November 1994
Intermediate to advanced
362 pages
17h 23m
English
Content preview from Usability Engineering
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Usability
Engineering
third best, corresponding to a level of
5.5.
Thus, the
Q3/Q1
ratio is
5.5/3=1.8.
For many computer tasks, the
Q3/Q1
ratio is about two.
Attitude differences can also impact how people use computers.
For
whatever reason, some people simply love using computers
and will go to extreme efforts to learn all about their system. I once
interviewed a business professional who said that she liked to
learn a new software package every month just to stay in shape,
and many other "super-users" spend as much time as many
hackers learning about obscure details in their computers, even
though they are business professionals and not programmer ...
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