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Usability Testing

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Usability Testing Usability Testing Presentation Transcript

  • Usability Testing
    Shyamala Prayaga
  • Agenda
    What is Usability?
    Usability Testing
    What
    Why
    Pros and Cons
    Usability Testing Techniques
    Usability Testing Process
  • What is Usability
  • What is Usability
    How easily the first time user is able to grasp and use the website?
  • What is Usability
    How easy is it for returning customer to remember the interface?
  • What is Usability
    • How easily customers can navigate?
    • How consistent is the design?
  • What is Usability
    How effectively the customers can perform tasks?
  • What is Usability
    How positive customers feels about the user interface and its experience?
  • What is Usability Testing?
    Technique used to evaluate a product by testing it on users
    Is carried out at pre-release stage to identify and address significant issues
    Can be carried out at different stages of the design process.
  • How Usability Testing Helps?
  • Pros
    Real time users are tested
    Users perform actual tasks
    Qualitative and quantitative data is recorded
    Provides objective information
    Facilitated and observed by skilled professionals
  • Cons
    Constrained to limited users
    Users tend to make mistake due to consciousness of being watched
    Limited set of tasks are tested and not all aspects of site usage
  • Techniques
    Quantitative Task Completion Analysis
    Qualitative Task Completion Analysis
    Benchmark Competitive Comparisons
    In-depth Competitive Comparisons
    Site Exit Analysis
    Page Usage Analysis
    Eye Tracking
  • Process
  • Plan
    Understand objectives, customers and tasks
    Decide the best testing technique to be used
    Decide on user limit, budget
    Prepare the task flow script
    Setup the testing lab
  • Usability test lab example
    Participant
    Room
    Observer
    Room
  • Equipments and facilities required for testing lab
    Rooms
    Camera
    Paper notes
    Usability testing software's like morae /silverback
    1 Observer
    1 Note keeper
  • Conduct
    Get participant
    Prepare test schedule
    Run a pilot test
    Run the actual testing
    Record events
  • Report and Recommend
    Report consists of the following data
    Number of participants
    Testing technique
    What script was given to participants
    Observations that were made
    Level of participation
    Level of facilitation/assistance
  • Usability Testing Software’s
    Axure – (http://www.Axure.com)
    Morae – (www.techsmith.com/morae.asp)
    Loop11 – (http://www.loop11.com)
    Silverback – (http://silverbackapp.com )
  • Questions?