Usability Quote of the Day

February 6, 2012

The prevailing computer-human interaction (CHI) model of interface design has been partly responsible for the current state of the desktop computer. The breakthrough on which the field emerged was the admission of psychological principles. The resulting graphical user interface has been the focus of the field of computer-human interaction for nearly 20 years. This interface is a virtual control panel whose design has remained quite technology-centered. -- Malcolm McCullough, Digital Ground, 2004    (via interaction-design.org)

Thursday, May 08, 2008

Rubbing as a Zoom Gesture

New gestures just around the corner ...

"At Alex Olwal's web page you can watch video and download a CHI 2008 paper describing research on rubbing as a gesture for zooming. Rubbing up and to the right zooms in, up and to the left zooms out.

Their evaluation showed that it was better than other single-finger methods for zooming, though fatigue can be a problem if the screen surface isn't smooth.

They also tested two variations on combined two-handed tapping and zooming techniques (e.g. one hand points or zooms and the other can tap to select).

Their focus was on touchscreens that report only a single finger for applications like public kiosks.

The paper is "Rubbing and Tapping for Precise and Rapid Selection on Touch-Screen Displays" by Alex Olwal, Steven Feiner, and Sanna Heyman."    (Continued via Touch Usability)    [Usability Resources]

 Rubbing Gestures - Usability, User Interface Design

Rubbing Gestures

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