Question: Controlled experiments and usability tests are two different ways to test the effectiveness of a user interface. The following list of answer choices are properties

Controlled experiments and usability tests are two different ways to test the effectiveness of a user interface. The following list of answer choices are properties of testing methods. Choose from below properties that are true of usability tests: (Select 2 options.) Have at least two treatments and seek to show statistically significant differences. Designed to find flaws in user interfaces rapidly. Provides validation or rejection of hypotheses. Outcome is a report with recommended changes

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