What They Don't Teach You About Usability Testing (english version)

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This presentation is given in 2010 UiGathering Taiwan to share my pratical experience (or tips) on using usaiblity testing method to evaluate mobile devices.

Published in: Technology, Design

What They Don't Teach You About Usability Testing (english version)

  1. 1. What They Don’t Teach You  About Usability Testing Jen Wang 
  2. 2. Usable
  3. 3. Usable Useful
  4. 4. Usable Useful Satisfied
  5. 5. Expert
  6. 6. User
  7. 7. Usability Testing
  8. 8. Planning Recruiting Testing Analyzing Reporting
  9. 9. ideal vs. reality
  10. 10. ideal vs. reality
  11. 11. Test Settings Data Log Source of Users Task Design Thinking Aloud
  12. 12. Test Settings
  13. 13. Lab Boardroom
  14. 14. Car Simulation
  15. 15. Does real context impact the testing results?
  16. 16. Kaikkonen,A., Kekäläinen,A., Cankar,M., Kallio,T., and Kankainen, A., Usability Testing of Mobile Applications: A Comparison between Laboratory and Field Testing, Journal of Usability Studies, Issue 1, Volume 1, November 2005, pp. 4-17 Lab Field
  17. 17. Data Log
  18. 18. Machine Memory
  19. 19. When memory low, how to increase the ability taking notes?
  20. 20. Completion time Task description Quick Script
  21. 21. Success criteriaSuccess/Failed Failed reasons Quick Script
  22. 22. Path A for completing this task Path B for completing this task Quick Script
  23. 23. Food for Increasing Brain Power!
  24. 24. Source of Users
  25. 25. From Agency Friends & Family
  26. 26. 10 x 5,000 = 50,000 Per usability testing, in-house recruiting saved NT$50000 than outsourcing at least.
  27. 27. 10 x 5,000 x 12 = 600,000 Recruiting users by snowballing is cheaper, but…
  28. 28. In-house recruitment is quite time consuming…
  29. 29. User Database
  30. 30. Task Design
  31. 31. New Feature Voice Command New + Main Voice Command Call Handling Routing
  32. 32. x 10 = 10 users Except for new feature, main features are tested in each usability testing, so that plenty of user data can be collected through several testings.
  33. 33. x 10 x 12 = 120 users
  34. 34. How to determine the main functions for our products?
  35. 35. Nothing changed.
  36. 36. Become another product.
  37. 37. Thinking Aloud
  38. 38. Explanation Demonstration
  39. 39. How to make Taiwan users comfortable with thinking aloud?
  40. 40. Easy-going Practice (math pratice)
  41. 41. ideal vs. reality
  42. 42. ideal vs. reality
  43. 43. Thank You
  44. 44. Jen.wang.ux@gmail.com

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