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14,719 Matching Results
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Negotiation, communication, and decision strategies used by hostage/crisis negotiators.
By conducting this theory-based empirical study, gathering data from working negotiators in the US and Canada, I have determined what primary dynamic activities, communication skills, and negotiation tools are used by hostage/crisis negotiators. Negotiators implement their negotiation and decision strategies differently depending on whether the situations they deal with are instrumental or expressive. I have determined which elements of negotiations and factors affecting negotiations differ while handling instrumental and expressive hostage situations. I found that the collected data did not reveal any significant relationship between handling instrumental/expressive hostage situations differently and belief in the elements of Brenda Dervin's and Shannon-Weaver's theories. I have also determined that the belief in the elements of the Dervin's and Shannon-Weaver's theories is workable and practical for negotiators to use. Based on the above findings, the model suggested by this research adds the elements and directives of Dervin's and Shannon-Weaver's models to the common approach used by the negotiators. This revised model suggests that the negotiators pay attention to the dynamics of the interactions presented between the two parties: the negotiators themselves and hostage takers. The revised model also recommends that the negotiators focus on not only the hostage takers behavioral characteristics, psychological conditions, and …
Date:
May 2008
Creator:
Hancerli, Suleyman
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Effects of Receiver Locus of Control and Interaction Involvement on the Interpretation of Service Complaints
This thesis examined how receivers who vary in Interaction Involvement and Locus of Control (LOC) might differ in their interpretations of service complaints. Locus of control was measured using Rotter's (1966) LOC scale, while Interaction Involvement was measured with Cegala's (1984) Interaction Involvement measure, including a separate assessment of the effects for each sub-scale. Individuals were assigned to four groups based on their Interaction Involvement and LOC scores. The groups were compared with one-another for differences in how complaints were interpreted. Four complaint categories and a corresponding scale were developed to measure these differences. The categories were Subject, Goal, Opportunity, and Accountability. Interaction Involvement was expected to affect how receivers interpret the subject and goal of a complaint, while LOC was predicted to affect understanding of the opportunity and accountability aspects. Two research questions explored possible relationships between the complaint categories and the independent variables for individuals within each group. The study's four hypotheses were not supported, although some evidence was found for a significant relationship between receiver Interaction Involvement and perceived complainant Opportunity, for External LOC individuals only.
Date:
May 2000
Creator:
Reed, William
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Identifying At-Risk Students: An Assessment Instrument for Distributed Learning Courses in Higher Education
The current period of rapid technological change, particularly in the area of mediated communication, has combined with new philosophies of education and market forces to bring upheaval to the realm of higher education. Technical capabilities exceed our knowledge of whether expenditures on hardware and software lead to corresponding gains in student learning. Educators do not yet possess sophisticated assessments of what we may be gaining or losing as we widen the scope of distributed learning. The purpose of this study was not to draw sweeping conclusions with respect to the costs or benefits of technology in education. The researcher focused on a single issue involved in educational quality: assessing the ability of a student to complete a course. Previous research in this area indicates that attrition rates are often higher in distributed learning environments. Educators and students may benefit from a reliable instrument to identify those students who may encounter difficulty in these learning situations. This study is aligned with research focused on the individual engaged in seeking information, assisted or hindered by the capabilities of the computer information systems that create and provide access to information. Specifically, the study focused on the indicators of completion for students enrolled in …
Date:
May 2000
Creator:
Osborn, Viola
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Emergence of Organization Through Communication
Taylor, Cooren, Giroux, and Robichaud (1996) theorize that an organization is created entirely through the interpretations of its members and it evolves as those conversations change. Demonstrating the Taylor et al. theory, the current study focuses on the outcomes of management vision and strategic planning sessions in a division of a large Southwestern University. It explores the ways organization emerges through the discourse of the managers, how text is amplified to support the organization as a whole, the ways organization continues to emerge in communication, and in what ways the emergent view of organization exists throughout the division. The results of the study support the Taylor et al. theory. Management participants created an expanded view of the organization through discourse and then linked it to the university as a whole. Evidence was found supporting continued reformulation but it was limited to the management participants and did not include hourly employees.
Date:
August 2002
Creator:
Hope, Michael
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Information and meaning revisiting Shannon's theory of communication and extending it to address today<U+2019>s technical problems.
This paper has three goals. The first is to review Shannon's theory of information and the subsequent advances leading to today's statistics-based text analysis algorithms, showing that the semantics of the text is neglected. The second goal is to propose an extension of Shannon's original model that can take into account semantics, where the 'semantics' of a message is understood in terms of the intended or actual changes on the recipient of a message. The third goal is to propose several lines of research that naturally fall out of the proposed model. Each computational approach to solving some problem rests on an underlying model or set of models that describe how key phenomena in the real world are represented and how they are manipulated. These models are both liberating and constraining. They are liberating in that they suggest a path of development for new tools and algorithms. They are constraining in that they intentionally ignore other potential paths of development. Modern statistical-based text analysis algorithms have a specific intellectual history and set of underlying models rooted in Shannon's theory of communication. For Shannon, language is treated as a stochastic generator of symbol sequences. Shannon himself, subsequently Weaver, and at least …
Date:
December 1, 2009
Creator:
Bauer, Travis LaDell
Object Type:
Report
System:
The UNT Digital Library
Public School Educators' Use of Computer-Mediated Communication
This study examined the uses of computer-mediated communication (CMC) by educators in selected public schools. It used Rogers' Diffusion of Innovation Theory as the underpinnings of the study. CMC refers to any exchange of information that involves the use of computers for communication between individuals or individuals and a machine. This study was an exploration of difficulties users confront, what services they access, and the tasks they accomplish when using CMC. It investigated the factors that affect the use of CMC. The sample population was drawn from registered users on TENET, the Texas Education Network as of December 1997. The educators were described with frequency and percentages analyzing the demographic data. For the research, eight indices were selected to test how strongly these user and environmental attributes were associated with the use of CMC. These variables were (1) education, (2) position, (3) place of employment, (4) geographic location, (5) district size, (6) organization vitality, (7) adopter resources, and (8) instrumentality Two dependent variables were used to test for usage: (1) depth or frequency of CMC usage and amount of time spent online and (2) breadth or variety of Internet utilities used. Additionally, the users' perception of network benefits was measured. …
Date:
December 2000
Creator:
Urias-Barker, Zelina
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
"Respect is active like an organism that is not only cumulative but has a very personal effect": A grounded theory methodology of a respect communication model in the college classroom.
This study examined the notion of respect in the college classroom. While pedagogical researchers had previously studied the phenomenon, each found challenges in defining it. Moreover, communication scholars do not examine respect as a primary pedagogical factor with learning implications. Focus groups provided venues for topic-specific discussion necessary for better understanding the diversity of students' worldviews regarding respect in the college classroom. Grounded theory allowed for searching theoretical relevance of the phenomenon through constant comparison with categorical identification. The most practical contributions of this research identifies as several major notions including, the importance of relationships within the process, student self-esteem, and global-classroom respect. In addition, implications emerged from the data as learning, motivation, and environment. One other practical contribution exists as a respect communication model for the college classroom. Further, examining students' worldviews of respect in the classroom provides benefits for pedagogical scholars, students, and instructors.
Date:
August 2004
Creator:
Martinez, Alma
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
"It's never been this bad...ever": An analysis of K-12 teachers' standpoints related to parent-teacher communication.
With the rise of "helicopter" parents within primary and secondary education, school officials nationwide have started to address how to manage parental involvement in the educational system, specifically with regard to parent-teacher communication. Beginning in the 1980s, school administrators actively implemented programs targeting increased parental involvement in K-12 public schools, though the use of contact and relationship building strategies, in order to substantiate school-teacher-parent communication and further parental influence over decision making processes. While administrators and parents may view parent-teacher interactions as productive, teachers' negative experiences with parents may lead to stress, burnout, and attrition. Researchers have indicated that between 20 and 50% of first through third year teachers leave the profession due to increased, long-term stress, unrealistic workload, and an overall feeling of decreased personal and professional fulfillment. Likewise, through educational reform initiatives to standardize curriculum and increase parental involvement within public schools, teachers' roles within the educational system have shifted from positions of power, to figureheads for the system. The purpose of this study is to examine public school K-12 teachers' standpoints as they relate to parent-teacher communication.
Date:
May 2009
Creator:
Thomas-Seltzer, Ashley
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
In good communication and in bad: A study of premarital counseling and communication skills in newlywed couples.
This study examined the effects of premarital counseling on newlywed communication. It was predicted that individuals who had participated in premarital counseling would have lower levels of demand/withdrawal communication and higher levels of spousal support. The effects of the format of the counseling were also examined. Individuals who had been married less than two years completed a survey measuring their marital satisfaction, levels of demand/withdraw, and perceived spousal support. Social learning theory was used as a theoretical lens. Results suggested that participating in premarital counseling has no affect on newlywed communication. Newlyweds who had been exposed to a group format during their counseling had higher marital satisfaction than those who had just participated in a one-on-one format with a counselor.
Date:
May 2009
Creator:
Norvell, Karen
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Communication patterns and allocation strategies.
Motivated by observations about job runtimes on the CPlant system, we use a trace-driven microsimulator to begin characterizing the performance of different classes of allocation algorithms on jobs with different communication patterns in space-shared parallel systems with mesh topology. We show that relative performance varies considerably with communication pattern. The Paging strategy using the Hilbert space-filling curve and the Best Fit heuristic performed best across several communication patterns.
Date:
January 1, 2004
Creator:
Leung, Vitus Joseph; Mache, Jens Wolfgang & Bunde, David P.
Object Type:
Report
System:
The UNT Digital Library
Interprocessor communication with memory constraints
Many parallel applications require periodic redistribution of workloads and associated data. In a distributed memory computer, this redistribution can be difficult if limited memory is available for receiving messages. The authors propose a model for optimizing the exchange of messages under such circumstances which they call the minimum phase remapping problem. They first show that the problem is NP-Complete, and then analyze several methodologies for addressing it. First, they show how the problem can be phrased as an instance of multi-commodity flow. Next, they study a continuous approximation to the problem. They show that this continuous approximation has a solution which requires at most two more phases than the optimal discrete solution, but the question of how to consistently obtain a good discrete solution from the continuous problem remains open. Finally, they devise a simple and practical approximation algorithm for the problem with a bound of 1.5 times the optimal number of phases.
Date:
May 30, 2000
Creator:
PINAR,ALI & HENDRICKSON,BRUCE A.
Object Type:
Article
System:
The UNT Digital Library
Interprocessor communication with limited memory
Many parallel applications require periodic redistribution of workloads and associated data. In a distributed memory computer, this redistribution can be difficult if limited memory is available for receiving messages. We propose a model for optimizing the exchange of messages under such circumstances which we call the minimum phase remapping problem. We first show that the problem is NP-Complete, and then analyze several methodologies for addressing it. First, we show how the problem can be phrased as an instance of multi-commodity flow. Next, we study a continuous approximation to the problem. We show that this continuous approximation has a solution which requires at most two more phases than the optimal discrete solution, but the question of how to consistently obtain a good discrete solution from the continuous problem remains open. We also devise simple and practical approximation algorithm for the problem with a bound of 1.5 times the optimal number of phases. We also present an empirical study of variations of our algorithms which indicate that our approaches are quite practical.
Date:
May 7, 2003
Creator:
Pinar, Ali & Hendrickson, Bruce
Object Type:
Article
System:
The UNT Digital Library
Computer Supported Collaboration: Is the Transfer of Cognitive Structures Mediated by Mode of Communication?
The objective of this study was to observe evidence of structural transfer among subjects in a group problem-solving activity and determine whether mode of collaborative technology or use of a priming agent affected the nature of transferred structures. Evidence for structural transfer is found in three theoretical perspectives: organizational ditransitive (linguistic) verb structures, adaptive structuration theory, and mental model transfer theory. Dependent variables included various grammatical structures and coefficients derived from pretest and posttest scores on David Kolb's Learning Styles Inventory, modified for the experiment. The combination of changes in grammatical frequencies and learning style may suggest that one or more media or the priming agent may affect structural transfer. Results indicate that groups using the GroupSystems collaborative technology produced less overall linguistic content than did subjects using a generic chat system, but employed more complex language as indicated by frequency of the organizational ditransitive verb structure. Also, subjects supplied with an organization chart (priming agent) during the group problem-solving session experienced greater change on the learning styles inventory than did those participating in the session without the chart. These findings suggest that mode of communication and use of priming agents may contribute positively or negatively to the transfer of …
Date:
May 2002
Creator:
Bandy, Kenneth E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
More connections, less connection: An examination of the effects of computer-mediated communication on relationships.
The impact of computer-mediated communication (CMC) on relational behavior is a topic of increasing interest to communication scholars (McQuillen, 2003; Tidwell & Walther, 2002). One of the most interesting issues that CMC raises concerns the impact of CMC on relational maintenance and development. Using dialectical theory, social exchange theory, social information processing theory, and the hyperpersonal perspective as theoretical frameworks, this study used quantitative and qualitative analyses to identity potential effects of CMC on relationships. Study 1 (n=317) examined the effects of CMC on relational closeness, satisfaction, and social support. Study 2 (n=196) explored the reasons individuals provide for privileging computer-mediated forms of communication, and the perceived effects of using CMC in relational communication. Results indicated that quality of CMC predicted increased perceptions of social support and relationship satisfaction. Results further suggested that CMC enabled participants to manage more effectively relational tensions of autonomy-connection and openness-closedness. Specifically, individuals used CMC to retain higher levels of conversational control, and to maintain greater numbers of relationships with decreased levels of investment. This paper concludes with a discussion of implications and directions for future research.
Date:
December 2006
Creator:
McGlynn, Joseph
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Comparison of Communication Motives of On-Site and Off-Site Students in Videoconference-Based Courses
The objective of this investigation is to determine whether student site location in an instructional videoconference is related to students' motives for communicating with their instructor. The study is based, in part, on the work of Martin et al. who identify five separate student-teacher communication motives. These motives, or dimensions, are termed relational, functional, excuse, participation, and sycophancy, and are measured by a 30-item questionnaire. Several communication-related theories were used to predict differences between on-site and off-site students, Media richness theory was used, foundationally, to explain differences between mediated and face-to-face communication and other theories such as uncertainty reduction theory were used in conjunction with media richness theory to predict specific differences.Two hundred eighty-one completed questionnaires were obtained from Education and Library and Information Science students in 17 separate course-sections employing interactive video at the University of North Texas during the Spring and Summer semesters of the 2001/2002 school year. This study concludes that off-site students in an instructional videoconference are more likely than their on-site peers to report being motivated to communicate with their instructor for participation reasons. If off-site students are more motivated than on-site students to communicate as a means to participate, then it may be important …
Date:
August 2002
Creator:
Massingill, K.B.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Technical Communication and the Needs of Small 501(c)(3) Organizations
This exploratory study examines documentation practices and processes in ten small non-profit organizations. The objectives of this study were to answer the following two research questions: (1) What organizational needs do small non-profit organizations have that are relevant to technical communication? and (2) How are small 501(c)(3) organizations attempting to meet these needs? Which of these attempted solutions are ineffective? Semi-structured interviews were conducted with two people from each organization: the executive director and a volunteer. Interviews were transcribed and analyzed, and grounded theory was used to identify coding categories related to documentation development. Primary findings suggest that interviewees are aware that they need documentation, yet they often postpone developing such documentation until problems develop. The study findings also suggest that interviewees across different nonprofit organizations value documentation for similar reasons. Strategies are provided for technical communicators interested in working with nonprofit organizations, and additional research avenues are identified.
Date:
May 2006
Creator:
Walton, Rebecca W.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Position Estimation of Tranceivers in Communication Networks
With the rapid development in wireless sensor networks, there is an important need for transceiver position estimation independent of Global Positioning Systems (GPS) [1,3]. While GPS might be useful for outdoor sensor nodes, it is not for indoor node localization. In this case, position estimation is possible through network range estimates from time-of-flight (TOF) measurements, a technique well suited to large bandwidth physical links, such as in ultra-wideband (UWB) communications. For example, in our UWB systems, with pulse duration less than 200 pico-seconds, range can easily be resolved to less than a foot. Assuming an encoded UWB or spread spectrum physical layer, we developed algorithms and simulation tools to test transceiver position localization. Simulations were designed to lend insight into system characteristics such as position error sensitivities to network geometry, to range estimation errors, and to number of sensor nodes.
Date:
October 13, 2003
Creator:
Kent, C. A. & Dowla, F. U.
Object Type:
Report
System:
The UNT Digital Library
Position Estimation of Transceivers in Communication Networks
With rapid developments in wireless sensor networks, there is a growing need for transceiver position estimation independent of GPS, which may not be available in indoor networks. Our approach is to use range estimates from time-of-flight (TOF) measurements, a technique well suited to large bandwidth physical links, such as in ultra-wideband (UWB) systems. In our UWB systems, pulse duration less than 200 psecs can easily be resolved to less than a foot. Assuming an encoded UWB physical layer, we first test positioning accuracy using simulations. We are interested in sensitivity to range errors and the required number of ranging nodes, and we show that in a high-precision environment, such as UWB, the optimal number of transmitters is four. Four transmitters with {+-}20ft. range error can locate a receiver to within one or two feet. We then implement these algorithms on an 802.11 wireless network and demonstrate the ability to locate a network access point to approximately 20 feet.
Date:
January 20, 2004
Creator:
Dowla, F. & Kent, C.
Object Type:
Article
System:
The UNT Digital Library
Understanding communication in counterterrorism crisis management.
This report describes the purpose and results of the two-year, Sandia-sponsored Laboratory Directed Research and Development (LDRD) project entitled Understanding Communication in Counterterrorism Crisis Management The purpose of this project was to facilitate the capture of key communications among team members in simulated training exercises, and to learn how to improve communication in that domain. The first section of this document details the scenario development aspects of the simulation. The second section covers the new communication technologies that were developed and incorporated into the Weapons of Mass Destruction Decision Analysis Center (WMD-DAC) suite of decision support tools. The third section provides an overview of the features of the simulation and highlights its communication aspects. The fourth section describes the Team Communication Study processes and methodologies. The fifth section discusses future directions and areas in which to apply the new technologies and study results obtained as a result of this LDRD.
Date:
October 1, 2004
Creator:
Djordjevich, Donna D.; Barr, Pamela K.; Arnold, Jason Darrel; Johnson, Michael M.; Sa, Timothy J.; Hawley, Marilyn F. et al.
Object Type:
Report
System:
The UNT Digital Library
Network Communication as a Service-Oriented Capability
In widely distributed systems generally, and in science-oriented Grids in particular, software, CPU time, storage, etc., are treated as"services" -- they can be allocated and used with service guarantees that allows them to be integrated into systems that perform complex tasks. Network communication is currently not a service -- it is provided, in general, as a"best effort" capability with no guarantees and only statistical predictability. In order for Grids (and most types of systems with widely distributed components) to be successful in performing the sustained, complex tasks of large-scale science -- e.g., the multi-disciplinary simulation of next generation climate modeling and management and analysis of the petabytes of data that will come from the next generation of scientific instrument (which is very soon for the LHC at CERN) -- networks must provide communication capability that is service-oriented: That is it must be configurable, schedulable, predictable, and reliable. In order to accomplish this, the research and education network community is undertaking a strategy that involves changes in network architecture to support multiple classes of service; development and deployment of service-oriented communication services, and; monitoring and reporting in a form that is directly useful to the application-oriented system so that it may …
Date:
January 8, 2008
Creator:
Johnston, William; Johnston, William; Metzger, Joe; Collins, Michael; Burrescia, Joseph; Dart, Eli et al.
Object Type:
Book
System:
The UNT Digital Library
Patterns of verbal communication in children with special needs.
The social interactions between children with special needs, learning disabilities and/or attention deficit disorder (ADHD), were investigated. The children were observed in groups of three/four while creating a cooperative art project. During this activity, their interactions were recorded and coded for patterns of verbal communication. Verbal communication was evaluated through statements reflecting requests for information and materials; helping/cooperation/giving; consideration/positive reinforcement; competitiveness; intrusiveness; rejection; self-image; neutral statements; and persuasiveness. Results indicated that children with special needs tended to engage in a greater frequency of helping/cooperative/giving statements as opposed to any other verbal statements. Specifically, positive statements as opposed to negative statements classified their verbal interactions. These children also appeared to demonstrate more internalizing behaviors than externalizing behaviors. The influence of children's behaviors on children's verbal statements was examined. Results indicated that children who evidenced a disability in reading or language appeared to engage in a greater frequency of cooperative or helping statements than their non-disabled peers. Intrusive tendencies may be associated with the following: presence of a reading disability, absence of ADHD, and absence of a disability in written expression. Additionally, the conversations of children with a disability in mixed receptive language tended to evidence a greater frequency of neutral statements …
Date:
May 2006
Creator:
Conde, Joann M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Low-Dose Risk, Decisions, and Risk Communication
To conduct basic research on how people receive, evaluate, and form positions on scientific information and its relationship to low-dose radiation exposure. There are three major areas of study in our research program. First is the development of theories, frameworks and concepts essential to guiding data collection and analysis. The second area is a program of experimental studies on risk perception, evaluation of science information, and the structure of individual positions regarding low dose exposures. This involves the study of existing knowledge and the evaluation of science information presented within a variety of formats, as educational information, news media stories, and alternative communication methods (personal contact, small group interaction, email & internet, etc.). Third is the community-level studies to examine and record how the social conditions, under which science communications take place, influence the development of attitudes and opinions about: low- dose exposures, the available management options, control of radiation risks, and preferences for program and policy goals.
Date:
June 1, 2001
Creator:
Flynn, James & Slovic, Paul
Object Type:
Report
System:
The UNT Digital Library
Low Dose Risk, Decisions, and Risk Communication
The overall research objective was to establish new levels of information about how people, groups, and communities respond to low dose radiation exposure. This is basic research into the social psychology of individual, group, and community responses to radiation exposures. The results of this research are directed to improving risk communication and public participation in management of environmental problems resulting from low dose radiation.
Date:
September 14, 2002
Creator:
Flynn, James
Object Type:
Report
System:
The UNT Digital Library
The intergroup protocols: Scalable group communication for the internet
Reliable group ordered delivery of multicast messages in a distributed system is a useful service that simplifies the programming of distributed applications. Such a service helps to maintain the consistency of replicated information and to coordinate the activities of the various processes. With the increasing popularity of the Internet, there is an increasing interest in scaling the protocols that provide this service to the environment of the Internet. The InterGroup protocol suite, described in this dissertation, provides such a service, and is intended for the environment of the Internet with scalability to large numbers of nodes and high latency links. The InterGroup protocols approach the scalability problem from various directions. They redefine the meaning of group membership, allow voluntary membership changes, add a receiver-oriented selection of delivery guarantees that permits heterogeneity of the receiver set, and provide a scalable reliability service. The InterGroup system comprises several components, executing at various sites within the system. Each component provides part of the services necessary to implement a group communication system for the wide-area. The components can be categorized as: (1) control hierarchy, (2) reliable multicast, (3) message distribution and delivery, and (4) process group membership. We have implemented a prototype of the …
Date:
November 1, 2000
Creator:
Berket, K.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library