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Please use this identifier to cite or link to this item: http://hdl.handle.net/2081/2440

Title: Why structure and genre matter to users of digital information: A longitudinal study with readers of a web-based newspaper
Authors: Dillon, Andrew
Vaughan, Misha
Keywords: genre
newspaper
navigation
structure
web-based
Issue Date: 2006
Publisher: Elsevier Ltd.
Citation: This item is not the definitive copy. Please use the following citation when referencing this material: Vaughan, M. and Dillon, A. (2006) Why structure and genre matter to users of digital information: a longitudinal study with readers of a web-based newspaper. International Journal of Human-Computer Studies, 64, 502-526.
Series/Report no.: Vol. 64
Abstract: In an effort to understand the impact of designing for digital genres on users’ mental representations of structure, a two-phase study was conducted. In phase 1, six expert news readers and a panel of HCI experts were solicited for input regarding genre-conforming and genre-violating web news page design, navigation, and story categorization. In phase 2, a longitudinal experiment with a group of 25 novice web news readers who were exposed to one of the two designs over 5 sessions is reported. During these sessions a variety of user data were captured, including: comprehension (recall, recognition), usability (time on task, accuracy, user satisfaction), and navigation (path length, category node hits). The between-group difference of web site design was significant for comprehension, usability, and navigation with the users of the genre-conforming design demonstrating better performance. The within-group difference of time was significant across these three measures as well, with performance improving over time. No interaction effect was found between web site design and time on comprehension or usability. However, a surprising interaction effect was found on navigation; specifically the breadth of navigation (i.e. the number of nodes visited for two classes of tasks) increased over time more dramatically for the genre-violating group than for the genre-conforming group. By examining the changes in these data over time and between the two designs, evidence for the development of users’ mental representations of structure was captured.
Description: This file functions as both the archival and access copy.
URI: http://hdl.handle.net/2081/2440
Appears in Collections:Publications: Refereed Journal Articles

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