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Articles 1 - 30 of 149
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Cuba's Tourist Industry: Parallel Economies And Social Stratification, Marie Nathan Hummel
Cuba's Tourist Industry: Parallel Economies And Social Stratification, Marie Nathan Hummel
UNLV Retrospective Theses & Dissertations
International tourism has played an important role in unintended social changes in socialist countries. These social and cultural changes affect not only the economic, political and cultural genre of the government, but also of its citizens; This thesis asks the question, "Has the re-introduction of international tourism in Cuba diluted and compromised the egalitarian goals of the revolution"? I intend to show that the consequences of Cuba's emerging tourist industry has not only compromised the ideology of the revolution, but has in fact seen a return of a pre-revolution stratified society and parallel economies, one based on the peso and …
A Framework For Secure Applications With Qos, Ajay Kanagala
A Framework For Secure Applications With Qos, Ajay Kanagala
UNLV Retrospective Theses & Dissertations
In this thesis we propose a solution to support Quality of Service (QoS) network communication transactions modeled on differentiated services and economic principles. We propose an enhanced user-level negotiation protocol where transactions are accomplished in a secure mode and where resource allocations are simple and fair. With the availability of inexpensive network monitoring hardware, any issue dealing with network security becomes a priority. Current networks must support multiple levels of service over a single network connection. Differentiated levels of service create new resource management problems for network middleware. Just as a first class passenger is willing to pay the premium …
The Evolution Of Drug Laws In America And The Variation In Penalties And Sentencing In State Courts, Robert Christopher Hogenson
The Evolution Of Drug Laws In America And The Variation In Penalties And Sentencing In State Courts, Robert Christopher Hogenson
UNLV Retrospective Theses & Dissertations
The purpose of this study was to examine the evolution of major drug laws in the United States, the variation in statutory penalties between selected states, and to determine if the written law is reflected in sentencing and prison admissions. Penalties for felony possession and illicit trafficking for five states-Arizona, Florida, Illinois, Nevada, and New York---were compared with case disposition, incarceration rates, and average time offenders spend in jail or prison for these offenses. Two data sources from Bureau of Justice Statistics were utilized for this analysis. The first data set was titled "State Court Processing Statistics, 1990, 1992, 1994, …
Personal Epistemology: Implications For Stress In College Students, Robyn M Johnson
Personal Epistemology: Implications For Stress In College Students, Robyn M Johnson
UNLV Retrospective Theses & Dissertations
This research study investigated whether college students' epistemological beliefs (i.e. certain knowledge, simple knowledge, fixed ability, quick learning, and omniscient authority) could predict negative stressors and/or reactions to stress in their college experience. Based on responses to two self-assessment inventories and a demographic survey; analysis of the data suggests that over and above contributions from demographics (i.e. gender, ethnicity, age, and education level), certain dimensions of epistemological beliefs contributed significantly to the prediction of negative stress in college students. This suggests that it is essential for educators to provide opportunities for students' epistemological development; specifically, in the area of constructing …
Exploring The Shivwits Production Zone, Eva Albrecht Jensen
Exploring The Shivwits Production Zone, Eva Albrecht Jensen
UNLV Retrospective Theses & Dissertations
The Shivwits Plateau is situated on the Arizona Strip in the northwest corner of Arizona. It is a relatively unexplored area rich in archaeological resources. This study provides three areas of exploration of the prehistoric Virgin Anasazi Pueblo period. Three research questions are posed. Are there substantial Virgin Puebloan sites on the Shivwits Plateau? Through compiled site data and analysis of settlement models the information supports the conclusion that there was a substantial prehistoric use of the Shivwits Plateau; A specific question about pottery production guides the second part of the research. Was the sherd-tempered Shivwits Plain and Shivwits Corrugated …
Salient Features Of Contextual Interference And Knowledge Of Results, Morgan Steven Kearney
Salient Features Of Contextual Interference And Knowledge Of Results, Morgan Steven Kearney
UNLV Retrospective Theses & Dissertations
The current study investigated the relationship between the contextual interference effect and knowledge of results manipulations. Specifically, three variations of a relative timing task were presented in either a blocked or random schedule, and participants were either required to error estimate or given no instruction concerning estimation. A 2 (Acquisition Context) x 2 (Error Estimation Frequency) ANOVA was used to analyze absolute error (AE), variable error (VE) and a relative timing measure (AE(prop.)). The main effects that there was a blocked advantage during retention. In addition, a 100% estimation advantage existed for AE and VE, but was not present for …
Analysis Of Cyclic Shallow-Water Carbonates: Cambrian Highland Peak Formation, Eastern Nevada, Robyn Allyn Howley
Analysis Of Cyclic Shallow-Water Carbonates: Cambrian Highland Peak Formation, Eastern Nevada, Robyn Allyn Howley
UNLV Retrospective Theses & Dissertations
Several methods of analysis were used to test the robustness of sea level signals recorded in Middle to lower Upper Cambrian shallow-water carbonate rocks in the southwestern United States and to refine stratigraphic correlation of this interval. Embedded Markov chain and cycle architectural analysis define the high-frequency accommodation signal, whereas cycle grouping pattern and facies proportions analysis reveals low-frequency sequence stratigraphic accommodation changes. Gamma analysis and Fischer plots were unsuccessful in deciphering the signature of high or low frequency signals; Six low-frequency accommodation events are present in the Middle to lower Upper Cambrian Highland Peak Formation. Each sequence is bounded …
Attitudes Of Teachers On Inclusion In A Private School That Is Not Federally Mandated, Tracy L Kelley
Attitudes Of Teachers On Inclusion In A Private School That Is Not Federally Mandated, Tracy L Kelley
UNLV Retrospective Theses & Dissertations
The study examines teachers' attitudes toward inclusion in a private school setting. Seventeen general education classroom teachers in a private religious day school completed a 33-item questionnaire designed to assess their attitudes toward inclusion of students with disabilities in their classroom. Areas addressed in the survey include: non-teaching related concern, teaching related concerns, feelings of adequacy at implementing inclusion, how other students may feel toward inclusion, concerns of teaching and student learning, and professional development. Results revealed that overall teachers in this private school have a positive or realistic attitude toward inclusion of students with disabilities.
Numerical Solutions To Poisson's Equation Using Radial Basis Functions, Michael David Ludian
Numerical Solutions To Poisson's Equation Using Radial Basis Functions, Michael David Ludian
UNLV Retrospective Theses & Dissertations
This thesis addresses the problem of obtaining solutions to Poisson's equation which is encountered in the applied sciences and engineering fields. Two separate methods are explained for obtaining particular solutions to this equation. The Method of Fundamental Solutions is then used to solve the remaining homogeneous equation in the context of the Method of Particular Solutions and Dual Reciprocity Method. Numerous examples are given using 2-D and 3-D domain problems; The first method is an interpolation method that has resulted in some problems with ill-conditioning of the matrix used in the problem solving and a remedy has been examined in …
Pricing And Eminent Domain Takings: A Case Study Of Residential Property In Las Vegas, Nevada, William C Kuhn
Pricing And Eminent Domain Takings: A Case Study Of Residential Property In Las Vegas, Nevada, William C Kuhn
UNLV Retrospective Theses & Dissertations
This case study tests whether compensation for eminent domain takings equals estimated market prices for residential property located near McCarran Airport in Clark County Nevada. The hedonic model provides evidence that takings compensation was often less than estimated market price, a discount was paid to owners of smaller homes, and a premium was paid to owners of larger homes. Although data constraints, estimation issues and lack of previous studies hamper broad conclusions, the robust data set, consistency of model specification results, and the explanatory power of economic thought is evident in these results. The results are somewhat surprising in that …
Image-Based Interactive Tools For Entering Ground Truth Data, Jun Liu
Image-Based Interactive Tools For Entering Ground Truth Data, Jun Liu
UNLV Retrospective Theses & Dissertations
We report on the design and implementation of an interactive system for capturing the logical description of textual documents. This system is equipped with a graphical user interface which guides the user in defining components of the logical structure of the document while viewing document page images. The system is expected to enable faster and more accurate ground truth document data collection.
On Evaluating Small-Scale Variations Of Hydrologic Processes In Time And Space, Qingguang Lu
On Evaluating Small-Scale Variations Of Hydrologic Processes In Time And Space, Qingguang Lu
UNLV Retrospective Theses & Dissertations
This study focuses on representing the small variations in hydrologic properties at various scales. Numerical experiments are used to explore the effects of the distributions of various hydrologic processes at various scales. The model used in this study is a physically based distributed hydrologic model system (HMS). The HMS is implemented in a 7.29 km2 sub-watershed within the Susquehanna River Basin in Pennsylvania. Rasterized data sets such as topographic data, soil data, and land use/land cover data are used as input to the HMS. Geographic Information System package is used to preprocess the raster data sets. Stochastic approaches are applied …
Lights, Audience, Profit: The Evolution Of The Las Vegas Spectacle, Jaime Lee Rana Koran
Lights, Audience, Profit: The Evolution Of The Las Vegas Spectacle, Jaime Lee Rana Koran
UNLV Retrospective Theses & Dissertations
Las Vegas is known as a post-modern city; its development in the later half of the twenty-first century is an explosion of tourism, spectacle and gambling. Especially with the transitions of the past two years and the great variety in the new shows, no one has asked the question how did Las Vegas get from the showgirl to Blue Man Group? If we are to visualize a Las Vegas in the future, it is essential that we understand the whys of and the forces that impel change in the Las Vegas entertainment industry; As there are no chronologies of the …
Token Economy Used To Increase Performance In Solving Algebra Problems For High School Students, Kari Mankes Maes
Token Economy Used To Increase Performance In Solving Algebra Problems For High School Students, Kari Mankes Maes
UNLV Retrospective Theses & Dissertations
The purpose of this investigation was to evaluate the effects of using a token economy approach to increase the performance in solving algebra homework quizzes for two high school boys. The program included tokens that could be redeemed for candy or extra credit points to encourage the students to try harder to check over their answers on homework quizzes before handing them in to be graded. Permanent product was used to record the scores of the homework quizzes and a comparison of baseline data and intervention data was done with a reversal design. The results showed that the students did …
Variation In Decorated Tusayan Gray Ware Pottery At The Yamashita-3 Site, Kristen D Martine
Variation In Decorated Tusayan Gray Ware Pottery At The Yamashita-3 Site, Kristen D Martine
UNLV Retrospective Theses & Dissertations
This thesis characterizes variability in sand-tempered decorated Tusayan Gray Ware pottery at the Yamashita-3 site in the lower Moapa Valley. Attributes included in this analysis reflect geologic source materials used to make pottery, and stylistic variables that mirror decisions made by individual potters. Evaluation of these characteristics will aid future researchers in identifying the degree to which manufacture of decorated Tusayan Gray Ware pottery was standardized in the Virgin region. The results of this analysis indicate that most characteristics of decorated Tusayan Gray Ware pottery display little variation, indicating that the manufacture of this pottery was standardized. Two aspects of …
Large-Scale Database Modeling: Developing Xml Schema, Zumreta Maslesa
Large-Scale Database Modeling: Developing Xml Schema, Zumreta Maslesa
UNLV Retrospective Theses & Dissertations
This thesis is concerned with the team efforts to develop a large database to track medical information. A large XML schema is developed from the Extended ER diagram to capture key and foreign key constraints. The strong types of XML schema were also used to assert patterns and domain constraints. These constraints will be used to aid the recognition of medical forms.
Investigation Of Clay Smear Formation In Laboratory-Prepared Layered Soil Specimens, Glen Edwin Maxwell
Investigation Of Clay Smear Formation In Laboratory-Prepared Layered Soil Specimens, Glen Edwin Maxwell
UNLV Retrospective Theses & Dissertations
The purpose of this study was to investigate the impact of layering geometry on the formation of clay smears in laboratory prepared soil specimens. Digitized video clips of specimen deformation under vertical shear were reviewed. New conventions and definitions were developed to describe and measure the onset of clay smear. Measurements for a variety of sample layering geometries were taken. Specimen geometry was compared with its respective smear development properties to derive general relationships; The study showed that as the sand thickness within a specimen increased, the required amount of vertical displacement and sand layer displacement prior to smear also …
Wwwprivacygov: A Constitutional And Legislative Review, Stephanie Ann Murphy
Wwwprivacygov: A Constitutional And Legislative Review, Stephanie Ann Murphy
UNLV Retrospective Theses & Dissertations
One of the most controversial and evolving rights recognized within recent years has been the right to privacy. During the twentieth century, the Supreme Court and the United States Congress recognized the existence of this right, although in limited aspects. In the twenty-first century, Americans' privacy rights have clashed with the evolution and the use of the Internet. Complications between a person's privacy and the information needed for national security interests arose. The following study examines the question of where the privacy of an individual in this new era ends and where government intrusion begins. Through a qualitative analysis, constitutional …
Anxiety As An Affective Factor For Adult Korean Students Learning English As A Second Language, Bokyung Murray
Anxiety As An Affective Factor For Adult Korean Students Learning English As A Second Language, Bokyung Murray
UNLV Retrospective Theses & Dissertations
The focus of this study was anxiety related to second language learning, and more specifically, to that of adult Korean students studying ESL; Three research questions were addressed: (a) Do adult Koreans learning ESL have a high degree of classroom anxiety? (b) If so, can this be attributed to some aspects of their cultural heritage or previous educational experience? (c) What concepts contained within sociocultural theory may serve to ameliorate this classroom reaction?;A total of 49 students studying ESL at a major southwest university participated in this study. A background questionnaire and the Foreign Language Classroom Anxiety Scale were used …
The Measurement Of Organizational Identification And Organizational Commitment Found Among The Membership Of Mary Kay Cosmetics, Philip Clark Oviatt
The Measurement Of Organizational Identification And Organizational Commitment Found Among The Membership Of Mary Kay Cosmetics, Philip Clark Oviatt
UNLV Retrospective Theses & Dissertations
The study reported here utilized two constructs; the Organizational Identification Questionnaire (OIQ) (Cheney 1983b) and the Organizational Commitment Questionnaire (OCQ) (Mowday, Porter, and Steers 1979), to determine if a positive correlation existed between them when applied to the Mary Kay Cosmetics Organization, a Direct Sales Marketing organization. The OIQ and the OCQ are two constructs that have been widely utilized to study the relationship between the employee and the organization. A review of literature illustrates, that although each concept offers a distinct meaning, when utilized as a construct they are synonymous. This study found that identification and commitment were strongly …
Defining Wedding Exhibitors And Their Wedding Exposition Return On Investment Practices, Tracee Lyn Nalewak
Defining Wedding Exhibitors And Their Wedding Exposition Return On Investment Practices, Tracee Lyn Nalewak
UNLV Retrospective Theses & Dissertations
This study is exploratory in nature. Data was collected from 201 wedding exhibitors within the United States via mailed self-administered questionnaires. The results of this study are used to create a standard wedding exhibitor profile including basic marketing activities, market positioning, and company demographics. It uncovers current wedding exhibitor return on investment (ROI) practices and identifies market mix positions before and after the show due to impacts these activities have on wedding show ROI.
A Noise Detection, Noise-Motion Separation And A Cancer Recognition Theory And Algorithm, Alexander Popovich
A Noise Detection, Noise-Motion Separation And A Cancer Recognition Theory And Algorithm, Alexander Popovich
UNLV Retrospective Theses & Dissertations
In this thesis we describe a noise detection and a motion-noise separation algorithm, as well as the stochastic properties of the noise. The difference between corresponding pixels subject to one type of noise, of two frames, has mean vector equal to (0,0,0), and variance covariance matrix with relatively small variances, for the (R, G, B) difference values. The other type of noise is a result of disturbance of the light equilibrium due to motion in neighboring or nearby pixels. In this type of noise the mean of the difference is non-zero. Every pixel not included in the one type of …
The Effect Of Mechanical Vibration On Acute Power Output In The Bench Press, Brach John Poston
The Effect Of Mechanical Vibration On Acute Power Output In The Bench Press, Brach John Poston
UNLV Retrospective Theses & Dissertations
The purpose of this study was to investigate the effect of mechanical vibration on acute power output in the bench press. A total of 10 male subjects performed 3 sets of 3 reps of bench presses using a load equal to 70% one repetition maximum (1RM) on two occasions separated by 3 days. One occasion served as the experimental (vibration) condition while the other occasion served as the control (non-vibration) condition. The conditions differed due to a 30 second vibration stimulation period between bench press sets 2 and 3 in the experimental condition. The control condition incorporated a 30 second …
An Alternative Approach To Measuring Consumer Discrimination In The Market For Baseball Cards, Adam Neil Rabinowitz
An Alternative Approach To Measuring Consumer Discrimination In The Market For Baseball Cards, Adam Neil Rabinowitz
UNLV Retrospective Theses & Dissertations
The effect of consumer racial discrimination in the market for baseball cards has previously been examined (Nardinelli and Simon, 1990; Andersen and La Croix, 1991; Gabriel, et al., 1995; Gabriel, et al., 1999; McGarrity, et al., 1999; and Fort and Gill, 2000). Significant differences in the model specification and data are found throughout the literature, resulting in very mixed findings. The following study attempts to improve on these specifications by replicating the existing work and adding important missing variables. I find specification matters and consumer discrimination exists in this market. In addition, auction data are used to explore an alternative …
United States Post Gulf-War Policy Toward Iraq: A Systemic Assessment, Amanda Christine Ringelberg
United States Post Gulf-War Policy Toward Iraq: A Systemic Assessment, Amanda Christine Ringelberg
UNLV Retrospective Theses & Dissertations
This thesis proposes that US policy is structurally flawed toward Iraq and the Middle East in general. This structural flaw in US policy-making is a result of ignoring the regional considerations of the Middle East as a subsystem. Current US strategy toward Iraq is doomed to fail because of the unique structural considerations in the Middle East and the failure of policy-makers to recognize them; The thesis begins with a theoretical examination of the Middle East subsystem, based on principles from international systems theory. Several patterns of regularity that define the subsystem are then outlined. An assessment of US goals …
Reading Anxiety's Effects On Incidental Vocabulary Acquisition: Are Culturally Relevant Texts Exempt?, Midena Maria Sas
Reading Anxiety's Effects On Incidental Vocabulary Acquisition: Are Culturally Relevant Texts Exempt?, Midena Maria Sas
UNLV Retrospective Theses & Dissertations
This study explored the relationships among reading anxiety, incidental vocabulary acquisition and culturally relevant texts. Thirty adult ESL students, 16 of Mexican origin and 14 of Chinese origin, completed modified forms of the Foreign Language Reading Anxiety Survey, vocabulary tests assessed on the Vocabulary Knowledge Scale, and an interview that solicited their opinions regarding reading anxiety remedies and the importance of cultural relevance in reaDing Results revealed a significant negative correlation between reading anxiety and performance on vocabulary tests, but not achievement, i.e. vocabulary gain. Out of six variables considered, reading anxiety was the primary predictor of performance, and cultural …
Gis For Source Water Assessment And Nonpoint Source Modeling In The Las Vegas Valley, Marcelo Reginato
Gis For Source Water Assessment And Nonpoint Source Modeling In The Las Vegas Valley, Marcelo Reginato
UNLV Retrospective Theses & Dissertations
This thesis develops a better understanding of issues related to surface water contamination and protection of drinking water sources in the Las Vegas Valley. A Geographic Information System (GIS) was used to identify source water protection zones and to estimate nonpoint source loads for the entire watershed; The extent of the source water protection zones is represented by the valley's dry weather flows. After source water protection zones were defined, field work and GIS defined the potential contaminant sources and land uses within the protection zones; The GIS nonpoint source model shows that roads account for approximately 25% of the …
Perceptions Of Quality: The Gap Model Meets Gatekeeping, Karen Renee Roybal
Perceptions Of Quality: The Gap Model Meets Gatekeeping, Karen Renee Roybal
UNLV Retrospective Theses & Dissertations
The main purpose of this study was to test an adaptation of the Service Quality Gap Model developed by Parasuraman, Zeithaml, and Berry in an atypical service industry---the media---in order to determine whether gaps exist between consumer perceptions of news quality and news directors' perceptions of news quality. Interviews were conducted with Las Vegas local television news directors. In addition, surveys were distributed to local news consumers. A case study approach of local Las Vegas Valley television stations was used to test whether gatekeeping plays a part in the news selection/decision process of what constitutes as "quality news.";The study consists …
Exploration Of The Nature Of The Work Done By United States Marshals Service Employees In The District Of Nevada, Michael Robin Schlaerth
Exploration Of The Nature Of The Work Done By United States Marshals Service Employees In The District Of Nevada, Michael Robin Schlaerth
UNLV Retrospective Theses & Dissertations
For the first time in its 212 year history, the United States Marshals Service created a position for employees specifically designated to assist district offices experiencing administrative and operational problems. This move was promoted by a recruiting session in April of 2001 which was designed entirely to train individuals for the job entitled GS-082. This move is the result of the agency's overall need for more labor. However, while these agents carry the title of "Deputy Marshal", they do not require the same intense training of the standard GS-1811 agents, as their duties do not demand it. Employees in the …
Investigation Of Charge-Transport Models For Organic Light-Emitting Devices, Richard Simon Schofield
Investigation Of Charge-Transport Models For Organic Light-Emitting Devices, Richard Simon Schofield
UNLV Retrospective Theses & Dissertations
Organic light emitting devices (OLEDs) show promise for use in the display industry, particularly as the active display portion of flat panel televisions and monitors. Unfortunately important material fundamentals of these organics are not well understood, like charge transport, charge injection and exciton formation/relaxation. It is therefore useful to attempt to understand the behavior of these materials in the physical state that they will be used in: thin films. There have been two models proposed to explain charge transport in these materials and it is the purpose of this work to examine them using a group of similar materials. These …