usability reporting

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usability reporting

  1. 1. Usability testing Analyzing and reporting dataTuesday, April 12, 2011
  2. 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. 3. 1. Demographics, background 3 2.25 40% 1.5 60% 0.75 0 Male Female Male FemaleTuesday, April 12, 2011
  4. 4. Graduate  (G1) M 30 Senior Electrical  and  Computer  EngineeringTuesday, April 12, 2011
  5. 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. 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. 7. 1. Demographics, background Which presentation mode did you like best?Tuesday, April 12, 2011
  8. 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. 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. 10. Tuesday, April 12, 2011
  11. 11. 3. Time on task 5 users -- 5 tasks T1 T2 T3 T4 T5 U1 U2 U3 U4 U5Tuesday, April 12, 2011
  12. 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. 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. 14. Is this graph useful? Why?Tuesday, April 12, 2011
  15. 15. 4. Expected difficulty and 5. Actual difficulty • Per task? • Average across tasks?Tuesday, April 12, 2011
  16. 16. 4. Expected difficulty and 5. Actual difficulty • Per task? • Average across tasks?Tuesday, April 12, 2011
  17. 17. 4. Expected difficulty and 5. Actual difficultyTuesday, April 12, 2011
  18. 18. 6. Observations • What do you think would be important to report? • How?Tuesday, April 12, 2011
  19. 19. 7. Overall satisfactionTuesday, April 12, 2011
  20. 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. 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

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