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Full-Text Articles in Entire DC Network
Breaking The Cycle Of Intergeneration Literacy Deficits: Describing Linguistic Interactions Between Adolescent Mothers And Their Young Children, Diana Abarca
Electronic Theses and Dissertations, 2020-2023
The purpose of this pilot descriptive study was to begin the exploration of adolescent mothers' and their children's sociodemographic characteristics and language and literacy skills, the home literacy environment (HLE) provided by adolescent mothers, and the quality of linguistic interactions between adolescent mothers and their children. Eight adolescent mother-child dyads were recruited from local school counties. Data were collected through demographic and HLE questionnaires, various language standardized measures (i.e., Preschool Language Scales, Fifth Edition and Clinical Evaluation of Language Fundamentals, Fifth Edition), and scored interactions between mother-child dyads using the Parenting Interactions with Children: Checklist of Observations Linked to Outcomes …
Learning Transferable Representations For Visual Recognition, Yang Zhang
Learning Transferable Representations For Visual Recognition, Yang Zhang
Electronic Theses and Dissertations, 2020-2023
In the last half-decade, a new renaissance of machine learning originates from the applications of convolutional neural networks to visual recognition tasks. It is believed that a combination of big curated data and novel deep learning techniques can lead to unprecedented results. However, the increasingly large training data is still a drop in the ocean compared with scenarios in the wild. In this literature, we focus on learning transferable representation in the neural networks to ensure the models stay robust, even given different data distributions. We present three exemplar topics in three chapters, respectively: zero-shot learning, domain adaptation, and generalizable …
Evidence Of Science Of Instruction Principles And Mathematics Teaching Practices In Undergraduate Elementary Education Mathematics Methods Courses' Coverage Of Geometry And Measurement In The State University System Of Florida, Rachel Adams
Electronic Theses and Dissertations, 2020-2023
This study investigated the extent to which elementary education mathematics methods courses exposed preservice teachers to research-based pedagogical practices grounded in cognitive science as well as best practices for mathematics instruction. A line-by-line content analysis of textbooks and course syllabi from ten teacher education programs within the State University System SUS) of Florida was completed. Evidence of the National Council of Teachers of Mathematics' (NCTM) eight high leverage Mathematics Teaching Practices (MTPs) was documented on the © Scoring Rubric for the National Council of Teachers of Mathematics' Mathematics Teaching Practices (MTPs), and Mayer's (2009) Science of Instruction Principles (SOIPs) were …
The Precariat And The Pandemic: Assessing The Wellbeing Of Metro Orlando's Hospitality Workers During The Covid-19 Pandemic, Caroline Austin
The Precariat And The Pandemic: Assessing The Wellbeing Of Metro Orlando's Hospitality Workers During The Covid-19 Pandemic, Caroline Austin
Electronic Theses and Dissertations, 2020-2023
In 2018, the Orlando metro area was visited by 126.1 million tourists, a new record which the area has broken for its eighth year (Sanata 2019). As the number of visitors to the area continues to rise, so has the number of people employed by the hospitality industry which currently makes up the largest sector of the area's job market, employing 280,000 workers as of December 2019 (Bureau of Labor Statistics). Consistent growth in various insecure and unstable jobs of this kind have prompted the development of theory regarding the emergence of a new class known as the precariat. The …
The Relationship Of Professional School Counselors' Self-Efficacy And Motivation To Their Counseling Service Delivery, Jon Borland
The Relationship Of Professional School Counselors' Self-Efficacy And Motivation To Their Counseling Service Delivery, Jon Borland
Electronic Theses and Dissertations, 2020-2023
The purpose of this study was to explore the relationship between professional school counselors' perceived self-efficacy of mental health counseling skills (as measured by the School-Based Mental Health Survey; developed by A. D. Waliski & A. Barthel; adapted and published by Carlson & Kees, 2013) and level of situational motivation (as measured by the Situational Motivation Scale; Guay et al., 2000) to the extent of counseling services provided to students (as measured by the School Counselor Activity Rating Scale; Scarborough, 2005). Based on the principles of Social Cognitive Theory (SCT; Bandura, 1986) and Self-Determination Theory (SDT; Ryan & Deci, 2017), …
A Person-Centered Approach Of Dynamic Needs: Demographic Characteristics, Static Factors, And Justice-Related Outcomes Among Juvenile Offenders In Florida, Caitlin Brady
Electronic Theses and Dissertations, 2020-2023
Prior research examining criminogenic risk and need suggests that dynamic factors (i.e., criminogenic needs) are best suited for intervention and treatment as they are changeable over time. Thus, dynamic factors can be targeted to reduce the likelihood of recidivism among youth in the juvenile justice system. The assessment of needs is critical as it allows for the prediction of future delinquency and the ability to provide appropriate services/treatment for juvenile offenders. Several studies have shown that youth present with multiple needs and that these needs differ by gender. Therefore, the current study utilized a sample of adjudicated youth under community …
Online Communities For Information Sharing And Mutual Support For Health Professionals, Meghan Budvarson
Online Communities For Information Sharing And Mutual Support For Health Professionals, Meghan Budvarson
Electronic Theses and Dissertations, 2020-2023
This study was conducted to explore the use of online communities for information sharing and mutual support by health professionals, in this case, oncology social workers (OSW). The characteristic traits of individuals using online listservs and reasons for use is largely under researched. The main objective of this research is to explore the nature of social exchange and use of a professional online community that occurs on the Social Work Oncology Network (SWON) listserv and the characteristics of those OSWs using the listserv. Using a researcher developed survey, associations between characteristics of listserv users and reasons for use were explored. …
Midwave Vs Longwave Infrared Search And Track And Aerosol Scattering Target Acquisition Performance, Steven Butrimas
Midwave Vs Longwave Infrared Search And Track And Aerosol Scattering Target Acquisition Performance, Steven Butrimas
Electronic Theses and Dissertations, 2020-2023
The decision on whether to use a mid wave infrared (MWIR) or long wave infrared (LWIR) sensor for a given task can be a formidable verdict. The scope entails facts about the observable source, the atmospheric interactions, and the sensor parameters within the hardware device. Even when all the individual metrics are known, the combination ultimately determines whether a MWIR or LWIR sensor is more appropriate. Despite the vast number of variables at play, the reduction of inputs through focused studies can provide essential insight into MWIR and LWIR comparisons. This dissertation focuses on the roles of point source target …
Cute Panda Or Evil Dragon? Market Economy, Conflict Behavior And China's Peaceful Rise, Xiongwei Cao
Cute Panda Or Evil Dragon? Market Economy, Conflict Behavior And China's Peaceful Rise, Xiongwei Cao
Electronic Theses and Dissertations, 2020-2023
China has two contrasting images in the West: a cute panda and an evil dragon. In recent years, a near-consensus seems to be forming among policy makers in Washington that the People's Republic of China (PRC) is more of an evil dragon than a cute panda, using "sharp power" to threaten U.S. interests and world peace. The PRC is regarded by the current U.S. administration as a "strategic competitor," and a new Cold War seems to be looming between the world's two largest economies. Is the rise of China destined to cause conflicts or even war? After analyzing the conflict …
Early Host Defense Mechanisms Against La Crosse Virus Infection, Maria A. Cruz Zamora
Early Host Defense Mechanisms Against La Crosse Virus Infection, Maria A. Cruz Zamora
Electronic Theses and Dissertations, 2020-2023
Given the importance of innate defense mechanisms in the skin, we have examined the interactions of the arbovirus La Crosse virus (LACV) with serum factors that serve as a first line of antiviral defense, and the outcome of LACV infection of human keratinocytes, one of the main cell types present at viral entry. Incubation of LACV derived from insect cells (I-LACV) with normal human serum in vitro did not result in neutralization, but instead stabilized LACV virions and enhanced infectivity. Enhanced infectivity was also seen with heat inactivated serum devoid of complement activity and with serum from a range of …
Navigating Immersive And Interactive Vr Environments With Connected 360° Panoramas, Samuel Cosgrove
Navigating Immersive And Interactive Vr Environments With Connected 360° Panoramas, Samuel Cosgrove
Electronic Theses and Dissertations, 2020-2023
Emerging research is expanding the idea of using 360-degree spherical panoramas of real-world environments for use in "360 VR" experiences beyond video and image viewing. However, most of these experiences are strictly guided, with few opportunities for interaction or exploration. There is a desire to develop experiences with cohesive virtual environments created with 360 VR that allow for choice in navigation, versus scripted experiences with limited interaction. Unlike standard VR with the freedom of synthetic graphics, there are challenges in designing appropriate user interfaces (UIs) for 360 VR navigation within the limitations of fixed assets. To tackle this gap, we …
An Information-Potential Approach To Airborne Lidar Point Cloud Sampling And Assessment, Kristian Damkjer
An Information-Potential Approach To Airborne Lidar Point Cloud Sampling And Assessment, Kristian Damkjer
Electronic Theses and Dissertations, 2020-2023
In the last decade, airborne laser scanning (ALS) systems have evolved to provide increasingly high-fidelity topographic mapping data. Point clouds and derivative models now rival photogrammetrically-derived equivalents. Yet, despite technological advancement and widespread adoption of light detection and ranging (LiDAR) data, sampling guidance and data quality (DQ) assessment remains an open area of research due to the volumetric and irregularly sampled nature of point clouds and the persistent influence of assumptions from early point scanning LiDAR systems on assessment methods. This dissertation makes several contributions to the research area by considering point cloud sampling strategies and DQ assessment from an …
A Holistic Approach To Asses The Determinants Of Travel-Tracking Mobile Application Acceptance, Marcos De Medeiros
A Holistic Approach To Asses The Determinants Of Travel-Tracking Mobile Application Acceptance, Marcos De Medeiros
Electronic Theses and Dissertations, 2020-2023
This thesis investigated factors affecting travelers' intention to adopt a new type of travel-focused mobile application named travel-tracking mobile applications (TTMA). In general, TTMAs enable travelers to act as travel-posters (i.e., those who use the application to record and post/share their travel routes and travel-related information and experiences), and/or travel-takers (i.e., those who use the application to access, read, and follow the travel routes and other travel-related information and experiences posted/shared by travel-posters). By adopting an extended version of the Unified Theory of Acceptance and Use of Technology 2 (UTAUT2) framework (Venkatesh et al., 2012), the first part of the …
Modeling Flow And Nitrate Transport In Karst Groundwater Basins, Yuan Gao
Modeling Flow And Nitrate Transport In Karst Groundwater Basins, Yuan Gao
Electronic Theses and Dissertations, 2020-2023
Understanding the groundwater flow in karst aquifers and the effect of best management practices (BMPs) on nitrate decrease in spring discharge is critical for effective management and protection of karst water resources. However, the control on the conduit network's impacts on spring discharge and nitrate concentration is not fully understood, and the cumulative effects of BMP on reducing nitrate in karst groundwater systems have not been evaluated at the basin scale. In this dissertation, a coupled Conduit Flow Process (CFPv2) and Conduit Mass Three-Dimensional (CMT3D) model was applied to evaluate the biosorption-activated media (BAM)-based BMP on nitrate removal in Silver …
Fruits In Dakhleh: Isotopic And Bayesian Mixed-Model Reconstruction Of Food Source Contributions And Diet At Kellis 2 Cemetery, Dakhleh Oasis, Egypt, Melissa Gomez
Electronic Theses and Dissertations, 2020-2023
This thesis applies a new methodology to dietary reconstructions of a unique population excavated from Kellis 2, a Romano-Christian era (c.50-450 AD) cemetery located in the ancient city of Kellis, Dakhleh Oasis, Egypt. Previously, stable carbon and nitrogen isotope analyses were conducted on bulk hair keratin from 216 individuals to examine their dietary practices and health status. Although this research identified the presence of specific dietary choices in the community, the researchers were not able to determine what fraction of the diet was composed of those resources. This is the first such study to use a priori dietary reconstruction data …
Viscoelastic Analysis Of High Strain Composites For Deployable Structures In Space Applications, Andrew Gomez-Delrio
Viscoelastic Analysis Of High Strain Composites For Deployable Structures In Space Applications, Andrew Gomez-Delrio
Electronic Theses and Dissertations, 2020-2023
Thin-ply composite laminates capable of enduring high strains are currently under investigation for compliant deployable spacecraft structures. Deployable structures such as booms fabricated from these materials can be flattened and coiled to high curvatures, achieving a compact configuration for stowage. Once in orbit, they are released with minimal actuation for deployment, allowing the operational geometry to be recovered. Previous studies have shown that the viscoelastic properties of the composite epoxy matrix can negatively impact final shape accuracy due to stress relaxation during stowage. In addition, since the strain energy stored is relied upon for deployment, considerable relaxation can potentially result …
Behavior Specialist Experiences Of Roles And Responsibilites In Inclusive Trauma Informed Schools, Stephanie Jackson
Behavior Specialist Experiences Of Roles And Responsibilites In Inclusive Trauma Informed Schools, Stephanie Jackson
Electronic Theses and Dissertations, 2020-2023
With the implementation of the Marjory Stoneman Douglas Act (SB-7026) and the introduction of the Trauma Informed Schools Act of 2019 (H.R. 4146), the need for well-prepared behavior specialists is critical as well as, difficult in inclusive public school settings. Improving structures within the trauma-informed schools model that address challenges that individuals in these roles face will require a better understanding of the ideal day-to-day roles and responsibilities that behavior specialist have. Specifically, their roles need to be understood by school-based administrators who will support them. The purpose of this qualitative investigation was to explore how five female behavior specialists, …
Computational Methods For Discovery And Analysis Of Rna Structural Motifs, Shahidul Islam
Computational Methods For Discovery And Analysis Of Rna Structural Motifs, Shahidul Islam
Electronic Theses and Dissertations, 2020-2023
Understanding the 3D structural properties of RNAs will play a critical role in identifying their functional characteristics and designing new RNAs for RNA-based therapeutics and nanotechnology. In an attempt to achieve a better insight into RNAs, biochemical experiments have been conducted to produce data with positional details of atoms in RNA structures. This data has created opportunities for applying computational analysis to solve various biological problems. In this dissertation, we have addressed annotation issues of base-pairing interactions in the low-resolution structure data and presented new methods to analyze RNA structural motifs. Annotating base-pairing interactions is one of the critical steps …
Investigating The Inclusiveness Of Stem Courses And Reducing Barriers By Using The Universal Design For Learning Framework, Westley James
Investigating The Inclusiveness Of Stem Courses And Reducing Barriers By Using The Universal Design For Learning Framework, Westley James
Electronic Theses and Dissertations, 2020-2023
Students with disabilities are in postsecondary STEM courses and degree programs, but only a few studies have investigated how STEM courses can be designed to support students with disabilities. We began addressing this gap by interviewing students with diagnoses characterized by variations in executive functions about their experiences in postsecondary STEM courses. We analyzed the interviews through a social relational perspective of disability as this allowed us to identify how course structures disable students from effective engagement with STEM courses. We found STEM courses present heightened barriers compared to non-STEM courses, with common barriers including a lack of resources and …
Towards Scalable Network Traffic Measurement With Sketches, Rhongho Jang
Towards Scalable Network Traffic Measurement With Sketches, Rhongho Jang
Electronic Theses and Dissertations, 2020-2023
Driven by the ever-increasing data volume through the Internet, the per-port speed of network devices reached 400 Gbps, and high-end switches are capable of processing 25.6 Tbps of network traffic. To improve the efficiency and security of the network, network traffic measurement becomes more important than ever. For fast and accurate traffic measurement, managing an accurate working set of active flows (WSAF) at line rates is a key challenge. WSAF is usually located in high-speed but expensive memories, such as TCAM or SRAM, and thus their capacity is quite limited. To scale up the per-flow measurement, we pursue three thrusts. …
Neurophysiological Correlates Of Trust In Robots, Theresa Kessler
Neurophysiological Correlates Of Trust In Robots, Theresa Kessler
Electronic Theses and Dissertations, 2020-2023
This work is designed to address the questions as to what drives and collapses trust between a human and a robot. Such information is needed to properly design automated decision aids. Human-robot trust (HRT) has traditionally been measured by questionnaires, which can be subject to lack of participant understanding, disengagement, and dishonesty. Therefore, implicit measures of trust are needed to measure HRT. The goal here is to identify neuro-physiological underpinnings (implicit measures) for HRT to assist designers in the development of automated robotic aids. More specifically, experiment one, looked to determine the effects of witnessing robot error on skin conductance …
Two Pink Lines: Exploring Florida's Pregnancy-Associated Intimate Partner Homicides, Sonya Spence
Two Pink Lines: Exploring Florida's Pregnancy-Associated Intimate Partner Homicides, Sonya Spence
Electronic Theses and Dissertations, 2020-2023
Pregnancy-associated Homicides (PAHs) are homicides committed while a woman is pregnant, and recent reports from Florida's Pregnancy-associated Mortality Review (PAMR) suggest that it is a leading cause of unnatural deaths for pregnant women. However, a study has not examined the motives, characteristics, and underlying factors behind these homicides. Therefore, this study explored Florida's Pregnancy-associated Intimate Partner Homicides (PAIPHs) using a sample of women that were reportedly pregnant at the time of their mortality (n=33), as well as a comparison group of not-pregnant women (n=33). To conduct the study, reported homicide data from news sources, police reports, and other public records …
Household Economies And Socioeconomic Integration: An Analysis Of Obsidian Artifacts From Coba, Quintana Roo And Yaxuna, Yucatan, Mexico, Danielle Waite
Household Economies And Socioeconomic Integration: An Analysis Of Obsidian Artifacts From Coba, Quintana Roo And Yaxuna, Yucatan, Mexico, Danielle Waite
Electronic Theses and Dissertations, 2020-2023
Using Handheld XRF (X-Ray Fluorescence), this thesis explores how household economies at two Maya archaeological sites, Coba and Yaxuna, differed during a period of expansion and integration from the Early to Late Classic transition period (A.D. 500-750/800). Previous research suggests that during this time, Yaxuna was under the direction of Coba, however, due to the lack of household archaeology at both sites, how the bridging of these two centers impacted households and their domestic economies remains unknown. A compositional analysis of 1,186 obsidian artifacts recovered by the Proyecto de Interaccion Politica del Centro de Yucatan and the Proyecto Sacbe Yaxuna-Coba …
Rotational And Shower Head Cooling Hole Effects On Leading-Edge Jet Impingement Heat Transfer, Weston Olson
Rotational And Shower Head Cooling Hole Effects On Leading-Edge Jet Impingement Heat Transfer, Weston Olson
Electronic Theses and Dissertations, 2020-2023
Jet Impingement and shower head cooling are critical cooling techniques used to maintain turbine blades at operational temperatures. Jet impingement is extremely effective at removing large amounts of heat flux from the target surface, the inner blade wall, through stagnation point heat transfer. Shower head cooling produces a cooling film around the exterior of the blade, in return reducing external heat flux. The current work consisted of investigating the jet impingement effectiveness with rotational effects for two different cooling schemes. The analysis was conducted numerically using STAR CCM+ with two different turbulence models, the three equation Lag Elliptic Blending K …
Design Of Ternary Operations Utilizing Flow-Based Computing, James Pyrich
Design Of Ternary Operations Utilizing Flow-Based Computing, James Pyrich
Electronic Theses and Dissertations, 2020-2023
The development of algorithms and circuit designs that exploit devices that have the ability to persist multiple values will lead to alternative technologies to overcome the issues caused by the end of Dennard scaling and slowing of Moore's Law. Flow-based designs have been used to develop binary adders and multipliers. Data stored on non-volatile memristors are used to direct the flow of current through nanowires arranged in a crossbar. The algorithmic design of the flow-based crossbar is fast, compact, and efficient. In this paper, we seek to automate the discovery of flow-based designs of ternary circuits utilizing memristive crossbars.
Towards Robust Artificial Intelligence Systems, Sunny Raj
Towards Robust Artificial Intelligence Systems, Sunny Raj
Electronic Theses and Dissertations, 2020-2023
Adoption of deep neural networks (DNNs) into safety-critical and high-assurance systems has been hindered by the inability of DNNs to handle adversarial and out-of-distribution input. State-of-the-art DNNs misclassify adversarial input and give high confidence output for out-of-distribution input. We attempt to solve this problem by employing two approaches, first, by detecting adversarial input and, second, by developing a confidence metric that can indicate when a DNN system has reached its limits and is not performing to the desired specifications. The effectiveness of our method at detecting adversarial input is demonstrated against the popular DeepFool adversarial image generation method. On a …
The Susceptibility Of Deep Neural Networks To Natural Perturbations, Mesut Ozdag
The Susceptibility Of Deep Neural Networks To Natural Perturbations, Mesut Ozdag
Electronic Theses and Dissertations, 2020-2023
Deep learning systems have achieved great success in various types of applications in recent years. They are increasingly being adopted for safety-critical tasks such as face recognition, surveillance systems, speech recognition, and autonomous driving. On the other hand, it has been found that deep neural networks (DNNs) can easily be fooled by adversarial input samples. These imperceptible perturbations on images can lead any machine learning system to misclassify the objects with high confidence. Furthermore, they can be almost indistinguishable to a human observer. These systems can also be exposed to adverse weather conditions such as fog, rain, and snow. This …
Why Experienced Incivility Triggers Instigated Incivility: Combining The Affect-Based And Resource-Based Pathways, Xin Peng
Electronic Theses and Dissertations, 2020-2023
Ever since Andersson and Pearson's seminal work (1999), incivility has become one of the most commonly studied forms of mistreatment in the organizational sciences (Hershcovis, 2011). While research to date has yielded significant findings about the effects of experienced incivility, far less is known about the underlying mechanisms that linked experienced incivility and instigated incivility. Among the limited studies investigating the positively relationship between experienced incivility and instigated incivility, two distinct theoretical frameworks, affective-based perspective and resource-based, were drew upon. And these two perspectives have never been examined in the same model. To this end, I investigated negative affect (affect-based …
Removal Of Heavy Metals From Landfill Leachate Using Electrospun Polyelectrolyte Complex Fiber-Laminated Ultrafiltration Membrane, Amirsalar Rabbani Esfahani
Removal Of Heavy Metals From Landfill Leachate Using Electrospun Polyelectrolyte Complex Fiber-Laminated Ultrafiltration Membrane, Amirsalar Rabbani Esfahani
Electronic Theses and Dissertations, 2020-2023
Ultrafiltration (UF) is a low-pressure membrane process that yields higher permeate flux and saves significant operating costs compared to NF/RO. However, UF has not been applied as a primary method for landfill leachate treatment due to its large pore size. This research investigated the removal of heavy metals from landfill leachate using an UF membrane laminated with fiber mats produced from electrospinning of a polyelectrolyte complex. In this research, we modified the surface of the UF membrane with two polyelectrolytes including Polyacrylic Acid (PAA) and Polyallylamine Hydrochloride (PAH). The removal of heavy metals including Pb, Cd, and Cu from water …
The Scoop, Vol. 6 Issue 10, January 2020, Health Sciences Library
The Scoop, Vol. 6 Issue 10, January 2020, Health Sciences Library
Volume 6
Latest news and events from the Health Sciences Library in our monthly newsletter for January 2020.