Start with alpha testing. Then move on to beta testing. Then advance to the stages in product development when systems and interfaces are tested for viability. Then make adjustments and corrections before conducting additional testing until – finally — you reach the viable product stage.
Rarely will the initial incarnation of a new product design ever survive completely intact after a user testing cycle. Design staff and other personnel work out many of the major issues beforehand, but eventually user testing is needed to for a device to achieve the viable product stage. (more…)