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ASU Electronic Theses and Dissertations


This collection includes most of the ASU Theses and Dissertations from 2011 to present. ASU Theses and Dissertations are available in downloadable PDF format; however, a small percentage of items are under embargo. Information about the dissertations/theses includes degree information, committee members, an abstract, supporting data or media.

In addition to the electronic theses found in the ASU Digital Repository, ASU Theses and Dissertations can be found in the ASU Library Catalog.

Dissertations and Theses granted by Arizona State University are archived and made available through a joint effort of the ASU Graduate College and the ASU Libraries. For more information or questions about this collection contact or visit the Digital Repository ETD Library Guide or contact the ASU Graduate College at gradformat@asu.edu.


Contributor
Date Range
2004 2020


The present study aimed to advance the current understanding of the relation between disability and subjective well-being by examining the extent to which different facets of subjective well-being (life satisfaction, positive affect, and negative affect) change before and after disability onset, and the extent to which age and type of disability moderate such changes. Multiphase growth-curve models to prospective longitudinal survey data from Waves 1-16 of the Household, Income and Labour Dynamics in Australia (HILDA) survey (N = 3,795; mean age = 50.22; age range: 16-99; 51% women). On average, life satisfaction remained relatively stable across the disability transition, whereas …

Contributors
Fraire, Nicoletta, Infurna, Frank J, Luthar, Suniya S, et al.
Created Date
2019

法律职业全球化作为经济全球化的必然产物,在近二十年来不断受到法律职业社会学者的广泛关注及探讨。中国改革开放四十年中国法律职业得以蓬勃发展,却很少学者研究探讨中国法律职业全球化。在中国企业“走出去”和“一带一路”倡议的背景下,新技术创新特别是人工智能、大数据等浪潮不断冲击着法律职业,给中国法律职业全球化发展带来机遇和挑战。本文拟阐述法律职业发展及其全球化理论,并以比较法视角探索研究不同司法管辖区如美国、英国以及印度等国法律职业全球化经验和启示,考察现有国际律师事务所以及“四大”法律服务全球化的发展历程,并且探新技术的创新是如何改变法律职业、重塑全球法律服务业的格局,通过分析和借鉴法律职业的国际经验、经济学原理和变革趋势探讨中国法律职业改革开放及全球化的模式和路径,并提出相关政策建议 Dissertation/Thesis

Contributors
Chen, Gui, Gu, Bin, Zhu, Ning, et al.
Created Date
2019

The mobile crowdsensing (MCS) applications leverage the user data to derive useful information by data-driven evaluation of innovative user contexts and gathering of information at a high data rate. Such access to context-rich data can potentially enable computationally intensive crowd-sourcing applications such as tracking a missing person or capturing a highlight video of an event. Using snippets and pictures captured from multiple mobile phone cameras with specific contexts can improve the data acquired in such applications. These MCS applications require efficient processing and analysis to generate results in real time. A human user, mobile device and their interactions cause a …

Contributors
Pore, Madhurima, GUPTA, SANDEEP K. S., GUPTA, SANDEEP K. S., et al.
Created Date
2019

An evolving understanding of elastomeric polymer nanocomposites continues to expand commercial, defense, and industrial products and applications. This work explores the thermomechanical properties of elastomeric nanocomposites prepared from bisphenol A diglycidyl ether (BADGE) and three amine-terminated poly(propylene oxides) (Jeffamines). The Jeffamines investigated include difunctional crosslinkers with molecular weights of 2,000 and 4,000 g/mol and a trifunctional crosslinker with a molecular weight of 3,000 g/mol. Additionally, carbon nanotubes (CNTs) were added, up to 1.25 wt%, to each thermoset. The findings indicate that the Tg and storage modulus of the polymer nanocomposites can be controlled independently within narrow concentration windows, and that …

Contributors
WANG, MENG, Green, Matthew D, Green, Alexander, et al.
Created Date
2019

This dissertation explores the nature of collaborative writing in an interdisciplinary research context beyond classrooms. Most of the current studies in collaborative writing in second language contexts are based on collaborative writing in classroom-based contexts such as English as a Second Language courses with undergraduate students. Collaborative writing tasks are getting its popularity both in classrooms and beyond classrooms with various purposes and objectives. Thus, it is more likely that multilingual writers encounter some kinds of collaborative writing tasks in various contexts. For writing instructors and writing curriculum developers, it is important to understand various types of collaborative writing tasks …

Contributors
Kim, Junghwa, Matsuda, Paul Kei, Matsuda, Aya, et al.
Created Date
2019

The traditional access control system suffers from the problem of separation of data ownership and management. It poses data security issues in application scenarios such as cloud computing and blockchain where the data owners either do not trust the data storage provider or even do not know who would have access to their data once they are appended to the chain. In these scenarios, the data owner actually loses control of the data once they are uploaded to the outside storage. Encryption-before-uploading is the way to solve this issue, however traditional encryption schemes such as AES, RSA, ECC, bring about …

Contributors
Dong, Qiuxiang, Huang, Dijiang, Sen, Arunabha, et al.
Created Date
2020

The marked increase in the inflow of remotely sensed data from satellites have trans- formed the Earth and Space Sciences to a data rich domain creating a rich repository for domain experts to analyze. These observations shed light on a diverse array of disciplines ranging from monitoring Earth system components to planetary explo- ration by highlighting the expected trend and patterns in the data. However, the complexity of these patterns from local to global scales, coupled with the volume of this ever-growing repository necessitates advanced techniques to sequentially process the datasets to determine the underlying trends. Such techniques essentially model …

Contributors
Chakraborty, Srija, Papandreou-Suppappola, Antonia, Christensen, Philip, et al.
Created Date
2019

企业并购是经济管理领域长盛不衰的研究话题,也是企业高投资与高风险并行的战略举措。并购后对品牌进行有效整合是实现并购价值的重要过程,只有对并购后的品牌进行整合,才能使并购取得应有的并购协同效应。在消费者导向意识不断深化,服务导向逐渐成为服务行业的主流导向的背景下,研究品牌并购中消费者感知及其忠诚显得尤为重要。企业并购过程中面临的风险与挑战之一就是消费者未必对商家的品牌并购行为买账,消费者忠诚受到影响。尽管已有学者提出品牌并购的企业更应关注消费者及其忠诚,但目前从消费者感知角度研究企业或品牌并购行为的研究较少。为了揭示消费者感知品牌并购的过程,探究品牌并购是否及如何影响消费者感知及忠诚,本文基于深度访谈法与情境下问卷调查法分析了消费者对品牌并购的感知及结果,并设计两项研究:研究一在理论分析与前人研究基础上,通过对消费者的深度访谈,确立了消费者感知的品牌并购价值的四个维度,分别为品牌联想、产品联想、组织联想与人员服务品质,并在借鉴前人研究结合本研究的具体背景,得出消费者感知的品牌并购价值的测量条目。研究二通过情境模拟下的问卷调查法,检验了消费者感知品牌并购价值、感知质量、感知价值、品牌忠诚、产品涉入以及品牌知名度之间的关系。在此基础上,本文对L教育集团在实践运营过程中的品牌并购案例进行详细分析,发现了L教育集团发起品牌并购的原因以及并购过程中存在的问题和改进建议。 研究结果显示:(1)消费者感知的品牌并购价值的四个维度分别为品牌联想、产品联想、组织联想与人员服务品质;(2)消费者感知品牌并购价值与感知质量有显著正相关关系,表明消费者感知品牌并购价值能够提高消费者的感知质量;(3)消费者感知质量对其感知价值有显著的正向影响,表明感知质量正向预测消费者的感知价值水平;(4)消费者感知质量对其品牌忠诚有显著的积极作用;(5)消费者感知品牌并购价值与消费者感知价值存在显著的正相关关系;(6)消费者感知品牌并购价值对消费者品牌忠诚的路径系数达到显著性水平;(7)消费者感知质量在感知并购价值与感知价值、品牌忠诚之间起部分中介作用;(8)产品涉入与品牌知名度在消费者感知并购价值与感知质量的关系之间起调节作用。 Dissertation/Thesis

Contributors
Han, Liqing, Pei, Ker-wei, Zhang, Anmin, et al.
Created Date
2019

Component simulation models, such as agent-based models, may depend on spatial data associated with geographic locations. Composition of such models can be achieved using a Geographic Knowledge Interchange Broker (GeoKIB) enabled with spatial-temporal data transformation functions, each of which is responsible for a set of interactions between two independent models. The use of autonomous interaction models allows model composition without alteration of the composed component models. An interaction model must handle differences in the spatial resolutions between models, in addition to differences in their temporal input/output data types and resolutions. A generalized GeoKIB was designed that regulates unidirectional spatially-based interactions …

Contributors
Boyd, William Angelo, Sarjoughian, Hessam S, Maciejewski, Ross, et al.
Created Date
2019

Over a million children who attend American public schools experience homelessness every year. This study investigates the musical lives of children experiencing homelessness through the lens of the ecological systems theory (Bronfenbrenner, 1979). Children encounter music in a variety of ways and develop their own lexicon of meaning that depicts the relationships they have in, through, and around music. Relationship connections in this study were depicted through a system of relationship networks (Neal & Neal, 2013). In this study I present and analyze the cases of nine participants who attended an after-school care program at a homeless shelter for families …

Contributors
Box Mitchell, Corrie, Stauffer, Sandra L, Tobias, Evan, et al.
Created Date
2019

Anti-trafficking research recognizes several populations affected by Commercial Sexual Exploitation (CSE) in the United States (U.S.), yet it has not yet recognized long-term survivors, whose experiences of CSE occurred from the 1960s through the 2000s. Rendering long-term survivors invisible erases the history of CSE in the U.S. and prevents an accurate assessment of the true scope of CSE that it extends from infancy through adulthood. The most grievous CSE cultures target both boys and girls beginning at infancy and extending through early childhood. This project provides a foundation for understanding who long-term survivors are, the types of CSE they experienced, …

Contributors
Weaver, Melanie Lynne, Swadener, Elizabeth B, Nakagawa, Kathryn, et al.
Created Date
2019

As the designer is asked to design, create, or simply solve a problem, many factors go into that process. It generally begins with defining the scope or problem that undergoes an iterative process utilizing different tools and techniques to generate the desired outcome. This is often referred to as the design process. Notwithstanding the many factors that influence this process, this study investigates the use of theory for behavior change and its effect on the design process. While social behavioral theories have been extensively discussed in the realm of design, and a well-developed body of literature exists, there is limited …

Contributors
AlWazzan, Aysha, Mejia, G. Mauricio, Sanft, Alfred, et al.
Created Date
2019

Structural details about viruses and their components are important for understanding the many steps in a virus life-cycle, including entry into host cells, replication, assembly, and release of progeny virions. X-ray crystallography and electron microscopy, including cryo-EM, have been used extensively for virus structural studies. Recent advances with cryo-EM have significantly advanced the field with near-atomic resolution structures of viruses being achievable. X-ray free-electron lasers (XFELs) are a novel, developing method to solve structures for non-crystalline single particle targets like viruses. Diffraction patterns can be collected directly from particles at room temperature. High quality, homogeneous virus preparations are critical for …

Contributors
Contreras, Alice Stephanie, Hogue, Brenda G, Hogue, Ian B, et al.
Created Date
2019

El presente estudio aborda aspectos de la monstruosidad desde una perspectiva integral y transdisciplinaria que combina los estudios poscoloniales, postmodernos, queer pero sobre todo postfeministas en el campo de la producción cultural latinoamericana. Esta combinación permite poner en perspectiva la posibilidades de resistencia al tiempo y espacio en que coaccionan los personajes protagónicos de las obras a analizar: los filmes La teta asustada (2009) de Claudia Llosa y la ópera prima de Rosario García Montero, Las malas intenciones (2011); de igual forma se trabaja con la colección de cuentos Falo de Mulher (2002) y el cuento "Mãe o cacete" (2004) …

Contributors
Ortiz Manzanilla, Roberto de Jesús, Foster, David W, Tompkins, Cynthia M, et al.
Created Date
2019

ABSTRACT Human and wildlife behavior, governance, and economics are often cited obstacles to wildlife conservation. Accordingly, conservation research has historically been conducted in the exterior terrains of behavior and systems, which can be empirically observed or known through systemic analysis and applied through institutional or technical fixes. However, conservation interventions are failing because they do not adequately address the influence of individual and collective interior phenomena including psychological states, worldviews, values, and identities of stakeholders, which can bear decisively on conservation outcomes. This critical analysis of wildlife conservation science and the social and political histories of Southwestern landscapes illustrates the …

Contributors
Hagy Ferguson, Anita Dawn, Bolin, Bob, BurnSilver, Shauna, et al.
Created Date
2019

Reionization is the phase transition of intergalactic atoms from being neutral to becoming fully ionized. This process began ∼400 Myr after the Big Bang, when the first stars and black holes began emitting ionizing radiation from stellar photospheres and accretion disks. Reionization completed when all of the neutral matter between galaxies became ionized ∼1 Gyr after the Big Bang, and the Universe became transparent as it is today. Characteristics of the galaxies that drove reionization are mostly unknown. The physical mechanisms that create ionizing radiation inside these galaxies, and the paths for this light to escape are even more unclear. …

Contributors
Smith, Brent Matthew, Windhorst, Rogier A., Bowman, Judd, et al.
Created Date
2019

This dissertation aimed to evaluate the effectiveness and drawbacks of promising fall prevention strategies in individuals with stroke by rigorously analyzing the biomechanics of laboratory falls and compensatory movements required to prevent a fall. Ankle-foot-orthoses (AFOs) and functional electrical stimulators (FESs) are commonly prescribed to treat foot drop. Despite well-established positive impacts of AFOs and FES devices on balance and gait, AFO and FES users fall at a high rate. In chapter 2 (as a preliminary study), solely mechanical impacts of a semi-rigid AFO on the compensatory stepping response of young healthy individuals following trip-like treadmill perturbations were evaluated. It …

Contributors
Nevisipour, Masood, Honeycutt, Claire, Sugar, Thomas, et al.
Created Date
2019

The applications utilizing nanoparticles have grown in both industrial and academic areas because of the very large surface area to volume ratios of these particles. One of the best ways to process and control these nanoparticles is fluidization. In this work, a new microjet and vibration assisted (MVA) fluidized bed system was developed in order to fluidize nanoparticles. The system was tested and the parameters optimized using two commercially available TiO2 nanoparticles: P25 and P90. The fluidization quality was assessed by determining the non-dimensional bed height as well as the non-dimensional pressure drop. The non-dimensional bed height for the nanosized …

Contributors
an, keju, Andino, Jean, Phelan, Patrick, et al.
Created Date
2019

Unstructured texts containing biomedical information from sources such as electronic health records, scientific literature, discussion forums, and social media offer an opportunity to extract information for a wide range of applications in biomedical informatics. Building scalable and efficient pipelines for natural language processing and extraction of biomedical information plays an important role in the implementation and adoption of applications in areas such as public health. Advancements in machine learning and deep learning techniques have enabled rapid development of such pipelines. This dissertation presents entity extraction pipelines for two public health applications: virus phylogeography and pharmacovigilance. For virus phylogeography, geographical locations …

Contributors
Magge, Arjun, Scotch, Matthew, Gonzalez-Hernandez, Graciela, et al.
Created Date
2019

This research aims to serve as a starting point to the exploration of the current status of autism in Sudan and how to best utilize available Information and Communication Technology (ICT) to educate and support parents and educators. Currently, there is no official published data on the prevalence of autism in Sudan or the related available services and facilities. To attempt to expand upon the limited existing knowledge, the researcher collected all available data and information through Sudanese Facebook groups and pages. The research was observational in nature. Findings indicated that raising a child with Autism Spectrum Disorder (ASD) in …

Contributors
Salim, Sulafa, Parmentier, Mary Jane, Hussain, Faheem, et al.
Created Date
2019

As robots become mechanically more capable, they are going to be more and more integrated into our daily lives. Over time, human’s expectation of what the robot capabilities are is getting higher. Therefore, it can be conjectured that often robots will not act as human commanders intended them to do. That is, the users of the robots may have a different point of view from the one the robots do. The first part of this dissertation covers methods that resolve some instances of this mismatch when the mission requirements are expressed in Linear Temporal Logic (LTL) for handling coverage, sequencing, …

Contributors
Kim, Kangjin, Fainekos, Georgios, Baral, Chitta, et al.
Created Date
2019

Weight gain and unfavorable body composition are prevalent among midlife and older women; shifts in these characteristics can have detrimental implications on emotional and physical health and longevity. Efforts to attenuate weight-related factors detailing the potential development of obesity are traditionally driven by manipulation of nutrition and/or physical activity; however, sustained results are limited. Novel and integrative approaches are needed to reduce the burden of adverse changes in weight and associated consequences. This dissertation is built around a model of effects of Tai Chi/Qigong in body composition and a pilot test of this intervention and model factors in a group …

Contributors
James, Darith, Larkey, Linda K, Evans, Bronwynne, et al.
Created Date
2019

The current study aims to explore factors affecting trust in human-drone collaboration. A current gap exists in research surrounding civilian drone use and the role of trust in human-drone interaction and collaboration. Specifically, existing research lacks an explanation of the relationship between drone pilot experience, trust, and trust-related behaviors as well as other factors. Using two dimensions of trust in human-automation team—purpose and performance—the effects of experience on drone design and trust is studied to explore factors that may contribute to such a model. An online survey was conducted to examine civilian drone operators’ experience, familiarity, expertise, and trust in …

Contributors
Niichel, Madeline Kathleen, Chiou, Erin, Cooke, Nancy, et al.
Created Date
2019

Limited spectral access motivates technologies that adapt to diminishing resources and increasingly cluttered environments. A joint positioning-communications system is designed and implemented on \acf{COTS} hardware. This system enables simultaneous positioning of, and communications between, nodes in a distributed network of base-stations and unmanned aerial systems (UASs). This technology offers extreme ranging precision ($<$ 5 cm) with minimal bandwidth (10 MHz), a secure communications link to protect against cyberattacks, a small form factor that enables integration into numerous platforms, and minimal resource consumption which supports high-density networks. The positioning and communications tasks are performed simultaneously with a single, co-use waveform, which …

Contributors
Herschfelt, Andrew, Bliss, Daniel W, Cochran, Douglas, et al.
Created Date
2019

Recent years have seen fin field effect transistors (finFETs) dominate modern complementary metal oxide semiconductor (CMOS) processes, [1][2], e.g., at the sub 20 nm technology nodes, as they alleviate short channel effects, provide lower leakage, and enable some continued VDD scaling. However, a realistic finFET based predictive process design kit (PDK) that supports investigation into both circuit and physical design, encompassing all aspects of digital design, for academic use has been unavailable. While the finFET based FreePDK15 was supplemented with a standard cell library, it lacked full physical verification (LVS) and parasitic extraction at the time [3][4]. Consequently, the only …

Contributors
Vashishtha, Vinay, Clark, Lawrence T., Allee, David R., et al.
Created Date
2019

Ultrasound B-mode imaging is an increasingly significant medical imaging modality for clinical applications. Compared to other imaging modalities like computed tomography (CT) or magnetic resonance imaging (MRI), ultrasound imaging has the advantage of being safe, inexpensive, and portable. While two dimensional (2-D) ultrasound imaging is very popular, three dimensional (3-D) ultrasound imaging provides distinct advantages over its 2-D counterpart by providing volumetric imaging, which leads to more accurate analysis of tumor and cysts. However, the amount of received data at the front-end of 3-D system is extremely large, making it impractical for power-constrained portable systems. In this thesis, algorithm and …

Contributors
Zhou, Jian, Chakrabarti, Chaitali, Papandreou-Suppappola, Antonia, et al.
Created Date
2019

Background: Exercise is Medicine (EIM) is a health promotion strategy for addressing physical inactivity in healthcare. However, it is unknown how to successfully implement the processes. Purpose: The purpose of this study was to understand how implementing EIM influenced provider behaviors in a university-based healthcare system, using a process evaluation. Methods: A multiple baseline, time series design was used. Providers were allocated to three groups. Group 1 (n=11) was exposed to an electronic medical record (EMR) systems change, EIM-related resources, and EIM training session. Group 2 (n=5) received the EMR change and resources but no training. Group 3 (n=6) was …

Contributors
Birchfield, Natasha R, Der Ananian, Cheryl, Krasnow, Aaron, et al.
Created Date
2019

The traditional site of Rachel's Tomb is located just south of Jerusalem on the border of Bethlehem. In recent years, Rachel's Tomb architectural appearance and cultural significance have shifted dramatically in the last two decades and the Biblical figure of Rachel has evolved in the Jewish imagination as a figure "emplaced" there as well. The original stories that have drawn visitors to the site have developed from Biblical and Rabbinic texts, yet contemporary visitors to the site have their own perspectives and stories to tell, grounded in religious tradition, nostalgia, and current political and social realities. At the traditional site …

Contributors
Anderson, Carli, Gereboff, Joel, Mirguet, Francoise, et al.
Created Date
2019

Nanomaterials that exhibit enzyme-like catalytic activity or nanozymes have many advantages compared to biological enzymes such as low cost of production and high stability. There is a substantial interest in studying two-dimensional materials due to their exceptional properties. Hafnium diboride is a type of two-dimensional material and belongs to the metal diborides family made of hexagonal layers of boron atoms separated by metal layers. In this work, the peroxidase-like activity of hafnium diboride nanoflakes dispersed in the block copolymer F77 was discovered for the first time. The kinetics, mechanisms and catalytic performance towards the oxidation of the chromogenic substrate 3,3,5,5-tetramethylbenzidine …

Contributors
Matar Abed, Mahmoud, Wang, Qing Hua, Green, Alexander, et al.
Created Date
2019

The emergence of perovskite and practical efficiency limit to silicon solar cells has opened door for perovskite and silicon based tandems with the possibility to achieve >30% efficiency. However, there are material and optical challenges that have to be overcome for the success of these tandems. In this work the aim is to understand and improve the light management issues in silicon and perovskite based tandems through comprehensive optical modeling and simulation of current state of the art tandems and by characterizing the optical properties of new top and bottom cell materials. Moreover, to propose practical solutions to mitigate some …

Contributors
Manzoor, Salman, Holman, Zachary C, King, Richard, et al.
Created Date
2019

Riparian areas are an important resource, especially in the arid southwest, for many wildlife species. Understanding species occurrence in areas dominated by non-native vegetation is important to determine if management should be implemented. Saltcedar (Tamarix spp.) is one of the most prevalent non-native trees in riparian areas in the southwest United States and can alter vegetation structure, but little is known about how medium and large carnivores use stands of saltcedar. Three riparian forest types make up the San Pedro riparian corridor: non-native saltcedar, native mesquite (Prosopis spp.) bosque, and a mixture of native cottonwood (Populus fremontii) and willow (Salix …

Contributors
Herzog, Cheyenne J, Bateman, Heather L, Lewis, Jesse, et al.
Created Date
2019

Deep neural networks (DNNs) have had tremendous success in a variety of statistical learning applications due to their vast expressive power. Most applications run DNNs on the cloud on parallelized architectures. There is a need for for efficient DNN inference on edge with low precision hardware and analog accelerators. To make trained models more robust for this setting, quantization and analog compute noise are modeled as weight space perturbations to DNNs and an information theoretic regularization scheme is used to penalize the KL-divergence between perturbed and unperturbed models. This regularizer has similarities to both natural gradient descent and knowledge distillation, …

Contributors
Kadambi, Pradyumna, Berisha, Visar, Dasarathy, Gautam, et al.
Created Date
2019

Transient receptor potential vanilloid member 1 (TRPV1) is a membrane protein ion channel that functions as a heat and capsaicin receptor. In addition to activation by hot temperature and vanilloid compounds such as capsaicin, TRPV1 is modulated by various stimuli including acidic pH, endogenous lipids, diverse biological and synthetic chemical ligands, and modulatory proteins. Due to its sensitivity to noxious stimuli such as high temperature and pungent chemicals, there has been significant evidence that TRPV1 participates in a variety of human physiological and pathophysiological pathways, raising the potential of TRPV1 as an attractive therapeutic target. However, the polymodal nature of …

Contributors
Kim, Minjoo, Van Horn, Wade D, Wang, Xu, et al.
Created Date
2019

The open nature of the wireless communication medium makes it inherently vulnerable to an active attack, wherein a malicious adversary (or jammer) transmits into the medium to disrupt the operation of the legitimate users. Therefore, developing techniques to manage the presence of a jammer and to characterize the effect of an attacker on the fundamental limits of wireless communication networks is important. This dissertation studies various Gaussian communication networks in the presence of such an adversarial jammer. First of all, a standard Gaussian channel is considered in the presence of a jammer, known as a Gaussian arbitrarily-varying channel, but with …

Contributors
Hosseinigoki, Fatemeh, Kosut, Oliver, Zhang, Junshan, et al.
Created Date
2019

When consumers find that something critically out of the ordinary has occurred, they direct attention to evaluate such a critical incident more closely. The results of this evaluation may put consumers on a switching path or it might lead them to engage in unfavorable behaviors from the perspective of the organization, such as engaging in negative word-or-mouth online. The negative consequences of some product (goods or services) failures go beyond simple product attribute defects, leading customers to terminate the relationship with the organization. This dissertation, which is composed of three essays, investigates how consumers engage in negative word-of-mouth on social …

Contributors
Chung, Myunghun Myunghun, Bolton, Ruth N, Mandel, Naomi, et al.
Created Date
2019

This dissertation develops a heuristic—one I call the iterative narrative reflection framework—for rhetorically engaged, data-driven teacherly theory building using Kenneth Burke’s frames of acceptance and rejection. Teacher-scholars regularly develop curricula and lesson plans informed by theory and prior experience, but the daily practice of teaching and learning with students rarely plays out as expected. In many cases, institutional constraints and the unpredictable lives of students interact with teachers’ plans in surprising and sometimes confounding ways. Teachers typically make sense of such challenges by constructing post-hoc narratives about what happened and why, attributing motives and agencies to other participants in ways …

Contributors
Robinson, Rebecca Joanna, Long, Elenore, Rose, Shirley K, et al.
Created Date
2019

Collaborative piano education tends to discuss techniques of collaboration as primarily a musical skill. However, common understanding within the field regarding a collaborative pianist’s ability to work with others offers another aspect to this assumption. It goes without saying that pianists’ interpersonal skills largely affect with whom they will work, and how efficaciously pianists and their partners will work together. Correspondingly, how pianists work with others can directly affect the success or failure of the musical collaboration. The first intention of this paper is to explain why interpersonal skills are integral to the creation of quality musical outcomes and so-called …

Contributors
Cota, Mary Strobel, Campbell, Andrew, Ryan, Russell, et al.
Created Date
2019

Experienced mentor teachers that are prepared for the task of mentoring pre-service teachers are highly valued. Few studies in music education address the music teachers’ role of mentor or the music mentor’s perceptions and practices within the mentoring process. This study investigates the experiences and practices of music mentor teachers and how they construct an understanding of their mentoring role. Guiding questions were: 1) How do music teachers describe their mentoring experiences and practices? 2) What do music teachers’ descriptions of their mentoring experiences and practices reveal about their understanding of the mentoring role? and 3) What types of preparation …

Contributors
Vanderwerff, Marsha Marks, Schmidt, Margaret, Stauffer, Sandra, et al.
Created Date
2019

The study at hand investigated the effects of guidance and type of occlusion on the prediction of shot direction during a soccer penalty kick. Seventy participants took an online survey where they had to guess the direction of a penalty kick from the perspective of a goalkeeper. Half the participants were placed in a group where they had access to tips on what to look for, while the other group had no tips provided. Participants were shown videos in which the penalty shooter had their upper body covered or their lower body covered. Participants had 30 seconds to decide what …

Contributors
Cervantes, Ian, Gray, Robert, Cooke, Nancy, et al.
Created Date
2019

While the African American civil rights movement of the 1950s and 60s is one of the most famous and celebrated parts of American history, rhetoric scholars have illuminated the ways this subversive movement has been manipulated beyond recognition over time. These narrative constructions play a role in preserving what Maegan Parker Brooks calls the "conservative master narrative of civil rights history," a narrative that diminishes the work of activists while simultaneously promoting complacency to prevent any challenge to the white supremacist hegemony. This dissertation argues that the graphic memoir trilogy March by John Lewis, Andrew Aydin, and Nate Powell challenges …

Contributors
Boykin, Jessica, Miller, Keith D, Lamp-Fortuno, Kathleen, et al.
Created Date
2019

This study evaluates the use of plant-extracted silica solution as a bio-based grout material for improvement of granular soils. Although silicate grout is a very well-established and popular technique in the ground improvement market, efforts have been initiated to replace chemically-synthesized silicate grout with plant-extracted silica grout. This initiative will increase the level of sustainability and consequently improve the existing market acceptability. The silica-rich plant source used for extraction was rice husk, which is an abundantly produced agricultural waste. The extraction method includes acid-leaching, temperature-controlled rice husk ash production and the preparation of an aqueous sodium silicate solution from the …

Contributors
Sayed Mostafa, Ahmad, Zapata, Claudia, Khodadaditirkolaei, Hamed, et al.
Created Date
2019

Understanding intratumor heterogeneity and their driver genes is critical to designing personalized treatments and improving clinical outcomes of cancers. Such investigations require accurate delineation of the subclonal composition of a tumor, which to date can only be reliably inferred from deep-sequencing data (>300x depth). The resulting algorithm from the work presented here, incorporates an adaptive error model into statistical decomposition of mixed populations, which corrects the mean-variance dependency of sequencing data at the subclonal level and enables accurate subclonal discovery in tumors sequenced at standard depths (30-50x). Tested on extensive computer simulations and real-world data, this new method, named model-based …

Contributors
Ahmadinejad, Navid, Liu, Li, Maley, Carlo, et al.
Created Date
2019

This research summarizes the characterization of the constituent materials of a unidirectional composite for use in a finite element model. Specifically the T800s-F3900 composite from Toray Composites, Seattle, WA. Testing was carried out on cured polymer matrix provided by the manufacturer and single fiber specimen. The material model chosen for the polymer matrix was MAT 187 (Semi-Analytical Model for Polymers) which allowed for input of the tension, compression, and shear load responses. The matrix was tested in tension, compression, and shear and was assumed to be isotropic. Ultimate strengths of the matrix were found to be 10 580 psi in …

Contributors
Robbins, Joshua, Rajan, Subramaniam, Mobasher, Barzin, et al.
Created Date
2019

While artificial intelligence (AI) has seen enormous technical progress in recent years, less progress has occurred in understanding the governance issues raised by AI. In this dissertation, I make four contributions to the study and practice of AI governance. First, I connect AI to the literature and practices of responsible research and innovation (RRI) and explore their applicability to AI governance. I focus in particular on AI’s status as a general purpose technology (GPT), and suggest some of the distinctive challenges for RRI in this context such as the critical importance of publication norms in AI and the need for …

Contributors
Brundage, Miles, Guston, David, Keeler, Lauren, et al.
Created Date
2019

This dissertation investigates the mechanisms that lead to fouling, as well as how an understanding of how these mechanisms can be leveraged to mitigate fouling. To limit fouling on feed spacers, various coatings were applied. The results showed silver-coated biocidal spacers outperformed other spacers by all measures. The control polypropylene spacers performed in-line with, or better than, the other coatings. Polypropylene’s relative anti-adhesiveness is due to its surface free energy (SFE; 30.0 +/- 2.8 mN/m), which, according to previously generated models, is near the ideal SFE for resisting adhesion of bacteria and organics (~25 mN/m). Previous research has indicated that …

Contributors
Rice, Douglas, Perreault, Francois, Abbaszadegan, Morteza, et al.
Created Date
2019

Serial femtosecond crystallography (SFX) with X-ray free electron lasers (XFELs) has enabled the determination of damage-free protein structures at ambient temperatures and of reaction intermediate species with time resolution on the order of hundreds of femtoseconds. However, currently available XFEL facility X-ray pulse structures waste the majority of continuously injected crystal sample, requiring a large quantity (up to grams) of crystal sample to solve a protein structure. Furthermore, mix-and-inject serial crystallography (MISC) at XFEL facilities requires fast mixing for short (millisecond) reaction time points (𝑡"), and current sample delivery methods have complex fabrication and assembly requirements. To reduce sample consumption …

Contributors
Echelmeier, Austin, Ros, Alexandra, Levitus, Marcia, et al.
Created Date
2019

This research document focuses on rarely performed piano transcriptions. A total of 28 works are discussed. These works have high artistic value and should not be forgotten by pianists. Most of the transcribers are renowned pianists, such as Harold Bauer and Alfred Cortot, or composers themselves. Unfortunately, these works are seldom played in today's public concerts, or on online resources such as YouTube, Vimeo, or iTunes. Some people may think these works are neglected because the scores are hard to find, but they can be easily obtained online. Pianists around the world can access these scores in just a few …

Contributors
Huang, Kuang-Li, Meir, Baruch, Campbell, Andrew, et al.
Created Date
2019

Students at High Achieving Schools (HASs) have recently been identified as an at-risk population, and excessive pressure to excel is considered the cause of this maladjustment. However, the specific aspects of pressure that lead to these outcomes have yet to be comprehensively explored. In two schools, one public and one independent, this study examined multiple constructs potentially implicated: feelings of pressure to succeed from different sources (parents, teachers, coaches, the self, and friends) and total felt pressure. Also considered are dimensions of being overextended across commitments, including hours of sleep, homework, and levels of associated strain and enjoyment. These indices …

Contributors
Benoit, Renee, Luthar, Suniya, Infurna, Frank, et al.
Created Date
2019

Urban heat is a growing problem that impacts public health, water and energy use, and the economy and affects population subgroups differently. Exposure and sensitivity, two key factors in determining vulnerability, have been widely researched. This dissertation focuses on the adaptive capacity component of heat vulnerability at the individual, household, and community scale. Using a mixed methods approach and metropolitan Phoenix as a test site, I explored how vulnerable communities understand and adapt to increasing extreme urban heat to uncover adaptive capacity that is not being operationalized well through current heat vulnerability frameworks. Twenty-three open-ended interviews were conducted where residents …

Contributors
Guardaro, Melissa Mitten, Redman, Charles L, Hondula, David M, et al.
Created Date
2019

It is well known that radiative heat transfer rate can exceed that between two blackbodies by several orders of magnitude due to the coupling of evanescent waves. One promising application of near-field thermal radiation is thermophotovoltaic (TPV) devices, which convert thermal energy to electricity. Recently, different types of metamaterials with excitations of surface plasmon polaritons (SPPs)/surface phonon polaritons (SPhPs), magnetic polaritons (MP), and hyperbolic modes (HM), have been studied to further improve near-field radiative heat flux and conversion efficiency. On the other hand, near-field experimental demonstration between planar surfaces has been limited due to the extreme challenge in the vacuum …

Contributors
Sabbaghi, Payam, Wang, Liping, Phelan, Patrick, et al.
Created Date
2019

Fractal analyses examine variability in a time series to look for temporal structure or pattern that reveals the underlying processes of a complex system. Although fractal property has been found in many signals in biological systems, how it relates to behavioral performance and what it implies about the complex system under scrutiny are still open questions. In this series of experiments, fractal property, movement kinematics, and behavioral performance were measured on participants performing a reciprocal tapping task. In Experiment 1, the results indicated that the alpha value from detrended fluctuation analysis (DFA) reflected deteriorating performance when visual feedback delay was …

Contributors
Nguyen, Tri Duc, Amazeen, Eric L, Glenberg, Arthur M, et al.
Created Date
2019

Point of Load (POL) DC-DC converters are increasingly used in space applications, data centres, electric vehicles, portable computers and devices and medical electronics. Heavy computing and processing capabilities of the modern devices have ushered the use of higher battery supply voltage to increase power storage. The need to address this consumer experience driven requirement has propelled the evolution of the next generation of small form-factor power converters which can operate with higher step down ratios while supplying heavy continuous load currents without sacrificing efficiency. Constant On-Time (COT) converter topology is capable of achieving stable operation at high conversion ratio with …

Contributors
Joshi, Omkar, Bakkaloglu, Bertan, Kitchen, Jennifer, et al.
Created Date
2019

The purpose of this research is to create a new piano reduction of Carl Nielsen’s Flute Concerto. Danish composer Carl Nielsen was born in 1865 and died in 1931. His compositional focus on orchestral writing made him renowned for his symphonies and concerti for flute and clarinet. Today his concerti are often performed by both professional musicians and students. The first published piano reduction of the Flute Concerto was issued in 1952 by the composer’s son-in law, Emil Telmányi, who was a Hungarian violinist and conductor. This reduction was published by Samfundet til Udgivelse af Dansk Musik. In 2003, as …

Contributors
Lee, Juhyun, Campbell, Andrew, Ryan, Russell, et al.
Created Date
2019

Despite the increasing number of Asian international students in the United States, American society remains discriminatory against the population. Asian international students are exposed to ethnic-racial discrimination against Asians, as well as language discrimination against non-native English speakers. The purpose of this study was to examine whether the two types of discrimination relate to Asian international students’ regard, which refers to their positive or negative evaluations about Asians in American society. It was hypothesized that language discrimination, a particularly relevant form of discrimination for non-native English-speaking immigrants, will be associated with public and private regard, after controlling for ethnic-racial discrimination …

Contributors
Park, Jimin, Tran, Alisia G.T., Yoo, Brandon H.C., et al.
Created Date
2019

Social categories such as race and gender are associated by people with certain characteristics (e.g. males are angry), which unconsciously affects how people evaluate and react to a person of specific social categories. This phenomenon, referred to as implicit bias, has been the interest of many social psychologists. However, the implicit bias research has been focusing on only one social category at a time, despite humans being entities of multiple social categories. The research also neglects the behavioral contexts in which implicit biases are triggered and rely on a broad definition for the locus of the bias regulation mechanism. These …

Contributors
Rheem, Hansol, Becker, D. Vaughn, Craig, Scotty D., et al.
Created Date
2019

The objectives of this research project were to develop a model of real power demand from a dc fast charging station both with and without an integrated battery energy storage system (BESS). An optimal deterministic control strategy was devel-oped to perform load-shaping under various scenarios with various load-shaping goals in mind to establish the value for BESS’s with various power and energy capacities. To achieve these objectives, first a statistical model of electric vehicle drivers’ charging behaviors (home charging and dc fast charging) was constructed and simu-lated according to empirical charging data and several key findings about people’s charging habits …

Contributors
Deng, Qian, Tylavsky, Daniel J, Wu, Meng, et al.
Created Date
2019

The main aim of this thesis is to study the Saudi Arabia designers level of awareness about sustainable interior materials and to what extent are Saudi Arabia designers specifying sustainable interior materials in their interior designs? The problem statement relies on understanding how does this may impact the Saudi Arabia environment. In order to comply with these objectives, a telephone interviews were built, to test the designer’s knowledge about sustainable interior materials. The results showed that the Saudi Arabia interior designers are not fully aware of sustainable interior materials and there is a lack of interest in applying sustainable interior …

Contributors
alotibi, arig, Bender, Diane, Takamura, John, et al.
Created Date
2019

A growing body of literature has sought to explain the nature and effects of conflict-related sexualized violence. However, a critical problem that persists concerns why wartime rape varies both within and across conflicts. Political science literature mainly addresses these questions of variation in sexualized violence through group-level or structural explanations. Yet, clear patterns of combatant non-participation in conflict-related sexualized violence is apparent, even in cases where sexual violence is severe and pervasive. What allows one combatant to refrain, while another combatant, even within the same combat unit, perpetrates sexualized violence? In this dissertation, I argue that critical differences concerning attitudes, …

Contributors
Williamson, Holly, Kittilson, Miki, Lake, Milli, et al.
Created Date
2019

The efficiency of spacecraft’s solar cells reduces over the course of their operation. Traditionally, they are configured to extract maximum power at the end of their life and not have a system which dynamically extracts the maximum power over their entire life. This work demonstrates the benefit of dynamic re-configuration of spacecraft’s solar arrays to access the full power available from the solar panels throughout their lifetime. This dynamic re-configuration is achieved using enhancement mode GaN devices as the switches due to their low Ron and small footprint. This work discusses hardware Implementation challenges and a prototype board is designed …

Contributors
Heblikar, Anand N, Kitchen, Jennifer, Bakkaloglu, Bertan, et al.
Created Date
2019

ABSTRACT To remain competitive on local, state, and national levels and to achieve future economic and social goals, Imperial and Yuma County need an educated workforce. The primary industries supporting the desert region are technical, science, technology, enginnering and mathematics (STEM)-based, and require a highly skilled and educated workforce. There continue to be vast disparities in terms of numbers of students declared and enrolled in STEM transfer degree programs and the number of students completing STEM bachelor’s degrees. Perceptions regarding post-secondary education start to develop at a young age and can prevent or enable a student’s development of post-secondary aspirations. …

Contributors
Hodges, Tanya Marie, Bernstein, Katie, Dyer, Penny, et al.
Created Date
2019

This study explores positivist and Indigenous research paradigms as they relate to Indigenous language reclamation. Paradigms, as defined by Kuhn (2012) describe verifiable epistemological approaches that can be utilized in providing solutions for researchers and practitioners. Moreover, in the modern realm of academia, research paradigms are the keystones of research. Nevertheless, when a Eurocentric paradigm such as positivism is utilized in an Indigenous space, it can lead to further colonial trauma. Thus, through an analysis of the philosophical components from the two paradigms this study proposes a paradigmatic pivot in how linguistic students approach research. The purpose of recommending this …

Contributors
Dillard, S, van Gelderen, Elly, Quintero, Henry, et al.
Created Date
2019

Flaviviruses (FVs) are among the most medically important arboviruses of the world with the Dengue virus (DENV) accounting for a large percentage of infections observed in tropical and subtropical regions of the world. Globalization, travel, and the expanding range of mosquito vectors, such as Aedes aegypti, have increased the potential of infection rates and illnesses associated with FVs. The DENV and the Zika (ZIKV) FVs frequently co-circulate and generally cause mild self-liming febrile illnesses. However, a secondary infection with a heterologous DENV serotype may lead to life threatening dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS). DHF/DSS have been …

Contributors
Esqueda, Adrian, Chen, Qiang, Arntzen, Charles, et al.
Created Date
2019

Two-dimensional (2D) transition metal dichalcogenides (TMDCs) like molybdenum disulfide (MoS2) and tungsten disulfide (WS2) are effective components in optoelectronic devices due to their tunable and attractive electric, optical and chemical properties. Combining different 2D TMDCs into either vertical or lateral heterostructures has been pursued to achieve new optical and electronic properties. Chemical treatments have also been pursued to effectively tune the properties of 2D TMDCs. Among many chemical routes that have been studied, plasma treatment is notable for being rapid and versatile. In Wang’s group earlier work, plasma treatment of MoS2 and WS2 resulted in the formation of MoO3 and …

Contributors
Chen, Mu-Tao, Wang, Qing Hua, Green, Alexander, et al.
Created Date
2019

The utilization of multimedia videos has increasingly become more popular, especially in the field of education. In order to facilitate learning it is important to create a natural interaction between the learner and the on-screen material. This study focused on improving the facilitation of the information within a multimedia learning video by focusing on the gender and quality of computer-synthesized voices. Using a randomized pretest - posttest design the study looked at how the gender of the narrator affected a person's ability to learn and implement a new task. Narration was performed by a male and female, classic and modern …

Contributors
Lefevre, Maryssa Renee, Craig, Scotty, Roscoe, Rod, et al.
Created Date
2019

Moderate physical activity, such as walking and biking, positively affects physical and mental health. Outdoor thermal comfort is an important prerequisite for incentivizing an active lifestyle. Thus, extreme heat poses significant challenges for people who are outdoors by choice or necessity. The type and qualities of built infrastructure determine the intensity and duration of individual exposure to heat. As cities globally are shifting priorities towards non-motorized and public transit travel, more residents are expected to experience the city on their feet. Thus, physical conditions as well as psychological perception of the environment that affect thermal comfort will become paramount. Phoenix, …

Contributors
Dzyuban, Yuliya, Redman, Charles L., Coseo, Paul J., et al.
Created Date
2019

Electro-Selective Fermentation (ESF) combines Selective Fermentation (SF) and a Microbial Electrolysis Cell (MEC) to selectively degrade carbohydrate and protein in lipid-rich microalgae biomass, enhancing lipid wet-extraction. In addition, saturated long-chain fatty acids (LCFAs) are produced via β-oxidation. This dissertation builds understanding of the biochemical phenomena and microbial interactions occurring among fermenters, lipid biohydrogenaters, and anode respiring bacteria (ARB) in ESF. The work begins by proving that ESF is effective in enhancing lipid wet-extraction from Scenedesmus acutus biomass, while also achieving “biohydrogenation” to produce saturated LCFAs. Increasing anode respiration effectively scavenges short chain fatty acids (SCFAs) generated by fermentation, reducing electron …

Contributors
Liu, Yuanzhe, Rittmann, Bruce E, Torres, Cesar I, et al.
Created Date
2019

Disasters represent disruptions to stability and offer lessons about how climate adaptation is negotiated and acted on. Viewing adaptation as a negotiation helps understand recovery not just as actions taken to minimize harm, but a reflection of values and motivations surrounding adaptation. This research elicits these perspectives and considers them as part of an ongoing agreement for disaster recovery and adaptation in Puerto Rico. Previous research has characterized recovery as an opportunity for rethinking societal arrangements for climate adaptation and highlights the importance of how adaptation is conceptualized across actors. This study builds on past research by using distinct perspectives …

Contributors
Ortiz, Jessica, Manuel-Navarrete, David, Klinsky, Sonja, et al.
Created Date
2019

Vehicular automation and autonomy are emerging fields that are growing at an exponential rate, expected to alter the very foundations of our transportation system within the next 10-25 years. A crucial interaction has been born out this new technology: Human and automated drivers operating within the same environment. Despite the well- known dangers of automobiles and driving, autonomous vehicles and their consequences on driving environments are not well understood by the population who will soon be interacting with them every day. Will an improvement in the understanding of autonomous vehicles have an effect on how humans behave when driving around …

Contributors
Reagan, Taylor Jordan, Cooke, Nancy J, Chiou, Erin, et al.
Created Date
2019

While Lynn White’s 1967 article, The Historical Roots of Our Ecologic Crisis, ignited a firestorm of controversy regarding the relationship between religion, particularly Christianity, and the environment, the testing of White’s hypothesis, that Christians are anthropocentric and anti-environment, has produced results that are significantly less clear. Additionally, little research has been conducted with experts in the field of Christianity, the clergy, adding to already significant gaps in the literature. The current research study helps fill that gap by providing the perspective of clergy on the relationship between Christianity and the environment. This qualitative study uses in-depth interviews to assess the …

Contributors
Samples, Samantha, Crewe, Katherine, Cook, Edward, et al.
Created Date
2019

Air pollution has been linked to various health problems but how different air pollutants and exposure levels contribute to those diseases remain largely unknown. Researchers have mainly relied on data from government air monitoring stations to study the health effects of air pollution exposure. The limited information provided by sparse stations has low spatial and temporal resolution, which is not able to represent the actual exposure of individuals. A tool that can accurately monitor personal exposure provides valuable data for epidemiologists to understand the relationship between air pollution and certain diseases. It also allows individuals to be aware of any …

Contributors
Lin, Chenwen, Tao, Nongjian, Borges, Chad R, et al.
Created Date
2019

Although child welfare services are anticipated, in part, to lessen the negative influence of maltreatment on childhood and adolescent development, there is evidence that involvement in the foster care system negatively affects adolescent substance use. Within the literature, limited empirical research has emerged in regard to this issue. The present study aims to fill this critical gap in the literature by examining the association between baseline biological, psychological, and social risk and protective factors on adolescent involvement in substance use, and frequency of substance use, over a period of 24 months for foster care involved youth. Furthermore, the present study …

Contributors
Craig, Tyleia Odessia, Roosevelt, Stacia S, Chamberlain, Alyssa W, et al.
Created Date
2019

In 1976 Florynce R. Kennedy, a United States lawyer, activist, speaker, and author famously stated that “anybody with the brains and energy to become a teacher ought to want to become something better.” With these stigmas surrounding the teaching profession, it becomes a wonder that anybody decides to become a teacher, or even more difficult, stay in the profession. The state of Arizona, specifically, has reached landmark attrition rates and dissatisfaction surrounding lack of education funding. The stories of those leaving have been well publicized over the last year, but what about those who choose to stay? This dissertation examines …

Contributors
Luszeck, Amanda, Blasingame, James, Durand, Elizabeth S, et al.
Created Date
2019

Signal compressed using classical compression methods can be acquired using brute force (i.e. searching for non-zero entries in component-wise). However, sparse solutions require combinatorial searches of high computations. In this thesis, instead, two Bayesian approaches are considered to recover a sparse vector from underdetermined noisy measurements. The first is constructed using a Bernoulli-Gaussian (BG) prior distribution and is assumed to be the true generative model. The second is constructed using a Gamma-Normal (GN) prior distribution and is, therefore, a different (i.e. misspecified) model. To estimate the posterior distribution for the correctly specified scenario, an algorithm based on generalized approximated message …

Contributors
Alhowaish, Abdulhakim, Richmond, Christ D, Papandreou-Suppappola, Antonia, et al.
Created Date
2019

Lifespan psychological perspectives have long suggested the context in which individuals live having the potential to shape the course of development across the adult lifespan. Thus, it is imperative to examine the role of both the objective and subjective neighborhood context in mitigating the consequences of lifetime adversity on mental and physical health. To address the research questions, data was used from a sample of 362 individuals in midlife who were assessed on lifetime adversity, multiple outcomes of mental and physical health and aspects of the objective and subjective neighborhood. Results showed that reporting more lifetime adversity was associated with …

Contributors
Staben, Omar E, Infurna, Frank J., Luthar, Suniya S., et al.
Created Date
2019

The purpose of this case study was to explore the barriers, or constraints, to the integration of field-based environmental education (EE) programs in K-8 public elementary schools in Phoenix, Arizona. Research continues to show that field based EE programs improve student outcomes (Bartosh, Tudor, Ferguson, & Taylor, 2006; Cole, 2007; James and Williams, 2017). Despite the empirical evidence, there appear to be obstacles to integrating field based EE into school curriculum. This study used Hierarchical Leisure Constraints Theory (HLCT) to identify and understand these constraints. There were 22 focus group participants and 13 interviewees from ten different schools and five …

Contributors
Coco, Virginia A, Andereck, Kathleen, Hultsman, Wendy, et al.
Created Date
2019

Transportation plays a significant role in every human's life. Numerous factors, such as cost of living, available amenities, work style, to name a few, play a vital role in determining the amount of travel time. Such factors, among others, led in part to an increased need for private transportation and, consequently, leading to an increase in the purchase of private cars. Also, road safety was impacted by numerous factors such as Driving Under Influence (DUI), driver’s distraction due to the increase in the use of mobile devices while driving. These factors led to an increasing need for an Advanced Driver …

Contributors
Balaji, Venkatesh, Karam, Lina J, Papandreou-Suppappola, Antonia, et al.
Created Date
2019

In undergraduate music curricula, the subjects of music theory and applied music are typically taught separately, with little connection made between them. As a result, students may compartmentalize their knowledge instead of applying it to the music they work on in the studio. This lack of connection can especially affect students studying the tuba, an instrument seldom represented in music theory textbooks and classrooms. This project proposes a way to use the applied tuba studio as a vehicle for a more integrated approach to music theory. Following a first-semester curriculum from Steven G. Laitz’s textbook, The Complete Musician: An Integrated …

Contributors
Margolis, Robert, Swoboda, Deanna, Holbrook, Amy, et al.
Created Date
2019

This thesis investigated the effects of differing diameters and varying moisture content on the flowability properties of granular glass beads through use of a Freeman FT4 Powder Rheometer. These parameters were tested in order to construct an empirical model to predict flowability properties of glass beads at differing size ranges and moisture contents. The final empirical model outputted an average error of 8.73% across all tested diameters and moisture ranges. Mohr's circles were constructed from experimentally-obtained shear stress values to quantitatively describe flowability of tested materials in terms of a flow function parameter. A high flow function value (>10) was …

Contributors
Kleppe, Cameron, Emady, Heather, Marvi, Hamidreza, et al.
Created Date
2019

For more than 100 years, the Unite States National Park Service (NPS) has been guided by a mandate to preserve parks and their resources for the enjoyment of present and future generations. But all parks are subject to conditions that may frustrate preservation efforts. Climate change is melting the glaciers. Rising seas are sweeping away protected shorelines. Development projects, accompanied by air, water, light, and noise pollution, edge closer to parks and fragment habitats. The number of visitors and vested interests are swelling and diversifying. Resources for preservation, such as funds and staff, seem to be continuously shrinking, at least …

Contributors
Sullivan Govani, Michelle Kathleen, Minteer, Ben A, Budruk, Megha, et al.
Created Date
2019

This thesis draws on industry experience and academic literature to highlight several problems facing the construction and facility management industries. These problems include issues with product delivery performance and financial failures that often lead firms to spend much more than anticipated, while obtaining much less of a product. Transaction-cost economics theory and literature are presented as a model for understanding, predicting, and preventing these problems. Transaction-cost economics suggests that specificity and uncertainty, two key characteristics of industry transactions, are improperly aligned with governance structures, leading to preventable failures. This thesis highlights several case studies in which these failures occur and …

Contributors
Rice, Michael Lafayette, Sullivan, Kenneth, Stone, Brian, et al.
Created Date
2019

The autonomous vehicle technology has come a long way, but currently, there are no companies that are able to offer fully autonomous ride in any conditions, on any road without any human supervision. These systems should be extensively trained and validated to guarantee safe human transportation. Any small errors in the system functionality may lead to fatal accidents and may endanger human lives. Deep learning methods are widely used for environment perception and prediction of hazardous situations. These techniques require huge amount of training data with both normal and abnormal samples to enable the vehicle to avoid a dangerous situation. …

Contributors
Bashetty, Sai Krishna, Fainkeos, Georgios, Amor, Heni Ben, et al.
Created Date
2019

Two-dimensional quantum materials have garnered increasing interest in a wide variety of applications due to their promising optical and electronic properties. These quantum materials are highly anticipated to make transformative quantum sensors and biosensors. Biosensors are currently considered among one of the most promising solutions to a wide variety of biomedical and environmental problems including highly sensitive and selective detection of difficult pathogens, toxins, and biomolecules. However, scientists face enormous challenges in achieving these goals with current technologies. Quantum biosensors can have detection with extraordinary sensitivity and selectivity through manipulation of their quantum states, offering extraordinary properties that cannot be …

Contributors
Tran, Michael, Tongay, Sefaattin, Green, Matthew, et al.
Created Date
2019

In order for a robot to solve complex tasks in real world, it needs to compute discrete, high-level strategies that can be translated into continuous movement trajectories. These problems become increasingly difficult with increasing numbers of objects and domain constraints, as well as with the increasing degrees of freedom of robotic manipulator arms. The first part of this thesis develops and investigates new methods for addressing these problems through hierarchical task and motion planning for manipulation with a focus on autonomous construction of free-standing structures using precision-cut planks. These planks can be arranged in various orientations to design complex structures; …

Contributors
Kumar, Kislay, Srivastava, Siddharth, Zhang, Yu, et al.
Created Date
2019

Transcriptions and arrangements of works originally written for other instruments have greatly expanded the guitar’s repertoire. This project focuses on a new arrangement of the Suite in A Minor by Élisabeth Jacquet de la Guerre (1665–1729), which originally was composed for harpsichord. The author chose this work because the repertoire for the guitar is critically lacking in examples of French Baroque harpsichord music and also of works by female composers. The suite includes an unmeasured harpsichord prelude––a genre that, to the author’s knowledge, has not been arranged for the modern six-string guitar. This project also contains a brief account of …

Contributors
Sewell, David, Koonce, Frank, Rotaru, Catalin, et al.
Created Date
2019

The secret Facebook group ////sads only/// was formed in October 2015 to provide a safe space for women and trans and nonbinary people to express their emotions, a sort of digital support group. Members can post individually about things happening in their lives, comment on other members’ posts with advice or support, and contribute to discussion threads. Common subject matters include mental health, relationships, sexuality, gender identity, friendships, careers, family, art, education, and body image. The group’s location on Facebook adds to its utility – it can be an alternative site of community-making and communication, away from the often toxic, …

Contributors
Koerth, Kimberly, Ward, Mako, Anderson, Lisa, et al.
Created Date
2019

There are many inconsistencies in the literature regarding how to estimate the Lyapunov Exponent (LyE) for gait. In the last decade, many papers have been published using Lyapunov Exponents to determine differences between young healthy and elderly adults and healthy and frail older adults. However, the differences in methodologies of data collection, input parameters, and algorithms used for the LyE calculation has led to conflicting numerical values for the literature to build upon. Without a unified methodology for calculating the LyE, researchers can only look at the trends found in studies. For instance, LyE is generally lower for young adults …

Contributors
Smith, Victoria, Lockhart, Thurmon E, Spano, Mark L, et al.
Created Date
2019

The division of household tasks has been studied extensively over the past fifty years, but there are unanswered questions about why partners still report imbalances. In this study, I employed a grounded theory research design to systematically collect and analyze data from newly cohabitating, dual-earner couples to generate theory. Three prominent theories (relative resources, time availability and gender ideology) served as the framework for this research. The purpose of this study was to expose the processes of meaning-making, interpretations and decision-making regarding divisions of housework and to determine if, and if so how, dissymmetry in household tasks are understood. My …

Contributors
Taylor, Jameien R, Alberts, Janet, Manninen, Bertha, et al.
Created Date
2019

It remains unquestionable that space-based technology is an indispensable component of modern daily lives. Success or failure of space missions is largely contingent upon the complex system analysis and design methodologies exerted in converting the initial idea into an elaborate functioning enterprise. It is for this reason that this dissertation seeks to contribute towards the search for simpler, efficacious and more reliable methodologies and tools that accurately model and analyze space systems dynamics. Inopportunely, despite the inimical physical hazards, space systems must endure a perturbing dynamical environment that persistently disorients spacecraft attitude, dislodges spacecraft from their designated orbital locations and …

Contributors
WASWA, PETER, Redkar, Sangram, Rogers, Bradley, et al.
Created Date
2019

Research findings have shown that many computerized maintenance management systems (CMMS) are largely underutilized, often leading to the loss of efficiencies in the organization’s maintenance program. A literature review is presented of the available research in CMMS and of operations and management roles in a maintenance program. In addition, research was conducted around CMMS users to identify if any misalignments exist between management and operations. The articles selected for review offer a variety of perspectives, considerations, instructions, and noted failures involved with implementation, day to day use and reporting expectations. Through conducting a survey of both management and operations this …

Contributors
Rennert, Andrew William, Sullivan, Kenneth, Stone, Brian, et al.
Created Date
2019

Fusion proteins that specifically interact with biochemical marks on chromosomes represent a new class of synthetic transcriptional regulators that decode cell state information rather than deoxyribose nucleic acid (DNA) sequences. In multicellular organisms, information relevant to cell state, tissue identity, and oncogenesis is often encoded as biochemical modifications of histones, which are bound to DNA in eukaryotic nuclei and regulate gene expression states. In 2011, Haynes et al. showed that a synthetic regulator called the Polycomb chromatin Transcription Factor (PcTF), a fusion protein that binds methylated histones, reactivated an artificially-silenced luciferase reporter gene. These synthetic transcription activators are derived from …

Contributors
Vargas, Daniel A., Haynes, Karmella, Wang, Xiao, et al.
Created Date
2019

Due to the rapid penetration of solar power systems in residential areas, there has been a dramatic increase in bidirectional power flow. Such a phenomenon of bidirectional power flow creates a need to know where Photovoltaic (PV) systems are located, what their quantity is, and how much they generate. However, significant challenges exist for accurate solar panel detection, capacity quantification, and generation estimation by employing existing methods, because of the limited labeled ground truth and relatively poor performance for direct supervised learning. To mitigate these issue, this thesis revolutionizes key learning concepts to (1) largely increase the volume of training …

Contributors
Hashmy, Syed Muhammad Yousaf, Weng, Yang, Sen, Arunabha, et al.
Created Date
2019

New communication technologies have undoubtedly altered the ways in which persons interact and have had a profound impact on public life. Engaging this impact, much of the scholarly literature has focused on how these interfaces mediate interaction however, less is known about technology's modulating effects. The current project moves beyond mediation, underscoring how social relations are not only activated by technology, but are actuated by these interfaces. Through an extended case study of Portals, gold shipping containers equipped with audio-visual technology that put persons in digital face-to-face interaction with others around the globe, the current project engages such actuation, highlighting …

Contributors
Ferderer, Brandon Boyd, Brouwer, Daniel C., McHugh, Kevin, et al.
Created Date
2019

Understanding how microorganisms adapt and respond to the microgravity environment of spaceflight is important for the function and integrity of onboard life support systems, astronaut health and mission success. Microbial contamination of spacecraft Environmental Life Support Systems (ECLSS), including the potable water system, are well documented and have caused major disruption to spaceflight missions. The potable water system on the International Space Station (ISS) uses recycled wastewater purified by multiple processes so it is safe for astronaut consumption and personal hygiene. However, despite stringent antimicrobial treatments, multiple bacterial species and biofilms have been recovered from this potable water system. This …

Contributors
King, Olivia Grace, Nickerson, Cheryl, Barrila, Jennifer, et al.
Created Date
2019

Adolescents experience a lot of stress from changes and difficulties in their physical appearance and their relationships—affecting their mental and emotional well-being as well as their family's relationships and functioning. Research has shown that family music therapy has been fairly successful in helping both children and adolescents and their families improve their communication and mutual attunement while encouraging self-expression in the child and teenager. However, the literature focuses mainly on families with children ages 10 and under, at-risk families, and non-clinical families. Little focus in the research literature is given to adolescents and their mental and emotional health concerns. The …

Contributors
Lott, Sophie Norah, Belgrave, Melita, Hernandez Ruiz, Eugenia, et al.
Created Date
2019

The grand transition of electric grids from conventional fossil fuel resources to intermittent bulk renewable resources and distributed energy resources (DERs) has initiated a paradigm shift in power system operation. Distributed energy resources (i.e. rooftop solar photovoltaic, battery storage, electric vehicles, and demand response), communication infrastructures, and smart measurement devices provide the opportunity for electric utility customers to play an active role in power system operation and even benefit financially from this opportunity. However, new operational challenges have been introduced due to the intrinsic characteristics of DERs such as intermittency of renewable resources, distributed nature of these resources, variety of …

Contributors
He, Mingyue, Khorsand, Mojdeh, Vittal, Vijay, et al.
Created Date
2019

For most of human history hunting has been the primary economic activity of men. Hunted animals are valued for their food energy and nutrients, however, hunting is associated with a high risk of failure. Additionally, large animals cannot be consumed entirely by the nuclear family, so much of the harvest may be shared to others. This has led some researchers to ask why men hunt large and difficult game. The “costly signaling” and “show-off” hypotheses propose that large prey are hunted because the difficulty of finding and killing them is a reliable costly signal of the phenotypic quality of the …

Contributors
Bishop, Andrew, Hill, Kim, Boyd, Robert, et al.
Created Date
2019

This study explores the processes of designing strategies. The context of this research is scoped to the direct-marketing activities of small farm operators in eastern Iowa. The research intent is to explore and articulate trends in decision-making processes that assist small farm operators in eastern Iowa with direct marketing farm-to-table products, to explore and articulate how the design process creates differentiated value, and to explore and articulate the relationship between the design process and the way that small farm operators in eastern Iowa conceptualize their direct-marketing strategies. The research design takes a post-positivist approach and uses a grounded theory methodology. …

Contributors
Larew, Hart, Brooks, Kenneth R., Cheng, Chingwen, et al.
Created Date
2019

Background: Effective glucose management using exercise modalities in older patients with type 2 diabetes and activities of daily living (ADL) disabilities are unknown. Purpose: The study investigated the acute effects of motor-assisted cycling and functional electrical stimulation (FES) cycling on the 2-h postprandial glucose responses compared with sitting control in older adults with type 2 diabetes and ADL disabilities. Methods: The study used a 3×3 crossover study design. Nine participants were randomly assigned to one of the three treatment sequences: ABC, BCA, and CAB. (A, motor-assisted cycling; B, FES cycling; C, sitting control). Linear mixed models (LMM) with Bonferroni post-hoc …

Contributors
ma, tongyu, Lee, Chong, Hooker, Steven, et al.
Created Date
2019

The goal of any solar photovoltaic (PV) system is to generate maximum energy throughout its lifetime. The parameters that can affect PV module power output include: solar irradiance, temperature, soil accumulation, shading, encapsulant browning, encapsulant delamination, series resistance increase due to solder bond degradation and corrosion and shunt resistance decrease due to potential induced degradation, etc. Several PV modules together in series makes up a string, and in a power plant there are a number of these strings in parallel which can be referred to as an array. Ideally, PV modules in a string should be identically matched to attain …

Contributors
Tahghighi, Arash, Tamizhmani, Govindasamy, Rogers, Bradley, et al.
Created Date
2019

The increasing availability of experimental data and computational power have resulted in increasingly detailed and sophisticated models of brain structures. Biophysically realistic models allow detailed investigations of the mechanisms that operate within those structures. In this work, published mouse experimental data were synthesized to develop an extensible, open-source platform for modeling the mouse main olfactory bulb and other brain regions. A “virtual slice” model of a main olfactory bulb glomerular column that includes detailed models of tufted, mitral, and granule cells was created to investigate the underlying mechanisms of a gamma frequency oscillation pattern (“gamma fingerprint”) often observed in rodent …

Contributors
Birgiolas, Justas, Crook, Sharon M, Gerkin, Richard C, et al.
Created Date
2019