H.D. Jellinek and S. K. Card. Powermice and user performance. In Proceedings of CHI '90, pages 213--220, New York, NY, USA, 1990. ACM Press. Home/Search Document Not in Database Summary Related Articles Check |
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Scale Effects in Steering Law Tasks - Accot, Zhai (2001) (2 citations) (Correct)
....movement scale increased the total completion time monotonically. They concluded that a combination of gain and Fitts index of difficulty could be a more useful predictor than either of them alone. Jellinek and Card studied users performance as a function of the control gain in a computer mouse [12]. They found a U shaped performance gain function, but argued against its status as a basic human performance characteristic. They believed the performance loss in case of a large control gain was due to the loss of relative measurement resolution (i.e. a quantization effect) If there were not a ....
....at distance A is: T = a b log 2 A W 1 (3) where a and b are empirically determined constants. The logarithmic transformation of the ratio between A and W is called the index of difficulty of the task. Some researchers argue that control scale should not matter in view of Fitts law [12]. If a reaching task is scaled by a factor of two, both the distance A and the width W will be twice as large and hence cancel each other in the index of difficulty measure. On the other hand, the impact of scale could be reflected in a and b, as shown in [13] The validity of index of difficulty ....
[Article contains additional citation context not shown here]
H. D. Jellinek and S. K. Card. Powermice and user performance. In Proceedings of ACM CHI'90 Conference on Human Factors in Computing Systems, pages 213-- 220, 1990.
Scale Effects in Steering Law Tasks - Accot, Zhai (2001) (2 citations) (Correct)
....movement scale increased the total completion time monotonically. They concluded that a combination of gain and Fitts index of difficulty could be a more useful predictor than either of them alone. Jellinek and Card studied users performance as a function of the control gain in a computer mouse [12]. They found a U shaped performance gain function, but argued against its status as a basic human performance characteristic. They believed the performance loss in case of a large control gain was due to the loss of relative measurement resolution (i.e. a quantization effect) If there were not a ....
....( is: 0 ( 1 (3) where ) and are empirically determined constants. The logarithmic transformation of the ratio between ( and is called the index of difficulty of the task. Some researchers argue that control scale should not matter in view of Fitts law [12]. If a reaching task is scaled by a factor of two, both the distance ( and the width will be twice as large and hence cancel each other in the index of difficulty measure. On the other hand, the impact of scale could be reflected in ) and , as shown in [13] The validity of index of ....
[Article contains additional citation context not shown here]
H. D. Jellinek and S. K. Card. Powermice and user performance. In Proceedings of ACM CHI'90 Conference on Human Factors in Computing Systems, pages 213-- 220, 1990.
FingerMouse: A Freehand Computer Pointing Interface - Mysliwiec (1994) (1 citation) (Correct)
....Model of [3] showed that this homing time is responsible for 42 of the time required to move the hand from the keyboard to the mouse, point, and return the hand to the keyboard. Another drawback of the mouse is the consumption of valuable desk space. In their study, Jellinek et.al. [8] explain that this mouse footprint may be reduced by use of a high gain mouse. However, they also report that pointing speed may be negatively affected by this gain. Glove Devices and Hand Tracking Work has been done in tracking finger and hand motion using specialized glove devices. Examples of ....
Herbert D. Jellinek and Stuart K. Card, "Powermice and user performance", in CHI Proceedings, pp. 213-220, 1990.
Multi-finger Cursor Techniques - Tomer Moscovich Brown (Correct)
No context found.
H.D. Jellinek and S. K. Card. Powermice and user performance. In Proceedings of CHI '90, pages 213--220, New York, NY, USA, 1990. ACM Press.
Unknown - Human-Tb Puter Studies (2004) (Correct)
No context found.
Jellinek, H., Card, S., 1990. Powermice and user performance. Proceedings of the ACM CHI Conference on Human Factors in Computing systems, pp. 213--220 Kabbash, P., Buxton, W., 1995. The "Prince" technique: Fitts' law and selection using area cursors. Proceedings of the ACM CHI Conference on Human Factors in Computing Systems, pp. 273--279.
Multi-finger Cursor Techniques - Tomer Moscovich Brown (2006) (Correct)
No context found.
H.D. Jellinek and S. K. Card. Powermice and user performance. In Proceedings of CHI '90, pages 213--220, New York, NY, USA, 1990. ACM Press.
Input Devices And Techniques - Jacob (Correct)
No context found.
H.D. Jellinek and S.K. Card, "Powermice and User Performance," Proc. ACM CHI'90 Human Factors in Computing Systems Conference, pp. 213-220, Addison-Wesley/ACM Press, 1990.
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