UCD
focuses on understanding
1.the users of a computer system under development
2.the tasks that users will perform with the system
3. The evironment organizational, socal, and physcal) in which the users will use the system.
Four phases of UCD
1. Plan to understand and specify the context of use( users' characteristics, tasks& environments)
2.Specify the user and organizational requirements
4. Produce design solutions
11. Conceptual design, Spec. & Style guide
22.Prototype(High-level& Low-level) & Spec. for detail
66.design Code& Test
77.Evaluate with users against requirements