The user centered design to information systems begun from the availability of search technology for ‘novice’ end users. They outnumbered the experts.
-- Nahl (2005)
Information systems are communication systems.
-- Bryce (1996)
It is a *philosophy and a **process.
-- Katz-Haas (1998)
*the person or user of information is the core of the design
**focus on behavior and cognitive functions as user interacts w/ a system.
There is a 3rd P - ***purpose
***goals, objectives, needs and tasks of users.
User centered ISD looks into users' needs, tasks, goals and fucntions so that the information systems to be developed and designed are useful and usable.