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Overhead and Idiocy

Overhead and Idiocy. Topics. Overhead GUI Excise Pure Excise Visual Metaphor Excise Other Excise Traps Idiocy. Overhead. Supporting tasks Revenue tasks Excise tasks Only a problem if effort expenditure is high. GUI Excise.

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Overhead and Idiocy

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  1. Overhead and Idiocy William H. Bowers

  2. Topics • Overhead • GUI Excise • Pure Excise • Visual Metaphor Excise • Other Excise Traps • Idiocy William H. Bowers

  3. Overhead • Supporting tasks • Revenue tasks • Excise tasks • Only a problem if effort expenditure is high William H. Bowers

  4. GUI Excise • Slower and more difficult than command line due to windows and graphics • Command-line is an excise that forces memorization • GUI excise is lower for novice users William H. Bowers

  5. Pure Excise • Hardware management tasks • Windows management • Goal dependent William H. Bowers

  6. Visual Metaphor Excise • Visual metaphors (icons) easy to learn • Take up too much screen real estate • Eventually get in the way • Meta-questions • “Allow input wherever you output” William H. Bowers

  7. Other Excise Traps • Don’t go to another window to change this one • Don’t force users to remember hierarchical file structures • Don’t force users to resize/move windows • Remember user preferences William H. Bowers

  8. Idiocy • Don’t interrupt unnecessarily • Password protection and workstation locking • Time consuming tasks should check for user input during the task William H. Bowers

  9. Questions & Discussion William H. Bowers

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