Digital Commons Network^™

Development And Evaluation Of The Sleep Treatment And Education Program For Students (Steps), Franklin Christian Brown

Doctoral Dissertations

Sleep difficulties are becoming progressively more common among university students and may be related to increased academic and emotional difficulties. Psychoeducational interventions are among the most effective methods for reducing sleep difficulties and are significantly better than pharmacological treatments. Attempts to demonstrate the effectiveness of such treatments among university students are not present in the literature.

The purpose of this study was to develop the Sleep Treatment Education Program for Students (STEPS) and evaluate its effectiveness to improve sleep habits and reduce sleep complaints. The study used a double blind, experimental design. Participants in the treatment condition received Sleep Hygiene …

Pattern Recognition For Electric Power System Protection, Yong Sheng

Doctoral Dissertations

The objective of this research is to demonstrate pattern recognition tools such as decision trees (DTs) and neural networks that will improve and automate the design of relay protection functions in electric power systems. Protection functions that will benefit from the research include relay algorithms for high voltage transformer protection (TP) and for high impedance fault (HIF) detection. A methodology, which uses DTs and wavelet analysis to distinguish transformer internal faults from other conditions that are easily mistaken for internal faults, has been developed. Also, a DT based solution is proposed to discriminate HIFs from normal operations that may confuse …

An Empirical Analysis Of The Effect Of The Need For Closure On Materiality Thresholds Of Auditors, Cynthia M. Daily

Doctoral Dissertations

The purpose of this study is to identify the strengths of a specific motivator for judgment and decision-making, referred to as “need for closure” and determine how the strength of that motivator affects materiality judgments of auditors.

The extent to which auditors seek and process information prior to forming a judgment can have important consequences in the conduct of an audit. In this regard, psychology researchers have identified a personality characteristic—a motive for judgment and decision making—that influences the decision making process. This motive, referred to as the need for closure, pertains to the desire of individuals to clear …

Preventing Driving Under The Influence Through Informal Interventions: An Examination Of The Decision Making Processes Common To Potential Dui Offenders, David John Williams

Doctoral Dissertations

One novel approach to the driving under the influence (DUI) problem is the informal DUI intervention. Informal DUI interventions are any attempts made to prevent an alcohol-impaired individual from driving. The research to date has concentrated on the factors leading individuals to intervene, informally, in a DUI situation. Comparatively little research has investigated the factors leading potential drunk drivers to comply with informal intervention requests.

An interactional arousal/cost-benefit model was used to predict self-reported informal DUI intervention compliance. According to the model, potential DUI offenders' decisions to comply with intervention requests would be influenced by background variables, context variables, intervention …

Predictor Variables Of Performance On The Louisiana Educational Assessment Program For The 21st Century, June Adeline Thomas

Doctoral Dissertations

Using the Student Characteristics: Iowa Test of Basic Skills (ITBS) composite national percentile scores, repeating fourth grade, spring third grade Developmental Reading Assessment (DRA) scores, socioeconomic status, race, gender, and preschool attendance and the School Characteristics: teacher degree level, teacher experience, teacher professional development, and school Title I status, this study employed a stepwise multiple regression analysis to determine the best predictors of fourth grade scores on the Louisiana Educational Assessment Program for the 21st Century (LEAP 21). Students must pass the English Language Arts (ELA) and Mathematics portions of this test to be promoted to fifth grade. Having previously …

Comparison Of The Transformational Leadership Practices Of Principals Of Charter Schools And Principals Of Traditional Public Schools In Louisiana, Charles W. Patterson

Doctoral Dissertations

The primary purpose of this study was to compare the transformational leadership practices of principals of charter schools and traditional public schools in Louisiana. A causal-comparative research design was utilized. All charter schools were asked to participate in the study, and a matched sample of public schools was selected for the comparison group.

Key findings suggest that charter school and traditional public school principals possess transformational leadership skills. However, there was no difference between the groups in the extent to which they practiced these behaviors. Teachers' perceptions did not differ from principals' self-reported practices. Personal and professional characteristics did not …

An Exploratory Study On The Relationships Among Electorate's Voting Behavior, Party Identification, Personal Values, And Demographic Characteristics, Kuan-Shun Chiu

Doctoral Dissertations

This study was proposed to examine if there existed significant differences in voters' party identification and voting behavior due to gender, race, age, income, education and personal values.

The sample was chosen from eligible voters in Florida. Of the 1500 questionnaires managed, 161 were identified as useable. The sample was representative of the results of 2000 presidential election in Florida with respect to voters' gender, race, income, and voting choice by party identification. Statistical techniques used were ANOVAs, Chi-square statistics, factor analysis, and logistic regression.

This study demonstrates how personal values may be associated with demographic characteristics to create a …

A Study Of The Implementation Of The National Geography Standards And Their Alignment With Classroom Instruction In United States Pk–12 Schools, S. Kay Gandy

Doctoral Dissertations

In the 1980s, media reports of the state of geography in United States schools and national assessments documenting the failing grades of American students resulted in a campaign to eradicate geographic illiteracy. As a result, there have been many reforms made in geography education, including the development of national geography standards. The National Geographic Society developed a Geography Education Foundation to introduce a grassroots movement for curricula change through teacher inservice institutes. Furthermore, geography was recognized as a core subject in the curriculum designated by President George Bush and the governors of the United States of America as part of …

An Examination Of The Relationship Between Perceived Parenting Styles, Psychosocial Development, And Locus Of Control Orientation In College Students, Cheryl Sue Marsiglia

Doctoral Dissertations

This study examined the relationships between perceived parenting styles, psychosocial development, and locus of control orientation in 334 college students. Perceived parenting styles were assessed with Buri's (1991) Parental Authority Questionnaire, based on Baumrind's (1973) parenting typology. The parental dimensions of responsiveness and demandingness are categorized into three styles of parenting: authoritarian, authoritative, and permissive. Psychosocial development was assessed with the Measures of Psychosocial Development (Hawley, 1988), which is based on Erikson's (1950) developmental theory of personality development. Locus of control, based on Rotter's (1954) social learning theory, was measured by Rotter's (1966) I-E scale. Results indicated that authoritative parenting …

An Empirical Investigation Into The Personal Value Systems Of Accounting Managers Of Cpa Firms, Morsheda T. Hassan

Doctoral Dissertations

The objectives of this dissertation were to empirically examine (i) the primary value orientation of CPA firms' managers; (ii) the value profile of these managers; (iii) the relationship between the personal value systems of CPA firm's managers and their managerial decisions, job satisfaction, organizational commitment, and managerial success; (iv) whether the personal value systems of CPA firms' differ by gender or age; (v) differences between the personal value systems of CPA firm's managers affiliated with the departments of auditing, taxation, consulting, information technology, general administration, or others, and (vi) differences between the personal value systems of CPA firms' managers and …

Relationships Between A Quaternary Model Of Psychological Type Processes And Defense Mechanism Clusters, Kathryn Elizabeth Kelly

Doctoral Dissertations

This study examined the relationships between two psychological type dimensions (Extraversion-Introversion and Thinking-Feeling) and defense mechanism preferences. Psychological Type Theory was used as a conceptual framework for the generation of hypotheses. Specific hypotheses between the two psychological type dimensions and defense mechanism preferences were tested. Further, Extraversion-Introversion and Thinking-Feeling were combined, resulting in the formation of a quaternary personality model consisting of four groups (Introverted Thinking, Introverted Feeling, Extraverted Thinking, and Extraverted Feeling). Hypotheses that certain quaternary groups would display specific relationships with defense mechanism preferences were tested. To test hypotheses, 223 university students were administered the Myers-Briggs Type Indicator …

Asp -Pricing: A Black -Scholes Option Pricing Formulation, Chaitanya Singh

Doctoral Dissertations

The Applications Service Provider (ASP) arrangement has engendered a revolution in the area of corporate information technology (IT) by transforming software from a packaged off-the-shelf product to an on-line virtual service.

The focus of this study is to establish a sound mathematical foundation for evaluating software rental agreements (embedding exit flexibility) by incorporating a real options framework (based upon the Black-Scholes approach) into the traditional capital budgeting technique. The static discounted cash flow or net present value analysis may not adequately serve as a ‘barometer’ of outsourcing value due to its inherent weaknesses. On the other hand, the options approach …

Behavior Of Nano-Engineered Platelets In A Coronary Artery Stenosis Model, Hua Ai

Doctoral Dissertations

Cardiovascular disease is the leading cause of death in North America. Cardiac infarction caused by thrombus plaque rupture can often lead to sudden death. Arterial stenosis caused by atherosclerosis is an important precursor leading to thrombus formation. Shear stress, abnormal lipid metabolism, and subendothelial layer exposure are the major contributors to arterial thrombus formation. Platelet activation by the above factors, followed by adhesion is the basic sequence in thrombus formation.

Platelets were encapsulated with nanofilm in order to reduce platelet activation and adhesion under high shear stress. Polyions, nanoparticles and immunoglobulins were assembled in nano-organized shells on fixed bovine platelets …

Air Quality Impact Evaluation Of A Hypothetical Fire-Fighter Training Facility, William Glenn Fuller

Doctoral Dissertations

Human Health Risk Assessments (HHRAs) have become a required component in the permitting process for hazardous waste incinerators and boilers and for closure or evaluation of chemical and petroleum facilities. However, although not currently required, these evaluations are also essential for additional daily processes having the potential to adversely impact the environment. One such process includes emissions produced from a firefighter training facility. Firefighter training facilities perform scenarios to enhance the firefighting ability of the trainees. Three typical scenarios conducted at such a facility include air rescue and firefighting, building fire simulation, and propane system fires. During the course of …

Fuzzy Product -Limit Estimators: Soft Computing In The Presence Of Very Small And Highly Censored Data Sets, Kian Lawrence Pokorny

Doctoral Dissertations

When very few data are available and a high proportion of the data is censored, accurate estimates of reliability are problematic. Standard statistical methods require a more complete data set, and with any fewer data, expert knowledge or heuristic methods are required. In the current research a computational system is developed that obtains a survival curve, point estimate, and confidence interval about the point estimate.

The system uses numerical methods to define fuzzy membership functions about each data point that quantify uncertainty due to censoring. The “fuzzy” data are then used to estimate a survival curve, and the mean survival …

Modeling And Experimental Verification Of Growth Of An Axisymmetric Cylindrical Rod By Three-Dimensional Laser-Induced Chemical Vapor Deposition, Qing Chen

Doctoral Dissertations

Three-dimensional laser-induced chemical vapor deposition (3D-LCVD) is a recently developed micro-manufacturing process that holds great potential for the production of complex microstructures with high aspect ratio. A laser beam is focused through a vacuum chamber window onto a movable substrate. The heat from the laser at or near the focal spot on the substrate induces the decomposition reaction of precursor gas in the chamber. As a result, solid-phase reaction products are deposited on the substrate to form the microstructure. In this dissertation, a numerical model is developed for simulating kinetically-limited growth of an axisymmetric cylindrical rod by pre-specifying the surface …

A New Long -Term Design Model For Rehabilitation Pipe Liners, Shanyun Wang

Doctoral Dissertations

Thin-walled plastic pipe liners are routinely used to rehabilitate structurally sound host pipes that have lost their hydraulic integrity. Such liners are often installed below the water table and are consequently subjected to external hydrostatic pressure which may lead to creep-induced radial deflections and eventual collapse of the liner within the host pipe. Most of the current liner design model is based on the extension of short-term model to a long-term buckling liner design method. The objective of this thesis is to examine and provide a correction factor C* to allow short-term liner buckling models to be more accurately used …

Financial Performance Of Insurance Companies Following Initial Public Offerings, Kulkanya Napompech

Doctoral Dissertations

The quality of insurance companies is a very significant societal issue. Policyholders pay premiums assuming indemnity of their potential losses. It is essential that an insurer be able to meet its contractual obligations when a loss occurs. An initial public offering provides an infusion of capital and an expansion of resources available to a firm. Thus, the objective of this study is to examine the financial and operating impacts of initial public offerings during 1980–2000 on insurance companies.

Chapter 2 examines changes in operating performance of property/casualty insurance companies following initial public offerings. I find that following initial public offerings, …

Efficiency And Performance Of Real Estate Investment Trusts (Reits): An Empirical Examination, Can Topuz

Doctoral Dissertations

This study has a threefold purpose. Its first objective is to investigate input and output efficiencies in the Real Estate Investment Trust (REIT) industry. Its second objective is to understand the impact of size, property share, loan production, debt ratio, property and geographic diversification, control and governance variables, overall risk, capital risk, growth rate, and management type on a number of efficiency measures, including profit, cost, allocative, technical, pure technical and scale efficiency. The third objective is to assess the impact of structural and regulatory changes in the industry on REITs' productivity, technology, and efficiency changes.

I have estimated the …

Comparative Performance Of Rubberized Hot Mix Asphalt Under Alf Loading, Hanlin Qin

Doctoral Dissertations

In response to the Intermodal Surface Transportation Efficiency Act (ISTEA) of 1991, Louisiana constructed five projects to evaluate several methods of using discarded tire rubber in highway pavements. The field performance was quite variable. To achieve the agreement among state agencies on the engineering benefits of using crumb rubber modifier (CRM) in HMA pavement and to define the circumstances where the LaDOTD can use asphalt rubber materials in the most cost effective way, a full-scale research program has been conducted at the Louisiana Transportation Research Center (LTRC) to evaluate the performance of CRM-HMA asphalt pavement under Accelerated Loading Facilities (ALF). …

Just -In -Time Selling: Relation To Market Orientation, Organizational Structure And Organizational Performance, Kenneth Wilburn Green Jr.

Doctoral Dissertations

The purpose of this dissertation is to answer the following research questions related to the efficacy of a Just-in-Time (JIT) selling strategy: (1) What is the nature of the relationships among market orientation, JIT selling, organizational structure, and organizational performance constructs? (2) Does JIT selling mediate and/or moderate the relationships among market orientation and organizational structure and organizational performance?

The market orientation model theorized by Kohli and Jaworski (1990) and the JIT selling model theorized and tested by Germain, Dröge and Daugherty (1994) and Claycomb, Dröge and Germain (1999) are combined to facilitate investigation of the link between market orientation …

2002-2003 Louisiana Tech University Catalog, Louisiana Tech University

Louisiana Tech University Catalogs

The Louisiana Tech University Catalog includes announcements and course descriptions for courses offered at Louisiana Tech University for the academic year of 2002-2003.

Identifying Gifted African-American Students: A Case Study Of A Louisiana School System, Donna Lynn Sutton

Doctoral Dissertations

In 1995, the Office for Civil Rights conducted a compliance review of the Bayou Parish School System (a pseudonym) in Louisiana. The review revealed a statistically significant underrepresentation of African-American students in the Bayou Parish gifted program. This case study examined how African-American representation in a gifted program may be increased through the use of research-based interventions implemented by the Office for Civil Rights.

The researcher used both quantitative and qualitative methods to collect and analyze data. Documents from the Office for Civil Rights and the Louisiana Department of Education were examined to: (a) show patterns of African-American and nonminority …