HCI: Gulf of Excution and Gulf of Evaluation
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The Gulf of Execution
Process:
- Identify intentions
- Identify actions
- Execute in interface
Five tips for bridging gulfs of execution
- Make functions discoverable
- Let the user mess around
- Be consistent with other tools
- Know your user
- Feedforward
The Gulf of Evaluation
Process:
- Get interface output
- Interpret output
- Evaluation
Five tips for bridging gulfs of execution
- Give feedback constantly
- Give feedback immediately
- Match the feedback to the action
- Vary your feedback
- Leverage direct manipulation
