Jeff Johnson's presentation "Psych 101: The Psychological Basis for UI Design Rules" at Google, July 16, 2008, co-sponsored by BayCHI and IxDA: http://www.baychi.org/bof/ixd/20080716/
3. UI Design Guidelines
(Nielsen Molich, 1993)
Visibility of system status
Match between system real world
User control freedom
Consistency standards
Error prevention
Recognition rather than recall
Flexibility efficiency of use
Aesthetic minimalist design
Help users recognize, diagnose, recover from errors
Provide online documentation help
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