Digital Commons Network^™

Remote Battery Testing System, Jeffrey Snow

Electrical and Computer Engineering

Large storage/backup batteries are used everywhere around us, from fire alarms to our automobiles. However, we often forget they are even there. This leads to failures going unnoticed until the time of need. Then, it’s too late. The Remote Battery Testing System addresses this with the following features:

• Tester installed at location of batteries
• Tests automatically on a schedule
• Results of tests are sent back over network
• Results indicate health of batteries (not just charge)

Design And Prototyping Of A Real-Time Millimeter Wave Imaging System, Zahra Manzoor

Doctoral Dissertations

"The goal of this work is to design, prototype and test an innovative millimeter wave imaging system that operates in the frequency range of 33-35 GHz and is capable of producing rapid images of various diverse scenes. In particular, the imaging system includes two main sections, one is related to the hardware design of the system, and the other focuses on the development of a novel comprehensive image reconstruction algorithm. The hardware design includes custom transmitter and receiver sub-systems, and a sparse switched array which was optimized for 320 mm x 220 mm aperture plane, and also included an improved …

Wavelength-Selective Metamaterial Absorber And Emitter, Zhigang Li

Doctoral Dissertations

"Electromagnetic absorbers and emitters have been attracting interest in lots of fields, which are significantly revitalized because of the novel properties brought by the development of the metamaterials, the artificially designed materials. Metamaterials broadens the approaches to design the electromagnetic absorbers and emitters, making it possible to obtain the perfect absorption or emission at the wavelengths covering a wide range. Metamaterial absorbers and emitters are promising for various applications, including solar thermal-photovoltaics and thermal-photovoltaics for energy harvesting, chemical and biomedical sensors, nanoscale imaging and color printing. This work focuses on three aspects (materials, structures and design methods) to improve the …

Deep Neural Network Learning-Based Classifier Design For Big-Data Analytics, Krishnan Raghavan

Doctoral Dissertations

"In this digital age, big-data sets are commonly found in the field of healthcare, manufacturing and others where sustainable analysis is necessary to create useful information. Big-data sets are often characterized by high-dimensionality and massive sample size. High dimensionality refers to the presence of unwanted dimensions in the data where challenges such as noise, spurious correlation and incidental endogeneity are observed. Massive sample size, on the other hand, introduces the problem of heterogeneity because complex and unstructured data types must analyzed. To mitigate the impact of these challenges while considering the application of classification, a two step analysis approach is …

Fault Imaging Enhancement In Taranaki Basin, New Zealand And Rock Physics And Inversion Based Reservoir Characterization In The Central Gulf Coast Region Of Texas, Tianze Zhang

Doctoral Dissertations

"Fault imaging technique and reservoir characterization based on rock physics analysis and pre-stack inversion has been widely used hydrocarbon exploration. For the fault imaging technique, the ant tracking has been widely used in fault interpretation. However, the reliability of the results is highly dependent on appropriately choosing a signal processing method and volume attributes. In our study area, which lies in the southern Taranaki Basin, we applied Graphic Equalizer as the processing tool and the Chaos attribute before running the ant tracking algorithm. Results show that the procedure provides a better result and can map both the major and minor …

Hands-On Learning In Primary Grades, Bridgette Marie Megears

All Electronic Theses and Dissertations

This thesis focuses on the understanding of hands on learning in the setting of primary grades. Play and exploration is a natural form of learning that students have been doing all their lives. With the available different types of play, each one can be applied to the classroom setting as well. As kindergarten was first designed to be based around play, it is essential to get back to that form of teaching and learning so that educators are more confident about meeting the needs of all young learners. Play-based learning provides a space where students can grow cognitively as well …

The Implications Of Childhood Trauma For Education Professionals, Travis William Walls

All Electronic Theses and Dissertations

Students in all areas of the world have experienced trauma that has impacted both their educational and social development; this epidemic has become clear over the last 20 years. The Adverse Childhood Experiences Study recognized seven negative exposures that were believed to have a detrimental effect on health and wellbeing later in life. After more research, the list of known traumatic experiences has grown to include other negative impactors like parental divorce, bullying at school, or abuse. In reality, any experience that overwhelms a person’s ability to cope and adapt properly can be considered traumatic. Thankfully, there are now many …

Naomi Kawase’S “Cinema Of Place”, Erin Schoneveld

East Asian Language & Cultures Faculty Scholarship

No abstract provided.

Concepts Of Caring: Uncovering Early Concepts Of Care In Practice For First Year Occupational Therapy Students, James Battaglia

Journal of Occupational Therapy Education

Caring for others is a central ideal of most health care professions. The ability to facilitate caring behaviors in occupational therapy students is essential to developing students who are well prepared to provide both technically and emotionally competent care. This study explored the early concepts of care of Master of Science Occupational Therapy students at the start of their graduate education through use of a questionnaire and follow-up interviews. The three most frequently identified student concepts of care were: (1) caring as it relates to time, (2) caring as a personal quality, and (3) caring through their communication with clients. …

Occupational Therapy Student Conceptions Of Self-Reflection In Level Ii Fieldwork, Susan L. Iliff, Gaylene Tool, Patricia Bowyer, Diane Parham, Tina S. Fletcher, Wyona M. Freysteinson

Journal of Occupational Therapy Education

Self-reflection is paramount to the development of professionalism and serves as the foundation of adult education and lifelong learning. Pedagogical approaches in health sciences programs that promote self-reflection are growing in popularity. Current literature identifies a gap in what and how students conceive self-reflection and whether self-reflection is creating professionals that meet the challenges of today’s healthcare climate. This qualitative study explores the conceptions of self-reflection for occupational therapy students in Level II Fieldwork. The use of phenomenographic methodology guided the collection of information-rich data through semi-structured interviews. Twenty-one occupational therapy graduates volunteered to participate in the interviews. Verbatim transcripts …

Development Of A Training Program To Increase Student Clinician Competency When Communicating With People With Aphasia, Meghan Doherty, Chevie Lay

Journal of Occupational Therapy Education

The Washington University in St. Louis Stroke Clinic is a student-run free clinic (SRSC) designed to enhance student learning and provide the community with no-cost evidence-based occupational therapy services. Aphasia is a common communication impairment after stroke that affects the ability to access services and give and get information, and impacts life participation and satisfaction. Conversation partner training is an evidence-based treatment approach to improve communication with people with aphasia (PWA). The purpose of this project was to develop and evaluate the effectiveness of student clinician training about communicating with PWA using conversation partner training in the SRSC. This study …

The Perceived Value And Utilization Of Occupational Therapy Models In The United States, Rhonda Davis-Cheshire, Kailey Davis, Lindsay Drumm, Sydney Neal, Emma Norris, Melanie Parker, Christina Prezzia, Colleen Whalen

Journal of Occupational Therapy Education

This study investigated United States (U.S.) occupational therapy (OT) practitioners’ perceived value and utilization of OT models in practice. In addition, this research explored correlations that might impact practitioner value and choice of models as related to entry-level OT educational program, practice setting, and frequency of model utilization. The study utilized a cross-sectional research design. A convenience sample of 219 OT practitioners completed an 18-question online survey capturing participant demographics, perceived value, and utilization of models. Practitioners indicated they used models (79.45%, n = 174) in practice with 77.63% (n = 170) reporting they somewhat or strongly agreed that models …

Using Case-Based Learning To Facilitate Clinical Reasoning Across Practice Courses In An Occupational Therapy Curriculum, Lynne F. Murphy, Jennifer C. Radloff

Journal of Occupational Therapy Education

Although occupational therapy educators have historically used cases as a means to prepare students for clinical practice, there is little evidence that this instructional method actually facilitates clinical reasoning. This convergent, parallel mixed methods study examined how the use of varied case formats, built on the tenets of case-based learning, facilitated specific components of clinical reasoning, and explored how the cases contributed to readiness for professional practice. Case formats included text, video, role-playing, simulated patients, and a client. Case-based learning activities included application of models and frames of reference, conducting assessments, planning and implementing interventions, clinical documentation, and identification of …

Application Of Theory To Guide Development Of A Rehabilitation Service-Learning Project In Guatemala, Mary Zadnik, Suzanne Trotter, Cindy Mathena

Journal of Occupational Therapy Education

International community-based rehabilitation service-learning projects in physical and occupational therapy education programs may impact underserved communities internationally. The intentional inclusion of learning in service activities has been identified as service-learning. Extending the impact and education beyond the service project is necessary in order to provide a sustainable outcome for the community. Faculty at the University of St. Augustine for Health Sciences partnered with Potter’s House Association International to develop an interprofessional program to address the rehabilitation needs and continuity of care following a one-week project serving the community members of the Guatemalan City Garbage Dump. The purpose of this article …

Online Terms As In Terrorem Devices, Colin P. Marks

Faculty Works

Online shopping has quickly replaced the brick-and-mortar experience for a large portion of the consuming public. The online transaction itself is rote: browse items, add them to your cart, and check out. Somewhere along the way, the consumer is likely made aware of (or at least exposed to) the merchant's terms and conditions, via either a link or a pop-up box. Such terms and conditions have become so ubiquitous that most consumers would be hardpressed to find a merchant that doesn't try to impose them somewhere on their website. Though such terms and conditions are pervasive, most consumers do not …

Job Retention Of Childcare Workers In A Military Child Development Center, Janet Marie Hooten

Walden Dissertations and Doctoral Studies

This study explored the low retention rates of childcare workers at a military child development center in the northeast United States. The purpose of this case study was to explore the work experiences of childcare employees during their first year of employment at a child development center to discover the factors that influenced their decision to resign. The conceptual framework that guided this study was a 2-factor approach of motivator and hygiene factors associated with experiences and perceptions. Transcripts from interviews with 15 current and prior childcare workers and management team members were coded, triangulated, and thematically analyzed. The themes …

What Drives Underprepared Students From The First Year On, Shanetta S. Lillard

Walden Dissertations and Doctoral Studies

College students often enter college academically unprepared, as evidenced by low high school cumulative GPAs or poor SAT scores. In response to this problem, administrators at a 4-year university in the Mid-Atlantic region of the Unites States implemented an intensive, semester-long program to introduce and acclimate conditionally admitted students to the rigors of collegiate life. The purpose of this study was to understand how to assist students in moving from Year 1 to full admission and beyond. In accordance with Bandura's reciprocal causation of social cognitive theory model, the research questions centered on conditionally admitted students' descriptions of their experiences …

Medication Reconciliation, Competency, Timely And Effective Care, And Hospital Readmissions, Perry Theodore Nichols

Walden Dissertations and Doctoral Studies

Hospital readmissions within 30 days of discharge result in significant multimillion-€dollar penalties to thousands of Medicare-€eligible hospitals throughout the United States and are indicators of suboptimal patient healthcare leading to less than ideal health outcomes for previously hospitalized patients. The purpose of this correlation study was to examine the relationship between medication reconciliation, nursing workforce competency, timely and effective care, and Medicare-€eligible hospital 30-€day readmission rates. The sample of 269 hospitals came from the population of Medicare-€eligible hospitals throughout the United States. Complexity theory and the general model of readmission were theoretical frameworks grounding this study. Secondary data were from …

Upper Elementary Teachers' Use Of Pedagogical Content Knowledge With Nonfiction Reading Instruction, Silke Piper

Walden Dissertations and Doctoral Studies

After a shift in upper elementary reading instruction that emphasized complex learning using nonfiction text, Texas schools showed low reading comprehension scores among upper elementary students. The purpose of this exploratory single case study was to examine the pedagogical content knowledge of Texas upper elementary teachers who teach nonfiction reading comprehension strategies to at-risk students who do not qualify for special education services. The central research question focused on how teachers view their pedagogical content knowledge while instructing students. The conceptual framework for this study was a combined Shulman's (1986) pedagogical content knowledge model and Thomlinson's (2000) differentiated instruction learning …

Influence Of Police Officer Fear And Use-Of-Force Outcomes, Michele D. Stafford

Walden Dissertations and Doctoral Studies

Police officer and community relations tensions have heightened with increases in publicized deadly use-of-force incidents on social media platforms. Though some deadly force encounters have been justified because officers stated they feared for their lives, little is known about the impact fear has on police officers' actions. The purpose of this phenomenological study was to explore the impact fear plays when officers implement use-of-force continuum practices during encounters with civilians. Schacter and Singers' two-factor theory of emotion was used as the conceptual framework for this study. The key research question examined the influence of police officer fear as a factor …

Perceptions Of Fatherhood Programs From The Experiences Of Uninvolved Fathers, Rahsaan Roland Turpin

Walden Dissertations and Doctoral Studies

Past researchers have reported that father absence and low engagement affects 24 million children in the United States. African American fathers make up the largest group with low involvement. Fatherhood programs support men in their roles, yet little is known about why this group still exhibits low engagement. Using the family systems theory as a foundation, the purpose of this phenomenological study was to explore the lived experiences of African American fathers who participated in fatherhood programs and their engagement after these programs. This study used purposeful sampling and semi-structured interviews to collect information from 9 African American men aged …

Secondary Teachers' Perceptions Of Professional Development's Role For Instruction In Inclusive Settings, Dwight Erving Williams

Walden Dissertations and Doctoral Studies

Students with disabilities (SWDs) are being placed in inclusive settings. The problem is that in many cases, teachers who are assigned to these students may not have necessary training in special education. Lack of such teacher training can lead to deficits in learning for SWDs. The purpose of this phenomenological study was to identify secondary general education teachers' perspectives on professional development (PD) regarding teaching SWDs in inclusion classroom settings. The conceptual framework for this study was Bandura's self-efficacy construct as presented in social cognitive theory. For teachers, self-€efficacy may influence instructional practices, classroom climate, and attitudes toward educational processes. …

Promoting Nursing Communication Competence On A Spinal Cord Injury Unit, Tishon L. Creswell

Walden Dissertations and Doctoral Studies

The power to communicate effectively and respectfully in the health care setting promotes job satisfaction, retention, and healthy relationships. Ineffective communication is one of the major causes of sentinel events, incivility, nurse turnover, and workplace hostility in the health care environment. This project examined a communication competence educational program on a spinal cord injury (SCI) nursing department and its potential to improve communication competence. The project question explored whether an educational series on incivility and creating healthy relationships would increase communication competence in nurses on the SCI unit. The project used the high reliability solutions for health care model communications …

Teachers' Evidence-Based Practices For Reading Deficiencies, Rebecca Ann Nugen

Walden Dissertations and Doctoral Studies

The problem investigated in this study was that students at a rural elementary school in the midwestern region of the United States were not meeting achievement targets in reading on state standardized tests despite implementation of the district's evidence-based reading curriculum. With a conceptual framework based on Webb's depth-of-knowledge model and Piaget's sociocultural learning theory, the purpose of this single case study was to explore teachers' perceptions regarding the use of evidence-based teaching practices and how those practices influence students' reading skills. Using purposeful sampling to select licensed, experienced participants, the insights of 7 elementary reading teachers were collected through …

Stakeholders' Explanations Of The State Of Cricket In Barbados, Derek Mcdonald Alleyne

Walden Dissertations and Doctoral Studies

Policy processes influence decision-making and when processes are influenced by multiple stakeholders, individual interests can go against the general good of the organization or community. The multiple stakeholders of cricket in Barbados have governed the development of cricket. Over the last 30 years the sport has been on a steady decline evidenced by the low attendance at games and the number of teams and individuals playing the sport. At a time when the sport has been growing at the international level, the decline in the fortunes of the sport in Barbados had led to a climate of mistrust and blame …

Race Matters: Administrators Perspectives On Affirmative Action In Higher Education, Terry Hogan

Walden Dissertations and Doctoral Studies

Legal challenges and statewide bans regarding the use of affirmative action as an admissions policy have affected the way higher education administrators must comply with these mandates to receive federal funding. The purpose of this study was to examine the perspectives and experiences of college and university administrators at public and private U.S. colleges and universities regarding the implementation of race-based and race-neutral admissions policies. Critical race theory provided the framework for the study. Data were collected through in-depth interviews with 9 administrators at U.S. institutions of higher education. Data were organized, sorted, and coded to reveal 4 themes: holistic …

Role Of Primary Care Providers And Integrated Disease Surveillance In Chad, Dhoud Stave Gischel Samba

Walden Dissertations and Doctoral Studies

In the Republic of Chad, primary care physicians play a central role in the detection and control of outbreaks and are critical actors in the integrated disease surveillance system through mandatory reporting. Feedback on such surveillance must reveal the needs and perceptions of these physicians. These needs and perceptions were examined using a questionnaire survey distributed to a sampling of 20 physicians in Chad. The purpose of this qualitative study was to investigate the role of primary care providers in the integrated disease surveillance to identify factors that impact complete, quality, and timely reporting. The theory of planned behavior was …

Diffusion Of Innovations And Labor Market Challenges: A Multiple Case Study From Angola, Édney Marco Cardoso Dos Santos

Walden Dissertations and Doctoral Studies

A gap exists in the literature between general diffusion of technological innovations and socioeconomic development that results in an ambiguous connection between theory, academia, and professional practice. To inform governments in sub-Saharan Africa on how to achieve the diffusion of innovation for economic development through the voices of regional stakeholders, this qualitative multiple case study was conducted to gain deeper understanding on the views of stakeholders on rapid technology diffusion and its implication on labor market challenges within their regions of Angola. Information from semistructured interviews with 8 adult participants, male and female, born and residing in impoverished communities in …

Female Persistence In Fully Online Allied Health Programs At A Career College, Melissa A. Wertz

Walden Dissertations and Doctoral Studies

Persistence to program completion is critical for online students. Retaining online students is a struggle in higher education with online persistence rates being significantly lower than nononline students. In this qualitative case study the perceptions of female graduates who persisted in a fully online allied health program at a career college were investigated. Using Tinto's theory of student departure and self-determination theory, the characteristics, attitudes, and motivations of female online learners explored to discern their perceived success in the online classroom. The research questions focused on participants' perceptions, skills, and attitudes that contribute to their success, experiences with support services, …

Regulatory Effects On Traditional Financial Systems Versus Blockchain And Emerging Financial Systems, Samuel Edwin Addo Baidoo

Walden Dissertations and Doctoral Studies

The expansion of the Internet led to disruptive business and consumer processes, as existing regulations do not cover the scope and scale of emerging financial technologies. Using organization economic theory as the foundation, the purpose of this correlational study was to examine and compare the financial regulatory impact on traditional and emerging financial systems across a variety of factors including organizational type, predicted users, operational concerns, reasons for cost increases, and changes in business practices as a result of the regulatory environment. Data were collected through a survey of 227 adult Americans who engage in the financial sector and are …