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A Comparison of Menu Configurations and Pointing Devices for Use with Wearable Computers while Mobile and Stationary

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4 Author(s)
Joanne E. Zucco ; Wearable Comput. Lab., Univ. of South Australia, Adelaide, SA, Australia ; Bruce H. Thomas ; Karen Grimmer-Somers ; Andy Cockburn

Wearable computing technology offers tremendous possibilities to support users in performing a variety of tasks that go beyond traditional desk-based computer interaction. Recent wearable systems share many capabilities with desk-based workstations, but often differ in the way user input is acquired and processed. This paper investigates four commercially available pointing devices and four on-screen menu configurations to assess which are most appropriate for performing menu selection tasks using a wearable computer system in a mobile and stationary scenario. We conducted a controlled user study to compare a trackball, touchpad, gyroscopic mouse and Twiddler2 in combination with pull-down, linear (fixed and pop-up) and pie pop-up menus. Our results indicate that pie pop-up menus are the most effective menu structure irrespective of the input device used, and that the trackball device outperforms the remaining devices in terms of speed and error rate.

Published in:

2009 International Symposium on Wearable Computers

Date of Conference:

4-7 Sept. 2009