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Articles 15391 - 15420 of 16435
Full-Text Articles in Entire DC Network
Self-Management Of Chronic Pain By Patients With Arthritis, Joan K Rogers
Self-Management Of Chronic Pain By Patients With Arthritis, Joan K Rogers
UNLV Retrospective Theses & Dissertations
The insistent presence of pain for the millions of persons with rheumatoid arthritis and osteoarthritis can drastically reduce an individual's quality of life. Self-management approaches for arthritis pain relief are being emphasized and individuals needs a medley of pain management methods to select from to help manage arthritis pain; The Pain Management Inventory (PMI) was used in a descriptive design with a convenience sample (n = 91) to identify pain management methods individuals with arthritis use and find helpful. Exercising was the method used by the largest number of respondents and was also perceived as most helpful. The methods used …
Characterization Of P-Type Silicon Semiconductor Detectors For Use In In Vivo Dosimetry, Kamran Ul Haq
Characterization Of P-Type Silicon Semiconductor Detectors For Use In In Vivo Dosimetry, Kamran Ul Haq
UNLV Retrospective Theses & Dissertations
The response of a p-type diode detector for use in patient dose monitoring in photon and electron fields was evaluated for a number of commonly-encountered clinical parameters. Effects of energy, field size, source-to-surface distance, presence of beam modifiers, beam orientation, and temperature were investigated. Shielding effects and batch variations were also examined. In most cases, diode performance was in good agreement with manufacturer's specifications and/or the results of others using similar detectors. Variations in excess of +/-12 % were observed in high-energy wedged fields over the source-to-surface distances investigated. Reductions in local dose directly behind the diode due to electron …
Pathways To Family Preservation Services, Rebecca Ann Carman
Pathways To Family Preservation Services, Rebecca Ann Carman
UNLV Retrospective Theses & Dissertations
The study examines the socio-demographics of families participating in Las Vegas, Nevada's Intensive Family Preservation Program, the crisis precipitators that these families experience, and the services that were directed at the identified crisis precipitators. A qualitative research design was utilized in the analysis of 15 case files. Majority of the families experienced the following crisis precipitators: problems in parenting, children's behavioral and emotional problems, financial problems, substance abuse, and parent's emotional problems. The data suggested that family preservation workers are providing services to address the identified precipitators. The conclusions of this study indicate that intensive family preservation programs could be …
The Performers Alliance: Conflict And Change Within The Screen Actors Guild, Arthur Thomas Lynch
The Performers Alliance: Conflict And Change Within The Screen Actors Guild, Arthur Thomas Lynch
UNLV Retrospective Theses & Dissertations
This paper takes an historical critical research perspective on rapid change within one of the highest profile unions in the world, the Screen Actors Guild and in particular the emergence of a political force that identified itself as The Performers Alliance. The author was a member of the National Board of Directors of the Screen Actors Guild; Parallels were found in the development of SAG through various stages of its history. Rhetorical analysis sheds light on the development of the Guild as a social movement and of The Performers Alliance as a dissident movement within the union itself. An argument …
United States Population Policies And Environmental Ethics: Addressing Population Growth From The Biocentric Perspective, Philip Davis Macwilliams
United States Population Policies And Environmental Ethics: Addressing Population Growth From The Biocentric Perspective, Philip Davis Macwilliams
UNLV Retrospective Theses & Dissertations
When the environmental movement began to surge in the 1960s, concerns were raised over the prospects of the U.S. population growing to an unsustainable level and causing irreparable harm to the environment and our quality of life. Unfortunately, population growth has not been given the priority it deserves not because it is not an important issue, but because of our failure to view population growth, and all environmental issues, from a biocentric outlook. It is this paradigm shift towards biocentrism that we as moral agents should be making and which will subsequently cause us to view population growth in a …
A Comparative Analysis Of Indonesian And Philippino Contraceptive Determinants And Use, Emily Dora Norman
A Comparative Analysis Of Indonesian And Philippino Contraceptive Determinants And Use, Emily Dora Norman
UNLV Retrospective Theses & Dissertations
This exploratory study investigates the contraceptive determinants affecting the variation behind different contraceptive use patterns in Indonesia and the Philippines. I analyze how much effect various determinants have on use patterns and whether these same determinants are relevant to a similar degree in both countries. Several demographic studies have indicated that while education and other socio-economic; variables play a large role in contraceptive use, other factors are pertinent as well. Physical access in terms of distance to a facility or ease in reaching it is one concept. In addition, informational access via availability of mass media and the related function …
The Removal Of Perchlorate From Waters Using Ion-Exchange Resins, Adriano Rosa Vieira
The Removal Of Perchlorate From Waters Using Ion-Exchange Resins, Adriano Rosa Vieira
UNLV Retrospective Theses & Dissertations
This thesis investigates the feasibility of using several types of ion-exchange resins to remove perchlorate from waters. The capability of the resins to remove perchlorate, as well as their regeneration efficiency, were evaluated using both synthetic solutions and perchlorate-contaminated water from the Las Vegas Valley. For synthetic solutions, styrenic strong base resins showed high perchlorate removal efficiency but regeneration efficiency was low. Acrylic strong-base resins showed satisfactory perchlorate removal, but they regenerate better than the styrenic counterpart. Acrylic weak base resin showed satisfactory perchlorate removal efficiency and very high regeneration efficiency when regenerated with NaCl or caustic solutions. High concentrations …
Noah Webster Spelled Out, Barbara Youngblood
Noah Webster Spelled Out, Barbara Youngblood
UNLV Retrospective Theses & Dissertations
My research of Noah Webster, his moral beliefs, his religious conversion, his political persuasions, and his voluminous writings, has indisputably revealed that Webster intended to shape the entire American nation through his writings and through its public education system. Relying primarily on Webster's early works and his dictionary (1828), I discovered his strong convictions against slavery, his promotion of formal education for women, his moral biases, his political character, and his ardent support for an independent American republic; The thesis that evolved is developed in five chapters beginning with a characterization of Webster in Chapter One, describing his profound patriotism …
The Relationship Between The Health-Promoting Practices Of Advanced Practice Nurses And Their Counseling Of Patients, Wanda Marie Boyer
The Relationship Between The Health-Promoting Practices Of Advanced Practice Nurses And Their Counseling Of Patients, Wanda Marie Boyer
UNLV Retrospective Theses & Dissertations
Among healthcare professionals, there is little research on health promotion and health-promoting practices, particularly advanced practice nurses (APN's) The literature also reveals a paucity of research on the counseling practices of APN's. The purpose of this descriptive, correlational study was to examine the relationships between selected variables, derived from Pender's revised Health Promotion Model (1996), and the degree to which they explain advanced practice nurses' current practice of health-promoting behaviors from a random sample of APN's (N = 357). The random sample was obtained from the American Academy of Nurse Practitioners. The study also described the relationship between these behaviors …
The Phenomenal Meaning Of Romantic Love, Howard Roden Giles
The Phenomenal Meaning Of Romantic Love, Howard Roden Giles
UNLV Retrospective Theses & Dissertations
The phenomenal meaning of romantic love is sought, using the descriptions of co-researchers. A brief discussion of the theoretical underpinnings of phenomenology is provided, and the methods of phenomenological psychology are outlined. The specific methods for arriving at the phenomenal meaning of romantic love are chosen. Six coresearchers were interviewed to elucidate lived-experiences they had with romantic Love The interviews were transcribed into six protocols. The six protocols are phenomenologically reduced into meaning units and their essences. The essences are presented within the context of the protocols. Twenty essential structures are presented in five meaningful groups, including Descriptions, Events, Temporal …
A Comparison Of Ground Reaction Forces During Running And Form Skipping, Samuel Thomas Johnson
A Comparison Of Ground Reaction Forces During Running And Form Skipping, Samuel Thomas Johnson
UNLV Retrospective Theses & Dissertations
Following lower extremity injury an athlete may be able to walk within days, however they may not be capable of running for weeks or even months. During this time, the athletic trainer provides the athlete with progressions to running. One activity that has been used successfully in this progression is the form skip. It remains unknown why the athlete is capable of successfully performing the form skip before they can run; The purpose of this study was to investigate the ground reaction forces (GRF) during form skipping and running. Healthy subjects (N = 9) ran and skipped across the force …
The Effects Of Level Of Training On Employee Perceived Empowerment, Commitment And Job Performance, Pamela Dawn Backeberg
The Effects Of Level Of Training On Employee Perceived Empowerment, Commitment And Job Performance, Pamela Dawn Backeberg
UNLV Retrospective Theses & Dissertations
Billions of dollars are spent yearly on employee training. Yet employers often find it difficult to measure whether the training has any real effect. Due to the vast resources allocated to training, it is important to fully understand its impact. The purpose of this study was to determine the effects of level of training on employees' perceived psychological empowerment, commitment, and resultant job performance within the hospitality industry. Data were collected from 158 Air Force employees working on one of two military bases in the areas of food service, lodging, recreation, fitness, linen exchange, and mortuary affairs. Specifically, this research …
Effects Of A 30-Minute Walk On Ground Reaction Forces During Walking With An External Load, Cheryl M Cardillo
Effects Of A 30-Minute Walk On Ground Reaction Forces During Walking With An External Load, Cheryl M Cardillo
UNLV Retrospective Theses & Dissertations
To investigate effects of a 30-minute walk on kinetics of walking with an external load, ten subjects performed five walking trials across a force platform for five conditions. Walking speed was 1.57m/s for all conditions. The first two conditions had subjects walk without (C1) and with (C2) backpack load. Subjects then walked on a treadmill at 1.57m/s for 30 minutes. At 10 minute intervals GRF data were collected. In comparing C1 and C2, dependent variables F1, F2, and Favg revealed increases of 10.45%, 13.68%, and 11.75% respectively (p < 0.01) indicating a mechanical response. No effect for time was observed for any variable tested. Therefore, the null hypothesis that load does not have an effect on vertical GRF was rejected. The null hypothesis that time does not have an effect on vertical GRF was not rejected. Overall, forces were elevated during load carrying, which may result in added stress on anatomical structures.
Modeling The Diffusion Of Reactive And Nonreactive Solutes In Cores From The Cannikin Test Site, Amchitka Island, Alaska, Nicole Ann Brown
Modeling The Diffusion Of Reactive And Nonreactive Solutes In Cores From The Cannikin Test Site, Amchitka Island, Alaska, Nicole Ann Brown
UNLV Retrospective Theses & Dissertations
The migration and distribution of contaminants in the subsurface environment are controlled by groundwater movement and the extent of interaction between the contaminants and surrounding rock matrix. Studies have shown that diffusion through the rock matrix may serve as a prominent contaminant retardation mechanism in crystalline igneous rocks; The diffusion of reactive and nonreactive solutes through basalt and breccia cores from the Cannikin Test Site, Amchitka Island, Alaska has been studied. Lead (Pb(II)) and cesium (Cs(I)) were chosen as reactive solutes and bromide (Br-) was chosen as the nonreactive solute. Because retardation due to sorption is expected to affect the …
A Study Of The Effect Of Computer/Internet Usage On Slot/Video Machine Players' Gambling Behaviors, Howook (Sean) Chang
A Study Of The Effect Of Computer/Internet Usage On Slot/Video Machine Players' Gambling Behaviors, Howook (Sean) Chang
UNLV Retrospective Theses & Dissertations
The Age of Information has changed the way we live since personal computers outsold TV sets, and the number of emails exceeded the number of regular stamped letters. For the last decade, the Las Vegas gaming market has changed toward not only the lavish gambling field that houses computerized slot/video machines and high speed Internet ready hotel rooms, but also a family entertainment resort and a major convention destination. These facts raised the question of how many computer/Internet literate gamblers are in Las Vegas, and whether it would influence on their slot/video machine gambling behaviors. This study found that 70% …
Factors That Influence Why Elderly Receive Influenza Immunizations, Lynn Marie Ferebee
Factors That Influence Why Elderly Receive Influenza Immunizations, Lynn Marie Ferebee
UNLV Retrospective Theses & Dissertations
The purpose of this study was to determine what variables influence elderly persons to obtain the recommended annual influenza immunization. The Health Belief Model provided the hypotheses that were tested in the comparative descriptive design study. The convenience sample (N = 339) consisted of two groups: those who received the influenza vaccination (n = 267) and those who did not receive the vaccination (n = 72). The questionnaire was designed from the Health Belief Model for influenza immunization. The five predictor variables: susceptibility, perceived severity and threat, perceived benefits and barriers, were significantly related to the outcome of receiving influenza …
Motivation And Negative Discretionary Effort Among Casino Slot Floor-Persons, Christian St. Claire Hale
Motivation And Negative Discretionary Effort Among Casino Slot Floor-Persons, Christian St. Claire Hale
UNLV Retrospective Theses & Dissertations
This study conducted an analysis of the working environment of casino slot floor-persons in four Las Vegas casinos. The floor-persons were asked to rank a selection of ten variables that may be important to their motivation and satisfaction at work. Their immediate supervisors were also surveyed to see whether they could correctly predict the job attributes the floor-persons considered most important. A review of general motivational theories, and operational specifics for the position of slot floor-person are presented; The results of the survey were compared with the results of similar studies on casino table games dealers, hospitality employees, and general …
Fear As A Predictor Of Firearm Ownership And Concealed Weapons Permits In Clark County, Nevada, Becky Beckstead Harris
Fear As A Predictor Of Firearm Ownership And Concealed Weapons Permits In Clark County, Nevada, Becky Beckstead Harris
UNLV Retrospective Theses & Dissertations
This study is specific to Clark County, Nevada. Two relationships, the relationship between fear and gun possession [defined in terms of firearms registration] and the relationship between fear and the issuance of concealed weapons permits, were posited. Data for the number of registered firearms and issued concealed weapons permits were obtained from the Las Vegas Metropolitan Police Department Firearms Detail and CCW Detail. Criminal incidents involving firearms in public areas that appeared to be random in nature [stranger to stranger violence] were gathered through an archive search of Nevada's largest newspaper servicing Clark County, the Las Vegas Review-Journal; Statistical analysis …
The Gamma Distribution As An Alternative To The Lognormal Distribution In Environmental Applications, Ross Joseph Iaci
The Gamma Distribution As An Alternative To The Lognormal Distribution In Environmental Applications, Ross Joseph Iaci
UNLV Retrospective Theses & Dissertations
In environmental applications dealing with data from contaminated sites the positively skewed lognormal distribution has been the most commonly used model. The upper confidence limit (UCL) of the arithmetic mean of a lognormal population is computed by using the H-statistics. Recent concerns have arisen to the effectiveness of the H-Statistic based UCL for the mean of the lognormal distribution in instances of moderately to highly skewed data sets. In this paper the positively skewed Gamma distribution is considered as an alternative to the lognormal distribution and is shown to produce more reasonable UCL's for the mean.
Foliar Response Of Woody Ornamentals To Sprinkler Irrigation With Reuse Water, Lea Anne Guthrie Jordan
Foliar Response Of Woody Ornamentals To Sprinkler Irrigation With Reuse Water, Lea Anne Guthrie Jordan
UNLV Retrospective Theses & Dissertations
This experiment examined foliar damage associated with sprinkle irrigation of reuse water. Reuse water, municipal water and a synthesized saline water were applied via sprinkler irrigation to 20 ornamental tree species. A visual damage index was created based on canopy and leaf level characteristics to assess damage. The index rated species tolerance to reuse water applied directly to the foliage. After 15 months of treatment, most species had higher index values (greater stress) when sprinkle irrigated with reuse or saline water. Six species even showed significant damage when spray irrigated with municipal water. Internal normalized tissue Na concentration (reuse-municipal) was …
Oncology Nurses' Perceived Knowledge, Assessment, And Recommendation Of Alternative Therapies, Gudrun Kristofersdottir
Oncology Nurses' Perceived Knowledge, Assessment, And Recommendation Of Alternative Therapies, Gudrun Kristofersdottir
UNLV Retrospective Theses & Dissertations
Cancer patients use alternative therapies (ATs) frequently and often without the knowledge of their health care providers. The purpose of this study was to investigate oncology nurses' perceived knowledge of ATs, their level of assessment of the use of ATs by cancer patients, and what ATs they recommend to patients. The framework used to guide this study is the Neuman System Model. A descriptive survey design using a questionnaire listing 24 ATs was used to survey a random sample of nurses certified by the Oncology Nurses Certification Corporation in the Western region of the U.S. Results of the survey (n …
Selection Of Exercise Intensity Using Perceptual Cues During Television Distraction, Wendee Ellen Kukuwich
Selection Of Exercise Intensity Using Perceptual Cues During Television Distraction, Wendee Ellen Kukuwich
UNLV Retrospective Theses & Dissertations
The selection of exercise intensity during television distraction was studied in 20 highly-fit males (VO2peak: 63.2 +/- 10.7 ml·kg -1·min-1) between the ages of 28 and 45 years. It was hypothesized that the perception of exercise intensity during cardiovascular exercise would be influenced by an environmental distraction, such as watching television (TV). A within-subjects design was used to compare heart rate (HR), stride frequency (SF), and MET level responses recorded during 15 minutes of exercise performed with and without distraction. Seventeen of the 20 subjects had a change in HR of greater than 5 bpm between conditions, with 9 subjects …
An Outcomes Study Of Diabetes Education, Tara Lynn Mcgill
An Outcomes Study Of Diabetes Education, Tara Lynn Mcgill
UNLV Retrospective Theses & Dissertations
The purpose of this study was to evaluate the effect of a twelve-hour diabetic education program on self-care behaviors and level of integration of diabetes in patients with type 1 & type 2 diabetes. Using the Theory of Integration (Hernandez, 1995) as the study's conceptual framework, an outcomes study was conducted. Thirty-five questionnaires were distributed to subjects at the initial class of the diabetes education program, with 22 being able to be utilized for analysis; The results of this study showed that there was a significant increase in the level of integration of diabetes (t(21) = 2.998, p < .005). When individual statements of integration were assessed, three areas were found to have a significant increase. These included, understanding how diabetes affects one's body by living with diabetes (t(21) = 2.890, p < .005), being aware of bodily cues that distinguish blood glucose levels (t(21) = 2.822, p < .005), and knowing more about taking care of one's diabetes more than anyone (t(21) = 3.044, p < .005); Analysis of individual statements of self-care behavior included significant changes in eating the foods according to a diabetes meal plan (t(22) = 2.802, p < .005), eating snacks at the right time of day (t(21) = 3.049, p < .005), knowing how to treat a hypoglycemic reaction (t(22) 3.323, p < .005) and carrying a sugar source to treat those hypoglycemic reactions (t(22) = 3.045, p < .005). Significant increases were also noted in the logging of blood glucose results (t(22) = 3.239, p < .005), and in obtaining the amount of exercise needed for diabetes (t(22) = 3.023, p < .005). This study is an important initial evaluation of the effects of a diabetes education program on diabetes patients' selfcare behaviors and level of integration.
The Removal Of Perchlorate From Waters By A Membrane-Immobilized Biofilm, Jian Liu
The Removal Of Perchlorate From Waters By A Membrane-Immobilized Biofilm, Jian Liu
UNLV Retrospective Theses & Dissertations
This thesis investigated the feasibility of using a membrane-immobilized biofilm reactor to remove perchlorate from waters. Perchlorate (ClO4 -) is easily reduced under anaerobic conditions to harmless chloride (Cl-). In this system, the perchlorate-contaminated water is physically separated from the biofilm by the membrane. Perchlorate diffuses, without the need of external energy, to the degrading biofilm, thereby minimizing the contamination of the product water by microbes. A mixed microbial culture capable biologically of reducing perchlorate was enriched and attached to the membrane surface. The results demonstrated the feasibility of using a membrane-immobilized biofilm reactor to remove perchlorate from waters. In …
Determination Of Chlorine By Fluorescence Quenching, Yixin Wei
Determination Of Chlorine By Fluorescence Quenching, Yixin Wei
UNLV Retrospective Theses & Dissertations
Chlorine is used extensively in the chemical industry and for disinfection of drinking water. Many methods have been reported for the determination of chlorine species. Fluorescence quenching to determine chlorine is a promising method because of its high sensitivity and selectivity. This study focuses on development of a sulfonamide-based collection system for low levels of chlorine in air. Quantitation of chlorine is based on the quenching of the fluorescence signal observed when chlorine reacts with the fluorescent sulfonamide compound. Both a direct fluorimetric and a fluorescence-HPLC method have been established. Linear relationships are found between the fluorescence intensity or HPLC …
Physiological Effects Of Progressive Relaxation In Trained Runners During Submaximal Treadmill Exercise, Thomas James Westendorf
Physiological Effects Of Progressive Relaxation In Trained Runners During Submaximal Treadmill Exercise, Thomas James Westendorf
UNLV Retrospective Theses & Dissertations
To determine the physiological effects of a one-week progressive relaxation protocol on exercise efficiency, five trained, male runners volunteered to participate in this study. The results of this study show that it is possible to reduce heart rate during progressive relaxation at rest, after one week of training. In addition, the results of this study indicate that although there was a significant reduction in minute ventilation during exercise, VO 2 did not change. These results suggests that there was no carry-over effect while exercising, therefore one week of progressive relaxation may not be long enough or an effective technique to …
The Contribution Of Construction Materials To The Airborne Radon Concentrations In An Underground Facility, Robert Arthur Brounstein
The Contribution Of Construction Materials To The Airborne Radon Concentrations In An Underground Facility, Robert Arthur Brounstein
UNLV Retrospective Theses & Dissertations
The radon concentrations within fiber crete and the native material from the U1a Complex at the Nevada Tests Site, Nye County, Nevada, were quantified and compared to each other. Gamma spectroscopy measurements resulted in an average 222Rn concentration to be 0.038 +/- 0.0011 and 0.014 +/- 0.001 Bq g-1 for the native material and fiber crete, respectively. The emanation of 222Rn from the host material was measured via lucas cell scintillation. The average emanation coefficients were significantly higher for the cured fiber crete at 0.07 than for the native material at 0.005. While the cured fiber crete emanation coefficients matched …
Assessment Of Predictors Of Health Behaviors Of Elders In Frontier Nevada, Pauline Bradshaw
Assessment Of Predictors Of Health Behaviors Of Elders In Frontier Nevada, Pauline Bradshaw
UNLV Retrospective Theses & Dissertations
The purpose of this descriptive correlational study was to investigate health-promoting lifestyle practices and correlate these to self identified factors that may limit health promotion activity of frontier rural elders living in Nevada. Pender's Health Promotion Model provided the theoretical framework for this study. The sample included 114 participants that were aged 65 and older from locations in Nevada counties that qualify as frontier (population less than 6/square mile). Participants completed a two part self-administered questionnaire, the Health-Promotion Lifestyle Profile II (HPLP II) and the revised Elderly Health Care Needs Questionnaire (EHCNQ). Findings support the research hypothesis that cognitive-perceptual and …
The Effectiveness Of Functional Family Therapy In Substance-Involved Family Preservation Clients, Andrew D Butcher
The Effectiveness Of Functional Family Therapy In Substance-Involved Family Preservation Clients, Andrew D Butcher
UNLV Retrospective Theses & Dissertations
Abuse and neglect of children has been a recognized problem in America for many years. Recent developments in the child welfare system have introduced intensive, family-based services, otherwise known as family preservation services. The aim is to preserve the family and provide reasonable efforts to avoid out of home placement. State and private family preservation programs across the country have been faced with the challenge of evaluating program effectiveness and to better meet the needs of client populations by enhancing treatment models and programs; The Nevada State Division of Child and Family Services (DCFS) has utilized valuable resources to evaluate …
Housing Location Decision Under Environmental Risk: The Effects Of The Yucca Mountain Waste Repository, Christine Noel Dwyer
Housing Location Decision Under Environmental Risk: The Effects Of The Yucca Mountain Waste Repository, Christine Noel Dwyer
UNLV Retrospective Theses & Dissertations
Yucca Mountain is the site of a potential high-level nuclear waste repository in Nevada. The risks to health and safety of transporting and storing nuclear waste at Yucca Mountain may induce the residents of Nevada to move. When offered compensation, residents will weigh potential negative effects to their health from transporting and storing nuclear waste at Yucca Mountain against the amount of money offered. The presence of a threshold value between the bid amount offered and the level of risk perception indicates that at some level of risk, people cannot be induced to stay by compensation. My models indicate that …