Understanding the role of age and fluid intelligence in information search

Authors:
Shari Trewin;John T. Richards;Vicki L. Hanson;David Sloan;Bonnie E. John;Cal Swart;John C. Thomas
Affiliations:
IBM T. J. Watson Research Center, Yorktown, NY, USA;IBM T. J. Watson Research Center, Yorktown, NY, USA;University of Dundee, Dundee, United Kingdom;University of Dundee, Dundee, United Kingdom;IBM T. J. Watson Research Center, Yorktown, USA;IBM T. J. Watson Research Center, Yorktown, USA;IBM T. J. Watson Research Center, Yorktown, USA
Venue:
Proceedings of the 14th international ACM SIGACCESS conference on Computers and accessibility
Year:
2012

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Abstract

In this study, we explore the role of age and fluid intelligence on the behavior of people looking for information in a real-world search space. Analyses of mouse moves, clicks, and eye movements provide a window into possible differences in both task strategy and performance, and allow us to begin to separate the influence of age from the correlated but isolable influence of cognitive ability. We found little evidence of differences in strategy between younger and older participants matched on fluid intelligence. Both performance and strategy differences were found between older participants having higher versus lower fluid intelligence, however, suggesting that cognitive factors, rather than age per se, exert the dominant influence. This underscores the importance of measuring and controlling for cognitive abilities in studies involving older adults.