Digital Commons Network^™

Disease And De Soto: A Bioarchaeological Approach To The Introduction Of Malaria To The Southeast Us, Kelly Marie Schaeffer

Graduate Theses and Dissertations

It is well known through documentation in historical accounts that numerous diseases were introduced to the Americas during the time of Spanish and French exploration. Diseases such as smallpox, measles and yellow fever have been credited in playing a role in the Spanish conquest of the New World through drastic Native American population decline. Many researchers have studied the biological consequences of European contact, some using direct skeletal analyses to study changes in Native American health and disease. However, one major population disease that has not been part of these discussions is malaria. This is mostly due to the current …

Interactions Between The Protein Industry And Blogs: An Analysis Of Content And Perceptions, Kylie Hackworth

Graduate Theses and Dissertations

This thesis contains two articles that describe and characterize the use of the social media platform of blogging in the context of the animal agriculture and protein industry. The first article used content analysis to analyze blog posts and look for themes throughout the posts. This study included 37 posts from ten authors and resulted in four recurrent themes. The major themes were environment, consumption of protein, alternative protein source, and alternative dieting. The tones regarding these themes were both negative and positive toward the protein industry.

The second article used hand-coding to look for themes and similarities concerning flow …

Preparation And Evaluation Of Single-Stranded Dna Aptamer-Based Immunological Adjuvant In Broiler Chickens, Adil Sabr Al-Ogaili

Graduate Theses and Dissertations

Mineral oils and metal salts are commonly used as adjuvants to enhance acquired immunity. Recently, monoclonal antibodies (MAbs) and recombinant peptides agonist CD40 receptor have shown remarkable promise for induction of rapid and robust immune responses. Limitations of this approach MAb production costs and multiple administrations due to anti-MAb immune responses. Here we demonstrate the development of a unique and sophisticated DNA aptamer-based alternative for CD40-directed delivery of universal antigens as an alternative in chickens, and potentially other vertebrate species. This receptor, expressed by antigen-presenting cells, acts as a costimulatory molecule for activated T helper lymphocytes. After initially selecting for …

Sastra Buruh Migran Indonesia: Crossing Borders And Proposing A New Concept Of Indonesian Domestic Workers, Tri Murniati

Graduate Theses and Dissertations

In recent years, Indonesian migrant women who seek employment as domestic workers in foreign countries have caught the Indonesian reading public’s attention with their novels, short stories, poems, and non-fiction writings. Creative work by migrant domestic workers was established as a genre when Denok Kanthi Rokhmatika, a domestic worker who works in Hong Kong published her collection of short stories Negeri Elok nan Keras dimana Kami Berjuang (Beautiful and Tough Country where We Struggle) in 2002 (Insani and Raihan iii). The publication marks the birth of a new genre, which has become known as “Sastra Buruh Migran Indonesia” (Indonesian migrant …

To And Through College: Investigating Attitudes Towards, Enrollment In, And Graduation From College, Elise Swanson

Graduate Theses and Dissertations

Postsecondary access and degree completion are increasingly important concerns for individuals and policymakers. This dissertation presents evidence on three distinct strategies for increasing students’ level of preparedness for higher education, rates of postsecondary enrollment, and rates of postsecondary degree completion. The first is an intervention aimed at increasing eighth-grade students’ familiarity with college life. Results from an experimental study indicate that students assigned to participate in campus visits demonstrate higher levels of knowledge about college, are more likely to have conversations with school personnel about college, put forth higher levels of effort while completing a college-related survey, and express a …

Social Class And Social Networks: How Sociocultural Upbringing Affects Organizational Social Networks, Jacqueline Tilton

Graduate Theses and Dissertations

Organizations are a key venue where individuals from different backgrounds have the opportunity to interact and yet we know very little about how social class background shapes interactions within the workplace. There is reason to believe that the differing value systems of social class groups influence their attitudes and behavior towards workplace connections and relationship formation. This article considers how social class background affects organizational social networks as well as the class-distinct values and attitudes that shape networking behavior of employees. To study this phenomena, I analyze a sample of 490 employees from a broad range of roles and organizations …

Baptizing Shakespeare, Na'tosha De'von Barron

Graduate Theses and Dissertations

In this thesis I will be discussing my process in preparing and performing the role of Lady Macbeth, and how I used the parallels of the King James Bible to approach the text. I will show how this method will allow theatre people to teach Shakespeare to African Americans in a way that will become second nature to grasp. I will include the events of the play, my character analysis, intake on the rehearsal process, production photos, resume, headshot, program, and a link to my website.

Maternal Criticism: Reading Two Middle Eastern Women Writers As Nonviolent Peace Activism, Charlyn Marie Ingwerson

Graduate Theses and Dissertations

This dissertation advocates for reading the literatures of two Middle Eastern women writers through a Maternal Critical lens that recognizes the demands of universal vulnerability in characters who resist violence, and responds in Maternal communities of Readers that connect readers to characters, readers to writers, and readers to other readers, carrying the struggle for equity forward. My unfolding argument, centered on Maternal Critical activity in the novels of Palestinian writer Sahar Khalifeh and Israeli writer Ronit Matalon, demonstrates how literature by these Middle Eastern women is part of a narrative context of women’s peacemaking and resistance to violence, a part …

Painting The Leaky Pipeline Pink: Girl Branded Media And The Promotion Of Stem, Juniper Patel

Graduate Theses and Dissertations

This thesis provides a critical feminist analysis of girl branded media depictions of girls in STEM. Through close textual analysis of three case studies—Disney Fairies films, Barbie: Dreamhouse Adventures, and My Little Pony: Equestria Girls media—I found that such STEM promotion tends to emphasize traditional gender roles and neoliberal market values. Disney Fairies films promote traditional gender roles via portrayals of play STEM, white hegemony, and western beauty standards. Additionally, these films promote the neoliberal ideal of industrialization as consequence free. Dreamhouse Adventures depicts STEM in relation to traditional gender norms such as caretaking, heteronormativity, and girl culture. Furthermore, this …

Implications Of Rice Cultivar Selection To Optimize Returns From Crop Insurance, David Ethan Branscum

Graduate Theses and Dissertations

Rice production differs from most other field crops by distinct differences in yields across cultivars and rice producers being paid for yield after post-harvest milling. Using eleven years (2003-2013) of Arkansas harvest data from performance trials in six different locations, hybrids have 19% higher paddy yields and head rice yield rate 1.7% lower than conventional cultivars. Given the 2014 Farm Bill’s emphasis on crop insurance as a risk management tool for producers, these variations in yield among cultivars have significant implications for rice producers. Comparing national level, crop insurance data on corn, soybeans and rice indicates rice producers strongly prefer …

Targeting Sec61Α By Ipomoeassin F Leads To Highly Cytotoxic Effect, Zhijian Hu

Graduate Theses and Dissertations

Ipomoeassin F is a flagship congener of a resin glycoside family that inhibits growth of many tumor cell lines with only single-digital nanomolar IC50 values. However, biological and pharmacological mechanisms of ipomoeassin F have been undefined. To facilitate exploration of the biological and pharmacological properties, we performed sophisticate SAR (Structure–activity relationship) studies of ipomoeassin F to understand its pharmacophore and structure properties so that we can design favorable probes for further biological investigation. By applying appropriate deviates that possess fluorescent groups and similar bio-activity, the target protein was found to be localized in endoplasmic reticulum (ER). Through biotin affinity pull …

Costume Design For Shakespeare's "Macbeth", Melissa Rooney

Graduate Theses and Dissertations

The following thesis explains the process used to create the costume design for the production of Macbeth produced at the University of Arkansas Global Campus Theatre in the Spring of 2019. Throughout this thesis, I will explain the process by which the costumes went from initial research ideas to sketches and colored renderings and finally to fully realized three dimensional costumes. The design process included in this thesis includes an analysis of the play, inspirational collage, portrait gallery, research, renderings, production images, and an evaluation of the overall process.

Dominant Leadership Dynamics Of School Administrators Leading Non-Instructional Personnel, Michael Ewton

Graduate Theses and Dissertations

With the literature and many schools and school districts advocating for enhanced communication and engagement with parents, families, and the community at large, it is advisable that school-level administrators consider the manner in which they engage the non-instructional employees who serve their schools. This dissertation explores the dominant leadership dynamics experienced by high school principals responsible for supervising non-instructional support services and leading non-instructional operations personnel in their schools. Trained and expected to be instructional leaders, principals must still ensure their students receive the basic services necessary to maintain a safe and effective learning environment. Ensuring students receive the benefit …

Female Perspectives On Mountain Biking, Rebecca Irvin

Graduate Theses and Dissertations

This study strived to inquire about females’ perspectives of learning to mountain biking. Through an online survey, the present study explored the constraints (White, 2008) that keep women from trying the sport. Respondents (N=150) answered an online survey. Results of this study will be useful for outdoor education professionals, parks and recreation programming, cycling advocacy organizations, and any who make marketing materials for the outdoor industry. The study is designed to provide a description of the female perspectives regarding constraints and motivation towards learning to mountain bike.

Teaching Introductory Programming Concepts Through A Gesture-Based Interface, Lora Streeter

Graduate Theses and Dissertations

Computer programming is an integral part of a technology driven society, so there is a tremendous need to teach programming to a wider audience. One of the challenges in meeting this demand for programmers is that most traditional computer programming classes are targeted to university/college students with strong math backgrounds. To expand the computer programming workforce, we need to encourage a wider range of students to learn about programming.

The goal of this research is to design and implement a gesture-driven interface to teach computer programming to young and non-traditional students. We designed our user interface based on the feedback …

Effects Of Critical Reflection On University Students’ Cognitive Achievement In Agricultural Mechanization, Patterson P. Hilaire

Graduate Theses and Dissertations

Experiential learning continues to play a vital role in agricultural education and mechanization laboratories (Shoulders & Myers, 2013). An essential component of experiential learning is critical reflection. Critical reflection helps students process and construct meaning from laboratory experiences. A study conducted by Shoulders and Myers (2013) revealed that only 15.4% of the agricultural educators the researchers interviewed incorporated reflective practices laboratory experiences. The purpose of this study was to evaluate the effect of critical reflection on students’ achievement following five agricultural mechanization laboratory activities. The results from this study revealed that critical reflection had a consistently positive effect on immediate …

A Phenomenological Study Of The Lived Experiences Of Counseling Students In A Co-Facilitated Experiential Group, Alexandra Meyers

Graduate Theses and Dissertations

Research in the fields of experiential learning, group psychotherapy, and neuroscience has supported the inclusion of the experiential group in counseling training programs due to the potential for positive impact on students’ personal and professional development (Badenoch & Cox, 2010; Denninger, 2010). Investigations exploring counseling students’ experiences of the experiential group have been primarily limited to quantitative studies, while in-depth qualitative inquiry has been minimal. Additionally, an extensive review of the literature has found there have been no qualitative studies examining experiential groups co-facilitated by a course instructor and a doctoral student. The purpose of this phenomenological study was to …

Black Female Graduate Students' Experiences Of Racial Microaggressions At A Southern University, Kendra Elizabeth Shoge

Graduate Theses and Dissertations

Researchers have found that microaggressions can cause psychological distress, frustration, avoidance, confusion, resentment, hopelessness, and fear. Previous studies from Southern universities have addressed the adjustment experiences of Black women in graduate programs, obstacles faced by Black women in higher education and strategies to overcome those obstacles, and factors associated with Black student motivation and achievement. Discrimination and racism are factors identified in those studies, however, there is little research on the experiences of Black women in graduate programs and the impact of racial microaggressions on them.

The purpose of this study was to examine Black female graduate students’ experiences of …

Fertility Awareness Based Methods (Fabms): Evaluating And Promoting Female Interest For Purposes Of Health Monitoring And Family Planning, Amylynn Smith

Graduate Theses and Dissertations

Natural or fertility awareness-based methods (FABMs) help users monitor, interpret, and systematically chart female biological markers. FABMs are used as family planning methods and sometimes as reproductive health monitoring methods. The American College of Obstetricians and Gynecologists (ACOG) encourages medical professionals to use female reproductive cycle patterns, ‘the female fifth-vital sign’, as a means of improving the diagnosis and treatment of reproductive health diseases, disorders, and conditions. Patients need to have accurate knowledge of healthy and unhealthy cycle patterns. The general public does not have a sufficient level of fertility health knowledge. This study examined whether females that are interested …

Analysis And Conservation Of Native Forests At Kessler Mountain Fayetteville, Arkansas, Alan James Edmondson

Graduate Theses and Dissertations

Kessler Mountain in Fayetteville Arkansas has long been recognized for its beauty and natural resources. Parts of Kessler Mountain have been homesteaded and developed in the past, but most of the mountain has remained relatively undisturbed. The planned development of over 4,000 housing units to cover Kessler Mountain stimulated controversy and consideration of other management alternatives. A twist of fate involving an economic recession, a dedicated group of outdoor recreation enthusiasts, and environmental conservationists led to the permanent protection of 384 acres in the Kessler Mountain Regional Park. To help evaluate the natural resources at Kessler Mountain, forest composition, structure, …

Teacher Diversity Issues Among Hispanics And English Language Learners (Ells): Perspectives Of Administrators And Teachers In A Mid-South Town, Samantha Juncia Julien

Graduate Theses and Dissertations

Although the English Language Learner (ELL) student population is steadily increasing, the American teaching workforce remains mainly white and monolingual. This sector has yet to reflect the change in ELLs and teachers of color, who will be able to adequately provide culturally responsive instruction to these students. There is an urgent need to recruit and train teachers in culturally responsive pedagogy with the purpose of providing educational, cultural and social supports for the growing ELL population in the country (Farahnaz, 2012). Because of this, the American educational system is revamping some of its earlier pedagogical approaches, including the introduction of …

Assessment And Support For Basic Computer Skills At Community College Hispanic Serving Institutions In California, Jason Wayne Hough

Graduate Theses and Dissertations

This cross-sectional survey study was conducted to determine if California community colleges designated as Hispanic Serving Institutions (HSIs) assess incoming students for basic computer skills, provide learning support for these skills, as well as assess the attitude of administrators towards basic computer skills of incoming students. Prior published research documented the false assumption in higher education incoming students are “digital natives”, capable of effectively using technology expected on college campuses; however, there was no research focused on community colleges designated as HSIs. The study adds to the body of literature about the assessment of and support for basic computer skills …

The Perceived Occupational Benefits Of Competing In Technical Collegiate Competitions, Trenton James Lindbloom

Graduate Theses and Dissertations

Today’s workforce is more complex and demanding than ever before. In order to compete in today’s job market, students need to be equipped with complex problem solving skills and hands-on experience before graduation. While the formal classroom provides knowledge in basic skills and in some cases hands-on learning, this may not be enough to be competitive in industry. Students need to be engaged in practical situations in order to improve communication, acquire leadership abilities, and learn to work with others to solve problems and apply critical thinking skills. These skillsets are required by industry to be a productive employee in …

Evaluating The Efficacy Of Programs For Veteran Students, Jonathan Paul Lopez

Graduate Theses and Dissertations

Veteran students are increasingly prominent in U.S. colleges and universities. The transition from military to civilian life is already challenging, and the transition to the academic realm can be even more so, especially when most veteran students are also first-generation college students, transfer students from community colleges to 4-year universities, or both. The specific problem is that the transition from military to student life requires significant adjustment on the part of both veterans and schools, and it was not known how these students’ school leaders could best help these veteran students adjust. The purpose for conducting this quantitative, historical, non-experimental …

Leadership Succession And Onboarding Processes Of: Mid-West United States International Baccalaureate (Ib) Primary Years Program (Pyp) Schools, Mary Nandra Kay Campbell

Graduate Theses and Dissertations

The International Baccalaureate (IB) Primary Years Programme (PYP) model of education is unique and comprehensive, and so is the PYP principal. This qualitative study examined the perceptions of Mid-West United States IB PYP leaders related to leadership succession, the onboarding processes experienced by the new leaders, and the effective leadership traits possessed by the new leaders. This study involved a phenomenological study in nature. A criterion sampling approach was used to identify six participants of the study. A semi-structured interviewing protocol allowed elaboration by participants and to discover aspects not originally considered. The key findings included the following: lack of …

Daily To Seasonal Moisture Signals Present In Sub-Annual Tree-Ring Data, Ian Howard

Graduate Theses and Dissertations

In recent decades, there has been an increase in the development of sub-annual earlywood (EW) and latewood (LW) width tree-ring chronologies that have been used to make long-term inferences about discrete seasonal moisture variability for different regions of North America. This doctoral research developed a new network of EW, LW, and adjusted latewood (LWa) tree-ring chronologies from the western Great Plains. These chronologies were used to reconstruct 300+ years of spring and summer moisture variability over the northern and southern Plains. The reconstructions document new information about the long-term seasonal climate history of the Great Plains, including the unusual nature …

Political Speech On Twitter: A Sentiment Analysis Of Tweets And News Coverage Of Local Gun Policy, Mohamed Lemine M'Bareck

Graduate Theses and Dissertations

While the gun debate has been one of America’s most politically contentious issues, Twitter has become, in recent years a popular venue for politicians to carry out the debate. The present thesis is aimed at better understanding of political speech on Twitter, as well as the ways in which political frames and sentiment on Twitter differ from those of news media coverage regarding gun policy in the state of Arkansas.

The study uses framing theory, which assumes that both news media and individuals use frames to construct perceptions and narratives about issues. Adopting an automated content analysis as a method, …

Hardware Ip Classification Through Weighted Characteristics, Brendan Mcgeehan

Graduate Theses and Dissertations

Today’s business model for hardware designs frequently incorporates third-party Intellectual Property (IP) due to the many benefits it can bring to a company. For instance, outsourcing certain components of an overall design can reduce time-to-market by allowing each party to specialize and perfect a specific part of the overall design. However, allowing third-party involvement also increases the possibility of malicious attacks, such as hardware Trojan insertion. Trojan insertion is a particularly dangerous security threat because testing the functionality of an IP can often leave the Trojan undetected. Therefore, this thesis work provides an improvement on a Trojan detection method known …

Towards A Prototype Platform For Ros Integrations On A Ground Robot, Taylor Joseph Linville Whitaker

Graduate Theses and Dissertations

The intent of this work was to develop, evaluate, and demonstrate a prototype robot platform on which ROS integrations could be explored. With observations of features and requirements of existing industrial and service mobile ground robots, a platform was designed and outfitted with appropriate components to enable the most common operational-critical functionalities and account for unforeseen components and features. The resulting Arlo Demonstration Robot accommodates basic mapping, localization, and navigation in both two and three-dimensional space as well as additional safety and teleoperation features. The control system is centered around the Zybo Z7 FPGA SoC hosting a custom hardware design. …

H2 Control For Improved Stability Of Multi-Area Electric Power System With High Levels Of Inverter-Based Generation, Muthanna Abdulkareem Al-Sarray

Graduate Theses and Dissertations

Increased generation capacity from non-dispatchable energy resources such as wind and solar has created challenges to ensuring the reliable delivery of electric power. This research develops a systematic three-step method of assessing the reliability of electric power systems under a variety of different possible fault conditions to ensure that overall system stability is preserved in a manner the meets regulatory requirements. The first step is a risk-based reliability method (RBRM) that accounts for the probability of a line outage versus the severity of impact. This allows system planners to judiciously allocate expenses for reliability improvements based on the greatest economic …