A taxonomy of microinteractions : Defining microgestures based on ergonomic and scenario-dependent requirements

Titelangaben

Wolf, Katrin ; Naumann, Anja ; Rohs, Michael ; Müller, Jörg:
A taxonomy of microinteractions : Defining microgestures based on ergonomic and scenario-dependent requirements.
In: Human-Computer Interaction, INTERACT 2011. Pt. 1. - Berlin : Springer , 2011 . - S. 559-575
ISBN 978-3-642-23773-7
DOI: https://doi.org/10.1007/978-3-642-23774-4_45

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Abstract

This paper explores how microinteractions such as hand gestures allow executing a secondary task, e.g. controlling mobile applications and devices, without interrupting the manual primary tasks, for instance driving a car. We asked sports- and physiotherapists for using props while interviewing these experts in order to iteratively design microgestures. The required gestures should be easily performable without interrupting the primary task, without needing high cognitive effort, and without taking the risk of being mixed up with natural movements. Resulting from the expert interviews we developed a taxonomy for classifying these gestures according to their use cases and assess their ergonomic and cognitive attributes, focusing on their primary task compatibility. We defined 21 hand gestures, which allow microinteractions within manual dual task scenarios. In expert interviews we evaluated their level of required motor or cognitive resourcesunder the constraint of stable primary task performance. Our taxonomy poses a basis for designing microinteraction techniques.