Searching for information on the web: Impact of cognitive aging, prior domain knowledge and complexity of the search problems
Sanchiz, M. Chin, J. Chevalier, A. Fu, W. T. Amadieu, F. He, Jibo
Sanchiz, M.
Chin, J.
Chevalier, A.
Fu, W. T.
Amadieu, F.
He, Jibo
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2017-01
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Article
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Information searching,Aging,Prior domain knowledge,Problem complexity,Reformulation,Navigation
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Sanchiz, M.; Chin, J.; Chevalier, A.; Fu, W. T.; Amadieu, F.; He, Jibo. 2017. Searching for information on the web: Impact of cognitive aging, prior domain knowledge and complexity of the search problems. Information Processing & Management vol. 53:no. 1:pp 281–294
Abstract
This study focuses on the impact of age, prior domain knowledge and cognitive abilities on performance, query production and navigation strategies during information searching. Twenty older adults and nineteen young adults had to answer 12 information search problems of varying nature within two domain knowledge: health and manga. In each domain, participants had to perform two simple fact-finding problems (keywords provided and answer directly accessible on the search engine results page), two difficult fact-finding problems (keywords had to be inferred) and two open-ended information search problems (multiple answers possible and navigation necessary). Results showed that prior domain knowledge helped older adults improve navigation (i.e. reduced the number of webpages visited and thus decreased the feeling of disorientation), query production and reformulation (i.e. they formulated semantically more specific queries, and they inferred a greater number of new keywords).
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Elsevier Ltd. All rights reserved.
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Information Processing & Management;v.53:no.1
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0306-4573