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Announcements

  • Presentations review
    • Feedback on the homework
      • Makes you pay attention to things you already do
      • Gives you better tools to critique the interfaces you use
  • Audio 0:02:01.342658
  • Did it change the way you might design an interface
    • Yeah, knowing eight golden rules, etc.
  • Experienced designers know that they don’t have all the answers
    • You need user input
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  • You have to think about non-standard situations
    • unpredictable usage

Expert Reviews and Heuristics

  • Kinds of reviews
  • guideline review
  • heuristic review
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  • cognitive walkthrough
  • formal usability inspection

Exercise

Examples:

  • Google slides
  • Advising appointment interface
  • news site
    • Intuitive to find the news I was looking for
    • Inconsistent size of layout elements
    • Advertisements auto-play and scroll with the page
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  • You have to be aware of competition

Think-aloud

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  • Talking through an interface task as it is performed
    • Could potentially distract the user from completing the task
    • not necessarily natural
    • gives a better insight into how the user approaches the interface
    • Audio 0:43:40.208723

Paper-prototype

  • Audio 0:44:48.676886
  • People aren’t as hesitant to request changes to it
  • Faster to build

Survey Instruments

  • Audio 0:48:28.430657
  • what are things you need to think about when designing a survey?
    • Having good representative users
    • Don’t bias your questions

Acceptance tests

  • You can’t have subjective requirements
    • Can’t be “easy to use”
    • Has to

Vocab

Term Definition
heuristic evaluation expert review where an interface is checked for conformance with a short list of design heuristics (such as the Eight Golden Rules)
guideline review expert review where interface is checked for conformance with the organizational or other guideline documents
consistency inspection expert review which checks if the interface has fonts, color schemes, layout, etc. compared to other common interfaces
formal usability inspection expert review styled like a courtroom meeting in which the interface is presented to discuss its merits or weaknesses
cognitive walkthrough expert review in which the expert simulates walking through the interface and performing typical tasks
sight tracking method for observing how users progress through an interface and what catches their attention
think-aloud talking out loud while a user performs a task to understand their thought-process
bad requirement A subjective requirement such as “needs to be easy to use”