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Human Factors Engineering and Ergonomics, 3rd Edition
book

Human Factors Engineering and Ergonomics, 3rd Edition

by Stephen J. Guastello
April 2023
Intermediate to advanced content levelIntermediate to advanced
708 pages
24h 52m
English
CRC Press
Content preview from Human Factors Engineering and Ergonomics, 3rd Edition
Psychomotor skill and controls 231
The equation of the skill acquisition curve of the type shown in Figure 8.2 is:
RT kPa=+ log( ),
(8.1)
where k and a are constants, and P = number of trials or units of practice. It
can also be characterized as a power law relationship:
RT aP
b
=
,
(8.2)
where b is the shape parameter for the power law function and signifies the
rate by which training speeds up response time; a is a constant once again.
In the earlier times of human– computer interaction, control functions were
commands that were typed into the system with a keyboard. Commands
were kept brief under the thinking that shorter was better. McKendree ...
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Publisher Resources

ISBN: 9781000822045