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Design of Everyday Things Chapters Three & Four

Design of Everyday Things Chapters Three & Four. Don Norman on Design & HCI.

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Design of Everyday Things Chapters Three & Four

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  1. Design of Everyday Things Chapters Three & Four Don Norman on Design & HCI This material has been developed by Georgia Tech HCI faculty, and continues to evolve. Contributors include Gregory Abowd, Rosa Ariaga, Jim Foley, Diane Gromala, Elizabeth Mynatt, Jeff Pierce, Colin Potts, Chris Shaw, John Stasko, and Bruce Walker. Comments directed to foley@cc.gatech.edu are encouraged. Permission is granted to use with acknowledgement for non-profit purposes. Last revision: May 2007.

  2. Knowledge in the Head, Knowledge in the World • Why is there precision of behavior and imprecision of knowledge? • Knowledge distributed in • Mind • Refer back to how we learn, organize info • World (world of computer & beyond computer) • Constraints (world of computer & beyond computer) UI Design - Georgia Tech

  3. Knowledge in the Head, Knowledge in the World • We integrate the knowledge to figure out what to do and how to do it. • Does DCog come in here?  • Should this really be “Information in the Head, Information in the World”? • What is diff between knowledge and information? • How is information turned into knowledge? UI Design - Georgia Tech

  4. Information is in the world • World of computer & beyond computer • Designers: provide cues, external memory aids • Individuals: structure their environments to facilitate remembering • Example – where we place things on both desktops • “Natural Mappings” are a form of information UI Design - Georgia Tech

  5. Constraints • Limitations on what can be done • Internal: • Memorizing lyrics is aided by constraint that certain words have to rhyme • External: • Taking apart and reassembling a mechanical device – limited ways in which things fit together UI Design - Georgia Tech

  6. Constraint Examples • Physical (in the world) • Floppy disk insertion, key in lock • Physical (in the computer) • Menu graying • Drag .doc file to Excel icon, file will not open • Cultural (in the world) – red/green • Logical – based on reasoning about relationships • I know (I reason) that MS Word files (.doc) can’t be opened in spreadsheet programs UI Design - Georgia Tech

  7. Design of Everyday Things Chapter Four – Knowing What to Do • Do you have a one-sentence summary of chapter 4? UI Design - Georgia Tech

  8. Design of Everyday Things Chapter Four – Knowing What to Do • Apply Ideas from Chapter 1 UI Design - Georgia Tech

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