• Human performance
exceeds machine
performance by a factor ranging from
4x to 10x depending on the task.
• On some tasks, such as
credit card
number recognition, machine
performance exceeds humans due
to human memory retrieval capacity.
• The nature of the
noise is as important
as the SNR (e.g., cellular phones).
• A primary failure mode
for humans is
inattention.
• A second major failure
mode is the lack
of familiarity with the domain (i.e.,
business terms and corporation names).