ISO 13407 - Human Centered Design Process for Interactive Systems
The standard describes four principles of human-centered design:
Active involvement of users
Appropriate allocation of function (making sure human skill is used properly).
Iteration of design solutions (therefore allow time in project planning).
Image: What is EMMUS? EMMUS (European MultiMedia Usability Services) (1999) http://www.ucc.ie/hfrg/emmus/methods/iso.html retrieved 15-12-2008