UI Design

Question 1

Why is Good UI important?

Answer 1

User interface must be designed to match skills, experience, expectations of anticipated users.
System oftenly judged by interface rather than functionality.
Poor UI can cause errors, and reason why many software systems remain unused.

Question 2

Human factors in UI design?

Answer 2

Limited short-term memory
People make mistakes
People are different

Question 3

Golden Rules of UI

Answer 3

Place User in control
Reduce user’s memory load
Make user interface consistent

Question 4

Place user in control

Answer 4

Do not force user into unnecessary actions.
Flexible interaction.
Hide technical internals from user.
Direct interaction with objects on screen.

Question 5

Reduce user’s memory load

Answer 5

Reduce demand on short-term memory.
Meaningful defaults.
Intuitive shortcuts.

Question 6

Make interface consistent

Answer 6

Put current task into meaningful context.

Maintain consistency across family of applications.