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Articles 17941 - 17970 of 23770
Full-Text Articles in Entire DC Network
Exercise Level And Age As Related To Self-Perceived Physical Health, Mental Health, And Social Health In Older Adults, Barbara Jean Leach Phd, Msn, Rn
Exercise Level And Age As Related To Self-Perceived Physical Health, Mental Health, And Social Health In Older Adults, Barbara Jean Leach Phd, Msn, Rn
Dissertations
The purpose of this study was to examine the relationship between the level of exercise and age and self-perception of physical, mental and social health in older adults. Voluntary quota sampling was used to recruit 224 older adults aged 55 and up. The Physical Activity Questionnaire for the Elderly (Voorrips, Ravelli, Dongelmans, Deurenberg, & Van Staveren, 1990) was used to determine the current level of exercise of the older adult. Age was measured using the Demographic Questionnaire by Leach (1999) and self-perception of physical health and mental health was measured using the SF-36 Health Survey by Ware (1993). The Texas …
An Evaluation Study Of A Community College Administrative Leadership Development Program, Cristina Chiriboga-Hahn Edd
An Evaluation Study Of A Community College Administrative Leadership Development Program, Cristina Chiriboga-Hahn Edd
Dissertations
The general purpose of this study was to examine a model for professional development designed to meet the needs of administrators who work within the community college segment of higher education. Specifically, the research project was structured as a formative evaluation of the California community college administrative development program entitled Administration 101 offered through the state's primary professional association for administrators, the Association of California Community College Administrators (ACCCA). The study employed a mixed research methodology that included qualitative approaches to assess: 1. The usefulness of the concepts presented in Administration 101 based on the perceptions of participants and presenters, …
Influential Factors Contributing To Exercise Compliance Following A Structured Lifestyle Change Program, Wayne E. Borin Edd
Influential Factors Contributing To Exercise Compliance Following A Structured Lifestyle Change Program, Wayne E. Borin Edd
Dissertations
Cardiovascular disease remains the number one cause of death in the United States, with five hundred thousand people diagnosed annually. Even though regular exercise has been shown to dramatically reduce the risk of cardiovascular disease, few hospitals offer programs that focus on the requisite lifestyle changes for participants to maintain long-term exercise programs. In an effort to determine what factors contribute to long-term exercise compliance, this study surveyed 279 participants of the Scripps Ornish/Healing Hearts program, a comprehensive lifestyle change program, to identify the factors that helped explain variation in exercise compliance among program completers. Results of the hierarchical multiple …
The Use Of Quality Indices For Successful Programs For Students With Emotional/Behavior Disorders In The State Of Michigan, Alice Brouwer Hoekstra
The Use Of Quality Indices For Successful Programs For Students With Emotional/Behavior Disorders In The State Of Michigan, Alice Brouwer Hoekstra
Dissertations
Recent research studies have determined that students with emotional and behavior disorders (EBD) are the most difficult to integrate into the general education environment. Students with EBD are most likely to be educated in separate settings and least likely to be found in traditional education environments. However, the mandate of the Individuals with Disabilities Education Act reauthorized in 1997 (IDEA '97) and the Least Restrictive Environment (LRE) regulation indicates all educators, including administrators, have the responsibility to challenge teachers and schools to be more inclusive regarding students with EBD and to provide services that better support students in this setting. …
Contagious Currency Crises, Fasika Damte Haile
Contagious Currency Crises, Fasika Damte Haile
Dissertations
Currency crises, prior to the 1990s, were thought to be the result of inconsistencies between domestic macroeconomic policies and the exchange rate commitment. But the collapse of the European Exchange Rate Mechanism in 1992, the 1997 Asian crisis and the most recent crisis in Latin America have shifted the focus to models based on self-fulfilling expectations and on contagion. This has resulted in the development of different theoretical models suggesting different mechanisms by which contagion works. But there is still relatively little empirical consensus on how crises spread across countries. My dissertation is intended to fill in the void by …
An Experimental Analysis Of The Effects Of Reading Interventions In A Small Group Reading Instruction Context, Christine M. Bonfiglio
An Experimental Analysis Of The Effects Of Reading Interventions In A Small Group Reading Instruction Context, Christine M. Bonfiglio
Dissertations
The validation of specific reading intervention components in increasing oral reading fluency is evident within the literature for academic responding. However, much of the literature examines these components using single-case designs on an individual basis across students. This study utilized response-guided experimentation in the context of a small group reading instruction with four 4th graders (three male and one female) while examining individual patternsof student responding for oral reading fluency. Acquisition, fluency, and consequential components were examined in a dismantling fashion. Sequential modifications of the treatment package and its components were utilized within a multiple-baseline design in order to identify …
Drug Courts: A Study Of Retention And Suspension In The Kalamazoo County Drug Court Program, James H. Houston
Drug Courts: A Study Of Retention And Suspension In The Kalamazoo County Drug Court Program, James H. Houston
Dissertations
This is a study of the Kalamazoo County Drug Treatment Court Programs. Participants in the court programs are men and women who reside in the county and are charged with drug-related non-violent felonies. These participants, along with judges and administrators of the program, were interviewed for the study. The interviews were held in face-to-face meetings: participants on neutral ground and court functionaries in their offices.
The study sought to determine what factors contributed to the success or failure of drug court participants. It asked to what extent program requirements are perceived by the participants to be coercive, and how this …
The Effects Of Gamma-Hydroxybutyrate On Response Acquisition, Sean Patrick Laraway
The Effects Of Gamma-Hydroxybutyrate On Response Acquisition, Sean Patrick Laraway
Dissertations
In the last 10 years, the use and abuse of the club drug gamma-hydroxybutyrate (GHB) has noticeably increased. Because GHB has only recently emerged as a drug of abuse, relatively little is known about the drug's behavioral effects, including its effects on learning. Therefore, the present study sought to characterize GHB's effects on rats' acquisition of a lever-press response using a two-lever, resetting/cancellation procedure. Under this procedure, responses on one ( reinforcement ) lever produced a single food pellet after a delay of 0, 20, or 40 s. Presses on the second ( cancellation ) lever during a delay interval …
Examination Of The Efficacy Of Behavioral Activation In The Treatment Of Co-Morbid Major Depressive Disorder And Post-Traumatic Stress Disorder, Patrick S. Mulick
Examination Of The Efficacy Of Behavioral Activation In The Treatment Of Co-Morbid Major Depressive Disorder And Post-Traumatic Stress Disorder, Patrick S. Mulick
Dissertations
This study investigated the efficacy of 10-weeks of Behavioral Activation (BA) in the treatment of co-morbid Major Depressive Disorder (MDD) and Post-traumatic Stress Disorder (PTSD) in six adults using a nonconcurrent multiple baseline across participants design. This study is an attempt to expand empirical knowledge regarding BA, co-morbid PTSD and MDD, and the treatment outcome research specifically relevant to these co-morbid diagnoses. All participants met full DSM-IV criteria for both MDD and PTSD at the outset of the study. Duration of baseline for each subject varied and ran for 1, 2, 3, 4, or 5 weeks. Self-report data were gathered …
One Mind Or Two? How Psychiatrists And Psychologists Manage Medical-Scientific And Religious Interpretations Of Mind, Ellen Wagenfeld-Heintz
One Mind Or Two? How Psychiatrists And Psychologists Manage Medical-Scientific And Religious Interpretations Of Mind, Ellen Wagenfeld-Heintz
Dissertations
Building upon concepts from sociology of medicine, religion, knowledge, and professions, this study explores the social determinants of separation and integration of medical-scientific and religious approaches to mind and mental health. Using qualitative interviews, it shows how, to what extent, and why psychiatrists and psychologists of Judeo-Christian religious orientations or nonaffiliated believers in the State of Michigan are willing or reluctant to integrate religious paradigms in their mental health practices. The study turns to a content analysis of 3,680 articles from two leading professional journals to assess the participants’ claims regarding the treatment of religion prevalent in psychiatry and psychology. …
The Tragedy Of The Rivers: Building Authority Over The British Water Environment, Kevin B. Vichcales
The Tragedy Of The Rivers: Building Authority Over The British Water Environment, Kevin B. Vichcales
Dissertations
"The Tragedy of the Rivers: Building Authority over the British Water Environment" examines the problem of rivers as common public resources in modern Britain. Viewed historically, the enduring problem of environmental pollution control in Britain has been the establishment of regulating authority over aspects of nature that are regarded simultaneously as economic resources, public utilities, and public amenities. Legislators, subject to pressure from industrial polluters, political parties, and advocates for environmental quality, sought at different times to locate authority at local, regional, national and extra-national levels. Each effort failed to resolve the issue of authority over the environment, because administrative …
An Analysis Of The Level Of Union Membership In The United States Since The Implementation Of Nafta, David D. Westcot
An Analysis Of The Level Of Union Membership In The United States Since The Implementation Of Nafta, David D. Westcot
Dissertations
Union membership in the United States has been in a state of decline over the last two decades and international trade has been cited as one of the reasons. As such, U.S. labor unions perceived the 1994 implementation of the North American Free Trade Agreement (NAFTA) as an assault on organized labor. This perspective is based on the belief U.S. capital and jobs would move jobs south in an effort to take advantage of Mexico's low-wage differentials. With this in mind, the objective of this research was to determine if the percentage of union membership in any of the 22 …
The Extent To Which Teachers And Principals Perceive High Schools As Learning Organizations, Scott Kemple
The Extent To Which Teachers And Principals Perceive High Schools As Learning Organizations, Scott Kemple
Dissertations
The purpose of the study was to conduct an assessment of the culture and leadership of a sample of Michigan high schools as perceived by their teaching staff and principals.
The variables of culture and leadership are primary indicators of whether a school is viewed as a learning organization by the faculty, staff and administration of the school (Leithwood et al., 2001). Five primary questions were examined: (1) To what extent are high schools perceived as learning organizations by their principals? (2) To what extent are high schools perceived as learning organizations by their teachers? (3) Is there a difference …
Identifying The Function Of Aberrant Behavior: Comparing Variations Of The Experimental Functional Analysis, Kathryn M. Potoczak
Identifying The Function Of Aberrant Behavior: Comparing Variations Of The Experimental Functional Analysis, Kathryn M. Potoczak
Dissertations
The advent of the experimental functional analysis has had a significant effect on the field of behavior analysis in shifting the focus from topography-based interventions for aberrant behavior to treatment based on function. The original method developed by Iwata, Dorsey, Slifer, Bauman, and Richman in 1982 utilized attention, demand, alone, and play conditions in a multielement design. Its effectiveness in determining the function of aberrant behavior using both antecedents and corresponding contingencies of reinforcement is well established, and it is the most prevalent method of functional assessment used today.
However, an alternative to the Iwata et al. (1982) procedure exists. …
Role That Professional Positioning And Professional Socialization Play In The Career Path Of African American Women Superintendents, Cheryl Celestin
Role That Professional Positioning And Professional Socialization Play In The Career Path Of African American Women Superintendents, Cheryl Celestin
Dissertations
This dissertation examines the professional positioning and professional socialization of African American women school superintendents in the Mid-West area of the United States. Numerous studies revealed that there are very few African American women superintendents (Glass, 2000; Alston, 2000; Brunner, 1999; Ortiz, 1998; and Jackson, 1995). Women educators in general and African American women educators more specifically were not placed in professional paths that normally lead to the superintendency (Alston, 2000; Gardiner, Enomoto and Grogan, 2000; and Shakeshaft, 1987). The ladder to the school superintendency had historically included male dominated line positions such as athletic coaching and band directing with …
Multiobjective Optimal Control Problems With Endpoint And State Constraints, Kirsty J. Eisenhart
Multiobjective Optimal Control Problems With Endpoint And State Constraints, Kirsty J. Eisenhart
Dissertations
In this thesis we consider nonsmooth multiobjective optimal control problems in terms of a general preference on [Special characters omitted.]. The optimal control problems considered involve differential inclusion, endpoint constraints and state constraints. No convexity assumption is needed on the differential inclusion. Examples of common preferences are given, and the idea of approximating a preference is introduced. Euler-Lagrange necessary conditions and a form of the maximum principle are developed for closed preferences (and those that can be approximated by closed preferences) in terms of the limiting subdifferential. As a consequence, this is the first result in the literature for lexicographical …
Student Ecosystems Problem Solving With Computer Simulation, Melissa A. Howse
Student Ecosystems Problem Solving With Computer Simulation, Melissa A. Howse
Dissertations
Computer simulations, such as the BioQUEST Environmental Decision Making (EDM) program, represent a viable supplement or alternative to traditional science teaching approaches. This study concentrated on the manner in which knowledge is acquired and then disseminated through the use of the simulations. In addition, the study took into account the nature of science by revealing what notions of ecosystems and simulation were revealed when students encountered concepts imparted to them via this method. The following research questions guided this study: (1) What content knowledge do students use to solve ecology problems? (2) What procedural knowledge do students use to solve …
Development And Psychometric Evaluation Of The Wikoff Spiritual Focus Questionnaire, Karen Luther Wikoff Phd
Development And Psychometric Evaluation Of The Wikoff Spiritual Focus Questionnaire, Karen Luther Wikoff Phd
Dissertations
Spirituality is a concept that has been a part of nursing since nursing began. In every culture spirituality is a component of healing. However, in the United States, nurses seldom assess the concept of spirituality and the patient's spiritual needs are often not addressed. Wikoff Spiritual Focus Questionnaire was designed to help nurses assess and meet the patient's spiritual needs. A review of literature revealed that spirituality was comprised of a relationship between a Higher Power, Self, Others, and Nature which resulted in a sense of being, knowing and life purpose. A fifth dimension of Religion was identified through a …
Instructional Leadership In Guam's Public Elementary Schools, Evangeline Quitugua San Nicolas Edd
Instructional Leadership In Guam's Public Elementary Schools, Evangeline Quitugua San Nicolas Edd
Dissertations
This study explored the current instructional leadership behaviors of elementary principals in Guam as perceived by the principals and teachers, and examined their perceptions on which instructional leadership functions should be shared or delegated in schools. The Principals' Instructional Management Rating Scale, developed by Dr. Phillip Hallinger and modified by the researcher, was used to gather data for this study. Four hundred eighty teachers (53%) and eighteen principals (81%) in Guam's public elementary schools participated, and there was no evidence of non-response bias. From this study, findings revealed that both principals and teachers shared the same perceptions regarding their principals' …
Employee Receptivity To Three Hundred Sixty Degree Feedback Systems As A Function Of Employee Trust And Employee Commitment: An Exploratory Study, Gregory G. Stump Edd
Employee Receptivity To Three Hundred Sixty Degree Feedback Systems As A Function Of Employee Trust And Employee Commitment: An Exploratory Study, Gregory G. Stump Edd
Dissertations
The purpose of this quantitative exploratory study was to determine what affect, if any, employee trust, employee commitment, psychological androgyny (an employee sex-role inventory), and various demographic variables have on employee receptivity to 360-degree feedback (R360). Two organizations participated in the study. The first is a large university located in New York; the second is a small consulting firm located in California. A total of 62 participants responded to the 77-item Internet-based survey. The survey was composed of psychometrically adequate constructs developed in earlier studies. Employee trust, a 12-item construct, consisted of 8 items that measured trust in supervisor and …
Political Leadership Perceptions On The College Of Micronesia System In The Federated States Of Micronesia, Elizabeth Diaz Rechebei Edd
Political Leadership Perceptions On The College Of Micronesia System In The Federated States Of Micronesia, Elizabeth Diaz Rechebei Edd
Dissertations
Political leaders who establish policies and priorities for the nation have influence on how the FSM's sole postsecondary education institution, the College of Micronesia, Federated States of Micronesia (COM-FSM) sets its goals and priorities. During this critical juncture of the FSM nation's growth and its effort to be self-reliant, COM-FSM's purposes and priorities are intricately related to the ongoing processes toward self-reliance. Using a case study methodology, this study examined the perceptions of political leaders in the Federated States of Micronesia relating to the purposes and priorities of the College of Micronesia-Federated States of Micronesia (COM-FSM), and the four campuses …
An Interpretive Exploration Of The Meaning Of Being With Women During Birth For Midwives, Lauren P. Hunter Phd
An Interpretive Exploration Of The Meaning Of Being With Women During Birth For Midwives, Lauren P. Hunter Phd
Dissertations
This study explored the meaning of the phenomenon of the midwife's experience of being present with a woman during childbirth. The value and importance of being with a woman during childbirth, specific and unique to midwifery care, is reflected in midwifery philosophies and models of care. This study looked through the lens of midwives who have written poetry about births they have attended to learn more about the experience of being with a woman. Hermeneutical phenomenology was selected for the philosophical methodology and method because it looked at both the phenomenon and the use of language to describe the phenomenon. …
Justifying Coercion: Nurses' Experiences Medicating Involuntary Psychiatric Patients, Paula K. Vuckovich Phd, Rn
Justifying Coercion: Nurses' Experiences Medicating Involuntary Psychiatric Patients, Paula K. Vuckovich Phd, Rn
Dissertations
This grounded theory study delineates the process inpatient psychiatric nurses use to respond to the challenging nursing problem of medicating resistant involuntary patients. Since approximately one third of all admissions to psychiatric units in the United States are involuntary (Durham, 1996), caring for involuntary patients is a significant part of psychiatric nursing. Medication administration is a major treatment modality that is expected in caring effectively for psychiatric patients (American Psychiatric Association (APA), 1994; APA, 1997; Patel & Hardy, 2001). The process of getting the involuntary patient to accept medication is a major nursing function in a psychiatric unit that treats …
The Effect Of Professionally-Facilitated Group Support On Psychological Well-Being Among Clients With Cancer, Joann C. Harper Phd, Ms, Rn
The Effect Of Professionally-Facilitated Group Support On Psychological Well-Being Among Clients With Cancer, Joann C. Harper Phd, Ms, Rn
Dissertations
Many persons suffer from cancer, some of whom seek psychological relief through group support. Despite the widely held belief that group support helps, its efficacy has not been consistently evident in the scientific literature. The purpose of this study was to compare the effect of professionally-facilitated group support on the psychological well-being of clients with cancer between persons who participated in professionally-facilitated group support with those who did not. A comparison design measured effect by the Psychological General Well-Being (PGWB) index. Each study enrollee was diagnosed with a new or recurrent cancer within 18 months of study entry. ANCOVA was …
Network Lifetime Extension, Power Conservation And Interference Suppression For Next Generation Mobile Wireless Networks, Amer Catovic
Network Lifetime Extension, Power Conservation And Interference Suppression For Next Generation Mobile Wireless Networks, Amer Catovic
Dissertations
Two major focus research areas related to the design of the next generation multihop wireless networks are network lifetime extension and interference suppression. In this dissertation, these two issues are addressed.
In the area of interference suppression, a new family of projection multiuser detectors, based on a generalized, two-stage design is proposed. Projection multiuser detectors provide efficient protection against undesired interference of unknown power, while preserving simple design, with closed-form solution for error probabilities. It is shown that these detectors are linearly optimal, if the interference power is unknown.
In the area of network lifetime extension, a new approach to …
Experimental And Modeling Studies Of Formation Of Products Of Incomplete Combustion And Chlorocarbon Incineration, Roman Brukh
Experimental And Modeling Studies Of Formation Of Products Of Incomplete Combustion And Chlorocarbon Incineration, Roman Brukh
Dissertations
The two-stage combustor facility was used to investigate the process of chlorocarbon incineration and formation of products of incomplete combustion. For this purpose methylene chloride was used as a chlorine-containing compound. The propose of this research was to obtain a better understanding of the incineration process of chlorocarbons, such as methylene chloride, especially regarding its destruction efficiency and formation of products of incomplete combustion. For measuring near-real time very low concentrations of benzene and methylene chloride, on-line microtrap gas chromatography system was used.
The experimental system was validated using a known combustion reaction mechanism from literature. Modeling of combustion process …
Handgrip Pattern Recognition, Zong Chen
Handgrip Pattern Recognition, Zong Chen
Dissertations
There are numerous tragic gun deaths each year. Making handguns safer by personalizing them could prevent most such tragedies. Personalized handguns, also called "smart" guns, are handguns that can only be fired by the authorized user. Handgrip pattern recognition holds great promise in the development of the smart gun.
Two algorithms, static analysis algorithm and dynamic analysis algorithm, were developed to find the patterns of a person about how to grasp a handgun. The static analysis algorithm measured 160 subjects' fingertip placements on the replica gun handle. The cluster analysis and discriminant analysis were applied to these fingertip placements, and …
A Reactive Melt Modification Of Polyethylene Terephthalate, Rahul Ramesh Dhavalikar
A Reactive Melt Modification Of Polyethylene Terephthalate, Rahul Ramesh Dhavalikar
Dissertations
This work investigates the structural and chemorheological modification of polyethylene terephthalate in the melt phase with low molecular weight multifunctional glycidyl compounds as reactive additives. Polyethylene terephthalate undergoes chain extension and/or branching reactions with the additives that result in modified rheological properties suitable for certain polymer processing operations such as extrusion blow molding or extrusion foaming to low densities.
Among five different low MW difunctional and trifunctional epoxy compounds, triglycidyl isocyanurate is shown to be an efficient reactive melt modifier for commercially available polyethylene terephthalate polymers. Its stability at the polyethylene terephthalate melt temperatures is confirmed offline through thermogravimetric and …
Joint Buffer Management And Scheduling For Input Queued Switches, Dequan Liu
Joint Buffer Management And Scheduling For Input Queued Switches, Dequan Liu
Dissertations
Input queued (IQ) switches are highly scalable and they have been the focus of many studies from academia and industry. Many scheduling algorithms have been proposed for IQ switches. However, they do not consider the buffer space requirement inside an IQ switch that may render the scheduling algorithms inefficient in practical applications.
In this dissertation, the Queue Length Proportional (QLP) algorithm is proposed for IQ switches. QLP considers both the buffer management and the scheduling mechanism to obtain the optimal allocation region for both bandwidth and buffer space according to real traffic load. In addition, this dissertation introduces the Queue …
Acoustical Characterization And Parameter Optimization Of Polymeric Noise Control Materials, Emile N. Homsi
Acoustical Characterization And Parameter Optimization Of Polymeric Noise Control Materials, Emile N. Homsi
Dissertations
The sound transmission loss (STL) characteristics of polymer-based materials are considered. Analytical models that predict, characterize and optimize the STL of polymeric materials, with respect to physical parameters that affect performance, are developed for single layer panel configuration and adapted for layered panel construction with homogenous core. An optimum set of material parameters is selected and translated into practical applications for validation.
Sound attenuating thermoplastic materials designed to be used as barrier systems in the automotive and consumer industries have certain acoustical characteristics that vary in function of the stiffness and density of the selected material. The validity and applicability …