β’ user-oriented requirement analysis β know the user β describe the context of use β analyze the user's tasks β decide for user-system function allocation.
β’ user-oriented requirement analysis β know the user β describe the context of use β analyze the user's tasks β decide for user-system function allocation User System Task(s) training usability task design qualification functionality automation "Design of user interfaces" introduction (c) M. Rauterberg, TU/e 3