cct 333: imagining the audience in a wired world class 9: complexity, activity theory and final test...
TRANSCRIPT
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CCT 333: Imagining the Audience in a Wired World
Class 9: Complexity, Activity Theory and Final Test Review
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Complexity and Interaction
• What technologies may get more complex to use when more people are involved?
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Internal/External/Shared
• Internal representations - individual mental models of reality
• External representations - anything outside individual that guides activity (e.g., layout, notes, diagrams, etc.)
• Shared representations - individuals come together over external representations to create shared understanding (or confusion…)
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Plans and Situated Actions
• Treats user interaction as a set of defined plans
• Plans in context - often contingent and less cut and dry than expected
• Humans don’t crash when plans fail - we adapt, create new plans on the fly
• Xerox technician example – formalized plans complimented by dialogue, sharing of stories
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Activity Theory
• Represents complexity of interaction among subjects, objects, artefacts and cultural expectations
• As a theory, can be hard to use in practice - but also quite powerful
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Artefact
Subject Object
Praxis Community Division ofLabour
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Nodes in Activity Triangle
• Subject - people• Object - goal, task (think objective, not things)• Artefact - tools, technologies• Community - others affected by the activity• Division of Labour – the role of power
relations in accomplishing task• Praxis – norms/mores governing activity
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Contradictions
• Primary - conflict at node (e.g., two subjects having different notions)
• Secondary - conflict between nodes (e.g., division of labour causing ineffective power relations)
• Tertiary - conflicts when activities are redesigned (e.g., change in model conflicts with old expectations)
• Quarternary - conflicts between simultaneous activities (e.g., one activity diagram contradicts another)
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Example: CVEs
• Collaborative virtual environments - VR which embodies user in virtual space
• Affords interaction with other embodied users in real time
• Second Life example
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CVEs in Conferences
• Interesting way to bridge distance gaps• Time gaps a problem• Orientation issues in virtual world - people
talking to walls, etc. (and why it doesn’t matter)
• Confusing spaces and avatars - fantastic displays but for what purpose?
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Activity Theory Analysis
• Subjects - conference attendees• Object - engage in collaboration, talk• Artefacts - virtual conference environment, posters,
websites, etc.• Community - attendees, lurkers• Division of Labour - who is/is not allowed to talk at
any given time, access restrictions• Praxis - expectations of conference environment,
turn-taking, etc.
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Final Test Review
• Some MC – 15 for 30%• A case study – a set of questions based on a
single premise• Mostly based on lecture material, but do
know the general lay of the land of the labs (e.g., if you were going to pick 3 things you learned from labs on case X, what would they be?)
• 1:00-2:50pm, right here.