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Augmented reality (AR) technology can support collocated work enabling users to flexibly work with digital objects while still being able to use the physical space for coordination. With most of current research focusing on remote AR collaboration, less is known about collocated collaboration in AR, particularly in relation to interpersonal dynamics between the collocated collaborators. Our study aims at understanding how shared augmented reality facilitated by mobile devices (mobile augmented reality or MAR) affects collocated users' coordination. We compare the coordination behaviors that emerged in a MAR setting with those in a comparable fully physical setting by simulating the same task -of the shared physical dimension for participants' ability to coordinate in the context of collaborative co-creation. Namely, participants working in a fully physical setting were better able to leverage the work artifact itself for their coordination needs, working in a mode that we term artifact-oriented coordination. Conversely, participants collaborating around an AR artifact leveraged the shared physical workspace for their coordination needs, working in what we refer to as space-oriented coordination. We discuss implications for a AR-based collaboration and propose directions for designers of AR tools.<\/jats:p>","DOI":"10.1145\/3479857","type":"journal-article","created":{"date-parts":[[2021,10,19]],"date-time":"2021-10-19T02:46:19Z","timestamp":1634611579000},"page":"1-29","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":12,"title":["Physicality As an Anchor for Coordination: Examining Collocated Collaboration in Physical and Mobile Augmented Reality Settings"],"prefix":"10.1145","volume":"5","author":[{"given":"Lev Poretski","family":"Poretski","sequence":"first","affiliation":[{"name":"University of Toronto, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joel","family":"Lanir","sequence":"additional","affiliation":[{"name":"The University of Haifa, Haifa, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ram","family":"Margalit","sequence":"additional","affiliation":[{"name":"University of Haifa, Haifa, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ofer","family":"Arazy","sequence":"additional","affiliation":[{"name":"University of Haifa, Haifa, Israel"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2021,10,18]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"crossref","unstructured":"Adams M.J. 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