8. User Interface Design

Question 1

What are the basic UI principles?

Answer 1

Layout – standard three-part structure
Awareness – always inform the user
Aesthetics – less is more
User-focused – understand the user’s goals
Consistency – enable prediction
Efficiency – minimize user effort

Question 2

What are the interface design principles?

Answer 2

• Identify inputs, outputs, and use scenarios
• Design overall interface structure
• Design standards and conventions
• Prototype, Evaluate, Iterate

Question 3

Interface Structure Design Should:

Answer 3

• Always make the next step clear
• Avoid restricting the user’s movement
• No dead ends
• Navigation mechanisms should be used
  consistently
• Let the user know consequences of leaving a form

Question 4

Describe an interface structure diagram

Answer 4

• Used to display all paths the user can take, all interactions, and all inputs and outputs (and their order).