Usage Patterns

1. Safe Exploration: Allow undo, no one-way options (that cannot revert)
2. Instant Gratification: Show progress. Update screen as info is entered.
3. Satisficing: Let them get the job done without learning best practices.
4. Changes in Midstream: Continue where users left off.
5. Deferred Choices: Let users by-pass answering as many questions as possible
6. Incremental Construction: Let users build their work piece by piece in many go’s; don’t expect them to get it done right the first time.
7. Habituation: Use conventions users are used to
8. Spatial Memory: Don’t move things around. Users remember locations
9. Prospective Memory:
10. Streamlined Repetition:
11. Keyboard Only:
12. Other People’s Advice:

User Research

• Direct Observation
• Case Studies
• Surveys
• Persona’s

Taken from: “Designing Interfaces”, O’Reilly

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