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OCR for page 21
ADVANCES AND SUCCESSES
Over the last 10 years, it has become clear that
research on the issues surrounding human-computer
interaction is worth doing. The design of the human-
computer interface makes a marked difference in users'
performance. Software products exist that embody well-
designed interfaces derived from human factors input:
the Xerox STAR, Apple LISA, and MACINTOSH work stations
and the Rolm and IBM mail systems are examples. In
addition, major changes in the design of the telephone
directory assistance system, as well as original designs
of telecommunication control devices, were a result of
human factors studies e
Human factors research has also shown the usefulness
of some important generic display and control devices:
the partitioning of screens into windows, icons for the
control of operations and the display of objects, better
help messages, and better defined response and function
keys. In addition, more is known about users' limitations
and adaptability.
Human factors design is also influencing documentation
and training for software use (Felker, 1980). Because
software is more available to a variety of users, there
is an increased awareness by the public of the need to
make software easy to learn and use.
21
Representative terms from entire chapter:
factors design