Abstract:
OBJECTIVE:This research examined the relative importance of icon characteristics in determining the speed and accuracy of icon identification. BACKGROUND:Studies to date have focused on the role of one or two icon characteristics when users first experience an icon set. This means that little is known about the relative importance of icon characteristics or how the role of icon characteristics might change as users gain experience with icons. METHODS:Thirty participants carried out an icon identification task over a long series of trials to simulate learning through experience. Icon characteristics investigated included semantic distance, concreteness, familiarity, and visual complexity. RESULTS:Icon characteristics were major determinants of performance, accounting for up to 69% of the variance observed in performance. However, the importance of icon characteristics changed with experience: Semantic distance is crucial initially while icon-function relationships are learned, but familiarity is important later because it has lasting effects on access to long-term memory representations. CONCLUSION:These findings suggest that icon concreteness may not be of primary importance when identifying icons and that semantic distance and familiarity may be more important. APPLICATION:Designers need to take into account icon characteristics other than concreteness when creating icons, particularly semantic distance and familiarity. The precise importance of the latter characteristics will vary depending on whether icons are rarely encountered or frequently used.
journal_name
Hum Factorsjournal_title
Human factorsauthors
Isherwood SJ,McDougall SJ,Curry MBdoi
10.1518/001872007X200102subject
Has Abstractpub_date
2007-06-01 00:00:00pages
465-76issue
3eissn
0018-7208issn
1547-8181journal_volume
49pub_type
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