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Multistream input: An experimental study of document scrolling methods

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2 Author(s)
Zhai, S. ; IBM Research Division, Almaden Research Center, 650 Harry Road, San Jose, California 95120, USA ; Smith, B.A.

Navigating through on-line documents has become an increasingly common task in human-computer interaction. This paper investigates alternative methods to improve user performance for browsing World Wide Web and other documents. In a task that involved both scrolling and pointing, we compared three input methods against the status quo. The results showed that a mouse with a finger wheel did not improve user's performance; two other methods, namely a mouse with an isometric rate-control joystick operated by the same hand and a two-handed system that put a mouse in the dominant hand and a joystick in the other, both significantly improved users' performance. A human factors analysis of each of the three input methods is presented.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Systems Journal  (Volume:38 ,  Issue: 4 )