to rebel against the imposed Soviet style …
Ethnic Differences In Body Mass Index, Christine Anne Vaughan
Ethnic Differences In Body Mass Index, Christine Anne Vaughan
USF Tampa Graduate Theses and Dissertations
The greater body mass of African American females relative to Caucasian females is a well-documented finding implicated in ethnic disparities in health outcomes. The principal aim of the current study was to evaluate a theoretical account that may explain ethnic differences in body mass index. The proposed theoretical account focused on appearance-related concerns regarding the desirability of a thin body type as motivation to engage in weight control behavior. It was hypothesized that Caucasians would evidence greater internalization of the thin ideal than African Americans, which would then be associated with greater dietary restriction and physical activity, thereby predicting lower …
Design And Synthesis Of Core Structural Intermediates For Novel Hiv-1 Protease Inhibitors & Synthesis, Biological Activity And Molecular Modeling Of Novel 20s Proteasome Inhibitors, Kiran Kumar Venkata Raja Avancha
Design And Synthesis Of Core Structural Intermediates For Novel Hiv-1 Protease Inhibitors & Synthesis, Biological Activity And Molecular Modeling Of Novel 20s Proteasome Inhibitors, Kiran Kumar Venkata Raja Avancha
USF Tampa Graduate Theses and Dissertations
HIV-1 protease binds to its peptide/protein substrates in extended conformations. Therefore protease inhibitors that are constrained to form extended conformations are likely to produce very active protease inhibitors. This is because they are pre-organized to form favorable interactions with the enzyme environment immediately surrounding the active site. With this hypothesis in mind, we designed a family of structurally related molecules, which contain dipeptide analogs constrained to adopt the extended conformation. Core structural intermediates that are required for the total synthesis of the novel class of HIV-1 protease inhibitors are outlined in Chapter One. Chapter Two discusses the enantioselective synthesis of …
Understanding Activity Engagement And Time Use Patterns In A Developing Country Context, Amlan Banerjee
Understanding Activity Engagement And Time Use Patterns In A Developing Country Context, Amlan Banerjee
USF Tampa Graduate Theses and Dissertations
Flourishing economy, rapid industrialization and increasing trend of motorization have been shaping societies in the developing countries like India in an unprecedented manner.Infrastructure backlog amid such rapid growth in all imaginable directions has heavily exacerbated the urban transport crisis in these countries by alarming increase in vehicular travel demand, road fatalities, and environmental pollution. To address urban transport challenges, the necessary development and implementation of effective transport planning and policies have generally lagged in the developing countries compared to that seen in the developed countries due to several constraints including resource constraints, knowledge constraints, institutional constraints and so on. However, …
Development Of Ganglioside-Based Assays For The Identification Of Botulinum And Cholera Toxins Utilizing An Evanescent Wave Biosensor, Crystal M. Bedenbaugh
Development Of Ganglioside-Based Assays For The Identification Of Botulinum And Cholera Toxins Utilizing An Evanescent Wave Biosensor, Crystal M. Bedenbaugh
USF Tampa Graduate Theses and Dissertations
An evanescent wave fiber-optic biosensor was used in an effort to develop an assay for the rapid detection of two biological toxins: cholera toxin and botulinum toxin. The Analyte 2000 fiber-optic biosensor utilizes a sandwich immunoassay format. Gangliosides or liposomes are directly adsorbed to the surface of the fiber-optic waveguide through hydrophobic interactions. The waveguide is exposed to a sample containing the toxin of interest, then subsequently exposed to a polyclonal detection antibody conjugated to the fluorophore cyanine 5. Excitation light from a 635nm laser diode is propagated through the waveguide and fluorescent molecules within approximately 100nm of the waveguide …
Community Of Practice As Community Of Learners: How Foreign Language Teachers Understand Professional And Language Identities, Ruth Ban
USF Tampa Graduate Theses and Dissertations
This study seeks to understand the transmogrification of four Mexican foreign language teachers as they participate in a teaching exchange in American schools throughout the United States. Previous research into development of competent membership in given communities of practice points to the need for mutual engagement with other community members, an understanding of the community activity, and a shared repertoire among community members. Framed within an activity theory perspective, the present study examined how the teachers's socio-historical background, cultural tools and artifacts, along with other pedagogical activities, community rules, and division of labor mediated the teachers' understanding of their professional …
Evolutionary Genetics Of The Family Placobranchidae (Mollusca: Gastropoda: Opisthobranchia: Sacoglossa), Anna Lee Bass
Evolutionary Genetics Of The Family Placobranchidae (Mollusca: Gastropoda: Opisthobranchia: Sacoglossa), Anna Lee Bass
USF Tampa Graduate Theses and Dissertations
Members of the family Placobranchidae have been the focus of numerous studies because of their interesting physiological adaptations (kleptochemistry and kleptoplasty) and ecological associations with marine algae. More than 100 species have been described since the 1800's, but no determination of phylogenetic relationships in the family has occurred. DNA sequences from two mitochondrial genes (large subunit ribosomal and cytochrome c oxidase subunit I) and one nuclear gene (Histone 3) were used to reconstruct relationships among 34 nominal species within the Placobranchidae. Strong support for terminal nodes was found using Bayesian phylogenetic methods; however, a "soft" polytomy was detected at internal …
Teaching Philosophy And Practices Among Chemistry Faculty Attending Mid Project Workshops : Implications For Reform In Chemistry, Beverly Dee Barker
Teaching Philosophy And Practices Among Chemistry Faculty Attending Mid Project Workshops : Implications For Reform In Chemistry, Beverly Dee Barker
USF Tampa Graduate Theses and Dissertations
Over the past decade over 600M in funding has been devoted to bringing about reform in science education, but little is known about who is implementing reform, the extent of reform implementation and how educational contexts differentially impact reform innovations. This dissertation explores the results of the Multi-Initiative Dissemination Project (MID Project), a national curriculum reform program that was designed to propagate reform pedagogy among undergraduate chemistry faculty in faculty development workshops. We analyzed data from surveys, in-class observations and faculty interviews to explore the relationships between the participant faculty demographic features and their pedagogy and teaching philosophy before and …