a field study of community bar (mis)-matches between theory and practice
DESCRIPTION
A Field Study of Community Bar (Mis)-matches between Theory and Practice. Natalia Romero Gregor McEwan Saul Greenberg. University of Calgary. Eindhoven University of Technology. HxI Initiative National ICT Australia. Message. - PowerPoint PPT PresentationTRANSCRIPT
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A Field Study of Community Bar
(Mis)-matches between Theory and Practice
Natalia Romero Gregor McEwan Saul Greenberg
EindhovenUniversity of Technology
HxI InitiativeNational ICT Australia
University of Calgary
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Message
We can use theory to inform concrete design, but details matter.
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Building Community Bar
Theory
Design Principles
CommunityBar
Notification Collage SideShow
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Evaluation
Theory
Design Principles
CommunityBar
Notification Collage SideShow
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Community Bar
Support for distributed informal awareness and casual interaction
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Video not included, but presented at the conference
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Evaluation: Field Study
15 participants–3 time zones–5 sites (+ home locations)–Calgary graduate student lab
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Data collection–Server and client logging–Diary media items–Interviews
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Theory and Design Principles
1. Informal Awareness & Casual Interaction
2. Locales Framework
3. Focus/Nimbus Model ofAwareness
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Theory and Design Principles
1. Informal Awareness & Casual Interaction
2. Locales Framework
1. Awareness information should be always visible at the periphery
2. Allow lightweight transitions from Awareness to Interaction
3. Support Groups of Intimate Collaborators
4. Provide Rich Information Sources and Communication Channels
5. Provide Locales6. Relate Locales to One Another
7. Allow People to Manage and stay aware of their evolving interactions over time
8. Provide methods for controlling focus
9. Provide methods for controlling nimbus
3. Focus/Nimbus Model ofAwareness
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Theory and Design Principles
1. Informal Awareness & Casual Interaction
2. Locales Framework
1. Awareness information should be always visible at the periphery
2. Allow lightweight transitions from Awareness to Interaction
3. Support Groups of Intimate Collaborators
4. Provide Rich Information Sources and Communication Channels
5. Provide Locales6. Relate Locales to One Another
7. Allow People to Manage and stay aware of their evolving interactions over time
8. Provide methods for controlling focus
9. Provide methods for controlling nimbus
3. Focus/Nimbus Model ofAwareness
![Page 11: A Field Study of Community Bar (Mis)-matches between Theory and Practice](https://reader035.vdocument.in/reader035/viewer/2022062718/56812ea9550346895d9446be/html5/thumbnails/11.jpg)
Support Easy Transitions from Awareness to Casual Interaction
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Video not included, but presented at the conference
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Video not included, but presented at the conference
![Page 14: A Field Study of Community Bar (Mis)-matches between Theory and Practice](https://reader035.vdocument.in/reader035/viewer/2022062718/56812ea9550346895d9446be/html5/thumbnails/14.jpg)
Design
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Design
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Design
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Evaluation: The Chat Item works well
Long Conversation Short Replies
Glance
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Evaluation: Others not so well…
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Implications for Design
*(Cadiz et al, 2002)
Simple drill-down and quick escape* works well
BUT
Presentation levels must match the type of information and interaction.
Each presentation must offer significant value over the others.
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Provide Locales
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Theory
Collaboration occurs in groups
Individuals are active in multiple groups at the same time
A Locale is a group and its site and tools for collaboration
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DesignPlace 1
Place 2
Place 3
Place 4
Place = Locale
Easy to create and join multiple Places
Concurrent display of multiple Places
Each new interaction group will have a new Place
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Evaluation
Place 1
Locales more dynamic than Places
Places not used
Short lived dynamic sub-groups
Mostly OK but some interactions are bothersome to others
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Implications for Design
There was simultaneous multi-group interaction
BUT
CB Places are too “room-like”
Remove explicit boundaries between Locales
Locale management must be even more dynamic, perhaps implicit
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Provide Methods for Controlling Focus
Provide Methods for Controlling Nimbus
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Theory
A
B
NimbusB
FocusA
Awareness
(Benford and Fahlen, 1993) (Rodden, 1996)
A B
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Design
High FocusHigh Nimbus High Awareness
Jim’s CB Nimbus
Kim’s CB Focus
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Design
Low FocusHigh Nimbus Low Awareness
Jim’s CB Nimbus
Kim’s CB Focus
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Design
High FocusLow Nimbus Low Awareness
Jim’s CB Nimbus
Kim’s CB Focus
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Evaluation
Focus controls not used→ only when space is full to maximise videos
“lots of people log in and it makes everybody smaller … I would go back and make [them] bigger so that I could actually see them”
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Evaluation
Nimbus controls not used→ Group social norms discourage reducing nimbus
“The social environment was such that it would be weird if you [reduced nimbus] … People may ask questions like why”
But people did change their Nimbus• Changing camera focus, • camera showing keyboard, • not capturing passers-by
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Implications for Design
Focus and Nimbus are important
BUT
Awareness controls should be lightweight and implicit
Explicit focus and nimbus controls are not useful
Social structures and patterns determine behaviour more than interface functionality
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Summary
Theory predicts what we saw little concrete guidance
Design Principles tell us what to do don’t tell us how to do it
Implementation demonstrates efficacy of theoretical themes concrete details are not always successful
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Message
We can use theory to inform concrete design, but details matter.
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Final words
“I really lose out, mostly on this feeling of being connected … there’s no-one else around and it’s very isolating.”
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Download and use CB!
http://grouplab.cpsc.ucalgary.ca/CB