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03 usability def designprocess

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03 usability def designprocess

  1. 1. Usability &the User-Centered Design Process
  2. 2. What arethe most important points from the reading? .50 point
  3. 3. Usability has 5 dimensions*. Each dimension can be measured. Tradeoffs - you can’t have it all. Novice - expert users - pleasing both*Learnability. Efficiency. Memorability. Errorprevention & recovery. Satisfaction.
  4. 4. http://www.wallsave.comhttp://mainda.deviantart.com/art/Skeleton-Cat-261225944
  5. 5. UsabilityLearnability. Efficiency. Memorability. Errorprevention & recovery. Satisfaction. User experience ?
  6. 6. 3 paradigms 3 User experience: and Things should be pleasant to use. Usability: and Things should be 2 easy to use.1 Engineering: Things should work.
  7. 7. How ?
  8. 8. User-centered Launch design process Production ti on Conceptual u a l Design Eva & rchRequirements a e se Analysis R
  9. 9. Identify users / user groups Understand user goals & needs Understand client goals & needs Technical requirements & limitations Research previous versions Research competitionRequirements Conceptual Production Launch Analysis Design Research & Evaluation
  10. 10. Brainstorming Sketches Mockups, wireframes, prototypes Prototype evaluation Information architectureRequirements Conceptual Production Launch Analysis Design Research & Evaluation
  11. 11. Production Evaluation: usability testingRequirements Conceptual Production Launch Analysis Design Research & Evaluation
  12. 12. Quality assurance User problem trackingRequirements Conceptual Production Launch Analysis Design Research & Evaluation
  13. 13. iterative process users Next steps: Apply process Understanding users

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