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Tag archive for “Usability”

“Usability is the quality of a system that makes it easy to learn, easy to use, easy to remember, error tolerant, and subjectively pleasing.”

Usability First, http://www.usabilityfirst.com/about-usability/introduction-to-user-centered-design/


7.21.10 | Usability | Permalink

“The problem is that while logic is a powerful and effective programming tool, it is a pathetically weak and inappropriate interaction design tool.”

Alan Cooper


12.14.06 | Logic, Usability | Permalink

“The ultimate metric that I would like to propose for user friendliness is quite simple: if this system was a person, how long would it take before you punched it in the nose?”

Tom Carey


8.17.06 | Usability, Users | Permalink

“Cringley’s Second Law: Ease of use with equivalent performance varies with the square root of the cost of development. That means that to design a computer that’s ten times easier to use would cost 100 times as much.”

Robert Cringeley



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