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2006

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The Science And Policy That Compels The Wetland Mitigation Of Phosphate-Mined Lands, Nejma Danielle Piagentini Jan 2006

The Science And Policy That Compels The Wetland Mitigation Of Phosphate-Mined Lands, Nejma Danielle Piagentini

USF Tampa Graduate Theses and Dissertations

The State of Florida ranks fifth in the world's production of phosphate. The phosphate industry relies on surface mining to withdraw the phosphate ore, and this process can devastate the natural environment. One of the most impacted natural resources is wetlands. Federal laws permit the legal destruction of wetlands providing their loss is compensated by the mitigation (i.e., the restoration, creation, or enhancement) of other wetlands, but the complexity of wetland ecosystems makes the mitigation process difficult. One of the goals of this thesis is to review the established Federal, State and non-regulatory guidelines for the development and maintenance of …

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Perceptions Of School Climate And Bullying In Middle Schools, Irene Pintado Jan 2006

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 …

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Clarifying The Cohesion-Performance Relationship In Teams: Backup Behavior As A Mediating Mechanism, Matthew S. Prewett Jan 2006

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 …

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Statistical Models In Environmental And Life Sciences, Lakshminarayan Rajaram Jan 2006

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 …

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Educational Backgrounds And Teaching Styles Of Athletic Training Educators In Entry-Level Caahep Accredited Athletic Training Programs Valerie J. Rich, Valerie J. Rich Jan 2006

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 …

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Women In Nontraditional Careers, Teresa Ann Roche Jan 2006

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 …

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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 Jan 2006

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 …

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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 Jan 2006

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 …

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Spin Polarization Measurements And Sensor Applications In Thin Films And Carbon Nanotube-Based Devices, Jeff T. Sanders Jan 2006

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 …

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An Investigation Of A Dual-Factor Model Of Mental Health And Related Physical Health Outcomes Among Early Adolescents, Emily J. Shaffer Jan 2006

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 …

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The Causal Effect Of Alcohol Consumption On Employment Status, Chanvuth Sangchai Jan 2006

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 …

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The Effect Of Transportation Subsidies On Urban Sprawl, Qing Su Jan 2006

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 …

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8-Isoprostane Levels In Exhaled Breath Condensate Of Pregnant Women Compared To Non-Pregnant Women; Is There A Baseline Difference?, Rosemary Szollas Jan 2006

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. …

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Underwater Frp Repair Of Corrosion Damaged Prestressed Piles, Kwangsuk Suh Jan 2006

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 …

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An Examination Of The Interaction Between Exemplary Teachers And Struggling Writers, Betty Ruth Sylvester Jan 2006

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 …

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A Descriptive Study Of Students’ Perspectives On Controversial Issues Embedded In A College Environmental Science Course, Chyrisse P. Tabone Jan 2006

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 …

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Factors Influencing Special Educators’ Perspectives Regarding The Reintegration Of Special Education Students, Brandi L. Tanner Jan 2006

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 …

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“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 Jan 2006

“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 …

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Ethnic Differences In Body Mass Index, Christine Anne Vaughan Jan 2006

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 …

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Understanding Activity Engagement And Time Use Patterns In A Developing Country Context, Amlan Banerjee Jan 2006

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, …

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Development Of Ganglioside-Based Assays For The Identification Of Botulinum And Cholera Toxins Utilizing An Evanescent Wave Biosensor, Crystal M. Bedenbaugh Jan 2006

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 …

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Community Of Practice As Community Of Learners: How Foreign Language Teachers Understand Professional And Language Identities, Ruth Ban Jan 2006

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 …

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Teaching Philosophy And Practices Among Chemistry Faculty Attending Mid Project Workshops : Implications For Reform In Chemistry, Beverly Dee Barker Jan 2006

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 …

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School Principals’ Knowledge And Understanding Of Educator Sexual Misconduct Against Students, Sylvia Sonja Cairns Jan 2006

School Principals’ Knowledge And Understanding Of Educator Sexual Misconduct Against Students, Sylvia Sonja Cairns

USF Tampa Graduate Theses and Dissertations

The purpose of this research study was to explore what public school principals know and understand about educator sexual misconduct. This project attempted to provide a clearer picture of how administrators perceived and performed their leadership role as moral keeper of the school. In examining the literature, the researcher determined that there is a paucity of information concerning educator sexual misconduct.To accomplish the goals of this research project, the investigator paid particular attention to the study, Educator Sexual Misconduct: A Synthesis of Existing Literature, prepared by Shakeshaft in 2004 for the U.S. Department of Education. Insights afforded by Shakeshaft's study …

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Certificate Of Need Regulation In The Nursing Home Industry: Has It Outlived Its Usefulness?, Barbara J. Caldwell Jan 2006

Certificate Of Need Regulation In The Nursing Home Industry: Has It Outlived Its Usefulness?, Barbara J. Caldwell

USF Tampa Graduate Theses and Dissertations

The primary goals of the National Health Planning and Resources Development Act (P.L. 93-641) of 1974 were to (1) contain health care costs and (2) increase the accessibility and quality of health services. Certificate of need (CON) regulation is one attempt to constrain health care costs by limiting the supply of certain medical care facilities. With respect to the nursing home industry, prospective nursing home owners/operators are required to demonstrate that a "need" exists for more nursing home beds. Some States also imposed a construction moratorium that prevented any expansion of existing facilities or construction of new facilities regardless of …

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Investigation Of Normalized Streamflow In West Central Florida And Extrapolation To Ungaged Coastal Fringe Tributaries, Kim Beth Clayback Jan 2006

Investigation Of Normalized Streamflow In West Central Florida And Extrapolation To Ungaged Coastal Fringe Tributaries, Kim Beth Clayback

USF Tampa Graduate Theses and Dissertations

Deriving accurate streamflow estimates for ungaged watersheds provides a challenging task for water resource engineers. Traditional methods include correlation to the nearest USGS streamflow station or numeric simulation of watershed rainfall-runoff processes. Mean annual flow, ten percent exceedance and other streamflow indices can be normalized and non-dimensionalized by dividing by the watershed drainage area and the mean annual precipitation rate. Obtaining non-dimensional parameters can be especially useful for extrapolation of flows to downstream, ungaged, coastal fringe regions. Florida and other states along the Gulf Coast exhibit strong variability in the magnitude of streamflow fraction of precipitation. The irregular patterns created …

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Framing Requests For Parental Participation In Family Research, David Clay Jan 2006

Framing Requests For Parental Participation In Family Research, David Clay

USF Tampa Graduate Theses and Dissertations

This study focused on fathers and their willingness to participate in family related research studies. Traditional expectations of parental roles have hindered the inclusion of fathers in research studies despite gradual changes in cultural norms and research studies that indicate fathers have a significant influence on the developmental outcomes of children. Recent work in this area indicates that fathers are just as likely as mothers to participate in family related research. This study sought to shed light on this issue. Employees at three large Southeastern Universities were asked to participate in one of three different types of research: Academics, Athletics, …

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Bacteriophage For The Elimination Of Methicillin-Resistant Staphylococcus Aureus (Mrsa) Colonization And Infection, Angela Clem Jan 2006

Bacteriophage For The Elimination Of Methicillin-Resistant Staphylococcus Aureus (Mrsa) Colonization And Infection, Angela Clem

USF Tampa Graduate Theses and Dissertations

Methicillin-resistant Staphylococcus aureus (MRSA) is among the most important pathogens affecting the human race in our time. In spite of recent medical advances, our therapeutic choices for MRSA infections remain limited due to the propensity of this organism to develop resistance to antimicrobials. Therefore, there is a continuing need to develop newer methods of treating MRSA infections. This dissertation examines the effects of bacteriophages 88 and 92 on ten clinical isolates of MRSA from the central Florida area. . For the majority of the MRSA isolates, bacteriophages 88 and 92 were unable to induce lysis. However, bacteriophage 88 was found …

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Implementing School-Wide Positive Behavior Support: Exploring The Influence Of Socio-Cultural, Academic, Behavioral, And Implementation Process Variables, Rachel Mara Cohen Jan 2006

Implementing School-Wide Positive Behavior Support: Exploring The Influence Of Socio-Cultural, Academic, Behavioral, And Implementation Process Variables, Rachel Mara Cohen

USF Tampa Graduate Theses and Dissertations

This study evaluated the influence of academic, behavioral, and sociocultural variables on the implementation of Schoolwide Positive Behavior Support (SWPBS), a system intended to improve discipline in school buildings. The number of schools that are implementing SWPBS has been increasing dramatically over the years as school violence continues to rise and solutions are needed to improve school climate. This study examined the relationship between three categories of variables and the level of implementation of SWPBS in three multiple regression analyses. The categories were school demographic variables (i.e., ethnicity, socio-economic status, teacher: student ratio, percentage of teachers who are out-of-field), severity …

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The Effects Of Community-Based Service-Learning On Preservice Elementary Teachers’ Self-Efficacy Beliefs About Equitable Science Teaching And Learning, Neporcha T. Cone Jan 2006

The Effects Of Community-Based Service-Learning On Preservice Elementary Teachers’ Self-Efficacy Beliefs About Equitable Science Teaching And Learning, Neporcha T. Cone

USF Tampa Graduate Theses and Dissertations

The National Science Education Standards (NRC, 1996) and Science for all Americans (AAAS, 1989) explicitly state that all students regardless of their age, cultural or ethnic backgrounds, gender, abilities, aspirations, or interest in science should have access to equitable educational resources in science. These equitable resources also include access to efficacious teachers of all students. However, the Standards fail to explicate what practices, if any, lead to the development of these teachers. The primary purpose of this study was to identify teacher education practices that positively influenced preservice elementary teachers' self-efficacy beliefs about equitable science teaching and learning. More specifically, …

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