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Usability Testing: Understanding End-Users through Observation

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  • Intro
  • Transcript

    • 1. Usability Testing:Understanding End-Users through Observation
      Frank J. Garofalo, UI Engineer
    • 2. Outline
      What is Usability Testing?
      When is it most beneficial?
      Who can be involved?
      Who can it be most beneficial to?
      How is it accomplished?
      Format
      Cost Factors
    • 3. What is Usability Testing?
      Observing an end-user perform scenario-based tasks
      Participants will typically be asked to follow the “think-aloud protocol” which asks the participant to say whatever they are looking at, thinking, doing, and feeling at each moment.
      Typically performed in a usability testing lab setting (controlled environment), however it can be performed remotely.
    • 4. What is Usability Testing?
      Observing an end-user perform scenario-based tasks
      Participants will typically be asked to follow the “think-aloud protocol” which asks the participant to say whatever they are looking at, thinking, doing, and feeling at each moment.
      Typically performed in a usability testing lab setting (controlled environment), however it can be performed remotely.
    • 5. What is Usability Testing?
      The key stakeholders of an application/system to observe actual end-users interacting with the application/system (can be a prototype, developmental iteration, production-ready, and/or pre-existing).
      Data collected can include:
      subjective-anecdotal feedback
      success rates
      task times
      error rates
      subjective-satisfaction ratings
    • 6. When can it be most beneficial?
      Early stages of project requirements gathering;
      Early stages of project design;
      Throughout development;
      Existing applications / systems
    • 7. Who can be involved?
      End-users
      Key Stakeholders
      Project Managers / Consultants
      Technical Leads
      Developers
      UI Engineer
    • 8. Who can it be most beneficial to?
      End-users
      Key Stakeholders
      Project Managers / Consultants
      Technical Leads
      Developers
    • 9. How is it accomplished?
      Meeting to determine:
      application / system to test
      specific tasks to test
      who the target end-users are to test
      timeline for conducting usability testing (pre & post)
      Draft scenario-based tasks for testing
      Recruit & schedule testing participants
      Run through of scenarios with actual testing equipment/systems/applications
    • 10. How is it accomplished?
      Invite observers for testing (stakeholders, PM, TL, Dev Team, etc.)
      Conduct Usability Testing with observers
      Testing debrief with all observers
      Analysis & report deliverable, if needed
    • 11. Format - Overall
      Planning & Preparation
      Testing
      Debrief & Data Analysis
    • 12. Format – Testing with 3 participants
      Morning Set-up
      8:00 – 8:30 am
      Participant 1
      8:30 – 9:30 am
      Break (for Observers)
      9:30 – 9:45 am
      Participant 2
      9:45 – 10:45 am
      Break (for Observers)
      10:45 – 11:00 am
      Participant 3
      11:00 – 12:00 pm
      Observer Debrief Session (Working Lunch)
      12:00 – 1:00 pm
    • 13. Cost Factors
      Potential Budget:
      High
      Depends on the number of individuals involved and the number of observers

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