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Effects Of Response-Independent Stimulus Delivery And Functional Communication Training, Shannon S. Haag
Effects Of Response-Independent Stimulus Delivery And Functional Communication Training, Shannon S. Haag
Graduate Theses, Dissertations, and Problem Reports
Two individuals with developmental delays with a history of problem behavior participated in this study. Its purpose was to examine the efficacy of combining two treatments demonstrated to reduce problem behavior: response-independent stimulus delivery and differential reinforcement of an alternative behavior. This study examined whether the response-independent delivery of an alternative preferred stimulus and differential reinforcement of manding resulted in increases in manding and suppression of problem behavior prior to and during the fading of the schedule of response-independent stimulus delivery. The study also examined the necessity of extinction to obtain suppression of problem behavior. The response-independent delivery of an …
Aerodynamic Drag Reduction Of A Racing Motorcycle Through Vortex Generation, Gerald M. Angle Ii
Aerodynamic Drag Reduction Of A Racing Motorcycle Through Vortex Generation, Gerald M. Angle Ii
Graduate Theses, Dissertations, and Problem Reports
The aerodynamic drag of a racing-class motorcycle can be accomplished through either an overall redesign of the surfaces or through some type of flow control mechanism. Due to limitations on the size of the exterior shape the flow control techniques are more practical. Small metal vanes, known as vortex generators were used in this research to mix higher energy freestream air with the lower energy boundary layer, delaying boundary layer growth and separation. In testing performed in the West Virginia University Closed Loop Wind Tunnel a maximum reduction of 118 drag counts (10.1%) was measured. Due to an abnormally high …
Development Of Lightweight Frp Bridge Deck Designs And Evaluations, Isaac Lem Howard
Development Of Lightweight Frp Bridge Deck Designs And Evaluations, Isaac Lem Howard
Graduate Theses, Dissertations, and Problem Reports
The focus of this study was to develop and analyze lightweight FRP bridge decks and determine their adequacy under AASHTO's HS25 loading case with minimum stringer spacings of five feet. Two different multicellular decks were designed and tested during this study. Both decks had fiber volume fractions of approximately 54% and weighed 14--15 lb/ft2 of deck area. Testing was performed to determine both the elastic and failure response at the component level and the elastic response at the system level. Theoretical correlation of stiffness was made via approximate classical lamination theory, and maximum transverse load distribution factors were predicted. In …
Geospatial And Statistical Foundations For Streamflow Synthesis In West Virginia, Annie J. Morris
Geospatial And Statistical Foundations For Streamflow Synthesis In West Virginia, Annie J. Morris
Graduate Theses, Dissertations, and Problem Reports
Streamflow values must be synthesized for locations where flow measurement stations, in applications such as the West Virginia SWAP program, are lacking or where only intermittent measurements are available (West Virginia Department of Health and Human Resources, 1999). This research describes an effort to improve upon the current synthetic streamflow model by incorporating geomorphic, geologic, and hydrogeologic measurements. Principal components analysis (PCA) was used to derive a set of master variables that characterize stream flow in West Virginia based on historical data from 29 watersheds. The relationships between variables affecting stream flow were also analyzed using cluster and correlation analysis …
Sport Fish Consumption Advisory For West Virginia, William Alvin Warnick
Sport Fish Consumption Advisory For West Virginia, William Alvin Warnick
Graduate Theses, Dissertations, and Problem Reports
The risk based sport fish consumption advisory protocol, West Virginia Sport Fish Consumption Advisory Guide (the Guide), was drafted for the state. Fish were collected from ten West Virginia sites (5 previously identified as contaminated, 5 previously identified as uncontaminated). Fish samples were collected, processed and analyzed for total mercury concentration and Aroclors (PCBs). Recommended meal frequencies were calculated from contaminant levels and based on the Guide. Mean fillet sample contaminant levels were compared to composite sample levels and found to require the same level or in one case a more protective of consumption advisory. Ten composite samples had Aroclor …
Differentially Expressed Genes In The Mutualistic Neotyphodium Coenophialum-Tall Fescue Interaction, Linda Joy Johnson
Differentially Expressed Genes In The Mutualistic Neotyphodium Coenophialum-Tall Fescue Interaction, Linda Joy Johnson
Graduate Theses, Dissertations, and Problem Reports
Tall fescue (Lolium arundinaceum), an agronomically important forage grass, is typically associated with a mutualistic asexual fungus Neotyphodium coenophialum. Endophytic fungal growth is confined to the intercellular spaces of the plant and induces no symptoms. The endophyte partner enhances its host's fitness by improving nutrient acquisition as well as by providing protection from various abiotic and biotic stresses. However, grass-endophyte partnerships are detrimental to grazing livestock, due to the production of an array of fungal alkaloids. To investigate this interaction at the molecular level, suppressive subtractive hybridization was used to identify differentially expressed genes from the symbiosis. In total, twenty-nine …
Evaluation Of Strut-And-Tie Modeling For Bridge Pier Applications, Thomas Nicholas Ii
Evaluation Of Strut-And-Tie Modeling For Bridge Pier Applications, Thomas Nicholas Ii
Graduate Theses, Dissertations, and Problem Reports
Strut-and-tie modeling is an analysis and design tool for reinforced concrete elements which assumes that internal stresses are transferred through a truss type mechanism. The tensile ties and compressive struts serve as truss members connected by nodal zones. The internal truss idealized by the strut-and-tie model implicitly accounts for the distribution of both flexure and shear.;In 1998, the AASHTO LRFD Bridge Specifications (1998) incorporated the strut-and-tie modeling procedure for the analysis and design of deep reinforced concrete members where sectional design approaches are not valid. In most instances, hammerhead piers can be defined as deep reinforced concrete members and therefore, …
Evaluations Of Concrete Overlays For Bridge Deck Applications, Shiwei Luo
Evaluations Of Concrete Overlays For Bridge Deck Applications, Shiwei Luo
Graduate Theses, Dissertations, and Problem Reports
Protective concrete deck overlays have been successfully used by WVDOH in a number of old and new concrete bridge decks to extend their service life, but in several cases delamination and failures have been observed. A comprehensive study has been recently defined to investigate overlays performance and delamination, culminating eventually in the development of specifications in collaboration with WVDOH and the Contractors and Building Supplies Associations of WV.;The present study is an exploratory research concerned with evaluations of four types of overlays for bridge deck applications, and include: latex modified concrete (LMC), microsilica modified concrete (MMC), microsilica modified concrete with …
Glass Reinforcement Of Recycled Polycarbonate, Adam Al-Mulla
Glass Reinforcement Of Recycled Polycarbonate, Adam Al-Mulla
Graduate Theses, Dissertations, and Problem Reports
The main barrier to recycling of post-consumer plastics is the commingled nature of these materials with consequent poor and variable mechanical, thermal and flow properties; separating the polymers by chemical type is prohibitively expensive and does not completely solve the problem of batch-to-batch variability in properties that results from variations in the nature and amount of impurities and variation in polymer molecular weight and molecular weight distribution. In the present work, it is proposed that the addition of up to 20 wt% short glass fibers to the mixed plastic makes the mechanical and flow properties of the composite depend more …
Three Essays On Data Contaminants, Outliers And Macroeconomic Time Series, Joseph Michael Palardy
Three Essays On Data Contaminants, Outliers And Macroeconomic Time Series, Joseph Michael Palardy
Graduate Theses, Dissertations, and Problem Reports
This thesis illustrates the effects of outliers on forecasting and on simulated general equilibrium models. The first essay demonstrates that using robust-estimation techniques may greatly improve long-run autoregressive forecasts if the model to be estimated is generated from a heavy-tailed distribution. The second essay continues with a similar theme. It shows that in the context of random contamination models, automatic autoregressive selection criteria may be severely inaccurate. If the estimated model is misspecified, forecasting accuracy may be considerably reduced. Once again, robust-estimation techniques limit the influence of the aberrant data---in this case from the contaminating distribution. The third essay demonstrates …
Essays In International Asset Pricing, Hong Wu
Essays In International Asset Pricing, Hong Wu
Graduate Theses, Dissertations, and Problem Reports
This dissertation attempts to assess the ability of various international asset pricing models in explaining asset returns across countries. The Introduction discusses the links between the chapters, the contributions I make and states what I have learned from the dissertation. Chapter 1 of the dissertation derives (in a discrete time framework to facilitate the transition from theory to empirical analysis) a consumption based capital asset pricing model with the added feature of a "keeping up with the Joneses" utility function and applies it in an international context to explain return differences across countries. Relying on the Lucas (1978) asset pricing …
Early Component-Based Reliability Assessment Using Uml Based Software Models, William Black Smith V
Early Component-Based Reliability Assessment Using Uml Based Software Models, William Black Smith V
Graduate Theses, Dissertations, and Problem Reports
In the last decade, software has grown in complexity and size, while development timelines have diminished. As a result, component-based software engineering is becoming routine. Component-based software reliability assessment combines the architecture of the system with the reliability of the components to obtain the system reliability. This allows developers to produce a reliable system and testers to focus on the vulnerable areas.;This thesis discusses a tool developed to implement the methodology previously created for early reliability assessment of component-based systems. The tool, Early Component-based Reliability Assessment (ECRA), uses Rational Rose Unified Modeling Language (UML) diagrams to predict the reliability of …
Relationships Among Spirituality, Cognitive Processing, And Personal Control, Karri Bonner
Relationships Among Spirituality, Cognitive Processing, And Personal Control, Karri Bonner
Graduate Theses, Dissertations, and Problem Reports
The current study was a cross-sectional investigation of how spirituality as a positive life theme might be related to a unique style of cognitive processing. Of secondary interest were the relationships among spirituality and other personal control variables. Using memory recall and recognition tasks, the current study sought to determine whether or not participants would attend more to positive, negative, neutral, or religious words. The results of the current study indicate that (1) older adults are more spiritual than younger adults, (2) higher spirituality is related to higher levels of optimism, (3) spirituality is related to an external locus of …
Three Essays On Trade Policy And Factor Mobility, Baishali Majumdar
Three Essays On Trade Policy And Factor Mobility, Baishali Majumdar
Graduate Theses, Dissertations, and Problem Reports
This dissertation consists of three essays on trade policy and factor mobility. The first essay of the dissertation deals with issues on trade policy. It focuses on the possibility of recipient immiserization under optimal export taxation in a multi-country framework. We find asymmetry between two nations is very crucial for recipient immiserization. The interesting finding is that being more aggressive in taxation is a disadvantage in gaining from receipts of transfers. The larger exporter exercises more market power and is also more vulnerable to the adverse welfare effects of transfer.;The second and third essays explore the issues of trade policy …
Synthesis And Characterization Of Group Iv Metal Complexes Featuring Tridentate Diamidoamine Ligands, Alicia R. Morgan
Synthesis And Characterization Of Group Iv Metal Complexes Featuring Tridentate Diamidoamine Ligands, Alicia R. Morgan
Graduate Theses, Dissertations, and Problem Reports
New synthetic routes for the preparation of five-coordinate zirconium and titanium complexes featuring tridentate diamidoamine ligands were developed. Zirconium dichloride complexes, [(Mes)N(CH2)2NR(CH 2)2N(Mes)]ZrCl2 (R=H, SiMe3), were synthesized via a one step toluene elimination reaction. Analogous titanium dichloride complexes, [(Mes)N(CH2)2NR(CH2) 2N(Mes)]TiCl2 (R=H, SiMe3), were prepared using a one-step amine elimination reaction.;The NMR data for all four of the [(Mes)N(CH2)2NR(CH 2)2N(Mes)]MCl2-type complexes demonstrated that they exhibit CS symmetry in solution, as indicated by the observation of six carbon resonances for the aryl carbons and three 1H and 13C NMR resonances for the methyl groups of the mesityl substituents. Molecular structures obtained from …
Chemical And Physical Properties Of Acid Mine Drainage Floc, Catherine M. Bohan
Chemical And Physical Properties Of Acid Mine Drainage Floc, Catherine M. Bohan
Graduate Theses, Dissertations, and Problem Reports
Acid mine drainage is a serious environmental concern in many regions worldwide, but especially in coal and metal mining regions. These acid drainages are often treated with chemicals to raise the pH of the water and to cause neutralization and precipitation of metals. As neutralization occurs, a looser gelatinous material called "floc" is produced. The effects of neutralizing chemical, pH, sulfate to iron molar ratio, and solids concentration on floc settling properties were determined in synthetic acid mine drainage. Sulfate was the important factor affecting floc physicochemical properties, increasing settling times from 25-125% and decreasing settling rates from 24-63%. Neutralization …
Taxonomic Revision And Paleoecology Of Middle Devonian (Eifelian) Fishes Of The Onondaga, Columbus And Delaware Limestones Of The Eastern United States, Robert Lewis Martin
Taxonomic Revision And Paleoecology Of Middle Devonian (Eifelian) Fishes Of The Onondaga, Columbus And Delaware Limestones Of The Eastern United States, Robert Lewis Martin
Graduate Theses, Dissertations, and Problem Reports
The Eifelian stage of eastern North America has produced the remains of a substantial number of fish taxa, mostly from the Onondaga Limestone of New York and the Columbus and Delaware limestones of Ohio. Fish specimens in rock matrix from the Buffalo Science Museum and the Cleveland Museum of Natural History were compared to rock samples taken from quarries in Cheektowaga, New York and Warrensburg, Ohio, in order to determine the units from which the fish specimens originally came. This method allowed reasonable inference into the provenance of the museum specimens.;The stratigraphy indicates that the seas of New York and …
Electron Transfer Kinetic Studies Of 1-Electron, 1-Proton Redox Couples Attached To Electrodes, Robert M. Haddox
Electron Transfer Kinetic Studies Of 1-Electron, 1-Proton Redox Couples Attached To Electrodes, Robert M. Haddox
Graduate Theses, Dissertations, and Problem Reports
Proton Coupled Electron Transfer (PCET) reactions play a vital rote in a variety of biological and chemical processes. Prior work by E. Laviron developed the theory of proton coupled electron transfer kinetics based on a stepwise mechanism with the transfer coefficient for electron transfer remaining constant at all overpotentials. The present work explores the consequences of a potential-dependent transfer coefficient as applied to redox couples attached to electrodes. Specifically, this work focuses on the 1-electron, 1-proton (1e1H) system. Derivation of the potential-dependence of the transfer coefficient comes from the Marcus density-of-states model of heterogeneous electron transfer. Two 1e1H systems are …
Esl Students' Perceptions Of Role-Play Activities, Flavia Bonella Ribeiro Ramos
Esl Students' Perceptions Of Role-Play Activities, Flavia Bonella Ribeiro Ramos
Graduate Theses, Dissertations, and Problem Reports
There has been significant discussion on the use of role-play activities. Proponents of role-play believe that the activity provides learners with opportunities to communicate freely and spontaneously in different situations. However, researchers have also identified issues that may jeopardize the effectiveness of role-plays. Despite the debate, few studies have focused on the students' point of view. The current qualitative study investigated ESL students' perceptions of role-play activities drawing on observations, questionnaires, and interviews. The results showed that the participants recognized several benefits (e.g., improving oral proficiency, acquiring vocabulary, and rehearsing for real-life communication) while also acknowledging some limitations such as …
Operating Market Based Regulation Service Using Software Agents Compliant With Nerc's Control Performance Standards, Ramanujam Srinivasan
Operating Market Based Regulation Service Using Software Agents Compliant With Nerc's Control Performance Standards, Ramanujam Srinivasan
Graduate Theses, Dissertations, and Problem Reports
With the changing scenario for procurement of energy it becomes necessary to understand the process of obtaining energy from a diverse set of suppliers capable of providing substantial amounts of electric power at competitive prices. Sufficient insight has been gained in the energy brokerage system design and planning owing to experiences in the recently established markets especially the California market. It becomes contextual to analyze and understand the procurement of ancillary services, which are generally bundled as part of the wholesale energy supply chain, using a similarly competitive environment having a number of players that provide electric power for such …
Using Waterflood Performance To Characterize Flow-Units In A Heterogeneous Reservoir, Vamsi Krishna Alla
Using Waterflood Performance To Characterize Flow-Units In A Heterogeneous Reservoir, Vamsi Krishna Alla
Graduate Theses, Dissertations, and Problem Reports
Simulation of waterflood performance is used to verify the characterization of flow-units in a heterogeneous reservoir. BOAST98 software was used for simulation of waterflood performance. Two adjacent five spot patterns in the Stringtown field in West Virginia were selected to be evaluated in this study.;The predicted permeability along with the porosity from Artificial Neural Network (A.N.N) was used for primary characterization purpose and identification of flow-units in the two five spots patterns.;Two alternate simulation models were developed. The simulation model was developed using the available data and those predicted using A.N.N. to verify that the flow-units model was an accurate …
Numerical Modeling Of Air Blast Effects On Hybrid Structures, Matthew J. Fox
Numerical Modeling Of Air Blast Effects On Hybrid Structures, Matthew J. Fox
Graduate Theses, Dissertations, and Problem Reports
Blast resistant structures are gaining increased need in today's society. This research addresses adding composite reinforcement to existing concrete structures to decrease blast damage. An upgraded material model for concrete is presented. This model, used in LS-DYNA3D, incorporates tensile damage, which allows the concrete to degrade as it is loaded. The concrete model is tested using existing unreinforced and reinforced concrete beam tests. Some beams were plain, others were externally reinforced with composites, bonded to the exterior of the beams. There is a very good correlation between the predicted and existing data. The concrete model was then used to predict …
Impact Of Early Childhood Perceptions And Experiences On Oral Health Practices In Later Life, Johnna Marie Guzzi
Impact Of Early Childhood Perceptions And Experiences On Oral Health Practices In Later Life, Johnna Marie Guzzi
Graduate Theses, Dissertations, and Problem Reports
Older adults are at a higher risk for numerous oral and systemic diseases. Oral conditions experienced by the elderly are believed to be cumulative. The purpose of this study was to determine if a relationship exists between early childhood dental care practices/experiences and perceived oral health needs of persons 60 years of age and older who are participants of three West Virginia facilities for the elderly (N = 90). Individuals were interviewed utilizing a two-part 21-item survey. Data analyses, including analysis of variance and tests of chi square, were conducted using the JMP program. Although individuals felt dental health was …
Quantifying The Impact Of The Wto On Kuwait, Reyadh Y. Faras
Quantifying The Impact Of The Wto On Kuwait, Reyadh Y. Faras
Graduate Theses, Dissertations, and Problem Reports
The major contribution of this study is to quantify the economic impact of Kuwait's membership in the World Trade Organization (WTO) on supply, demand, welfare and terms of trade. A general equilibrium international trade model is used to obtain quantitative results. The model is theoretically static and based on the assumptions of perfect competition and constant returns to scale. However, it was estimated and simulated dynamically.;After specifying the model theoretically it is estimated empirically by linearizing the supply and demand equations that were obtained from solving the model analytically. The estimated model is used in a number of simulation exercises …
Mode I Fracture And Durability Of The Cfrp -Concrete Interface Bond, David Moses Boyajian
Mode I Fracture And Durability Of The Cfrp -Concrete Interface Bond, David Moses Boyajian
Graduate Theses, Dissertations, and Problem Reports
The continual degradation of civil infrastructures worldwide has prompted the need for effective solutions, posing major challenges to those involved with reinforced concrete structures. Externally bonded fiber reinforced polymer (FRP) composites have proven to be an efficient means of rehabilitation and enhancement to both existing and new structures alike. An important issue regarding this technology that needs further exploration, however, is the strength and integrity of the interface bond---the inadequacy of which can result in premature failure of the reinforced member.;Until now, there were no available methods to rigorously evaluate the interface bond strength and integrity for concrete structures externally …
Students' Perceptions Of Nonnative Esl Teachers, Etelvo Ramos Filho
Students' Perceptions Of Nonnative Esl Teachers, Etelvo Ramos Filho
Graduate Theses, Dissertations, and Problem Reports
There has been a lot of research on native speaker and nonnative speaker teachers of English as a second language. Authors have addressed negative and positive aspects of these two classes. However, there has not been much research on how students of English as a second language see their nonnative instructors. This qualitative study addresses this issue. In this study I investigated how learners perceive their nonnative speaker teachers. The data were collected through a questionnaire, class observations, and audio-taped interviews with the 16 participants. Two nonnative instructors, who taught the participants, were interviewed also. Overall, despite some negative perceptions, …
Neighborhood Associations: The Foundation Of Community Development, Roger A. Lohmann
Neighborhood Associations: The Foundation Of Community Development, Roger A. Lohmann
Faculty & Staff Scholarship
Neighborhood associations are one of the most ubiquitous types of voluntary organization. This paper reviews a variety of theoretical and practical perspectives on the concept of neighborhood and the various organized expressions of neighborhood organizing in rural and urban communities.
Wearable Arnova: The Intersection Of Ubiquitous Technology, Knowledge Management And Nonprofit Scholarship, Roger A. Lohmann, John Mcnutt
Wearable Arnova: The Intersection Of Ubiquitous Technology, Knowledge Management And Nonprofit Scholarship, Roger A. Lohmann, John Mcnutt
Faculty & Staff Scholarship
Technology has created important new possibilities to expand and enrich the scholar's work situation. The Internet, on-line databases, collaborative technologies including Listserv/discussion groups and teleconferencing have made it possible for nonprofit scholars to collaborate in innovative new ways and produce their work at unprecedented rates. Electronic technology is one of the significant forces underpinning the growth on nonprofit scholarship. A number of institutions have made great strides in providing a rich research environment for nonprofit scholars. Efforts to create on-line communities have been fruitful and rewarding. Nonprofit researchers can develop relationships and share ideas with others anywhere in the world. …
Wvrhc Newsletter, Fall 2002, West Virginia & Regional History Center
Wvrhc Newsletter, Fall 2002, West Virginia & Regional History Center
West Virginia & Regional History Center Newsletters
The West Virginia and Regional History Collection's "Homecoming"
The Separation Of Mosque And State: Islam And Democracy In Modern Turkey, Susanna Dokupil
The Separation Of Mosque And State: Islam And Democracy In Modern Turkey, Susanna Dokupil
West Virginia Law Review
No abstract provided.