Digital Commons Network^™

Protecting Privacy Of Data In The Internet Of Things With Policy Enforcement Fog Module, Abduljaleel Al-Hasnawi

Dissertations

The growth of IoT applications has resulted in generating massive volumes of data about people and their surroundings. Significant portions of these data are sensitive since they reflect peoples' behaviors, interests, lifestyles, etc. Protecting sensitive IoT data from privacy violations is a challenge since these data need to be handled by public networks, servers and clouds, most of which are untrusted parties for data owners. In this study, a solution called Policy Enforcement Fog Module (PEFM) is proposed for protecting sensitive IoT data. The primary task of the PEFM solution is mandatory enforcement of privacy polices for sensitive IoT data-whenever …

Integrated Compressive Sensing And Feature Descriptors- A Framework For Facial Recognition Systems, Ali Kadhem Jaber

Dissertations

Facial recognition is still a challenge in many applications, particularly in surveillance, security systems, and human-computer interactive (HCI) tools. The impact of real-world environmental variations on the performance of any facial recognition system can be significant. These variations may include illumination, facial expressions, poses, disguises (facial hair, glasses or cosmetics) and partial face occlusion. Furthermore, the number of images (samples) needed for facial recognition systems can be very large, much larger than what is typically required by an algorithm, and this is often made worse with expansion of the feature space dimensionality. Truly, the “curse of dimensionality” haunts any real-time …

Assessing Land Deformation And Sea Encroachment In The Nile Delta: A Radar Interferometric And Modeling Approach, Esayas Gebrekidan Gebremichael

Dissertations

Many of the deltas of the world are experiencing land deformation, subsidence or uplift of landmass, due to natural or anthropogenic causes, or a combination of both processes and causes. These deltaic settings are densely populated and border some of our world’s largest water bodies (oceans and seas). The land deformation, especially the subsidence component, when combined with the climate change-induced sea level rise, coastal erosion, and other anthropogenic drivers, will undoubtedly impact the population and economy of coastal areas of deltas. For the Nile Delta of Egypt, the land deformation processes and the factors that control the deformation processes …

Efficacy Of Deep Learning In Support Of Smart Services, Basheer Mohammed Basheer Qolomany

Dissertations

The massive amount of streaming data generated and captured by smart service appliances, sensors and devices needs to be analyzed by algorithms, transformed into information, and minted to extract knowledge to facilitate timely actions and better decision making. This can lead to new products and services that can dramatically transform our lives. Machine learning and data analytics will undoubtedly play a critical role in enabling the delivery of smart services. Within the machine-learning domain, Deep Learning (DL) is emerging as a superior new approach that is much more effective than any rule or formula used by traditional machine learning. Furthermore, …

Robustness Of Rasch Fit Statistics In Dichotomous And Rating Scale Data, Samantha Estrada Aguilera

Dissertations

To understand the role of fit statistics in Rasch measurement, it is necessary to comprehend why fit is important in measurement. The answer to this question is simple: applied researchers can only benefit from the desirable properties of the Rasch model when the data fit the model; however, the currently available fit statistics are flawed. A problem with fit statistics which are based on residuals is that they are based on unknown distributional properties (Masters & Wright, 1997; Ostini & Nering, 2006). Rost and von Davier (1994) developed the Q-Index. The Q-Index makes use of the statistical properties of the …

Exploring Potential Water-Ice Occurrence On Asteroid 4 Vesta Using Orbital Radar Observations By The Dawn Mission, Elizabeth M. Palmer

Dissertations

Airless, differentiated planetesimals in the inner solar system were presumed to have been depleted of most of their initial volatile content during formation. However, water-ice has been discovered at the lunar poles (Li et al., 2018), is inferred to exist in polar craters on Mercury (e.g., Butler, Slade & Muhleman, 1993, and suggested to survive beneath the dusty regolith of objects in the main asteroid belt if buried at sufficient depths—at least one meter for small-bodies in the outer main-belt (Schorghofer, 2008). Hence, the study of volatile occurrence, past or present, on airless, desiccated small-bodies provides insights into the timing, …

Paying For Performance: Public School Property Taxes And Public-School District Performance In Missouri, Keenan Daniela Kinder

Dissertations

An increase in the property tax rate of a school district creates an increase in local revenues for the district (Missouri Department of Elementary and Secondary Education. [MODESE], 2017). The overarching question becomes: Do increases in the local tax levy compare to improved student performance? The purpose of this quantitative study was to examine the difference between property tax rates of Missouri public school districts to student performance as viewed through the lens of benefit tax theory (Duff, 2004). Secondary data were obtained via the MODESE which included property tax rates and information from the Annual Performance Reports for public …

Understanding The Experiences Of Students Re-Admitted After Academic Suspension As Part Of A University-Initiated Process: A Qualitative Study, Gary L. Versalle

Dissertations

Student persistence and retention continues to be a major issue facing most institutions of higher education. With ever more diverse student populations, researchers studied a multitude of groups and sub-groups of students based on ethnicity, sex, socioeconomic status, or age. These studies looked at how these various student groups can be supported and retained. Students who returned to school after having been academically dismissed are one group which has been consistently underreported. Reentry practices remained largely unchanged and still require the student to initiate the process. This phenomenological study examined the experiences of students accepted into the Reclaim the W …

The Effects Of Within-School Consultation On General Education Teachers’ Use Of Behavior-Specific Praise With Students With Emotional Disabilities, Darrelanne M. Sundeen

Dissertations

Students identified with emotional disabilities (ED) are increasingly being included in the general education academic classrooms. Most general education academic teachers have little training or exposure to the characteristics and interventions associated with students with ED. Behavior-specific praise (BSP) has been shown to be an effective intervention for decreasing problem behaviors in the classroom. Unfortunately, studies have shown that teachers generally provide low rates of praise to secondary students and less so to secondary students with ED. This study used a multiple baseline single-subject design across participants to assess whether the use of within-school consultation intervention which involved regular structured …

The Effect Of Item Stem And Response Option Length On The Item Analysis Outcomes Of A Career And Technical Education Multiple Choice Assessment, Tina M. Koepf

Dissertations

Critical decisions in Career and Technical Education (CTE) can be based on assessment outcomes, requiring an essential focus on continuous improvement initiatives to provide increased multiple choice (MC) assessment validity. Previous research has determined that the presence of flawed test items negatively impacts student success; therefore, an MC taxonomy has been established and used in the assessment industry. While rigorous and successful Career and Technical Education (CTE) programs that enroll high-level academic students exist, many CTE programs enroll students with a wide spectrum of academic ability. Because many CTE students often have inferior reading skills, it is necessary to take …

Predicted Deepwater Bathymetry From Satellite Altimetry: Non-Fourier Transform Alternatives, Maxsimo Salazar

Dissertations

Robert Parker (1972) demonstrated the effectiveness of Fourier Transforms (FT) to compute gravitational potential anomalies caused by uneven, non-uniform layers of material. This important calculation relates the gravitational potential anomaly to sea-floor topography. As outlined by Sandwell and Smith (1997), a six-step procedure, utilizing the FT, then demonstrated how satellite altimetry measurements of marine geoid height are inverted into seafloor topography. However, FTs are not local in space and produce Gibb’s phenomenon around discontinuities. Seafloor features exhibit spatial locality and features such as seamounts and ridges often have sharp inclines. Initial tests compared the windowed-FT to wavelets in reconstruction of …

Tired Consultation To Improve And Maintain Teachers’ Behavior Specific Praise, Mariangely Melendez Galan-Torres

Dissertations

Many teachers are ill prepared in behavior management and literature has demonstrated the relationship between poor classroom management and academic outcomes. Common strategies to address teachers’ skill deficits in classroom management include didactic training and school-based consultation. Literature suggests that traditional didactic training can immediately increase knowledge acquisition, and school-based consultation is used to respond to ongoing academic and behavioral outcomes. However, both of these methods commonly fail to result in implementation fidelity and long-term maintenance of skill utilization. Research in the education field has demonstrated large to very large effect sizes for systems such as Response to Intervention (RtI) …

A Multi-Skilled Approach To Property Maintenance Considering Temporal, Spatial And Resource Constraints, Anthony G. Vatterott

Dissertations

With the continued increase in age of the United States housing and building stock, as well as the continued need to maintain properties across the U.S., the need for timely, cost-optimal maintenance is ever more critical. This paper proposes the application of a mathematical model to aid in the scheduling and assignment of construction and maintenance tasks, considering the multi-skilled workforce. The benefit of this approach is to take advantage of the economies of scale that can be developed using cross-functional skilled workers with varying levels of competence and efficiency. This approach schedules and assigns tasks using data from maintenance …

Application Of Glycosyl Imidates And Nitrates In Carbohydrate Synthesis, Tinghua Wang

Dissertations

Carbohydrates are the most abundant molecules among the four essential classes of biomolecules that also include nucleic acids, lipids and proteins. Unlike proteins and nucleic acids, which follow template-driven synthetic pathways, there is no general route to the synthesis of carbohydrates. The stereoselectivity of the formation of O-glycosidic linkages and the regioselectivity of protection and deprotection of specific hydroxyl groups over others represent two of the major challenges in carbohydrate chemistry. This thesis is dedicated to the development of novel strategies for efficient synthesis of carbohydrate building blocks and stereocontrolled glycosylations for step-economy oligosaccharide synthesis. Novel glycosyl donors with difluoro-3H-indol-2-yl …

Divisibility In The Stone-Cech Compactification Of N, Salahddeen Khalifa

Dissertations

Let S a discrete semigroup. The associative operation on S extends naturally to an associative operation on βS,the Stone Cech compactification of S. This involves both topology and algebra and leads us to think how to extend properties and operations that are defined on S to βS. A good application of this is the extension of relations and divisibility operations that are defined on the discrete semigroup of natural numbers (N,.) with multiplication as operation to relations and divisibility operations that are defined on (βN,?) where (?) is the extension of the operation (.). In this research I studied extending …

An Analysis Of African-American Faculty Experiences During The Tenure Process, Katrina M. Hubbard

Dissertations

Abstract

How faculty allocate their time among research, teaching, and service, and the perceived quality of that work determines whether faculty obtain tenure or are released from the university (Bellas & Toutkoushian, 1999; Link, Swann, & Bozeman, 2008; Price & Cotten, 2006). Prior research indicated that African-American faculty comprised 4.5% of the faculty at high-activity research institutions and 3.5% of faculty at very-high-activity research institutions (The Chronicle of Higher Education Almanac 2016-2017, 2016).

The purpose of this study was to 1) document African-American faculty experiences during their tenure probationary period at PWI research institutions; 2) compare faculty experiences during the …

Containing Risk When Maximizing Supply-Chain Performance, Harrison Luvai

Dissertations

The objective of this dissertation is to develop and test an approach that will quantify the level of risk in the supply chain, evaluate the cost and impact of risk mitigation strategies, validate event management protocols pre-implementation, and optimize across a portfolio of risk mitigation strategies. The research integrates a Mixed Integer Linear Programming (MILP) model and a Discrete Event Simulation model to investigate a production-inventory-transportation problem subject to risk. The MILP model calculates the optimal Net Profit Contribution of the supply chain in the absence of risk. Deviation risks are introduced as volatility in final demand and lead times, …

A Mixed Method Analysis On The Relationship Between Engagement, Achievement, Satisfaction, And Syllabus Design In A Private Midwest University, Hannah Kohler

Dissertations

Background: Online learning is now at the forefront of education, making a college degree more accessible than ever before. With online enrollments at an all-time high, quality instruction is essential to the sustainability of the institution and ultimately affects student enrollment and retention. Research exists on the effectiveness of syllabus design and the use of inventories, but the gap in the existing literature lies in combining the two. Purpose: The purpose of this mixed methods study was to analyze possible relationships between syllabus design and student achievement, student engagement, student satisfaction, faculty instruction, and faculty satisfaction. Research Design: An Online …

Understanding Micro-Spatial Crime Patterns: A Comprehensive Trajectory Analysis Of Violent Crime At Street Segments In St. Louis, Mo, Aaron Levin

Dissertations

Spatial crime studies have existed for over a century, but the last 20 years have seen a turn in focus toward micro-spatial units such as street blocks and street segments. A particular subfield of this modern micro-spatial perspective is called crime trajectory analysis, which can isolate patterns of crime at small spatial units over time. Though several crime trajectory analyses have been conducted for coastal cities, the technique has never been applied to Midwestern data. This project fills that research gap by using the group-based trajectory modeling (GBTM) algorithm to uncover patterns of violent crime at street segments in St. …

The Impact Of Learning Contracts On Eating Habits Groups, Jose Jones

Dissertations

The purpose of the study was for the researcher to explore adult education techniques and tools that could be used to explore eating habits within research study groups. The participants enrolled in the research study groups brought their own way of thinking on eating habit discussions based on their unique experience in life. The researcher explored different techniques that could help improve the participants’ quality of life and other positive solutions to benefit the participants. This research study explored the impact of learning contracts on participants with eating habit research-based study groups. The study explored the degree to which learning …

A Correlational Study Of Academic Locus Of Control, Study Preparation, And The Praxis Ii, Elizabeth Polzin

Dissertations

For school counseling candidates, the culmination of the pathway to state certification and/or licensure lies in a passing score on a standardized test. Within the state of Missouri, this test is the Praxis II. Within the state of Missouri, an achievement gap on the pass rates of the Praxis II existed between Caucasian and African American students. Participants in this study, both male and female, attended a Midwestern, private university and spanned a wide range of ages, all older than 20 years. The participant population included African American and Caucasian students. This dissertation sought to explore potential contributors to the …

An Evaluation Of Early Childhood Education Programs: The Parents’ Perspective Of Quality Care, Buu Chau Thai

Dissertations

Early childhood education (ECE) programs play a critical role in the social, emotional, and cognitive development of children and help to prepare them for kindergarten. Recognizing the benefits of ECE programs, state and federal governments have made notable efforts to make these programs more accessible. However, with various federal, state, and local governments involved in administering and funding ECE programs, a complex, fragmented, and oftentimes confusing system ensued, making the ECE landscape very difficult for parents to navigate. Parents are often the primary decision-makers when selecting educational programs for their children. Studies often focus on practitioners’ or researchers’ perspectives on …

Teacher And Administrator Knowledge, Beliefs, Attitudes, And Practices Related To Equity In A Suburban California School District, Arcia Dorosti

Dissertations

This dissertation is a case study of one district’s efforts to reduce the disparities in

educational outcomes among its ethnic groups as well as the disparities in educational

outcomes between its economically disadvantaged students and its students that are not

economically disadvantaged. The literature reviewed began with the larger historical

context around equity issues in education and then discussed in-school and out-of-school

factors affecting educational outcomes. The methods used included interviews with

teachers and administrators, site visits, and classroom observations. The results

summarized the successes and remaining challenges facing the district as it continues its

desired journey towards more equitable …

Validation Of The Barkley Deficits Of Executive Functioning Scale-Short Form, Brian Sheble

Dissertations

The Barkley Deficits of Executive Functioning-Short Form (BDEFS-SF) is a short rating scale measuring executive functioning in adults. The BDEFS-SF was developed using the 5 highest loading questions from the BDEFS-LF. Consequently, the psychometric qualities of the BDEFS-SF were not investigated using formal methods. In this study, the psychometric attributes of the BDEFS-SF were examined using two separate but similar groups. The first group of 264 men and women aged 18-35 years old completed the BDEFS-SF via an internet survey. The second group of 36 men and women aged 18-35 years old completed the BDEFS-SF and individualized assessments of executive …

From The Desert To The City: The Innovative Leadership Of Sheikh Mohammed Bin Rashid Al Maktoum, Vice President And Prime Minister Of The United Arab Emirates (Uae) And Ruler Of The Emirate Of Dubai, Saeed Almansoori

Dissertations

The main purpose of this research is to explore and analyze the leadership of Sheikh Mohammed Bin Rashid Al Maktoum, Vice President and Prime Minister of the United Arab Emirates (UAE) and Ruler of the Emirate of Dubai, and how his leadership has transformed the culture of a society. The research focuses on Sheikh Mohammed Bin Rashid’s leadership styles and how he transformed a desert in the Middle East into one of the world’s premier cities. The study analyzes the persuasion he used with the citizens to encourage and help them adapt to this rapid change. He dealt with a …

The Role Of Leadership In School Innovation: A Case Study, Savannah Adkins Denning

Dissertations

Expansive research on leadership, particularly school leadership, has suggested leaders have an indirect impact on student outcomes, as leaders build a school’s academic capacity, which elevates teaching and learning (Hallinger, 2010). Though there is significant empirical research regarding school leadership, there is a lack of research investigating the intersection of leadership and innovation. In terms of innovation, “personalized learning,” has become an emerging topic among education researchers, as scholars seek to understand the potential impact personalized learning strategies have on student outcomes.

The purpose of this study was to explore how leadership interacts with innovation. This study specifically explored the …

A Case Study On Licensed Practical Nursing Program Outcomes: Exploring Factors Affecting Successful Program Completion And Licensure, Holley Goodnight

Dissertations

Student retention is important to higher education institutions (Shoemake, 2017). Nursing programs strive to choose admission criteria which identify students who show the best chance of successfully completing the program and passing the National Council Licensure Examination (Bremner, Blake, Long, & Yanosky, 2014; Chen, Heiny, & Lin, 2014; Knauss & Wilson, 2013). The crisis of a nursing shortage, compounded by the void retiring nurses place on healthcare industries, creates the need for nursing programs to graduate more qualified nurses (Kubec, 2017; Mooring, 2016). The purpose of this mixed-methods study was to investigate factors which influenced completion of a practical nursing …

A Mixed Methods Study On The Relationship Between Jobfit, Teacherfit, Morgan & Associates Video Screener, And Iobservation In A Suburban Midwest Public School, M. David Duckworth

Dissertations

Research showed a correlation between highly effective teachers and student achievement. Studies also indicated school administrators play a vital role in overall student achievement by hiring quality teachers. The purpose of this study was to examine the hiring process used by a Suburban Midwest Public School from 2011 through 2016. During this time, the research site used a systematic approach using various screening tools, JobFit, TeacherFit, and Morgan & Associates Video Interviews, as a way to reduce the time spent on reviewing application materials while hiring highly effective teachers. JobFit, TeacherFit, and Morgan & Associates Video Interview Screener all claim …

A Mixed Method Study Examining Corrective Reading Implementation Models In An Urban Midwest School District, Claudette Denean Vaughn

Dissertations

In this mixed methods study, the researcher analyzed three school years of third through fifth-grade students’ reading scores on the NWEA MAP reading test to determine possible differences in students’ reading growth relative to the instructional delivery model used to provide Corrective Reading as supplemental reading intervention. Students received Corrective Reading intervention with the classroom teacher, the afterschool teacher (both large groups), or in small-groups with the Title I Reading Teacher. Five elementary school principals and 15 teachers answered interview questions related to experiences with Corrective Reading, perceptions of student academic and behavioral outcomes, and perceptions of the three instructional …

Optimizing Strategic Sourcing In The Healthcare Supply Chain With Consideration Of Physician Preference And Vendor Scorecards, Parimal Kulkarni

Dissertations

This research focuses on the design of a procurement model for expensive medical supplies in a healthcare supply chain. A deterministic optimization model generates recommendations for optimal purchases of products in a given planning period. The model combines common concepts of supply chain procurement such as leveraging tiered pricing, ensuring supply base diversity with phenomena unique to healthcare supply chain such as consideration of physician preference for products. The deterministic optimization model minimizes total spend over a chosen planning period with consideration of four key decision parameters:

• Physician preference requirements (which are imposed as rules on product substitutability),
• Upper limits …