Six Sensible Quotes on User Interface
The Principle of Least Astonishment
Make a user interface as consistent and as predictable as possible.
A program designed for inputs from people is usually stressed beyond the breaking point by computer-generated inputs.
– Dennis Ritchie, Bell Labs
Twenty percent of all input forms filled out by people contain bad data.
– Vic Vyssotsky, Bell Labs
Eighty percent of all input forms ask questions they have no business asking.
– Mike Garey, Bell Labs
Don’t make the user provide information that the system already knows.
– Rick Lemons, Cardinal Data Systems
For 80% of all data sets, 95% of the information can be seen in a good graph.
– William S. Cleveland, Bell Labs