CHI '86 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The alphaslider: a compact and rapid selector
CHI '94 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Pad++: a zooming graphical interface for exploring alternate interface physics
UIST '94 Proceedings of the 7th annual ACM symposium on User interface software and technology
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
Popup vernier: a tool for sub-pixel-pitch dragging with smooth mode transition
Proceedings of the 11th annual ACM symposium on User interface software and technology
BinScroll: a rapid selection technique for alphanumeric lists
CHI '00 Extended Abstracts on Human Factors in Computing Systems
GI '07 Proceedings of Graphics Interface 2007
Searching large indexes on tiny devices: optimizing binary search with character pinning
Proceedings of the 14th international conference on Intelligent user interfaces
A flexible on-screen keyboard: dynamically adapting for individuals' needs
UAHCI'07 Proceedings of the 4th international conference on Universal access in human-computer interaction: applications and services
A model of novice and expert navigation performance in constrained-input interfaces
ACM Transactions on Computer-Human Interaction (TOCHI)
Supporting blind users in selecting from very long lists of items on mobile phones
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
A Meta-Analytical Review of Empirical Mobile Usability Studies
Journal of Usability Studies
Design and implementation of a chorded on-screen keyboard for people with physical impairments
ICCHP'06 Proceedings of the 10th international conference on Computers Helping People with Special Needs
INTERACT'05 Proceedings of the 2005 IFIP TC13 international conference on Human-Computer Interaction
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Searching for an item in an ordered list is a frequently reoccurring task while using computers. The search can be carried out in several ways. In this paper, we present a new, efficient technique to find an alphanumeric item in a sorted list. This technique, called BinScroll, is based on the well-known binary search algorithm. BinScroll can be used with a minimum of four buttons, making it ideal for keyboardless mobile use. It can also be implemented with a minimum of one line of text, making it suitable for devices with limited screen space or text-only displays. Our evaluation showed that after 15 minutes of training, a novel user is able to locate any item from a list of 10,000 movie names in 14 seconds on average, and an expert user with a few hours of learning can find any item in about seven seconds. This makes it one of the most efficient selection techniques when long lists are concerned.