The design of equipment that people use intentionally taking into account how people operate. (Syllabus)
The field of human factors engineering uses scientific knowledge about human behavior in specifying the design and use of a human-machine system. (Adams, 1989, our text).
Human factors discovers and applies information about human behaviors, abilities, limitations, and other characteristics to the design of tools, machines, systems, tasks, jobs, and environment for productive, safe, comfortable and effective human use. Chapanis (1985)