Cscw research examples from ethnographic studies to working prototypes
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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 l.jpg

CSCW research examples:From ethnographic studies to working prototypes

John C. Tang

October 30, 2007


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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


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Popular: High fidelity video conferencing

  • Cisco Telepresence

  • HP Halo

  • Polycom Real Presence Experience

    High fidelity video and audio


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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?


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Popular: iChat AV desktop video conferencing


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Apple iChat AV

  • Integrated into all Macintosh computers

  • Very easy to use

  • Attractive graphical presentation

    Are these the main needs for successful everyday collaboration?


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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


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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


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Ethnographic studies of collaboration activity

  • Studying pairs and teams of people working together



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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


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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




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VideoDraw circa 2007

  • Recently announced Microsoft Surface

  • Research prototype application

    http://www.popularmechanics.com/blogs/technology_news/4213259.html




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Ethnography in HCI design

  • Identifying user needs

    • Sharing workspace

  • Design implications for innovative technology

    Enabling doing new things in familiar ways


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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.


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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 [email protected] 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


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