usability reporting

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  • 1. Usability testing Analyzing and reporting dataTuesday, April 12, 2011
  • 2. Assuming 5 users & the following measures: 1. Demographics, background 2. Task completion 3. Time on task 4. Expected difficulty 5. Actual difficulty 6. Observations 7. Overall satisfactionTuesday, April 12, 2011
  • 3. 1. Demographics, background 3 2.25 40% 1.5 60% 0.75 0 Male Female Male FemaleTuesday, April 12, 2011
  • 4. Graduate  (G1) M 30 Senior Electrical  and  Computer  EngineeringTuesday, April 12, 2011
  • 5. Participants Info. 4 Grad students (male) 1 Faculty member (female) Who Mechanical Eng. Material Eng. Electrical & Computer Eng. How often Once a week (average) Age 27.2 years old (average) Range: 20~40Tuesday, April 12, 2011
  • 6. Participants Info. (Cont’d) Total length of usage Time spent per Log-in 4 5 4 3 2.5 Hour(s) Year(s) 3 2 2 1.7 1 1 0 0 P1 P2 P3 P4 P5 AVE P1 P2 P3 P4 P5 AVE Participant # Participant #Tuesday, April 12, 2011
  • 7. 1. Demographics, background Which presentation mode did you like best?Tuesday, April 12, 2011
  • 8. 1. Demographics, background Which presentation mode did you like best? Because of small number of users, present both averages and individual data.Tuesday, April 12, 2011
  • 9. 2. Task completion 5 users -- 5 tasks • All 5 users completed tasks 1 and 2 • 3 users completed task 3; 1 partial completion, 1 incomplete • 3 users completed task 4; 2 partial completions • 2 users completed, 3 partial completionsTuesday, April 12, 2011
  • 10. Tuesday, April 12, 2011
  • 11. 3. Time on task 5 users -- 5 tasks T1 T2 T3 T4 T5 U1 U2 U3 U4 U5Tuesday, April 12, 2011
  • 12. 3. Time on task 5 users -- 5 tasks T1 T2 T3 T4 T5 U1 U2 Average per user U3 OR Average per task? U4 U5Tuesday, April 12, 2011
  • 13. Which task was more difficult to complete? Mean Time-on-Task (95%CI) 270! 240! 210! 203! 180! 150! Time(sec) 120! 90! 75! 66! 60! 49! 30! 25! 0! Task#1! Task#2! Task#3! Task#4! Task#5!Tuesday, April 12, 2011
  • 14. Is this graph useful? Why?Tuesday, April 12, 2011
  • 15. 4. Expected difficulty and 5. Actual difficulty • Per task? • Average across tasks?Tuesday, April 12, 2011
  • 16. 4. Expected difficulty and 5. Actual difficulty • Per task? • Average across tasks?Tuesday, April 12, 2011
  • 17. 4. Expected difficulty and 5. Actual difficultyTuesday, April 12, 2011
  • 18. 6. Observations • What do you think would be important to report? • How?Tuesday, April 12, 2011
  • 19. 7. Overall satisfactionTuesday, April 12, 2011
  • 20. Overall “barometer” # of Participants 0 1 2 3 4 5 Search 1 1 3 Feature Ease of 4 1 Navigation Terminology 3 2 Clarity Organization 3 2 Clarity Satisfied Neutral DisatisfiedTuesday, April 12, 2011
  • 21. Meaningful, Easy to read & Understand 1. Demographics, background 2. Task completion 3. Time on task 4. Expected difficulty 5. Actual difficulty 6. Observations 7. Overall satisfactionTuesday, April 12, 2011