Which of the Following Is an Example of Design Guideline

Multiple Choice

Which of the following is an example of design guideline?

A) A good computer system should help improve users' tool-level task performance;
B) A good interface between users and a computer system should enable enjoyable and satisfying interactions;
C) Good interface of a computer system should promote users' trust in the system;
D) Feedback should be provided for users to support their control in the interaction process;
E) The interface of a computer system should be able to support diverse users.