Digital Commons Network^™

Assessing The Viability Of Blockchain To Impact The Antiquities Trade, Derek Fincham

Cardozo Arts & Entertainment Law Journal

Blockchain, the technology underpinning Bitcoin and other digital currencies, offers promise to shift the gathering and sharing of information in profound ways. It could help form a new kind offinancial system that limits current inefficiencies, or even radically change how parties enter into contract, or monitor supply chains. The technology's distributed ledger allows users in a network to monitor and access peer-to-peer digital transactions in real time. This digital ledger allows users to maintain this information securely by encrypting and allowing access only to those who have permission, given by cryptographic keys.

For the art market, blockchain offers a tantalizing …

The Peculiar Case Of State Network Neutrality Regulation, Thomas B. Nachbar

Cardozo Arts & Entertainment Law Journal

In the wake of the FCC's recent decision to rescind federal network neutrality rules, several states have implemented their own network neutrality regulations, some in the form of procurement conditions on state contracts and others affirmative mandates requiring broadband Internet service providers to observe neutrality in providing service. The federal government and industry trade associations have challenged the state network neutrality laws as both preempted and unconstitutional under the "dormant Commerce Clause" doctrine.

This paper analyzes those state restrictions as a matter of constitutional law. The Court has recently changed dormant Commerce Clause law, liberalizing those limits with regard to …

Entropy Analysis Of High-Definition Transcranial Electric Stimulation Effects On Eeg Dynamics, Diego C. Nascimento, Gabriela Depetri, Luiz H. Stefano, Osvaldo Anacleto, Joao P. Leite, Dylan J. Edwards, Taiza E. G. Santos, Francisco Louzada Neto

Research outputs 2014 to 2021

A foundation of medical research is time series analysis—the behavior of variables of interest with respect to time. Time series data are often analyzed using the mean, with statistical tests applied to mean differences, and has the assumption that data are stationary. Although widely practiced, this method has limitations. Here we present an alternative statistical approach with sample analysis that provides a summary statistic accounting for the non-stationary nature of time series data. This work discusses the use of entropy as a measurement of the complexity of time series, in the context of Neuroscience, due to the non-stationary characteristic of …

Behavior Of Fillet Welds In Skewed Joints, Mohamed Salah Gallow

All ETDs from UAB

Fillet weld connections are very common in steel structures because they are easier and cheaper than other types of welded connections, such as groove welds. Several studies were performed on fillet weld of right dihedral angle, such as T-joints weld, to specify its capacity and failure mechanisms under different load directions. Nevertheless, the fillet weld strength analysis is based solely on the shear strength of the weld. Additionally, many of the current details commonly used for T-Joints were based on the requirements for groove welds. Fillet weld design concepts for skewed T-joints in the AWS D1.1 and AISC specifications are …

Tensor Decompositions And Rank Approximation Of Tensors With Applications, Ramin Goudarzi Karim

All ETDs from UAB

Tensor decompositions are higher-order analogues of matrix decompositions which have applications in data analysis, signal processing, machine learning and data mining. One of the most challenging problems in the tensor decomposition area is to approximate the rank of a given tensor. Unlike the matrix case there is no simple formula to bound the rank of a tensor. In fact, finding the exact rank of a tensor is an NP hard problem. In this thesis we formulate the tensor rank estimation of a tensor as an optimization problem and estimate the rank via $\ell_1$ minimization. We propose a numerical iterative method …

Oscillatory Behavior Of Hollow Grid Cathode Discharges, Roman Schrittwieser, Claudia-Teodora Teodorescu-Soare, Florin Enescu, Codrina Ionita, Dan-Gheorghe Dimitriu, Silviu Gurlui, Federico Mazzanti, Stefan-Andrei Irimiciuc, Bianca Hodoroaba, Turlough O'Hara, Ovidiu Vasilovici, Lidia Amarandi

Conference Papers

Multiple complex space-charge structures in unmagnetized low-temperature plasmas arise from ionization phenomena near additional negatively or positively biased electrodes or due to local constraints. Because of their usually spherical form, such structures are called fireballs. If they appear inside hollow grids, they are called inverted fireballs or plasma bubbles. The temporal evolution of such structures is often accompanied by strong plasma instabilities. The dynamics of complex space-charge structures have been investigated by using single spherical grid cathode with an orifice. Langmuir probe and optical emission spectroscopy were used to diagnose the structures. Measurements delivered the axial profiles of the plasma …

Understanding Student Charters Through Psychological Contracts In Higher Education: A Grounded Theory Approach, Julie Ann Osborn

Other Faculty of Health Theses

The introduction of higher fees and globalisation have created a competitive environment in which UK universities operate. Higher fees and globalisation have placed emphasis on higher education institutions operating as a profit driven sector with feedback sought from consumers in the form of large scale surveys e.g. National Student Survey (NSS). Our understanding of the student experience has been framed within a broadly positivist framework, which arguably limits our understanding. The purpose of this study was to trial a new way of exploring the student experience. This novel approach used the psychological contract as a sensitising concept. It has been …

A Framework For Improving The Teaching Of Mathematics To Bi/Multilingual Learners, Kara Mitchell Viesca, Nicole M. Joseph, Nancy L. Commins

Department of Teaching, Learning, and Teacher Education: Faculty Publications

To teach mathematics well to bi/multilingual learners, we propose that mathematics teachers should consider the following five elements: know the content, know the language, know the learner, engage the community and assess meaningfully. This chapter defines each of these elements, explores how they are put into practice, and shares the responses of teachers who have participated in online professional development organized around each element. By approaching mathematics teaching with these elements in mind, teachers can more effectively support high levels of learning and achievement for bi/multilingual learners across levels of English proficiency and grade levels.

Supporting Representation-Rich Problem-Solving In High School Physics, Lyrica L. Lucas, Elizabeth B. Lewis

Department of Teaching, Learning, and Teacher Education: Faculty Publications

Findings from physics education research strongly point to the critical need for teachers’ use of multiple representations in their instructional practices such as pictures, diagrams, written explanations, and mathematical expressions to enhance students' problem‐solving ability. In this study, we explored use of problem‐solving tasks for generating multiple representations as a scaffolding strategy in a high school modeling physics class. Through problem‐solving cognitive interviews with students, we investigated how a group of students responded to the tasks and how their use of such strategies affected their problem‐solving performance and use of representations as compared to students who did not receive explicit, …

Engaging Preservice Secondary Science Teachers In An Ngss-Based Energy Lesson: A Nanoscience Context, Deepika Menon, Mary Sajini Devadas

Department of Teaching, Learning, and Teacher Education: Faculty Publications

The new approach to teaching science presented by the Next Generation Science Standards (NGSS) warrants training high-quality science, technology, engineering, and mathematics (STEM) teachers to prepare the future STEM workforce. We share the implementation of an energy lesson using a nanoscience approach, well-aligned with the NGSS vision, in a secondary- STEM-education course for preservice science teachers. First, we engaged preservice teachers in discussions related to alternate sources of energy; this was followed by a case-study approach to illustrate a real-world problem of energy deficiency and solar energy (solar cells using nanoparticles) as one potential solution because it is cost-efficient, clean, …

Teacher Biases As An Influence On Early Childhood Assessments, Crystal Mason

Walden Dissertations and Doctoral Studies

Teacher perspectives and judgments of students' race and gender are known to influence their assessment of primary and secondary students' academic achievements. However, little is known about the effect on children's academic achievement of preschool teacher perspectives and judgments of students' race and gender, which forms the basis for this study. The purpose of this study was to analyze teacher assessment of preschool children's mathematics and science skills on the Desired Results Developmental Profile (DRDP) and Teacher Strategies GOLD (TSG), along with teacher comments written in preparation for each child's parent-teacher conference, to determine if there was a relationship between …

Stakeholder Perspectives On Teacher Attrition In Private Early Childhood Schools In India, Swathi Sandesh Menon

Walden Dissertations and Doctoral Studies

Teacher attrition is a problem that has consequences for children and schools in many countries; children are affected negatively both emotionally and intellectually, while schools suffer setbacks, such as financial stress and disruption of the learning environment. This multiple case study explored the perspectives of stakeholders in India regarding how teacher attrition in private early childhood schools influenced students, teachers, parents, school leaders, and schools, as well as the factors that stakeholders identified as important for teacher retention in private early childhood education. The conceptual framework was Bronfenbrenner's ecological systems theory. Data were collected through interviews with teachers and school …

High School Science Teachers' Perspectives On Their Technology Knowledge, Content, And Pedagogy, Mentor Mentor Jr.

Walden Dissertations and Doctoral Studies

In a southeastern U.S. school district, it was unknown how teachers integrated technology into their classroom teaching in the science, technology, engineering, and mathematics (STEM) curriculum. Teachers should be knowledgeable of their content, pedagogy of the content, and delivery instruction to improve students' learning outcomes. The purpose of this bounded qualitative case study was to examine how teachers integrated technology into their teaching to improve science students' learning outcomes. Mishra and Koehler's and Shulman's theories of technology, pedagogy, and content knowledge served as the conceptual framework. Purposeful sampling was used to select 12 certified science teachers, with at least 1 …

A Study Of Rural Nonprofit Board Communication And Collaboration, Angela-Janine C. Crawford

Walden Dissertations and Doctoral Studies

This case study explored the perceptions, experiences, and significant internal communication and collaboration problem(s) faced by a rural nonprofit board of directors experiencing a growth transition. Specifically, this study addressed (a) how a rural nonprofit's board members perceived their communication and collaboration skills and practices, and (b) the training needed to improve board communication and collaboration policies and practices. Ten rural area study participants shared their experiences and made recommendations for board communication and collaboration training. Exploring the perceptions, understandings, and capacities of the rural nonprofit board members revealed how specific communication and collaboration policies and practices affected their organization's …

The Phenomenon Of Living Close To Nuclear Power Plants, Jacquelynn Isabel Miles

Walden Dissertations and Doctoral Studies

Communities near nuclear power plants are at potential risk from natural and man-made failures at the nuclear power plants located within those communities. This study explored the concerns and rationalizations of residents of a community who live within a 10-mile evacuation zone of the nuclear power plant located there. Using the general theory of deliberative democracy, the purpose of this qualitative study was to understand and explore why individuals continue to live close to nuclear power plants. Data were collected through semi-structured interviews with 15 individuals who live within a 10- mile radius of a nuclear power plant in the …

Strategies To Improve Adoption Of The Federal Enterprise Architecture Framework, Michael John Caruso

Walden Dissertations and Doctoral Studies

The U.S. federal government spends millions of taxpayer dollars to implement the federal enterprise architecture framework (FEAF). This qualitative multiple case study extracted successful FEAF implementation strategies used by agencies in the Washington, DC, metropolitan area. The population for this study included 10 information technology (IT) planners in 3 federal agencies. Data were collected from semistructured interviews and triangulated in comparison to 33 public documents. General system theory was used as a conceptual framework for the study, and data analysis included reviews of the academic literature, thematic analysis, and member checking to identify themes and codes related to successful aspects …

Natural Environment Associations With Mental Health And Obesity Status, Adam Edwin London

Walden Dissertations and Doctoral Studies

Mental health and obesity were ranked among the health priorities of the 2014 and 2017 Community Health Needs Assessments in Kent County, Michigan. Exposure to nature is correlated to improved health outcomes across a variety of morbidities including poor mental health and obesity. This cross-sectional study set within the frameworks of attention restoration theory, environmental health, and pathways to health benefits from nature assessed county survey data including self-reported nature exposures/interactions separated into 3 domain areas: access to nature, attitudes about nature, and physical activity in nature or in nature-based activities. Binary logistic regression analyses of the 653 respondents found …

Strategies To Secure Sustainable Funding For The Successful Conclusion Of Infrastructure Projects, Ibrahim Adia

Walden Dissertations and Doctoral Studies

Construction industry leaders who neglect to implement appropriate project funding strategies harm business operations and lose profits. Inadequate funding is also a significant cause of project failures in the global construction sector. The purpose of this qualitative multiple case study was to explore strategies construction project owners use to secure sustainable funding for the successful conclusion of infrastructure projects. The population comprised 5 leaders of organizations owning construction projects in the Middle Eastern Gulf Cooperation Council states, with successful strategies to acquire adequate funding for completing infrastructure projects. Data were collected from semistructured interviews with the business leaders and reports …

Sustainable Business Growth: An Exploration Of Ghanaian Small Business Survival, John W. Atanga

Walden Dissertations and Doctoral Studies

Small businesses are significant contributors to a nation’s job creation and employment. These enterprises face many challenges that often lead to failure within 5 years. Some small business owners fail because they lack the necessary strategies for maintaining a sustainable business operation. The purpose of this qualitative descriptive phenomenological study was to analyze how to overcome the high failure rate of small businesses in Accra, Ghana. The conceptual framework for this study was institutional and planned behavior theories. The research questions sought participant’s experiences with small business survival that may have led to sustainable businesses. Data were collected from 20 …

Stereotype Threats And Mature Female Students Entering Higher Education: A Qualitative Study Using Experience Sampling Method, James Clark Schneider

Walden Dissertations and Doctoral Studies

Mature female students encounter a range of challenges, including stereotype threat, which may affect their persistence in academic programs. Research has been conducted on stereotype threat in adult learners, but little research has been done on the impact of stereotype threat on mature female students in higher education. The purpose of this qualitative study using the experience sampling method (ESM) was to investigate how role conflict and social isolation due to age differences affected the learning experiences of mature female students (ages 45-54). The study used a conceptual framework incorporating Steele and Aronson’s stereotype threat theory and the concept of …

Elementary Teachers' Perceptions Of Effective Strategies To Increase Student Academic Achievement, Demetria L. Smith

Walden Dissertations and Doctoral Studies

At a Southwestern Tennessee school, students from low socioeconomic status backgrounds consistently perform low on the state standardized test TN Ready Tennessee Comprehensive Assessment Program (TCAP), as compared to students who are not from low socioeconomic status. In this qualitative case study elementary teachers’ views on instructional strategies for reading and math, professional development, and professional learning communities (PLC) were examined through a theoretical framework based on Vygotsky’s Zone of Proximal Development. The study included interview data from 9 teachers teaching Grades 3-5 who have been using strategies to help increase students’ academic achievement. In addition, PLC meeting minutes, and …

Characteristics Of Successful Elementary Principals As Instructional Leaders, Phonecia Wilson

Walden Dissertations and Doctoral Studies

The problem addressed in this study was the lack of consistency of implementation of instructional leadership practices by elementary principals. Little research existed at the time of this study to inform current practitioners about specific instructional leadership practices that positively effect student growth based on the perceptions of successful practitioner. The purpose of this study was to describe specific instructional leadership behaviors perceived by elementary school principals to have a positive effect on student growth and to describe the contextual factors that affect the different levels of implementation of these behaviors. The conceptual framework for this study was instructional leadership. …

Strategies For Increasing Self-Efficacy In Long-Term Welfare Recipients, Crystal Mcclure

Walden Dissertations and Doctoral Studies

With the imposition of lifetime limitations on an individual's ability to receive cash assistance, there is a group of long-term Temporary Assistance for Needy Families (TANF) recipients that have approached the lifetime limitation without becoming gainfully employed. Many long term TANF recipients report low levels of self-efficacy which inhibits their ability to successfully transition off welfare and into the workforce. However, most welfare-to-work programs do not address the emotional or psychological well-being of their clients, instead they focus on job placement and job readiness skills. The purpose of this sequential–exploratory mixed methods study is to identify the primary barriers to …

The Role Of Glucose Level On The Performance Of The Framingham Risk Score, Uohna June Thiessen

Walden Dissertations and Doctoral Studies

Cardiovascular diseases (CVD) are responsible for more deaths than any other disease, continue to threaten the quality of life for many, and is a major burden to the health care system. The Framingham Heart Study (FHS) identified the major CVD risk factors that became essential to effective CVD screening strategies and the Framingham Risk Score (FRS), is used to assess CVD risk. Based on the concepts of the health behavior model and CVD as a cardiometabolic disorder, multivariate logistic regression analysis was used to evaluate the association between fasting blood glucose (FBG) levels and a CHD event, and to determine …

Factors Associated With Parental Involvement In Their Child's Education, John Joseph Trentalange

Walden Dissertations and Doctoral Studies

After 4 decades and a large body of research on children's academic success, there is still a need to understand how to increase children's academic performance. Researchers agree that the key component to elementary school children's academic success is parental involvement. However, little is known on how to increase parental involvement and the characteristics of the parents who participate in their children's education. This quantitative study examined 2 parental characteristics, parents' internal attachment patterns and parenting styles, and their relationship with parental involvement and children's academic success. Bowlby's theory of attachment and Baumrind's parenting typologies served as the theoretical framework. …

Strategies For Oil And Gas Asset Retirement Sustainability In Alberta, Canada, Ikenna Uhuegbulem

Walden Dissertations and Doctoral Studies

Oil and gas companies in Alberta, Canada lose millions of dollars per year due to ineffective management of retired assets. Ineffective management of inactive oil and gas assets in Alberta has led to over 80,000 inactive wells, highlighting the practice of prolonged deferment of asset end-of-life costs. Using the corporate sustainability model and asset management concept model as frameworks, this multiple case study was conducted to explore the strategies that asset managers in small- and medium-sized oil and gas companies used to manage retired assets effectively to increase organizational sustainability. The population for the study included 3 business leaders of …

Enterprise Resource Planning Implementation In One Government Agency, Stephen N. Strayer

Walden Dissertations and Doctoral Studies

Ineffective enterprise resource planning (ERP) implementation strategies can have a negative impact on business competitive advantage. Business leaders who struggle to maintain global operations and audit readiness are at high risk of failure. Grounded in the general systems theory, the purpose of this qualitative single case study was to explore the strategies business leaders used to promote an awareness of the effects of performance on competitive advantage. The participants comprised of 22 business leaders on a military base in the state of Washington who effectively used ERP systems to increase global operations, audit readiness, and maximize competitive advantage. Data were …

Drones And American Domestic Policy: An Analysis Of Elite And Mass Opinion, Kevin Michael Leonard

Walden Dissertations and Doctoral Studies

Researchers have primarily focused on the use of drones for military purposes. Yet, understanding how the use of drones influences domestic policymaking from the perspective of mass and elite opinion was generally absent from the academic literature. The purpose of this descriptive study was to explore and describe the perceptions of policy elites and the mass public on the impact of drone use on domestic policy. Guided by Donohue, Tichenor and Olien's theories of media framing and salience, mass opinion was measured through a convenience sample via the Walden Participant Pool, whereas elite opinion was measured through a purposive sampling …

Jamaican Kindergarten And First Grade Teachers’ Expectations For Readiness Skills, Sadie Henrietta Harris-Mortley

Walden Dissertations and Doctoral Studies

Children’s readiness to meet demands in Grade 1 is a common concern in most primary schools in Jamaica. Teachers have voiced their expectations that students should display a level of mastery in readiness skills so that they can be engaged in academic tasks when they transition from the kindergarten to Grade 1. The purpose of this qualitative case study, guided by social constructivism, was to explore kindergarten students’ readiness for Grade 1 based on the perceptions of kindergarten teachers compared to Grade 1 teachers on readiness skills, instructional practices, and expectations of students’ competency. The research questions were designed to …

Every Student Succeeds Act: Are Schools Making Sure Every Student Succeeds?, Laura Adler-Greene

Touro Law Review

No abstract provided.