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Interface Guidelines & Principles

Interface Guidelines & Principles. Conform to the User’s View of the Task. Interface Guidelines & Principles. 7 principles for Interface Design Focus on the users & tasks, not technology. Conform to the user’s view of the task. Conform to User’s View. Strive for Naturalness

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Interface Guidelines & Principles

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  1. Interface Guidelines & Principles Conform to the User’s View of the Task

  2. Interface Guidelines & Principles • 7 principles for Interface Design • Focus on the users & tasks, not technology. • Conform to the user’s view of the task.

  3. Conform to User’s View • Strive for Naturalness • Don’t make user’s commit unnatrual acts • Switching modes in the middle of a software • Requiring the user to explain their actions. Cartoon by Mark Parisi. Used by special permission.

  4. Conform to User’s View • Don’t impose arbitrary restrictions • Limiting the length of a user’s name. • Sorting constraints, should sort on all columns. • Forcing all address book entries to have a fax number.

  5. Conform to User’s View • Use the User’s Vocabulary (Ontology) • Don’t use computer jargon, agree upon a common vocabulary with the user.

  6. Conform to User’s View • Power/Complexity Trade-Off • The more options and controls, the more power … therefore, the more better. • This is FALSE. Microsoft Word, how many options do you really use? • Users get overloaded with options. • Power can be increased by providing a sufficient number of options based upon task analysis. • Techniques • Defaults, Templates/Canned Solutions, Generic Commands

  7. Conform to User’s View • Strive for naturalness. • Don’t impose arbitrary restrictions. • Use the users’ vocabulary. • Find the correct power/complexity trade-off.

  8. Acknowledgement Bruce Walker Georgia Institute of Technology bruce.walker@psych.gatech.edu

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