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Characteristics Of Award-Winning Children’S Books About Agriculture: An Analysis Of Content, And The Perspectives Of Authors, Illustrators, And Publishers, Addison L. Beckham
Characteristics Of Award-Winning Children’S Books About Agriculture: An Analysis Of Content, And The Perspectives Of Authors, Illustrators, And Publishers, Addison L. Beckham
Graduate Theses and Dissertations
The purpose of this two-article qualitative study was to characterize children's literature about agriculture and to describe the perceptions of authors and illustrators who are responsible for writing and designing these successful publications. This will result in the ability of organizations like Feeding Minds Press to provide writers, illustrators, and publishers with effective strategies and techniques to improve the accuracy and overall quality of children’s literature about agriculture. Few parameters exist for authors of children’s books about agriculture (Biser, 2007). These parameters are necessary to ensure the quality and accuracy of these educational efforts (Serafini, 2012). Though Feeding Minds Press …
3d Printed Microdialysis-Based Microsampling Probes, Patrick Pysz
3d Printed Microdialysis-Based Microsampling Probes, Patrick Pysz
Graduate Theses and Dissertations
This work will show the development of a fully 3D printed device platform in which a complex microsampling probe geometry is fabricated in a simple two-step process. This process includes the combination of 2-photon polymerization (2PP) and masked-stereolithography (MSLA). The cutting edge neurotechnology needed to monitor brain internal communication and will require multiple sensing modalities including temperature, pressure, electrophysiological, and optogenetics. Microsampling is an integrally important function for any future biosensing device platform as it allows for chemical delivery and unparalleled specificity through offline analysis of collection samples. Stereolithography (SLA) 3D printing has emerged as a powerful fabrication method capable …
Examining The Hormonal Underpinnings Of Affiliation Motivation In Oral Contraceptive Users, Hormonal Iud Users, And Naturally Cycling Women, Mikayla Tolliver
Examining The Hormonal Underpinnings Of Affiliation Motivation In Oral Contraceptive Users, Hormonal Iud Users, And Naturally Cycling Women, Mikayla Tolliver
Graduate Theses and Dissertations
Affiliation is important for women during times of stress. Although, affiliation has been linked to women’s hormones across the menstrual cycle, many women use hormonal contraceptives which disrupt the links between hormones, psychology, and behavior. This study examined how hormonal contraceptives (hormonal IUD vs. the oral contraceptive pill) and menstrual cycle phase (follicular vs. luteal) are associated with affiliative motivations following the Trier Social Stress Test (TSST). Further, this study examined women’s cortisol reactivity and whether cortisol reactivity mediated affiliative motivation following the stressor. I found that oral contraceptive pill users projected more stress and rejection onto others’ faces and …
Evaluation Of Oxyfluorfen For Use In Roxy Rice, Casey Hunter Arnold
Evaluation Of Oxyfluorfen For Use In Roxy Rice, Casey Hunter Arnold
Graduate Theses and Dissertations
Mid-southern U.S. rice (Oryza sativa L.) producers are challenged every year to control problematic barnyardgrass [Echinochloa crus-galli (L.) Beauv.] and weedy rice (Oryza sativa L.) because they have evolved resistance to most labeled herbicides. Oxyfluorfen is a Herbicide Resistance Action Committee (HRAC)/Weed Science Society of America (WSSA) Group 14 herbicide that inhibits protoporphyrinogen oxidase within the plant. Currently, there are no HRAC/WSSA Group 14 herbicides labeled for barnyardgrass or weedy rice control in midsouthern rice production. Therefore, oxyfluorfen is being evaluated for barnyardgrass and weedy rice control. Plant breeders at the University of California – Davis were able to breed …
A Simulated Qualitative Study Exploring Higher Education Faculty's Perceptions Of Factors That Influence Dynamic Decision-Making When Choosing Opportunities For Student Engagement In Asynchronous Online Courses, Leticia De La Garza
Graduate Theses and Dissertations
The purpose of this study was to explore higher education faculty’s perceptions of factors that influence dynamic decision-making when choosing opportunities for student engagement in asynchronous online courses. More specifically, this study sought to understand how faculty in higher education perceived these factors to prevent and facilitate dynamic decision-making when designing instructor presence, student-to-student collaboration, and student-to-academic content engagement opportunities in asynchronous online courses, as Garrison et al. (1999) suggest, for a community of inquiry. There has not been much focus on the dynamic decision-making of online instructors in higher education and a call to continue exploring factors that influence …
Testing And Implementation Of Attitude Determination & Control System For Arksat-1 Cubesatellite, Cassandra Sands
Testing And Implementation Of Attitude Determination & Control System For Arksat-1 Cubesatellite, Cassandra Sands
Graduate Theses and Dissertations
ARKSAT-1 is a CubeSatellite (CubeSat) developed at the University of Arkansas and launched to the International Space Station on SpaceX mission SPX-27 launching from Kennedy Space Center as part of the NASA’s 8th CubeSat Launch Initiative CSLI-8. ARKSAT-1’s payload features a high-powered LED, the Solid State Inflatable Balloon (SSIB) deorbiting system applicable to small satellites, and a series of InfraRed and Visible cameras. To point the LED or take images of desired observational targets, the spacecraft will need to be able to determine its orientation within its orbit, as well as rotate. This will be achieved through the use of …
Social Media And Mental Health: The Public Health Impact And Future Policy Directives, Renae A. Merrill
Social Media And Mental Health: The Public Health Impact And Future Policy Directives, Renae A. Merrill
Graduate Theses and Dissertations
The relationship between social media use among young people and the increasing concerns of mental health problems in the U.S. and globally is on systemic agendas. Furthermore, research on social media use and mental health indicate reasons to suspect a causal relationship, but more work needs to be done. Therefore, this three-article dissertation seeks to explore (1) associations between social media use, personality, and depression; (2) associations between social media emotional support, anxiety, and personality; and (3) the relationship between social media use and mental health using Deborah Stone’s causal stories framework. Findings from this study provide an improved understanding …
A Generic Qualitative Inquiry Of The Challenges For Black African American Men Who Have Experienced Trauma, Randall Lee Maurice Shakir
A Generic Qualitative Inquiry Of The Challenges For Black African American Men Who Have Experienced Trauma, Randall Lee Maurice Shakir
Graduate Theses and Dissertations
Black African American Men (BAAM) suffer disproportionately from trauma related challenges and have a higher risk of encountering trauma across the lifespan. The negative impact of trauma is a major public health concern in the United States, evidence suggests trauma negatively impacts the physical well-being, mental health, and mortality rate. BAAM have increased rates of trauma exposure and their traumatic experience is historically complex involving a variety of contemporary issues (i.e. Adverse Childhood Experiences (ACEs), depression, victimization and desensitization, stress). This research aims to explore the complex nature of their trauma-related challenges among a purposeful sample of BAAM participants in …
From The Arab World To The United States Of America: The Wellness Of Arab Graduate Women Studying In The U.S., Mariam Mostafa
From The Arab World To The United States Of America: The Wellness Of Arab Graduate Women Studying In The U.S., Mariam Mostafa
Graduate Theses and Dissertations
The pursuit of higher education symbolizes a profound and transformative journey, particularly for international students who embark on the path of studying abroad. This dissertation undertakes an in-depth exploration of the well-being of Arab women pursuing their graduate studies in the United States (US), emphasizing four crucial dimensions of wellness: social, mental/emotional, physical, and financial well-being. Employing a qualitative research methodology, this study delves into the multifaceted experiences of this specific student population and investigates how these experiences impact them. Through a series of interviews and rigorous qualitative analysis, we illuminate the distinct challenges and opportunities that Arab graduate students …
Examining The Relationship Between Student Age And Modality Choice In A Community College’S New Student Orientation Program: A Preregistered Study To Examine The Assumption Of Self-Directed Learning, Amy L. Foree
Graduate Theses and Dissertations
Abstract Understanding and navigating college rules, resources, and expectations is a considerable barrier for students accessing and transitioning to college (Conley, 2007; Williams, 1996; Hooker & Brand, 2010; Ardoin, 2013; Sheppard, 2012). To improve students’ acquisition of pertinent, time-sensitive information, many institutions have implemented mandatory new student orientations (NSO). Orientations provide information such as academic policies and procedures, institutional expectations, campus resources, and financial aid assistance. They also allow students to meet faculty, staff, and other new students. By providing these resources, institutions acclimate students to their new environment. Although colleges realize that new student orientations support students’ success, they …
Human-Bat Interactions In A Disease Emergence Hotspot: Implications For Human Health And Bat Conservation, Reilly Tempest Jackson
Human-Bat Interactions In A Disease Emergence Hotspot: Implications For Human Health And Bat Conservation, Reilly Tempest Jackson
Graduate Theses and Dissertations
Bats are an ecologically important taxon that can host zoonotic pathogens. Globally, many bat species are synanthropic and live closely with humans, often roosting in man-made structures. The spatial overlap between humans and bats creates opportunities for human-bat contact, which can lead to human exposure to bat-borne pathogens and conflicts that cause bat mortality. Despite this risk, little is known about the drivers and characteristics of these human-bat interactions in buildings and work is needed to understand this aspect of the wildlife-urban interface. In Chapter I, I present a literature review that identifies the geographic and taxonomic trends in reported …
Age, Size, And Composition Of Selected Old-Growth Shortleaf Pine Stands In The Upper Buffalo River, Arkansas, Willa Avery Thomason
Age, Size, And Composition Of Selected Old-Growth Shortleaf Pine Stands In The Upper Buffalo River, Arkansas, Willa Avery Thomason
Graduate Theses and Dissertations
Shortleaf pine (Pinus echinata) approaches the westernmost limits of its range in the Arkansas Ozarks. Despite heavy logging of shortleaf pine throughout its range during the 19th and 20th centuries, the species was not easily accessible for harvest and transportation in the most rugged areas of the Boston Mountains and, as a result, there are a few extant stands of old-growth shortleaf pine in the region. The shortleaf pine stands in the interior Boston Mountains are unusual in that they exist primarily above bluff lines at topographic breaks in the hardwood canopy and are not disturbed by fire as frequently …
This Is A Man’S World: The Lived Gendered Experiences Of Blues People., Anthony Christopher Brown
This Is A Man’S World: The Lived Gendered Experiences Of Blues People., Anthony Christopher Brown
Graduate Theses and Dissertations
American Blues is known for playing a role in the foundation of the country’s music. The ingredient of the musical tradition has roots going back to West Africa and was brought to the United States through the of transatlantic slave trade. During the period of slavery, it formally developed with plantation work songs which later continued after emancipation with sharecropping until the early to mid-twentieth century. During the early twentieth century, W.C. Handy in Tutwiler, Mississippi, and musicians formally popularized Blues music were being recorded. The first Blues superstars were women such as Ida Cox, Bessie Smith, and Ma Rainey …
Health Beneficial Effects Of Black Raspberry, Blueberry, And Blackberry Volatile Extracts In Lung And Colon, Inah Gu
Graduate Theses and Dissertations
Berries are one of the most consumed fruits in our diet, and rich in dietary fiber, vitamins, minerals, polyphenols, and volatiles. Volatiles are responsible for the aroma of berries, and are widely used in food, perfumery, and cosmetic industries. However, the potential health beneficial effects of berry volatiles have not been extensively studied. Recently, we found that berry volatiles from cranberries, black and red raspberries, strawberries, blueberries, and blackberries have an anti-inflammatory effect on inflamed murine macrophage cells. Since inflammation can develop into many chronic diseases, and berry volatiles can be inhaled or consumed and pass through the lungs or …
The Impact Of The First Language Transfer On English Language Syntax For Arab Esl Students At Private Language Center In Mid-Size University Town, Mohammed A. S. Abdalhadi
The Impact Of The First Language Transfer On English Language Syntax For Arab Esl Students At Private Language Center In Mid-Size University Town, Mohammed A. S. Abdalhadi
Graduate Theses and Dissertations
This study investigated the Impact of the First Language Transfer on English Language Syntax for Arab ESL Students at Private Language Center in Mid-Size University Town. The research population was 12 participants from Spring International Language Center through Intensive English Program and 7 participants from Adult Education center. The writing samples and interview were the main two instruments to analyze the data. I used constructive Analysis (CA), Error Analysis (EA), and coding to analyze the writing samples and the interview. The study focused on the syntax transfer between Arabic L1 and English L2, so Adjective/noun order, Subject/verb order, Number/numbered order, …
Amyloid Fibrils Of Human Fgf-1 Induced By Different Detergents, Zeina Ismael Ibrahem Alraawi
Amyloid Fibrils Of Human Fgf-1 Induced By Different Detergents, Zeina Ismael Ibrahem Alraawi
Graduate Theses and Dissertations
Nature achieves molecular self-assembly through the ordered growth of nanoscale building blocks with high efficiency to fabricate macromolecular architectures. One example of self- assembly is peptides folding onto protein is one of the most astounding biological self-assembly processes. When proteins aggregate to form amyloid fibers, the secondary structure of the protein converts from its native state to a cross-beta-sheet. Fibroblast growth factors (FGFs) possess an essential role in neuronal survival during development. In addition, they are involved in neural stem cell (NSC) proliferation. Fibroblast growth factors (FGFs) are well known to be synthesized in the central nervous system (CNS) and …
Reliability Modeling And Improvement Of Critical Infrastructures: Theory, Simulation, And Computational Methods, José Carlos Hernández Azucena
Reliability Modeling And Improvement Of Critical Infrastructures: Theory, Simulation, And Computational Methods, José Carlos Hernández Azucena
Graduate Theses and Dissertations
This dissertation presents a framework for developing data-driven tools to model and improve the performance of Interconnected Critical Infrastructures (ICIs) in multiple contexts. The importance of ICIs for daily human activities and the large volumes of data in continuous generation in modern industries grant relevance to research efforts in this direction. Chapter 2 focuses on the impact of disruptions in Multimodal Transportation Networks, which I explored from an application perspective. The outlined research directions propose exploring the combination of simulation for decision-making with data-driven optimization paradigms to create tools that may provide stakeholders with optimal policies for a wide array …
Adoption And Continued Use Of Irrigation Management Practices In Arkansas, Evelyn Osei
Adoption And Continued Use Of Irrigation Management Practices In Arkansas, Evelyn Osei
Graduate Theses and Dissertations
The paper assesses row crop producers continued use of irrigation management practices, namely the decision to continue rather than stop the use of irrigation practices, using a probit with a sample selection model. To better explain and increase user acceptance, we must understand why producers adopt and continue using irrigation management practices. Past studies have researched the adoption of management practices. However, it is also essential to consider what factors influence continued use and why producers discontinue irrigation practices after adoption. This is the first study to investigate factors influencing the continued use of irrigation management practices in Arkansas. Producers …
Patterns In Winter Stonefly Distribution Along A River Continuum And Land-Use Gradient In Northwest Arkansas Streams, Zachary Tipton
Patterns In Winter Stonefly Distribution Along A River Continuum And Land-Use Gradient In Northwest Arkansas Streams, Zachary Tipton
Graduate Theses and Dissertations
Freshwater ecosystems are facing a crisis with extinction rates of aquatic species exceeding those of their terrestrial counterparts by up to fivefold. This decline is predominantly attributed to evolving land use patterns within watersheds, leading to chemical and physical transformations in freshwater habitats. Northwest Arkansas (NWA) represents one of the fastest-growing regions in the United States, undergoing substantial shifts in land use. Consequently, the status of aquatic life in this region remains uncertain. Addressing this concern, the latest Arkansas Wildlife Action Plan emphasizes the necessity of distribution and population data to guide conservation efforts for Species of Greatest Conservation Need …
A Mixed-Methods Exploration Of Emergency Service Use In Autistic Youth And Young Adults, Rebecca S. Bradley
A Mixed-Methods Exploration Of Emergency Service Use In Autistic Youth And Young Adults, Rebecca S. Bradley
Graduate Theses and Dissertations
Autistic youth are at an increased risk for needing emergency services as compared to neurotypical peers. In fact, approximately 20% of autistic youth will interact with police by the age of 21, and rates of emergency department visits are 30 – 70% higher among autistic individuals than neurotypical peers. While research has begun to explore the nature of emergency service use in this group, researchers have not yet assessed important individual-, family-, and community-level factors that may be associated with these encounters. This study aimed to address this gap in the field by 1) characterizing families of autistic children who …
Habitat Associations Of Plains Spotted Skunk (Spilogale Interrupta) Across The Plains Ecoregion. And The Landcover Occupancy Models Of The Gray Fox (Urocyon Cinereoargenteus) In The Southeastern Plains Region In Arkansas, Michael Shaw
Graduate Theses and Dissertations
Much of the landscape of the United States has been altered by humans, leading to the eradication of most populations of large mammalian predators. Consequently, many species of mammalian mesopredators (medium-sized mammalian predators) have come to dominate the landscape. Species such as the gray fox (Urocyon cinereoargenteus) may appear to be on the rise and doing well due to their widespread range, but at a local scale may need monitoring and less is known in areas of its range. Others such as the plains spotted skunk have a wide range across the plains but are on the decline even with …
Scaffolding Strategies That Benefit And Support Adult English As A Foreign Language Reading Comprehension: A Literature Review, Walkiris Mejia Ortega
Scaffolding Strategies That Benefit And Support Adult English As A Foreign Language Reading Comprehension: A Literature Review, Walkiris Mejia Ortega
Graduate Theses and Dissertations
The poor reading proficiency and the lack of reading comprehension strategies have been a major flaw for adult university learners in English as a Foreign Language (EFL) contexts, particularly in the case of English majors at the School of Foreign Languages in the Autonomous University of Santo Domingo, Dominican Republic. Research has shown this reading gap can be improved through suitable instructional strategies and assistance referred to as scaffolding. The purpose of this literature review was to investigate how beneficial scaffolding is for EFL adults´ reading comprehension, which scaffolding strategies prove effective in supporting EFL reading comprehension, and how those …
Ism-Band Energy Harvesting Wireless Sensor Node, Fnu Naveed
Ism-Band Energy Harvesting Wireless Sensor Node, Fnu Naveed
Graduate Theses and Dissertations
In recent years, the interest in remote wireless sensor networks has grown significantly, particularly with the rapid advancements in Internet of Things (IoT) technology. These networks find diverse applications, from inventory tracking to environmental monitoring. In remote areas where grid access is unavailable, wireless sensors are commonly powered by batteries, which imposes a constraint on their lifespan. However, with the emergence of wireless energy harvesting technologies, there is a transformative potential in addressing the power challenges faced by these sensors. By harnessing energy from the surrounding environment, such as solar, thermal, vibrational, or RF sources, these sensors can potentially operate …
The Needs That Instagram Satisfies For People Seeking News & How This Displaces Time Spent With Traditional Media, Madeleine Dunn
The Needs That Instagram Satisfies For People Seeking News & How This Displaces Time Spent With Traditional Media, Madeleine Dunn
Graduate Theses and Dissertations
This paper examines how the current climate of mainstream media is changing, and how this may affect journalistic norms and practices. There are many outlets for consumers to receive news, including traditional media, such as television news, newspapers, magazines, etc. There is also social media. The future of mainstream media outlets, like television stations, newspapers, magazines and radio stations, seems to depend on the growing use of social media sites for the use of getting news. This research will focus on Instagram as an alternative to traditional media, and why people prefer to use this outlet to get their news. …
The Study Of The Polarization Domains Of Mbe-Grown Barium Titanate Thin Films And Nanodots Using Pfm, Mohammad Zamani-Alavijeh
The Study Of The Polarization Domains Of Mbe-Grown Barium Titanate Thin Films And Nanodots Using Pfm, Mohammad Zamani-Alavijeh
Graduate Theses and Dissertations
Polarization domains are the fundamental elements in ferroelectric materials that contribute to their properties. A natural polarization domain, which possesses a specific polarization direction or state, typically ranges in size from one unit cell to a few micrometers. Therefore, studying polarization domains requires the fabrication of materials and the measurement of ferroelectric properties at the nanoscale. In this study, molecular beam epitaxy (MBE) is employed to fabricate barium titanate (BTO) crystals, and piezoresponse force microscopy (PFM) is used to measure the properties of polarization domains at the nanoscale. In the beginning, this study identifies the reflection of high-energy electron diffraction …
Airbnb Valuation: A Machine Learning Approach, Katherine Wyatt
Airbnb Valuation: A Machine Learning Approach, Katherine Wyatt
Graduate Theses and Dissertations
This thesis uses a geospatially-enhanced, machine learning approach to investigate variations in rental success on the peer-to-peer property sharing website Airbnb.com. Geographic factors, listing attributes and amenities, customer response metrics, and host attributes are included in decision tree modeling to predict the short-term probability of receiving a review. The most important variables in increasing model accuracy are assessed and variations in the importance of these variables investigated using Shapley values.
The Alumni Base Holds The Institution In Their Heart: Alumni Decision Making And Communication Strategies During University Leadership Change, Brandy Cox Jackson
The Alumni Base Holds The Institution In Their Heart: Alumni Decision Making And Communication Strategies During University Leadership Change, Brandy Cox Jackson
Graduate Theses and Dissertations
The purpose of the research was to understand how alumni executives make decisions and formulate communication strategies during university leadership change. The research was based on the trends found by the American Council on Education that the tenure of the college president has been on the decline since 2006 and is currently 5.9 years. Multiple factors have been identified in the literature that have led to this decline. The research focused on the largest constituency of most universities, its alumni base, and provides context and a description of decision making and communication strategies for alumni executives navigating leadership change. The …
Trojan Detection Expansion Of Structural Checking, Zachary Chapman
Trojan Detection Expansion Of Structural Checking, Zachary Chapman
Graduate Theses and Dissertations
With the growth of the integrated circuit (IC) market, there has also been a rise in demand for third-party soft intellectual properties (IPs). However, the growing use of such Ips makes it easier for adversaries to hide malicious code, like hardware Trojans, into these designs. Unlike software Trojan detection, hardware Trojan detection is still an active research area. One proposed approach to this problem is the Structural Checking tool, which can detect hardware Trojans using two methodologies. The first method is a matching process, which takes an unknown design and attempts to determine if it might contain a Trojan by …
Tree-Ring Reconstruction Of Ouachita River Streamflow, Keaton Cade Jenkins-Joyce
Tree-Ring Reconstruction Of Ouachita River Streamflow, Keaton Cade Jenkins-Joyce
Graduate Theses and Dissertations
The Ouachita River drains the Ouachita Mountains and Upper Coastal Plain in Arkansas and Louisiana. The Ouachita River is used for navigation, power generation, recreation, water supply, and wastewater treatment. The river has been prone to low flows during drought and extreme flooding, which were principal justifications for the construction of three large multipurpose dams on the stream. It is likely that the use of the Ouachita River will be stressed by future population growth, economic expansion, and climate change. For this study, tree-ring chronologies from various locations in and near the Ouachita River drainage basin were used to reconstruct …
Tissue-Engineered Models For Investigating Nerve Infiltration In Fibrotic Microenvironments, Nikolas Ala-Kokko
Tissue-Engineered Models For Investigating Nerve Infiltration In Fibrotic Microenvironments, Nikolas Ala-Kokko
Graduate Theses and Dissertations
Neuron infiltration is involved in a multitude of diseased states and is critical in the regeneration of physiologic conditions. Modeling of innervation in three-dimensional, heterogenous, environments would allow early investigation in the crosstalk of neurons and native cells in normal and pathophysiologic microenvironments to gain an understanding of mechanistic functions. This would allow for greater insight into the role of metabolism, cell adhesion, microenvironmental alternations, cellular crosstalk, and signaling pathways that play a role in the promotion and prevention of neurite growth. In this thesis, with the construction of collagen-based hydrogels as the foundation for cell culture, we investigate cell …