Chapter 5: Testing The Design With Users

You can't really tell how good or bad your interface is going to be without getting people to use it. So as your design matures, but before the whole system gets set in concrete, you need to do some user testing. This means having real people try to do things with the system and observing what happens. To do this you need people, some tasks for them to perform, and some version of the system for them to work with. Let's consider these necessities in order.