Design Better And Faster With Rapid Prototyping - Smashing Magazine - 3 views
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What Needs to Be Prototyped? Good candidates for prototyping include complex interactions, new functionality and changes in workflow, technology or design. For example, prototyping search results is useful when you want to depart significantly from the standard search experience; say, to introduce faceted search or the ability to preview a document without leaving the search results.
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How Much Should Be Prototyped? A good rule of thumb is to focus on the 20% of the functionality that will be used 80% of the time; i.e. key functionality that will be used most often. Remember, the point of rapid prototyping is to showcase how something will work or, in later stages, what the design will look like, without prototyping the entire product.
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In choosing the prototype fidelity, there is no one correct approach. Most designs of new products are best started with sketches, then moving to either medium- or high-fidelity prototypes, depending on the complexity of the system and the requirements of the dimensions of fidelity.
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