## Spatially-aware or spatially-agnostic? : Elicitation and Evaluation of User-Defined Cross-Device Interactions

2015
Lu, Zhihao
Rogers, Yvonne
##### Project
Blended Library - Bibliothek der Zukunft
Cross Device Interaction
##### Publication type
Contribution to a conference collection
##### Published in
CHI '15 Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems / Bo Begole et al. (ed.). - New York : ACM, 2015. - pp. 3913-3922. - ISBN 978-1-4503-3145-6
##### Abstract
Cross-device interaction between multiple mobile devices is a popular field of research in HCI. However, the appropriate design of this interaction is still an open question, with competing approaches such as spatially-aware vs. spatially-agnostic techniques. In this paper, we present the results of a two-phase user study that explores this design space: In phase 1, we elicited gestures for typical mobile cross-device tasks from 4 focus groups (N=17). The results show that 71% of the elicited gestures were spatially-aware and that participants strongly associated cross-device tasks with interacting and thinking in space. In phase 2, we implemented one spatially-agnostic and two spatially-aware techniques from phase 1 and compared them in a controlled experiment (N=12). The results indicate that spatially-aware techniques are preferred by users and can decrease mental demand, effort, and frustration, but only when they are designed with great care. We conclude with a summary of findings to inform the design of future cross-device interactions.
##### Subject (DDC)
004 Computer Science
##### Conference
CHI Conference on Human Factors in Computing Systems, Apr 18, 2015 - Apr 23, 2015, Seoul
##### Cite This
ISO 690RÄDLE, Roman, Hans-Christian JETTER, Mario SCHREINER, Zhihao LU, Harald REITERER, Yvonne ROGERS, 2015. Spatially-aware or spatially-agnostic? : Elicitation and Evaluation of User-Defined Cross-Device Interactions. CHI Conference on Human Factors in Computing Systems. Seoul, Apr 18, 2015 - Apr 23, 2015. In: BO BEGOLE, , ed. and others. CHI '15 Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems. New York:ACM, pp. 3913-3922. ISBN 978-1-4503-3145-6. Available under: doi: 10.1145/2702123.2702287
BibTex
@inproceedings{Radle2015Spati-31478,
year={2015},
doi={10.1145/2702123.2702287},
title={Spatially-aware or spatially-agnostic? : Elicitation and Evaluation of User-Defined Cross-Device Interactions},
isbn={978-1-4503-3145-6},
publisher={ACM},
booktitle={CHI '15 Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems},
pages={3913--3922},
editor={Bo Begole},
author={Rädle, Roman and Jetter, Hans-Christian and Schreiner, Mario and Lu, Zhihao and Reiterer, Harald and Rogers, Yvonne}
}

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