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CSCW research examples: From ethnographic studies to working prototypes. John C. Tang October 30, 2007. NEEDS. DESIGN. EVALUATE. IMPLEMENT. Research: Using video to support collaboration. My research focuses on supporting collaboration (CSCW) Uses ethnographic studies for need-finding

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CSCW research examples: From ethnographic studies to working prototypes


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    1. CSCW research examples:From ethnographic studies to working prototypes John C. Tang October 30, 2007

    2. NEEDS DESIGN EVALUATE IMPLEMENT Research: Using video to support collaboration • My research focuses on supporting collaboration (CSCW) • Uses ethnographic studies for need-finding • Example of design process, differences from popular trends

    3. Popular: High fidelity video conferencing • Cisco Telepresence • HP Halo • Polycom Real Presence Experience High fidelity video and audio

    4. Cisco Telepresence • Target audience: Company Executives • Rules of Telepresence • Present far end participants life size • Provide virtual eye contact • Do not pollute visual display with distractions Are these the main needs for successful everyday collaboration?

    5. Popular: iChat AV desktop video conferencing

    6. Apple iChat AV • Integrated into all Macintosh computers • Very easy to use • Attractive graphical presentation Are these the main needs for successful everyday collaboration?

    7. Awareness cues for remote collaboration • Hard part is social problem • Gracefully sharing a workspace • Cues for negotiating interaction lost among remote collaborators (i.e., phone) • Review research prototypes for remote collaboration • VideoDraw • VideoWhiteboard Innovation in mediated support for collaboration

    8. Ethnography Branch of anthropology that deals with the scientific description of specific human cultures • Typically applied to study of foreign cultures • More recently applied to work cultures or simply users of technology

    9. Ethnographic studies of collaboration activity • Studying pairs and teams of people working together

    10. Shared drawing example

    11. Shared workspace • Creating an engaging, interactive shared workspace among remote collaborators • Sharing awareness cues that enable collaborators to negotiate • Graceful turn-taking • Gestures with respect to drawings • Showing the process of creating drawings • Sharing space • Building on each others’ work

    12. VideoDraw shared drawing space • Based on empirical studies of teams engaged in conceptual design • Series of video-based prototypes for creating a shared drawing surface • Table-sized VideoDraw • Whiteboard-sized VideoWhiteboard • Built in a Media Space environment Xerox PARC Scott Minneman and Media Space team

    13. VideoDraw Schematic

    14. VideoDraw (video)

    15. VideoDraw circa 2007 • Recently announced Microsoft Surface • Research prototype application http://www.popularmechanics.com/blogs/technology_news/4213259.html

    16. VideoWhiteboard Schematic

    17. VideoWhiteboard demo

    18. Ethnography in HCI design • Identifying user needs • Sharing workspace • Design implications for innovative technology Enabling doing new things in familiar ways

    19. For more information • Tang, John C. and Scott L. Minneman, "VideoDraw: A Video Interface for Collaborative Drawing", ACM Transactions on Information Systems, Vol. 9, No. 2, April 1991, pp. 170-184. • Tang, John C. and Scott L. Minneman, "VideoWhiteboard: Video Shadows to Support Remote Collaboration", CHI '91, 1991, pp. 315-322. • Tang, John C. and Scott L. Minneman, "VideoDraw: A Video Interface for Collaborative Drawing", CHI '90, Seattle, WA, 1990, pp. 313-320.

    20. Group project assignment • Checkpoint now due Nov. 7 • Sign up for 15-minute block from 12:00-3:00 on Nov. 7 (Soda 405) • Email btsao@berkeley.edu with 3-top choices of 15-minute block by Thursday, Nov. 1 (he will publish schedule) • Prepare 10-minute demo of at least 2 features • Your opportunity to get feedback from us • Public demo sesssion still Nov. 13 • Prepare poster by 5:00pm Sunday, Nov. 11