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Articles 44041 - 44070 of 44844
Full-Text Articles in Entire DC Network
A Study Of K-5 Teacher Perceptions Of Home Visits On Attitude, Belief, And Behavior, Dene E. Gainey
A Study Of K-5 Teacher Perceptions Of Home Visits On Attitude, Belief, And Behavior, Dene E. Gainey
Theses and Dissertations
The purpose of the qualitative descriptive study was to explore teacher perceptions of attitudes, behaviors, and beliefs as it pertained to home visits. The body of research available prior to the study focused on parent appreciation and takeaways from home visit experiences and/or students’ achievement as it pertained to having experienced a teacher coming into their home environments. Specifically, the researcher wanted to understand how K-5 teachers perceived their attitudes, behaviors, and beliefs prior to conducting home visits, during home visits and after the home visits were completed.
Through semi-structured interviews, participants were asked a series of questions that were …
A Qualitative Descriptive Study Of The Perspectives Of Health Care Leaders Concerning The Implementation Of Telehealth, Gary Gerard Camille
A Qualitative Descriptive Study Of The Perspectives Of Health Care Leaders Concerning The Implementation Of Telehealth, Gary Gerard Camille
Theses and Dissertations
The purpose of this qualitative descriptive study was to explore how healthcare leaders on the east coast United States described the role of implementing, the outer setting, inner setting, individual characteristics, and the process when implementing telehealth in a patient-centered care environment in hospitals and healthcare facilities.
The study used a qualitative method with a descriptive design to capture the descriptions of the participant’s experience during the implementation of telehealth in a patient centered care environment in different health care facilities in east coast of the United States. Due to the onset of the Covid-19 pandemic, the interview sessions and …
The Adolescent Community Reinforcement Approach With Contingency Management: Examining The Effectiveness Of Relapse Prevention Program For Adolescents, Gwendolyn Bullard
The Adolescent Community Reinforcement Approach With Contingency Management: Examining The Effectiveness Of Relapse Prevention Program For Adolescents, Gwendolyn Bullard
Theses and Dissertations
This applied dissertation was designed to examine the efficacy of the adolescent community reinforcement approach with and without contingency management to improve the lives of adolescents with substance use disorder in relapse prevention programs. Adolescents with substance use disorder do not have access to effective continuing care and relapse prevention in rural towns in the state of Georgia. There is no ongoing care for adolescents with substance use disorder that incorporates a comprehensive treatment plan that includes community reinforcement approaches along with contingency management.
Relying on a multi-element research design, the researcher investigated the interaction between the adolescent community reinforcement …
Middle School Mainstream Educators’ Perceptions Of Preparedness For Teaching English Language Learners, Jessica Lebron
Middle School Mainstream Educators’ Perceptions Of Preparedness For Teaching English Language Learners, Jessica Lebron
Theses and Dissertations
This applied dissertation was crafted to investigate the perspectives of middle school educators concerning their preparedness to instruct English language learners (ELL), an expanding subgroup of students. Given that over half of the student population in the target school district communicates in languages other than English at home, there is a heightened emphasis on fostering language and cultural connections between educators and students. Despite this, a significant number of educators within the school expressed a sense of inadequacy in teaching ELL students. In response to these concerns, some educators proactively sought additional, more specialized professional development opportunities to enhance their …
A Qualitative Study: Sex Offenders’ Perceptions Of The State’S Sex Offender Registry, Ann Marie Elliott
A Qualitative Study: Sex Offenders’ Perceptions Of The State’S Sex Offender Registry, Ann Marie Elliott
Theses and Dissertations
Sex offender registries (SOR) were created because of gruesome crimes committed against minors and the vulnerable, and they serve as a punishment. Empirically, SORs have become more functional over the years, so providing accurate information should be fundamental. It is the topic of discussion in many conversations, specifically during holidays and events involving minors, and it is used for background searches and ongoing investigations. Consequently, society expects the information displayed to be precise. Inaccurate information can potentially be harmful, especially to sex offenders. Nevertheless, when SOR is mentioned, rightfully so, society, including law enforcement, immediately exhibits sympathetic emotions for the …
In Their Own Words: The Unique Perceptions Of Minority Encounters With Law Enforcement, Summer Louis
In Their Own Words: The Unique Perceptions Of Minority Encounters With Law Enforcement, Summer Louis
Theses and Dissertations
This study explores the perceptions of people of color who have experienced interactions with law enforcement during adulthood. Utilizing a qualitative approach, in-depth interviews were conducted with a purposive sample of 12 individuals of color. The findings illuminated various perceptions significantly influenced by personal experiences and community context. The most prominent themes identified by the majority of participants include: (1) frequency of police encounters; (2) personal experiences with law enforcement; (3) negative experiences; (4) racial profiling; (5) police misconduct or mistreatment; (6) police use of force and excessive force; (7) contributing factors to these experiences; (8) perceptions of law enforcement …
Pressure Points: A Quantitative Study Of Young Adults Perception Of Police Officers, Yasmean Talas
Pressure Points: A Quantitative Study Of Young Adults Perception Of Police Officers, Yasmean Talas
Theses and Dissertations
This study aimed to quantify factors contributing to young adults' perceptions of law enforcement based on their experiences and exchanges with police. Data were collected via an online survey from young adults to assess variables such as peer influence, familial influence, social media impact, police interactions, and perceptions of law enforcement (POPS).
On average, participants exhibited neutral perceptions of law enforcement. The analyses revealed significant relationships between family influence, social media impact, police interactions, and POPS scores. Specifically, family and police interactions showed significantly positive associations with POPS scores, indicating that strong family bonds and positive police interactions tend to …
Case Study: Implementing Strategies To Meet The Needs Of English Language Learners, Sierra Brooks
Case Study: Implementing Strategies To Meet The Needs Of English Language Learners, Sierra Brooks
Theses and Dissertations
This applied dissertation was designed to provide an understanding of effective ways to meet the needs of English language learners. To focus its inquiry and gain a thorough understanding of the experiences and methods of teachers in various classroom environments, the study used a case study approach. Extensive interviews with the participants yielded interesting insights into the methods they use to tailor their instruction to the requirements of their students as well as the useful resources they include into their instruction. A thorough grasp of instructional dynamics was also made possible by the participants' permission for the researcher to observe …
Strategies Teachers Use To Encourage Student Reading Motivation And Engagement In The High School Setting: A Generic Qualitative Study, Shelia Tate
Theses and Dissertations
This applied dissertation was designed to provide an understanding of the practices and strategies used by Title 1 high school teachers to promote student reading motivation and engagement. Engaging students in the curriculum and motivating them to read is essential to a successful classroom experience. As districts move to a more prescribed curriculum with provided scope and sequence, teachers look for ways to engage their students and provide relevant resources to meet their students' needs creatively.
The researcher interviewed teachers to explore their beliefs, strategies, and practices for fostering student reading motivation and classroom engagement in high school. The guiding …
Female Offenders: Exploring Risk Factors For Adulthood Violence, Lauren N. Fowler
Female Offenders: Exploring Risk Factors For Adulthood Violence, Lauren N. Fowler
Theses and Dissertations
The number of females under correctional supervision has been increasing in the last four decades. For adult women, these offenses are generally drug offenses; however, there have also been increases in the number of women committing violent crimes. Unfortunately, violent females are an understudied population, which limits the data available to inform programs and policies that could address the problem. This study explored potential factors related to violent behavior among adult females by analyzing public-use data from the Bureau of Justice Statistics’ Survey of Prison Inmates, 2016. More specifically, violent and nonviolent state and federal female inmates were assessed regarding …
Exploring The Role Of The Teacher In Motivating Students To Learn Mathematics At Alternative High Schools, Anne-Marie Johanne Mohammed
Exploring The Role Of The Teacher In Motivating Students To Learn Mathematics At Alternative High Schools, Anne-Marie Johanne Mohammed
Theses and Dissertations
The purpose of this applied dissertation was to provide an in-depth understanding of the teacher’s role in motivating students to learn mathematics at alternative high schools because motivation impacts academic achievement in mathematics. Students in South Florida must pass an end-of-course exam in algebra as a requirement to receive a high school diploma. Therefore, it is essential that students are motivated to learn the mathematics concepts that are necessary to pass the end-of-course exam. This research study was guided by the following research questions:
1. How and in what ways do mathematics teachers adjust and integrate instructional strategies to support …
Active Code Learning: Benchmarking Sample-Efficient Training Of Code Models, Qiang Hu, Yuejun Guo, Xiaofei Xie, Maxime Cordy, Lei Ma, Mike Papadakis, Yves Le Traon
Active Code Learning: Benchmarking Sample-Efficient Training Of Code Models, Qiang Hu, Yuejun Guo, Xiaofei Xie, Maxime Cordy, Lei Ma, Mike Papadakis, Yves Le Traon
Research Collection School Of Computing and Information Systems
The costly human effort required to prepare the training data of machine learning (ML) models hinders their practical development and usage in software engineering (ML4Code), especially for those with limited budgets. Therefore, efficiently training models of code with less human effort has become an emergent problem. Active learning is such a technique to address this issue that allows developers to train a model with reduced data while producing models with desired performance, which has been well studied in computer vision and natural language processing domains. Unfortunately, there is no such work that explores the effectiveness of active learning for code …
Soci+: An Enhanced Toolkit For Secure Outsourced Computation On Integers, Bowen Zhao, Weiquan Deng, Xiaoguo Li, Ximeng Liu, Qingqi Pei, Robert H. Deng
Soci+: An Enhanced Toolkit For Secure Outsourced Computation On Integers, Bowen Zhao, Weiquan Deng, Xiaoguo Li, Ximeng Liu, Qingqi Pei, Robert H. Deng
Research Collection School Of Computing and Information Systems
Secure outsourced computation is critical for cloud computing to safeguard data confidentiality and ensure data usability. Recently, secure outsourced computation schemes following a twin-server architecture based on partially homomorphic cryptosystems have received increasing attention. The Secure Outsourced Computation on Integers (SOCI) [1] toolkit is the state-of-the-art among these schemes which can perform secure computation on integers without requiring the costly bootstrapping operation as in fully homomorphic encryption; however, SOCI suffers from relatively large computation and communication overhead. In this paper, we propose SOCI+ which significantly improves the performance of SOCI. Specifically, SOCI+ employs a novel (2,2)-threshold Paillier cryptosystem with fast …
Characterization Of A Single Bladed Propeller Used For Actuating An Autonomous Undersea Vehicle, Donald Samuel Alexander
Characterization Of A Single Bladed Propeller Used For Actuating An Autonomous Undersea Vehicle, Donald Samuel Alexander
Open Access Master's Theses
An asymmetric propulsion design using a single bladed propeller is proposed as a viable method for a Unmanned Undersea Vehicle (UUV) to obtain maneuvering capability in all 6 Degrees of Freedom (DOF) with a single actuator. This substantially reduces the cost of the UUV while enabling it to perform missions which could be assigned to an Autonomous Undersea Vehicle (AUV) or Remotely Operate Vehicle (ROV). However, they are also extremely expensive for most research applications. Current UUV architecture is either optimized for long endurance survey missions as AUVs or precise maneuvering as tethered ROVs. Both versions require several hull actuators …
A C-Met Receptor Targeting Nanoparticle Platform For Combination Therapy Against Hepatocellular Carcinoma, Subarna Das
A C-Met Receptor Targeting Nanoparticle Platform For Combination Therapy Against Hepatocellular Carcinoma, Subarna Das
Open Access Master's Theses
Hepatocellular carcinoma (HCC) poses a significant global health challenge, being the sixth most common cancer and the third leading cause of cancer death, with over 906,000 new cases and 830,000 fatalities globally in 2020. Conventional HCC treatments like surgery, transarterial chemoembolization (TACE), and chemotherapy are limited by high recurrence rates, limited patient eligibility - particularly applicable only to a subset with early-stage disease and optimal liver function - and chemoresistance, complicating effective disease management. Existing targeted drug therapies are often hampered by limited efficacy, with many patients experiencing rapid disease progression or significant adverse effects. This situation is further exacerbated …
Rcs-Slam: Range Of Communication Swarm Slam, Adam J. Hoburg
Rcs-Slam: Range Of Communication Swarm Slam, Adam J. Hoburg
Open Access Master's Theses
This work presents Range of Communication Swarm SLAM (RCS-SLAM) as a novel approach to simultaneous localization and mapping (SLAM) that is better suited for swarm robotic systems. RCS-SLAM introduces a novel SLAM front-end that leverages the effective range of an inter-robot communication medium to add inequality constraints between nodes in a pose graph whenever two robots communicate or relay communications. The centralized SLAM back-end then converts the inequality constrained pose graph into an unconstrained optimization problem using the penalty method to enforce the maximum possible range between communicating nodes. Converting to an unconstrained problem allows for the estimate to optimized …
Innovative Bioink Formulation For 3d Bioprinting Of Tissue-Engineered Intervertebral Disc Implants, Sophia Boiani
Innovative Bioink Formulation For 3d Bioprinting Of Tissue-Engineered Intervertebral Disc Implants, Sophia Boiani
Open Access Master's Theses
Intervertebral disc (IVD) degeneration is a significant contributor to back pain and disability globally, necessitating advancements in treatment options. This thesis presents the development and characterization of a novel bioink to be used for generating 3D bioprinted tissue-engineered constructs of the nucleus pulposus (NP) region of the IVD. The bioink, a composite of methylcellulose (MC, 7 wt%), polyethylene glycol diacrylate (PEGDA, 15 wt%), and Lithium phenyl-2,4,6-trimethylbenzoylphosphinate (LAP, 0.1 wt%), is optimized for enhanced mechanical properties and cellular integration. Polylactic-co-glycolic acid (PLGA) nanoparticles were also incorporated in the hydrogel to potentially delivery growth factors in the future, which will support cell …
Contested Landscapes: The Origins And Consequences Of Rhode Island’S Land-Grant Institutions (1862-1892), Jenny Sullivan
Contested Landscapes: The Origins And Consequences Of Rhode Island’S Land-Grant Institutions (1862-1892), Jenny Sullivan
Open Access Master's Theses
The Morrill Act of 1862 granted states thousands of acres of federal land, or land scrip for those states that did not have sufficient available public land, for the development of higher education institutions throughout the United States. Rhode Island was granted 120,000 acres of scrip to be located, sold, and then invested in stocks to create an endowment. The mismanagement of this allocation caused Rhode Island to earn the lowest cents/acre payout from the scrip lands. Land dispossession occurred on many levels, over many years, and the scars of these historic policies are still seen and felt today. However, …
A Longitudinal Study Of Nonword Repetition In Bilingual Typically-Developing Children And Bilingual Children With Developmental Language Disorder, Melissa Kluglein
A Longitudinal Study Of Nonword Repetition In Bilingual Typically-Developing Children And Bilingual Children With Developmental Language Disorder, Melissa Kluglein
Open Access Master's Theses
This study aims to investigate nonword repetition (NWR) performance longitudinally in Spanish-English bilingual children with and without Developmental Language Disorder (DLD). Two hundred and thirty -- typically- developing (TD) children and 41 children with DLD participated in NWR tasks in both English and Spanish. These children entered the study and were followed for 2 to 4 years between kindergarten to fifth grade. Language ability status, age, age of first exposure to English, percent of current language use, semantics, and morphosyntax measures were collected. The results indicated that, when comparing rates of change (slopes) between TD and DLD groups, there was …
Motor Insurance Claims Prediction: Comparative Study Using Machine Learning, Sankhadip Roy
Motor Insurance Claims Prediction: Comparative Study Using Machine Learning, Sankhadip Roy
Open Access Master's Theses
The report by the Insurance Information Institute underscores a notable increase in both claims frequency and severity, particularly highlighting a significant surge in accident claim severity within US car insurance from 2010 to 2019. Simultaneously, there has been a marked rise in the average expenditure on US car insurance during this timeframe. These shifts emphasize the critical need for accurate predictions to fine-tune premium adjustments and enhance the accessibility of car insurance coverage for a broader demographic of drivers. Consequently, numerous insurance companies are transitioning from traditional methodologies to incorporate machine learning (ML) techniques, providing a more sophisticated and reliable …
The Interaction Of Early Life Experiences, Physical Health, And Socio-Economic Status On Neurocognitive Function In Youth, Janis Gaudreau
The Interaction Of Early Life Experiences, Physical Health, And Socio-Economic Status On Neurocognitive Function In Youth, Janis Gaudreau
Open Access Master's Theses
Previous research demonstrates that cognitive and brain function and development during childhood are associated with greater physical activity (PA) levels, fitness, income, less adverse early life experiences (ELE), healthier body mass index (BMI), body composition of lean and fat mass, and fewer experiences of mental health disorders.
We used the Child Mind Institute’s Healthy Brain Network open-access dataset to evaluate neurocognitive outcomes in children. We predicted that children with combined greater SES and positive physical health outcomes, alongside fewer adverse ELE, will exhibit greater cognitive function and resting state electroencephalography (EEG) outcomes, and fitness and PA will positively protect neurocognitive …
Knockoff Methods For Nonlinear Feature Selection In Data With Categorical Features, Behrooz Khalil Loo
Knockoff Methods For Nonlinear Feature Selection In Data With Categorical Features, Behrooz Khalil Loo
Open Access Master's Theses
This thesis addresses the challenge of nonlinear feature selection in datasets that include categorical features. Conventional feature selection methods often struggle with nonlinear relationships and are ineffective in handling categorical variables. This limitation leads to suboptimal model performance and interpretability issues. Therefore, there is an urgent need to develop methodologies that can robustly handle nonlinearities and categorical features simultaneously.
To tackle this problem, this thesis proposes and explores novel knockoff methods. Knockoff methods have shown promise in feature selection tasks by generating "knockoff" features that mimic the statistical properties of the original features, enabling robust variable selection while controlling the …
Seasonal And Spatial Variations Of The Sediment Transport Along The Southern Shore Of Rhode Island, Pumee Rojchanaborworn
Seasonal And Spatial Variations Of The Sediment Transport Along The Southern Shore Of Rhode Island, Pumee Rojchanaborworn
Open Access Master's Theses
This study investigates sediment transport trends in southern Rhode Island by analyzing seasonal and spatial variations in different wave climates using numerical models, specifically XBeach and Simulating Waves Nearshore (SWAN). SWAN simulates offshore wave propagation, while XBeach simulates beach morphology and sediment transport. In terms of temporal variability, this study focuses on Green Hill Beach, Rhode Island, and simulates four seasonal storm conditions, including Hurricane Sandy, Hurricane Irene, nor’easter in the Spring of 2013, and nor’easter in the Fall of 2012. The data from the US Army Corp of Engineers, Northeast Coast Comprehensive Study (NACCS) were also incorporated to examine …
Testing The Ontogenetic Migration Hypothesis In The Emerging Rhode Island Jonah Crab (Cancer Borealis) Fishery Using Stable Isotope Analysis, Lindsay Agvent
Testing The Ontogenetic Migration Hypothesis In The Emerging Rhode Island Jonah Crab (Cancer Borealis) Fishery Using Stable Isotope Analysis, Lindsay Agvent
Open Access Master's Theses
In southern New England, rapid ocean warming over the past two decades has caused substantial redistributions of fishes, invertebrates, and the fisheries they support. The rapid emergence of the warm water-tolerant Jonah crab (Cancer borealis) fishery, once discarded as bycatch from the now declining lobster fishery, illustrates a prime example of climate-adaptive shifts in southern New England fisheries. However, limited data exist on the basic life history of Jonah crab, despite their growing economic and societal value. This lack of knowledge hinders ocean management capacity to meet multiple ecological, economic, and socio-cultural goals of sustainable harvest. Off the …
Benthic Landers In Oceanography – The Design And Justification Of A Multi-Use Novel Benthic Lander System, David M. Nadeau
Benthic Landers In Oceanography – The Design And Justification Of A Multi-Use Novel Benthic Lander System, David M. Nadeau
Open Access Master's Theses
Benthic lander systems can empower researchers with access to long-term high-resolution data streams in challenging to access marine environments. In recent years, landers have emerged as key components for oceanographic research, particularly in the deep ocean due to their ability to work autonomously over long periods. However, these systems are expensive and complex, requiring specialized equipment and knowledge to design, develop, deploy, and recover that reduces broad accessibility to ocean data. Lightweight, cost effective, and multi-use benthic lander systems have the potential to provide economical platforms that reduce logistical barriers to support the next generation of oceanographic research. This project …
Examining The Narratives, Misinformation, And Delay Tactics In Newspaper Coverage Of Offshore Wind Development In Relation To Whale Strandings On The East Coast Of The United States, Rafeed Hussain
Open Access Master's Theses
The United States set a goal to develop 30 gigawatts (GW) of offshore wind energy by 2030 as an ocean-based method to decarbonize the energy grid to combat climate change (The White House, 2021). The problem is that certain opposition groups are adopting delay and misinformation strategies to dissuade offshore wind development (Dunlap & Brulle, 2020; Supran & Oreskes, 2021; Climate and Development Lab, 2023; Slevin et al., 2023) by conflating actual environmental impacts (BOEM & NOAA Fisheries, 2024) with an unusual mortality event of North Atlantic Right Whales and humpback whales on the East Coast of the United States …
Underwater Vehicle Maneuvering With A Singlebladed Propeller, Benjamin C. S. Rahming
Underwater Vehicle Maneuvering With A Singlebladed Propeller, Benjamin C. S. Rahming
Open Access Master's Theses
Current convention in underwater vehicle propulsion utilizes a symmetrical propeller with fins or additional thrusters for maneuvering. These systems can become mechanically and electronically complex requiring multiple sensors and actuators such as motors, motor controllers, encoders and water tight seals. This creates many failure modes. Conversely, an asymmetrical propeller has fewer failure modes as the propeller can maneuver the vehicle by itself. By varying the speed of the blade within the rotation, the resulting force imbalance creates a turning moment in addition to forward thrust. This thesis designs, develops and utilizes a test bed to decipher the six axis dynamic …
Heat Transfer Mechanisms In Gold Nanoparticles Studied Via Pump-Probe Measurements, Ludovica Palazzo
Heat Transfer Mechanisms In Gold Nanoparticles Studied Via Pump-Probe Measurements, Ludovica Palazzo
Open Access Master's Theses
The investigation of gold nanoparticle thin films for cancer therapy is a topic of significant interest in the scientific community. A comprehensive examination of their heat transfer properties is crucial to explore their potential applications in materials science and medicine. This study focuses on measuring and analyzing the heat transfer properties of gold nanorod thin films utilized in cancer therapy, with a specific focus on the effective electron-phonon coupling factor. The thin film was realized through the spin coating of a gold nanorod solution onto a hydrogel platform to ensure adherence between the solution and the glass coverslip. Using pump-probe …
Past And Future Storm-Driven Changes To A Dynamic Sandy Barrier System: Outer Cape Cod, Ma, Daniel Jacob Harrington
Past And Future Storm-Driven Changes To A Dynamic Sandy Barrier System: Outer Cape Cod, Ma, Daniel Jacob Harrington
Open Access Master's Theses
Sandy barrier systems are highly dynamic, with the most significant natural morphological changes to these systems occurring during the high energy conditions present during storms. These systems provide a range of economic and ecosystem benefits and protect inland areas from flooding and storm impacts, but the persistence of many coastal barriers is threatened by storms and sea-level rise (SLR). This study employs observations and modeling to examine recent and potential future influence of storms on a sandy coastal barrier system in Nauset Beach, MA. Drone-derived imagery and digital elevation models (DEMs) of the study area collected throughout the 2023-2024 winter …
Accessioning Practices Of University Teaching Collections, Arianna Gutierrez
Accessioning Practices Of University Teaching Collections, Arianna Gutierrez
Open Access Master's Theses
Many universities with historic textile and costume collections are not able to follow museum standard accessioning practices or policies because the unique nature of university teaching collections often necessitates the creation of custom practices. As a result, collections managers must create custom accessioning practices that address the specific challenges that their collections face.
This study meticulously surveyed university historic textile and costume collections in the United States to determine their accessioning practices and policies and how the challenges they faced influenced these practices. A comprehensive literature review was conducted to create a list of interview questions that accurately evaluated accession …