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Sight Deprivation And Metabolic Effects During The Ymca Bench Press Test, Kyle Cruz
Sight Deprivation And Metabolic Effects During The Ymca Bench Press Test, Kyle Cruz
UNLV Theses, Dissertations, Professional Papers, and Capstones
Several studies have investigated the effect of sensory deprivation, particularly sight. However, very few have demonstrated the impact of sight deprivation while exercising to cadence blindfolded. This study aimed to determine exercise performance during a common muscular endurance evaluation, the YMCA Bench Press Test (YBPT), while blindfolded compared to a sighted condition. Twenty-five healthy participants (11 male, 14 female, 168 ± 7.7cm, 68 ± 11.7kg, 23 ± 7.5% fat mass) were recruited from the University of Nevada, Las Vegas student populations and communities. After a YBPT familiarization session, participants completed testing in a counterbalanced order, following the same procedures. A …
Revisiting The Smartphone And Learning Inventory (Sali): Perspectives Of Preservice Teachers, Bridget K. Daleiden
Revisiting The Smartphone And Learning Inventory (Sali): Perspectives Of Preservice Teachers, Bridget K. Daleiden
UNLV Theses, Dissertations, Professional Papers, and Capstones
The implications of the presence and usage of smartphone technology in learning contexts are not fully understood. Self-regulated learning (SRL) theory offers a theoretical framework in which smartphone use can be explored. Researchers have recently developed a measure of smartphone use while studying, the Smartphone and Learning Inventory (SALI) (Hartley et al., 2020b). The present study is an exploratory qualitative analysis designed to compare open-ended responses to the 3-factor structure of the SALI. A thematic analysis of open-ended responses from a sample of preservice teachers was conducted. The purpose of the current research is to explore themes that may represent …
Cost Of Attendance And Competitive Balance In The Ncaa Division I Football Bowl Subdivision, Michelle Calica Coyner
Cost Of Attendance And Competitive Balance In The Ncaa Division I Football Bowl Subdivision, Michelle Calica Coyner
UNLV Theses, Dissertations, Professional Papers, and Capstones
The National Collegiate Athletic Association (NCAA) justifies its power and regulatory structure as necessary to promote competitive balance. Despite this, there is limited research on the efficacy of NCAA policies that were implemented with the intention of supporting more parity in Division I conferences. This study examined whether the 2015 cost of attendance (COA) policy was associated with competitive balance in various groups within the Division I Football Bowl Subdivision. Through the lenses of the Matthew Effect and policy design theory, this study aimed to understand how NCAA policies may hurt or help inequality in college sport. Although not all …
Healthcare Screenings In The Occupational And Workplace Setting: Taking Control Over Blood Pressure, Darryl W. Horton
Healthcare Screenings In The Occupational And Workplace Setting: Taking Control Over Blood Pressure, Darryl W. Horton
UNLV Theses, Dissertations, Professional Papers, and Capstones
Undiagnosed hypertension continues to be a growing concern worldwide leading to cardiovascular disease and other chronic illnesses and can contribute to death. The prevalence of hypertension continues to increase even with guidelines on screening, hypertension education, disease prevention, disease maintenance, and management. The purpose of this project was to determine if the implementation of a workplace blood pressure screening program would improve hypertension knowledge and reduce the burden of hypertension within workplace. A descriptive, cross-sectional design using convenience sampling was conducted. Participants were screened by measuring blood pressures, and the Hypertension Evaluation of Lifestyle Management scale (HELM) was utilized to …
Comparative Expression Of Exosome-Derived Dental Pulp Stem Cell (Dpsc) Microrna, Matthew Hunsaker
Comparative Expression Of Exosome-Derived Dental Pulp Stem Cell (Dpsc) Microrna, Matthew Hunsaker
UNLV Theses, Dissertations, Professional Papers, and Capstones
Introduction: Dental pulp stem cells (DPSC) are pluripotent stem cells capable of differentiating into several tissue types. Several studies have demonstrated DPSC can be extracted from deciduous and permanent teeth, including third molars (wisdom teeth) - however, much less is known regarding the factors that determine and regulate pluripotency and differentiation responsiveness among these harvested DPSC. Recent evidence has suggested small, non-coding microRNAs mediate (in part) differentiation and self-renewal among some stromal and hematopoetic stem cells, although much remains to be discovered regarding microRNA regulation of DPSC phenotypes. Based upon this information, the overall goal of this study was to …
Yusef Lateef, Autophysiopsychic Music And Oboe Performance, Ellen Hummel
Yusef Lateef, Autophysiopsychic Music And Oboe Performance, Ellen Hummel
UNLV Theses, Dissertations, Professional Papers, and Capstones
This document intends to explore Yusef Lateef`s expressiveness applied to oboe performance in order to contribute to the expansion of the language of oboe playing and oboe teaching. A thorough review of the literature suggests a lack of studies about the oboe as a principal instrument in genres other than classical music; particularly jazz, blues and popular music. We live in a time that questions the boundaries of all genres. Because improvisation is at the heart of genres like jazz and blues, educators are beginning to stress the importance of teaching improvisation to all musicians. Yusef Lateef’s concept and method …
Factors Affecting Hotel Recommendation: Before The Covid-19 Pandemic And After The Reopening, Boran Kim
Factors Affecting Hotel Recommendation: Before The Covid-19 Pandemic And After The Reopening, Boran Kim
UNLV Theses, Dissertations, Professional Papers, and Capstones
During the COVID-19 pandemic, numerous people lost their lives, and a lot of industries were affected. The hospitality industry was especially affected due to social distancing, travel restrictions, and safety issues. During that time, not only did customers' expectations change but their recommendation of hotels to friends and colleagues also changed. The current study used five factors (i.e., cleanliness, location, room, service, and value) to discover which factors were affecting hotel recommendation before the COVID-19 pandemic and after the reopening. This study used secondary data (online surveys) from one of the well-known integrated resorts located in the western United States. …
Researcher-Participant Privilege: Confidentiality And Qualitative Criminology, Eric Michael
Researcher-Participant Privilege: Confidentiality And Qualitative Criminology, Eric Michael
UNLV Theses, Dissertations, Professional Papers, and Capstones
Research institutions have the responsibility to comply with laws that govern the oversight of all research including research with human subjects. Institutional Review Boards (IRBs) review research protocols and approve research based on the rights and safety of research subjects. When conducting qualitative criminological research, researchers must weigh ethical considerations around their methods. These methodological considerations are coupled with guiding ethical principles that are fundamental to human subject research. One major consideration regards breaking confidentiality which can bring about great risk to participants. The following thesis focuses on the ethics of researcher-participant privilege and issues that qualitative researchers have in …
The Unexpected President: An Instrumental Case Study On Women University Presidents, Jessica Soria
The Unexpected President: An Instrumental Case Study On Women University Presidents, Jessica Soria
UNLV Theses, Dissertations, Professional Papers, and Capstones
This research study sought to examine the experiences of women university presidents. Despite the universal call for the diversification of higher education leadership, women are significantly underrepresented in the seat of the university presidency as higher rank university leadership positions are overwhelmingly occupied by white males. By interviewing women university presidents from diverse backgrounds and from different institutions, this instrumental case study examined their unique experiences. This study utilized two critical theoretical concepts to guide the study: intersectionality and gendered organizations theory.
Parental Education On Human Papillomavirus Vaccination, Marguarette J. Suprien
Parental Education On Human Papillomavirus Vaccination, Marguarette J. Suprien
UNLV Theses, Dissertations, Professional Papers, and Capstones
The human papillomavirus (HPV) is a worldwide condition that produces several diseases, including cervical, anogenital, and oral cancer, among others (Fishman et al., 2014). The Center for Disease Control and Prevention (CDC; 2016a) stated that HPV is among the most reported sexually transmitted diseases in the United States. Over 150 viruses are associated with HPV, and 40 types of the virus can be spread via sexual contact, including vaginal, oral, and anal sex (CDC, 2016; CDC, 2016b; CDC, 2016c). Evidence shows that approximately 79 million individuals are infected in the United States, and 14 million Americans are infected with the …
Describing Bacterial Mutagenic Hotspots And Signatures Along With The Factors That Drive Them, Carmen Vallin
Describing Bacterial Mutagenic Hotspots And Signatures Along With The Factors That Drive Them, Carmen Vallin
UNLV Theses, Dissertations, Professional Papers, and Capstones
In my dissertation work, I investigated bacterial mutagenesis. I asked: where do mutations occur in the bacterial genome? What types of mutations occur? What factors promote or prevent mutations? And lastly, how do the answers to these questions change depending on the bacterial life cycle (When)? I used Bacillus subtilis, a Gram-positive bacterium belonging to the phylum Firmicutes, and Escherichia coli, a Gram-negative bacterium belonging to the phylum Proteobacteria, to answer these questions. B. subtilis and E. coli are model systems that have been used to gain insights into fundamental processes of mutations and evolution for nearly ~8 decades. Here, …
Communicating Pain Unseen: Addressing Health Outcomes In Sexual Activity For Women With Endometriosis, Madison Wiese
Communicating Pain Unseen: Addressing Health Outcomes In Sexual Activity For Women With Endometriosis, Madison Wiese
UNLV Theses, Dissertations, Professional Papers, and Capstones
Roughly 160 million women live with endometriosis, a chronic disease involving the uterine lining shedding on the outside of the uterus causing immense physical and emotional pain (Becker et al., 2020). One common symptom of endometriosis is dyspareunia, or painful sex (Ballard et al., 2008). This study aims to uncover how gender expectations from society impact women with endometriosis specifically in sexual encounters. Informed by the traditional sexual script theory and sexual script theory, the study examines how traditional gender norms might influence women’s prioritization of their own health needs as well as the physical, emotional, and relational health outcomes …
Some Graph Laplacians And Variational Methods Applied To Partial Differential Equations On Graphs, Daniel Anthony Corral
Some Graph Laplacians And Variational Methods Applied To Partial Differential Equations On Graphs, Daniel Anthony Corral
UNLV Theses, Dissertations, Professional Papers, and Capstones
In this dissertation we will be examining partial differential equations on graphs. We start by presenting some basic graph theory topics and graph Laplacians with some minor original results. We move on to computing original Jost graph Laplacians of friendly labelings of various finite graphs. We then continue on to a host of original variational problems on a finite graph. The first variational problem is an original basic minimization problem. Next, we use the Lagrange multiplier approach to the Kazdan-Warner equation on a finite graph, our original results generalize those of Dr. Grigor’yan, Dr. Yang, and Dr. Lin. Then we …
“Failure Is Not An Option”: Sub-Saharan African International Graduate Students’ Experiences In U.S. Higher Education Institutions, Alfred Acquah
“Failure Is Not An Option”: Sub-Saharan African International Graduate Students’ Experiences In U.S. Higher Education Institutions, Alfred Acquah
UNLV Theses, Dissertations, Professional Papers, and Capstones
The rapid growth of international students, particularly from Sub-Saharan Africa, in U.S. higher education institutions calls for more critical research to understand their nuanced experiences in these institutions. So often, international students are homogenized and put under one umbrella, which shadows their unique experiences, especially those from developing countries and regions like Sub-Saharan Africa. Moreover, the paucity of literature on these students makes it even harder to hear their voices. Therefore, there is the need to disaggregate international students to become aware of some of their subtle challenges. This study aims to explore the experiences and community cultural wealth (CCW) …
Increasing Genetic Testing Rates To Improve Early Detection And Prevention Of Breast And Ovarian Cancer In Women, Makensey Beth Durrant
Increasing Genetic Testing Rates To Improve Early Detection And Prevention Of Breast And Ovarian Cancer In Women, Makensey Beth Durrant
UNLV Theses, Dissertations, Professional Papers, and Capstones
Screening rates for cancer related genetic mutations are low in the primary care setting, despite evidence-based guidelines recommending screening in all patients who meet criteria. Genetic mutations, such as the breast cancer susceptibility 1 and 2 (BRCA1/2) gene mutations, drastically increase breast and ovarian cancer risk in patients. The United States Preventive Services Task Force (USPSTF) and the National Comprehensive Cancer Network (NCCN) provide evidence-based guidelines on criteria for genetic testing in women at risk for breast and ovarian cancer related gene mutations. Primary care providers (PCPs), including advanced practice registered nurses (APRNs), are at the front lines of preventative …
Social Media Activism: Did We Say What We Meant To Say? A Thematic Analysis Of Slutwalk Los Angeles Hosted By Amber Rose, Yahindra Maxey
Social Media Activism: Did We Say What We Meant To Say? A Thematic Analysis Of Slutwalk Los Angeles Hosted By Amber Rose, Yahindra Maxey
UNLV Theses, Dissertations, Professional Papers, and Capstones
This study examined the convergence of activism and social media to analyze how messages are conveyed using an online platform. Using the official Instagram page of SlutWalk Los Angeles as the object of study, this paper examined what messages were being communicated online and how it reflected the movement. As social activism continues today, this study is relevant because it will provide insight on using visual imagery as a form of protest. Through thematic analysis, several themes emerged which include, inclusion, sexual liberation, re-appropriation, and rape awareness. These themes are explored and detailed, ultimately confirming the complex, polysemic nature of …
Axon Initial Segment Morphology Across Typical Cortical Development And In Mouse Models Of Neurodevelopmental Disorders With A High Incidence Of Epilepsy, Rachel Ali Rodriguez
Axon Initial Segment Morphology Across Typical Cortical Development And In Mouse Models Of Neurodevelopmental Disorders With A High Incidence Of Epilepsy, Rachel Ali Rodriguez
UNLV Theses, Dissertations, Professional Papers, and Capstones
Neurodevelopmental disorders (NDDs) are commonly associated with a high incidence of epileptic seizures which result from excessive firing of neurons. The axon initial segment (AIS) is a neuronal compartment essential for the control of activity patterns of neurons. The AIS undergoes important modifications during development, but the molecular mechanisms that affect the development, morphology, and protein composition of the AIS are still not well understood. We examined AIS morphology of medial prefrontal cortex (mPFC) pyramidal neurons in wildtype mice across development and in two mouse models of NDDs. Results indicate restructurings at the AIS during typical development, some of which …
Rail Fixed Guideway Systems In Western U.S. Regions, Kelly A. Beavers
Rail Fixed Guideway Systems In Western U.S. Regions, Kelly A. Beavers
UNLV Theses, Dissertations, Professional Papers, and Capstones
This research explores the policy factors influencing the intraregional development of rail transit. For the purpose of this research, policy factors include: institutional arrangements, factors associated with governance, and factors in the policymaking process. The research questions are studied in five case study MSAs within the Pacific West and Mountain West regions of the United States: Phoenix-Mesa-Chandler, AZ; Denver-Aurora-Lakewood, CO; Riverside-San Bernardino-Ontario, CA; Los Angeles-Long Beach-Anaheim, CA; and Portland-Vancouver-Hillsboro, OR. The foundational problems that frame this research are the challenges of urban planning at a regional scale, specifically for transportation. The more specific challenge of transportation planning is situated within …
The Spark That Lit The Match: The Use Of Petitions And The Emergence Of Antislavery Politicians In The Movement To Abolish Slavery In The District Of Columbia, 1816-1829, Timothy Brown
UNLV Theses, Dissertations, Professional Papers, and Capstones
The United States capital, Washington, D.C., became the focus of antislavery advocates in their quest to eliminate the domestic slave trade and slavery. By the War of 1812, the domestic slave trade was thriving in the capital. However, many saw it as particularly embarrassing to a nation predicated on the concept of freedom. This embarrassment was even felt by proslavery Southerners. Beginning in 1816, an attempt to restrict the trade in the Capital occurred when Virginia Congressman John Randolph called for the destruction of the domestic slave trade there. Despite being proslavery, he argued that the federal government, as the …
Physiological And Mechanical Comparisons Between Clipless And Flat Pedals, Katelyn Conroy
Physiological And Mechanical Comparisons Between Clipless And Flat Pedals, Katelyn Conroy
UNLV Theses, Dissertations, Professional Papers, and Capstones
The purpose of this study was to investigate the physiological and mechanical comparisons between clipless and flat pedals. Participants (n=4) completed two at-home 20-minute FTP tests: using clipless and flat pedals using Zwift. The order of conditions were randomized for each participant. Participants used their personal Smart Trainers, clipless pedals, and cycling shoes while flat pedals were provided (Syun-LP, Road Bike Platform Pedals). Power, heart rate and cadence were recorded and used for analysis. All dependent variables were compared using paired t-tests. Power was significantly greater for clipless (226.7 ± 46.2 W) vs. flat (215.2 ± 41.8 W) pedals (p …
The Implementation Of Tribal Provisions From The Vawa 2013 Reauthorization, Deejay E. Chino
The Implementation Of Tribal Provisions From The Vawa 2013 Reauthorization, Deejay E. Chino
UNLV Theses, Dissertations, Professional Papers, and Capstones
Recent changes in VAWA allows tribes – for the first time – to prosecute non-Indians for intimate partner violence. In order to do so, however, tribes have to first meet specific federal mandates. Implementation of federal regulatory policy by American Indian tribes is a dynamic and complex process but there is a dearth of information on the challenges tribes face or on factors that would facilitate successful implementation at the tribal level. This legislation has filled a serious gap in tribal jurisprudence but not all tribes are able to meet requirements, which include having specific legal codes and justice resources. …
Identifying Risk Factors For Ptsd Symptom Clusters In Maltreated, Multiracial Youth Using Nonparametric Modeling, Mallory Constantine
Identifying Risk Factors For Ptsd Symptom Clusters In Maltreated, Multiracial Youth Using Nonparametric Modeling, Mallory Constantine
UNLV Theses, Dissertations, Professional Papers, and Capstones
Multiracial youth are one of the most at-risk racial groups for child maltreatment. Multiracial individuals are also more likely to report mental health concerns than other racial or ethnic groups. This study aimed to identify demographic and psychological risk factors that are unique to multiracial, maltreated youth with respect to PTSD symptoms (i.e., re-experiencing, hyperarousal, avoidance) through classification and regression tree (CART) analyses. Participants included 99 multiracial, maltreated youth directly following their placement in an emergency group shelter due to substantiated maltreatment. The first hypothesis was that female gender, English first language, questions related to guilt and self-blame, and depressive …
Student Perceptions Of Formative Feedback In Mathematics, Derek E. Fialkiewicz
Student Perceptions Of Formative Feedback In Mathematics, Derek E. Fialkiewicz
UNLV Theses, Dissertations, Professional Papers, and Capstones
There exists a plethora of quantitative studies which show the effectiveness of quality formative assessment and feedback in the classroom setting (Butler, 1987; Nyquist, 2003; Irons, 2008; Baskula, 2010; Pradana et al., 2017; Hossain, 2018; Pinger et al., 2018). Wiliam (2018) suggests the perceptions of the recipients of the feedback must be considered to determine the most effective levels of feedback. Seidman (2019) explained many researchers in the United States study education, but very few focus on the perspectives of the students and teachers, whose experiences comprise schooling. This qualitative study focuses on the perceptions of Grade 8 Pre-Algebra students …
Material Handling With Embodied Loco-Manipulation, Jean Chagas Vaz
Material Handling With Embodied Loco-Manipulation, Jean Chagas Vaz
UNLV Theses, Dissertations, Professional Papers, and Capstones
Material handling is an intrinsic component of disaster response. Typically, first responders, such as firefighters and/or paramedics, must carry, push, pull, and handle objects, facilitating the transportation of goods. For many years, researchers from around the globe have sought to enable full-sized humanoid robots to perform such essential material handling tasks. This work aims to tackle current limitations of humanoids in the realm of interaction with common objects such as carts, wheelbarrows, etc. Throughout this research, many methods will be applied to ensure a stable Zero Moment Point (ZMP) trajectory to allow a robust gait while loco-manipulating a cart. The …
How Do Beliefs Come Into Play? An Examination Of The Influence Of Core Conceptions On Science Teachers’ Inquiry Lesson Plan Designs, Mehmet Fatih Dulger
How Do Beliefs Come Into Play? An Examination Of The Influence Of Core Conceptions On Science Teachers’ Inquiry Lesson Plan Designs, Mehmet Fatih Dulger
UNLV Theses, Dissertations, Professional Papers, and Capstones
Teaching science through inquiry-based methodologies has been advocated by several governmental and professional organizations (National Research Council [NRC], 2000; NGSS Lead States, 2013); however, their use is not widespread. Why is this? What science teachers do in their classrooms is shaped by their beliefs, especially their beliefs about the nature of science, about the goals and purposes of school science and the goals of teaching science, and about the teaching and learning science. By critically examining these core conceptions and their influence on teacher lesson planning, this study aims to shed light on the role conceptions play when teachers design …
Polyvinyl Chloride Gels: Theoretical Modeling Of Their Actuation Mechanism And Characterization Of Their Properties, Zachary Frank
Polyvinyl Chloride Gels: Theoretical Modeling Of Their Actuation Mechanism And Characterization Of Their Properties, Zachary Frank
UNLV Theses, Dissertations, Professional Papers, and Capstones
Polyvinyl chloride (PVC) gels are an electroactive polymer smart material which has been considered in a variety of actuator applications. Their large deformation, fast response rates, optical transparency, and soft nature has made them a key area of interest in fields ranging from soft robotics to optics. PVC gels are made from PVC mixed with large quantities of plasticizer, such as dibutyl adipate (DBA). When a voltage is applied, the gel experiences an “anodophilic” deformation (in which it moves preferentially towards the anode). This unique characteristic is the result of a charge buildup near the anode surface, which creates electromechanical …
The Experience Of Self-Coherence: Self-Coherence As The Hub Of All Needs, April Ursula Fox
The Experience Of Self-Coherence: Self-Coherence As The Hub Of All Needs, April Ursula Fox
UNLV Theses, Dissertations, Professional Papers, and Capstones
Self-coherence as the hub of all needs is a novel proposition made by Carol Dweck (2017), and not yet further explored. While supporting self-coherence with a comprehensive review of its presence within behavioral sciences, Dweck does not dive deeper into it, and offers an invitation for further research of its workings. In this study I respond to that invitation. I design a continuation to her theory. I also expand her theory to include what I have found to be missing, but essential, additional components that cannot be ignored within the context of self-coherence as a master sensor of needs. Finally, …
Party Central: Networks, Influence, And Party Change In The Us House Of Representatives, Sean M. Goff
Party Central: Networks, Influence, And Party Change In The Us House Of Representatives, Sean M. Goff
UNLV Theses, Dissertations, Professional Papers, and Capstones
For decades, scholars have devoted considerable attention to the causes and processes of party change. In this dissertation, I offer a new theoretical framework that not only takes into account the behavior of Members of Congress, but also how that behavior is constrained and conditioned by the relationships they share with other Members. This web of relationships forms a party network, the structure of which changes as Member-to-Member relationships change over time. I also identify three mechanisms of party change: a Member of Congress shifting their position to align with another (assimilation); a Member being pushed to the periphery of …
The Archetypal Female Image In Chinese National Opera: A Study Of Xi Shi, Xin Guo
The Archetypal Female Image In Chinese National Opera: A Study Of Xi Shi, Xin Guo
UNLV Theses, Dissertations, Professional Papers, and Capstones
In contrast to traditional Chinese operas, the history of Chinese National Opera1 is only a few decades long. Some scholars believe that many Chinese operas are feminist and female-centered. However, from the aesthetic standard of women’s voice to the female character’s inner world, it is hard to say that one can describe these operas as feminist simply because women play leading roles or the female arias are more than male. This document will explain the observation by analyzing the portrayal of female archetypes in Chinese national opera and discussing how opera Xi Shi complies with or subverts the portrayal. The …
The Role Of Working Memory In Fraction Arithmetic: Eye Movements During A Dual Task, Krystal Kamekona-Mendoza
The Role Of Working Memory In Fraction Arithmetic: Eye Movements During A Dual Task, Krystal Kamekona-Mendoza
UNLV Theses, Dissertations, Professional Papers, and Capstones
Fractions are first introduced at the elementary school age, yet difficulty with fraction computation (i.e., adding, subtracting, multiplying, and dividing) continues to persist throughout adulthood. Research suggests that fraction knowledge is predictive of future math achievement and success in algebra. Given the early age at which this concept is introduced and the critical role that it plays in future mathematics success, it is important to better understand the cognitive mechanisms involved in fraction computation and why students continue to struggle with this concept. The role of executive function (e.g., attention, inhibition, working memory) in fraction arithmetic is complex. While working …