Because product information transferred from computers is complex and the
structure is relative deep. The effect of depth design was well-operated than that of
the breadth design if the navigation is effective (
Laarni, 2002, Laarni, Simola, Kojo,
and Risto, 2004
). And well-operated logic of the menu content was very helpful for
users to operate the menu easily (
Shieh, Hsu, and Liu, 2005). However, the operation
of icon-structure pattern depends on navigation by memory process if the structure
of the information is deep. The users have to switch from one screen to another. If
the menu doesn’t present the whole structure, users would spend more time on
remembering. Therefore, participants more than 40 years old consumed more ...