The impact of time-based text visualization on situation awareness

Persistent Link:
http://hdl.handle.net/10150/290011
Title:
The impact of time-based text visualization on situation awareness
Author:
McQuaid, Michael Joseph
Issue Date:
2003
Publisher:
The University of Arizona.
Rights:
Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
Abstract:
Overabundance of information has been well documented as a drag on human performance. Theoretical constructs such as visual dominance have led to visualization systems as a palliative, integrating cumbersome amounts of incoming data into more tractable forms. Most such systems have accepted only numerical inputs. I designed, developed, and evaluated a time-based visualization system for textual information, using situation awareness theory to evaluate the system. The system analyzes texts, such as emails and instant messages, as they arrive on the desktop and presents a labeled display, using suffix tree clustering and multidimensional scaling, of similarity between texts, updated as the mix of incoming texts changes. The system aids decision makers subject to information overload. I evaluated the system's performance under a simulated crisis in which groups of 30 students played the role of advisors to the University president during a recreation of an actual campus shooting. Half of the students used the visualization system to receive input, while half used a competing text-based system. Subjects were evaluated using an instrument drawn from situation awareness theory and found to achieve higher levels of situation awareness using the visualization system. Additional measures collected provide some guidelines for design of text-oriented, time-based visualization systems.
Type:
text; Dissertation-Reproduction (electronic)
Keywords:
Business Administration, Management.; Psychology, Cognitive.; Information Science.
Degree Name:
Ph.D.
Degree Level:
doctoral
Degree Program:
Graduate College; Business Administration
Degree Grantor:
University of Arizona
Advisor:
Nunamaker, Jay Frank

Full metadata record

DC FieldValue Language
dc.language.isoen_USen_US
dc.titleThe impact of time-based text visualization on situation awarenessen_US
dc.creatorMcQuaid, Michael Josephen_US
dc.contributor.authorMcQuaid, Michael Josephen_US
dc.date.issued2003en_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.description.abstractOverabundance of information has been well documented as a drag on human performance. Theoretical constructs such as visual dominance have led to visualization systems as a palliative, integrating cumbersome amounts of incoming data into more tractable forms. Most such systems have accepted only numerical inputs. I designed, developed, and evaluated a time-based visualization system for textual information, using situation awareness theory to evaluate the system. The system analyzes texts, such as emails and instant messages, as they arrive on the desktop and presents a labeled display, using suffix tree clustering and multidimensional scaling, of similarity between texts, updated as the mix of incoming texts changes. The system aids decision makers subject to information overload. I evaluated the system's performance under a simulated crisis in which groups of 30 students played the role of advisors to the University president during a recreation of an actual campus shooting. Half of the students used the visualization system to receive input, while half used a competing text-based system. Subjects were evaluated using an instrument drawn from situation awareness theory and found to achieve higher levels of situation awareness using the visualization system. Additional measures collected provide some guidelines for design of text-oriented, time-based visualization systems.en_US
dc.typetexten_US
dc.typeDissertation-Reproduction (electronic)en_US
dc.subjectBusiness Administration, Management.en_US
dc.subjectPsychology, Cognitive.en_US
dc.subjectInformation Science.en_US
thesis.degree.namePh.D.en_US
thesis.degree.leveldoctoralen_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.disciplineBusiness Administrationen_US
thesis.degree.grantorUniversity of Arizonaen_US
dc.contributor.advisorNunamaker, Jay Franken_US
dc.identifier.proquest3119967en_US
dc.identifier.bibrecord.b45645358en_US
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