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Change Blindness When Viewing Web Pages

Issue title: IEA 2012: 18th World congress on Ergonomics - Designing a sustainable future

Article type: Research Article

Authors: Steffner, Daniel | Schenkman, Bo

Affiliations: Stockholm University, Stockholm, Sweden | Blekinge Institute of Technology, Karlskrona, Sweden and Speech, Hearing and Music, Royal Institute of Technology (KTH), Stockholm, Sweden

Note: [] Corresponding author. E-mail: bo.schenkman@bth.se

Keywords: Change blindness, attention, perception, web pages, reaction time

DOI: 10.3233/WOR-2012-1067-6098

Journal: Work, vol. 41, no. Supplement 1, pp. 6098-6102, 2012

Published: 2012
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Abstract

Change blindness on web pages was studied for 20 participants. The purpose was to find how change blindness appears for web pages, and which changes are easier to detect. The task was to detect if a change had occurred and to show this by the means of the cursor. Rensink's flicker paradigm was used, where four categories of changes were presented. It was easier to detect a change not consisting of a person than one with a person. It was easier to detect a change to the left than to the right. The complexity of the web pages did not appear to have an effect, while large changes were easier to detect than small. The results may indicate that focused attention is differently sensitive for different kinds of changes. They also show that change blindness is a general phenomenon that can be applied to the perception of web pages.

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