CT-UT: Certified Tester Usability TestingDemo

By ISTQB · Question Mode

QuestionQ5

Evaluating Usability, User Experience and Accessibility

A company sells its products through a web shop in which users can add items to a shopping cart. After clicking “checkout,” the checkout process begins and users can no longer go back to correct possible mistakes. Their only option is to use the browser’s “back” button, which may cause the session to expire and all shopping-cart items to be lost.

Which of the following heuristics best describes this usability issue?

  • A User control and freedom
  • B Aesthetic and minimalist design
  • C Help and documentation
  • D Visibility of system status
Explanation

User interfaces should give users a clearly marked way to leave an unwanted state and to undo or reverse actions. A checkout process that prevents returning to correct mistakes violates user control and freedom.

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