Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess
User Experience and Experience Design !
Mock-ups are used by designers mainly to acquire feedback from users about designs and design ideas early in the design process. Mock-ups are 'very early prototypes' made of cardboard or otherwise low-fidelity materials. The user, aided by the designer, may test the mock-up (imagining that it works) and thus provide valuable feedback about functionality/usability/understanding of the basic design idea/etc.
The advantages of mock-ups (and prototypes) are numerous. For example:
Mock-ups address the idea captured in a popular engineering one-liner:
You can fix it now on the drafting board with an eraser or you can fix it later on the construction site with a sledge hammer.
Figure 1 shows a mock-up of a calendar application for school kids made of cardboard and plastic. The mock-up was used to test early design ideas with school children and thus obtain early feedback in the development process. Alternative spellings: Mockup/mockups.
After a couple of tests with the mock-up, it was made into a prototype programmed in Macromedia Flash (figure 2). The prototype was more 'polished' and allowed for more interactivity. Using prototype, various scenarios of use (use cases) were tested with the users, after which the Flash prototype was built into a real application (programmed in Java).
Most projects may benefit from using mock-ups early in the design process. Figure 3 shows a mock-up of a webpage being tested by a user.
Please note: The terms "mock-ups", "low-fidelity prototypes", or "paper prototypes" are usually used as synonyms.
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