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dc.contributor.authorDoucette, Andre
dc.contributor.authorGutwin, Carl
dc.contributor.authorMandryk, Regan L.
dc.contributor.authorNacenta, Miguel
dc.contributor.authorSharma, Sunny
dc.identifier.citationDoucette , A , Gutwin , C , Mandryk , R L , Nacenta , M & Sharma , S 2013 , Sometimes when we touch : how arm embodiments change reaching and collaboration on digital tables . in Proceedings of the 2013 Conference on Computer Supported Cooperative Work . CSCW '13 , ACM , New York, NY, USA , pp. 193-202 .
dc.identifier.otherPURE: 63830405
dc.identifier.otherPURE UUID: 1bb62dd6-7c69-4cde-84c1-e482ce9b09c9
dc.identifier.otherBibtex: urn:cd3e95e01886f9e1f1da88d758effeda
dc.identifier.otherScopus: 84874837714
dc.identifier.otherORCID: /0000-0002-9864-9654/work/34034545
dc.descriptionThis work was supported by the Natural Sciences and Engineering Research Council of Canada, the SurfNet Research Network, and the Walter C. Sumner Foundation.en
dc.description.abstractIn tabletop work with direct input, people avoid crossing each others' arms. This natural touch avoidance has important consequences for coordination: for example, people rarely grab the same item simultaneously, and negotiate access to the workspace via turn-taking. At digital tables, however, some situations require the use of indirect input (e.g., large tables or remote participants), and in these cases, people are often represented with virtual arm embodiments. There is little information about what happens to coordination and reaching when we move from physical to digital arm embodiments. To gather this information, we carried out a controlled study of tabletop behaviour with different embodiments. We found dramatic differences in moving to a digital embodiment: people touch and cross with virtual arms far more than they do with real arms, which removes a natural coordination mechanism in tabletop work. We also show that increasing the visual realism of the embodiment does not change behaviour, but that changing the thickness has a minor effect. Our study identifies important design principles for virtual embodiments in tabletop groupware, and adds to our understanding of embodied interaction in small groups.
dc.relation.ispartofProceedings of the 2013 Conference on Computer Supported Cooperative Worken
dc.relation.ispartofseriesCSCW '13en
dc.rights© ACM 2013. This is the author's version of the work. It is posted here for your personal use. Not for redistribution. The definitive Version of Record was published in the Proceedings of the 2013 conference on Computer supported cooperative work (CSCW '13), The copy of record of the paper can be found in:
dc.subjectSocial normsen
dc.subjectCo-located groupwareen
dc.subjectQA75 Electronic computers. Computer scienceen
dc.titleSometimes when we touch : how arm embodiments change reaching and collaboration on digital tablesen
dc.typeConference itemen
dc.contributor.institutionUniversity of St Andrews. School of Computer Scienceen

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