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Interface Guidelines & Principles. Evaluate It. Interface Guidelines & Principles. 7 principles for Interface Design Focus on the users & tasks, not technology. Conform to the User’s View of the Task. Consider function first, presentation later. Promote Learning Deliver Information
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Interface Guidelines & Principles Evaluate It
Interface Guidelines & Principles • 7 principles for Interface Design • Focus on the users & tasks, not technology. • Conform to the User’s View of the Task. • Consider function first, presentation later. • Promote Learning • Deliver Information • Responsiveness • Evaluate It
Evaluate It • Software Testing • Test the software components. • Objects, methods, etc. • Usability Testing • Test the software with prospective users.
Usability Testing • Before Development • Paper mock ups can be used to test a design. • This is a good technique that doesn’t create false expectations from the users point of view.
Usability Testing • During Development • Prototypes can be used to perform usability testing.
Usability Testing • After Development • Pilot Test • Videotape, usability methods. • Usability Toolbox
Interface Guidelines & Principles • Focus on the users & tasks, not technology. • User Centered Designed • Conform to the User’s View of the Task. • Consider function first, presentation later. • Conceptual Model vs. User Mental Model • Promote Learning • Deliver Information • Information vs. Data • Responsiveness • Perceived Speed vs. Machine Speed • Evaluate It • Usability Studies