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06 usability testing metrics and wea
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06 usability testing metrics and wea

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  • 1. Usability Metrics
  • 2. 1 Performance 2 Issue metrics 3 Behavioral 4 Self-reported
  • 3. 1 Performance Task success Time on task Errors 2 Issue metrics 3 Behavioral 4 Self-reported Efficiency
  • 4. 1 Performance Task success Time on task 2 Errors Efficiency Issue metrics Identify Issue Issue Severity 3 Behavioral 4 Self-reported
  • 5. 1 Performance Task success Time on task 2 Issue Severity Behavioral Obs:Verbal bhvr 4 Efficiency Issue metrics Identify Issue 3 Errors Obs: Nonverbal bhvr Self-reported
  • 6. 1 Performance Task success Time on task 2 Issue Severity Behavioral Obs:Verbal bhvr 4 Efficiency Issue metrics Identify Issue 3 Errors Obs: Nonverbal bhvr Self-reported Ease Satisfaction Clarity Comprehension etc.
  • 7. The Usability Test
  • 8. 1 Opening 2 Pre-session Questionnaire 3 UT Session: Tasks 4 Post-session Questionnaire
  • 9. 1 Opening A. Introductions B. Explanation C. IRB D. Qs??? 2 Pre-session Questionnaire 3 UT Session: Tasks 4 Post-session Questionnaire
  • 10. 1 Opening A. Introductions 2 B. Explanation C. IRB D. Qs??? Pre-session Questionnaire Any variables that could influence metrics: demographics, familiarity, attitudes, etc. 3 UT Session: Tasks 4 Post-session Questionnaire
  • 11. 1 Opening A. Introductions 2 B. Explanation C. IRB D. Qs??? Pre-session Questionnaire Any variables that could influence metrics: demographics, familiarity, attitudes, etc. 3 UT Session: Tasks A. Pre-task questionnaire B. Task 4 C. Post-task questionnaire D. Post-task interview Post-session Questionnaire
  • 12. 1 Opening A. Introductions 2 B. Explanation C. IRB D. Qs??? Pre-session Questionnaire Any variables that could influence metrics: demographics, familiarity, attitudes, etc. 3 UT Session: Tasks A. Pre-task questionnaire B. Task 4 C. Post-task questionnaire D. Post-task interview Post-session Questionnaire A. Satisfaction B. Organization C. Clarity D. Aesthetics
  • 13. Website Experience Analysis What specific UI elements account for aspects of the user experience?
  • 14. interpretation feelings opinions attitudes etc. UX prominence specific UI elements
  • 15. interpretation feelings opinions attitudes etc. I trust… SA 1234567 SD UX prominence specific UI elements
  • 16. interpretation feelings opinions attitudes etc. I trust… SA 1234567 SD UX prominence specific UI elements What about this UI makes you feel this way?

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