In the interaction with a visual display unit, a user may be frustrated by:
A) no indication of the progress during the wait for system response
B) exciting music
C) a pleasing picture rendered in the display unit
D) a dynamic status bar that keeping changing to indicate the unit's working progress
E) a sound indicating the active condition of the unit

Question

Quizplus · Accepted Answer

A lack of progress indication can lead to user frustration as it leaves them uncertain about whether the system is still processing or has encountered an error.

In the Interaction with a Visual Display Unit, a User