Monday, October 29, 2012

Representation and cognition


A Good Representation sows all of the relevant information, and nothing else.
Should enable:

  1.  Comparison
  2.  Exploration
  3.  Problem solving
When interfaces help people distribute cognition, it can...
• Encourage experimentation (Tetris)
• Scaffold learning and reduce errors (Montessouri blocks)
• Show (only) differences that matter (London Underground)
• Convert slow calculation into fast perception (Map coloring)
• Support chunking, especially by experts (Chess & gestures)
• Increase efficiency (diagrams)
• Facilitate collaboration (cockpits)

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