Evaluating the effectiveness of physical shape-change for in-pocket mobile device notifications

Panteleimon Dimitriadis, Jason Alexander

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)
3 Downloads (Pure)

Abstract

Audio and vibrotactile output are the standard mechanisms mobile devices use to attract their owner's attention. Yet in busy and noisy environments, or when the user is physically active, these channels sometimes fail. Recent work has explored the use of physical shape-change as an additional method for conveying notifications when the device is in-hand or viewable. However, we do not yet understand the effectiveness of physical shape-change as a method for communicating in-pocket notifications. This paper presents three robustly implemented, mobile-device sized shape-changing devices, and two user studies to evaluate their effectiveness at conveying notifications. The studies reveal that (1) different types and configurations of shape-change convey different levels of urgency and; (2) fast pulsing shape-changing notifications are missed less often and recognised more quickly than the standard slower vibration pulse rates of a mobile device.
Original languageEnglish
Title of host publicationCHI '14 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
PublisherAssociation for Computing Machinery
Pages2589-2592
Number of pages4
ISBN (Print)9781450324731
DOIs
Publication statusPublished - 26 Apr 2014

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