14 Questions
What is the dimension of usability that focuses on whether the system is easy to learn?
Learnability
Which type of error occurs when a person intends to do one action but ends up doing something else, and the action performed is not the same as the intended action?
Slip
What type of error occurs when a person starts executing one sequence of actions but then veers off into another more familiar sequence that happened to start the same way?
Capture Slip
In usability, what does 'efficiency' refer to?
How quickly users can complete tasks once they have learned the system
Which dimension of usability focuses on whether errors are few and recoverable?
Safety
In usability, what does 'safety' measure?
Whether errors are few and recoverable
Which type of error occurs when a user tries to invoke an action that doesn’t have the desired effect in the current mode?
Mode Error
What term is used for a slip, an error in the execution of a learned procedure, caused by failing to correctly evaluate the state of the interface?
Mode Error
How can capture errors in a computer interface be dealt with?
Avoiding very common action sequences that have identical prefixes.
What is the term used for errors that occur when two actions are very similar and the user intends to do one action, but accidentally substitutes the other?
Description Slip
What is the best way to deal with description errors in a computer interface?
Avoiding actions with very similar descriptions
What principle emphasizes that in the give and take between the user and the system, the user should have ultimate control?
User Control and Freedom Principle
How should long operations be marked according to design principles?
Clearly Marked Exist
'Learning by doing' and 'dealing with errors' are associated with which design principle?
User Control and Freedom Principle
This quiz covers the concepts of usability and human error in the context of information visualization. It includes topics such as measuring usability, design principles for error prevention, user control, and different types of errors like slips, lapses, and failure to correctly execute procedures.
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