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1,220 Matching Results
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Explicitly teaching five technical genres to English first-language adults in a multi-major technical writing course
In this article, the author reports the effects of explicitly teaching five technical genres to English first-language students enrolled in a multi-major technical writing course. Previous experimental research has demonstrated the efficacy of explicitly teaching academic writing to English first-language adults, but no comparable study on technical writing exists.
Date:
2014
Creator:
Boettger, Ryan K.
Object Type:
Article
System:
The UNT Digital Library
An Implementation of Consensus Through Bluetooth Communication
This thesis provides an implementation of consensus of multi-agent networked systems. Consensus problem is an important issue of distributed computing and has various algorithms and applications in the field of electronical and computer science. The consensus requests all nodes of a network reach an agreement over a certain measurement. An algorithm of convergent consensus problem is implemented through a small network of Bluetooth communication in the thesis. The connections of the Bluetooth devices are wireless, and the device nodes of the network are driven by C++ software and Winsock API. The simulation results show that the implementation completes all the requirements of the distributed consensus algorithm.
Date:
May 2014
Creator:
Wang, Yinan
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Communication through Mathematics: The Effects on Mathematic Reasonableness
Paper describes a study focused on the efficiency of using prescribed tools to aid in justification and reasonableness in solving mathematical problems.
Date:
2014
Creator:
Lopez, Lorraine
Object Type:
Article
System:
The UNT Digital Library
Delaying Evacuation: Risk Communication in Mobilizing Evacuees
Evacuation is oftentimes the best means to prevent the loss of lives when residents encounter certain hazards, such as hurricanes. Emergency managers and experts make great efforts to increase evacuation compliance but risk area residents may procrastinate even after making the decision to leave, thus complicating response activities. Purpose - This study explores the factors determining evacuees’ mobilization periods, defined here as, the delay time between the decision to evacuate and actual evacuation. The theoretical model that guides this research is built on the protective action decision model (PADM). It captures both the social and psychological factors in the process of transferring risk information to mobilization action. The psychological process of risk communication originates from personalized external information and ends with the formation of risk perception, ultimately influencing evacuees’ mobilizations. Design/methodology/approach – Using structural equation modeling (SEM), the model is tested using survey data collected from Hurricane Rita (2005) evacuees in 2006 (N = 897). The residents of three Texas coastal counties (Harris, Brazoria, and Galveston) are randomly selected and telephone-interviewed. Findings – The findings indicate that mobilizations are affected directly by respondents’ concerns of the threats to their personal lives and costs and dangers on their evacuation trips. The …
Date:
August 2014
Creator:
Li, Xiangyu
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Toward a Grounded Theory of Community Networking
This dissertation presents a preliminary grounded theory of community networking based on 63 evaluations of community networking projects funded by the National Telecommunications and Information Administration’s Technology Opportunities Program (TOP) between 1994 and 2007. The substantive grounded theory developed is that TOP projects differed in their contribution to positive outcomes for intended disadvantaged community beneficiaries based on the extent and manner in which they involved the disadvantaged community during four grant process phases: partnership building, project execution, evaluation, and close-out. Positive outcomes for the community were facilitated by using existing communication channels, such as schools, to connect with intended beneficiaries; local financial institutions to provide infrastructure to support local trade; and training to connect community members to jobs. Theoretical contributions include situating outcomes for disadvantaged communities within the context of the grant process; introducing the “vulnerable community” concept; and identifying other concepts and properties that may be useful in further theoretical explorations. Methodological contributions include demonstrating grounded theory as a viable method for exploring large text-based datasets; paving the way for machine learning approaches to analyzing qualitative data; and illustrating how project evaluations can be used in a similar fashion as interview data. Practical contributions include providing information to guide …
Date:
May 2014
Creator:
Masten-Cain, Kathryn
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Use of Social Media in Informal Scientific Communication Among Scholars: Modeling the Modern Invisible College
The concept of the invisible college is a key focus of scientific communication research with many studies on this topic in the literature. However, while such studies have contributed to an understanding of the invisible college, they have not adequately explained the interaction of social and structural processes in this phenomenon. As a consequence, past research has described the invisible college differently based on researchers’ perspectives, resulting in misinterpretations or inconsistent definitions of the relevant social and structural processes. Information science and related disciplines have focused on the structural processes that lead to scholarly products or works while placing less emphasis on the social processes. To advance understanding of the invisible college and its dimensions (including both social processes and structural processes), a proposed model (Modern Invisible College Model, MICM) has been built based on the history of the invisible college and Lievrouw’s (1989) distinction between social and structural processes. The present study focuses on the social processes of informal communication between scholars via social media, rather than on the structural processes that lead to scholarly products or works. A developed survey and an employed quantitative research method were applied for data collection. The research population involved 77 scholars from …
Date:
May 2014
Creator:
Algarni, Mohammed Ayedh
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Integrative Model of eHealth Communication: a Study of 18-30 Year Old College Students
eHealth is commonly defined as health services and information provided through the Internet and related technologies. Health educators have taken advantage of Internet and social media venues to disseminate health information essential to health risk management, disease prevention, and disease management and did not have a validated theoretical model to explain their experiences. The goal of this study was to create and test an integrated model of eHealth communication specific to 18-30 year old college students based on five research questions that identified and confirmed the factors most highly correlated with the presentation of health information on Internet or social media venues that improve eHealth literacy and provoke eHealth behavioral intention among college students. A sample of over 1400 18-30 year old college students was surveyed about their general and health information related use of the Internet and social media. As a result of exploratory factor analysis and subsequent structural equation modeling, the proposed theoretical model was revised and tested for statistical power. Two revised integrative models of eHealth communication, one for Internet and one for social media, were developed and validated. The model for social media shows statistically significant paths throughout the model; however, the model for the Internet …
Date:
August 2014
Creator:
Prybutok, Gayle
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Computer Assisted Instruction to Improve Theory of Mind in Children with Autism
Children with autism spectrum disorder (ASD) show significant deficits in communication, emotion recognition, perspective taking, and social skills. One intervention gaining increased attention is the use of computer assisted instruction (CAI) to teach social, emotional and perspective-taking skills to individuals with ASD with the purpose of improving theory of mind skills. This study evaluated the effectiveness of CAI for improving theory of mind skills in four children with high functioning autism ages 5 to 12 years. A single-subject multiple baseline research design across participants was utilized to evaluate the effectiveness of CAI. The software contained 22 instructional scenarios that asked participants to identify emotions of characters based on situational cues displayed in line drawn pictures and audio feedback for correct and incorrect responses. Mind-reading skills were assessed using ten randomly selected scenarios for various emotions and no audio feedback. Visual analysis of the data revealed that all four participants increased mind-reading skills during the CAI condition. Additionally, this study evaluated levels of task engagement during experimental conditions. Three of the four participants showed an increase in task engagement during CAI compared to paper-based social stories used during baseline. Generalization of skills was assessed through the use of social scenarios acted …
Date:
December 2014
Creator:
Eason, Lindsey R.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Extended Abstract: Dying, Death, and Near-Death Phenomena: Validations from the Quantum World
Brief paper discussing correlations between near-death phenomena and quantum theory in relation to consciousness.
Date:
Spring 2014
Creator:
Smith, Linda
Object Type:
Article
System:
The UNT Digital Library
Uncertainty Evaluation in Large-scale Dynamical Systems: Theory and Applications
Significant research efforts have been devoted to large-scale dynamical systems, with the aim of understanding their complicated behaviors and managing their responses in real-time. One pivotal technological obstacle in this process is the existence of uncertainty. Although many of these large-scale dynamical systems function well in the design stage, they may easily fail when operating in realistic environment, where environmental uncertainties modulate system dynamics and complicate real-time predication and management tasks. This dissertation aims to develop systematic methodologies to evaluate the performance of large-scale dynamical systems under uncertainty, as a step toward real-time decision support. Two uncertainty evaluation approaches are pursued: the analytical approach and the effective simulation approach. The analytical approach abstracts the dynamics of original stochastic systems, and develops tractable analysis (e.g., jump-linear analysis) for the approximated systems. Despite the potential bias introduced in the approximation process, the analytical approach provides rich insights valuable for evaluating and managing the performance of large-scale dynamical systems under uncertainty. When a system’s complexity and scale are beyond tractable analysis, the effective simulation approach becomes very useful. The effective simulation approach aims to use a few smartly selected simulations to quickly evaluate a complex system’s statistical performance. This approach was originally developed …
Date:
December 2014
Creator:
Zhou, Yi (Software engineer)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Theoria, Volume 21, 2014
Annual journal containing essays, studies, book reviews, and other articles related to the history of Western Music Theory, methods of analysis, and analytical discussions of musical compositions. The appendix includes information about contributors to the current volume, and an index of content in previously-issued volumes.
Date:
2014
Creator:
Heidlberger, Frank
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
Extended Abstract: After-Death Communication: Parents' and Their Children's Understanding and Meaning-Making
Brief paper discussing after-death communication with children and how it affects their relationships with their parents.
Date:
Spring 2014
Creator:
Jeska, Kimberly
Object Type:
Article
System:
The UNT Digital Library
Networking and Decentralized Control in Layered Networks: a Theoretical Study and Test-bed Development
Layered structures are commonly used in communication systems, but their roles in decentralized control are not understood well. In the first part of this thesis, a theoretical study of consensus (a typical decentralized control task) in layered structures is conducted. The unique graph topology approach permits explicit characterization of consensus performance based on simple graphical characteristics of MLMG structures. In the second part of this thesis, a generic LEGO test-bed to mimic multi-domain communication with layered structures is described. A search-and-rescue scenario is implemented to demonstrate the use of the test-bed.
Date:
December 2014
Creator:
Sheth, Vardhman Jayeshkumar
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The four-loop remainder function and multi-Regge behavior at NNLLA in planar N=4 super-Yang-Mills theory
None
Date:
February 19, 2014
Creator:
Dixon, Lance J.; Drummond, James M.; Duhr, Claude & Pennington, Jeffrey
Object Type:
Article
System:
The UNT Digital Library
What's Wrong with Me?: An Autoethnographic Investigation of the Co-Cultural Communicative Practices of Living with Tourette Syndrome During Adolesence
This article uses an autoethnographic methodology to explore a diagnosis of Tourette Syndrome.
Date:
December 15, 2014
Creator:
Congdon, Mark
Object Type:
Article
System:
The UNT Digital Library
Instructors Adoption of a Web-based Learning System at Rajabhat Universities in Thailand: a Study Using the Unified Theory of Acceptance and Use of Technology
Web-based learning has become an important component of education. Higher education institutions in Thailand have become increasingly aware of the widespread use and effectiveness of web-based learning systems. However, the adoption of such learning systems is growing at a slow pace in Thailand. The purpose of this study was to test the Unified Theory of Acceptance and Use of Technology (UTAUT), that performance expectancy, effort expectancy, social influence, and facilitating conditions have a positive effect on usage intention and adoption of web-based learning systems by instructors, in the Departments of Education at the Rajabhat Universities, Thailand; and to test whether experience of use, age, and gender have moderating effects in the adoption of web-based learning systems there. The research design used in this study was a cross-sectional survey design. Data were collected by means of a self-administered paper questionnaire. The study was conducted among the instructors in the departments of education at the Rajabhat Universities in Thailand. A total of 725 surveys were sent out, 454 questionnaires were returned by the respondents, and 14 were eliminated as outliers; thus, the final data set for the study was 440 samples. The two-step approach of SEM was used to test the model …
Date:
August 2014
Creator:
Boonsong, Ratchadaporn
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Modeling and Analysis of Intentional And Unintentional Security Vulnerabilities in a Mobile Platform
Mobile phones are one of the essential parts of modern life. Making a phone call is not the main purpose of a smart phone anymore, but merely one of many other features. Online social networking, chatting, short messaging, web browsing, navigating, and photography are some of the other features users enjoy in modern smartphones, most of which are provided by mobile apps. However, with this advancement, many security vulnerabilities have opened up in these devices. Malicious apps are a major threat for modern smartphones. According to Symantec Corp., by the middle of 2013, about 273,000 Android malware apps were identified. It is a complex issue to protect everyday users of mobile devices from the attacks of technologically competent hackers, illegitimate users, trolls, and eavesdroppers. This dissertation emphasizes the concept of intention identification. Then it looks into ways to utilize this intention identification concept to enforce security in a mobile phone platform. For instance, a battery monitoring app requiring SMS permissions indicates suspicious intention as battery monitoring usually does not need SMS permissions. Intention could be either the user's intention or the intention of an app. These intentions can be identified using their behavior or by using their source code. Regardless …
Date:
December 2014
Creator:
Fazeen, Mohamed & Issadeen, Mohamed
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Anachronistic Anarchy: A Linguistic Character Analysis of Shinichiro Watanabe’s Samurai Champloo
Paper analyzes how linguistic tokens contribute to character design, personality, and development in the Japanese anime Samurai Champloo.
Date:
2014
Creator:
Park, Macy
Object Type:
Article
System:
The UNT Digital Library
How Cooperative Systems Respond to External Forces
Cooperative interactions permeate through nature, bringing about emergent behavior and complexity. Using a simple cooperative model, I illustrate the mean field dynamics that occur at the critical point of a second order phase transition in the framework of Langevin equations. Through this formalism I discuss the response, both linear and nonlinear, to external forces. Emphasis is placed on how information is transferred from one individual to another in order to facilitate the collective response of the cooperative network to a localized perturbation. The results are relevant to a wide variety of systems, ranging from nematic liquid crystals, to flocks and swarms, social groups, and neural networks.
Date:
May 2014
Creator:
Svenkeson, Adam
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Scientometric Analysis of a Marketing Theoretician: “Good Will Hunting”
Albert Einstein notably asserted that “It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you described a Beethoven symphony as a variation of wave pressure.” Cast against the backdrop of Einstein’s assertion, the present research critically examines the enduring yet unresolved controversy regarding marketing as a science. Consider that the marketing discipline is nearing its first-century of inception, the Journal of Marketing is approaching its eighth decade of publication, and yet marketing academicians still debate the epistemology of marketing itself. Virtually all theories in marketing are adaptations of theory-development from other social science disciplines. The overarching research mission is to critically review a body of marketing theory using a meta-analytic approach to illuminate gaps in the epistemic foundations of marketing knowledge development. Grounded in the theory of composition, an entire body of Shelby D. Hunt's marketing literature – more than 130 effects encapsulating five of the most widely-cited marketing theoretical streams to date – is critically evaluated. Using scientometric analyses, the impact factors, citation indices, and the domain of references across the allied behavioral science literatures are empirically assessed. An epistemic inquiry to the marketing discipline is the …
Date:
August 2014
Creator:
Zuberi, Mel F.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Social Networks in Digital Scholarship
Video recording of a presentation session at the 2014 Digital Frontiers Annual Conference. In this session, presenters discuss social networks in digital scholarship.
Date:
September 18, 2014
Creator:
Hall, Nathan; Chen, Stacy & Mapes, Kristen
Object Type:
Video
System:
The UNT Digital Library
From Development of Semi-empirical Atomistic Potentials to Applications of Correlation Consistent Basis Sets
The development of the semi-empirical atomistic potential called the embedded atom method (EAM) has allowed for the efficient modeling of solid-state environments, at a lower computational cost than afforded by density functional theory (DFT). This offers the capability of EAM to model the energetics of solid-state phases of varying coordination, including defects, such as vacancies and self-interstitials. This dissertation highlights the development and application of two EAMs: a Ti potential constructed with the multi-state modified embedded atom method (MS-MEAM), and a Ni potential constructed with the fragment Hamiltonian (FH) method. Both potentials exhibit flexibility in the description of different solid-states phases and applications. This dissertation also outlines two applications of DFT. First, a study of structure and stability for solid-state forms of NixCy (in which x and y are integers) is investigated using plane-wave DFT. A ground state phase for Ni2C is elucidated and compared to known and hypothesized forms of NixCy. Also, a set of correlation consistent basis sets, previously constructed using the B3LYP and BLYP density functionals, are studied. They are compared to the well-known to the correlation consistent basis sets that were constructed with higher-level ab initio methodologies through computations of enthalpies of formation and combustion enthalpies. …
Date:
May 2014
Creator:
Gibson, Joshua S.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Shall We Play a Game?: The Performative Interactivity of Video Games
This study examines the ways that videogames and live performance are informed by play theory. Utilizing performance studies methodologies, specifically personal narrative and autoperformance, the project explores the embodied ways that gamers know and understand videogames. A staged performance, “Shall We Play a Game?,” was crafted using Brechtian theatre techniques and Conquergood’s three A’s of performance, and served as the basis for the examination. This project seeks to dispel popular misconceptions about videogames and performance and to expand understanding about videogaming as an embodied performative practice and a way of knowing that has practical implications for everyday life.
Date:
August 2014
Creator:
Beck, Michael J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Exploring Factors That Lead to Perceived Instructional Immediacy in Online Learning Environments
Instructional communication research clearly indicates that instructor immediacy contributes significantly to effective instruction. However, the majority of immediacy studies have been conducted in traditional (face-to-face) classroom environments. More recently, instructional communication research has focused on assessing the impact of immediacy in online classroom environments. Again, immediacy appears to significantly contribute to effective instruction. The challenge is that most recent immediacy studies use immediacy measurements developed to test immediacy behaviors in face-to-face settings. Considering the lack of nonverbal communication and limited or absent synchronous or verbal communication in online instructional settings, the behaviors contributing most significantly to perceived immediacy, researchers need to reassess the immediacy construct in online environments. The present research explores and identifies behaviors reported by instructors to establish psychological closeness (i.e., immediacy) in online learning environments and assesses to what extent these behaviors are similar to or different from face-to-face immediacy-producing behaviors.
Date:
December 2014
Creator:
Spiker, Chance W.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library