March 2015
Intermediate to advanced
184 pages
5h 2m
English
Content preview from Human–Computer Interaction
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HCI desIGn
e menu items are usually subtasks to be invoked or the target
interaction objects for certain tasks to be operated upon. In either
case, it is clear that the menu must be organized, categorized,
and structured (typically hierarchically) according to the task and
the associated objects. At each level of the menu, the number of
items should be managed to be ideally below the “magic num-
ber 8” (the limit of our short-term memory, discussed in Section
3.1.2) [6]. However, it may not always be possible to achieve
Table4.1 Where to Use Different Menu Styles
MENU TYPE USAGE
Pull down Top level (main) categorical menu
Pop up Object specific, ...
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