Using a task-based approach in evaluating the usability of BoBIs in an e-book environment

Authors:
Noorhidawati Abdullah;Forbes Gibb
Affiliations:
Faculty of Computer Science and Information Technology, University of Malaya, Malaysia;Department of Computer and Information Sciences, University of Strathclyde, UK
Venue:
ECIR'08 Proceedings of the IR research, 30th European conference on Advances in information retrieval
Year:
2008

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Abstract

This paper reports on a usability evaluation of BoBIs (Back-of-the-book Indexes) as searching and browsing tools in an e-book environment. This study employed a task-based approach and within-subject design. The retrieval performance of a BoBI was compared with a ToC and Full-Text Search tool in terms of their respective effectiveness and efficiency for finding information in e-books. The results demonstrated that a BoBI was significantly more efficient (faster) and useful compared to a ToC or Full-Text Search tool for finding information in an e-book environment.