Task-specificity and resource allocation in information perception in three-dimensional space

Authors:
Antje Lichtenstein
Affiliations:
Center of Human-Machine Systems, Berlin, Germany
Venue:
Proceedings of the 23rd British HCI Group Annual Conference on People and Computers: Celebrating People and Technology
Year:
2009

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Abstract

Modern technologies are more and more capable of presenting information in three-dimensional space instead of being limited to a standard two-dimensional desktop workstation. Thus, it becomes necessary to examine whether display location does have an effect on human information perception and processing. This paper presents two studies concerned with this subject. The first study examined whether optimal display location depends on the task, which is being executed. We found evidence for differences in tasks with different cognitive engagement levels. The second study aimed at a) examining task characteristics in more detail and b) answering the basic question whether it is generally beneficial to present concurrent information in dual-task situations in two instead of one perceptual depth plane in order to optimize resource utilization. Results support the notion of a two-plane benefit.