My presentation to my team on usability.

1. Usability Testing
the beginning of the experience
Haobam Martin – Lead Web Designer, ANZ UX Design

2. Usability… What?
Usability refers to the extent to which a product can be used by specified users
to achieve specified goals with effectiveness, efficiency and satisfaction in
a specified context of user. - ISO 9241-11

3. Usability… What?
• Ease of learning
• Efficiency of use
• Memorability
• Error frequency and severity
• Subjective satisfaction

4. Usability… Why?
• Users are impatient
• More features the better
• Even the best designer get it wrong
• Competitors have it, lets have it
• Complex online activities in everyday life
• Usability is next to profitability

5. Interaction
Visuals Techniques
User’s Model

6. Self Actualization
Esteem
Love/Belonging
Safety
Physiological
Maslow’s Hierarchy of Needs

7. If you want to make a revolution, you have to raise
lowest common denominator
Steve Jobs, Co-founder + CEO Apple

8. Usability… How?
• Summative test
• Formative test

9. When the cook tastes the soup, that’s formative;
when the guests taste the soup, that’s summative
Robert Stakes, University of Illinois

10. Usability… How?
• Subjective • Qualitative
• Objective • Quantitative
Plan the test Collect data Analyse Conclusion Iterate

11. But How?
• Early Prototype
• Card Sort
• Open card sort • Closed card sort
• Paper Prototype
• Wire framing
• Contextual Interviews

12. But How?
• User Analysis
• Heuristics Evaluation
• Surveys Online
Observer Participants

13. But How?
• User Analysis
• Heuristics Evaluation
• Surveys Online

16. How does usability fit?
• On Visual Design
• On layout
• On terminology
• On Messaging
• On Navigation
• On Task Flow
• On Task Support

17. How does usability fit?

18. Questions?