Age differences in search of web pages: the effects of link size, link number, and clutter.

Abstract:

:Reaction time, eye movements, and errors were measured during visual search of Web pages to determine age-related differences in performance as a function of link size, link number, link location, and clutter. Participants (15 young adults, M = 23 years; 14 older adults, M = 57 years) searched Web pages for target links that varied from trial to trial. During one half of the trials, links were enlarged from 10-point to 12-point font. Target location was distributed among the left, center, and bottom portions of the screen. Clutter was manipulated according to the percentage of used space, including graphics and text, and the number of potentially distracting nontarget links was varied. Increased link size improved performance, whereas increased clutter and links hampered search, especially for older adults. Results also showed that links located in the left region of the page were found most easily. Actual or potential applications of this research include Web site design to increase usability, particularly for older adults.

journal_name

Hum Factors

journal_title

Human factors

authors

Grahame M,Laberge J,Scialfa CT

doi

10.1518/hfes.46.3.385.50404

keywords:

subject

Has Abstract

pub_date

2004-10-01 00:00:00

pages

385-98

issue

3

eissn

0018-7208

issn

1547-8181

journal_volume

46

pub_type

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