Design For Interaction 2

Interface Design and Usability

HCI - Human Computer Interaction

• Design, evaluation and implementation
• A bridging
• Humans - Computers

Goals of HCI
A HCI approach aims to

• Support
• Extend
• Optimisation
• How ?

Multi Dimensional Nature of Usability

• Learnability
• Re-learnability Memorable
• Utility
• Flexability
• Effeciency
• Safety
• Effectiveness
• Usability Criteria

The User Experience

• Feel
• Satisfying
• Aesthetically pleasing
• Enjoyable
• Fun
• Entertaining
• Motivating
• Helpful/supportive
• Rewarding
• Emotionally Fullfilling

(Norman 1988)
(Nielsen 2001)
Usability principles useit.com nng.com