Digital Commons Network^™

A Multimethodological Study Of Teachers’ Perceptions Of Technology Professional Development, James Brown

Dissertations

Technology has been pressed into the K-12 educational environment for decades, yet studies have revealed that successful implementation in the classroom has been limited. Numerous studies have focused on the issues of technology professional development from the perspectives of leadership, organizational culture, and student learning, but little has focused on the perspectives of teachers.

This multimethodological study was conducted using a concurrent triangulated method. This study combined a 35-question survey administered online, and individual teacher interviews in order to understand teachers' perceptions of issues critical to successful technology professional development. Surveys were administered to teachers in an intermediate school district …

Adaptive Learning For Event Modeling And Pattern Classification, Shuangshuang Dai

Dissertations

It is crucial to detect, characterize and model events of interest in a new propulsion system. As technology advances, the amount of data being generated increases significantly with respect to time. This increase substantially strains our ability to interpret the data at an equivalent rate. It demands efficient methodologies and algorithms in the development of automated event modeling and pattern recognition to detect and characterize events of interest and correlate them to the system performance. The fact that the information required to properly evaluate system performance and health is seldom known in advance further exacerbates this issue.

Event modeling and …

Virtual Teams Combining Mobile Devices With Web-Based Communication On Group Decision Making, Hyo-Joo Han

Dissertations

Organizations have moved from a face-to-face team environment to a virtual team environment using communication technology during the last decade. More and more workers use asynchronous tools (including email, discussion groups, information sharing tools, and group calendaring systems), and synchronous tools, such as instant messaging and web-based chatting features, to coordinate and share information with people within and outside of organizations. This empirical study on how virtual teams work, integrating mobile devices with web-based group communication for decision-making tasks, examines which technologies and communication modes are the best for distributed group teamwork, and, mainly, what are the predictive characteristics making …

Oblivious Data Hiding : A Practical Approach, Husrev T. Sencar

Dissertations

This dissertation presents an in-depth study of oblivious data hiding with the emphasis on quantization based schemes. Three main issues are specifically addressed:

1. Theoretical and practical aspects of embedder-detector design.

2. Performance evaluation, and analysis of performance vs. complexity tradeoffs.

3. Some application specific implementations.

A communications framework based on channel adaptive encoding and channel independent decoding is proposed and interpreted in terms of oblivious data hiding problem. The duality between the suggested encoding-decoding scheme and practical embedding-detection schemes are examined. With this perspective, a formal treatment of the "processing" employed in quantization based hiding methods is presented. In …

Studies On Improved Integrated Membrane-Based Chromatographic Process For Bioseparation, Yanke Xu

Dissertations

To improve protein separation and purification directly from a fermentation broth, a novel membrane filtration-cum-chromatography device configuration having a relatively impermeable coated zone near the hollow fiber module outlet has been developed. The integrated membrane filtration-cum-chromatography unit packed with chromatographic beads on the shell side of the hollow fiber unit enjoys the advantages of both membrane filtration and chromatography; it allows one to load the chromatographic media directly from the fermentation broth or lysate and separate the adsorbed proteins through the subsequent elution step in a cyclic process.

Interfacial polymerization was carried out to coat the bottom section of the …

Multi-Spectral Light Interaction Modeling And Imaging Of Skin Lesions, Sachin Vidyanand Patwardhan

Dissertations

Nevoscope as a diagnostic tool for melanoma was evaluated using a white light source with promising results. Information about the lesion depth and its structure will further improve the sensitivity and specificity of melanoma diagnosis. Wavelength-dependent variable penetration power of monochromatic light in the trans-illumination imaging using the Nevoscope can be used to obtain this information. Optimal selection of wavelengths for multi-spectral imaging requires light-tissue interaction modeling. For this, three-dimensional wavelength dependent voxel-based models of skin lesions with different depths are proposed. A Monte Carlo simulation algorithm (MCSVL) is developed in MATLAB and the tissue models are simulated using the …

The Impacts Of Delphi Communication Structure On Small And Medium Sized Asynchronous Virtual Teams, Hee-Kyung Cho

Dissertations

The improvement of Internet technology has motivated distributed work groups to collaborate without meeting face to face. Although asynchronous meetings through Web-based group communications systems enable groups dispersed temporarily and geographically to collaborate more flexibly, parallel and non-linear communication among dispersed members also challenge effective and efficient group coordination. Moreover, the Web-based asynchronous meeting is distinguished not only from the face-to-face meeting but also from the synchronous computer-supported meeting in terms of coordination process. However, previous asynchronous group communications or virtual team research focused more on the comparison of this new type of meeting with the face-to-face meeting. Not many …

Statistical Study Of Solar Radio Bursts, Gelu-Marius Nita

Dissertations

The peak flux distribution of 40 years of solar radio burst data recorded by NOAA, as a function of frequency and time over a wide range of frequencies, was investigated to quantify the potential impact of radio bursts on wireless systems. Tables of fit parameters, which can be used to find burst occurrence rates in a number of frequency ranges, are presented. The typical power-law index of number density distribution, -1.8, is similar to that found in many hard X-ray studies. Significant changes were found in power-law index with frequency. The results may be useful for designers of current and …

Self-Reported Personal Problems Of Adventist Academy Students, Ellen Marsh Crosby

Dissertations

Problem. Adolescence is a time fraught with many challenges. There are no current studies prior to this one for Adventist academy students concerning the whole range of their personal problems.

Method. A survey of students in 14 Adventist academies was conducted in the regular classroom setting using the Personal Problems Checklist for Adolescents (PPC-A). The data were analyzed using descriptive and inferential statistics. Data were tested with one-way, two-way, and, three-way ANOVA and correlation coefficients to determine differences between males and females, age groups 13/14 to 18/19, and in three different settings of day, boarding, and self-supporting Adventist …

Teacher Perceptions Of Internet-Based Distance Education In Adventist Colleges And Universities : A Mixed-Methods Study, Susan B. Smith

Dissertations

Problem. An examination of Internet-based distance education (IBDE) is important in order to maintain the delivery of quality higher education and to encourage the systemic adoption of policies and practices that promote excellence in IBDE. The quality of online distance education will increasingly become the standard by which students choose a program as their educational options have multiplied with the dramatic growth in distance education.

Method. This was a sequential exploratory mixed-methods study o f the perceptions of teachers on IBDE. It was conducted collaboratively with Pamela Cress who examined administrator perceptions. Data were collected for both studies from teachers …

A Dictionary Of Middle Egyptian For Students Of Biblical Archaeology And Old Testament Studies, Robert D. Bates

Dissertations

Problem. Middle Egyptian has played an increasingly important role in Biblical Archaeology and Old Testament studies. Much of biblical chronology is closely connected to Egyptian chronology; many biblical events record Egyptian involvement, and some of these are included on Egyptian monuments. A knowledge of Middle Egyptian has been crucial in understanding the historical background and cultural context of the biblical world because this phase of the Egyptian language influenced the widest range of Egyptian writing, particularly as it pertains to Old Testament history. Unfortunately, students do not have all the necessary tools for searching for unfamiliar words in Middle Egyptian. …

Nursing Students' Experiences In Personal Spiritual Formation And In Provision Of Spiritual Care To Patients, Beverly Jane Cobb

Dissertations

Problem. Nursing professionals acknowledge that (a) spiritual care is part of holistic care, and (b) nursing education about spiritual care of patients is inadequate. Evidence points to the importance of personal faith and spirituality in order for the nurse to more effectively render spiritual care to patients. Enhancing knowledge about how nursing students learn spiritual care can benefit nursing education and, ultimately, patient care. This study explored how students with high faith maturity provided spiritual nursing care to patients.

Method. This study engaged phenomenological methods with a study population selected from two faith-based educational institutions. A total of 187 nursing …

Administrator Perceptions Of Internet-Based Distance Education In Adventist Colleges And Universities : A Mixed-Method Study, Pamela K. Cress

Dissertations

Problem . The quality of Internet-based distance education (IBDE) will increasingly become the standard by which students choose a program as higher educational options multiply due to the dramatic growth in distance education. A system-wide examination of perceptions of IBDE in Adventist highereducation is important to administrators for future institutional strategic planning purposes, systemic adoption of policies and practices that promote excellence, and identifying collaborative efforts.

Method . This was a sequential exploratory mixed-method study of the perceptions of administrators on IBDE. It was conducted collaboratively with Susan Smith who examined teacher perceptions. Data were collected for both studies from …

The Improv Church : A Qualitative, Theoretical, And Interdisciplinary Explanation Of Its Appeal To Collegians, Karl Haffner

Dissertations

The college years often represent the time when young people drop out of church. The reasons vary. One of the factors in a decision to abandon church is that college students feel many traditional churches are irrelevant. Conventional methods of pedagogy and communication are typically used. The result is a learning environment that feels stale to many young people.

Some educators are experimenting with new methods of instruction based on advances in learning theories, instructional strategies, and in whole-person learning. The purpose of this study was to consider the Improv Church as a learning environment where these advances in education …

Psychological Sense Of Community In On-Line Learning Environments, Thomas Chris Laughner

Dissertations

Problem. Current literature discusses differences among populations as they relate to face-to-face learning communities. However, no literature exists to determine if these same differences exist in an on-line learning environment. Since community has been closely linked to social and academic integration and success, additional research on whether populations with certain demographics feel the same absence of a sense of community in an on-line environment must be addressed. This study examines differences in psychological sense of community among students based on ethnicity, age, and sex.

Method. A revised Sense of Community Index was administered to students enrolled in at least one …

Instructional Implications Of The Michigan Educational Assessment Program As An Accountability Instrument, Daniel J. Applegate

Dissertations

Problem. In Michigan, early elementary school teachers are held accountable for instructional decisions they made based on the number of children who pass the state standardized reading test, the Michigan Educational Assessment Program (MEAP). Although state officials claim the MEAP can inform instruction, no data are regularly collected to describe reading instructional practices or the relationship between current practices and the percentage of students who pass the MEAP.

Method. Using a survey instrument, this study measured the amount of instructional time Kindergarten through Grade 4 teachers reported that they devoted to the development of 19 different components or activities within …

The Stairway To Heaven: A Critique Of The Evangelical Gospel Presentation In North America, Paul Brent Dybdahl

Dissertations

The topic . This study focuses on the so-called "plan of salvation" or "gospel presentation" that evangelical Christians in the United States present to seekers who want to know how to be saved. There are currently three dominant presentations that are widely employed and emulated. The authors of each are well-known: D. James Kennedy, Bill Bright, and Billy Graham.

The major portion of my study involves a two-stage critique of these dominant evangelical gospel presentations: first, from the perspective provided by communication theory, and second, by comparing the presentations of Kennedy, Bright, and Graham with conversion accounts from Luke-Acts. Essentially, …

Determination Of Spatial Strata For Environmental Regulatory Purposes, John Edward Daniels

Dissertations

This dissertation introduces spatial strata modelling, a methodology that combines spatial statistics, cluster analysis, and geographic information system theories to analyze the background level of naturally occurring contaminants of concern (COCs). The objective of spatial strata modelling is to divide a geographic area of interest into mutually exclusive geographic zones (spatial strata): with each stratum representing a different level of COC concentration. An estimate of each stratum's COC concentration level, representing an upper regulatory limit, will also be provided. Data provided by the Michigan Department of Environmental Quality describing the spatial location and arsenic concentrations of 211 Michigan sites (arsenic …

Student Satisfaction With Michigan Community College Distance Education Courses, Eugene H. Mckay Iii

Dissertations

Distance education courses offered by community colleges and other higher education institutions are becoming popular options for students who seek a more convenient method to obtain a college education. Community colleges are actively expanding their offerings of distance education courses, both nationally and in Michigan. Yet minimal research has been conducted on a large scale to discover the factors which contribute to satisfaction with distance education courses at community colleges.

This study consists of a cross-sectional survey of over 6000 Michigan community college students in Michigan, who completed a distance education courseduring the fall semester of 2002. Sixteen of Michigan's …

Preparing Teachers To Use Technology: The Webquest In The Secondary English Language Arts Methods Classroom, Melinda C. Dobson

Dissertations

This study focuses on why and how English language arts methods instructors can integrate WebQuest development into their courses. Behavioral, cognitive, and constructive learning theory are established as a theoretical basis for introducing the WebQuest into the English language arts methods curriculum. Practicing teachers are surveyed about their WebQuest-use to identify positive and negative outcomes of the activity. National and international standards the WebQuest fulfills are identified. This study focuses on how to integrate technology in general into the methods course and then documents the development of the researcher's WebQuest and that of three different secondary English language arts methods …

Selective Removal Of Nox From Catalytic Cracking Regenerator Effluent Using Wet Scrubbing With Aqueous Sodium Chlorite Solutions, Pin Gu

Dissertations

In most refineries, the flue gas from the regenerator in the fluid catalytic cracking (FCC) unit represents a key source of NOx, SOx, particulate, and CO emissions. Wet scrubbing systems have been used with great success to control particulate and SOx emissions from typical FCC regenerator flue gas. Development of relatively inexpensive and safe additives that can be used in existing scrubbing systems to oxidize and absorb NOx is important in order to increase the industrial options to meet the provisions of the Clean Air Act and recently proposed EPA rules. This paper explores the feasibility of removing NOx from …

Measurement Of The Nonlinear Refractive Index (N2) And Stimulated Raman Scattering In Optical Fibers As A Function Of Germania Content, Using The Photorefractive Beam Coupling Technique, Ferdinand Anayo Oguama

Dissertations

One of the greatest challenges in optical communication is the understanding and control of optical fiber nonlinearities. While these nonlinearites limit the power handling capacity of optical fibers and can cause noise, signal distortion and cross talk in optically amplified transmission systems, they have been equally harnessed for the development of new generations of optical amplifiers and tunable laser sources. The two prominent parameters that characterize the nonlinear properties of an optical fiber are the nonlinear refractive index n₂ and the Raman gain coefficient g_R. These parameters are related to the third order nonlinear susceptibility [x^{(3) …}

Design And Evaluation Of A Voting Tool In A Collaborative Environment, Zheng Li

Dissertations

This dissertation researchdesigned, implemented, and evaluated a Web-based Dynamic Voting Toolfor small group decision-making in a collaborative environment.

In this dissertation, theliterature on voting tools in current GDSS research is presented. Variousvoting theories and methods are analyzed, and the advantages and weaknessesare compared, so as to gain a better understanding of how to apply thesedifferent voting methods to diverse decision-making situations. A briefoverview of scaling theories is also given, with an emphasis on Thurstone'sLaw.

The basic features of someweb-based voting tool implementations are reviewed along with a discussionof the pros and cons of Intemet voting. A discussion of Human DynamicVoting …

A Socio-Historical Analysis Of The Benton Harbor, Michigan Desegregation Case Between 1967 And 1981, Tiffany Anne Loftus Butzbaugh

Dissertations

This study focuses on the socio-history of the Benton Harbor Area School District's ("BHASD") desegregation froth 1967 when Berry v School District of TheCity of Benton Harbor , C.A. 9 W.D. Mich. (1967) ("Berry ") was filed until 1981, when the court-ordered busing took effect. The purpose is to write a socio-historical analysis of BHASC Board of Education (BHASC Board) decisions regarding racial balance and imbalance in BHASC schools. Specifically, I study theBHASD Board, the administration, and the community concerning the following socio-historically relevant decisions: (1) the transfer of students from theSodus attendance district in the BHASD to the …

Male And Female He Created Them: Ælfric’S Lives Of Saints And Patristic Theories Of Gender, Rhonda L. Mcdaniel

Dissertations

My dissertation researches the writings of the four Latin Doctors, Ambrose, Jerome, Augustine, and Gregory the Great, in order to challenge the scholarly stereotype of misogyny and anxiety about women in the writings of these influential figures and, more importantly, to build the cultural foundation upon which to base an interpretation of Ælfric’s portrayals of male and female saints in the Lives of Saints.

Accordingly, in the first chapter I focus on the writings of the Latin Doctors concerning the practice of virginity and on their explications of the Trinity and the Creation and Fall of humankind. I then trace …

Examination Of The Skills And Dispositions Needed For Assistant Principals To Be Effective Disciplinarians, Sherie Lynn Williams

Dissertations

The main purpose of this study was to identify the set of key skills and dispositions needed by secondary school assistant principals to function as effective disciplinarians. A secondary purpose of this study was to explore the perceptions of males and females concerning this topic. This was accomplished by exploring the perceptions of experts and practitioners, both male and female, concerning their ideas on the skills and dispositions needed by assistant principals at the secondary level to be successful disciplinarians.

This study used two methods of data collection, the Delphi Method of collecting information and focus groups. A panel of …

Reliability Of The Educational Technology Profiler Survey As A Method Of Gathering Information In Teacher Preparation Programs, Carmen A. Cornieles

Dissertations

Education is an important factor in the introduction of technology as tools to be used in the teaching process. Teacher preparation programs for general education and special education are working to ensure that technology is a common denominator method of instruction following standards from teaching accrediting agencies. Institutions in charge of teacher preparation programs are aware of the need to prepare their students effectively and efficiently in the use of technology to support teaching and learning. Students in teacher preparation programs should become knowledgeable on using educational technology in their everyday instruction when placed in a school. For this reason, …

Ownership And Stewardship: Attitudes Among Michigan’S Voters Impacting Opposition To Great Lakes Water Diversions, Bruce A. Nanzer

Dissertations

The problem addressed by this research can be demonstrated through the following scenario: If we were to ask randomly chosen voters in the state of Michigan if they possessed sufficient knowledge of Great Lakes water diversion policy, the answer would likely be no. Yet, if after a short description of the purpose for this type of policy, the voter was questioned about supporting such actions he or she would likely voice strong support for strategies that would prevent water diversions.

The objective of this research was to understand why Michigan's voters would readily voice opposition to Great Lakes water diversions …

Essential Elements Of An Implementation Process For Grant-Funded Projects/Programs In Nonprofit Organizations, Margaret M. Bernhard

Dissertations

Grant seeking is a source of funding for many nonprofit organizations. If a proposal is funded, the organization must contend with the responsibility of project implementation and the expectations of successful project outcomes. A project implementation process with strategic and tactical steps that clearly define the path that leads to positive grant outcomes would assist the grant administrator. Using the Delphi Method as a methodological tool for facilitating dialog among anonymous experts, 12 foundation program officers identified, ranked, and rated the essential elements and barriers of grant implementation. The process revealed 13 essential elements of implementation and 11 barriers to …

A Behavior Systems Analysis Approach To Designing A Hlgh-Impact Knowledge Management System, Jacalyn S. Smeltzer

Dissertations

Behavior systems analysis is an approach to designing and managing systems that incorporates the human-performance-technology model of systems analysis and considers the basic principles of behavior when analyzing causes of performance deficiencies and in selecting interventions to address those deficiencies. Behavior systems analysis focuses on three major conditions that influence behavior: (1) the motivation of the individual, (2) the immediate environmental cues, and (3) the consequences of behavior (Malott & Garcia, 1987; Suarez, 2001). The present study used behavior systems analysis to design a knowledge management system (independent variable) for a small business, a consulting firm in the employer-provided training …