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Usabililty In Online Courses
 

Usabililty In Online Courses

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    Usabililty In Online Courses Usabililty In Online Courses Presentation Transcript

    • How Usable is Your Course?
      Presentation for online instructorsDistance Education and Educational Technology, Central Texas College
    • “Visible” reading
      Attention depends on purpose
      novels vs. textbooks
      Reading = [too much] = Automatic
      disrupt automatic reading
      Boldface terms
      Capitalization
      Titles
      Specific phrases
      Hierarchy
    • Enhance Remembering
      Chunking
      Break into manageable steps
      Primacy and recency
      “Seven plus/minus two” rule of working memory
    • Beware: Web vs. Print
      Adjust the writing style to users’ preferences and browsing habits
      Promotional writing won’t be read
      Long text blocks without images and keywords marked in bold, italics or different color will be skipped
      Exaggerated language will be ignored
    • Visible Language
      The concept was introduced by Aaron Marcus in papers on effective visual communication
      “visible language”— is the content users see/read on a screen
      3 principles were stated
    • User behavior on the web
      Users appreciatequality and credibility
      Web users areimpatient and insist oninstant gratification.Very simple principle: the higher is the cognitive load and the less intuitive is the navigation, the more willing are users to leave the page.
    • 3. Users don’t read, they scan in the “F” pattern
    • 4. Users don’t make optimal choices
      Users don’t search for the quickest way to find the information. Neither do they scan web-page in a linear fashion, going sequentially from one site section to another one.
      Instead users satisfice-they choose the first reasonable option.
      Optimizing is hard and it takes a long time
      Satisficing is more efficient.
    • Auditory memory
      Enhances visual
      Appeals to auditory learners
      Wimba Voice Tools
      Length – 3-5 min
      Need transcripts for ADA
      Video
    • What can we adapt from web design principles?
      Be obvious - don’t make users think or search for information
      Be user-centric - strive for simplicity
      Users are impatient – intuitive design flow
      Conventions are our friends:
      Only links are underlined
      Menu on left
    • What can we adapt from web design principles? – cont’d
      Use “white” space generously
      reduces the cognitive load for the learners
      makes it possible to perceive the information presented on the screen
      Break the monotony: blank lines, bullets, etc
      Test with peers – creators are not suited to test their own courses – need fresh perspective