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Adaptive search behavior
Descriptive
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Text
TitleInfo
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Title
Adaptive search behavior
SubTitle
a response to query failure
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PartNumber
NonSort
Identifier
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ETD_2383
Identifier
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http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000052153
Language
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eng
Genre
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theses
Subject
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Topic
Communication, Information and Library Studies
Subject
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(authority = ETD-LCSH)
Topic
Database searching
Abstract
When an interactive search system returns a results list that fails to meet its user's information need, the user experiences a query failure. With the present generation of search systems, except for the most common and simple information needs, users often encounter query failure. This dissertation examined the behaviors searchers use when overcoming query failure. Specifically, this dissertation compared searches conducted on systems operating at three different levels of performance in a single mixed-model factorial experiment, with system performance as the independent variable. The General Linear Model and planned contrasts were used in an exploratory analysis of the effects of system performance on system responses, search behavior, and searcher productivity. Thirty-six volunteers from the Rutgers University community participated in the study. The study found that when system performance is degraded, searchers increase the pace of query submissions. Inter-query time intervals are shorter when results lists are shorter and when a spelling error message is displayed with a results list. These findings suggest that a system capable of monitoring a user's query submission rate and the characteristics of its own responses may be able to detect and assist a user experiencing a difficult search.
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electronic resource
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viii, 162 p. : ill.
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Note
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Ph.D.
Note
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Includes bibliographical references (p. 156-161)
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by Catherine L. Smith
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Smith
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Catherine L.
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1955-
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Catherine L. Smith
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Kantor
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Paul
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chair
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Paul B. Kantor
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Lesk
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Michael
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internal member
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Advisory Committee
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Michael Lesk
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Nina
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Nina Wacholder
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Chapman
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Gretchen
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Gretchen Chapman
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Rutgers University
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degree grantor
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Graduate School - New Brunswick
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school
OriginInfo
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2010
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2010-01
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xx
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Title
Rutgers University Electronic Theses and Dissertations
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ETD
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Title
Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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NjNbRU
Identifier
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doi:10.7282/T3KP8295
Genre
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ETD doctoral
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Rights
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The author owns the copyright to this work.
Copyright
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Copyright protected
Notice
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Availability
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Open
Reason
Permission or license
Note
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Smith
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Catherine
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DateTime
2010-01-04 18:44:59
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Catherine Smith
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Rutgers University. Graduate School - New Brunswick
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Author Agreement License
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I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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ETD
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application/x-tar
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1638400
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