Usability and Human Error in Information Visualization
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Questions and Answers

What is the dimension of usability that focuses on whether the system is easy to learn?

  • Learnability (correct)
  • Safety
  • Effectiveness
  • Efficiency

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?

  • Capture Slip
  • Slip (correct)
  • Lapse
  • Mistake

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?

  • Mistake
  • Capture Slip (correct)
  • Slip
  • Lapse

In usability, what does 'efficiency' refer to?

<p>How quickly users can complete tasks once they have learned the system (A)</p> Signup and view all the answers

Which dimension of usability focuses on whether errors are few and recoverable?

<p>Safety (C)</p> Signup and view all the answers

In usability, what does 'safety' measure?

<p>Whether errors are few and recoverable (D)</p> Signup and view all the answers

Which type of error occurs when a user tries to invoke an action that doesn’t have the desired effect in the current mode?

<p>Mode Error (B)</p> Signup and view all the answers

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?

<p>Mode Error (A)</p> Signup and view all the answers

How can capture errors in a computer interface be dealt with?

<p>Avoiding very common action sequences that have identical prefixes. (C)</p> Signup and view all the answers

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?

<p>Description Slip (A)</p> Signup and view all the answers

What is the best way to deal with description errors in a computer interface?

<p>Avoiding actions with very similar descriptions (B)</p> Signup and view all the answers

What principle emphasizes that in the give and take between the user and the system, the user should have ultimate control?

<p>User Control and Freedom Principle (B)</p> Signup and view all the answers

How should long operations be marked according to design principles?

<p>Clearly Marked Exist (A)</p> Signup and view all the answers

'Learning by doing' and 'dealing with errors' are associated with which design principle?

<p>User Control and Freedom Principle (B)</p> Signup and view all the answers

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