User research for interaction design Scenarios

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User research for interaction design
Scenarios

• Victor Kaptelinin
• vklinin_at_informatik.umu.se090-786 5927
• Feb 21, 2006

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Scenarios

• Narrative descriptions of interactions between
  users and proposed systems
• Sample procedures of execution of a system
• Scenarios and specifications

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Salient scenarios

• Have a point and that helps people understand the
  exemplified system
• Guidelines for creating salient scenarios
• Each goal and obstacle is represented by one
  episode. An episode is a sequence of actions
  allocated to actors
• Each scenario has a single point -- an
  alternative operational definition of a a goal or
  episode
• Standard structure

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Scenario structure

• Scenario --gt Setting Narrative Evaluation
• Setting gt Background Roles
• Roles gt Role
• Narrative gt Episode Episode
• Episode gt Goal Action Outcome

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Example
Meeting request satisfied
Time constraints known
Scheduler available
Participants notified
Meeting planned
Participants constraints requested
Participants constraints provided
Meeting planned with negotiation
Meeting planned without negotiation
Participants preferences known
Final approval asked
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Uses of scenarios

• Alternative proposed systems can be compared
• Alternative courses of action can be compared
• Revealing obstacles and suggesting possible ways
  to overcome them