Effect of target size and duration of visual feedback on touch screen

Abstract

This study investigated performance and touching experience as a function of duration of visual feedback and target size on a touch screen. Five duration of visual feedback by three target size within-subject experiment was conducted. Relationship between performance and duration of visual feedback has an inverted-U shape trend. Performance and touching experience evaluation was worse with small targets. There was significant interaction between target size and duration of visual feedback. At the small target size condition performance was different from the other sizes. People could pay more attention to visual feedback because small size target condition was difficult. Another possible explanation is that the presented visual feedback size was very similar to small target condition. Longer lasting visual feedback might over complicate things for people and lead to confusion with the target. © 2011 Springer-Verlag.