03 bad usability kills

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03 bad usability kills

  1. 1. Jan 23 Learning Goals 1. Appreciate the importance of user-centered design (user error = design error) 2. Distinguish between UCD and design as art 3. List the major steps of UCD 4. Identify examples of affordances
  2. 2. http://www.nngroup.com/articles/medicalusability/
  3. 3. User error = Poor design
  4. 4. design User error = Poor design
  5. 5. UC design Engineering practice
  6. 6. UC design Goals? How do we know if a product is successful?
  7. 7. 3 paradigms 3 2 1 User experience: and Things should be pleasant to use. Usability: and Things should be easy to use. Engineering: Things should work.
  8. 8. How ?
  9. 9. User-centered design process Launch Production Conceptual Design Requirements Analysis
  10. 10. Identify users / user groups Understand user goals & needs Understand client goals & needs Technical requirements & limitations Research previous versions Research competition Requirements Analysis Conceptual Design Research & Evaluation Production Launch
  11. 11. Brainstorming Sketches Mockups, wireframes, prototypes Prototype evaluation Information architecture Requirements Analysis Conceptual Design Research & Evaluation Production Launch
  12. 12. Production Evaluation: usability testing Requirements Analysis Conceptual Design Research & Evaluation Production Launch
  13. 13. Quality assurance User problem tracking Requirements Analysis Conceptual Design Research & Evaluation Production Launch
  14. 14. iterative process users Next steps: Apply process Understanding users
  15. 15. Affordance Examples around you?
  16. 16. Affordance How can the concepts of affordance & mental models help accomplish UCD goals?
  17. 17. Affordance • Teams of 3 • Find 3-4 examples of affordances on a phone Discuss: How can the concepts of affordance & mental models help accomplish UCD goals?

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