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Chapter 4. Involving Customers with Iter... > The Iterative Design Process

4.1. The Iterative Design Process

Iterative design involves taking an existing design and reworking it until it fits the needs of customers. This process is widely considered to be a valuable technique for designing interfaces, but at a more fundamental level iterative design acknowledges that no design team is perfect.

Teams are made of people, and people do not always know the right answers. It is difficult to have complete information about the needs of customers and clients. Iterative design compensates for these shortcomings, letting you continually improve a design. The key to iterative design is quickly creating design prototypes that are good enough to provide feedback but flexible enough for significant changes to be made down the line. The goal is as much iteration as possible to solve as many problems as possible early, when they are inexpensive to fix.


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