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#6 – Navigation and Other Aspects of Humane Interfaces

#6 – Navigation and Other Aspects of Humane Interfaces. 6-1 Intuitive and Natural Interfaces. Issues with terms intuitive and natural Star Trek and the use of the mouse No “artifact” is intuitive nor natural. 6-2 Better Navigation: Zoom World. Humans are bad a mazes

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#6 – Navigation and Other Aspects of Humane Interfaces

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  1. #6 – Navigation and Other Aspects of Humane Interfaces

  2. 6-1 Intuitive and Natural Interfaces • Issues with terms intuitive and natural • Star Trek and the use of the mouse • No “artifact” is intuitive nor natural

  3. 6-2 Better Navigation: Zoom World • Humans are bad a mazes • Maze – complex program = long sequence • Partial solution to maze = “favorite locations” • Solution – Zooming Interface Paradigm (ZIP) • Zoom World – infinite plane of information having infinite resolution • Zoom World – no scroll bars and no zoom icons • ZIP Example – Apricus – large medical chart • Would this work if introduced today?

  4. 6- 3 Icons • “Instead of icons explaining, we have found that icons often require explanation” • Words understood by at least one language – icons maybe none • Often language dependent but not culturally dependent. • Most effective –A dozen or less are seen at one time. • Most effective – A dozen or less total • Color coding – what color is “bittersweet”? • Color coding – can fail if you use too many colors of if there are too many icons in each color • Do they a do a good job? Better than text?

  5. 6-4 Techniques and Help Facilities in Human Interfaces • To facilitate learning: • Display instructional text at first use of product • Tutorial and reference manual as part of the interface • Doesn’t HELP work fairly well as it is used today?

  6. 6-4-1 Cut and Paste • Performing an inadvertent second cut before the first paste. • Is this an issue? • Has Microsoft improved in this area?

  7. 6-4-2 Messages to the User • Have interface redesigned so that there are no error messages • Error is usually in the design of the system or the interface

  8. 6-4-3 Simplified Sign-Ons • Telling the system TWICE when entering User ID and Password • Have a password-system • Is the proposed method more secure?

  9. 6-4-4 Time Delays and Keyboard Tricks • Automatic repeat after 500 msec • Any delay is too long • Chord Keyboards • Anyone use this method?

  10. 6-5 Letter from a User • When the user moves to the next field or screen or uses a menu or a button, the system should accept the input as is stands. • If the user can do only one thing next, have the computer do it. • Every time a user must interact with a computer, there must be a productive outcome to the interaction. Moving forward in the work flow in mind and of itself is not a productive outcome. • A computer should be a servant, not a peer or a boss.

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