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CS422 - Human Computer

Interaction

Instructor: Mehwish Aziz

Spring: Fall 2010Lecture 22-25

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Design Rules

 Chapter 7

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Design RulesDesign Rules: mechanism to restrict the domain of 

design options – preventing design options leading to

unusable systems

Designing for maximum usability– the goal of interaction design

•• Principles of usability

 – general understanding

•• Standards and guidelines

 – direction for design

•