1. Interaction Design: Overview
Dr. Dania Bilal
IS 588
Spring 2008

2. What is interaction design?
Designing interactive products to support people using the products
Interdisciplinary field: examples
HCI, graphic designers, cognitive psychology, computer science, software engineers
Academic disciplines (social science, info. science, etc.)
Different backgrounds bring different perspectives into the design

3. Process Identify needs Gather requirements Develop design alternatives
Evaluate
Continuous
Implement

4. Key Characteristics Involve users
Identify and document usability and user experience goals
Iterate design through four steps in design process

5. Usability Goals Effective Efficient Safe Has good utility Learnable
Memorable

6. User Experience Goals Satisfying Enjoyable Fun Entertaining Helpful
Motivating
Aesthetically pleasing
Support of creativity
Rewarding
Emotionally fulfilling

7. Usability Principles Ten principles Jakob Nielsen Heuristics
See text and visit Nielsen’s website

8. Design Principles
General guidelines for guiding designers in the design process
Norman’s Principles
Visibility
Feedback
Constraints
physical, logical, cultural

9. Design Principles Mapping Consistency Affordances
Norman’s book: The Design of Everyday Things (1988).