Usability intro 419

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Usability intro 419

  1. 1. UsabilityWednesday, January 18, 12
  2. 2. Usability (n): The effectiveness, efficiency, and satisfaction with which users can achieve tasks in a particular environment of a product.Wednesday, January 18, 12
  3. 3. High usability means a system is:Wednesday, January 18, 12
  4. 4. easy to learn and rememberWednesday, January 18, 12
  5. 5. efficient, visually pleasing, and fun to useWednesday, January 18, 12
  6. 6. quick to recover from errorsWednesday, January 18, 12
  7. 7. Wednesday, January 18, 12
  8. 8. If your audience finds your document difficult to use, it doesn’t mean that they’ve failed.Wednesday, January 18, 12
  9. 9. It means that you failed them.Wednesday, January 18, 12
  10. 10. Things should be obvious.Wednesday, January 18, 12
  11. 11. • Where to click • How to search • How to navigate individual pagesWednesday, January 18, 12
  12. 12. Bad design is one thing, but ...Wednesday, January 18, 12
  13. 13. context is another part of the problem.Wednesday, January 18, 12
  14. 14. We’d like to think of our readers as...Wednesday, January 18, 12
  15. 15. Wednesday, January 18, 12
  16. 16. Wednesday, January 18, 12
  17. 17. This almost never happens.Wednesday, January 18, 12
  18. 18. Wednesday, January 18, 12
  19. 19. Wednesday, January 18, 12
  20. 20. Wednesday, January 18, 12
  21. 21. Wednesday, January 18, 12
  22. 22. Users look feverishly for anything that is:Wednesday, January 18, 12
  23. 23. interestingWednesday, January 18, 12
  24. 24. vaguely resembles what they’re looking forWednesday, January 18, 12
  25. 25. is clickable.Wednesday, January 18, 12
  26. 26. Usability is mostly common sense.Wednesday, January 18, 12
  27. 27. We don’t read screens.Wednesday, January 18, 12
  28. 28. We don’t read screens. We scan screens.Wednesday, January 18, 12
  29. 29. We don’t make optimal choices.Wednesday, January 18, 12
  30. 30. We satisfice.Wednesday, January 18, 12
  31. 31. satisfying + sufficing = satisficeWednesday, January 18, 12
  32. 32. Why not look for the best choice?Wednesday, January 18, 12
  33. 33. 4Wednesday, January 18, 12
  34. 34. 1. We’re usually in a hurry.Wednesday, January 18, 12
  35. 35. 2. There’s not much of a penalty for guessing wrong.Wednesday, January 18, 12
  36. 36. 3. Weighing options may not improve our chances.Wednesday, January 18, 12
  37. 37. 4. Guessing is more fun.Wednesday, January 18, 12
  38. 38. Your job is to take all this into account.Wednesday, January 18, 12
  39. 39. Designing and writing with end-users in mindWednesday, January 18, 12
  40. 40. Designing and writing with end-users in mindWednesday, January 18, 12
  41. 41. Revising with end-users in mindWednesday, January 18, 12
  42. 42. RevisionWednesday, January 18, 12
  43. 43. We’re not fixing websites in this class.Wednesday, January 18, 12
  44. 44. We’re making recommendationsWednesday, January 18, 12
  45. 45. about effective revision.Wednesday, January 18, 12
  46. 46. but in the process,Wednesday, January 18, 12
  47. 47. you’ll write. a lot.Wednesday, January 18, 12
  48. 48. Professional WritingWednesday, January 18, 12
  49. 49. Status Reports Heuristic Evals Testing Materials Executive Summaries Testing Reports Performance EvalsWednesday, January 18, 12
  50. 50. This is also a class aboutWednesday, January 18, 12
  51. 51. work.Wednesday, January 18, 12
  52. 52. Working ... professionally. in distributed environments.Wednesday, January 18, 12

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