Digital Commons Network^™

A Design For A National Music Examination Board In Thailand, With Particular Reference To Viola, Juckrit Charoensook

Dissertations

The research of “A Design for a National Music Examination Board in Thailand, with Particular Reference to Viola” aims to study the requirements of viola entrance examinations of the three selected colleges of music in Thailand: Chulalongkorn University, Mahidol University, and Silpakorn University; and the critical survey of syllabi of two selected international music examination boards: Trinity College London and Associated Board of the Royal School of Music. By combining the result from both studies, the design for a standard assessment of viola in Thailand is proposed. The standard assessment is divided into eight grade levels as a common practice. …

Retention Of Community College Students In Online Courses, Sarah Krajewski

Dissertations

The issue of attrition in online courses at higher learning institutions remains a high priority in the United States. A recent rapid growth of online courses at community colleges has been instigated by student demand, as they meet the time constraints many nontraditional community college students have as a result of the need to work and care for dependents. Failure in an online course can cause students to become frustrated with the college experience, financially burdened, or to even give up and leave college. Attrition could be avoided by proper guidance of who is best suited for online courses. This …

Rank Based Procedures For Ordered Alternative Models, Yuanyuan Shao

Dissertations

The ordered alternatives in a one-way layout with k ordered treatment levels are appropriate for many applications, especially in psychology and medicine. There is extensive literature in this area, and many parametric and nonparametric approaches have been introduced. Abelson-Tukey (AT) test is a frequently used parametric method. Its coefficients provide an ideal way of combining means for the purpose of detecting a monotonic relationship between the independent and dependent variables. The AT method, though, is not robust. Furthermore, our initial empirical studies show that it is not more powerful than the Jonckheere-Terpstra (JT) and the Hettmansperger- Norton (HN) nonparametric tests …

The Tale Of Two Middle School Literacy Coaches: Implications For Building Coaching Capacity, Tina Edwards

Dissertations

This study examines the day to day practices of two middle school literacy coaches. My intention is to capture how coaches continue to build their capacity. Data were gathered through multiple sources, in the form of interviews, observations, a focus group, field notes, reflection journal and artifacts. I then analyzed the data to look for themes. Three major themes emerged through this research and several implications are made for literacy coaches, principals, district leadership, professional development providers, university programs and school systems.

Creating A Framework For Success For High School African American Males: A Policy Advocacy Document, Ilandus Hampton Sr.

Dissertations

The policy advocacy document is an alternative to the traditional doctoral dissertation. This approach arose from the educational administration preparation reform agenda which calls for more thoughtful approaches to educational policy development, a concern that educational leadership express itself in a moral context, and a desire to develop reflective practices in administration. (Browder, 1995). This document attempts to ensure public schools, high schools in particular, are providing African American males with the skills and knowledge necessary to be academically successful so that they are given the opportunity and support necessary to achieve economic and social advancements throughout life. The policy …

A Three Part Dissertation: Evaluating A High School District Extended-Period Mathematics Program Using Frequent, Unannounced, Focused, And Short Classroom Observations To Support Classroom Instruction Utilizing Classroom Observations To Inform Teaching And Learning: A Policy Advocacy Document, Lawrence T. Cook

Dissertations

Dissertation Organization Statement

This document is organized to meet the three-part dissertation requirement of the National Louis University (NLU) Educational Leadership (EDL) Doctoral Program. The National Louis Educational Leadership Ed.D is a professional practice degree program (Shulman, Golde, Bueschel, & Garabedian, 2006). For the dissertation requirement, doctoral candidates are required to plan, research, and implement three major projects, one each year, within their school or district with a focus on professional practice. The three projects are:

• Program Evaluation
• Change Leadership Plan
• Policy Advocacy Document

Using Frequent, Unannounced, Focused, And Short Classroom Observations To Support Classroom Instruction, Lawrence T. Cook

Dissertations

This paper examines the need to do more frequent, short (10- to 15-minute), unannounced, and focused classroom observations to support classroom instruction. Currently, the state requires at least one to three classroom observations per teacher; the number of observations is based on tenured and rating status. Classroom observations consist of at least a 15- to 30-minute pre-observation, a 30- to 60-minute observation, and a 30- to 45-minute postobservation. The diagnostic framework of Wagner, Kegan, Lahey, Lemons, Garnier, Helsing, Howell, and Rasmussen’s (2006) systemic change plan was used. The process looked at current (As-Is) and future (To-Be) status of an organization …

Impact Of Single Gender Programs On Achievement, Attendance, Discipline, And Character: A Program Evaluation Project, Carla L. Sparks Dr.

Dissertations

The instance of single gender education in American public schools has risen since the 2006 amendments to Title IX permitting public schools to separate boys and girls for academic purposes. The purpose of this study is to determine the efficacy of single gender education to promote gains in student academic achievement, increase attendance levels, support character development, and decrease student discipline problems. The context of this inquiry is a large public school district that incorporates single gender education applications across the district. My study is focused on an all-girls middle school and an all-boys middle school, and it demonstrates outcomes …

Poisson Versus Negative Binomial Regression In The Analysis Of Count Data, Barbie Ann L. Bugna

Dissertations

Commonly used tests for treatment effect in kx2 frequency data are Poisson regression, negative binomial regression, and Cochran-Mantel-Haentzel. In practice, Poisson regression or CMH is used as default, and NB regression is used only when there is reason to believe the data has overdispersion beyond what is expected of Poisson counts.

We show that the Poisson regression is sensitive to the Poisson assumption, and does not maintain its size in the presence of overdispersion. In particular, it tends to interpret overdispersion as significant treatment effect. Thus there is a need for a reliable pretest for the Poisson assumption. A commonly …

Design And Synthesis Of New Non-Steroidal Anti-Inflammatory Drugs With Anti-Cancer Activity On Colon Rectal Cancer Cell Lines Hct-116 And Caco-2, Wanda Ivette Rodríguez Rivera

Dissertations

Colon rectal cancer is one of the most common types of cancer and is the third leading cause of cancer related deaths among western countries. Current chemotherapy treatments are highly toxic and mostly result in only a low percentage of tumor reduction; therefore an effective treatment with low toxicity is needed.

In this study, different innovative new COX-2 inhibitors were synthesized using the frame of biologically active chalcones to which active COX-2 pharmacophores SO₂CH₃, SO₂NH₂, SO₂NHCOCH₃ were added. Additionally, the effect of different alkyl chain lengths and the effect …

To Be Or Not To Be Satisfied: Examining Job Satisfaction Of Entry-Level Residence Life Professionals At Historically Black Colleges And Universities, Evingerlean D. Blakney

Dissertations

Research on historically Black college and universities (HBCUs) as institutions of higher education is limited. There is even less scholarship that brings forth an understanding of student affairs at these institutions. A gap in the higher education, student affairs, residence life, and job satisfaction literature suggested a need for research on residence life professionals at HBCUs. Therefore, the goal of this study was to examine job satisfaction of entry-level residence life professionals at HBCUs. For this study, the researcher looked for factors that contributed to overall job satisfaction and further examined the roles of both gender and public or private …

Development Of A Capacity Deployment Model For Disrupted Supply Chain Networks, James D. Burns

Dissertations

The increasing complexity of modern supply chains is widely accepted as one of the many drivers of risk that can leave organizations vulnerable to the effects of a disruption. This acceptance has contributed to an emerging interest in Supply Chain Resilience in the literature. Resilient supply chains are able to both resist the effects of a disruption and recover efficiently if the disruption is severe. This new body of literature is still in a formative phase and has thus far focused on defining Supply Chain Resilience, proposing frameworks for its implementation, exploring factors that contribute to resilience, and investigating methods …

Design Of Oppnet Virtual Machine For Opportunistic Resource Utilization Networks: A Universal Standard For Application-Level Resource Sharing, Mai A. Alduailij

Dissertations

Opportunistic resource utilization networks or oppnets are a paradigm for specialized ad hoc networks. The Oppnet Virtual Machine (OVM) is a collection of primitives designed to create a middleware for application-level resource acquisition by oppnets and oppnet-enabled systems and devices (where the latter are defined as the computational entities able to communicate with other oppnets or oppnet-enabled entities). Acquisition of communication resources is the foundation for acquisition of other resources.

The OVM primitives can be downloaded by any computational entity—making entity oppnet-enabled. OVM ensures that oppnet-enabled entities can communicate and acquire resources in an opportunistic and ad hoc manner. This …

Assessment And Comparison Of The Electronic Properties Of Group 10 Bimetallic Nanoparticles Relative To Their Monometallic Counterparts, Ali Bolandi

Dissertations

Group 10 transition metals with nanoscale dimensions offer significant advantages over their bulk counterparts. Significant work has been devoted toward studying the benefits of their catalytic efficiencies, however, less has been dedicated toward understanding their electronic properties and how such changes influence charge storage and sensor efficiency. The dissertation work focuses on designing metallic and bimetallic nanoparticles consisting of nanoscale Group 10 transition metals with welldefined structures, prepared using a facile synthetic procedure. The nanoparticles were characterized by electron microscopy, spectroscopic and x-ray techniques. The efficiency of monometallic and bimetallic nanoparticles toward electron storage was investigated electrochemically and by optical …

Novel Software Defined Radio Architecture With Graphics Processor Acceleration, Lalith Narasimhan

Dissertations

Wireless has become one of the most pervasive core technologies in the modern world. Demand for faster data rates, improved spectrum efficiency, higher system access capacity, seamless protocol integration, improved security and robustness under varying channel environments has led to the resurgence of programmable software defined radio (SDR) as an alternative to traditional ASIC based radios. Future SDR implementations will need support for multiple standards on platforms with multi-Gb/s connectivity, parallel processing and spectrum sensing capabilities. This dissertation implemented key technologies of importance in addressing these issues namely development of cost effective multi-mode reconfigurable SDR and providing a framework to …

Students’ Development Of Geometric Reasoning About The Derivative Of Complex-Valued Functions, Jonathan David Troup

Dissertations

The purpose of this study was to explore the nature of students’ reasoning about the derivative of a complex-valued function, and to study ways in which they developed this reasoning while working with Geometer’s Sketchpad (GSP). The participants in this study were four students from one undergraduate complex analysis class. The development of participants’ reasoning about the derivative of a complex-valued function was captured via video-recording and screen-capture software in a four-day interview sequence consisting of a two-hour-long interview each day. This reasoning was interpreted through the theoretical perspective of embodied cognition. The findings indicated that students manifested embodied reasoning …

Perceptions Of Teacher Evaluation Systems At Cte Centers In Michigan, Michael A. Martel

Dissertations

This study investigated Career and Technical Centers in Michigan and their teachers’ and principals’ perceptions of their teacher evaluation systems which include a student growth mandate. CTE center teachers and principals were asked to provide their perceptions on how well their teacher evaluation systems provide information to improve teaching and learning. Differences between teachers and principals were explored.

The study was quantitative in design using survey research to obtain perceptions of CTE center teachers and principals. The data collection tool utilized a Likert scale moving from strongly disagree to strongly agree. Open-ended questions provided system quality information from respondents. Demographic …

Olfactory Enrichment In California Sea Lions (Zalophus Californianus), Mystera M. Samuelson

Dissertations

In the wild, California sea lions (Zalophus californianus) are exposed to a wide array of sensory information at all times. However, it is impossible for captive environments to provide this level of complexity. Therefore unique procedures and practices are necessary for the maintenance of physiological and psychological health in captive animals (Wells, 2009). This project aims to explore the behavioral effect of scent added to the environment, with the goal of improving the welfare of captive sea lions by introducing two scent types: 1.) Natural scents, found in their native environment, and 2.) Non-natural scents, not found in …

Hybrid Aryl-Ether-Ketone And Hyperbranched Epoxy Networks, John Misasi

Dissertations

In this dissertation, relationships between chemical structures, cure kinetics and network architectures are correlated to bulk mechanical properties for novel, hybrid epoxy-amine networks. The work is split into two primary sections: the first is the synthesis and characterization of multifunctional glassy networks based on aryl-ether-ketone diamine curatives, while the second is based on the synthesis and characterization of hyperbranched epoxy polymers and their resulting networks.

Three aryl-ether-ketone (AEK) diamines of increasing molecular weights were synthesized and used to cure 4,4’-tetraglycidylether of diaminodiphenylmethane (TGDDM); the resulting networks were compared to 4,4’-diaminodiphenyl sulfone cured TGDDM. Architectural differences were created by varying cure …

Macrobenthic Communities In The Northern Gulf Of Mexico Hypoxic Zone: Testing The Pearson-Rosenberg Model, Shivakumar Shivarudrappa

Dissertations

The Pearson and Rosenberg (P-R) conceptual model of macrobenthic succession was used to assess the impact of hypoxia (dissolved oxygen [DO] ≤ 2 mg/L) on the macrobenthic community on the continental shelf of northern Gulf of Mexico for the first time. The model uses a stress-response relationship between environmental parameters and the macrobenthic community to determine the ecological condition of the benthic habitat. The ecological significance of dissolved oxygen in a benthic habitat is well understood. In addition, the annual recurrence of bottom-water hypoxia on the Louisiana/Texas shelf during summer months is well documented.

The P-R model illustrates the decreasing …

Hydrogen Bond-Mediated Structural Order In Hydroxylated Bis-Mpa Dendritic Polymers: Experimental And Molecular Dynamics Simulation Study, Maliha N. Syed

Dissertations

Dendritic architectures are echoed throughout nature. While the significance of these pervasive patterns is not entirely clear, connections between their structures and physical properties are fascinating to contemplate. Particular interest has been paid to a family of synthetically manufactured and commercially available dendritic polymers based on 2,2-bis(hydroxymethyl) propionic acid (bis-MPA) as a monomer. Composed of two hydroxyls and a carboxyl group, bis-MPA based structures hydrogen bond (H-bond) profusely. Given the high concentration and unique spatial orientation of end-groups, as well as the multitude of carbonyl, ester, and ether interior H-bond acceptors, a set of distinct H-bond organizations may be observed …

A Partnership Between A Midwest Community College And The Highly Regulated Power Production Industry: A Case Study Regarding The Development Of An Energy Production Technology Program, Kenneth W. Flowers

Dissertations

With nearly every industry predicting severe employee shortages, the available worker pipeline, including the employed, may need to upgrade their skills. In addition, the number of jobs available will soon exceed the number of available workers, even if all the workers were skilled. This study investigated the perceptions held by key individuals within the energy industry regarding an Energy Production Technology degree program developed at one Midwest community college to help address worker pipeline issues in the energy industry.

This study discovered a void within present literature discussing the interaction between community colleges and the nuclear energy industry concerning the …

Physical Education Teacher Education Teacher Candidates’ Perceptions About And Implementation Of Caring, Tanjian Liang

Dissertations

The purpose of this study was to examine physical education teacher education (PETE) teacher candidates’ perceptions about and implementation of caring during eight-week student teaching experiences. The specific research questions were: (a) How do caring teacher candidates perceive and define caring? and (b) How do caring teacher candidates implement caring behaviors throughout their eight-week student teaching assignments? In line with the research questions, a qualitative case study approach was used. Participants were two PETE caring physical education teacher candidates from the same program. Data sources included semi-structured interviews, informational conversational interviews, field notes, documents, and research journals. Data were analyzed …

Biomechanical Assessment Of Ertl And Burgess Transtibial Amputation Techniques, Abbie Elthea Ferris

Dissertations

In this dissertation, a model was developed to predict the inertial properties of the shank and foot of persons with TTA and functional differences between Ertl and Burgess amputees during curb negotiation and the sit-to-stand tasks were evaluated. The developed inertial model was able to predict the shank and foot segment mass, COM location, and MOI more accurately than using the intact limb inertial properties. Used as inputs into inverse dynamics equations, the general model predictions produced joint moments which were also similar to the subject-specific measures. Thus, this model is a better predictor than the current method of using …

Development Of Dual-Cure Hybrid Polybenzoxazine Thermosets, Jananee Narayanan Sivakami

Dissertations

Polybenzoxazines are potential high performance thermoset replacements for traditional phenolic resins that can undergo an autocatalytic, thermally initiated ring - opening polymerization, and possess superior processing advantages including excellent shelf-life stability, zero volatile loss and limited volumetric shrinkage. The simplistic monomer synthesis and availability of a wide variety of inexpensive starting materials allows enormous molecular design flexibility for accessing a wide range of tailorable material properties for targeted applications. Despite the fact, once fully cured, benzoxazines are difficult to handle due to their inherent brittleness, leaving a very little scope for any modifications. The motivation of this dissertation is directed …

Asymmetric Synthesis Of Cα-Methyl-Γ- And Δ-Amino Acids From A Common Synthon And Evaluation Of Thionyl Chloride Assisted Peptide Esterifications, Emily Rose Vogel

Dissertations

C^α-methyl-γ- and δ-unnatural amino acids (UAAs) are important class of biomolecules used extensively as structural scaffolds, peptidomimetics, and in the development of pharmaceuticals. Due to steric congestion surrounding the quaternary center, asymmetric preparation of α,α-disubstituted UAAs are synthetically challenging. Herein, two methods for the synthesis of chiral synthons to prepare C^α-methyl-γ- and -δ-UAAs are reported. A crucial step in both strategies includes an enzymatic hydrolysis of prochiral malonic esters with pig liver esterase (PLE). The first method utilizes the Meyer Schuster rearrangement to prepare α,β-unsaturated diesters synthons, but the preparation of the precursor propargyl alcohol decomposes …

From Networked Learning To Operational Practice: Constructing And Transferring Superintendent Knowledge In A Regional Instructional Rounds Network, Timothy J. Travis

Dissertations

Instructional rounds are an emerging network structure with processes and protocols designed to develop superintendents’ knowledge and skills in leading large-scale improvement, to enable superintendents to build an infrastructure that supports the work of improvement, to assist superintendents in distributing leadership throughout their district, and to develop a cadre of educational leaders focused on developing their practice (Rallis, Tedder, Lachman, & Elmore, 2006). In a platform-learning model, learning in a superintendents’ network can be viewed as occurring both individually and collectively on an external platform outside each individual school district (Schulz & Geithner, 2010). In this phenomenological study, I explored …

An Examination Of Academic Grit In Urban High Schools, Ronald Gorman

Dissertations

Currently, in America’s schools, approximately one in five high school students will not graduate with his or her peers, and many others will never receive a high school diploma (Stillwell & Sable, 2013). Many students arrive in our nation’s high schools without the requisite skills to be successful, and when they exhibit failure for the first time, a large percentage of them do not have the passion and perseverance to accomplish their long term goals – otherwise known as “academic grit,” a term coined by Duckworth (2007), a leading researcher in the area.

To investigate the issues mentioned above, a …

Face Recognition With Multi-Stage Matching Algorithms, Xianming Chen

Dissertations

For every face recognition method, the primary goal is to achieve higher recognition accuracy and spend less computational costs. However, as the gallery size increases, especially when one probe image corresponds to only one training image, face recognition becomes more and more challenging. First, a larger gallery size requires more computational costs and memory usage. Meanwhile, that the large gallery sizes degrade the recognition accuracy becomes an even more significant problem to be solved.

A coarse parallel algorithm that equally divides training images and probe images into multiple processors is proposed to deal with the large computational costs and huge …

Identities And Motives Of Naturalist Development Program Attendees And Their Relation To Professional Careers, Jennifer A. Mraz

Dissertations

In recent years, there has been much concern over the decline of biologists who actually identify themselves to be naturalists, which negatively impacts the field of conservation and the study of biology as a whole. This could result in a decrease in individuals who participate in naturalist-like activities, such as informal environmental education and environmental volunteerism. The purpose of my study was to determine what discourse identities were held by naturalist development program participants, how these discourse identities related to their volunteer motives in environmental settings, and how discourse identity related to professional careers. I defined identity through the lens …