CHI '86 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Graphical fisheye views of graphs
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The “prince” technique: Fitts' law and selection using area cursors
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Making computers easier for older adults to use: area cursors and sticky icons
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Acquisition of expanding targets
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Improving focus targeting in interactive fisheye views
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Human on-line response to target expansion
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Semantic pointing: improving target acquisition with control-display ratio adaptation
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The bubble cursor: enhancing target acquisition by dynamic resizing of the cursor's activation area
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Snap-and-go: helping users align objects without the modality of traditional snapping
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
International Journal of Human-Computer Studies - Special issue: Fitts law 50 years later: Applications and contributions from human-computer interaction
"Beating" Fitts' law: virtual enhancements for pointing facilitation
International Journal of Human-Computer Studies - Special issue: Fitts law 50 years later: Applications and contributions from human-computer interaction
Perceptibility and utility of sticky targets
GI '08 Proceedings of graphics interface 2008
Semantic pointing for object picking in complex 3D environments
GI '08 Proceedings of graphics interface 2008
DynaSpot: speed-dependent area cursor
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Speeding pointing in tiled widgets: understanding the effects of target expansion and misprediction
Proceedings of the 15th international conference on Intelligent user interfaces
High-precision magnification lenses
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
INTERACT'07 Proceedings of the 11th IFIP TC 13 international conference on Human-computer interaction
TouchCuts and TouchZoom: enhanced target selection for touch displays using finger proximity sensing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Effects of motor scale, visual scale, and quantization on small target acquisition difficulty
ACM Transactions on Computer-Human Interaction (TOCHI)
International Journal of Human-Computer Studies
How small can you go?: analyzing the effect of visual angle in pointing tasks
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Using Delboeuf's illusion to improve point and click performance for older adults
CHI '13 Extended Abstracts on Human Factors in Computing Systems
Effects of Target Expansion on Selection Performance in Older Computer Users
ACM Transactions on Accessible Computing (TACCESS)
WidgetLens: a system for adaptive content magnification of widgets
BCS-HCI '13 Proceedings of the 27th International BCS Human Computer Interaction Conference
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The components of graphical user interfaces can be made to dynamically expand as the cursor approaches, providing visually appealing effects. Expansion can be implemented in a variety of ways: in some cases the targets expand visually while maintaining a constant smaller motor-space for selection; and in others both the visual and motor-spaces of the objects are enlarged. Previous research by McGuffin & Balakrishnan [15], and confirmed by Zhai et al. [19], has shown that enlarged motor-space expansion improves acquisition performance. It remains unclear, however, what proportion of the performance improvement is due to the enlarged motor-space, and what to the confirmation of the over-target state provided by visual expansion. We report on two experiments which indicate that for small targets, visual expansion in unaltered motor-space results in similar performance gains to enlarged motor-spaces. These experiments are based on tasks where users are unable to anticipate the behaviour of the targets. Implications for commercial use of visual expansion in unaltered motor-space are discussed.