1. Scenarios and testing

2. Seeking Concreteness Abstract Analysis Synthesis Concrete Framework
Imperatives
Analysis
Synthesis
Prototypes
Observation
Concrete

3. User visioning techniques
Personas
Storyboards
Scenarios
Video prototypes
Use cases

4. Reasons to use them Build a shared understanding
Get a comprehensive view
Sell ideas
Provide concrete examples for users
Prioritize for implementation and testing

5. Scenarios at different levels
General setting
Day in the life
Specific tasks (script)

6. Testing at different levels
Paper prototypes
Wireframes
Screen mockups / clickthroughs (e.g., PowerPoint)
Interaction prototype (e.g., Flash)
System prototype

7. What to test – utility / usability
Heuristic analysis
Analytic modeling
Open-ended demonstration/interview
Structured (scripted) user test
Naturalistic use

8. References Alan Cooper, About Face
Chapters 5-6, Scenarios and Personas
Preece et al. Interaction Design,
Chapters , Needs, Design and Construction, Testing
Holtzblatt et al., Rapid Contextual Design
Chapters – Storyboarding, Testing, Paper Prototype