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| subject > criterion > principle > usability principle > usability principle 8 | 
| usability principle 8 comparison table | ||||
| Subject | is an instance of | follow by | is a kind of | state | 
|---|---|---|---|---|
| usability principle | principle | |||
| usability principle 8 | usability principle | 
  | Ensure that the user always feels in control | 
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