• Like


Flash Player 9 (or above) is needed to view presentations.
We have detected that you do not have it on your computer. To install it, go here.

Usability for all budgets


Slides used for October 2010 presentation at CPMN

Slides used for October 2010 presentation at CPMN

  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
No Downloads


Total Views
On SlideShare
From Embeds
Number of Embeds



Embeds 0

No embeds

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

    No notes for slide


  • 1. Usability For All Budgets
    Elan Lennard
  • 2. What is Usability?
    Usability is the ease with which a user interacts with software
    * As relates to what I’m discussing today
  • 3. Why Does Usability Matter?
  • 4. When To Test For Usability
    Product Development
  • 5. We’ve No Time For Usability Tests
    Usability testing can take anywhere from a couple of weeks to a couple of months in preparation, execution and review
    Performing usability tests early in the development cycle will ensure that the UI design is right the first time. Changes late in the product cycle require massive upheaval to the code, introducing bugs and risking inconsistency in the user interface layer
    Some might say that you don’t have time to not do usability testing
  • 6. Methods of Ensuring Good HCI
    Engineer in a bubble
    Pro: Fast GUI Design
    Con: Engineer has little idea how the customer uses the product
    Pro: Fast GUI Design
    Con: Can go terribly wrong
    Formal Usage Studies
    Pro: Controlled environment
    Con: Expensive
    One-on-one Usage Studies
    Pro: Users are accessible
    Con: Can be difficult to schedule visits via the Sales team
  • 7. Isn’t Usability Testing Expensive?
    The way companies like Google, Microsoft and Apple do it?
    Two-way mirror for observation by engineers, Product Managers and QA staff
    Dedicated Test Lab
    Mouse/keystroke recording
    Video Camera
    Lasers to track eye movements (lasers are cool!)
    But you can get great results from testing on a budget, too
    Sit next to tester
    Manually take down observations
    Use standard digital camera for recording
    > £10,000
    < £2,000
  • 8. Where To Start
    Choose core functionality to test
    Create list of simple tasks for user to follow and questionnaire
    Open a file, edit file, insert image, export, print, save
    Schedule a week of developer’s time to mock-up interactive prototypes in Flash or UI Layer (might require bribery)
    Does not need to be functional, simply emulate specified functionality
    Recruit typical users to participate
    Newsgroups, personal network, former colleagues
    Set up computer, camera on tripod in corner, one printed version of tasks /questionnaire for each tester
  • 9. Reviewing The Results
    Usability testing is only as good as the information you obtain from it
  • 10. Impact of Improved HCI
    To Engineering
    No more designing in a bubble
    More confidence in their work
    To Support
    Happier callers
    Fewer GUI calls
    To Sales
    Able to demonstrate new features in a personalized demo to potential customers
    To the user
    Feel that they are being heard
    Find it easier to get their work done after seeing new features
  • 11. Remember…
    You do not know how customers will interact with your product
    Your developers are most likely not HCI experts and shouldn’t be expected to design the UI
    Only by viewing actual target users will you and your team know if you’re on the right track
  • 12. The Actual Tests
    Usability tester arrives, sits at computer
    Sit down with them and explain what you wish them to do
    The user should go through the tasks on their own, with no instruction
    They should speak aloud as they progress and where they confused
    After completing the tasks, have the user fill in a questionnaire about their experience with the software
  • 13. Further Reading
    Advancements in Human/Computer InteractionbyJakob Nielsen
    The Usability Engineering Lifecycle by Deborah Mayhew
    Don’t Make Me Think by Steve Krug
    Inside Google’s Usability Labs (article)
    And the font of all knowledge, Wikipedia
    Software for recording and tracking mouse movements
    Free software on SourceForge for screen and audio capture