A device that enables collaboration will lessen the chance of work having to be completely redone.
In such a test, the user performs realistic tasks by interacting with the paper prototype
First Link >Three techniques of paper prototyping used for usability testing are comps, wireframes
Second link >Rapid prototyping involves a group of designers who each create a paper prototype
Third Link >Functionality is simlarly unimportant, but in this case are closer to the final product
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