The system should always keep users informed about what is going on, through appropriate feedback within reasonable time.


Usability Engineering (ed. Morgan Kaufmann, 1994) - ISBN: 9780125184069


The system should always keep users informed about what is going on, through appropriate feedback within reasonable time.

The system should always keep users informed about what is going on, through appropriate feedback within reasonable time.

The system should always keep users informed about what is going on, through appropriate feedback within reasonable time.

The system should always keep users informed about what is going on, through appropriate feedback within reasonable time.