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| subject > criterion > principle > ethical principle of usability evaluation > ethical principle of usability evaluation 2 | 
| ethical principle of usability evaluation 2 | ||||
| subject | fact | |||
| ethical principle of usability evaluation 2 | is a subtopic of 7.6 - Evaluating User Interfaces | ![]()  | 
| is an instance of ethical principle of usability evaluation | ![]()  | |
| states that users must fully understand the purpose of the study and are made to feel at ease | ![]()  |