Christian, K., Kules, B., Shneiderman, B., Youssef, A.
September 2000
Proc. ACM ASSETS 2000 Conference, ACM Press, New York (November 2000)
HCIL-2000-20, CS-TR-4188, UMIACS-TR-2000-69, ISR-TR-2005-11
Voice controlled web browsers allow users to navigate by speaking the text of a link or an associated number instead of clicking with a mouse. One such browser is Conversa, by Conversational Computing. This within subjects study with 18 subjects compared voice browsing with traditional mouse-based browsing. It attempted to identify which of three common hypertext forms (linear slide show, grid/tiled map, and hierarchical menu) are well suited to voice navigation, and whether voice navigation is helped by numbering links. The study shows that voice control adds approximately 50% to the performance time for certain types of tasks. Subjective satisfaction measures indicate that for voice browsing, textual links are preferable to numbered links.
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