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Intrinsic Factors Affecting Decomposition Changes In Archaeological Head Hair From Kellis 2 Cemetery, Dakhleh Oasis, Egypt, Kathleen Cole Jan 2017

Intrinsic Factors Affecting Decomposition Changes In Archaeological Head Hair From Kellis 2 Cemetery, Dakhleh Oasis, Egypt, Kathleen Cole

Electronic Theses and Dissertations

Post-mortem hair root degradation, and associated characteristics such as post-mortem root banding, brush-like ends, and hard keratin points, has remained a little understood phenomenon in the forensics discipline since its discovery in the 1800's. At present, the underlying causes of these characteristics are still unknown. In addition, there is no standardization for preparing samples for forensic or archaeological analysis. In this study, 1200 hairs from a total of 51 individuals (males, n = 22; females, n = 29) ranging in age from 16 to 60+ and interred at the Kellis 2 cemetery in the Dakhleh Oasis, Egypt are examined microscopically …

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The Behavior Of Humans And Wildlife With Respect To Roads: Insights For Mitigation And Management, Molly Grace Jan 2017

The Behavior Of Humans And Wildlife With Respect To Roads: Insights For Mitigation And Management, Molly Grace

Electronic Theses and Dissertations

Road ecology is the study of how roads and wildlife interact. Traditionally, road ecologists have primarily focused on one effect of roads: roadkill. Though roadkill can have devastating effects on wildlife populations, roads have sub-lethal impacts that are gaining more and more attention from the scientific community. These sub-lethal impacts include noise, light, and chemical pollution as well as altered habitat structure, which can all influence animal behavior. In this dissertation, I applied a behavioral ecology framework to study specific lethal and sub-lethal road effects with the goal of improving mitigation efforts. In Chapters 1 and 2, I evaluated how …

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Predicting Undergraduate Retention In Stem Majors Based On Demographics, Math Ability, And Career Development Factors, Christopher Belser Jan 2017

Predicting Undergraduate Retention In Stem Majors Based On Demographics, Math Ability, And Career Development Factors, Christopher Belser

Electronic Theses and Dissertations

Science, technology, engineering, and math (STEM) fields are currently facing a crisis with respect to filling jobs with qualified workers (NSF, 2013; NAS, 2011). While advancements in these industries have translated into job growth, post-secondary declaration and retention rates within STEM majors lag behind industry needs (Carnevale et al., 2011; Chen, 2013; Koenig et al., 2012). Although researchers previously investigated demographic variables and math-related variables in the context of STEM retention (Beasley & Fischer, 2012; CollegeBoard, 2012; Cundiff et al., 2013; Gayles & Ampaw, 2014; Le et al., 2014; Nosek & Smyth, 2011; Riegle-Crumb & King, 2010), the need exists …

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An Investigation Of State College To University Transfer Students' Sense Of Belonging, Claire Brady Jan 2017

An Investigation Of State College To University Transfer Students' Sense Of Belonging, Claire Brady

Electronic Theses and Dissertations

The purpose of this mixed methods study was to examine the sense of belonging of state college transfer students who enroll at a large research-intensive university through structured and unstructured transfer pathways using the Sense of Belonging Instrument (SBI; Hoffman, Richmond, Morrow, & Solomon, 2002). The SBI includes five subscales (Peer Support, Faculty Support, Classroom Comfort, Isolation, and Empathetic Faculty Understanding). To date, no systematic investigation has considered the construct of belonging with this population or transfer pathway. The findings from this study (n = 54) found a positive statistically significant correlation between Peer Support and Isolation (r(52) =.801, p …

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Examining The Experiences Of Latino/A Parents Of First-Generation College Students Pursuing A Doctoral Degree, Natalia Toro Jan 2017

Examining The Experiences Of Latino/A Parents Of First-Generation College Students Pursuing A Doctoral Degree, Natalia Toro

Electronic Theses and Dissertations

Research points to Latino/a parents as an important source of motivation and support for high achieving Latino/a students who are the first in their families to go to college (Arellano & Padilla, 2006; Gandara, 1982; 1994; Hurtado & Sinha, 2006; Zalaquett, 2005); however, very little is known about their experience as they parent children whose educational paths are so different from their own. Cultural values such as collectivism and familism play a unique role in the level of connection between these parents and their children (Suarez-Orozco & Suarez-Orozco, 1995), creating dynamics that merit exploration. This dissertation qualitatively examines how seven …

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An Exploration Of The Feasibility Of Functional Near-Infrared Spectroscopy As A Neurofeedback Cueing System For The Mitigation Of The Vigilance Decrement, Gabriella Hancock Jan 2017

An Exploration Of The Feasibility Of Functional Near-Infrared Spectroscopy As A Neurofeedback Cueing System For The Mitigation Of The Vigilance Decrement, Gabriella Hancock

Electronic Theses and Dissertations

Vigilance is the capacity for observers to maintain attention over extended periods of time, and has most often been operationalized as the ability to detect rare and critical signals (Davies & Parasuraman, 1982; Parasuraman, 1979; Warm, 1984). Humans, however, have natural physical and cognitive limitations that preclude successful long-term vigilance performance and consequently, without some means of assistance, failures in operator vigilance are likely to occur. Such a decline in monitoring performance over time has been a robust finding in vigilance experiments for decades and has been called the vigilance decrement function (Davies & Parasuraman, 1982; Mackworth, 1948). One of …

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Factors Influencing Hypoglycemia Care Utilization And Outcomes Among Adult Diabetic Patients Admitted To Hospitals: A Predictive Model, Waleed Kattan Jan 2017

Factors Influencing Hypoglycemia Care Utilization And Outcomes Among Adult Diabetic Patients Admitted To Hospitals: A Predictive Model, Waleed Kattan

Electronic Theses and Dissertations

Diabetes Miletus (DM) is one of the major health problems in the United States. Despite all efforts made to combat this disease, its incidence and prevalence are steadily increasing. One of the common and serious side effects of treatment among people with diabetes is hypoglycemia (HG), where the level of blood glucose falls below the optimum level. Episodes of HG vary in their severity. Nevertheless, many require medical assistance and are usually associated with higher utilization of healthcare resources such as frequent emergency department visits and physician visits. Additionally, patients who experience HG frequently have poor outcomes such as higher …

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Using Biomarkers To Assess The Migratory Ecology And Reproduction Of The Florida Green Turtle (Chelonia Mydas), Ryan Chabot Jan 2017

Using Biomarkers To Assess The Migratory Ecology And Reproduction Of The Florida Green Turtle (Chelonia Mydas), Ryan Chabot

Electronic Theses and Dissertations

Migratory connectivity between breeding and foraging areas is a vital component of the ecology of a diverse collection of marine vertebrates. Habitat quality, composition, and resource availability at these locations have direct ramifications for individual fitness. The green turtle (Chelonia mydas) is a long-lived, highly migratory species of conservation concern. Important green turtle nesting habitat in Florida is protected, but more information is needed to identify foraging habitats and the influence these habitats have on reproduction. Here, I used stable isotope analysis of δ13C, δ15N, and δ34S and satellite telemetry validation to determine the number of putative foraging areas used …

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Cross-Continental Insights Into Jaguar (Panthera Onca) Ecology And Conservation, Joe Figel Jan 2017

Cross-Continental Insights Into Jaguar (Panthera Onca) Ecology And Conservation, Joe Figel

Electronic Theses and Dissertations

The jaguar (Panthera onca) is a widely distributed large carnivore and the focal species of a range-wide connectivity initiative known as the jaguar conservation network (JCN). Comprised of ~83 Jaguar Conservation Units (JCUs) and ~75 corridors from northern Mexico to Argentina, the JCN functions as a conduit for jaguar movement and gene flow. Key linkages in the network are imperiled by human population growth, large-scale agriculture, highway expansion, and other infrastructural development. Labeled "corridors of concern," these vulnerable linkages are imperative to the maintenance of connectivity and genetic diversity throughout jaguar distribution. I take a multi-faceted approach to analyze conservation …

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The Workplace Consequences Of Obesity: Impacts On The Organization, The Employee, And The Proximal Coworker, Michael Johnson Jan 2017

The Workplace Consequences Of Obesity: Impacts On The Organization, The Employee, And The Proximal Coworker, Michael Johnson

Electronic Theses and Dissertations

Obesity is a condition affecting billions of people around the world. Its societal, psychological, and health outcomes have been well documented across multiple disciplines. Moreover, obesity leads to serious workplace outcomes for the organization, the obese individual, and the coworkers working around the obese employee. With this multi-chapter dissertation, I review the literature on the workplace consequences of obesity and extend one potentially fruitful area within this literature base: obesity's impact on a proximal employee. Chapter 1 reviews the workplace consequences associated with obesity. The purpose is to evaluate and integrate this multidisciplinary literature so that management scholars can take …

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The Effect Of Food Labeling And Environmental Cues On Food Consumption Judgments And Choices., Sarah Lefebvre Jan 2017

The Effect Of Food Labeling And Environmental Cues On Food Consumption Judgments And Choices., Sarah Lefebvre

Electronic Theses and Dissertations

As obesity levels reach epidemic levels globally, an understanding of the multitude of factors that influence both eating behavior and food choice is necessary. This dissertation attempts to investigate the role of emerging food categories, namely organic foods, and the influence of environmental cues on eating behaviors and choices. This goal is accomplished through three essays. The first essay focuses on the organic food trend and consumer taste expectations. Specifically, this essay explores how the presence of an organic label influences taste expectations differently for minimally processed versus highly processed foods due to the level of consistency (congruency) between the …

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Cathepsin B Regulates Vldl Secretion Through Lfabp Cleavage, Simeon Thibeaux Jan 2017

Cathepsin B Regulates Vldl Secretion Through Lfabp Cleavage, Simeon Thibeaux

Electronic Theses and Dissertations

The liver is tasked with managing the concentration of various metabolites in the blood, and of particular importance is the uptake of free fatty-acid (FFA), as elevated concentrations of FFA are toxic to cells. FFAs are transported across the cell membrane by CD36 and distributed by LFABP to the endoplasmic reticulum (ER), where they are esterified to glycerol, yielding more chemically inert triglyceride (TAG), which is essential to the process of VLDL assembly. VLDL secretion distributes energy rich TAG to peripheral tissues, and its dysfunction leads to hepatic steatosis, which may progress into hepatocellular carcinoma. The present study examined the …

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Picosecond Yb-Doped Fiber Amplifier, Weibin Zhu Jan 2017

Picosecond Yb-Doped Fiber Amplifier, Weibin Zhu

Electronic Theses and Dissertations

Due to its versatility, rare earth doped fiber amplifier (RDFA) has attracted a lot of researchers worldwide in recent years. Depends on different kinds of rare earth ion, RDFA can be categorized into neodymium doped fiber amplifier (NDFA), erbium doped fiber amplifier (EDFA), thulium doped fiber amplifier (TDFA), and so forth. Among many kinds of RDFA, the ytterbium doped fiber amplifier (YDFA) has received even more interest, especially in high power application, mainly because of its broad gain bandwidth and high conversion efficiency which are due to its relatively simple electronic structure. The purpose of this research is to study …

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A Study Of Central Florida College Students' Acceptance Of The Theory Of Evolution, Microevolution, Macroevolution, And Human Evolution, David Schleith Jan 2017

A Study Of Central Florida College Students' Acceptance Of The Theory Of Evolution, Microevolution, Macroevolution, And Human Evolution, David Schleith

Electronic Theses and Dissertations

In order to study the teaching and learning of the theory of evolution and determine levels of acceptance of the theory of evolution among college students studying biology in Central Florida, the Inventory of Student Evolution Acceptance, I-SEA, was administered to over 500 university students enrolled in a biology course during the Fall 2016 term. An analysis of 489 completed surveys demonstrated strong overall acceptance of the theory of evolution (average score = 103 out of 120 total possible). Of all students, 78% fell into the category of very high acceptance of the theory of evolution. Students who reported attending …

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The Impact Of Ongoing Science Professional Development On Standardized Assessments Of Student Achievement, Leah Torres Jan 2017

The Impact Of Ongoing Science Professional Development On Standardized Assessments Of Student Achievement, Leah Torres

Electronic Theses and Dissertations

The purpose of this study was to identify how ongoing science professional development impact students' achievement on standardized assessments. The students' end-of-year assessment and State Science Assessment data were collected from a Central Florida school district. The student data were divided into categories based on teachers' participation in on-going professional development opportunities. The teachers were categorized by the number of types of professional development opportunities they attended. The mean assessment scores of students whose all teachers did or did not participate were calculated, and t-tests were run to find the significance between the means. There was no significance in the …

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Predicting Gun Ownership In America: Birth Cohort, Political Views, And Attitudes Towards Gun Control Legislation, Jared Adams Jan 2017

Predicting Gun Ownership In America: Birth Cohort, Political Views, And Attitudes Towards Gun Control Legislation, Jared Adams

Electronic Theses and Dissertations

With mass shootings occurring with frightening regularity, research into gun ownership behavior is becoming increasingly important for public policy creation and public safety. While extant research tells us that firearm ownership is woven deep into the historical fabric of American culture, scholarship has yet to fully explore predictors for gun ownership. Employing 2015 Pew Research Center political survey data, this study examines the predictive effects of birth cohort, political ideology, and attitudes towards gun control legislation on gun ownership, with and without controls, using hierarchical binary logistic regression models. The presented models examine three separate cohorts: The Millennials, Generation X, …

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Dating Violence Victimization And Substance Use: Do Genes Play A Role?, Alexis Yohros Jan 2017

Dating Violence Victimization And Substance Use: Do Genes Play A Role?, Alexis Yohros

Electronic Theses and Dissertations

Dating violence (DV) victimization in adolescence has been shown to be predictive of both negative emotions and delinquent behavior later in life. However, research that delves into DV victimization and subsequent outcomes, such as deviant behavior, is largely atheoretical. Robert Agnew's general strain theory (GST) provides a theoretical framework to address this limitation. In focusing on negative interactions with others, the theory posits that strain produces negative affect states which leads to deviant or criminal coping. Prior research has identified victimization as a strain, a type of noxious stimuli, which is significantly related to negative emotionality, crime, and deviance. I …

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Quantification Of Non-Stoichiometry And Impurities In Transparent Yag Ceramics By Laser-Induced Breakdown Spectroscopy (Libs), Sudeep Pandey Jan 2017

Quantification Of Non-Stoichiometry And Impurities In Transparent Yag Ceramics By Laser-Induced Breakdown Spectroscopy (Libs), Sudeep Pandey

Electronic Theses and Dissertations

Transparent ceramics are an important class of optical materials with applications in street-lighting, high-strength windows, electro- and magneto-optical isolators, high-power laser gain media and nuclear radiation detectors. Compared to single-crystal growth, ceramic processing enables size scalability, near net-shape forming and prevents issues associated with dopant segregation and inhomogeneity, such as stress-induced birefringence and wavefront distortions. The fabrication of high optical grade ceramics by route of powder sintering, relies on a controlled set of techniques preventing the formation of scattering centers (pores and secondary phases) and harmful point defects (color centers, charge-carrier trapping sites). This thesis work investigates a novel approach …

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Damned To Hell: The Black Church Experience For College Educated Lesbians, Gays, And Bisexuals, Edwanna Andrews Jan 2017

Damned To Hell: The Black Church Experience For College Educated Lesbians, Gays, And Bisexuals, Edwanna Andrews

Electronic Theses and Dissertations

Despite increased acceptance nationally towards same-sex sexuality, intolerance within the Black Church against those who identify as lesbian, gay, and bisexual (LGB) continues to persist. As one of the most important institutions in the African American community, the significance of the Black Church makes the religious experience particularly influential. LGBs frequently experience homonegativity in the Black Church in the form of homophobic laced sermons, Microaggressions, and church gossip. The stigma LGBs encounter around homosexuality in the Black Church has created a dissonance between their religious beliefs, faith, and sexual identity. This study explores the multifaceted experience of lesbian, gay, and …

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Discovery And Characterization Of Antimalarials With Novel Mechanisms Of Action, Bracken Roberts Jan 2017

Discovery And Characterization Of Antimalarials With Novel Mechanisms Of Action, Bracken Roberts

Electronic Theses and Dissertations

Malaria kills over 500,000 people each year and over a third of the global population is at risk of infection. Though the human race has been fighting the malaria war for over 4,000 years and we have made great strides in eliminating malaria from many countries, we are treading on the edge of what could be another malaria epidemic primarily due to widespread drug resistance. There are documented cases of resistance for every known antimalarial in use today, including Artemisinins. It is critical that we open a new window of discovery in development of next generation antimalarials that circumvent current …

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Improving Instructional Strategies In Higher Education For Students With A Learning Disability In A General Education Science Course, Brian Ogle Jan 2017

Improving Instructional Strategies In Higher Education For Students With A Learning Disability In A General Education Science Course, Brian Ogle

Electronic Theses and Dissertations

This Dissertation in Practice employed a mixed-methods design to identify preferred instructional methods in a college level science course as well as the self-reported challenges to learning science in college by students with a learning disability. In addition, the relationships between preferred instructional strategies and learner characteristics such as declared major, and learning disability were examined. Qualitative and quantitative data was collected from a sample of 48 participants using an electronic survey. Additionally, eight participants participated in focus groups to collect in-depth qualitative data. All participants are current students enrolled full-time at Beacon College. Each participant completed a science college …

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Analysis Of The Effects Of Formative Assessment In Promoting Transfer Of Learning In An Undergraduate General Microbiology Laboratory Course, Andrea Rediske Jan 2017

Analysis Of The Effects Of Formative Assessment In Promoting Transfer Of Learning In An Undergraduate General Microbiology Laboratory Course, Andrea Rediske

Electronic Theses and Dissertations

The undergraduate microbiology lab serves an important role in establishing a foundation of best practices in aseptic technique and infection control for pre-medical, pre-nursing, pre-pharmacy, or pre-allied health students. The high incidence of hospital-acquired infections (HAIs) in the US and evidence in the literature of less effective implementation of proper aseptic technique among apprentice doctors and nursing students suggests that more effective transfer of learning could improve implementation of these procedures in the clinical setting. The research described in this study aimed to assess learning transfer as it applied to aseptic techniques and infection control skills learned in the undergraduate …

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Filtering Problems In Stochastic Tomography, Tyler Gomez Jan 2017

Filtering Problems In Stochastic Tomography, Tyler Gomez

Electronic Theses and Dissertations

Distinguishing signal from noise has always been a major goal in probabilistic analysis of data. Such is no less the case in the field of medical imaging, where both the processes of photon emission and their rate of absorption by the body behave as random variables. We explore methods by which to extricate solid conclusions from noisy data involving an X-ray transform, long the mathematical mainstay of such tools as computed axial tomography (CAT scans). Working on the assumption of having some prior probabilities assigned to various states a body can be found in, we introduce and make rigorous an …

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Examining The Role Of Cardiovascular And Cognitive Fitness In Goal-Directed Aiming Across The Lifespan, Michael Rupp Jan 2017

Examining The Role Of Cardiovascular And Cognitive Fitness In Goal-Directed Aiming Across The Lifespan, Michael Rupp

Electronic Theses and Dissertations

Older adults experience more difficulties completing goal directed movements than younger adults. The reasons for this have not been completely elucidated within the research literature; however, it is thought that age related movement differences are due to at least one of three possible reasons. The current study investigated the influence of these three hypotheses: (1) biomechanical changes (limbs, joints, or muscles), (2) sensory feedback processing ability, or (3) differences in overall movement strategy on movement kinematics. Additionally, physical activi-ty is known to improve both physical and cognitive functioning and staying cognitively active may also attenuate age-related declines in cognitive ability; …

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Monitoring Crystal Structure Refinements Using Solid-State Nmr Chemical Shift Tensors, Keyton Kalakewich Jan 2017

Monitoring Crystal Structure Refinements Using Solid-State Nmr Chemical Shift Tensors, Keyton Kalakewich

Electronic Theses and Dissertations

Inclusion of lattice-fields in density functional theory (DFT) methods has enabled the accurate calculation of solid-state nuclear magnetic resonance (SSNMR) chemical shift tensors. Calculated 13C and 15N tensors (i.e. 3 principle values per nucleus) can be used to monitor crystal structure refinements and to select the correct structure from a large population of computationally generated candidates. In this dissertation, chapter 2 describes a methodology to improve established crystal structures from three different diffraction techniques involving geometric refinement monitored using SSNMR tensor values. The calculated 13C tensors for three relatively simple organic compounds (i.e. acetaminophen, naphthalene, and adenosine) are shown to …

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Using Molecular Genetic And Demographic Tools To Improve Management Of Ex Situ Avian Populations, Gina Ferrie Jan 2017

Using Molecular Genetic And Demographic Tools To Improve Management Of Ex Situ Avian Populations, Gina Ferrie

Electronic Theses and Dissertations

Small populations, specifically those that are isolated from others, are more prone to extinction than larger inter-connected populations. The risks that these small isolated populations face include loss of genetic diversity due to founder effects and inbreeding due to population bottlenecks, as well as demographic uncertainty due to fluctuating fecundity and mortality rates and impacts of external environmental factors. Ex situ populations, including those managed as conservation breeding programs with species recovery aims, as well as those that do not have reintroduction goals but are managed for long term population sustainability, suffer from the same extinction risks as small and …

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Development Of Molecular Diagnostic Tools For Mycobacterium Species, Hillary Bengtson Jan 2017

Development Of Molecular Diagnostic Tools For Mycobacterium Species, Hillary Bengtson

Electronic Theses and Dissertations

This dissertation focuses on the development of diagnostic tools for mycobacteria using hybridization based technologies including binary deoxyribozyme (BiDz) sensors and microarrays. The genus Mycobacterium, is a diverse group of bacteria containing 150+ species including M. tuberculosis (M.tb) and non-tuberculous mycobacteria (NTM) which exhibit a range of pathogenicity, drug susceptibility and growth characteristics. M. tuberculosis (M.tb) is the causative agent of tuberculosis (TB) and the leading cause of infectious disease related deaths worldwide. The control of TB is limited by the lack of sensitive and specific diagnostic tools available at the point of care (POC). The studies presented here illustrate …

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Reproductive Life History And Signal Evolution In A Multi-Species Assemblage Of Electric Fish, Joseph Waddell Jan 2017

Reproductive Life History And Signal Evolution In A Multi-Species Assemblage Of Electric Fish, Joseph Waddell

Electronic Theses and Dissertations

Animals that co-occur in sympatry with multiple closely-related species use reproductive mate attraction signals not only to assess the quality of a potential conspecific mate (sexual selection), but also to discriminate conspecifics from heterospecifics (species recognition). However, the extent to which sexual selection and species recognition may interact, or even conflict, is poorly known. Neotropical electric fish offer unrivaled opportunities for understanding this problem. They generate simple, stereotyped mate attraction signals that are easy to record and quantify, and that are well-understood from the neurobiological perspective. Additionally, they live in electrically-crowded environments, where multiple congeners live and reproduce in close …

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From Dude To Dad: A Study On Prenatal Fatherhood And Its Representation In Theatre, Michael Nilsson Jan 2017

From Dude To Dad: A Study On Prenatal Fatherhood And Its Representation In Theatre, Michael Nilsson

Electronic Theses and Dissertations

A man in the preparatory phase for parenthood with his first child can go through a lot of extreme emotional highs and lows, depending upon the man's economic, relationship, and physical status, as well as community pressures and support. In preparation to portray an array of prenatal fathers in a showcase of scenes, I have read an assortment of plays and scholarly sources. In reading a large sample of prenatal plays, I have extracted several possible emotional changes within a man's psyche. I also analyzed the social rationale behind these changes through the writings of sociologists and other scholarly sources. …

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Synaesthetics, Samantha Turner Jan 2017

Synaesthetics, Samantha Turner

Electronic Theses and Dissertations

Synaesthetics is a new philosophy of the arts. Expanding on its predecessors, aesthetics and its many branches of thought, Synaesthetics bridges the long-standing explanatory gap across the disciplines of science, spirituality, and art. The arts become the vehicle of exploring new ways to synthesize and study their cognitive effects and implications on aesthetes, be they audience or creators. The examination of a synthesis in color and sound, inspired by research in synaesthesia, is a model for explaining the new philosophy, as well as investigating its impact. Theatre is introduced as the most valuable art form with which to engage this …

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