Evaluation of User Performance in Interactive and Static 3D Maps

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Type Article in Periodical
Magazine / Source ISPRS International Journal of Geo-Information
MU Faculty or unit

Faculty of Science

WWW Full Text
Doi http://dx.doi.org/10.3390/ijgi7110415
Keywords 3D geovisualizations; 3D map; 3DmoveR; level of interactivity; map tasks; map users; OSIVQ; user’s performance; user study
Description Interactive 3D visualizations of geospatial data are currently available and popular through various applications such as Google EarthTM and others. Several studies have focused on user performance with 3D maps, but static 3D maps were mostly used as stimuli. The main objective of this paper was to identify differences between interactive and static 3D maps. We also explored the role of different tasks and inter-individual differences of map users. In the experimental study, we analyzed effectiveness, efficiency, and subjective preferences, when working with static and interactive 3D maps. The study included 76 participants and used a within-subjects design. Experimental testing was performed using our own testing tool 3DmoveR 2.0, which was based on a user logging method and open web technologies. We demonstrated statistically significant differences between interactive and static 3D maps in effectiveness, efficiency, and subjective preferences. Interactivity influenced the results mainly in ‘spatial understanding’ and ‘combined’ tasks. From the identified differences, we concluded that the results of the user studies with static 3D maps as stimuli could not be transferred to interactive 3D visualizations or virtual reality.
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