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2001

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An Investigation And Analysis Of The Hispanic Students' Nationwide School Dropout Rates And The Difference Between Those Who Complete Their High School Diploma And Those Who Dropout, Maria Olivia Egemba Jan 2001

An Investigation And Analysis Of The Hispanic Students' Nationwide School Dropout Rates And The Difference Between Those Who Complete Their High School Diploma And Those Who Dropout, Maria Olivia Egemba

UNLV Retrospective Theses & Dissertations

As the United States embarks on the twenty-first century, anxiety continues about the American educational system. The dropout crisis in the United States and particularly among the Hispanic students is a matter of serious concern for parents, educators, politicians, and the general public. Due to the rapid technological advances, staying in school and graduating is crucial for preparing a skilled, knowledgeable, and flexible work force needed by America to compete in the global economy. Hispanic students are the largest-growing sector of the population and have the highest dropout rate of any major segment of the U.S. population (Hispanic Dropout Project, …

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Instructional Differentiation In General Education And The Gifted Resource Room: Teacher And Student Perceptions, Mary Trombatore Greene Jan 2001

Instructional Differentiation In General Education And The Gifted Resource Room: Teacher And Student Perceptions, Mary Trombatore Greene

UNLV Retrospective Theses & Dissertations

This study compared the perceptions of three groups concerning differentiated educational opportunities provided for students with gifts and talents. The perceptions of general education teachers, gifted resource room teachers, and students with gifts and talents were collected using a questionnaire that encompassed questions focused on cognitive, interpersonal, and intrapersonal skill development; Results indicated that gifted resource room teachers and general education classroom teachers perceived that they provided differentiated instruction more often in the cognitive and interpersonal domains than in the intrapersonal domain. The most frequent differentiated instructional practices used by teachers (general education and gifted resource room) were in the …

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A Comparative Study Of Funding Mechanisms For Community Colleges In The State Of Nevada And Selected States, Christopher Pat Kelly Jan 2001

A Comparative Study Of Funding Mechanisms For Community Colleges In The State Of Nevada And Selected States, Christopher Pat Kelly

UNLV Retrospective Theses & Dissertations

The purpose of this dissertation was to compare the mechanism utilized by the State of Nevada to fund its community colleges with the models used by other selected states to fund their two-year institutions. The comparison states that were chosen represented peer institutions of Nevada community colleges or systems held in high regard by the American Association of Community Colleges; These selected states, as well as Nevada, face difficult fiscal challenges funding their two-year colleges. Not only is there increasing competition for limited state resources, but virtually all of the states are projecting budget shortfalls due to the slowing economy; …

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Television As A Medium To College Students' Predispositions: Portrayals Of Professors And Their Profession, Mona Millicent Lauber Jan 2001

Television As A Medium To College Students' Predispositions: Portrayals Of Professors And Their Profession, Mona Millicent Lauber

UNLV Retrospective Theses & Dissertations

Students bring preconceived beliefs and attitudes to their initial college experience. These predispositions influence their communication and interaction with faculty and others in the higher education environment. Previous research identified family, school, and peers as sources that contribute to the formation of students' predispositions. This study was designed to explore television as a fourth medium to college students' predispositions; Drawing from the perspectives of social cognitive theory and cultivation theory, portrayals of professors were analyzed in 15 episodes across three television programs. The content analysis employed both quantitative and qualitative techniques. Personality categories for the quantitative portion were adapted from …

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A Study Of Allied Health Care Entry -Level Employee Workplace Basic Skills And Competencies, Mildred Arroyo Mcclain Jan 2001

A Study Of Allied Health Care Entry -Level Employee Workplace Basic Skills And Competencies, Mildred Arroyo Mcclain

UNLV Retrospective Theses & Dissertations

This study utilized quantitative research methodologies to investigate the perceptions of Nevada allied health care providers regarding the importance of the workplace basic skills and competencies identified by the United States Department of Labor Secretary's Commission on Achieving Necessary Skills (SCANS,1991). Since it was assumed that employers possess direct knowledge of their employees' work skills, a questionnaire was developed and distributed to allied health care department supervisors in all of the identified hospitals within the state of Nevada; A primary purpose of this study was to determine the extent to which allied health care providers in Nevada considered each of …

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Student Search And Seizure Since Tlo, Darryl Craig Wyatt Jan 2001

Student Search And Seizure Since Tlo, Darryl Craig Wyatt

UNLV Retrospective Theses & Dissertations

When students in public schools are searched or seized by school officials for any reason, it can sometimes be a violation of the their Fourth Amendment right to be free from unreasonable searches and seizures. Two United States Supreme Court decisions---New Jersey v. T.L.O., 469 U.S. 325 (1985), and Vernonia v. Acton, 515 U.S. 646 (1995), have addressed student searches. T.L.O. dealt with the search of a student's purse after she was caught breaking a school rule, smoking in the bathroom. Vernonia established ground rules for dealing with drug-testing policies in the school environment. In both cases the Supreme Court …

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Muscle Performance During Slow Isokinetic Speeds, Jonathan Michael Kwantes Jan 2001

Muscle Performance During Slow Isokinetic Speeds, Jonathan Michael Kwantes

UNLV Retrospective Theses & Dissertations

The purpose of this study was to investigate the possible mechanism responsible for the decrease in force during the 5°/sec velocity compared to the isometric velocity. Subjects (n = 9) completed MVC knee extension exercises during eccentric speeds of 5, 10, and 15°/sec, as well as isometric contractions. Extensor force and average EMG (aEMG) of the vastus lateralis (VL) and biceps femoris (BF) were quantified at knee angles of 55° and 65°. Six ANOVA (alpha = 0.05) tests determined a decrease in FT (p < 0.05) at both knee angles and a decrease in VL aEMG (p < 0.05) at 55° during 5°/sec condition compared to the isometric condition. No change in BF aEMG was observed across speeds (p > 0.05). It was concluded that there is a controlling mechanism which is neurological in nature which …

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Anomaly Detection In Hyperspectral Signatures Using Automated Derivative Spectroscopy Methods, Srilatha Panchanathan Jan 2001

Anomaly Detection In Hyperspectral Signatures Using Automated Derivative Spectroscopy Methods, Srilatha Panchanathan

UNLV Retrospective Theses & Dissertations

The goal of this research was to detect anomalies in remotely sensed Hyperspectral images using automated derivative based methods. A database of Hyperspectral signatures was used that had simulated additive Gaussian anomalies that modeled a weakly concentrated aerosol in several spectral bands. The automated pattern detection system was carried out in four steps. They were: (1) feature extraction, (2) feature reduction through linear discriminant analysis, (3) performance characterization through receiver operating characteristic curves, and (4) signature classification using nearest mean and maximum likelihood classifiers. The Hyperspectral database contained signatures with various anomaly concentrations ranging from weakly present to moderately present …

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Parent Pathology And Family Environment As Correlates Of Child Separation Anxiety Disorder, Courtney Ryan Pursell Jan 2001

Parent Pathology And Family Environment As Correlates Of Child Separation Anxiety Disorder, Courtney Ryan Pursell

UNLV Retrospective Theses & Dissertations

Forty-four families whose children were tested for Separation Anxiety Disorder three years ago were again contacted for a follow-up study focusing on stability of the diagnosis over time and the associative characteristics of parent pathology and aspects of their family environment. Children were diagnosed with either no symptoms of separation anxiety, subclinical symptoms of separation anxiety (1 or 2 symptoms), or clinical Separation Anxiety Disorder (3 or more symptoms). Parent pathology focused on depression, obsessive/compulsive, phobic anxiety, and somatization. Family environment examined parental control and level of expression in the family. Current levels of parental pathology were found to be …

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The Experience Of Successful Smoking Cessation: A Phenomenological Inquiry, Gail Ann Rattigan Jan 2001

The Experience Of Successful Smoking Cessation: A Phenomenological Inquiry, Gail Ann Rattigan

UNLV Retrospective Theses & Dissertations

Cigarette smoking is a significant public health issue and despite efforts, prevalence of smoking has not decreased in accordance with national goals. This study utilized a phenomenological approach to describe women's experience of successful smoking cessation. Pender's Health Promotion Model (1996) and Prochaska and DiClementes' Transtheoretical Model of Change (1996) were utilized. Twelve women who had successfully quit smoking were interviewed; Data analysis yielded a core theme of transformation to non-smoker. Sub-themes included motivational factors of image conflict and cues for action. Other themes included barriers to cessation and coping mechanisms. Interpersonal factors and unconditional resolve were influential. Activity-related affect …

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Motivations Of Elders Who Volunteer With Youth In Intergenerational Programs, Christine Alberta Stergios Jan 2001

Motivations Of Elders Who Volunteer With Youth In Intergenerational Programs, Christine Alberta Stergios

UNLV Retrospective Theses & Dissertations

Intergenerational programs have been found to benefit both the youths and elders who participate in them. Successful programs that serve youth are dependent on obtaining sufficient older adult volunteers. However, program directors report a shortage of older volunteers, despite various recruitment methods. Understanding the motivations of older adults who volunteer for intergenerational programs may help recruiters more effectively secure additional elderly volunteers, and provide optimal volunteer experiences. Qualitative methods were used to study nineteen elderly volunteers who provide service to youth programs or projects. Results found that these elders wanted to contribute to the lives of youth, feel connected to …

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"Holy Dwarves" And "Devil Babies": An Anthropological World-Survey Of Stigmatization Of The Disabled, Tommi Louise White Jan 2001

"Holy Dwarves" And "Devil Babies": An Anthropological World-Survey Of Stigmatization Of The Disabled, Tommi Louise White

UNLV Retrospective Theses & Dissertations

Disability exists as a human universal based upon conceptual categorizations. Positive and negative forms of stigmatization exist cross-culturally, and are examined in a world-survey format in terms of emic socio-cultural level, subsistence economy, and religion. I suggest that responses to disability are cultural specific, and that these individualized responses are filtered through cultural perceptions of reality and transformed into various treatment strategies of care, euthanasia, and abandonment, in addition to common discriminatory customs, such as limitations on marriage eligibility.

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Transport Of Perchlorate In The Las Vegas Wash And Lake Mead, Manjula Roshan Boralessa Jan 2001

Transport Of Perchlorate In The Las Vegas Wash And Lake Mead, Manjula Roshan Boralessa

UNLV Retrospective Theses & Dissertations

This thesis investigates the fate of perchlorate in the Las Vegas Wash and Lake Mead resulting from the long-term contamination by the manufacturing of rocket fuels in Henderson, Nevada. The changes in perchlorate concentrations for the Las Vegas Wash and Lake Mead were investigated for the last 10 years by analyzing frozen water samples. An attempt was made to model the transport of perchlorate along the Wash, and to observe the transport and mixing of perchlorate within the Lake. Statistical analyses were performed to observe seasonal variations in perchlorate levels within the epilimnion, metalimnion and hypolimnion layers of the Lake, …

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A Comparison Of The Functional Efficacy Of Osteoarthritic Knee Joints Following Viscosupplementation Treatment, Stephanie Beasley Buford Jan 2001

A Comparison Of The Functional Efficacy Of Osteoarthritic Knee Joints Following Viscosupplementation Treatment, Stephanie Beasley Buford

UNLV Retrospective Theses & Dissertations

The purpose of this study was to compare two viscosupplementation products, Hyalgan and Synvisc, that may be used to treat osteoarthritis (OA) of the knee. Hyalgan and Synvisc, have both been studied extensively against NSAIDS and placebos and have both yielded significantly greater improvements in reducing the symptoms associated with OA. Forty-one patients diagnosed with OA of the knee volunteered to participate in this study. Each patient received the standard protocol of lateral injections with extended knee of 2 ml of either Hyalgan or Synvisc using a 20 gauge needle. Product efficacy and functional outcome were assessed using the Western …

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Exploring Family Values, Jaime Lynn Carr Jan 2001

Exploring Family Values, Jaime Lynn Carr

UNLV Retrospective Theses & Dissertations

This exploratory study sought to develop an empirically based scale to measure family values (Family Values Scale), and to then begin to establish the validity of this instrument. This scale consists of two major subscales, Family Priority and Traditionality. Results indicate that these two subscales have acceptable internal consistency and temporal stability. Subject were students from the University of Nevada, Las Vegas (N = 380). Scores on the Family Values Scale were compared to scales measuring social desirability, selfism, satisfaction with life, perceived stress, social support, and psychological symptomotology. Results indicated that the Family Priority subscale is significantly related to …

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Testing The Potential Of System Dynamics Models For Improving Public Participation In Resource Management, Sarah Williams Cloud Jan 2001

Testing The Potential Of System Dynamics Models For Improving Public Participation In Resource Management, Sarah Williams Cloud

UNLV Retrospective Theses & Dissertations

This thesis describes and discusses research which proposes that a system dynamics based-workshop can promote meaningful public participation in the resource management decision making process. The research tested the effectiveness of a system dynamics computer model for: (1) improving communication about technical data and stakeholder views; (2) increasing learning and insight into resource management issues; and (3) enhancing public trust in the decision making process. Seven research workshops were conducted to test the effectiveness of the model-based workshop for facilitating public participation in the management of the Las Vegas, NV water system. Workshop analysis showed that the system dynamics-based approach …

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Job Characteristics And Self-Efficacy As Predictors Of Organizational Commitment, Min Fang Jan 2001

Job Characteristics And Self-Efficacy As Predictors Of Organizational Commitment, Min Fang

UNLV Retrospective Theses & Dissertations

Employee turnover could be ameliorated by controlling the antecedents of organizational commitment. The purpose of this study is to examine how job characteristics (skill variety, task identity, task significance, autonomy, self-efficacy and overall job characteristics) and self-efficacy may independently and interactively influence organizational commitment. Specifically, different combinations of job characteristics and self-efficacy are proposed to have different effects on organizational commitment. Data were collected from 177 hospitality employees at four hospitality companies. Predictive effects were found between job characteristics (overall and two of the dimensions) and organizational commitment. The hypothesized directional outcomes of the interaction of job characteristics and self-efficacy …

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Determination Of Static Contraction Times To Exhaustion For Given Percentages Of A 1 Rm In The Bench Press, Leg Press, And Pulldown Exercises, Jeremy C Fransen Jan 2001

Determination Of Static Contraction Times To Exhaustion For Given Percentages Of A 1 Rm In The Bench Press, Leg Press, And Pulldown Exercises, Jeremy C Fransen

UNLV Retrospective Theses & Dissertations

The purpose of this study was to determine the time to exhaustion based on percentages of the 1 RM in the bench press, leg press, and pulldown exercises. Eleven healthy males, age 27.7 +/- 5.5 years, volunteered for the study to compare the strength differences between their maximum isotonic strength and isometric strength (a static contraction hold) in the pulldown, bench press, and leg press exercises. Five randomized static contractions sets were performed 5 cm below the lockout position in the bench press and leg press exercises. The static contraction position for the pulldown was when the forearm was at …

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Determinants Of The Earnings Gap Between Blacks And Whites: A Human Capital Approach, James Michael Goldenberg Jan 2001

Determinants Of The Earnings Gap Between Blacks And Whites: A Human Capital Approach, James Michael Goldenberg

UNLV Retrospective Theses & Dissertations

The persistence of wage differences between blacks and whites has provided economists a perplexing topic for debate. It has been proposed that this gap can be attributed in great part to a disparity in educational attainment between the two groups. This study looks specifically at whether a college degree diminishes the wage differential. The empirical findings suggest that although a higher level of education increases the average wage for both blacks and whites it does not diminish the wage differential between the two groups. The results also reveal the possibility that the wage gap is in part due to the …

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Assessing Learning Outcomes In College Introductory Economics Courses: A Case Study, John Richards Mundy Jan 2001

Assessing Learning Outcomes In College Introductory Economics Courses: A Case Study, John Richards Mundy

UNLV Retrospective Theses & Dissertations

Many issues affecting economic education remain unresolved within the profession. Much scholarly attention in recent years relates to the teaching of college introductory economics principles in courses. This thesis analyzes the learning outcomes of students taking introductory college economics principles courses. Little basic research has been performed on the assessment of how students actually learn the concepts of economics. This thesis takes a unique approach to the assessment of learning outcomes. Following a pre- and post-test survey, students were scored on the basis of both their economic attitude sophistication, and their knowledge of content. The results were regressed against a …

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The Effects Of Thymic Hormones On The Proliferation Of Human Myelogenous Leukemia Cells, Melissa Pompilius Jan 2001

The Effects Of Thymic Hormones On The Proliferation Of Human Myelogenous Leukemia Cells, Melissa Pompilius

UNLV Retrospective Theses & Dissertations

Thymosin fraction 5 (TF5), comprised of an array of small molecular weight peptides, partially purified from the adult bovine thymus gland, contains multiple biologically active humoral factors. TF5 influences T cell differentiation, lymphokine production and restores immune deficiencies in a variety of animal models in vitro and in vivo. Because TF5 generally enhances immune reactivity, we examined the effects of TF5 on the proliferation of HL-60 human promyelocytic leukemia cells. Direct viable dye cell counting, the MTT reaction, and the clonogenic potential of HL-60 cells were used to determine cell proliferation. The potency and efficacy of TF5 for the inhibition …

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The Acute Effects Of Transdermal Testosterone Precursor Administration On Serum Steroid Hormone Levels In Females, Mark Anthony Rasmussen Jan 2001

The Acute Effects Of Transdermal Testosterone Precursor Administration On Serum Steroid Hormone Levels In Females, Mark Anthony Rasmussen

UNLV Retrospective Theses & Dissertations

Most governing sports authorities have banned the use of anabolic steroids as ergogenic aids. Recently, a transdermal testosterone precursor dietary supplement (AndrosteDERMRTM) has become available; athletes can apply the cream to their skin with the belief that it will increase serum testosterone levels, muscle mass, and strength. The purpose of this study was to measure the effects of one milliliter of AndrosteDERMRTM) applied to the inner surface of the upper arm on the serum levels of androstenedione, and free and total testosterone in female subjects. Serum levels were measured before application and every 45 minutes thereafter for six hours. Serum …

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Variables That Affect The Amount Of The Consent That Clinical Research Subjects Read, Joanne Hembree Robinson Jan 2001

Variables That Affect The Amount Of The Consent That Clinical Research Subjects Read, Joanne Hembree Robinson

UNLV Retrospective Theses & Dissertations

Various codes, regulations and guidelines have been established that outline what information must be provided to human subjects to insure that their participation in clinical drug studies is informed as well as voluntary. Recently questions have been raised as to whether written consent forms guarantee participants are making autonomous, informed decisions. The purpose of this study was to determine how much of the consent research subjects read in relation to selected variables. Seventy-seven percent of the participants reported that they read the entire consent form, but results suggest that 30--40% may not understand the study they are in. A question …

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Craniofacial Morphology And The Consequences Of Intentional Cranial Deformation Among Prehistoric Andean Populations, Matthew Paul Rhode Jan 2001

Craniofacial Morphology And The Consequences Of Intentional Cranial Deformation Among Prehistoric Andean Populations, Matthew Paul Rhode

UNLV Retrospective Theses & Dissertations

This research examined the cultural practice of cranial deformation (annular and anteroposterior), and its effects on 27 craniometric measurements and biodistances among 350 prehistoric crania from the Azapa valley of northern Chile. Included among these 27 measurements were nine facial measurements previously considered to be unaffected by deformation. One-way ANOVA, Bonferroni multiple comparisons, and discriminant function analyses indicated that out of the 27 measurements were seven centrally located facial and basilar measurements unaffected by deformation: orbital breadth, palate (maxillo-alveolar) breadth, nasal breadth, basion-prosthion length, cranial base length, foramen magnum length, and foramen magnum breath. Included among these seven measurements were …

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The 2000 Presidential Election: A Content Analysis Of Newspaper Media Coverage, Jennifer Barbara Stein Jan 2001

The 2000 Presidential Election: A Content Analysis Of Newspaper Media Coverage, Jennifer Barbara Stein

UNLV Retrospective Theses & Dissertations

Following the guidelines of journalistic integrity, media coverage of presidential elections should be fair and unbiased. This study examined the newspaper media coverage of George W. Bush and Al Gore, the two major presidential candidates in the 2000 election. This study examined all issues of the Las Vegas Review-Journal, Las Vegas Sun and the Reno Gazette-Journal during the 65-day time frame from Labor Day to Election Day 2000. This study tested three research questions and one hypothesis. The research questions asked if the overall amounts of newspaper coverage of George W. Bush and Al Gore were equal and neutral and …

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Evaluation Of In Situ Biodegradation Of Perchlorate In A Contaminated Site, Zhong Zhang Jan 2001

Evaluation Of In Situ Biodegradation Of Perchlorate In A Contaminated Site, Zhong Zhang

UNLV Retrospective Theses & Dissertations

This thesis investigated parameters affecting perchlorate biodegradation in the Las Vegas Wash area in Las Vegas, NV. Perchlorate is known to interfere with the functioning of the thyroid gland of humans. Perchlorate concentrations along the Las Vegas Wash were found to range from zero to 1000 ppb, while perchlorate concentrations in the contaminated seepage were approximately 100 ppm. Microbial counts in 30 water samples from the Las Vegas Wash and the contaminated seepage indicated that indigenous perchlorate-reducing microbes are ubiquitous and present in reasonable numbers. In the contaminated area, natural perchlorate biodegradation seems to be limited by at least three …

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Challenges For The New West: Economic Impacts Of Wilderness In Nevada's Rural Counties, Lesley Regina Argo Jan 2001

Challenges For The New West: Economic Impacts Of Wilderness In Nevada's Rural Counties, Lesley Regina Argo

UNLV Retrospective Theses & Dissertations

Public lands designated as part of the National Wilderness Preservation System are removed from multiple-use management for protection of their natural condition. Opponents argue that "locking up" the natural resources on these lands through designation will undermine the rural economies in the west that are dependent upon extractive industries such as mining and logging. Proponents argue that the "Old West" reliance on extractive industries is declining and, in the "New West", wilderness promotes economic development in rural communities by preserving the amenity values that draw population and employment to the region. Characteristics of Nevada's economy, population and land challenge the …

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Increasing Parental Knowledge In Treatment Of Childhood Fever, Brian D Bishop Jan 2001

Increasing Parental Knowledge In Treatment Of Childhood Fever, Brian D Bishop

UNLV Retrospective Theses & Dissertations

Fever is the single most common symptom that causes parents to seek medical attention for their young children (Kramer, Naimark, & Leduc, 1985). Parental lack of knowledge regarding the management of pediatric fever plays a roll in this phenomenon. The problem addressed in this study is inappropriate parental usage of emergency treatment resources for the treatment of non-emergent childhood fevers. This study tested if providing direct and indirect information about childhood fever and its treatment resulted in a decrease of inappropriate emergency room visits for non-emergent pediatric febrile illnesses for a select population; A quasi-experimental design was used with a …

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A Qualitative Study Of The Perceived Psychosocial Outcomes Of Gastric Bypass Surgery, Lindsey Eva Bocchieri Jan 2001

A Qualitative Study Of The Perceived Psychosocial Outcomes Of Gastric Bypass Surgery, Lindsey Eva Bocchieri

UNLV Retrospective Theses & Dissertations

Attempts to understand postoperative psychosocial changes in the lives of individuals who have undergone gastric bypass surgery for morbid obesity have (1) been guided by constructs emanating from the assumptions of researchers, and (2) have resulted in fragmented conclusions that catalogue changes without theoretically integrating them. Using unstructured and semi-structured interviews and in-depth focus groups, patients were asked in an open-ended fashion about the ways, if any, in which gastric bypass surgery had affected their lives. Grounded theory methodology was utilized in order to identify emergent themes and their interrelations, and build a meaningful, comprehensive theory of life after gastric …

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Prediction Of Performance Time On A Treadmill Stress Test Following A Bruce Protocol, Helena Nadine Boersma Jan 2001

Prediction Of Performance Time On A Treadmill Stress Test Following A Bruce Protocol, Helena Nadine Boersma

UNLV Retrospective Theses & Dissertations

The purpose of this study was to determine if screening tools from a self-reporting questionnaire, comprised of work-capacity questions, and physiological data, could be developed to predict treadmill test time when following a Bruce protocol. One hundred and eight subjects completed the questionnaire and performed treadmill tests. A stepwise regression analysis was used to develop equations from the research parameters established on the questionnaire, and resulted in two useful predictive equations, one for males and one for females. Results indicated 52 males and 33 females had actual treadmill times of six minutes or greater. The prediction equations predicted 59 males …

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