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usability principle 2 comparison table

Subject	is an instance of	follow by	is a kind of	state
usability principle			principle
usability principle 2	usability principle	performing a first iteration of use case analysis and then design the UI based on this. as you evaluate your prototype UI, you will have to go back and revise your use case model as well as your UI		Base UI designs on users' tasks as expressed in use cases

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