In Nielsens set of heuristics, the rule "user control and freedom" states that:

In Nielsens set of heuristics, the rule "user control and freedom" states that:


a. You should provide the user with clearly marked emergency exits to leave the unwanted states

b. The user should be able to customise his/her interface as much as possible

c. Lessen the use of constraints in order to allow the user to do whatever they like


Answer: a


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