1. Usability Testing Types
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2. Remember our
core terms:
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3. Wednesday, February 8, 12

4. • Efficiency
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5. • Efficiency
• Learnability
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6. • Efficiency
• Learnability
• Satisfaction
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7. • Efficiency
• Learnability
• Satisfaction
• Effectiveness (R&C) / Errors (N)
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8. • Efficiency
• Learnability
• Satisfaction
• Effectiveness (R&C) / Errors (N)
• Memorability (N)
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9. • Efficiency
• Learnability
• Satisfaction
• Effectiveness (R&C) / Errors (N)
• Memorability (N)
• Accessibility (R&C)
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10. accessibility
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11. “making products usable
by people who have
disabilities.”
(R&C 5)
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12. Wednesday, February 8, 12

13. Wednesday, February 8, 12

14. Wednesday, February 8, 12

15. Wednesday, February 8, 12

16. Wednesday, February 8, 12

17. Usability is
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18. the absence of frustration.
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19. Let’s talk testing.
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20. Bailey’s Human
Performance Model
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21. • the human
• the context
• the activity
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22. user-centered design
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23. “UCD is the techniques, processes, methods, and
procedures for designing usable products and systems...
It is the philosophy that places the user at the center of
the process.”
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24. How do we figure
this out?
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25. In a perfect world, you
start from the
beginning.
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26. We are not working in
perfect worlds.
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27. Wednesday, February 8, 12

28. Wednesday, February 8, 12

29. $74,000 - $105,000
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30. Wednesday, February 8, 12

31. Instead, we’re going
to DIY.
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32. Wednesday, February 8, 12

33. Band on every street corner.
A ‘zine in every bar.
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34. A usability specialist in every workplace.
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35. quick & dirty
experiments.
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36. Wednesday, February 8, 12

37. experiential
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38. human subjects
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39. our job is to
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40. develop:
- research questions
- test objectives
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41. Representative sample
of users
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42. Representation of
actual work
environments.
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43. Observation of
end users
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44. Interviewing
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45. Collection of
performance and
preference measures.
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46. Recommendation of
improvements.
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47. Study Types
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48. iterative design
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49. Exploratory/Formative
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50. Wednesday, February 8, 12

51. Not how well. (Yet.)
Why.
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52. Exploratory
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53. Assessment /
Summative
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54. now we’re into
how well. Sort of.
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55. Validation / Verification
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56. Comparisons
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57. Testing Environments
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58. Lab
Onsite
Mobile
Remote
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59. user comfort
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60. observer location
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61. recording movement?
recording sound?
recording expressions?
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62. Wednesday, February 8, 12

63. or,
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64. Wednesday, February 8, 12

65. honest
fair
responsible
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66. informed
consent
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67. confidentiality
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68. manipulation of data
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69. validity / reliability
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70. - techniques / methods
- researcher’s stance
- assumptions
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71. human subjects
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72. human subjects
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73. relationship with
audience
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